Standard-JSON-Input of StreamRegistryV5

6e5117e7810cf9123b9fe6ad3edf861c.json

{"id":"6e5117e7810cf9123b9fe6ad3edf861c","_format":"hh-sol-build-info-1","solcVersion":"0.8.9","solcLongVersion":"0.8.9+commit.e5eed63a","input":{"language":"Solidity","sources":{"@chainlink/contracts/src/v0.8/Chainlink.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport {CBORChainlink} from \"./vendor/CBORChainlink.sol\";\nimport {BufferChainlink} from \"./vendor/BufferChainlink.sol\";\n\n/**\n * @title Library for common Chainlink functions\n * @dev Uses imported CBOR library for encoding to buffer\n */\nlibrary Chainlink {\n  uint256 internal constant defaultBufferSize = 256; // solhint-disable-line const-name-snakecase\n\n  using CBORChainlink for BufferChainlink.buffer;\n\n  struct Request {\n    bytes32 id;\n    address callbackAddress;\n    bytes4 callbackFunctionId;\n    uint256 nonce;\n    BufferChainlink.buffer buf;\n  }\n\n  /**\n   * @notice Initializes a Chainlink request\n   * @dev Sets the ID, callback address, and callback function signature on the request\n   * @param self The uninitialized request\n   * @param jobId The Job Specification ID\n   * @param callbackAddr The callback address\n   * @param callbackFunc The callback function signature\n   * @return The initialized request\n   */\n  function initialize(\n    Request memory self,\n    bytes32 jobId,\n    address callbackAddr,\n    bytes4 callbackFunc\n  ) internal pure returns (Chainlink.Request memory) {\n    BufferChainlink.init(self.buf, defaultBufferSize);\n    self.id = jobId;\n    self.callbackAddress = callbackAddr;\n    self.callbackFunctionId = callbackFunc;\n    return self;\n  }\n\n  /**\n   * @notice Sets the data for the buffer without encoding CBOR on-chain\n   * @dev CBOR can be closed with curly-brackets {} or they can be left off\n   * @param self The initialized request\n   * @param data The CBOR data\n   */\n  function setBuffer(Request memory self, bytes memory data) internal pure {\n    BufferChainlink.init(self.buf, data.length);\n    BufferChainlink.append(self.buf, data);\n  }\n\n  /**\n   * @notice Adds a string value to the request with a given key name\n   * @param self The initialized request\n   * @param key The name of the key\n   * @param value The string value to add\n   */\n  function add(\n    Request memory self,\n    string memory key,\n    string memory value\n  ) internal pure {\n    self.buf.encodeString(key);\n    self.buf.encodeString(value);\n  }\n\n  /**\n   * @notice Adds a bytes value to the request with a given key name\n   * @param self The initialized request\n   * @param key The name of the key\n   * @param value The bytes value to add\n   */\n  function addBytes(\n    Request memory self,\n    string memory key,\n    bytes memory value\n  ) internal pure {\n    self.buf.encodeString(key);\n    self.buf.encodeBytes(value);\n  }\n\n  /**\n   * @notice Adds a int256 value to the request with a given key name\n   * @param self The initialized request\n   * @param key The name of the key\n   * @param value The int256 value to add\n   */\n  function addInt(\n    Request memory self,\n    string memory key,\n    int256 value\n  ) internal pure {\n    self.buf.encodeString(key);\n    self.buf.encodeInt(value);\n  }\n\n  /**\n   * @notice Adds a uint256 value to the request with a given key name\n   * @param self The initialized request\n   * @param key The name of the key\n   * @param value The uint256 value to add\n   */\n  function addUint(\n    Request memory self,\n    string memory key,\n    uint256 value\n  ) internal pure {\n    self.buf.encodeString(key);\n    self.buf.encodeUInt(value);\n  }\n\n  /**\n   * @notice Adds an array of strings to the request with a given key name\n   * @param self The initialized request\n   * @param key The name of the key\n   * @param values The array of string values to add\n   */\n  function addStringArray(\n    Request memory self,\n    string memory key,\n    string[] memory values\n  ) internal pure {\n    self.buf.encodeString(key);\n    self.buf.startArray();\n    for (uint256 i = 0; i < values.length; i++) {\n      self.buf.encodeString(values[i]);\n    }\n    self.buf.endSequence();\n  }\n}\n"},"@chainlink/contracts/src/v0.8/ChainlinkClient.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport \"./Chainlink.sol\";\nimport \"./interfaces/ENSInterface.sol\";\nimport \"./interfaces/LinkTokenInterface.sol\";\nimport \"./interfaces/ChainlinkRequestInterface.sol\";\nimport \"./interfaces/OperatorInterface.sol\";\nimport \"./interfaces/PointerInterface.sol\";\nimport {ENSResolver as ENSResolver_Chainlink} from \"./vendor/ENSResolver.sol\";\n\n/**\n * @title The ChainlinkClient contract\n * @notice Contract writers can inherit this contract in order to create requests for the\n * Chainlink network\n */\nabstract contract ChainlinkClient {\n  using Chainlink for Chainlink.Request;\n\n  uint256 internal constant LINK_DIVISIBILITY = 10**18;\n  uint256 private constant AMOUNT_OVERRIDE = 0;\n  address private constant SENDER_OVERRIDE = address(0);\n  uint256 private constant ORACLE_ARGS_VERSION = 1;\n  uint256 private constant OPERATOR_ARGS_VERSION = 2;\n  bytes32 private constant ENS_TOKEN_SUBNAME = keccak256(\"link\");\n  bytes32 private constant ENS_ORACLE_SUBNAME = keccak256(\"oracle\");\n  address private constant LINK_TOKEN_POINTER = 0xC89bD4E1632D3A43CB03AAAd5262cbe4038Bc571;\n\n  ENSInterface private s_ens;\n  bytes32 private s_ensNode;\n  LinkTokenInterface private s_link;\n  OperatorInterface private s_oracle;\n  uint256 private s_requestCount = 1;\n  mapping(bytes32 => address) private s_pendingRequests;\n\n  event ChainlinkRequested(bytes32 indexed id);\n  event ChainlinkFulfilled(bytes32 indexed id);\n  event ChainlinkCancelled(bytes32 indexed id);\n\n  /**\n   * @notice Creates a request that can hold additional parameters\n   * @param specId The Job Specification ID that the request will be created for\n   * @param callbackAddr address to operate the callback on\n   * @param callbackFunctionSignature function signature to use for the callback\n   * @return A Chainlink Request struct in memory\n   */\n  function buildChainlinkRequest(\n    bytes32 specId,\n    address callbackAddr,\n    bytes4 callbackFunctionSignature\n  ) internal pure returns (Chainlink.Request memory) {\n    Chainlink.Request memory req;\n    return req.initialize(specId, callbackAddr, callbackFunctionSignature);\n  }\n\n  /**\n   * @notice Creates a request that can hold additional parameters\n   * @param specId The Job Specification ID that the request will be created for\n   * @param callbackFunctionSignature function signature to use for the callback\n   * @return A Chainlink Request struct in memory\n   */\n  function buildOperatorRequest(bytes32 specId, bytes4 callbackFunctionSignature)\n    internal\n    view\n    returns (Chainlink.Request memory)\n  {\n    Chainlink.Request memory req;\n    return req.initialize(specId, address(this), callbackFunctionSignature);\n  }\n\n  /**\n   * @notice Creates a Chainlink request to the stored oracle address\n   * @dev Calls `chainlinkRequestTo` with the stored oracle address\n   * @param req The initialized Chainlink Request\n   * @param payment The amount of LINK to send for the request\n   * @return requestId The request ID\n   */\n  function sendChainlinkRequest(Chainlink.Request memory req, uint256 payment) internal returns (bytes32) {\n    return sendChainlinkRequestTo(address(s_oracle), req, payment);\n  }\n\n  /**\n   * @notice Creates a Chainlink request to the specified oracle address\n   * @dev Generates and stores a request ID, increments the local nonce, and uses `transferAndCall` to\n   * send LINK which creates a request on the target oracle contract.\n   * Emits ChainlinkRequested event.\n   * @param oracleAddress The address of the oracle for the request\n   * @param req The initialized Chainlink Request\n   * @param payment The amount of LINK to send for the request\n   * @return requestId The request ID\n   */\n  function sendChainlinkRequestTo(\n    address oracleAddress,\n    Chainlink.Request memory req,\n    uint256 payment\n  ) internal returns (bytes32 requestId) {\n    uint256 nonce = s_requestCount;\n    s_requestCount = nonce + 1;\n    bytes memory encodedRequest = abi.encodeWithSelector(\n      ChainlinkRequestInterface.oracleRequest.selector,\n      SENDER_OVERRIDE, // Sender value - overridden by onTokenTransfer by the requesting contract's address\n      AMOUNT_OVERRIDE, // Amount value - overridden by onTokenTransfer by the actual amount of LINK sent\n      req.id,\n      address(this),\n      req.callbackFunctionId,\n      nonce,\n      ORACLE_ARGS_VERSION,\n      req.buf.buf\n    );\n    return _rawRequest(oracleAddress, nonce, payment, encodedRequest);\n  }\n\n  /**\n   * @notice Creates a Chainlink request to the stored oracle address\n   * @dev This function supports multi-word response\n   * @dev Calls `sendOperatorRequestTo` with the stored oracle address\n   * @param req The initialized Chainlink Request\n   * @param payment The amount of LINK to send for the request\n   * @return requestId The request ID\n   */\n  function sendOperatorRequest(Chainlink.Request memory req, uint256 payment) internal returns (bytes32) {\n    return sendOperatorRequestTo(address(s_oracle), req, payment);\n  }\n\n  /**\n   * @notice Creates a Chainlink request to the specified oracle address\n   * @dev This function supports multi-word response\n   * @dev Generates and stores a request ID, increments the local nonce, and uses `transferAndCall` to\n   * send LINK which creates a request on the target oracle contract.\n   * Emits ChainlinkRequested event.\n   * @param oracleAddress The address of the oracle for the request\n   * @param req The initialized Chainlink Request\n   * @param payment The amount of LINK to send for the request\n   * @return requestId The request ID\n   */\n  function sendOperatorRequestTo(\n    address oracleAddress,\n    Chainlink.Request memory req,\n    uint256 payment\n  ) internal returns (bytes32 requestId) {\n    uint256 nonce = s_requestCount;\n    s_requestCount = nonce + 1;\n    bytes memory encodedRequest = abi.encodeWithSelector(\n      OperatorInterface.operatorRequest.selector,\n      SENDER_OVERRIDE, // Sender value - overridden by onTokenTransfer by the requesting contract's address\n      AMOUNT_OVERRIDE, // Amount value - overridden by onTokenTransfer by the actual amount of LINK sent\n      req.id,\n      req.callbackFunctionId,\n      nonce,\n      OPERATOR_ARGS_VERSION,\n      req.buf.buf\n    );\n    return _rawRequest(oracleAddress, nonce, payment, encodedRequest);\n  }\n\n  /**\n   * @notice Make a request to an oracle\n   * @param oracleAddress The address of the oracle for the request\n   * @param nonce used to generate the request ID\n   * @param payment The amount of LINK to send for the request\n   * @param encodedRequest data encoded for request type specific format\n   * @return requestId The request ID\n   */\n  function _rawRequest(\n    address oracleAddress,\n    uint256 nonce,\n    uint256 payment,\n    bytes memory encodedRequest\n  ) private returns (bytes32 requestId) {\n    requestId = keccak256(abi.encodePacked(this, nonce));\n    s_pendingRequests[requestId] = oracleAddress;\n    emit ChainlinkRequested(requestId);\n    require(s_link.transferAndCall(oracleAddress, payment, encodedRequest), \"unable to transferAndCall to oracle\");\n  }\n\n  /**\n   * @notice Allows a request to be cancelled if it has not been fulfilled\n   * @dev Requires keeping track of the expiration value emitted from the oracle contract.\n   * Deletes the request from the `pendingRequests` mapping.\n   * Emits ChainlinkCancelled event.\n   * @param requestId The request ID\n   * @param payment The amount of LINK sent for the request\n   * @param callbackFunc The callback function specified for the request\n   * @param expiration The time of the expiration for the request\n   */\n  function cancelChainlinkRequest(\n    bytes32 requestId,\n    uint256 payment,\n    bytes4 callbackFunc,\n    uint256 expiration\n  ) internal {\n    OperatorInterface requested = OperatorInterface(s_pendingRequests[requestId]);\n    delete s_pendingRequests[requestId];\n    emit ChainlinkCancelled(requestId);\n    requested.cancelOracleRequest(requestId, payment, callbackFunc, expiration);\n  }\n\n  /**\n   * @notice the next request count to be used in generating a nonce\n   * @dev starts at 1 in order to ensure consistent gas cost\n   * @return returns the next request count to be used in a nonce\n   */\n  function getNextRequestCount() internal view returns (uint256) {\n    return s_requestCount;\n  }\n\n  /**\n   * @notice Sets the stored oracle address\n   * @param oracleAddress The address of the oracle contract\n   */\n  function setChainlinkOracle(address oracleAddress) internal {\n    s_oracle = OperatorInterface(oracleAddress);\n  }\n\n  /**\n   * @notice Sets the LINK token address\n   * @param linkAddress The address of the LINK token contract\n   */\n  function setChainlinkToken(address linkAddress) internal {\n    s_link = LinkTokenInterface(linkAddress);\n  }\n\n  /**\n   * @notice Sets the Chainlink token address for the public\n   * network as given by the Pointer contract\n   */\n  function setPublicChainlinkToken() internal {\n    setChainlinkToken(PointerInterface(LINK_TOKEN_POINTER).getAddress());\n  }\n\n  /**\n   * @notice Retrieves the stored address of the LINK token\n   * @return The address of the LINK token\n   */\n  function chainlinkTokenAddress() internal view returns (address) {\n    return address(s_link);\n  }\n\n  /**\n   * @notice Retrieves the stored address of the oracle contract\n   * @return The address of the oracle contract\n   */\n  function chainlinkOracleAddress() internal view returns (address) {\n    return address(s_oracle);\n  }\n\n  /**\n   * @notice Allows for a request which was created on another contract to be fulfilled\n   * on this contract\n   * @param oracleAddress The address of the oracle contract that will fulfill the request\n   * @param requestId The request ID used for the response\n   */\n  function addChainlinkExternalRequest(address oracleAddress, bytes32 requestId) internal notPendingRequest(requestId) {\n    s_pendingRequests[requestId] = oracleAddress;\n  }\n\n  /**\n   * @notice Sets the stored oracle and LINK token contracts with the addresses resolved by ENS\n   * @dev Accounts for subnodes having different resolvers\n   * @param ensAddress The address of the ENS contract\n   * @param node The ENS node hash\n   */\n  function useChainlinkWithENS(address ensAddress, bytes32 node) internal {\n    s_ens = ENSInterface(ensAddress);\n    s_ensNode = node;\n    bytes32 linkSubnode = keccak256(abi.encodePacked(s_ensNode, ENS_TOKEN_SUBNAME));\n    ENSResolver_Chainlink resolver = ENSResolver_Chainlink(s_ens.resolver(linkSubnode));\n    setChainlinkToken(resolver.addr(linkSubnode));\n    updateChainlinkOracleWithENS();\n  }\n\n  /**\n   * @notice Sets the stored oracle contract with the address resolved by ENS\n   * @dev This may be called on its own as long as `useChainlinkWithENS` has been called previously\n   */\n  function updateChainlinkOracleWithENS() internal {\n    bytes32 oracleSubnode = keccak256(abi.encodePacked(s_ensNode, ENS_ORACLE_SUBNAME));\n    ENSResolver_Chainlink resolver = ENSResolver_Chainlink(s_ens.resolver(oracleSubnode));\n    setChainlinkOracle(resolver.addr(oracleSubnode));\n  }\n\n  /**\n   * @notice Ensures that the fulfillment is valid for this contract\n   * @dev Use if the contract developer prefers methods instead of modifiers for validation\n   * @param requestId The request ID for fulfillment\n   */\n  function validateChainlinkCallback(bytes32 requestId)\n    internal\n    recordChainlinkFulfillment(requestId)\n  // solhint-disable-next-line no-empty-blocks\n  {\n\n  }\n\n  /**\n   * @dev Reverts if the sender is not the oracle of the request.\n   * Emits ChainlinkFulfilled event.\n   * @param requestId The request ID for fulfillment\n   */\n  modifier recordChainlinkFulfillment(bytes32 requestId) {\n    require(msg.sender == s_pendingRequests[requestId], \"Source must be the oracle of the request\");\n    delete s_pendingRequests[requestId];\n    emit ChainlinkFulfilled(requestId);\n    _;\n  }\n\n  /**\n   * @dev Reverts if the request is already pending\n   * @param requestId The request ID for fulfillment\n   */\n  modifier notPendingRequest(bytes32 requestId) {\n    require(s_pendingRequests[requestId] == address(0), \"Request is already pending\");\n    _;\n  }\n}\n"},"@chainlink/contracts/src/v0.8/interfaces/ChainlinkRequestInterface.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface ChainlinkRequestInterface {\n  function oracleRequest(\n    address sender,\n    uint256 requestPrice,\n    bytes32 serviceAgreementID,\n    address callbackAddress,\n    bytes4 callbackFunctionId,\n    uint256 nonce,\n    uint256 dataVersion,\n    bytes calldata data\n  ) external;\n\n  function cancelOracleRequest(\n    bytes32 requestId,\n    uint256 payment,\n    bytes4 callbackFunctionId,\n    uint256 expiration\n  ) external;\n}\n"},"@chainlink/contracts/src/v0.8/interfaces/ENSInterface.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface ENSInterface {\n  // Logged when the owner of a node assigns a new owner to a subnode.\n  event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner);\n\n  // Logged when the owner of a node transfers ownership to a new account.\n  event Transfer(bytes32 indexed node, address owner);\n\n  // Logged when the resolver for a node changes.\n  event NewResolver(bytes32 indexed node, address resolver);\n\n  // Logged when the TTL of a node changes\n  event NewTTL(bytes32 indexed node, uint64 ttl);\n\n  function setSubnodeOwner(\n    bytes32 node,\n    bytes32 label,\n    address owner\n  ) external;\n\n  function setResolver(bytes32 node, address resolver) external;\n\n  function setOwner(bytes32 node, address owner) external;\n\n  function setTTL(bytes32 node, uint64 ttl) external;\n\n  function owner(bytes32 node) external view returns (address);\n\n  function resolver(bytes32 node) external view returns (address);\n\n  function ttl(bytes32 node) external view returns (uint64);\n}\n"},"@chainlink/contracts/src/v0.8/interfaces/LinkTokenInterface.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface LinkTokenInterface {\n  function allowance(address owner, address spender) external view returns (uint256 remaining);\n\n  function approve(address spender, uint256 value) external returns (bool success);\n\n  function balanceOf(address owner) external view returns (uint256 balance);\n\n  function decimals() external view returns (uint8 decimalPlaces);\n\n  function decreaseApproval(address spender, uint256 addedValue) external returns (bool success);\n\n  function increaseApproval(address spender, uint256 subtractedValue) external;\n\n  function name() external view returns (string memory tokenName);\n\n  function symbol() external view returns (string memory tokenSymbol);\n\n  function totalSupply() external view returns (uint256 totalTokensIssued);\n\n  function transfer(address to, uint256 value) external returns (bool success);\n\n  function transferAndCall(\n    address to,\n    uint256 value,\n    bytes calldata data\n  ) external returns (bool success);\n\n  function transferFrom(\n    address from,\n    address to,\n    uint256 value\n  ) external returns (bool success);\n}\n"},"@chainlink/contracts/src/v0.8/interfaces/OperatorInterface.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nimport \"./OracleInterface.sol\";\nimport \"./ChainlinkRequestInterface.sol\";\n\ninterface OperatorInterface is OracleInterface, ChainlinkRequestInterface {\n  function operatorRequest(\n    address sender,\n    uint256 payment,\n    bytes32 specId,\n    bytes4 callbackFunctionId,\n    uint256 nonce,\n    uint256 dataVersion,\n    bytes calldata data\n  ) external;\n\n  function fulfillOracleRequest2(\n    bytes32 requestId,\n    uint256 payment,\n    address callbackAddress,\n    bytes4 callbackFunctionId,\n    uint256 expiration,\n    bytes calldata data\n  ) external returns (bool);\n\n  function ownerTransferAndCall(\n    address to,\n    uint256 value,\n    bytes calldata data\n  ) external returns (bool success);\n\n  function distributeFunds(address payable[] calldata receivers, uint256[] calldata amounts) external payable;\n\n  function getAuthorizedSenders() external returns (address[] memory);\n\n  function setAuthorizedSenders(address[] calldata senders) external;\n\n  function getForwarder() external returns (address);\n}\n"},"@chainlink/contracts/src/v0.8/interfaces/OracleInterface.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface OracleInterface {\n  function fulfillOracleRequest(\n    bytes32 requestId,\n    uint256 payment,\n    address callbackAddress,\n    bytes4 callbackFunctionId,\n    uint256 expiration,\n    bytes32 data\n  ) external returns (bool);\n\n  function isAuthorizedSender(address node) external view returns (bool);\n\n  function withdraw(address recipient, uint256 amount) external;\n\n  function withdrawable() external view returns (uint256);\n}\n"},"@chainlink/contracts/src/v0.8/interfaces/PointerInterface.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface PointerInterface {\n  function getAddress() external view returns (address);\n}\n"},"@chainlink/contracts/src/v0.8/vendor/BufferChainlink.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\n/**\n * @dev A library for working with mutable byte buffers in Solidity.\n *\n * Byte buffers are mutable and expandable, and provide a variety of primitives\n * for writing to them. At any time you can fetch a bytes object containing the\n * current contents of the buffer. The bytes object should not be stored between\n * operations, as it may change due to resizing of the buffer.\n */\nlibrary BufferChainlink {\n  /**\n   * @dev Represents a mutable buffer. Buffers have a current value (buf) and\n   *      a capacity. The capacity may be longer than the current value, in\n   *      which case it can be extended without the need to allocate more memory.\n   */\n  struct buffer {\n    bytes buf;\n    uint256 capacity;\n  }\n\n  /**\n   * @dev Initializes a buffer with an initial capacity.\n   * @param buf The buffer to initialize.\n   * @param capacity The number of bytes of space to allocate the buffer.\n   * @return The buffer, for chaining.\n   */\n  function init(buffer memory buf, uint256 capacity) internal pure returns (buffer memory) {\n    if (capacity % 32 != 0) {\n      capacity += 32 - (capacity % 32);\n    }\n    // Allocate space for the buffer data\n    buf.capacity = capacity;\n    assembly {\n      let ptr := mload(0x40)\n      mstore(buf, ptr)\n      mstore(ptr, 0)\n      mstore(0x40, add(32, add(ptr, capacity)))\n    }\n    return buf;\n  }\n\n  /**\n   * @dev Initializes a new buffer from an existing bytes object.\n   *      Changes to the buffer may mutate the original value.\n   * @param b The bytes object to initialize the buffer with.\n   * @return A new buffer.\n   */\n  function fromBytes(bytes memory b) internal pure returns (buffer memory) {\n    buffer memory buf;\n    buf.buf = b;\n    buf.capacity = b.length;\n    return buf;\n  }\n\n  function resize(buffer memory buf, uint256 capacity) private pure {\n    bytes memory oldbuf = buf.buf;\n    init(buf, capacity);\n    append(buf, oldbuf);\n  }\n\n  function max(uint256 a, uint256 b) private pure returns (uint256) {\n    if (a > b) {\n      return a;\n    }\n    return b;\n  }\n\n  /**\n   * @dev Sets buffer length to 0.\n   * @param buf The buffer to truncate.\n   * @return The original buffer, for chaining..\n   */\n  function truncate(buffer memory buf) internal pure returns (buffer memory) {\n    assembly {\n      let bufptr := mload(buf)\n      mstore(bufptr, 0)\n    }\n    return buf;\n  }\n\n  /**\n   * @dev Writes a byte string to a buffer. Resizes if doing so would exceed\n   *      the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param off The start offset to write to.\n   * @param data The data to append.\n   * @param len The number of bytes to copy.\n   * @return The original buffer, for chaining.\n   */\n  function write(\n    buffer memory buf,\n    uint256 off,\n    bytes memory data,\n    uint256 len\n  ) internal pure returns (buffer memory) {\n    require(len <= data.length);\n\n    if (off + len > buf.capacity) {\n      resize(buf, max(buf.capacity, len + off) * 2);\n    }\n\n    uint256 dest;\n    uint256 src;\n    assembly {\n      // Memory address of the buffer data\n      let bufptr := mload(buf)\n      // Length of existing buffer data\n      let buflen := mload(bufptr)\n      // Start address = buffer address + offset + sizeof(buffer length)\n      dest := add(add(bufptr, 32), off)\n      // Update buffer length if we're extending it\n      if gt(add(len, off), buflen) {\n        mstore(bufptr, add(len, off))\n      }\n      src := add(data, 32)\n    }\n\n    // Copy word-length chunks while possible\n    for (; len >= 32; len -= 32) {\n      assembly {\n        mstore(dest, mload(src))\n      }\n      dest += 32;\n      src += 32;\n    }\n\n    // Copy remaining bytes\n    unchecked {\n      uint256 mask = (256**(32 - len)) - 1;\n      assembly {\n        let srcpart := and(mload(src), not(mask))\n        let destpart := and(mload(dest), mask)\n        mstore(dest, or(destpart, srcpart))\n      }\n    }\n\n    return buf;\n  }\n\n  /**\n   * @dev Appends a byte string to a buffer. Resizes if doing so would exceed\n   *      the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param data The data to append.\n   * @param len The number of bytes to copy.\n   * @return The original buffer, for chaining.\n   */\n  function append(\n    buffer memory buf,\n    bytes memory data,\n    uint256 len\n  ) internal pure returns (buffer memory) {\n    return write(buf, buf.buf.length, data, len);\n  }\n\n  /**\n   * @dev Appends a byte string to a buffer. Resizes if doing so would exceed\n   *      the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param data The data to append.\n   * @return The original buffer, for chaining.\n   */\n  function append(buffer memory buf, bytes memory data) internal pure returns (buffer memory) {\n    return write(buf, buf.buf.length, data, data.length);\n  }\n\n  /**\n   * @dev Writes a byte to the buffer. Resizes if doing so would exceed the\n   *      capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param off The offset to write the byte at.\n   * @param data The data to append.\n   * @return The original buffer, for chaining.\n   */\n  function writeUint8(\n    buffer memory buf,\n    uint256 off,\n    uint8 data\n  ) internal pure returns (buffer memory) {\n    if (off >= buf.capacity) {\n      resize(buf, buf.capacity * 2);\n    }\n\n    assembly {\n      // Memory address of the buffer data\n      let bufptr := mload(buf)\n      // Length of existing buffer data\n      let buflen := mload(bufptr)\n      // Address = buffer address + sizeof(buffer length) + off\n      let dest := add(add(bufptr, off), 32)\n      mstore8(dest, data)\n      // Update buffer length if we extended it\n      if eq(off, buflen) {\n        mstore(bufptr, add(buflen, 1))\n      }\n    }\n    return buf;\n  }\n\n  /**\n   * @dev Appends a byte to the buffer. Resizes if doing so would exceed the\n   *      capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param data The data to append.\n   * @return The original buffer, for chaining.\n   */\n  function appendUint8(buffer memory buf, uint8 data) internal pure returns (buffer memory) {\n    return writeUint8(buf, buf.buf.length, data);\n  }\n\n  /**\n   * @dev Writes up to 32 bytes to the buffer. Resizes if doing so would\n   *      exceed the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param off The offset to write at.\n   * @param data The data to append.\n   * @param len The number of bytes to write (left-aligned).\n   * @return The original buffer, for chaining.\n   */\n  function write(\n    buffer memory buf,\n    uint256 off,\n    bytes32 data,\n    uint256 len\n  ) private pure returns (buffer memory) {\n    if (len + off > buf.capacity) {\n      resize(buf, (len + off) * 2);\n    }\n\n    unchecked {\n      uint256 mask = (256**len) - 1;\n      // Right-align data\n      data = data >> (8 * (32 - len));\n      assembly {\n        // Memory address of the buffer data\n        let bufptr := mload(buf)\n        // Address = buffer address + sizeof(buffer length) + off + len\n        let dest := add(add(bufptr, off), len)\n        mstore(dest, or(and(mload(dest), not(mask)), data))\n        // Update buffer length if we extended it\n        if gt(add(off, len), mload(bufptr)) {\n          mstore(bufptr, add(off, len))\n        }\n      }\n    }\n    return buf;\n  }\n\n  /**\n   * @dev Writes a bytes20 to the buffer. Resizes if doing so would exceed the\n   *      capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param off The offset to write at.\n   * @param data The data to append.\n   * @return The original buffer, for chaining.\n   */\n  function writeBytes20(\n    buffer memory buf,\n    uint256 off,\n    bytes20 data\n  ) internal pure returns (buffer memory) {\n    return write(buf, off, bytes32(data), 20);\n  }\n\n  /**\n   * @dev Appends a bytes20 to the buffer. Resizes if doing so would exceed\n   *      the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param data The data to append.\n   * @return The original buffer, for chhaining.\n   */\n  function appendBytes20(buffer memory buf, bytes20 data) internal pure returns (buffer memory) {\n    return write(buf, buf.buf.length, bytes32(data), 20);\n  }\n\n  /**\n   * @dev Appends a bytes32 to the buffer. Resizes if doing so would exceed\n   *      the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param data The data to append.\n   * @return The original buffer, for chaining.\n   */\n  function appendBytes32(buffer memory buf, bytes32 data) internal pure returns (buffer memory) {\n    return write(buf, buf.buf.length, data, 32);\n  }\n\n  /**\n   * @dev Writes an integer to the buffer. Resizes if doing so would exceed\n   *      the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param off The offset to write at.\n   * @param data The data to append.\n   * @param len The number of bytes to write (right-aligned).\n   * @return The original buffer, for chaining.\n   */\n  function writeInt(\n    buffer memory buf,\n    uint256 off,\n    uint256 data,\n    uint256 len\n  ) private pure returns (buffer memory) {\n    if (len + off > buf.capacity) {\n      resize(buf, (len + off) * 2);\n    }\n\n    uint256 mask = (256**len) - 1;\n    assembly {\n      // Memory address of the buffer data\n      let bufptr := mload(buf)\n      // Address = buffer address + off + sizeof(buffer length) + len\n      let dest := add(add(bufptr, off), len)\n      mstore(dest, or(and(mload(dest), not(mask)), data))\n      // Update buffer length if we extended it\n      if gt(add(off, len), mload(bufptr)) {\n        mstore(bufptr, add(off, len))\n      }\n    }\n    return buf;\n  }\n\n  /**\n   * @dev Appends a byte to the end of the buffer. Resizes if doing so would\n   * exceed the capacity of the buffer.\n   * @param buf The buffer to append to.\n   * @param data The data to append.\n   * @return The original buffer.\n   */\n  function appendInt(\n    buffer memory buf,\n    uint256 data,\n    uint256 len\n  ) internal pure returns (buffer memory) {\n    return writeInt(buf, buf.buf.length, data, len);\n  }\n}\n"},"@chainlink/contracts/src/v0.8/vendor/CBORChainlink.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity >=0.4.19;\n\nimport {BufferChainlink} from \"./BufferChainlink.sol\";\n\nlibrary CBORChainlink {\n  using BufferChainlink for BufferChainlink.buffer;\n\n  uint8 private constant MAJOR_TYPE_INT = 0;\n  uint8 private constant MAJOR_TYPE_NEGATIVE_INT = 1;\n  uint8 private constant MAJOR_TYPE_BYTES = 2;\n  uint8 private constant MAJOR_TYPE_STRING = 3;\n  uint8 private constant MAJOR_TYPE_ARRAY = 4;\n  uint8 private constant MAJOR_TYPE_MAP = 5;\n  uint8 private constant MAJOR_TYPE_TAG = 6;\n  uint8 private constant MAJOR_TYPE_CONTENT_FREE = 7;\n\n  uint8 private constant TAG_TYPE_BIGNUM = 2;\n  uint8 private constant TAG_TYPE_NEGATIVE_BIGNUM = 3;\n\n  function encodeFixedNumeric(BufferChainlink.buffer memory buf, uint8 major, uint64 value) private pure {\n    if(value <= 23) {\n      buf.appendUint8(uint8((major << 5) | value));\n    } else if (value <= 0xFF) {\n      buf.appendUint8(uint8((major << 5) | 24));\n      buf.appendInt(value, 1);\n    } else if (value <= 0xFFFF) {\n      buf.appendUint8(uint8((major << 5) | 25));\n      buf.appendInt(value, 2);\n    } else if (value <= 0xFFFFFFFF) {\n      buf.appendUint8(uint8((major << 5) | 26));\n      buf.appendInt(value, 4);\n    } else {\n      buf.appendUint8(uint8((major << 5) | 27));\n      buf.appendInt(value, 8);\n    }\n  }\n\n  function encodeIndefiniteLengthType(BufferChainlink.buffer memory buf, uint8 major) private pure {\n    buf.appendUint8(uint8((major << 5) | 31));\n  }\n\n  function encodeUInt(BufferChainlink.buffer memory buf, uint value) internal pure {\n    if(value > 0xFFFFFFFFFFFFFFFF) {\n      encodeBigNum(buf, value);\n    } else {\n      encodeFixedNumeric(buf, MAJOR_TYPE_INT, uint64(value));\n    }\n  }\n\n  function encodeInt(BufferChainlink.buffer memory buf, int value) internal pure {\n    if(value < -0x10000000000000000) {\n      encodeSignedBigNum(buf, value);\n    } else if(value > 0xFFFFFFFFFFFFFFFF) {\n      encodeBigNum(buf, uint(value));\n    } else if(value >= 0) {\n      encodeFixedNumeric(buf, MAJOR_TYPE_INT, uint64(uint256(value)));\n    } else {\n      encodeFixedNumeric(buf, MAJOR_TYPE_NEGATIVE_INT, uint64(uint256(-1 - value)));\n    }\n  }\n\n  function encodeBytes(BufferChainlink.buffer memory buf, bytes memory value) internal pure {\n    encodeFixedNumeric(buf, MAJOR_TYPE_BYTES, uint64(value.length));\n    buf.append(value);\n  }\n\n  function encodeBigNum(BufferChainlink.buffer memory buf, uint value) internal pure {\n    buf.appendUint8(uint8((MAJOR_TYPE_TAG << 5) | TAG_TYPE_BIGNUM));\n    encodeBytes(buf, abi.encode(value));\n  }\n\n  function encodeSignedBigNum(BufferChainlink.buffer memory buf, int input) internal pure {\n    buf.appendUint8(uint8((MAJOR_TYPE_TAG << 5) | TAG_TYPE_NEGATIVE_BIGNUM));\n    encodeBytes(buf, abi.encode(uint256(-1 - input)));\n  }\n\n  function encodeString(BufferChainlink.buffer memory buf, string memory value) internal pure {\n    encodeFixedNumeric(buf, MAJOR_TYPE_STRING, uint64(bytes(value).length));\n    buf.append(bytes(value));\n  }\n\n  function startArray(BufferChainlink.buffer memory buf) internal pure {\n    encodeIndefiniteLengthType(buf, MAJOR_TYPE_ARRAY);\n  }\n\n  function startMap(BufferChainlink.buffer memory buf) internal pure {\n    encodeIndefiniteLengthType(buf, MAJOR_TYPE_MAP);\n  }\n\n  function endSequence(BufferChainlink.buffer memory buf) internal pure {\n    encodeIndefiniteLengthType(buf, MAJOR_TYPE_CONTENT_FREE);\n  }\n}\n"},"@chainlink/contracts/src/v0.8/vendor/ENSResolver.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\nabstract contract ENSResolver {\n  function addr(bytes32 node) public view virtual returns (address);\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/access/AccessControlUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/AccessControl.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IAccessControlUpgradeable.sol\";\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../utils/StringsUpgradeable.sol\";\nimport \"../utils/introspection/ERC165Upgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module that allows children to implement role-based access\n * control mechanisms. This is a lightweight version that doesn't allow enumerating role\n * members except through off-chain means by accessing the contract event logs. Some\n * applications may benefit from on-chain enumerability, for those cases see\n * {AccessControlEnumerable}.\n *\n * Roles are referred to by their `bytes32` identifier. These should be exposed\n * in the external API and be unique. The best way to achieve this is by\n * using `public constant` hash digests:\n *\n * ```\n * bytes32 public constant MY_ROLE = keccak256(\"MY_ROLE\");\n * ```\n *\n * Roles can be used to represent a set of permissions. To restrict access to a\n * function call, use {hasRole}:\n *\n * ```\n * function foo() public {\n *     require(hasRole(MY_ROLE, msg.sender));\n *     ...\n * }\n * ```\n *\n * Roles can be granted and revoked dynamically via the {grantRole} and\n * {revokeRole} functions. Each role has an associated admin role, and only\n * accounts that have a role's admin role can call {grantRole} and {revokeRole}.\n *\n * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means\n * that only accounts with this role will be able to grant or revoke other\n * roles. More complex role relationships can be created by using\n * {_setRoleAdmin}.\n *\n * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to\n * grant and revoke this role. Extra precautions should be taken to secure\n * accounts that have been granted it.\n */\nabstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {\n    function __AccessControl_init() internal onlyInitializing {\n        __Context_init_unchained();\n        __ERC165_init_unchained();\n        __AccessControl_init_unchained();\n    }\n\n    function __AccessControl_init_unchained() internal onlyInitializing {\n    }\n    struct RoleData {\n        mapping(address => bool) members;\n        bytes32 adminRole;\n    }\n\n    mapping(bytes32 => RoleData) private _roles;\n\n    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n    /**\n     * @dev Modifier that checks that an account has a specific role. Reverts\n     * with a standardized message including the required role.\n     *\n     * The format of the revert reason is given by the following regular expression:\n     *\n     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n     *\n     * _Available since v4.1._\n     */\n    modifier onlyRole(bytes32 role) {\n        _checkRole(role, _msgSender());\n        _;\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) public view override returns (bool) {\n        return _roles[role].members[account];\n    }\n\n    /**\n     * @dev Revert with a standard message if `account` is missing `role`.\n     *\n     * The format of the revert reason is given by the following regular expression:\n     *\n     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n     */\n    function _checkRole(bytes32 role, address account) internal view {\n        if (!hasRole(role, account)) {\n            revert(\n                string(\n                    abi.encodePacked(\n                        \"AccessControl: account \",\n                        StringsUpgradeable.toHexString(uint160(account), 20),\n                        \" is missing role \",\n                        StringsUpgradeable.toHexString(uint256(role), 32)\n                    )\n                )\n            );\n        }\n    }\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) public view override returns (bytes32) {\n        return _roles[role].adminRole;\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n        _grantRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {\n        _revokeRole(role, account);\n    }\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been revoked `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `account`.\n     */\n    function renounceRole(bytes32 role, address account) public virtual override {\n        require(account == _msgSender(), \"AccessControl: can only renounce roles for self\");\n\n        _revokeRole(role, account);\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event. Note that unlike {grantRole}, this function doesn't perform any\n     * checks on the calling account.\n     *\n     * [WARNING]\n     * ====\n     * This function should only be called from the constructor when setting\n     * up the initial roles for the system.\n     *\n     * Using this function in any other way is effectively circumventing the admin\n     * system imposed by {AccessControl}.\n     * ====\n     *\n     * NOTE: This function is deprecated in favor of {_grantRole}.\n     */\n    function _setupRole(bytes32 role, address account) internal virtual {\n        _grantRole(role, account);\n    }\n\n    /**\n     * @dev Sets `adminRole` as ``role``'s admin role.\n     *\n     * Emits a {RoleAdminChanged} event.\n     */\n    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n        bytes32 previousAdminRole = getRoleAdmin(role);\n        _roles[role].adminRole = adminRole;\n        emit RoleAdminChanged(role, previousAdminRole, adminRole);\n    }\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * Internal function without access restriction.\n     */\n    function _grantRole(bytes32 role, address account) internal virtual {\n        if (!hasRole(role, account)) {\n            _roles[role].members[account] = true;\n            emit RoleGranted(role, account, _msgSender());\n        }\n    }\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * Internal function without access restriction.\n     */\n    function _revokeRole(bytes32 role, address account) internal virtual {\n        if (hasRole(role, account)) {\n            _roles[role].members[account] = false;\n            emit RoleRevoked(role, account, _msgSender());\n        }\n    }\n    uint256[49] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/access/IAccessControlUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IAccessControlUpgradeable {\n    /**\n     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n     *\n     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n     * {RoleAdminChanged} not being emitted signaling this.\n     *\n     * _Available since v3.1._\n     */\n    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n    /**\n     * @dev Emitted when `account` is granted `role`.\n     *\n     * `sender` is the account that originated the contract call, an admin role\n     * bearer except when using {AccessControl-_setupRole}.\n     */\n    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Emitted when `account` is revoked `role`.\n     *\n     * `sender` is the account that originated the contract call:\n     *   - if using `revokeRole`, it is the admin role bearer\n     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)\n     */\n    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) external view returns (bool);\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function grantRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function revokeRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been granted `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `account`.\n     */\n    function renounceRole(bytes32 role, address account) external;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/access/OwnableUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    function __Ownable_init() internal onlyInitializing {\n        __Context_init_unchained();\n        __Ownable_init_unchained();\n    }\n\n    function __Ownable_init_unchained() internal onlyInitializing {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n        _;\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n    uint256[49] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/metatx/ERC2771ContextUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (metatx/ERC2771Context.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Context variant with ERC2771 support.\n */\nabstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {\n    address private _trustedForwarder;\n\n    function __ERC2771Context_init(address trustedForwarder) internal onlyInitializing {\n        __Context_init_unchained();\n        __ERC2771Context_init_unchained(trustedForwarder);\n    }\n\n    function __ERC2771Context_init_unchained(address trustedForwarder) internal onlyInitializing {\n        _trustedForwarder = trustedForwarder;\n    }\n\n    function isTrustedForwarder(address forwarder) public view virtual returns (bool) {\n        return forwarder == _trustedForwarder;\n    }\n\n    function _msgSender() internal view virtual override returns (address sender) {\n        if (isTrustedForwarder(msg.sender)) {\n            // The assembly code is more direct than the Solidity version using `abi.decode`.\n            assembly {\n                sender := shr(96, calldataload(sub(calldatasize(), 20)))\n            }\n        } else {\n            return super._msgSender();\n        }\n    }\n\n    function _msgData() internal view virtual override returns (bytes calldata) {\n        if (isTrustedForwarder(msg.sender)) {\n            return msg.data[:msg.data.length - 20];\n        } else {\n            return super._msgData();\n        }\n    }\n    uint256[49] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/proxy/beacon/IBeaconUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This is the interface that {BeaconProxy} expects of its beacon.\n */\ninterface IBeaconUpgradeable {\n    /**\n     * @dev Must return an address that can be used as a delegate call target.\n     *\n     * {BeaconProxy} will check that this address is a contract.\n     */\n    function implementation() external view returns (address);\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/proxy/ERC1967/ERC1967UpgradeUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Upgrade.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../beacon/IBeaconUpgradeable.sol\";\nimport \"../../utils/AddressUpgradeable.sol\";\nimport \"../../utils/StorageSlotUpgradeable.sol\";\nimport \"../utils/Initializable.sol\";\n\n/**\n * @dev This abstract contract provides getters and event emitting update functions for\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.\n *\n * _Available since v4.1._\n *\n * @custom:oz-upgrades-unsafe-allow delegatecall\n */\nabstract contract ERC1967UpgradeUpgradeable is Initializable {\n    function __ERC1967Upgrade_init() internal onlyInitializing {\n        __ERC1967Upgrade_init_unchained();\n    }\n\n    function __ERC1967Upgrade_init_unchained() internal onlyInitializing {\n    }\n    // This is the keccak-256 hash of \"eip1967.proxy.rollback\" subtracted by 1\n    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;\n\n    /**\n     * @dev Storage slot with the address of the current implementation.\n     * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1, and is\n     * validated in the constructor.\n     */\n    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n    /**\n     * @dev Emitted when the implementation is upgraded.\n     */\n    event Upgraded(address indexed implementation);\n\n    /**\n     * @dev Returns the current implementation address.\n     */\n    function _getImplementation() internal view returns (address) {\n        return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new address in the EIP1967 implementation slot.\n     */\n    function _setImplementation(address newImplementation) private {\n        require(AddressUpgradeable.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n        StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n    }\n\n    /**\n     * @dev Perform implementation upgrade\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeTo(address newImplementation) internal {\n        _setImplementation(newImplementation);\n        emit Upgraded(newImplementation);\n    }\n\n    /**\n     * @dev Perform implementation upgrade with additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCall(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        _upgradeTo(newImplementation);\n        if (data.length > 0 || forceCall) {\n            _functionDelegateCall(newImplementation, data);\n        }\n    }\n\n    /**\n     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCallSecure(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        address oldImplementation = _getImplementation();\n\n        // Initial upgrade and setup call\n        _setImplementation(newImplementation);\n        if (data.length > 0 || forceCall) {\n            _functionDelegateCall(newImplementation, data);\n        }\n\n        // Perform rollback test if not already in progress\n        StorageSlotUpgradeable.BooleanSlot storage rollbackTesting = StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT);\n        if (!rollbackTesting.value) {\n            // Trigger rollback using upgradeTo from the new implementation\n            rollbackTesting.value = true;\n            _functionDelegateCall(\n                newImplementation,\n                abi.encodeWithSignature(\"upgradeTo(address)\", oldImplementation)\n            );\n            rollbackTesting.value = false;\n            // Check rollback was effective\n            require(oldImplementation == _getImplementation(), \"ERC1967Upgrade: upgrade breaks further upgrades\");\n            // Finally reset to the new implementation and log the upgrade\n            _upgradeTo(newImplementation);\n        }\n    }\n\n    /**\n     * @dev Storage slot with the admin of the contract.\n     * This is the keccak-256 hash of \"eip1967.proxy.admin\" subtracted by 1, and is\n     * validated in the constructor.\n     */\n    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;\n\n    /**\n     * @dev Emitted when the admin account has changed.\n     */\n    event AdminChanged(address previousAdmin, address newAdmin);\n\n    /**\n     * @dev Returns the current admin.\n     */\n    function _getAdmin() internal view returns (address) {\n        return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new address in the EIP1967 admin slot.\n     */\n    function _setAdmin(address newAdmin) private {\n        require(newAdmin != address(0), \"ERC1967: new admin is the zero address\");\n        StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin;\n    }\n\n    /**\n     * @dev Changes the admin of the proxy.\n     *\n     * Emits an {AdminChanged} event.\n     */\n    function _changeAdmin(address newAdmin) internal {\n        emit AdminChanged(_getAdmin(), newAdmin);\n        _setAdmin(newAdmin);\n    }\n\n    /**\n     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.\n     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.\n     */\n    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;\n\n    /**\n     * @dev Emitted when the beacon is upgraded.\n     */\n    event BeaconUpgraded(address indexed beacon);\n\n    /**\n     * @dev Returns the current beacon.\n     */\n    function _getBeacon() internal view returns (address) {\n        return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new beacon in the EIP1967 beacon slot.\n     */\n    function _setBeacon(address newBeacon) private {\n        require(AddressUpgradeable.isContract(newBeacon), \"ERC1967: new beacon is not a contract\");\n        require(\n            AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()),\n            \"ERC1967: beacon implementation is not a contract\"\n        );\n        StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon;\n    }\n\n    /**\n     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does\n     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).\n     *\n     * Emits a {BeaconUpgraded} event.\n     */\n    function _upgradeBeaconToAndCall(\n        address newBeacon,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        _setBeacon(newBeacon);\n        emit BeaconUpgraded(newBeacon);\n        if (data.length > 0 || forceCall) {\n            _functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data);\n        }\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function _functionDelegateCall(address target, bytes memory data) private returns (bytes memory) {\n        require(AddressUpgradeable.isContract(target), \"Address: delegate call to non-contract\");\n\n        // solhint-disable-next-line avoid-low-level-calls\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return AddressUpgradeable.verifyCallResult(success, returndata, \"Address: low-level delegate call failed\");\n    }\n    uint256[50] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the\n * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() initializer {}\n * ```\n * ====\n */\nabstract contract Initializable {\n    /**\n     * @dev Indicates that the contract has been initialized.\n     */\n    bool private _initialized;\n\n    /**\n     * @dev Indicates that the contract is in the process of being initialized.\n     */\n    bool private _initializing;\n\n    /**\n     * @dev Modifier to protect an initializer function from being invoked twice.\n     */\n    modifier initializer() {\n        // If the contract is initializing we ignore whether _initialized is set in order to support multiple\n        // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the\n        // contract may have been reentered.\n        require(_initializing ? _isConstructor() : !_initialized, \"Initializable: contract is already initialized\");\n\n        bool isTopLevelCall = !_initializing;\n        if (isTopLevelCall) {\n            _initializing = true;\n            _initialized = true;\n        }\n\n        _;\n\n        if (isTopLevelCall) {\n            _initializing = false;\n        }\n    }\n\n    /**\n     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n     * {initializer} modifier, directly or indirectly.\n     */\n    modifier onlyInitializing() {\n        require(_initializing, \"Initializable: contract is not initializing\");\n        _;\n    }\n\n    function _isConstructor() private view returns (bool) {\n        return !AddressUpgradeable.isContract(address(this));\n    }\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/utils/UUPSUpgradeable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC1967/ERC1967UpgradeUpgradeable.sol\";\nimport \"./Initializable.sol\";\n\n/**\n * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an\n * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.\n *\n * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is\n * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing\n * `UUPSUpgradeable` with a custom implementation of upgrades.\n *\n * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.\n *\n * _Available since v4.1._\n */\nabstract contract UUPSUpgradeable is Initializable, ERC1967UpgradeUpgradeable {\n    function __UUPSUpgradeable_init() internal onlyInitializing {\n        __ERC1967Upgrade_init_unchained();\n        __UUPSUpgradeable_init_unchained();\n    }\n\n    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {\n    }\n    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment\n    address private immutable __self = address(this);\n\n    /**\n     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is\n     * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case\n     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a\n     * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to\n     * fail.\n     */\n    modifier onlyProxy() {\n        require(address(this) != __self, \"Function must be called through delegatecall\");\n        require(_getImplementation() == __self, \"Function must be called through active proxy\");\n        _;\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy to `newImplementation`.\n     *\n     * Calls {_authorizeUpgrade}.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function upgradeTo(address newImplementation) external virtual onlyProxy {\n        _authorizeUpgrade(newImplementation);\n        _upgradeToAndCallSecure(newImplementation, new bytes(0), false);\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call\n     * encoded in `data`.\n     *\n     * Calls {_authorizeUpgrade}.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual onlyProxy {\n        _authorizeUpgrade(newImplementation);\n        _upgradeToAndCallSecure(newImplementation, data, true);\n    }\n\n    /**\n     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by\n     * {upgradeTo} and {upgradeToAndCall}.\n     *\n     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.\n     *\n     * ```solidity\n     * function _authorizeUpgrade(address) internal override onlyOwner {}\n     * ```\n     */\n    function _authorizeUpgrade(address newImplementation) internal virtual;\n    uint256[50] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/utils/AddressUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize, which returns 0 for contracts in\n        // construction, since the code is only stored at the end of the\n        // constructor execution.\n\n        uint256 size;\n        assembly {\n            size := extcodesize(account)\n        }\n        return size > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCall(target, data, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        require(isContract(target), \"Address: call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        require(isContract(target), \"Address: static call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            // Look for revert reason and bubble it up if present\n            if (returndata.length > 0) {\n                // The easiest way to bubble the revert reason is using memory via assembly\n\n                assembly {\n                    let returndata_size := mload(returndata)\n                    revert(add(32, returndata), returndata_size)\n                }\n            } else {\n                revert(errorMessage);\n            }\n        }\n    }\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/utils/ContextUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract ContextUpgradeable is Initializable {\n    function __Context_init() internal onlyInitializing {\n        __Context_init_unchained();\n    }\n\n    function __Context_init_unchained() internal onlyInitializing {\n    }\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n    uint256[50] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/utils/introspection/ERC165Upgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165Upgradeable.sol\";\nimport \"../../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {\n    function __ERC165_init() internal onlyInitializing {\n        __ERC165_init_unchained();\n    }\n\n    function __ERC165_init_unchained() internal onlyInitializing {\n    }\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IERC165Upgradeable).interfaceId;\n    }\n    uint256[50] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/utils/introspection/IERC165Upgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165Upgradeable {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/utils/StorageSlotUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC1967 implementation slot:\n * ```\n * contract ERC1967 {\n *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n *     function _getImplementation() internal view returns (address) {\n *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n *     }\n *\n *     function _setImplementation(address newImplementation) internal {\n *         require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n *     }\n * }\n * ```\n *\n * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._\n */\nlibrary StorageSlotUpgradeable {\n    struct AddressSlot {\n        address value;\n    }\n\n    struct BooleanSlot {\n        bool value;\n    }\n\n    struct Bytes32Slot {\n        bytes32 value;\n    }\n\n    struct Uint256Slot {\n        uint256 value;\n    }\n\n    /**\n     * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n     */\n    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n     */\n    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n     */\n    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n     */\n    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n}\n"},"@openzeppelin/contracts-upgradeable-4.4.2/utils/StringsUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary StringsUpgradeable {\n    bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        // Inspired by OraclizeAPI's implementation - MIT licence\n        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n        if (value == 0) {\n            return \"0\";\n        }\n        uint256 temp = value;\n        uint256 digits;\n        while (temp != 0) {\n            digits++;\n            temp /= 10;\n        }\n        bytes memory buffer = new bytes(digits);\n        while (value != 0) {\n            digits -= 1;\n            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n            value /= 10;\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        if (value == 0) {\n            return \"0x00\";\n        }\n        uint256 temp = value;\n        uint256 length = 0;\n        while (temp != 0) {\n            length++;\n            temp >>= 8;\n        }\n        return toHexString(value, length);\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = _HEX_SYMBOLS[value & 0xf];\n            value >>= 4;\n        }\n        require(value == 0, \"Strings: hex length insufficient\");\n        return string(buffer);\n    }\n}\n"},"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/ContextUpgradeable.sol\";\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    function __Ownable_init() internal onlyInitializing {\n        __Ownable_init_unchained();\n    }\n\n    function __Ownable_init_unchained() internal onlyInitializing {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[49] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable/interfaces/draft-IERC1822Upgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified\n * proxy whose upgrades are fully controlled by the current implementation.\n */\ninterface IERC1822ProxiableUpgradeable {\n    /**\n     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation\n     * address.\n     *\n     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n     * function revert if invoked through a proxy.\n     */\n    function proxiableUUID() external view returns (bytes32);\n}\n"},"@openzeppelin/contracts-upgradeable/proxy/beacon/IBeaconUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This is the interface that {BeaconProxy} expects of its beacon.\n */\ninterface IBeaconUpgradeable {\n    /**\n     * @dev Must return an address that can be used as a delegate call target.\n     *\n     * {BeaconProxy} will check that this address is a contract.\n     */\n    function implementation() external view returns (address);\n}\n"},"@openzeppelin/contracts-upgradeable/proxy/ERC1967/ERC1967UpgradeUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../beacon/IBeaconUpgradeable.sol\";\nimport \"../../interfaces/draft-IERC1822Upgradeable.sol\";\nimport \"../../utils/AddressUpgradeable.sol\";\nimport \"../../utils/StorageSlotUpgradeable.sol\";\nimport \"../utils/Initializable.sol\";\n\n/**\n * @dev This abstract contract provides getters and event emitting update functions for\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.\n *\n * _Available since v4.1._\n *\n * @custom:oz-upgrades-unsafe-allow delegatecall\n */\nabstract contract ERC1967UpgradeUpgradeable is Initializable {\n    function __ERC1967Upgrade_init() internal onlyInitializing {\n    }\n\n    function __ERC1967Upgrade_init_unchained() internal onlyInitializing {\n    }\n    // This is the keccak-256 hash of \"eip1967.proxy.rollback\" subtracted by 1\n    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;\n\n    /**\n     * @dev Storage slot with the address of the current implementation.\n     * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1, and is\n     * validated in the constructor.\n     */\n    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n    /**\n     * @dev Emitted when the implementation is upgraded.\n     */\n    event Upgraded(address indexed implementation);\n\n    /**\n     * @dev Returns the current implementation address.\n     */\n    function _getImplementation() internal view returns (address) {\n        return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new address in the EIP1967 implementation slot.\n     */\n    function _setImplementation(address newImplementation) private {\n        require(AddressUpgradeable.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n        StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n    }\n\n    /**\n     * @dev Perform implementation upgrade\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeTo(address newImplementation) internal {\n        _setImplementation(newImplementation);\n        emit Upgraded(newImplementation);\n    }\n\n    /**\n     * @dev Perform implementation upgrade with additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCall(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        _upgradeTo(newImplementation);\n        if (data.length > 0 || forceCall) {\n            _functionDelegateCall(newImplementation, data);\n        }\n    }\n\n    /**\n     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCallUUPS(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        // Upgrades from old implementations will perform a rollback test. This test requires the new\n        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing\n        // this special case will break upgrade paths from old UUPS implementation to new ones.\n        if (StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT).value) {\n            _setImplementation(newImplementation);\n        } else {\n            try IERC1822ProxiableUpgradeable(newImplementation).proxiableUUID() returns (bytes32 slot) {\n                require(slot == _IMPLEMENTATION_SLOT, \"ERC1967Upgrade: unsupported proxiableUUID\");\n            } catch {\n                revert(\"ERC1967Upgrade: new implementation is not UUPS\");\n            }\n            _upgradeToAndCall(newImplementation, data, forceCall);\n        }\n    }\n\n    /**\n     * @dev Storage slot with the admin of the contract.\n     * This is the keccak-256 hash of \"eip1967.proxy.admin\" subtracted by 1, and is\n     * validated in the constructor.\n     */\n    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;\n\n    /**\n     * @dev Emitted when the admin account has changed.\n     */\n    event AdminChanged(address previousAdmin, address newAdmin);\n\n    /**\n     * @dev Returns the current admin.\n     */\n    function _getAdmin() internal view returns (address) {\n        return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new address in the EIP1967 admin slot.\n     */\n    function _setAdmin(address newAdmin) private {\n        require(newAdmin != address(0), \"ERC1967: new admin is the zero address\");\n        StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin;\n    }\n\n    /**\n     * @dev Changes the admin of the proxy.\n     *\n     * Emits an {AdminChanged} event.\n     */\n    function _changeAdmin(address newAdmin) internal {\n        emit AdminChanged(_getAdmin(), newAdmin);\n        _setAdmin(newAdmin);\n    }\n\n    /**\n     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.\n     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.\n     */\n    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;\n\n    /**\n     * @dev Emitted when the beacon is upgraded.\n     */\n    event BeaconUpgraded(address indexed beacon);\n\n    /**\n     * @dev Returns the current beacon.\n     */\n    function _getBeacon() internal view returns (address) {\n        return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new beacon in the EIP1967 beacon slot.\n     */\n    function _setBeacon(address newBeacon) private {\n        require(AddressUpgradeable.isContract(newBeacon), \"ERC1967: new beacon is not a contract\");\n        require(\n            AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()),\n            \"ERC1967: beacon implementation is not a contract\"\n        );\n        StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon;\n    }\n\n    /**\n     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does\n     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).\n     *\n     * Emits a {BeaconUpgraded} event.\n     */\n    function _upgradeBeaconToAndCall(\n        address newBeacon,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        _setBeacon(newBeacon);\n        emit BeaconUpgraded(newBeacon);\n        if (data.length > 0 || forceCall) {\n            _functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data);\n        }\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function _functionDelegateCall(address target, bytes memory data) private returns (bytes memory) {\n        require(AddressUpgradeable.isContract(target), \"Address: delegate call to non-contract\");\n\n        // solhint-disable-next-line avoid-low-level-calls\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return AddressUpgradeable.verifyCallResult(success, returndata, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[50] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/AddressUpgradeable.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n *     function initialize() initializer public {\n *         __ERC20_init(\"MyToken\", \"MTK\");\n *     }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n *     function initializeV2() reinitializer(2) public {\n *         __ERC20Permit_init(\"MyToken\");\n *     }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n *     _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n    /**\n     * @dev Indicates that the contract has been initialized.\n     * @custom:oz-retyped-from bool\n     */\n    uint8 private _initialized;\n\n    /**\n     * @dev Indicates that the contract is in the process of being initialized.\n     */\n    bool private _initializing;\n\n    /**\n     * @dev Triggered when the contract has been initialized or reinitialized.\n     */\n    event Initialized(uint8 version);\n\n    /**\n     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n     * `onlyInitializing` functions can be used to initialize parent contracts.\n     *\n     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n     * constructor.\n     *\n     * Emits an {Initialized} event.\n     */\n    modifier initializer() {\n        bool isTopLevelCall = !_initializing;\n        require(\n            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),\n            \"Initializable: contract is already initialized\"\n        );\n        _initialized = 1;\n        if (isTopLevelCall) {\n            _initializing = true;\n        }\n        _;\n        if (isTopLevelCall) {\n            _initializing = false;\n            emit Initialized(1);\n        }\n    }\n\n    /**\n     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n     * used to initialize parent contracts.\n     *\n     * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n     * are added through upgrades and that require initialization.\n     *\n     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n     * cannot be nested. If one is invoked in the context of another, execution will revert.\n     *\n     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n     * a contract, executing them in the right order is up to the developer or operator.\n     *\n     * WARNING: setting the version to 255 will prevent any future reinitialization.\n     *\n     * Emits an {Initialized} event.\n     */\n    modifier reinitializer(uint8 version) {\n        require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n        _initialized = version;\n        _initializing = true;\n        _;\n        _initializing = false;\n        emit Initialized(version);\n    }\n\n    /**\n     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n     * {initializer} and {reinitializer} modifiers, directly or indirectly.\n     */\n    modifier onlyInitializing() {\n        require(_initializing, \"Initializable: contract is not initializing\");\n        _;\n    }\n\n    /**\n     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n     * through proxies.\n     *\n     * Emits an {Initialized} event the first time it is successfully executed.\n     */\n    function _disableInitializers() internal virtual {\n        require(!_initializing, \"Initializable: contract is initializing\");\n        if (_initialized < type(uint8).max) {\n            _initialized = type(uint8).max;\n            emit Initialized(type(uint8).max);\n        }\n    }\n\n    /**\n     * @dev Internal function that returns the initialized version. Returns `_initialized`\n     */\n    function _getInitializedVersion() internal view returns (uint8) {\n        return _initialized;\n    }\n\n    /**\n     * @dev Internal function that returns the initialized version. Returns `_initializing`\n     */\n    function _isInitializing() internal view returns (bool) {\n        return _initializing;\n    }\n}\n"},"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (proxy/utils/UUPSUpgradeable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../interfaces/draft-IERC1822Upgradeable.sol\";\nimport \"../ERC1967/ERC1967UpgradeUpgradeable.sol\";\nimport \"./Initializable.sol\";\n\n/**\n * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an\n * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.\n *\n * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is\n * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing\n * `UUPSUpgradeable` with a custom implementation of upgrades.\n *\n * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.\n *\n * _Available since v4.1._\n */\nabstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable {\n    function __UUPSUpgradeable_init() internal onlyInitializing {\n    }\n\n    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {\n    }\n    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment\n    address private immutable __self = address(this);\n\n    /**\n     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is\n     * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case\n     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a\n     * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to\n     * fail.\n     */\n    modifier onlyProxy() {\n        require(address(this) != __self, \"Function must be called through delegatecall\");\n        require(_getImplementation() == __self, \"Function must be called through active proxy\");\n        _;\n    }\n\n    /**\n     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be\n     * callable on the implementing contract but not through proxies.\n     */\n    modifier notDelegated() {\n        require(address(this) == __self, \"UUPSUpgradeable: must not be called through delegatecall\");\n        _;\n    }\n\n    /**\n     * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the\n     * implementation. It is used to validate the implementation's compatibility when performing an upgrade.\n     *\n     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n     * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.\n     */\n    function proxiableUUID() external view virtual override notDelegated returns (bytes32) {\n        return _IMPLEMENTATION_SLOT;\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy to `newImplementation`.\n     *\n     * Calls {_authorizeUpgrade}.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function upgradeTo(address newImplementation) external virtual onlyProxy {\n        _authorizeUpgrade(newImplementation);\n        _upgradeToAndCallUUPS(newImplementation, new bytes(0), false);\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call\n     * encoded in `data`.\n     *\n     * Calls {_authorizeUpgrade}.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual onlyProxy {\n        _authorizeUpgrade(newImplementation);\n        _upgradeToAndCallUUPS(newImplementation, data, true);\n    }\n\n    /**\n     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by\n     * {upgradeTo} and {upgradeToAndCall}.\n     *\n     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.\n     *\n     * ```solidity\n     * function _authorizeUpgrade(address) internal override onlyOwner {}\n     * ```\n     */\n    function _authorizeUpgrade(address newImplementation) internal virtual;\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[50] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n     *\n     * _Available since v4.8._\n     */\n    function verifyCallResultFromTarget(\n        address target,\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        if (success) {\n            if (returndata.length == 0) {\n                // only check isContract if the call was successful and the return data is empty\n                // otherwise we already know that it was a contract\n                require(isContract(target), \"Address: call to non-contract\");\n            }\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    /**\n     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason or using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    function _revert(bytes memory returndata, string memory errorMessage) private pure {\n        // Look for revert reason and bubble it up if present\n        if (returndata.length > 0) {\n            // The easiest way to bubble the revert reason is using memory via assembly\n            /// @solidity memory-safe-assembly\n            assembly {\n                let returndata_size := mload(returndata)\n                revert(add(32, returndata), returndata_size)\n            }\n        } else {\n            revert(errorMessage);\n        }\n    }\n}\n"},"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\nimport \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract ContextUpgradeable is Initializable {\n    function __Context_init() internal onlyInitializing {\n    }\n\n    function __Context_init_unchained() internal onlyInitializing {\n    }\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[50] private __gap;\n}\n"},"@openzeppelin/contracts-upgradeable/utils/StorageSlotUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC1967 implementation slot:\n * ```\n * contract ERC1967 {\n *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n *     function _getImplementation() internal view returns (address) {\n *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n *     }\n *\n *     function _setImplementation(address newImplementation) internal {\n *         require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n *     }\n * }\n * ```\n *\n * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._\n */\nlibrary StorageSlotUpgradeable {\n    struct AddressSlot {\n        address value;\n    }\n\n    struct BooleanSlot {\n        bool value;\n    }\n\n    struct Bytes32Slot {\n        bytes32 value;\n    }\n\n    struct Uint256Slot {\n        uint256 value;\n    }\n\n    /**\n     * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n     */\n    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n     */\n    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n     */\n    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n     */\n    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n}\n"},"@openzeppelin/contracts/access/Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n        _;\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"},"@openzeppelin/contracts/token/ERC20/ERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n    mapping(address => uint256) private _balances;\n\n    mapping(address => mapping(address => uint256)) private _allowances;\n\n    uint256 private _totalSupply;\n\n    string private _name;\n    string private _symbol;\n\n    /**\n     * @dev Sets the values for {name} and {symbol}.\n     *\n     * The default value of {decimals} is 18. To select a different value for\n     * {decimals} you should overload it.\n     *\n     * All two of these values are immutable: they can only be set once during\n     * construction.\n     */\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n    }\n\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() public view virtual override returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev Returns the symbol of the token, usually a shorter version of the\n     * name.\n     */\n    function symbol() public view virtual override returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev Returns the number of decimals used to get its user representation.\n     * For example, if `decimals` equals `2`, a balance of `505` tokens should\n     * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n     *\n     * Tokens usually opt for a value of 18, imitating the relationship between\n     * Ether and Wei. This is the value {ERC20} uses, unless this function is\n     * overridden;\n     *\n     * NOTE: This information is only used for _display_ purposes: it in\n     * no way affects any of the arithmetic of the contract, including\n     * {IERC20-balanceOf} and {IERC20-transfer}.\n     */\n    function decimals() public view virtual override returns (uint8) {\n        return 18;\n    }\n\n    /**\n     * @dev See {IERC20-totalSupply}.\n     */\n    function totalSupply() public view virtual override returns (uint256) {\n        return _totalSupply;\n    }\n\n    /**\n     * @dev See {IERC20-balanceOf}.\n     */\n    function balanceOf(address account) public view virtual override returns (uint256) {\n        return _balances[account];\n    }\n\n    /**\n     * @dev See {IERC20-transfer}.\n     *\n     * Requirements:\n     *\n     * - `recipient` cannot be the zero address.\n     * - the caller must have a balance of at least `amount`.\n     */\n    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {\n        _transfer(_msgSender(), recipient, amount);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-allowance}.\n     */\n    function allowance(address owner, address spender) public view virtual override returns (uint256) {\n        return _allowances[owner][spender];\n    }\n\n    /**\n     * @dev See {IERC20-approve}.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function approve(address spender, uint256 amount) public virtual override returns (bool) {\n        _approve(_msgSender(), spender, amount);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-transferFrom}.\n     *\n     * Emits an {Approval} event indicating the updated allowance. This is not\n     * required by the EIP. See the note at the beginning of {ERC20}.\n     *\n     * Requirements:\n     *\n     * - `sender` and `recipient` cannot be the zero address.\n     * - `sender` must have a balance of at least `amount`.\n     * - the caller must have allowance for ``sender``'s tokens of at least\n     * `amount`.\n     */\n    function transferFrom(\n        address sender,\n        address recipient,\n        uint256 amount\n    ) public virtual override returns (bool) {\n        _transfer(sender, recipient, amount);\n\n        uint256 currentAllowance = _allowances[sender][_msgSender()];\n        require(currentAllowance >= amount, \"ERC20: transfer amount exceeds allowance\");\n        unchecked {\n            _approve(sender, _msgSender(), currentAllowance - amount);\n        }\n\n        return true;\n    }\n\n    /**\n     * @dev Atomically increases the allowance granted to `spender` by the caller.\n     *\n     * This is an alternative to {approve} that can be used as a mitigation for\n     * problems described in {IERC20-approve}.\n     *\n     * Emits an {Approval} event indicating the updated allowance.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);\n        return true;\n    }\n\n    /**\n     * @dev Atomically decreases the allowance granted to `spender` by the caller.\n     *\n     * This is an alternative to {approve} that can be used as a mitigation for\n     * problems described in {IERC20-approve}.\n     *\n     * Emits an {Approval} event indicating the updated allowance.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `spender` must have allowance for the caller of at least\n     * `subtractedValue`.\n     */\n    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n        uint256 currentAllowance = _allowances[_msgSender()][spender];\n        require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n        unchecked {\n            _approve(_msgSender(), spender, currentAllowance - subtractedValue);\n        }\n\n        return true;\n    }\n\n    /**\n     * @dev Moves `amount` of tokens from `sender` to `recipient`.\n     *\n     * This internal function is equivalent to {transfer}, and can be used to\n     * e.g. implement automatic token fees, slashing mechanisms, etc.\n     *\n     * Emits a {Transfer} event.\n     *\n     * Requirements:\n     *\n     * - `sender` cannot be the zero address.\n     * - `recipient` cannot be the zero address.\n     * - `sender` must have a balance of at least `amount`.\n     */\n    function _transfer(\n        address sender,\n        address recipient,\n        uint256 amount\n    ) internal virtual {\n        require(sender != address(0), \"ERC20: transfer from the zero address\");\n        require(recipient != address(0), \"ERC20: transfer to the zero address\");\n\n        _beforeTokenTransfer(sender, recipient, amount);\n\n        uint256 senderBalance = _balances[sender];\n        require(senderBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n        unchecked {\n            _balances[sender] = senderBalance - amount;\n        }\n        _balances[recipient] += amount;\n\n        emit Transfer(sender, recipient, amount);\n\n        _afterTokenTransfer(sender, recipient, amount);\n    }\n\n    /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n     * the total supply.\n     *\n     * Emits a {Transfer} event with `from` set to the zero address.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     */\n    function _mint(address account, uint256 amount) internal virtual {\n        require(account != address(0), \"ERC20: mint to the zero address\");\n\n        _beforeTokenTransfer(address(0), account, amount);\n\n        _totalSupply += amount;\n        _balances[account] += amount;\n        emit Transfer(address(0), account, amount);\n\n        _afterTokenTransfer(address(0), account, amount);\n    }\n\n    /**\n     * @dev Destroys `amount` tokens from `account`, reducing the\n     * total supply.\n     *\n     * Emits a {Transfer} event with `to` set to the zero address.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     * - `account` must have at least `amount` tokens.\n     */\n    function _burn(address account, uint256 amount) internal virtual {\n        require(account != address(0), \"ERC20: burn from the zero address\");\n\n        _beforeTokenTransfer(account, address(0), amount);\n\n        uint256 accountBalance = _balances[account];\n        require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n        unchecked {\n            _balances[account] = accountBalance - amount;\n        }\n        _totalSupply -= amount;\n\n        emit Transfer(account, address(0), amount);\n\n        _afterTokenTransfer(account, address(0), amount);\n    }\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n     *\n     * This internal function is equivalent to `approve`, and can be used to\n     * e.g. set automatic allowances for certain subsystems, etc.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `owner` cannot be the zero address.\n     * - `spender` cannot be the zero address.\n     */\n    function _approve(\n        address owner,\n        address spender,\n        uint256 amount\n    ) internal virtual {\n        require(owner != address(0), \"ERC20: approve from the zero address\");\n        require(spender != address(0), \"ERC20: approve to the zero address\");\n\n        _allowances[owner][spender] = amount;\n        emit Approval(owner, spender, amount);\n    }\n\n    /**\n     * @dev Hook that is called before any transfer of tokens. This includes\n     * minting and burning.\n     *\n     * Calling conditions:\n     *\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * will be transferred to `to`.\n     * - when `from` is zero, `amount` tokens will be minted for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n     * - `from` and `to` are never both zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _beforeTokenTransfer(\n        address from,\n        address to,\n        uint256 amount\n    ) internal virtual {}\n\n    /**\n     * @dev Hook that is called after any transfer of tokens. This includes\n     * minting and burning.\n     *\n     * Calling conditions:\n     *\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * has been transferred to `to`.\n     * - when `from` is zero, `amount` tokens have been minted for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n     * - `from` and `to` are never both zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _afterTokenTransfer(\n        address from,\n        address to,\n        uint256 amount\n    ) internal virtual {}\n}\n"},"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the symbol of the token.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the decimals places of the token.\n     */\n    function decimals() external view returns (uint8);\n}\n"},"@openzeppelin/contracts/token/ERC20/IERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n    /**\n     * @dev Returns the amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` tokens from the caller's account to `recipient`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address recipient, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `sender` to `recipient` using the\n     * allowance mechanism. `amount` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address sender,\n        address recipient,\n        uint256 amount\n    ) external returns (bool);\n\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n"},"@openzeppelin/contracts/utils/Context.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n}\n"},"contracts/chainlinkClient/ENSCache.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\nimport \"@chainlink/contracts/src/v0.8/ChainlinkClient.sol\";\nimport \"@chainlink/contracts/src/v0.8/Chainlink.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\ninterface IStreamRegistry {\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address requestorAddress, string memory ensName, string calldata streamIdPath, string calldata metadataJsonString) external;\n}\n\ncontract ENSCache is ChainlinkClient, Ownable {\n    using Chainlink for Chainlink.Request;\n\n    uint256 constant private ORACLE_PAYMENT = 0 * LINK_DIVISIBILITY;\n    // uint256 constant private ORACLE_PAYMENT = 1;\n\n    mapping(string => address) public owners;\n    mapping(bytes32 => string) public tempENSnames;\n    mapping(bytes32 => string) public tempIdPaths;\n    mapping(bytes32 => string) public tempMetadatas;\n    mapping(bytes32 => address) public tempRequestorAddress;\n\n    address public oracle;\n    string public jobId;\n    IStreamRegistry private streamRegistry;\n\n    constructor(address oracleAddress, string memory chainlinkJobId) ChainlinkClient() Ownable() {\n        oracle = oracleAddress;\n        jobId = chainlinkJobId;\n    }\n\n    function setOracleAddress(address oracleAddress) public onlyOwner {\n        oracle = oracleAddress;\n    }\n\n    function setStreamRegistry(address streamRegistryAddress) public onlyOwner {\n        streamRegistry = IStreamRegistry(streamRegistryAddress);\n    }\n\n    function setChainlinkTokenAddress(address _link) public onlyOwner {\n        super.setChainlinkToken(_link);\n    }\n\n    function setChainlinkJobId(string calldata chainlinkJobId) public onlyOwner {\n        jobId = chainlinkJobId;\n    }\n\n    /** Just update cache for ensName */\n    function requestENSOwner(string calldata ensName) public {\n        Chainlink.Request memory req = buildChainlinkRequest(stringToBytes32(jobId), address(this), this.fulfillENSOwner.selector);\n        req.add(\"ensname\", ensName);\n        bytes32 requestid = sendChainlinkRequestTo(oracle, req, ORACLE_PAYMENT);\n        tempENSnames[requestid] = ensName;\n    }\n\n    /** Update cache and create a stream */\n    function requestENSOwnerAndCreateStream(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString, address requestorAddress) public {\n        require(bytes(streamIdPath).length > 0, \"error_emptyStreamIdPath\");\n        Chainlink.Request memory req = buildChainlinkRequest(stringToBytes32(jobId), address(this), this.fulfillENSOwner.selector);\n        req.add(\"ensname\", ensName);\n        bytes32 requestid = sendChainlinkRequestTo(oracle, req, ORACLE_PAYMENT);\n        tempRequestorAddress[requestid] = requestorAddress;\n        tempENSnames[requestid] = ensName;\n        tempIdPaths[requestid] = streamIdPath;\n        tempMetadatas[requestid] = metadataJsonString;\n    }\n\n    function resetCacheForMyENSName(string calldata ensName) public {\n        require(owners[ensName] == msg.sender, \"error_notOwnerOfThisENSName\");\n        owners[ensName] = address(0);\n    }\n\n    function resetCacheForENSName(string calldata ensName) public onlyOwner {\n        owners[ensName] = address(0);\n    }\n\n    /** Callback from Chainlink returning the results of the ENS lookup */\n    function fulfillENSOwner(bytes32 requestId, bytes32 owneraddress) public recordChainlinkFulfillment(requestId) {\n        owners[tempENSnames[requestId]] = address(uint160(uint256(owneraddress)));\n        if (bytes(tempIdPaths[requestId]).length > 0) {\n            streamRegistry.ENScreateStreamCallback(tempRequestorAddress[requestId], tempENSnames[requestId], tempIdPaths[requestId], tempMetadatas[requestId]);\n        }\n    }\n\n    function getChainlinkToken() public view returns (address) {\n        return chainlinkTokenAddress();\n    }\n\n    function withdrawLink() public onlyOwner {\n        LinkTokenInterface link = LinkTokenInterface(chainlinkTokenAddress());\n        require(link.transfer(_msgSender(), link.balanceOf(address(this))), \"Unable to transfer\");\n    }\n\n    function cancelRequest(bytes32 _requestId, uint256 _payment, bytes4 _callbackFunctionId,\n        uint256 _expiration) public onlyOwner {\n        cancelChainlinkRequest(_requestId, _payment, _callbackFunctionId, _expiration);\n    }\n\n    function stringToBytes32(string memory source) private pure returns (bytes32 result) {\n        bytes memory tempEmptyStringTest = bytes(source);\n        if (tempEmptyStringTest.length == 0) {\n            return 0x0;\n        }\n\n        assembly { // solhint-disable-line no-inline-assembly\n            result := mload(add(source, 32))\n        }\n    }\n}\n"},"contracts/chainlinkClient/ENSCacheV1.sol":{"content":"/**\n * Deployed on 2021-01-11 to 0x870528c1aDe8f5eB4676AA2d15FC0B034E276A1A\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\nimport \"@chainlink/contracts/src/v0.8/ChainlinkClient.sol\";\nimport \"@chainlink/contracts/src/v0.8/Chainlink.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\ninterface IStreamRegistry {\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address requestorAddress, string memory ensName, string calldata streamIdPath, string calldata metadataJsonString) external;\n}\n\ncontract ENSCacheV1 is ChainlinkClient, Ownable {\n    using Chainlink for Chainlink.Request;\n\n    uint256 constant private ORACLE_PAYMENT = 0 * LINK_DIVISIBILITY;\n    // uint256 constant private ORACLE_PAYMENT = 1;\n\n    mapping(string => address) public owners;\n    mapping(bytes32 => string) public tempENSnames;\n    mapping(bytes32 => string) public tempIdPaths;\n    mapping(bytes32 => string) public tempMetadatas;\n    mapping(bytes32 => address) public tempRequestorAddress;\n\n    address public oracle;\n    string public jobId;\n    IStreamRegistry private streamRegistry;\n\n    constructor(address oracleAddress, string memory chainlinkJobId) ChainlinkClient() Ownable() {\n        oracle = oracleAddress;\n        jobId = chainlinkJobId;\n    }\n\n    function setOracleAddress(address oracleAddress) public onlyOwner {\n        oracle = oracleAddress;\n    }\n\n    function setStreamRegistry(address streamRegistryAddress) public onlyOwner {\n        streamRegistry = IStreamRegistry(streamRegistryAddress);\n    }\n\n    function setChainlinkTokenAddress(address _link) public onlyOwner {\n        super.setChainlinkToken(_link);\n    }\n\n    function setChainlinkJobId(string calldata chainlinkJobId) public onlyOwner {\n        jobId = chainlinkJobId;\n    }\n\n    /** Just update cache for ensName */\n    function requestENSOwner(string calldata ensName) public {\n        Chainlink.Request memory req = buildChainlinkRequest(stringToBytes32(jobId), address(this), this.fulfillENSOwner.selector);\n        req.add(\"ensname\", ensName);\n        bytes32 requestid = sendChainlinkRequestTo(oracle, req, ORACLE_PAYMENT);\n        tempENSnames[requestid] = ensName;\n    }\n\n    /** Update cache and create a stream */\n    function requestENSOwnerAndCreateStream(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString, address requestorAddress) public {\n        Chainlink.Request memory req = buildChainlinkRequest(stringToBytes32(jobId), address(this), this.fulfillENSOwner.selector);\n        req.add(\"ensname\", ensName);\n        bytes32 requestid = sendChainlinkRequestTo(oracle, req, ORACLE_PAYMENT);\n        tempRequestorAddress[requestid] = requestorAddress;\n        tempENSnames[requestid] = ensName;\n        tempIdPaths[requestid] = streamIdPath;\n        tempMetadatas[requestid] = metadataJsonString;\n    }\n\n    function fulfillENSOwner(bytes32 requestId, bytes32 owneraddress) public recordChainlinkFulfillment(requestId) {\n        owners[tempENSnames[requestId]] = address(uint160(uint256(owneraddress)));\n        streamRegistry.ENScreateStreamCallback(tempRequestorAddress[requestId], tempENSnames[requestId], tempIdPaths[requestId], tempMetadatas[requestId]);\n    }\n\n    function getChainlinkToken() public view returns (address) {\n        return chainlinkTokenAddress();\n    }\n\n    function withdrawLink() public onlyOwner {\n        LinkTokenInterface link = LinkTokenInterface(chainlinkTokenAddress());\n        require(link.transfer(_msgSender(), link.balanceOf(address(this))), \"Unable to transfer\");\n    }\n\n    function cancelRequest(bytes32 _requestId, uint256 _payment, bytes4 _callbackFunctionId,\n        uint256 _expiration) public onlyOwner {\n        cancelChainlinkRequest(_requestId, _payment, _callbackFunctionId, _expiration);\n    }\n\n    function stringToBytes32(string memory source) private pure returns (bytes32 result) {\n        bytes memory tempEmptyStringTest = bytes(source);\n        if (tempEmptyStringTest.length == 0) {\n            return 0x0;\n        }\n\n        assembly { // solhint-disable-line no-inline-assembly\n            result := mload(add(source, 32))\n        }\n    }\n}"},"contracts/chainlinkClient/ENSCacheV2Streamr.sol":{"content":"/**\n * Deployed on 2021-01-11 to 0x870528c1aDe8f5eB4676AA2d15FC0B034E276A1A\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\nimport \"./ENSCacheV1.sol\";\nimport \"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\";\nimport \"@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol\";\n\ncontract ENSCacheV2Streamr is Initializable, UUPSUpgradeable, OwnableUpgradeable {\n\n    event RequestENSOwnerAndCreateStream(string ensName, string streamIdPath, string metadataJsonString, address requestorAddress);\n\n    mapping(string => address) public owners;\n    address private streamrScript; // TODO: make public\n    IStreamRegistry private streamRegistry; // TODO: make public\n    ENSCacheV1 private ensCacheV1; // TODO: make public\n\n    modifier onlyStreamr() {\n        require(msg.sender == address(streamrScript), \"onlyStreamrScript\");\n        _;\n    }\n\n    modifier onlyStreamRegistry() {\n        require(msg.sender == address(streamRegistry), \"onlyStreamRegistry\");\n        _;\n    }\n\n    constructor() {\n    }\n\n    function initialize(address _streamrScript, IStreamRegistry _streamRegistry, ENSCacheV1 _ensCacheV1) public initializer {\n        __Ownable_init();\n        streamrScript = _streamrScript;\n        streamRegistry = _streamRegistry;\n        ensCacheV1 = _ensCacheV1;\n    }\n\n    function _authorizeUpgrade(address) internal override onlyOwner {}\n\n    function setStreamRegistry(address streamRegistryAddress) public onlyOwner {\n        streamRegistry = IStreamRegistry(streamRegistryAddress);\n    }\n\n    function setENSCacheV1(address ensCacheV1Address) public onlyOwner {\n        ensCacheV1 = ENSCacheV1(ensCacheV1Address);\n    }\n\n    function setStreamrScript(address _streamrScript) public onlyOwner {\n        streamrScript = _streamrScript;\n    }\n\n    /** Update cache and create a stream */\n    function requestENSOwnerAndCreateStream(\n        string calldata ensName,\n        string calldata streamIdPath,\n        string calldata metadataJsonString,\n        address requestorAddress\n    ) public onlyStreamRegistry() {\n        address ownerAddress = address(ensCacheV1) != address(0) ? ensCacheV1.owners(ensName) : address(0);\n        if (ownerAddress == requestorAddress) {\n            owners[ensName] = ownerAddress;\n            streamRegistry.ENScreateStreamCallback(ownerAddress, ensName, streamIdPath, metadataJsonString);\n        } else {\n            emit RequestENSOwnerAndCreateStream(ensName, streamIdPath, metadataJsonString, requestorAddress);\n        }\n    }\n\n    function fulfillENSOwner(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString, address ownerAddress) public onlyStreamr() {\n        owners[ensName] = ownerAddress;\n        streamRegistry.ENScreateStreamCallback(ownerAddress, ensName, streamIdPath, metadataJsonString);\n    }\n}"},"contracts/NodeRegistry/ERC20Mintable.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\n\n/**\n * ERC20Mintable is missing from open-zeppelin 3.0\n * See https://forum.openzeppelin.com/t/where-is-erc20mintable-sol-in-openzeppelin-contracts-3-0/2283\n */\ncontract ERC20Mintable is ERC20 {\n    address private creator;\n    constructor(string memory name, string memory symbol) ERC20(name, symbol) {\n        creator = msg.sender;\n    }\n\n    function mint(address receipient, uint amount) public {\n       require(msg.sender == creator, \"only_creator\");\n       _mint(receipient, amount);\n    }\n}\n"},"contracts/NodeRegistry/NetworkParameters.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\nimport \"./Ownable.sol\";\n\ncontract NetworkParameters is Ownable {\n    uint public minControlLayerVersion;\n    uint public minMessageLayerVersion;\n    string public minNetworkReferenceCodeVersion;\n    address public tokenAddress;\n\n    constructor(address owner, uint minControlLayerVersion_, uint minMessageLayerVersion_, string memory minNetworkReferenceCodeVersion_, address tokenAddress_) Ownable(owner) {\n        minControlLayerVersion = minControlLayerVersion_;\n        minMessageLayerVersion = minMessageLayerVersion_;\n        minNetworkReferenceCodeVersion = minNetworkReferenceCodeVersion_;\n        tokenAddress = tokenAddress_;\n    }\n\n    function setMinControlLayerVersion(uint version) public onlyOwner {\n        minControlLayerVersion = version;\n    }\n\n    function setMinMessageLayerVersion(uint version) public onlyOwner {\n        minControlLayerVersion = version;\n    }\n\n    function setMinNetworkReferenceCodeVersion(string memory version) public onlyOwner {\n        minNetworkReferenceCodeVersion = version;\n    }\n\n    function setTokenAddress(address tokenAddress_) public onlyOwner {\n        tokenAddress = tokenAddress_;\n    }\n}"},"contracts/NodeRegistry/NodeDomainNameHelper.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\ncontract NodeDomainNameHelper {\n    event Request(address indexed requestor, string indexed ipAddress, uint port);\n\n    function request(string memory ipAddress, uint port) public {\n        emit Request(msg.sender, ipAddress, port);\n    }\n}"},"contracts/NodeRegistry/NodeRegistry.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\npragma experimental ABIEncoderV2;\n\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/access/OwnableUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\n/**\n * @title NodeRegistry\n *\n * Streamr Network nodes register themselves here\n *\n * @dev OwnableUpgradable contract has an owner address, and provides basic authorization control functions.\n * @dev   This simplifies the implementation of \"user permissions\".\n */\ncontract NodeRegistry is Initializable, UUPSUpgradeable, OwnableUpgradeable {\n\n    // TODO: next version isNew should be boolean\n    event NodeUpdated(address indexed nodeAddress, string metadata, uint indexed isNew, uint lastSeen);\n    event NodeRemoved(address indexed nodeAddress);\n    event NodeWhitelistApproved(address indexed nodeAddress);\n    event NodeWhitelistRejected(address indexed nodeAddress);\n    event RequiresWhitelistChanged(bool indexed value);\n\n    enum WhitelistState {\n        None,\n        Approved,\n        Rejected\n    }\n\n    struct Node {\n        address nodeAddress; // Ethereum address of the node (unique id)\n        string metadata; // Connection metadata, for example wss://node-domain-name:port\n        uint lastSeen; // what's the best way to store timestamps in smart contracts?\n    }\n\n    struct NodeLinkedListItem {\n        Node node;\n        address next; //linked list\n        address prev; //linked list\n    }\n\n    modifier whitelistOK() {\n        require(!requiresWhitelist || whitelist[msg.sender] == WhitelistState.Approved, \"error_notApproved\");\n        _;\n    }\n\n    uint64 public nodeCount;\n    address public tailNode;\n    address public headNode;\n    bool public requiresWhitelist;\n    mapping(address => NodeLinkedListItem) public nodes;\n    mapping(address => WhitelistState) public whitelist;\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address owner, bool requiresWhitelist_, address[] memory initialNodes, string[] memory initialMetadata) public initializer {\n        __Ownable_init();\n        __UUPSUpgradeable_init();\n        requiresWhitelist = requiresWhitelist_;\n        require(initialNodes.length == initialMetadata.length, \"error_badTrackerData\");\n        for (uint i = 0; i < initialNodes.length; i++) {\n            createOrUpdateNode(initialNodes[i], initialMetadata[i]);\n        }\n        transferOwnership(owner);\n    }\n    function _authorizeUpgrade(address) internal override onlyOwner {}\n\n    function getNode(address nodeAddress) public view returns (Node memory) {\n        NodeLinkedListItem storage n = nodes[nodeAddress];\n        return n.node;\n    }\n\n    // TODO: add function\n    // function exists(address nodeAddress) public view returns (bool) {\n    //     NodeLinkedListItem storage n = nodes[nodeAddress];\n    //     return n.node.lastSeen != 0;\n    // }\n\n    // TODO: rename to adminCreateOrUpdateNode\n    function createOrUpdateNode(address node, string memory metadata_) public onlyOwner {\n        _createOrUpdateNode(node, metadata_);\n    }\n\n    // TODO: rename to createOrUpdateNode\n    function createOrUpdateNodeSelf(string memory metadata_) public whitelistOK {\n        _createOrUpdateNode(msg.sender, metadata_);\n    }\n\n    function _createOrUpdateNode(address nodeAddress, string memory metadata_) internal {\n        NodeLinkedListItem storage n = nodes[nodeAddress];\n        uint isNew = 0;\n        if (n.node.lastSeen == 0) {\n            isNew = 1;\n            nodes[nodeAddress] = NodeLinkedListItem({\n                node: Node({nodeAddress: nodeAddress, metadata: metadata_, lastSeen: block.timestamp}), // solhint-disable-line not-rely-on-time\n                prev: tailNode, next: address(0)\n            });\n            nodeCount++;\n            if (tailNode != address(0)) {\n                NodeLinkedListItem storage prevNode = nodes[tailNode];\n                prevNode.next = nodeAddress;\n            }\n            if (headNode == address(0)) {\n                headNode = nodeAddress;\n            }\n            tailNode = nodeAddress;\n        } else {\n            n.node.metadata = metadata_;\n            n.node.lastSeen = block.timestamp; // solhint-disable-line not-rely-on-time\n        }\n        emit NodeUpdated(nodeAddress, n.node.metadata, isNew, n.node.lastSeen);\n    }\n\n    function removeNode(address nodeAddress) public onlyOwner {\n        _removeNode(nodeAddress);\n    }\n    function removeNodeSelf() public {\n        _removeNode(msg.sender);\n    }\n    function _removeNode(address nodeAddress) internal {\n        NodeLinkedListItem storage n = nodes[nodeAddress];\n        require(n.node.lastSeen != 0, \"error_notFound\");\n        if(n.prev != address(0)){\n            NodeLinkedListItem storage prevNode = nodes[n.prev];\n            prevNode.next = n.next;\n        }\n        if(n.next != address(0)){\n            NodeLinkedListItem storage nextNode = nodes[n.next];\n            nextNode.prev = n.prev;\n        }\n        nodeCount--;\n        if(nodeAddress == tailNode) {\n            NodeLinkedListItem storage tn = nodes[tailNode];\n            tailNode = tn.prev;\n        }\n        if(nodeAddress == headNode) {\n            NodeLinkedListItem storage hn = nodes[headNode];\n            headNode = hn.next;\n        }\n\n        delete nodes[nodeAddress];\n        emit NodeRemoved(nodeAddress);\n    }\n\n    function whitelistApproveNode(address nodeAddress) public onlyOwner {\n        whitelist[nodeAddress] = WhitelistState.Approved;\n        emit NodeWhitelistApproved(nodeAddress);\n    }\n\n    function whitelistRejectNode(address nodeAddress) public onlyOwner {\n        whitelist[nodeAddress] = WhitelistState.Rejected;\n        emit NodeWhitelistRejected(nodeAddress);\n    }\n\n    function kickOut(address nodeAddress) public onlyOwner {\n        whitelistRejectNode(nodeAddress);\n        removeNode(nodeAddress);\n    }\n\n    function setRequiresWhitelist(bool value) public onlyOwner {\n        requiresWhitelist = value;\n        emit RequiresWhitelistChanged(value);\n    }\n    /*\n        this function is O(N) because we need linked list functionality.\n\n        i=0 is first node\n    */\n\n    function getNodeByNumber(uint i) external view returns (Node memory) {\n        require(i < nodeCount, \"error_indexOutOfBounds\");\n        address currentNodeAddress = headNode;\n        NodeLinkedListItem storage n = nodes[currentNodeAddress];\n        for(uint nodeNum = 1; nodeNum <= i; nodeNum++){\n            currentNodeAddress = n.next;\n            n = nodes[currentNodeAddress];\n        }\n        return n.node;\n    }\n\n    function getNodes() external view returns (Node[] memory) {\n        Node[] memory nodeArray = new Node[](nodeCount);\n        address currentNodeAddress = headNode;\n        for(uint nodeNum = 0; nodeNum < nodeCount; nodeNum++){\n            NodeLinkedListItem storage n = nodes[currentNodeAddress];\n            nodeArray[nodeNum] = n.node;\n            currentNodeAddress = n.next;\n        }\n        return nodeArray;\n    }\n}\n"},"contracts/NodeRegistry/Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, this simplifies the implementation of \"user permissions\".\n */\ncontract Ownable {\n    address public owner;\n    address public pendingOwner;\n\n    event OwnershipTransferred(\n        address indexed previousOwner,\n        address indexed newOwner\n    );\n\n    /**\n     * @dev The Ownable constructor sets the original `owner` of the contract to the sender\n     * account.\n     */\n    constructor(address owner_) {\n        owner = owner_;\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        require(msg.sender == owner, \"onlyOwner\");\n        _;\n    }\n\n    /**\n     * @dev Allows the current owner to set the pendingOwner address.\n     * @param newOwner The address to transfer ownership to.\n     */\n    function transferOwnership(address newOwner) public onlyOwner {\n        pendingOwner = newOwner;\n    }\n\n    /**\n     * @dev Allows the pendingOwner address to finalize the transfer.\n     */\n    function claimOwnership() public {\n        require(msg.sender == pendingOwner, \"onlyPendingOwner\");\n        emit OwnershipTransferred(owner, pendingOwner);\n        owner = pendingOwner;\n        pendingOwner = address(0);\n    }\n}\n"},"contracts/NodeRegistry/TokenBalanceWeightStrategy.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\nimport \"./WeightStrategy.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\n\ncontract TokenBalanceWeightStrategy is WeightStrategy {\n    ERC20 public token;\n\n    constructor(address tokenAddress) {\n        token = ERC20(tokenAddress);\n    }\n\n    function getWeight(address nodeAddress) public override view returns (uint) {\n       return token.balanceOf(nodeAddress);\n    }\n}\n"},"contracts/NodeRegistry/TrackerRegistry.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\npragma experimental ABIEncoderV2;\n\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\n/**\n * This is the original Noderegistry without the upgradable part that is deployed to the Mainnet and used as a tracker registry.\n * It is also deployed on the dev-env mainnet as a tracker registry.\n */\ncontract TrackerRegistry is Ownable {\n\n    // TODO: next version isNew should be boolean\n    event NodeUpdated(address indexed nodeAddress, string metadata, uint indexed isNew, uint lastSeen);\n    event NodeRemoved(address indexed nodeAddress);\n    event NodeWhitelistApproved(address indexed nodeAddress);\n    event NodeWhitelistRejected(address indexed nodeAddress);\n    event RequiresWhitelistChanged(bool indexed value);\n\n    enum WhitelistState {\n        None,\n        Approved,\n        Rejected\n    }\n\n    struct Node {\n        address nodeAddress; // Ethereum address of the node (unique id)\n        string metadata; // Connection metadata, for example wss://node-domain-name:port\n        uint lastSeen; // what's the best way to store timestamps in smart contracts?\n    }\n\n    struct NodeLinkedListItem {\n        Node node;\n        address next; //linked list\n        address prev; //linked list\n    }\n\n    modifier whitelistOK() {\n        require(!requiresWhitelist || whitelist[msg.sender] == WhitelistState.Approved, \"error_notApproved\");\n        _;\n    }\n\n    uint64 public nodeCount;\n    address public tailNode;\n    address public headNode;\n    bool public requiresWhitelist;\n    mapping(address => NodeLinkedListItem) public nodes;\n    mapping(address => WhitelistState) public whitelist;\n\n    constructor(address owner, bool requiresWhitelist_, address[] memory initialNodes, string[] memory initialMetadata) Ownable() { // Ownable(owner) {\n        transferOwnership(owner);\n        requiresWhitelist = requiresWhitelist_;\n        require(initialNodes.length == initialMetadata.length, \"error_badTrackerData\");\n        for (uint i = 0; i < initialNodes.length; i++) {\n            createOrUpdateNode(initialNodes[i], initialMetadata[i]);\n        }\n    }\n\n    function getNode(address nodeAddress) public view returns (Node memory) {\n        NodeLinkedListItem storage n = nodes[nodeAddress];\n        return n.node;\n    }\n\n    // TODO: add function\n    // function exists(address nodeAddress) public view returns (bool) {\n    //     NodeLinkedListItem storage n = nodes[nodeAddress];\n    //     return n.node.lastSeen != 0;\n    // }\n\n    function createOrUpdateNode(address node, string memory metadata_) public onlyOwner {\n        _createOrUpdateNode(node, metadata_);\n    }\n\n    function createOrUpdateNodeSelf(string memory metadata_) public whitelistOK {\n        _createOrUpdateNode(msg.sender, metadata_);\n    }\n\n    function _createOrUpdateNode(address nodeAddress, string memory metadata_) internal {\n        NodeLinkedListItem storage n = nodes[nodeAddress];\n        uint isNew = 0;\n        if (n.node.lastSeen == 0) {\n            isNew = 1;\n            nodes[nodeAddress] = NodeLinkedListItem({\n                node: Node({nodeAddress: nodeAddress, metadata: metadata_, lastSeen: block.timestamp}), // solhint-disable-line not-rely-on-time\n                prev: tailNode, next: address(0)\n            });\n            nodeCount++;\n            if (tailNode != address(0)) {\n                NodeLinkedListItem storage prevNode = nodes[tailNode];\n                prevNode.next = nodeAddress;\n            }\n            if (headNode == address(0)) {\n                headNode = nodeAddress;\n            }\n            tailNode = nodeAddress;\n        } else {\n            n.node.metadata = metadata_;\n            n.node.lastSeen = block.timestamp; // solhint-disable-line not-rely-on-time\n        }\n        emit NodeUpdated(nodeAddress, n.node.metadata, isNew, n.node.lastSeen);\n    }\n\n    function removeNode(address nodeAddress) public onlyOwner {\n        _removeNode(nodeAddress);\n    }\n    function removeNodeSelf() public {\n        _removeNode(msg.sender);\n    }\n    function _removeNode(address nodeAddress) internal {\n        NodeLinkedListItem storage n = nodes[nodeAddress];\n        require(n.node.lastSeen != 0, \"error_notFound\");\n        if(n.prev != address(0)){\n            NodeLinkedListItem storage prevNode = nodes[n.prev];\n            prevNode.next = n.next;\n        }\n        if(n.next != address(0)){\n            NodeLinkedListItem storage nextNode = nodes[n.next];\n            nextNode.prev = n.prev;\n        }\n        nodeCount--;\n        if(nodeAddress == tailNode) {\n            NodeLinkedListItem storage tn = nodes[tailNode];\n            tailNode = tn.prev;\n        }\n        if(nodeAddress == headNode) {\n            NodeLinkedListItem storage hn = nodes[headNode];\n            headNode = hn.next;\n        }\n\n        delete nodes[nodeAddress];\n        emit NodeRemoved(nodeAddress);\n    }\n\n    function whitelistApproveNode(address nodeAddress) public onlyOwner {\n        whitelist[nodeAddress] = WhitelistState.Approved;\n        emit NodeWhitelistApproved(nodeAddress);\n    }\n\n    function whitelistRejectNode(address nodeAddress) public onlyOwner {\n        whitelist[nodeAddress] = WhitelistState.Rejected;\n        emit NodeWhitelistRejected(nodeAddress);\n    }\n\n    function kickOut(address nodeAddress) public onlyOwner {\n        whitelistRejectNode(nodeAddress);\n        removeNode(nodeAddress);\n    }\n\n    function setRequiresWhitelist(bool value) public onlyOwner {\n        requiresWhitelist = value;\n        emit RequiresWhitelistChanged(value);\n    }\n    /*\n        this function is O(N) because we need linked list functionality.\n\n        i=0 is first node\n    */\n\n    function getNodeByNumber(uint i) external view returns (Node memory) {\n        require(i < nodeCount, \"error_indexOutOfBounds\");\n        address currentNodeAddress = headNode;\n        NodeLinkedListItem storage n = nodes[currentNodeAddress];\n        for(uint nodeNum = 1; nodeNum <= i; nodeNum++){\n            currentNodeAddress = n.next;\n            n = nodes[currentNodeAddress];\n        }\n        return n.node;\n    }\n\n    function getNodes() external view returns (Node[] memory) {\n        Node[] memory nodeArray = new Node[](nodeCount);\n        address currentNodeAddress = headNode;\n        for(uint nodeNum = 0; nodeNum < nodeCount; nodeNum++){\n            NodeLinkedListItem storage n = nodes[currentNodeAddress];\n            nodeArray[nodeNum] = n.node;\n            currentNodeAddress = n.next;\n        }\n        return nodeArray;\n    }\n}"},"contracts/NodeRegistry/WeightedNodeRegistry.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\npragma experimental ABIEncoderV2;\n\nimport \"./WeightStrategy.sol\";\nimport \"./NodeRegistry.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\ncontract WeightedNodeRegistry is NodeRegistry {\n    WeightStrategy public strat;\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address owner_, bool requiresWhitelist_, address weightStrategy_, address[] memory initialNodes, string[] memory initialUrls) public initializer {\n       NodeRegistry.initialize(owner_, requiresWhitelist_, initialNodes, initialUrls);\n       strat = WeightStrategy(weightStrategy_);\n    }\n\n    function getWeight(address nodeAddress) public view returns (uint) {\n        return strat.getWeight(nodeAddress);\n    }\n\n    function setWeightStrategy(address weightStrategy_) public onlyOwner {\n       strat = WeightStrategy(weightStrategy_);\n    }\n}"},"contracts/NodeRegistry/WeightStrategy.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n\ninterface WeightStrategy {\n    function getWeight(address nodeAddress) external view returns (uint);\n}"},"contracts/StreamRegistry/ERC2771ContextUpgradeable.sol":{"content":"// SPDX-License-Identifier: MIT\n\n// We forked this from OpenZeppelin's ERC2771ContextUpgradeable.sol and added the _setTrustedForwarder\n// function to be able to set the trusted forwarder address after deployment.\n\npragma solidity ^0.8.0;\n\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/utils/ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\n/**\n * @dev Context variant with ERC2771 support.\n */\nabstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {\n    address private _trustedForwarder;\n\n    // solhint-disable-next-line func-name-mixedcase\n    function __ERC2771Context_init(address trustedForwarder) internal onlyInitializing {\n        __Context_init_unchained();\n        __ERC2771Context_init_unchained(trustedForwarder);\n    }\n\n    // solhint-disable-next-line func-name-mixedcase\n    function __ERC2771Context_init_unchained(address trustedForwarder) internal onlyInitializing {\n        _trustedForwarder = trustedForwarder;\n    }\n\n    function isTrustedForwarder(address forwarder) public view virtual returns (bool) {\n        return forwarder == _trustedForwarder;\n    }\n\n    function _msgSender() internal view virtual override returns (address sender) {\n        if (isTrustedForwarder(msg.sender)) {\n            // The assembly code is more direct than the Solidity version using `abi.decode`.\n            // solhint-disable-next-line no-inline-assembly\n            assembly {\n                sender := shr(96, calldataload(sub(calldatasize(), 20)))\n            }\n        } else {\n            return super._msgSender();\n        }\n    }\n\n    function _msgData() internal view virtual override returns (bytes calldata) {\n        if (isTrustedForwarder(msg.sender)) {\n            return msg.data[:msg.data.length - 20];\n        } else {\n            return super._msgData();\n        }\n    }\n    uint256[49] private __gap;\n\n    function _setTrustedForwarder(address trustedForwarder) internal {\n        _trustedForwarder = trustedForwarder;\n    }\n}\n"},"contracts/StreamRegistry/StreamRegistry.sol":{"content":"/**\n * Deployed on 2021-01-11 to 0x0D483E10612F327FC11965Fc82E90dC19b141641\n * DO NOT EDIT\n * Instead, make a copy with new version number\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\npragma experimental ABIEncoderV2;\n/* solhint-disable not-rely-on-time */\n\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/metatx/ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"../chainlinkClient/ENSCache.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/access/AccessControlUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\ncontract StreamRegistry is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable, AccessControlUpgradeable {\n\n    bytes32 public constant TRUSTED_ROLE = keccak256(\"TRUSTED_ROLE\");\n    uint256 constant public MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;\n\n    event StreamCreated(string id, string metadata);\n    event StreamDeleted(string id);\n    event StreamUpdated(string id, string metadata);\n    event PermissionUpdated(string streamId, address user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant);\n\n    enum PermissionType { Edit, Delete, Publish, Subscribe, Grant }\n\n    struct Permission {\n        bool canEdit;\n        bool canDelete;\n        uint256 publishExpiration;\n        uint256 subscribeExpiration;\n        bool canGrant;\n    }\n\n    // streamid -> keccak256(version, useraddress) -> permission struct above\n    mapping (string => mapping(bytes32 => Permission)) public streamIdToPermissions;\n    mapping (string => string) public streamIdToMetadata;\n    ENSCache private ensCache;\n\n    // incremented when stream is (re-)created, so that users from old streams with same don't re-appear in the new stream (if they have permissions)\n    mapping (string => uint32) private streamIdToVersion;\n\n    modifier hasGrantPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasSharePermissionOrIsRemovingOwn(string calldata streamId, address user) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant ||\n            _msgSender() == user, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasDeletePermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canDelete, \"error_noDeletePermission\"); //||\n        _;\n    }\n    modifier hasEditPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canEdit, \"error_noEditPermission\"); //||\n        _;\n    }\n    modifier streamExists(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        _;\n    }\n    modifier isTrusted() {\n        require(hasRole(TRUSTED_ROLE, _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address ensCacheAddr, address trustedForwarderAddress) public initializer {\n        ensCache = ENSCache(ensCacheAddr);\n        __AccessControl_init();\n        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n    function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) {\n        return super._msgSender();\n    }\n\n    function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) {\n        return super._msgData();\n    }\n\n    function setEnsCache(address ensCacheAddr) public isTrusted() {\n        ensCache = ENSCache(ensCacheAddr);\n    }\n\n    function createStream(string calldata streamIdPath, string calldata metadataJsonString) public {\n        string memory ownerstring = addressToString(_msgSender());\n        _createStreamAndPermission(ownerstring, streamIdPath, metadataJsonString);\n    }\n\n    function createStreamWithENS(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString) public {\n        if (ensCache.owners(ensName) == _msgSender()) {\n            _createStreamAndPermission(ensName, streamIdPath, metadataJsonString);\n        } else {\n            ensCache.requestENSOwnerAndCreateStream(ensName, streamIdPath, metadataJsonString, _msgSender());\n        }\n    }\n\n    function exists(string calldata streamId) public view returns (bool) {\n        return bytes(streamIdToMetadata[streamId]).length != 0;\n    }\n\n    /**\n     * Called by the ENSCache when the lookup / update is complete\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address requestorAddress, string memory ensName, string calldata streamIdPath, string calldata metadataJsonString) public isTrusted() {\n        require(ensCache.owners(ensName) == requestorAddress, \"error_notOwnerOfENSName\");\n        _createStreamAndPermission(ensName, streamIdPath, metadataJsonString);\n    }\n\n    function _createStreamAndPermission(string memory ownerstring, string calldata streamIdPath, string calldata metadataJsonString) internal {\n        require(bytes(metadataJsonString).length != 0, \"error_metadataJsonStringIsEmpty\");\n\n        bytes memory pathBytes = bytes(streamIdPath);\n        for (uint i = 1; i < pathBytes.length; i++) {\n            //       - . / 0 1 2 ... 9\n            require((bytes1(\"-\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"9\")) ||\n            ((bytes1(\"A\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"Z\"))) ||\n            ((bytes1(\"a\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"z\"))) ||\n            pathBytes[i] == \"_\"\n            , \"error_invalidPathChars\");\n        }\n        require(pathBytes[0] == \"/\", \"error_pathMustStartWithSlash\");\n\n        // abi.encodePacked does simple string concatenation here\n        string memory streamId = string(abi.encodePacked(ownerstring, streamIdPath));\n        require(bytes(streamIdToMetadata[streamId]).length == 0, \"error_streamAlreadyExists\");\n\n        streamIdToVersion[streamId] = streamIdToVersion[streamId] + 1;\n        streamIdToMetadata[streamId] = metadataJsonString;\n        streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())] = Permission({\n            canEdit: true,\n            canDelete: true,\n            publishExpiration: MAX_INT,\n            subscribeExpiration: MAX_INT,\n            canGrant: true\n        });\n        emit StreamCreated(streamId, metadataJsonString);\n        emit PermissionUpdated(streamId, _msgSender(), true, true, MAX_INT, MAX_INT, true);\n    }\n\n    function getAddressKey(string memory streamId, address user) public view returns (bytes32) {\n        return keccak256(abi.encode(streamIdToVersion[streamId], user));\n    }\n\n    function updateStreamMetadata(string calldata streamId, string calldata metadata) public streamExists(streamId) hasEditPermission(streamId) {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function getStreamMetadata(string calldata streamId) public view streamExists(streamId) returns (string memory des) {\n        return streamIdToMetadata[streamId];\n    }\n\n    function deleteStream(string calldata streamId) public streamExists(streamId) hasDeletePermission(streamId) {\n        delete streamIdToMetadata[streamId];\n        emit StreamDeleted(streamId);\n    }\n\n    function getPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        permission = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory publicPermission = streamIdToPermissions[streamId][getAddressKey(streamId, address(0))];\n        if (permission.publishExpiration < block.timestamp && publicPermission.publishExpiration >= block.timestamp) {\n            permission.publishExpiration = publicPermission.publishExpiration;\n        }\n        if (permission.subscribeExpiration < block.timestamp && publicPermission.subscribeExpiration >= block.timestamp) {\n            permission.subscribeExpiration = publicPermission.subscribeExpiration;\n        }\n        return permission;\n    }\n\n    function getDirectPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        return streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n    }\n\n    function setPermissionsForUser(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) public hasGrantPermission(streamId) {\n            _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function _setPermissionBooleans(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) private {\n        require(user != address(0) || !(canEdit || deletePerm || canGrant),\n            \"error_publicCanOnlySubsPubl\");\n        streamIdToPermissions[streamId][getAddressKey(streamId, user)] = Permission({\n            canEdit: canEdit,\n            canDelete: deletePerm,\n            publishExpiration: publishExpiration,\n            subscribeExpiration: subscribeExpiration,\n            canGrant: canGrant\n        });\n        emit PermissionUpdated(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function revokeAllPermissionsForUser(string calldata streamId, address user) public hasSharePermissionOrIsRemovingOwn(streamId, user){\n        delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, false, false, 0, 0, false);\n    }\n\n    function hasPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, user, permissionType) ||\n            hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasPublicPermission(string calldata streamId, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasDirectPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        if (permissionType == PermissionType.Edit) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant;\n        }\n    }\n\n    function setPermissions(string calldata streamId, address[] calldata users, Permission[] calldata permissions) public hasGrantPermission(streamId) {\n        require(users.length == permissions.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = users.length;\n        for (uint i=0; i<arrayLength; i++) {\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function grantPermission(string calldata streamId, address user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        _setPermission(streamId, user, permissionType, true);\n    }\n\n    function revokePermission(string calldata streamId, address user, PermissionType permissionType) public hasSharePermissionOrIsRemovingOwn(streamId, user) {\n        _setPermission(streamId, user, permissionType, false);\n    }\n\n    function _setPermission(string calldata streamId, address user, PermissionType permissionType, bool grant) private {\n        require(user != address(0) || permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish,\n            \"error_publicCanOnlySubsPubl\");\n        if (permissionType == PermissionType.Edit) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit = grant;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete = grant;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant = grant;\n        }\n        Permission storage perm = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function setExpirationTime(string calldata streamId, address user, PermissionType permissionType, uint256 expirationTime) public hasGrantPermission(streamId) {\n        require(permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_timeOnlyObPubSub\");\n        if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = expirationTime;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = expirationTime;\n        }\n    }\n\n    function grantPublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        grantPermission(streamId, address(0), permissionType);\n    }\n\n    function revokePublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        revokePermission(streamId, address(0), permissionType);\n    }\n\n    function setPublicPermission(string calldata streamId, uint256 publishExpiration, uint256 subscribeExpiration) public hasGrantPermission(streamId) {\n        setPermissionsForUser(streamId, address(0), false, false, publishExpiration, subscribeExpiration, false);\n    }\n\n    function transferAllPermissionsToUser(string calldata streamId, address recipient) public {\n        Permission memory permSender = streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())];\n        require(permSender.canEdit || permSender.canDelete || permSender.publishExpiration > 0 || permSender.subscribeExpiration > 0 ||\n        permSender.canGrant, \"error_noPermissionToTransfer\");\n        Permission memory permRecipient = streamIdToPermissions[streamId][getAddressKey(streamId, recipient)];\n        uint256 publishExpiration = permSender.publishExpiration > permRecipient.publishExpiration ? permSender.publishExpiration : permRecipient.publishExpiration;\n        uint256 subscribeExpiration = permSender.subscribeExpiration > permRecipient.subscribeExpiration ? permSender.subscribeExpiration : permRecipient.subscribeExpiration;\n        _setPermissionBooleans(streamId, recipient, permSender.canEdit || permRecipient.canEdit, permSender.canDelete || permRecipient.canDelete,\n        publishExpiration, subscribeExpiration, permSender.canGrant || permRecipient.canGrant);\n        _setPermissionBooleans(streamId, _msgSender(), false, false, 0, 0, false);\n    }\n\n    function transferPermissionToUser(string calldata streamId, address recipient, PermissionType permissionType) public {\n        require(hasDirectPermission(streamId, _msgSender(), permissionType), \"error_noPermissionToTransfer\");\n        _setPermission(streamId, _msgSender(), permissionType, false);\n        _setPermission(streamId, recipient, permissionType, true);\n    }\n\n    function trustedSetStreamMetadata(string calldata streamId, string calldata metadata) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedSetStreamWithPermission(\n        string calldata streamId,\n        string calldata metadata,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedSetPermissionsForUser(\n        string calldata streamId,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function trustedSetStreams(string[] calldata streamids, address[] calldata users, string[] calldata metadatas, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            streamIdToMetadata[streamId] = metadatas[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit StreamCreated(streamId, metadatas[i]);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function addressToString(address _address) public pure returns(string memory) {\n       bytes32 _bytes = bytes32(uint256(uint160(_address)));\n       bytes memory _hex = \"0123456789abcdef\";\n       bytes memory _string = new bytes(42);\n       _string[0] = \"0\";\n       _string[1] = \"x\";\n       for(uint i = 0; i < 20; i++) {\n           _string[2+i*2] = _hex[uint8(_bytes[i + 12] >> 4)];\n           _string[3+i*2] = _hex[uint8(_bytes[i + 12] & 0x0f)];\n       }\n       return string(_string);\n    }\n\n    function getTrustedRole() public pure returns (bytes32) {\n        return TRUSTED_ROLE;\n    }\n}\n"},"contracts/StreamRegistry/StreamRegistryV2.sol":{"content":"/**\n * Upgraded on: 2021-01-12\n * DO NOT EDIT\n * Instead, make a copy with new version number\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\npragma experimental ABIEncoderV2;\n/* solhint-disable not-rely-on-time */\n\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/metatx/ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"../chainlinkClient/ENSCache.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/access/AccessControlUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\ncontract StreamRegistryV2 is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable, AccessControlUpgradeable {\n\n    bytes32 public constant TRUSTED_ROLE = keccak256(\"TRUSTED_ROLE\");\n    uint256 constant public MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;\n\n    event StreamCreated(string id, string metadata);\n    event StreamDeleted(string id);\n    event StreamUpdated(string id, string metadata);\n    event PermissionUpdated(string streamId, address user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant);\n\n    enum PermissionType { Edit, Delete, Publish, Subscribe, Grant }\n\n    struct Permission {\n        bool canEdit;\n        bool canDelete;\n        uint256 publishExpiration;\n        uint256 subscribeExpiration;\n        bool canGrant;\n    }\n\n    // streamid -> keccak256(version, useraddress) -> permission struct above\n    mapping (string => mapping(bytes32 => Permission)) public streamIdToPermissions;\n    mapping (string => string) public streamIdToMetadata;\n    ENSCache private ensCache;\n\n    // incremented when stream is (re-)created, so that users from old streams with same don't re-appear in the new stream (if they have permissions)\n    mapping (string => uint32) private streamIdToVersion;\n\n    modifier hasGrantPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasSharePermissionOrIsRemovingOwn(string calldata streamId, address user) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant ||\n            _msgSender() == user, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasDeletePermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canDelete, \"error_noDeletePermission\"); //||\n        _;\n    }\n    modifier hasEditPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canEdit, \"error_noEditPermission\"); //||\n        _;\n    }\n    modifier streamExists(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        _;\n    }\n    modifier isTrusted() {\n        require(hasRole(TRUSTED_ROLE, _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address ensCacheAddr, address trustedForwarderAddress) public initializer {\n        ensCache = ENSCache(ensCacheAddr);\n        __AccessControl_init();\n        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n\n     function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) {\n        return super._msgSender();\n    }\n\n    function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) {\n        return super._msgData();\n    }\n\n    function setEnsCache(address ensCacheAddr) public isTrusted() {\n        ensCache = ENSCache(ensCacheAddr);\n    }\n\n    function createStream(string calldata streamIdPath, string calldata metadataJsonString) public {\n        string memory ownerstring = addressToString(_msgSender());\n        _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n    }\n\n    function createStreamWithENS(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString) public {\n        if (ensCache.owners(ensName) == _msgSender()) {\n            _createStreamAndPermission(_msgSender(), ensName, streamIdPath, metadataJsonString);\n        } else {\n            ensCache.requestENSOwnerAndCreateStream(ensName, streamIdPath, metadataJsonString, _msgSender());\n        }\n    }\n\n    function exists(string calldata streamId) public view returns (bool) {\n        return bytes(streamIdToMetadata[streamId]).length != 0;\n    }\n\n    /**\n     * Called by the ENSCache when the lookup / update is complete\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address ownerAddress, string memory ensName, string calldata streamIdPath, string calldata metadataJsonString) public isTrusted() {\n        require(ensCache.owners(ensName) == ownerAddress, \"error_notOwnerOfENSName\");\n        _createStreamAndPermission(ownerAddress, ensName, streamIdPath, metadataJsonString);\n    }\n\n    function _createStreamAndPermission(address ownerAddress, string memory ownerstring, string calldata streamIdPath, string calldata metadataJsonString) internal {\n        require(bytes(metadataJsonString).length != 0, \"error_metadataJsonStringIsEmpty\");\n\n        bytes memory pathBytes = bytes(streamIdPath);\n        for (uint i = 1; i < pathBytes.length; i++) {\n            //       - . / 0 1 2 ... 9\n            require((bytes1(\"-\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"9\")) ||\n            ((bytes1(\"A\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"Z\"))) ||\n            ((bytes1(\"a\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"z\"))) ||\n            pathBytes[i] == \"_\"\n            , \"error_invalidPathChars\");\n        }\n        require(pathBytes[0] == \"/\", \"error_pathMustStartWithSlash\");\n\n        // abi.encodePacked does simple string concatenation here\n        string memory streamId = string(abi.encodePacked(ownerstring, streamIdPath));\n        require(bytes(streamIdToMetadata[streamId]).length == 0, \"error_streamAlreadyExists\");\n\n        streamIdToVersion[streamId] = streamIdToVersion[streamId] + 1;\n        streamIdToMetadata[streamId] = metadataJsonString;\n        streamIdToPermissions[streamId][getAddressKey(streamId, ownerAddress)] = Permission({\n            canEdit: true,\n            canDelete: true,\n            publishExpiration: MAX_INT,\n            subscribeExpiration: MAX_INT,\n            canGrant: true\n        });\n        emit StreamCreated(streamId, metadataJsonString);\n        emit PermissionUpdated(streamId, ownerAddress, true, true, MAX_INT, MAX_INT, true);\n    }\n\n    function getAddressKey(string memory streamId, address user) public view returns (bytes32) {\n        return keccak256(abi.encode(streamIdToVersion[streamId], user));\n    }\n\n    function updateStreamMetadata(string calldata streamId, string calldata metadata) public streamExists(streamId) hasEditPermission(streamId) {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function getStreamMetadata(string calldata streamId) public view streamExists(streamId) returns (string memory des) {\n        return streamIdToMetadata[streamId];\n    }\n\n    function deleteStream(string calldata streamId) public streamExists(streamId) hasDeletePermission(streamId) {\n        delete streamIdToMetadata[streamId];\n        emit StreamDeleted(streamId);\n    }\n\n    function getPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        permission = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory publicPermission = streamIdToPermissions[streamId][getAddressKey(streamId, address(0))];\n        if (permission.publishExpiration < block.timestamp && publicPermission.publishExpiration >= block.timestamp) {\n            permission.publishExpiration = publicPermission.publishExpiration;\n        }\n        if (permission.subscribeExpiration < block.timestamp && publicPermission.subscribeExpiration >= block.timestamp) {\n            permission.subscribeExpiration = publicPermission.subscribeExpiration;\n        }\n        return permission;\n    }\n\n    function getDirectPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        return streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n    }\n\n    function setPermissionsForUser(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) public hasGrantPermission(streamId) {\n            _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function _setPermissionBooleans(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) private {\n        require(user != address(0) || !(canEdit || deletePerm || canGrant),\n            \"error_publicCanOnlySubsPubl\");\n        streamIdToPermissions[streamId][getAddressKey(streamId, user)] = Permission({\n            canEdit: canEdit,\n            canDelete: deletePerm,\n            publishExpiration: publishExpiration,\n            subscribeExpiration: subscribeExpiration,\n            canGrant: canGrant\n        });\n        emit PermissionUpdated(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function revokeAllPermissionsForUser(string calldata streamId, address user) public hasSharePermissionOrIsRemovingOwn(streamId, user){\n        delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, false, false, 0, 0, false);\n    }\n\n    function hasPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, user, permissionType) ||\n            hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasPublicPermission(string calldata streamId, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasDirectPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        if (permissionType == PermissionType.Edit) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant;\n        }\n    }\n\n    function setPermissions(string calldata streamId, address[] calldata users, Permission[] calldata permissions) public hasGrantPermission(streamId) {\n        require(users.length == permissions.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = users.length;\n        for (uint i=0; i<arrayLength; i++) {\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function grantPermission(string calldata streamId, address user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        _setPermission(streamId, user, permissionType, true);\n    }\n\n    function revokePermission(string calldata streamId, address user, PermissionType permissionType) public hasSharePermissionOrIsRemovingOwn(streamId, user) {\n        _setPermission(streamId, user, permissionType, false);\n    }\n\n    function _setPermission(string calldata streamId, address user, PermissionType permissionType, bool grant) private {\n        require(user != address(0) || permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish,\n            \"error_publicCanOnlySubsPubl\");\n        if (permissionType == PermissionType.Edit) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit = grant;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete = grant;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant = grant;\n        }\n        Permission storage perm = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function setExpirationTime(string calldata streamId, address user, PermissionType permissionType, uint256 expirationTime) public hasGrantPermission(streamId) {\n        require(permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_timeOnlyObPubSub\");\n        if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = expirationTime;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = expirationTime;\n        }\n    }\n\n    function grantPublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        grantPermission(streamId, address(0), permissionType);\n    }\n\n    function revokePublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        revokePermission(streamId, address(0), permissionType);\n    }\n\n    function setPublicPermission(string calldata streamId, uint256 publishExpiration, uint256 subscribeExpiration) public hasGrantPermission(streamId) {\n        setPermissionsForUser(streamId, address(0), false, false, publishExpiration, subscribeExpiration, false);\n    }\n\n    function transferAllPermissionsToUser(string calldata streamId, address recipient) public {\n        Permission memory permSender = streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())];\n        require(permSender.canEdit || permSender.canDelete || permSender.publishExpiration > 0 || permSender.subscribeExpiration > 0 ||\n        permSender.canGrant, \"error_noPermissionToTransfer\");\n        Permission memory permRecipient = streamIdToPermissions[streamId][getAddressKey(streamId, recipient)];\n        uint256 publishExpiration = permSender.publishExpiration > permRecipient.publishExpiration ? permSender.publishExpiration : permRecipient.publishExpiration;\n        uint256 subscribeExpiration = permSender.subscribeExpiration > permRecipient.subscribeExpiration ? permSender.subscribeExpiration : permRecipient.subscribeExpiration;\n        _setPermissionBooleans(streamId, recipient, permSender.canEdit || permRecipient.canEdit, permSender.canDelete || permRecipient.canDelete,\n        publishExpiration, subscribeExpiration, permSender.canGrant || permRecipient.canGrant);\n        _setPermissionBooleans(streamId, _msgSender(), false, false, 0, 0, false);\n    }\n\n    function transferPermissionToUser(string calldata streamId, address recipient, PermissionType permissionType) public {\n        require(hasDirectPermission(streamId, _msgSender(), permissionType), \"error_noPermissionToTransfer\");\n        _setPermission(streamId, _msgSender(), permissionType, false);\n        _setPermission(streamId, recipient, permissionType, true);\n    }\n\n    function trustedSetStreamMetadata(string calldata streamId, string calldata metadata) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedSetStreamWithPermission(\n        string calldata streamId,\n        string calldata metadata,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedSetPermissionsForUser(\n        string calldata streamId,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function trustedSetStreams(string[] calldata streamids, address[] calldata users, string[] calldata metadatas, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            streamIdToMetadata[streamId] = metadatas[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit StreamCreated(streamId, metadatas[i]);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function addressToString(address _address) public pure returns(string memory) {\n       bytes32 _bytes = bytes32(uint256(uint160(_address)));\n       bytes memory _hex = \"0123456789abcdef\";\n       bytes memory _string = new bytes(42);\n       _string[0] = \"0\";\n       _string[1] = \"x\";\n       for(uint i = 0; i < 20; i++) {\n           _string[2+i*2] = _hex[uint8(_bytes[i + 12] >> 4)];\n           _string[3+i*2] = _hex[uint8(_bytes[i + 12] & 0x0f)];\n       }\n       return string(_string);\n    }\n\n    function getTrustedRole() public pure returns (bytes32) {\n        return TRUSTED_ROLE;\n    }\n}\n"},"contracts/StreamRegistry/StreamRegistryV3.sol":{"content":"/**\n * Upgraded on: 2021-02-16\n * https://polygonscan.com/tx/0x47536e57cf8db693627438373635b22fa471311acdc79be234e9fa959f7f6a62\n * DO NOT EDIT\n * Instead, make a copy with new version number\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\npragma experimental ABIEncoderV2;\n/* solhint-disable not-rely-on-time */\n\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/metatx/ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"../chainlinkClient/ENSCache.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/access/AccessControlUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\ncontract StreamRegistryV3 is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable, AccessControlUpgradeable {\n\n    bytes32 public constant TRUSTED_ROLE = keccak256(\"TRUSTED_ROLE\");\n    uint256 constant public MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;\n\n    event StreamCreated(string id, string metadata);\n    event StreamDeleted(string id);\n    event StreamUpdated(string id, string metadata);\n    event PermissionUpdated(string streamId, address user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant);\n\n    enum PermissionType { Edit, Delete, Publish, Subscribe, Grant }\n\n    struct Permission {\n        bool canEdit;\n        bool canDelete;\n        uint256 publishExpiration;\n        uint256 subscribeExpiration;\n        bool canGrant;\n    }\n\n    // streamid -> keccak256(version, useraddress) -> permission struct above\n    mapping (string => mapping(bytes32 => Permission)) public streamIdToPermissions;\n    mapping (string => string) public streamIdToMetadata;\n    ENSCache private ensCache;\n\n    // incremented when stream is (re-)created, so that users from old streams with same don't re-appear in the new stream (if they have permissions)\n    mapping (string => uint32) private streamIdToVersion;\n\n    modifier hasGrantPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasSharePermissionOrIsRemovingOwn(string calldata streamId, address user) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant ||\n            _msgSender() == user, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasDeletePermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canDelete, \"error_noDeletePermission\"); //||\n        _;\n    }\n    modifier hasEditPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canEdit, \"error_noEditPermission\"); //||\n        _;\n    }\n    modifier streamExists(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        _;\n    }\n    modifier isTrusted() {\n        require(hasRole(TRUSTED_ROLE, _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address ensCacheAddr, address trustedForwarderAddress) public initializer {\n        ensCache = ENSCache(ensCacheAddr);\n        __AccessControl_init();\n        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n\n     function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) {\n        return super._msgSender();\n    }\n\n    function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) {\n        return super._msgData();\n    }\n\n    function setEnsCache(address ensCacheAddr) public isTrusted() {\n        ensCache = ENSCache(ensCacheAddr);\n    }\n\n    function createStream(string calldata streamIdPath, string calldata metadataJsonString) public {\n        string memory ownerstring = addressToString(_msgSender());\n        _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n    }\n\n    function createStreamWithENS(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString) public {\n        if (ensCache.owners(ensName) == _msgSender()) {\n            _createStreamAndPermission(_msgSender(), ensName, streamIdPath, metadataJsonString);\n        } else {\n            ensCache.requestENSOwnerAndCreateStream(ensName, streamIdPath, metadataJsonString, _msgSender());\n        }\n    }\n\n    function exists(string calldata streamId) public view returns (bool) {\n        return bytes(streamIdToMetadata[streamId]).length != 0;\n    }\n\n    /**\n     * Called by the ENSCache when the lookup / update is complete\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address ownerAddress, string memory ensName, string calldata streamIdPath, string calldata metadataJsonString) public isTrusted() {\n        require(ensCache.owners(ensName) == ownerAddress, \"error_notOwnerOfENSName\");\n        _createStreamAndPermission(ownerAddress, ensName, streamIdPath, metadataJsonString);\n    }\n\n    function _createStreamAndPermission(address ownerAddress, string memory ownerstring, string calldata streamIdPath, string calldata metadataJsonString) internal {\n        require(bytes(metadataJsonString).length != 0, \"error_metadataJsonStringIsEmpty\");\n\n        bytes memory pathBytes = bytes(streamIdPath);\n        for (uint i = 1; i < pathBytes.length; i++) {\n            //       - . / 0 1 2 ... 9\n            require((bytes1(\"-\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"9\")) ||\n            ((bytes1(\"A\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"Z\"))) ||\n            ((bytes1(\"a\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"z\"))) ||\n            pathBytes[i] == \"_\"\n            , \"error_invalidPathChars\");\n        }\n        require(pathBytes[0] == \"/\", \"error_pathMustStartWithSlash\");\n\n        // abi.encodePacked does simple string concatenation here\n        string memory streamId = string(abi.encodePacked(ownerstring, streamIdPath));\n        require(bytes(streamIdToMetadata[streamId]).length == 0, \"error_streamAlreadyExists\");\n\n        streamIdToVersion[streamId] = streamIdToVersion[streamId] + 1;\n        streamIdToMetadata[streamId] = metadataJsonString;\n        streamIdToPermissions[streamId][getAddressKey(streamId, ownerAddress)] = Permission({\n            canEdit: true,\n            canDelete: true,\n            publishExpiration: MAX_INT,\n            subscribeExpiration: MAX_INT,\n            canGrant: true\n        });\n        emit StreamCreated(streamId, metadataJsonString);\n        emit PermissionUpdated(streamId, ownerAddress, true, true, MAX_INT, MAX_INT, true);\n    }\n\n    function getAddressKey(string memory streamId, address user) public view returns (bytes32) {\n        return keccak256(abi.encode(streamIdToVersion[streamId], user));\n    }\n\n    function updateStreamMetadata(string calldata streamId, string calldata metadata) public streamExists(streamId) hasEditPermission(streamId) {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function getStreamMetadata(string calldata streamId) public view streamExists(streamId) returns (string memory des) {\n        return streamIdToMetadata[streamId];\n    }\n\n    function deleteStream(string calldata streamId) public streamExists(streamId) hasDeletePermission(streamId) {\n        delete streamIdToMetadata[streamId];\n        emit StreamDeleted(streamId);\n    }\n\n    function getPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        permission = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory publicPermission = streamIdToPermissions[streamId][getAddressKey(streamId, address(0))];\n        if (permission.publishExpiration < block.timestamp && publicPermission.publishExpiration >= block.timestamp) {\n            permission.publishExpiration = publicPermission.publishExpiration;\n        }\n        if (permission.subscribeExpiration < block.timestamp && publicPermission.subscribeExpiration >= block.timestamp) {\n            permission.subscribeExpiration = publicPermission.subscribeExpiration;\n        }\n        return permission;\n    }\n\n    function getDirectPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        return streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n    }\n\n    function setPermissionsForUser(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) public hasGrantPermission(streamId) {\n            _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function _setPermissionBooleans(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) private {\n        require(user != address(0) || !(canEdit || deletePerm || canGrant),\n            \"error_publicCanOnlySubsPubl\");\n        Permission memory perm = Permission({\n            canEdit: canEdit,\n            canDelete: deletePerm,\n            publishExpiration: publishExpiration,\n            subscribeExpiration: subscribeExpiration,\n            canGrant: canGrant\n        });\n        streamIdToPermissions[streamId][getAddressKey(streamId, user)] = perm;\n        _cleanUpIfAllFalse(streamId, user, perm);\n        emit PermissionUpdated(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function revokeAllPermissionsForUser(string calldata streamId, address user) public hasSharePermissionOrIsRemovingOwn(streamId, user){\n        delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, false, false, 0, 0, false);\n    }\n\n    function hasPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, user, permissionType) ||\n            hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasPublicPermission(string calldata streamId, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasDirectPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        if (permissionType == PermissionType.Edit) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant;\n        }\n    }\n\n    function setPermissions(string calldata streamId, address[] calldata users, Permission[] calldata permissions) public hasGrantPermission(streamId) {\n        require(users.length == permissions.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = users.length;\n        for (uint i=0; i<arrayLength; i++) {\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function setPermissionsMultipleStreans(string[] calldata streamIds, address[][] calldata users, Permission[][] calldata permissions) public {\n        require(users.length == permissions.length && permissions.length == streamIds.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = streamIds.length;\n        for (uint i=0; i<arrayLength; i++) {\n            setPermissions(streamIds[i], users[i], permissions[i]);\n        }\n    }\n\n    function grantPermission(string calldata streamId, address user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        _setPermission(streamId, user, permissionType, true);\n    }\n\n    function revokePermission(string calldata streamId, address user, PermissionType permissionType) public hasSharePermissionOrIsRemovingOwn(streamId, user) {\n        _setPermission(streamId, user, permissionType, false);\n    }\n\n    function _setPermission(string calldata streamId, address user, PermissionType permissionType, bool grant) private {\n        require(user != address(0) || permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish,\n            \"error_publicCanOnlySubsPubl\");\n        if (permissionType == PermissionType.Edit) {\n           streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit = grant;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete = grant;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant = grant;\n        }\n        Permission memory perm = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        _cleanUpIfAllFalse(streamId, user, perm);\n        emit PermissionUpdated(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function _cleanUpIfAllFalse(string calldata streamId, address user, Permission memory perm) private {\n        if (!perm.canEdit && !perm.canDelete && !perm.canGrant && perm.publishExpiration < block.timestamp && perm.subscribeExpiration < block.timestamp) {\n            delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        }\n    }\n\n    function setExpirationTime(string calldata streamId, address user, PermissionType permissionType, uint256 expirationTime) public hasGrantPermission(streamId) {\n        require(permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_timeOnlyObPubSub\");\n        if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = expirationTime;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = expirationTime;\n        }\n    }\n\n    function grantPublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        grantPermission(streamId, address(0), permissionType);\n    }\n\n    function revokePublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        revokePermission(streamId, address(0), permissionType);\n    }\n\n    function setPublicPermission(string calldata streamId, uint256 publishExpiration, uint256 subscribeExpiration) public hasGrantPermission(streamId) {\n        setPermissionsForUser(streamId, address(0), false, false, publishExpiration, subscribeExpiration, false);\n    }\n\n    function transferAllPermissionsToUser(string calldata streamId, address recipient) public {\n        Permission memory permSender = streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())];\n        require(permSender.canEdit || permSender.canDelete || permSender.publishExpiration > 0 || permSender.subscribeExpiration > 0 ||\n        permSender.canGrant, \"error_noPermissionToTransfer\");\n        Permission memory permRecipient = streamIdToPermissions[streamId][getAddressKey(streamId, recipient)];\n        uint256 publishExpiration = permSender.publishExpiration > permRecipient.publishExpiration ? permSender.publishExpiration : permRecipient.publishExpiration;\n        uint256 subscribeExpiration = permSender.subscribeExpiration > permRecipient.subscribeExpiration ? permSender.subscribeExpiration : permRecipient.subscribeExpiration;\n        _setPermissionBooleans(streamId, recipient, permSender.canEdit || permRecipient.canEdit, permSender.canDelete || permRecipient.canDelete,\n        publishExpiration, subscribeExpiration, permSender.canGrant || permRecipient.canGrant);\n        _setPermissionBooleans(streamId, _msgSender(), false, false, 0, 0, false);\n    }\n\n    function transferPermissionToUser(string calldata streamId, address recipient, PermissionType permissionType) public {\n        require(hasDirectPermission(streamId, _msgSender(), permissionType), \"error_noPermissionToTransfer\");\n        _setPermission(streamId, _msgSender(), permissionType, false);\n        _setPermission(streamId, recipient, permissionType, true);\n    }\n\n    function trustedSetStreamMetadata(string calldata streamId, string calldata metadata) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedCreateStreams(string[] calldata streamIds, string[] calldata metadatas) public isTrusted() {\n        uint arrayLength = streamIds.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            streamIdToMetadata[streamIds[i]] = metadatas[i];\n            emit StreamUpdated(streamIds[i], metadatas[i]);\n        }\n    }\n\n    function trustedSetStreamWithPermission(\n        string calldata streamId,\n        string calldata metadata,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedSetPermissionsForUser(\n        string calldata streamId,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function trustedSetStreams(string[] calldata streamids, address[] calldata users, string[] calldata metadatas, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            streamIdToMetadata[streamId] = metadatas[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit StreamCreated(streamId, metadatas[i]);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function trustedSetPermissions(string[] calldata streamids, address[] calldata users, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function addressToString(address _address) public pure returns(string memory) {\n       bytes32 _bytes = bytes32(uint256(uint160(_address)));\n       bytes memory _hex = \"0123456789abcdef\";\n       bytes memory _string = new bytes(42);\n       _string[0] = \"0\";\n       _string[1] = \"x\";\n       for(uint i = 0; i < 20; i++) {\n           _string[2+i*2] = _hex[uint8(_bytes[i + 12] >> 4)];\n           _string[3+i*2] = _hex[uint8(_bytes[i + 12] & 0x0f)];\n       }\n       return string(_string);\n    }\n\n    function getTrustedRole() public pure returns (bytes32) {\n        return TRUSTED_ROLE;\n    }\n}\n"},"contracts/StreamRegistry/StreamRegistryV4_1.sol":{"content":"/**\n * Polygon deployment tx hash: TODO\n *\n * Changes in V4_1:\n * - bugfix: setExpirationTime emits PermissionUpdated correctly\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n/* solhint-disable not-rely-on-time */\n\nimport \"./ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"../chainlinkClient/ENSCache.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/access/AccessControlUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\n// solhint-disable-next-line contract-name-camelcase\ncontract StreamRegistryV4_1 is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable, AccessControlUpgradeable {\n\n    bytes32 public constant TRUSTED_ROLE = keccak256(\"TRUSTED_ROLE\");\n    uint256 constant public MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;\n\n    event StreamCreated(string id, string metadata);\n    event StreamDeleted(string id);\n    event StreamUpdated(string id, string metadata);\n    event PermissionUpdated(string streamId, address user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant);\n\n    enum PermissionType { Edit, Delete, Publish, Subscribe, Grant }\n\n    struct Permission {\n        bool canEdit;\n        bool canDelete;\n        uint256 publishExpiration;\n        uint256 subscribeExpiration;\n        bool canGrant;\n    }\n\n    // streamid -> keccak256(version, useraddress) -> permission struct above\n    mapping (string => mapping(bytes32 => Permission)) public streamIdToPermissions;\n    mapping (string => string) public streamIdToMetadata;\n    ENSCache private ensCache;\n\n    // incremented when stream is (re-)created, so that users from old streams with same don't re-appear in the new stream (if they have permissions)\n    mapping (string => uint32) private streamIdToVersion;\n\n    modifier hasGrantPermission(string memory streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasSharePermissionOrIsRemovingOwn(string calldata streamId, address user) {\n        require(\n            streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant\n            || _msgSender() == user,\n            \"error_noSharePermission\"\n        );\n        _;\n    }\n    modifier hasDeletePermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canDelete, \"error_noDeletePermission\"); //||\n        _;\n    }\n    modifier hasEditPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canEdit, \"error_noEditPermission\"); //||\n        _;\n    }\n    modifier streamExists(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        _;\n    }\n    modifier isTrusted() {\n        require(hasRole(TRUSTED_ROLE, _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address ensCacheAddr, address trustedForwarderAddress) public initializer {\n        ensCache = ENSCache(ensCacheAddr);\n        __AccessControl_init();\n        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n    function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) {\n        return super._msgSender();\n    }\n\n    function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) {\n        return super._msgData();\n    }\n\n    function setEnsCache(address ensCacheAddr) public isTrusted() {\n        ensCache = ENSCache(ensCacheAddr);\n    }\n\n    function createStream(string calldata streamIdPath, string calldata metadataJsonString) public {\n        string memory ownerstring = addressToString(_msgSender());\n        _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n    }\n\n    function createStreamWithENS(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString) public {\n        if (ensCache.owners(ensName) == _msgSender()) {\n            _createStreamAndPermission(_msgSender(), ensName, streamIdPath, metadataJsonString);\n        } else {\n            ensCache.requestENSOwnerAndCreateStream(ensName, streamIdPath, metadataJsonString, _msgSender());\n        }\n    }\n\n    function createStreamWithPermissions(string calldata streamIdPath, string calldata metadataJsonString, address[] calldata users, Permission[] calldata permissions) public {\n        string memory ownerstring = addressToString(_msgSender());\n        string memory streamId = _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n        // external call so that memry is copied into calldata\n        setPermissions(streamId, users, permissions);\n    }\n\n    function createMultipleStreamsWithPermissions(string[] calldata streamIdPaths, string[] calldata metadataJsonStrings, address[][] calldata users, Permission[][] calldata permissions) public {\n        for (uint i = 0; i < streamIdPaths.length; i++) {\n            createStreamWithPermissions(streamIdPaths[i], metadataJsonStrings[i], users[i], permissions[i]);\n        }\n    }\n\n    function exists(string calldata streamId) public view returns (bool) {\n        return bytes(streamIdToMetadata[streamId]).length != 0;\n    }\n\n    /**\n     * Called by the ENSCache when the lookup / update is complete\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address ownerAddress, string memory ensName, string calldata streamIdPath, string calldata metadataJsonString) public isTrusted() {\n        require(ensCache.owners(ensName) == ownerAddress, \"error_notOwnerOfENSName\");\n        _createStreamAndPermission(ownerAddress, ensName, streamIdPath, metadataJsonString);\n    }\n\n    function _createStreamAndPermission(address ownerAddress, string memory ownerstring, string calldata streamIdPath, string calldata metadataJsonString) internal returns (string memory) {\n        require(bytes(metadataJsonString).length != 0, \"error_metadataJsonStringIsEmpty\");\n\n        bytes memory pathBytes = bytes(streamIdPath);\n        for (uint i = 1; i < pathBytes.length; i++) {\n            //       - . / 0 1 2 ... 9\n            require((bytes1(\"-\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"9\")) ||\n            ((bytes1(\"A\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"Z\"))) ||\n            ((bytes1(\"a\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"z\"))) ||\n            pathBytes[i] == \"_\"\n            , \"error_invalidPathChars\");\n        }\n        require(pathBytes[0] == \"/\", \"error_pathMustStartWithSlash\");\n\n        // abi.encodePacked does simple string concatenation here\n        string memory streamId = string(abi.encodePacked(ownerstring, streamIdPath));\n        require(bytes(streamIdToMetadata[streamId]).length == 0, \"error_streamAlreadyExists\");\n\n        streamIdToVersion[streamId] = streamIdToVersion[streamId] + 1;\n        streamIdToMetadata[streamId] = metadataJsonString;\n        streamIdToPermissions[streamId][getAddressKey(streamId, ownerAddress)] = Permission({\n            canEdit: true,\n            canDelete: true,\n            publishExpiration: MAX_INT,\n            subscribeExpiration: MAX_INT,\n            canGrant: true\n        });\n        emit StreamCreated(streamId, metadataJsonString);\n        emit PermissionUpdated(streamId, ownerAddress, true, true, MAX_INT, MAX_INT, true);\n        return streamId;\n    }\n\n    function getAddressKey(string memory streamId, address user) public view returns (bytes32) {\n        return keccak256(abi.encode(streamIdToVersion[streamId], user));\n    }\n\n    function updateStreamMetadata(string calldata streamId, string calldata metadata) public streamExists(streamId) hasEditPermission(streamId) {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function getStreamMetadata(string calldata streamId) public view streamExists(streamId) returns (string memory des) {\n        return streamIdToMetadata[streamId];\n    }\n\n    function deleteStream(string calldata streamId) public streamExists(streamId) hasDeletePermission(streamId) {\n        delete streamIdToMetadata[streamId];\n        emit StreamDeleted(streamId);\n    }\n\n    /**\n     * Get user's permissions to stream.\n     * For publish/subscribe expiration, if public permission has a longer validity, use that.\n     **/\n    function getPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        permission = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory publicPermission = streamIdToPermissions[streamId][getAddressKey(streamId, address(0))];\n        if (permission.publishExpiration < block.timestamp && publicPermission.publishExpiration >= block.timestamp) {\n            permission.publishExpiration = publicPermission.publishExpiration;\n        }\n        if (permission.subscribeExpiration < block.timestamp && publicPermission.subscribeExpiration >= block.timestamp) {\n            permission.subscribeExpiration = publicPermission.subscribeExpiration;\n        }\n        return permission;\n    }\n\n    function getDirectPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        return streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n    }\n\n    function setPermissionsForUser(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) public hasGrantPermission(streamId) {\n            _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function _setPermissionBooleans(string memory streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) private {\n        require(user != address(0) || !(canEdit || deletePerm || canGrant),\n            \"error_publicCanOnlySubsPubl\");\n        Permission memory perm = Permission({\n            canEdit: canEdit,\n            canDelete: deletePerm,\n            publishExpiration: publishExpiration,\n            subscribeExpiration: subscribeExpiration,\n            canGrant: canGrant\n        });\n        streamIdToPermissions[streamId][getAddressKey(streamId, user)] = perm;\n        _cleanUpIfAllFalse(streamId, user, perm);\n        emit PermissionUpdated(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function revokeAllPermissionsForUser(string calldata streamId, address user) public hasSharePermissionOrIsRemovingOwn(streamId, user){\n        delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, false, false, 0, 0, false);\n    }\n\n    function hasPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, user, permissionType) ||\n            hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasPublicPermission(string calldata streamId, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasDirectPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        if (permissionType == PermissionType.Edit) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit;\n        } else if (permissionType == PermissionType.Delete) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete;\n        } else if (permissionType == PermissionType.Publish) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration >= block.timestamp;\n        } else if (permissionType == PermissionType.Subscribe) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration >= block.timestamp;\n        } else if (permissionType == PermissionType.Grant) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant;\n        }\n    }\n\n    function setPermissions(string memory streamId, address[] calldata users, Permission[] calldata permissions) public hasGrantPermission(streamId) {\n        require(users.length == permissions.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = users.length;\n        for (uint i=0; i<arrayLength; i++) {\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            // emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    // legacy typoed method name\n    function setPermissionsMultipleStreans(string[] calldata streamIds, address[][] calldata users, Permission[][] calldata permissions) public {\n        setPermissionsMultipleStreams(streamIds, users, permissions);\n    }\n\n    function setPermissionsMultipleStreams(string[] calldata streamIds, address[][] calldata users, Permission[][] calldata permissions) public {\n        require(users.length == permissions.length && permissions.length == streamIds.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = streamIds.length;\n        for (uint i=0; i<arrayLength; i++) {\n            setPermissions(streamIds[i], users[i], permissions[i]);\n        }\n    }\n\n    function grantPermission(string calldata streamId, address user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        _setPermission(streamId, user, permissionType, true);\n    }\n\n    function revokePermission(string calldata streamId, address user, PermissionType permissionType) public hasSharePermissionOrIsRemovingOwn(streamId, user) {\n        _setPermission(streamId, user, permissionType, false);\n    }\n\n    function _setPermission(string calldata streamId, address user, PermissionType permissionType, bool grant) private {\n        require(user != address(0) || permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish,\n            \"error_publicCanOnlySubsPubl\");\n        if (permissionType == PermissionType.Edit) {\n           streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit = grant;\n        } else if (permissionType == PermissionType.Delete) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete = grant;\n        } else if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = grant ? MAX_INT : 0;\n        } else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = grant ? MAX_INT : 0;\n        } else if (permissionType == PermissionType.Grant) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant = grant;\n        }\n        Permission memory perm = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        _cleanUpIfAllFalse(streamId, user, perm);\n        emit PermissionUpdated(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function _cleanUpIfAllFalse(string memory streamId, address user, Permission memory perm) private {\n        if (!perm.canEdit && !perm.canDelete && !perm.canGrant && perm.publishExpiration < block.timestamp && perm.subscribeExpiration < block.timestamp) {\n            delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        }\n    }\n\n    function setExpirationTime(string calldata streamId, address user, PermissionType permissionType, uint256 expirationTime) public hasGrantPermission(streamId) {\n        require(permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_timeOnlyObPubSub\");\n        Permission storage perm = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory p = perm;\n        if (permissionType == PermissionType.Publish) {\n            perm.publishExpiration = expirationTime;\n            emit PermissionUpdated(streamId, user, p.canEdit, p.canDelete, expirationTime, p.subscribeExpiration, p.canGrant);\n        } else if (permissionType == PermissionType.Subscribe) {\n            perm.subscribeExpiration = expirationTime;\n            emit PermissionUpdated(streamId, user, p.canEdit, p.canDelete, p.publishExpiration, expirationTime, p.canGrant);\n        }\n    }\n\n    function grantPublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        grantPermission(streamId, address(0), permissionType);\n    }\n\n    function revokePublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        revokePermission(streamId, address(0), permissionType);\n    }\n\n    function setPublicPermission(string calldata streamId, uint256 publishExpiration, uint256 subscribeExpiration) public hasGrantPermission(streamId) {\n        setPermissionsForUser(streamId, address(0), false, false, publishExpiration, subscribeExpiration, false);\n    }\n\n    function transferAllPermissionsToUser(string calldata streamId, address recipient) public {\n        Permission memory permSender = streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())];\n        require(permSender.canEdit || permSender.canDelete || permSender.publishExpiration > 0 || permSender.subscribeExpiration > 0 ||\n        permSender.canGrant, \"error_noPermissionToTransfer\");\n        Permission memory permRecipient = streamIdToPermissions[streamId][getAddressKey(streamId, recipient)];\n        uint256 publishExpiration = permSender.publishExpiration > permRecipient.publishExpiration ? permSender.publishExpiration : permRecipient.publishExpiration;\n        uint256 subscribeExpiration = permSender.subscribeExpiration > permRecipient.subscribeExpiration ? permSender.subscribeExpiration : permRecipient.subscribeExpiration;\n        _setPermissionBooleans(streamId, recipient, permSender.canEdit || permRecipient.canEdit, permSender.canDelete || permRecipient.canDelete,\n        publishExpiration, subscribeExpiration, permSender.canGrant || permRecipient.canGrant);\n        _setPermissionBooleans(streamId, _msgSender(), false, false, 0, 0, false);\n    }\n\n    function transferPermissionToUser(string calldata streamId, address recipient, PermissionType permissionType) public {\n        require(hasDirectPermission(streamId, _msgSender(), permissionType), \"error_noPermissionToTransfer\");\n        _setPermission(streamId, _msgSender(), permissionType, false);\n        _setPermission(streamId, recipient, permissionType, true);\n    }\n\n    function trustedSetStreamMetadata(string calldata streamId, string calldata metadata) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedCreateStreams(string[] calldata streamIds, string[] calldata metadatas) public isTrusted() {\n        uint arrayLength = streamIds.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            streamIdToMetadata[streamIds[i]] = metadatas[i];\n            emit StreamUpdated(streamIds[i], metadatas[i]);\n        }\n    }\n\n    function trustedSetStreamWithPermission(\n        string calldata streamId,\n        string calldata metadata,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedSetPermissionsForUser(\n        string calldata streamId,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function trustedSetStreams(string[] calldata streamids, address[] calldata users, string[] calldata metadatas, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            streamIdToMetadata[streamId] = metadatas[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit StreamCreated(streamId, metadatas[i]);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function trustedSetPermissions(string[] calldata streamids, address[] calldata users, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function addressToString(address _address) public pure returns(string memory) {\n       bytes32 _bytes = bytes32(uint256(uint160(_address)));\n       bytes memory _hex = \"0123456789abcdef\";\n       bytes memory _string = new bytes(42);\n       _string[0] = \"0\";\n       _string[1] = \"x\";\n       for(uint i = 0; i < 20; i++) {\n           _string[2+i*2] = _hex[uint8(_bytes[i + 12] >> 4)];\n           _string[3+i*2] = _hex[uint8(_bytes[i + 12] & 0x0f)];\n       }\n       return string(_string);\n    }\n\n    function getTrustedRole() public pure returns (bytes32) {\n        return TRUSTED_ROLE;\n    }\n\n    function setTrustedForwarder(address forwarder) public isTrusted() {\n        _setTrustedForwarder(forwarder);\n    }\n}\n"},"contracts/StreamRegistry/StreamRegistryV4.sol":{"content":"/**\n * Deployed on polygon on 2022-09-08\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n/* solhint-disable not-rely-on-time */\n\nimport \"./ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"../chainlinkClient/ENSCache.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/access/AccessControlUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\ncontract StreamRegistryV4 is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable, AccessControlUpgradeable {\n\n    bytes32 public constant TRUSTED_ROLE = keccak256(\"TRUSTED_ROLE\");\n    uint256 constant public MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;\n\n    event StreamCreated(string id, string metadata);\n    event StreamDeleted(string id);\n    event StreamUpdated(string id, string metadata);\n    event PermissionUpdated(string streamId, address user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant);\n\n    enum PermissionType { Edit, Delete, Publish, Subscribe, Grant }\n\n    struct Permission {\n        bool canEdit;\n        bool canDelete;\n        uint256 publishExpiration;\n        uint256 subscribeExpiration;\n        bool canGrant;\n    }\n\n    // streamid -> keccak256(version, useraddress) -> permission struct above\n    mapping (string => mapping(bytes32 => Permission)) public streamIdToPermissions;\n    mapping (string => string) public streamIdToMetadata;\n    ENSCache private ensCache;\n\n    // incremented when stream is (re-)created, so that users from old streams with same don't re-appear in the new stream (if they have permissions)\n    mapping (string => uint32) private streamIdToVersion;\n\n    modifier hasGrantPermission(string memory streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasSharePermissionOrIsRemovingOwn(string calldata streamId, address user) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant ||\n            _msgSender() == user, \"error_noSharePermission\"); //||\n        _;\n    }\n    modifier hasDeletePermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canDelete, \"error_noDeletePermission\"); //||\n        _;\n    }\n    modifier hasEditPermission(string calldata streamId) {\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canEdit, \"error_noEditPermission\"); //||\n        _;\n    }\n    modifier streamExists(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        _;\n    }\n    modifier isTrusted() {\n        require(hasRole(TRUSTED_ROLE, _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address ensCacheAddr, address trustedForwarderAddress) public initializer {\n        ensCache = ENSCache(ensCacheAddr);\n        __AccessControl_init();\n        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n\n     function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) {\n        return super._msgSender();\n    }\n\n    function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) {\n        return super._msgData();\n    }\n\n    function setEnsCache(address ensCacheAddr) public isTrusted() {\n        ensCache = ENSCache(ensCacheAddr);\n    }\n\n    function createStream(string calldata streamIdPath, string calldata metadataJsonString) public {\n        string memory ownerstring = addressToString(_msgSender());\n        _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n    }\n\n    function createStreamWithENS(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString) public {\n        if (ensCache.owners(ensName) == _msgSender()) {\n            _createStreamAndPermission(_msgSender(), ensName, streamIdPath, metadataJsonString);\n        } else {\n            ensCache.requestENSOwnerAndCreateStream(ensName, streamIdPath, metadataJsonString, _msgSender());\n        }\n    }\n\n    function createStreamWithPermissions(string calldata streamIdPath, string calldata metadataJsonString, address[] calldata users, Permission[] calldata permissions) public {\n        string memory ownerstring = addressToString(_msgSender());\n        string memory streamId = _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n        // external call so that memry is copied into calldata\n        setPermissions(streamId, users, permissions);\n    }\n\n    function createMultipleStreamsWithPermissions(string[] calldata streamIdPaths, string[] calldata metadataJsonStrings, address[][] calldata users, Permission[][] calldata permissions) public {\n        for (uint i = 0; i < streamIdPaths.length; i++) {\n            createStreamWithPermissions(streamIdPaths[i], metadataJsonStrings[i], users[i], permissions[i]);\n        }\n    }\n\n    function exists(string calldata streamId) public view returns (bool) {\n        return bytes(streamIdToMetadata[streamId]).length != 0;\n    }\n\n    /**\n     * Called by the ENSCache when the lookup / update is complete\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address ownerAddress, string memory ensName, string calldata streamIdPath, string calldata metadataJsonString) public isTrusted() {\n        require(ensCache.owners(ensName) == ownerAddress, \"error_notOwnerOfENSName\");\n        _createStreamAndPermission(ownerAddress, ensName, streamIdPath, metadataJsonString);\n    }\n\n    function _createStreamAndPermission(address ownerAddress, string memory ownerstring, string calldata streamIdPath, string calldata metadataJsonString) internal returns (string memory) {\n        require(bytes(metadataJsonString).length != 0, \"error_metadataJsonStringIsEmpty\");\n\n        bytes memory pathBytes = bytes(streamIdPath);\n        for (uint i = 1; i < pathBytes.length; i++) {\n            //       - . / 0 1 2 ... 9\n            require((bytes1(\"-\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"9\")) ||\n            ((bytes1(\"A\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"Z\"))) ||\n            ((bytes1(\"a\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"z\"))) ||\n            pathBytes[i] == \"_\"\n            , \"error_invalidPathChars\");\n        }\n        require(pathBytes[0] == \"/\", \"error_pathMustStartWithSlash\");\n\n        // abi.encodePacked does simple string concatenation here\n        string memory streamId = string(abi.encodePacked(ownerstring, streamIdPath));\n        require(bytes(streamIdToMetadata[streamId]).length == 0, \"error_streamAlreadyExists\");\n\n        streamIdToVersion[streamId] = streamIdToVersion[streamId] + 1;\n        streamIdToMetadata[streamId] = metadataJsonString;\n        streamIdToPermissions[streamId][getAddressKey(streamId, ownerAddress)] = Permission({\n            canEdit: true,\n            canDelete: true,\n            publishExpiration: MAX_INT,\n            subscribeExpiration: MAX_INT,\n            canGrant: true\n        });\n        emit StreamCreated(streamId, metadataJsonString);\n        emit PermissionUpdated(streamId, ownerAddress, true, true, MAX_INT, MAX_INT, true);\n        return streamId;\n    }\n\n    function getAddressKey(string memory streamId, address user) public view returns (bytes32) {\n        return keccak256(abi.encode(streamIdToVersion[streamId], user));\n    }\n\n    function updateStreamMetadata(string calldata streamId, string calldata metadata) public streamExists(streamId) hasEditPermission(streamId) {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function getStreamMetadata(string calldata streamId) public view streamExists(streamId) returns (string memory des) {\n        return streamIdToMetadata[streamId];\n    }\n\n    function deleteStream(string calldata streamId) public streamExists(streamId) hasDeletePermission(streamId) {\n        delete streamIdToMetadata[streamId];\n        emit StreamDeleted(streamId);\n    }\n\n    function getPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        permission = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory publicPermission = streamIdToPermissions[streamId][getAddressKey(streamId, address(0))];\n        if (permission.publishExpiration < block.timestamp && publicPermission.publishExpiration >= block.timestamp) {\n            permission.publishExpiration = publicPermission.publishExpiration;\n        }\n        if (permission.subscribeExpiration < block.timestamp && publicPermission.subscribeExpiration >= block.timestamp) {\n            permission.subscribeExpiration = publicPermission.subscribeExpiration;\n        }\n        return permission;\n    }\n\n    function getDirectPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        return streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n    }\n\n    function setPermissionsForUser(string calldata streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) public hasGrantPermission(streamId) {\n            _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function _setPermissionBooleans(string memory streamId, address user, bool canEdit,\n        bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant) private {\n        require(user != address(0) || !(canEdit || deletePerm || canGrant),\n            \"error_publicCanOnlySubsPubl\");\n        Permission memory perm = Permission({\n            canEdit: canEdit,\n            canDelete: deletePerm,\n            publishExpiration: publishExpiration,\n            subscribeExpiration: subscribeExpiration,\n            canGrant: canGrant\n        });\n        streamIdToPermissions[streamId][getAddressKey(streamId, user)] = perm;\n        _cleanUpIfAllFalse(streamId, user, perm);\n        emit PermissionUpdated(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function revokeAllPermissionsForUser(string calldata streamId, address user) public hasSharePermissionOrIsRemovingOwn(streamId, user){\n        delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, false, false, 0, 0, false);\n    }\n\n    function hasPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, user, permissionType) ||\n            hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasPublicPermission(string calldata streamId, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasDirectPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        if (permissionType == PermissionType.Edit) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration >= block.timestamp;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            return streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant;\n        }\n    }\n\n    function setPermissions(string memory streamId, address[] calldata users, Permission[] calldata permissions) public hasGrantPermission(streamId) {\n        require(users.length == permissions.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = users.length;\n        for (uint i=0; i<arrayLength; i++) {\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            // emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    // legacy typoed method name\n    function setPermissionsMultipleStreans(string[] calldata streamIds, address[][] calldata users, Permission[][] calldata permissions) public {\n        setPermissionsMultipleStreams(streamIds, users, permissions);\n    }\n\n    function setPermissionsMultipleStreams(string[] calldata streamIds, address[][] calldata users, Permission[][] calldata permissions) public {\n        require(users.length == permissions.length && permissions.length == streamIds.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = streamIds.length;\n        for (uint i=0; i<arrayLength; i++) {\n            setPermissions(streamIds[i], users[i], permissions[i]);\n        }\n    }\n\n    function grantPermission(string calldata streamId, address user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        _setPermission(streamId, user, permissionType, true);\n    }\n\n    function revokePermission(string calldata streamId, address user, PermissionType permissionType) public hasSharePermissionOrIsRemovingOwn(streamId, user) {\n        _setPermission(streamId, user, permissionType, false);\n    }\n\n    function _setPermission(string calldata streamId, address user, PermissionType permissionType, bool grant) private {\n        require(user != address(0) || permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish,\n            \"error_publicCanOnlySubsPubl\");\n        if (permissionType == PermissionType.Edit) {\n           streamIdToPermissions[streamId][getAddressKey(streamId, user)].canEdit = grant;\n        }\n        else if (permissionType == PermissionType.Delete) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canDelete = grant;\n        }\n        else if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = grant ? MAX_INT : 0;\n        }\n        else if (permissionType == PermissionType.Grant) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].canGrant = grant;\n        }\n        Permission memory perm = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        _cleanUpIfAllFalse(streamId, user, perm);\n        emit PermissionUpdated(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function _cleanUpIfAllFalse(string memory streamId, address user, Permission memory perm) private {\n        if (!perm.canEdit && !perm.canDelete && !perm.canGrant && perm.publishExpiration < block.timestamp && perm.subscribeExpiration < block.timestamp) {\n            delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        }\n    }\n\n    function setExpirationTime(string calldata streamId, address user, PermissionType permissionType, uint256 expirationTime) public hasGrantPermission(streamId) {\n        require(permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_timeOnlyObPubSub\");\n        if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].publishExpiration = expirationTime;\n        }\n        else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][getAddressKey(streamId, user)].subscribeExpiration = expirationTime;\n        }\n    }\n\n    function grantPublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        grantPermission(streamId, address(0), permissionType);\n    }\n\n    function revokePublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        revokePermission(streamId, address(0), permissionType);\n    }\n\n    function setPublicPermission(string calldata streamId, uint256 publishExpiration, uint256 subscribeExpiration) public hasGrantPermission(streamId) {\n        setPermissionsForUser(streamId, address(0), false, false, publishExpiration, subscribeExpiration, false);\n    }\n\n    function transferAllPermissionsToUser(string calldata streamId, address recipient) public {\n        Permission memory permSender = streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())];\n        require(permSender.canEdit || permSender.canDelete || permSender.publishExpiration > 0 || permSender.subscribeExpiration > 0 ||\n        permSender.canGrant, \"error_noPermissionToTransfer\");\n        Permission memory permRecipient = streamIdToPermissions[streamId][getAddressKey(streamId, recipient)];\n        uint256 publishExpiration = permSender.publishExpiration > permRecipient.publishExpiration ? permSender.publishExpiration : permRecipient.publishExpiration;\n        uint256 subscribeExpiration = permSender.subscribeExpiration > permRecipient.subscribeExpiration ? permSender.subscribeExpiration : permRecipient.subscribeExpiration;\n        _setPermissionBooleans(streamId, recipient, permSender.canEdit || permRecipient.canEdit, permSender.canDelete || permRecipient.canDelete,\n        publishExpiration, subscribeExpiration, permSender.canGrant || permRecipient.canGrant);\n        _setPermissionBooleans(streamId, _msgSender(), false, false, 0, 0, false);\n    }\n\n    function transferPermissionToUser(string calldata streamId, address recipient, PermissionType permissionType) public {\n        require(hasDirectPermission(streamId, _msgSender(), permissionType), \"error_noPermissionToTransfer\");\n        _setPermission(streamId, _msgSender(), permissionType, false);\n        _setPermission(streamId, recipient, permissionType, true);\n    }\n\n    function trustedSetStreamMetadata(string calldata streamId, string calldata metadata) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedCreateStreams(string[] calldata streamIds, string[] calldata metadatas) public isTrusted() {\n        uint arrayLength = streamIds.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            streamIdToMetadata[streamIds[i]] = metadatas[i];\n            emit StreamUpdated(streamIds[i], metadatas[i]);\n        }\n    }\n\n    function trustedSetStreamWithPermission(\n        string calldata streamId,\n        string calldata metadata,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        streamIdToMetadata[streamId] = metadata;\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function trustedSetPermissionsForUser(\n        string calldata streamId,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        _setPermissionBooleans(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function trustedSetStreams(string[] calldata streamids, address[] calldata users, string[] calldata metadatas, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            streamIdToMetadata[streamId] = metadatas[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit StreamCreated(streamId, metadatas[i]);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function trustedSetPermissions(string[] calldata streamids, address[] calldata users, Permission[] calldata permissions) public isTrusted() {\n        uint arrayLength = streamids.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            string calldata streamId = streamids[i];\n            Permission memory permission = permissions[i];\n            _setPermissionBooleans(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function addressToString(address _address) public pure returns(string memory) {\n       bytes32 _bytes = bytes32(uint256(uint160(_address)));\n       bytes memory _hex = \"0123456789abcdef\";\n       bytes memory _string = new bytes(42);\n       _string[0] = \"0\";\n       _string[1] = \"x\";\n       for(uint i = 0; i < 20; i++) {\n           _string[2+i*2] = _hex[uint8(_bytes[i + 12] >> 4)];\n           _string[3+i*2] = _hex[uint8(_bytes[i + 12] & 0x0f)];\n       }\n       return string(_string);\n    }\n\n    function getTrustedRole() public pure returns (bytes32) {\n        return TRUSTED_ROLE;\n    }\n\n    function setTrustedForwarder(address forwarder) public isTrusted() {\n        _setTrustedForwarder(forwarder);\n    }\n}\n"},"contracts/StreamRegistry/StreamRegistryV5.sol":{"content":"/**\n * Polygon deployment tx hash: TODO\n *\n * Changes in V5:\n * - Added *forUserId functions: replace user as address with user as bytes calldata\n *   - this is to support permission targets longer than 20 bytes (different cryptography)\n *   - due to size concerns:\n *      - userIdHasPermission and userIdHasDirectPermission are not included in V5\n *      - setExpirationTimeForUserId not included\n *      - combined some internal functions to take userKey instead of address or bytes id\n * - Removed little used functions: transferAllPermissionsToUser, transferPermissionToUser\n */\n\n// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\n/* solhint-disable not-rely-on-time */\n\nimport \"./ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"../chainlinkClient/ENSCache.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/access/AccessControlUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\n\n// solhint-disable-next-line contract-name-camelcase\ncontract StreamRegistryV5 is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable, AccessControlUpgradeable {\n\n    bytes32 public constant TRUSTED_ROLE = keccak256(\"TRUSTED_ROLE\");\n    uint256 constant public MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;\n\n    event StreamCreated(string id, string metadata);\n    event StreamDeleted(string id);\n    event StreamUpdated(string id, string metadata);\n    event PermissionUpdated(string streamId, address user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant);\n\n    enum PermissionType { Edit, Delete, Publish, Subscribe, Grant }\n\n    struct Permission {\n        bool canEdit;\n        bool canDelete;\n        uint256 publishExpiration;\n        uint256 subscribeExpiration;\n        bool canGrant;\n    }\n\n    // streamid -> keccak256(version, useraddress) -> permission struct above\n    mapping (string => mapping(bytes32 => Permission)) public streamIdToPermissions;\n    mapping (string => string) public streamIdToMetadata;\n    ENSCache public ensCache;\n\n    // incremented when stream is (re-)created, so that users from old streams with same don't re-appear in the new stream (if they have permissions)\n    mapping (string => uint32) public streamIdToVersion;\n\n    modifier streamExists(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        _;\n    }\n    modifier hasGrantPermission(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant, \"error_noSharePermission\");\n        _;\n    }\n    modifier hasSharePermissionOrIsRemovingOwn(string calldata streamId, address user) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        require(\n            streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canGrant\n            || _msgSender() == user,\n            \"error_noSharePermission\"\n        );\n        _;\n    }\n    modifier hasDeletePermission(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canDelete, \"error_noDeletePermission\");\n        _;\n    }\n    modifier hasEditPermission(string calldata streamId) {\n        require(exists(streamId), \"error_streamDoesNotExist\");\n        require(streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())].canEdit, \"error_noEditPermission\");\n        _;\n    }\n    modifier isTrusted() {\n        require(hasRole(TRUSTED_ROLE, _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address ensCacheAddr, address trustedForwarderAddress) public initializer {\n        ensCache = ENSCache(ensCacheAddr);\n        __AccessControl_init();\n        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) {\n        return super._msgSender();\n    }\n\n    function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) {\n        return super._msgData();\n    }\n\n    function createStream(string calldata streamIdPath, string calldata metadataJsonString) public {\n        string memory ownerstring = addressToString(_msgSender());\n        _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n    }\n\n    function createStreamWithENS(string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString) public {\n        if (ensCache.owners(ensName) == _msgSender()) {\n            _createStreamAndPermission(_msgSender(), ensName, streamIdPath, metadataJsonString);\n        } else {\n            ensCache.requestENSOwnerAndCreateStream(ensName, streamIdPath, metadataJsonString, _msgSender());\n        }\n    }\n\n    function createStreamWithPermissions(string calldata streamIdPath, string calldata metadataJsonString, address[] calldata users, Permission[] calldata permissions) public {\n        string memory ownerstring = addressToString(_msgSender());\n        string memory streamId = _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n        _setPermissionsBatch(streamId, users, permissions);\n    }\n\n    function createMultipleStreamsWithPermissions(string[] calldata streamIdPaths, string[] calldata metadataJsonStrings, address[][] calldata users, Permission[][] calldata permissions) public {\n        for (uint i = 0; i < streamIdPaths.length; i++) {\n            createStreamWithPermissions(streamIdPaths[i], metadataJsonStrings[i], users[i], permissions[i]);\n        }\n    }\n\n    function exists(string calldata streamId) public view returns (bool) {\n        return bytes(streamIdToMetadata[streamId]).length != 0;\n    }\n\n    function _createStreamAndPermission(address ownerAddress, string memory ownerstring, string calldata streamIdPath, string calldata metadataJsonString) internal returns (string memory) {\n        require(bytes(metadataJsonString).length != 0, \"error_metadataJsonStringIsEmpty\");\n\n        bytes memory pathBytes = bytes(streamIdPath);\n        for (uint i = 1; i < pathBytes.length; i++) {\n            //       - . / 0 1 2 ... 9\n            require((bytes1(\"-\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"9\")) ||\n            ((bytes1(\"A\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"Z\"))) ||\n            ((bytes1(\"a\") <= pathBytes[i] && pathBytes[i] <= bytes1(\"z\"))) ||\n            pathBytes[i] == \"_\"\n            , \"error_invalidPathChars\");\n        }\n        require(pathBytes[0] == \"/\", \"error_pathMustStartWithSlash\");\n\n        // abi.encodePacked does simple string concatenation here\n        string memory streamId = string(abi.encodePacked(ownerstring, streamIdPath));\n        require(bytes(streamIdToMetadata[streamId]).length == 0, \"error_streamAlreadyExists\");\n\n        streamIdToVersion[streamId] = streamIdToVersion[streamId] + 1;\n        streamIdToMetadata[streamId] = metadataJsonString;\n        streamIdToPermissions[streamId][getAddressKey(streamId, ownerAddress)] = Permission({\n            canEdit: true,\n            canDelete: true,\n            publishExpiration: MAX_INT,\n            subscribeExpiration: MAX_INT,\n            canGrant: true\n        });\n        emit StreamCreated(streamId, metadataJsonString);\n        emit PermissionUpdated(streamId, ownerAddress, true, true, MAX_INT, MAX_INT, true);\n        return streamId;\n    }\n\n    function getAddressKey(string memory streamId, address user) public view returns (bytes32) {\n        return keccak256(abi.encode(streamIdToVersion[streamId], user));\n    }\n\n    function updateStreamMetadata(string calldata streamId, string calldata metadata) public hasEditPermission(streamId) {\n        streamIdToMetadata[streamId] = metadata;\n        emit StreamUpdated(streamId, metadata);\n    }\n\n    function getStreamMetadata(string calldata streamId) public view streamExists(streamId) returns (string memory des) {\n        return streamIdToMetadata[streamId];\n    }\n\n    function deleteStream(string calldata streamId) public hasDeletePermission(streamId) {\n        delete streamIdToMetadata[streamId];\n        emit StreamDeleted(streamId);\n    }\n\n    /**\n     * Get user's permissions to stream.\n     * For publish/subscribe expiration, if public permission has a longer validity, use that.\n     **/\n    function getPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        permission = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory publicPermission = streamIdToPermissions[streamId][getAddressKey(streamId, address(0))];\n        if (permission.publishExpiration < block.timestamp && publicPermission.publishExpiration >= block.timestamp) {\n            permission.publishExpiration = publicPermission.publishExpiration;\n        }\n        if (permission.subscribeExpiration < block.timestamp && publicPermission.subscribeExpiration >= block.timestamp) {\n            permission.subscribeExpiration = publicPermission.subscribeExpiration;\n        }\n        return permission;\n    }\n\n    function getDirectPermissionsForUser(string calldata streamId, address user) public view streamExists(streamId) returns (Permission memory permission) {\n        return streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n    }\n\n    function setPermissionsForUser(\n        string calldata streamId, address user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant\n    ) public hasGrantPermission(streamId) {\n        require(user != address(0) || !(canEdit || canDelete || canGrant), \"error_publicCanOnlySubsPubl\");\n        bytes32 userKey = getAddressKey(streamId, user);\n        _setAllPermissions(streamId, userKey, canEdit, canDelete, publishExpiration, subscribeExpiration, canGrant);\n        emit PermissionUpdated(streamId, user, canEdit, canDelete, publishExpiration, subscribeExpiration, canGrant);\n    }\n\n    function _setAllPermissions(\n        string memory streamId, bytes32 userKey, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant\n    ) private {\n        if (!canEdit && !canDelete && !canGrant && publishExpiration < block.timestamp && subscribeExpiration < block.timestamp) {\n            delete streamIdToPermissions[streamId][userKey];\n            return;\n        }\n\n        Permission storage perm = streamIdToPermissions[streamId][userKey];\n        perm.canEdit = canEdit;\n        perm.canDelete = canDelete;\n        perm.publishExpiration = publishExpiration;\n        perm.subscribeExpiration = subscribeExpiration;\n        perm.canGrant = canGrant;\n    }\n\n    function revokeAllPermissionsForUser(string calldata streamId, address user) public hasSharePermissionOrIsRemovingOwn(streamId, user){\n        delete streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        emit PermissionUpdated(streamId, user, false, false, 0, 0, false);\n    }\n\n    function hasPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, user, permissionType) ||\n            hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasPublicPermission(string calldata streamId, PermissionType permissionType) public view returns (bool userHasPermission) {\n        return hasDirectPermission(streamId, address(0), permissionType);\n    }\n\n    function hasDirectPermission(string calldata streamId, address user, PermissionType permissionType) public view returns (bool userHasPermission) {\n        bytes32 key = getAddressKey(streamId, user);\n        if (permissionType == PermissionType.Edit) {\n            return streamIdToPermissions[streamId][key].canEdit;\n        } else if (permissionType == PermissionType.Delete) {\n            return streamIdToPermissions[streamId][key].canDelete;\n        } else if (permissionType == PermissionType.Publish) {\n            return streamIdToPermissions[streamId][key].publishExpiration >= block.timestamp;\n        } else if (permissionType == PermissionType.Subscribe) {\n            return streamIdToPermissions[streamId][key].subscribeExpiration >= block.timestamp;\n        } else if (permissionType == PermissionType.Grant) {\n            return streamIdToPermissions[streamId][key].canGrant;\n        }\n    }\n\n    function setPermissions(string calldata streamId, address[] calldata users, Permission[] calldata permissions) public hasGrantPermission(streamId) {\n        _setPermissionsBatch(streamId, users, permissions);\n    }\n\n    function _setPermissionsBatch(string memory streamId, address[] calldata users, Permission[] calldata permissions) internal {\n        require(users.length == permissions.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = users.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            Permission memory permission = permissions[i];\n            bytes32 userKey = getAddressKey(streamId, users[i]);\n            _setAllPermissions(streamId, userKey, permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n            emit PermissionUpdated(streamId, users[i], permission.canEdit, permission.canDelete, permission.publishExpiration, permission.subscribeExpiration, permission.canGrant);\n        }\n    }\n\n    function setPermissionsMultipleStreams(string[] calldata streamIds, address[][] calldata users, Permission[][] calldata permissions) public {\n        require(users.length == permissions.length && permissions.length == streamIds.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = streamIds.length;\n        for (uint i=0; i<arrayLength; i++) {\n            setPermissions(streamIds[i], users[i], permissions[i]);\n        }\n    }\n\n    function grantPermission(string calldata streamId, address user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        require(user != address(0) || permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_publicCanOnlySubsPubl\");\n        bytes32 userKey = getAddressKey(streamId, user);\n        Permission memory perm = _setPermission(streamId, userKey, permissionType, true);\n        emit PermissionUpdated(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function revokePermission(string calldata streamId, address user, PermissionType permissionType) public hasSharePermissionOrIsRemovingOwn(streamId, user) {\n        require(user != address(0) || permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_publicCanOnlySubsPubl\");\n        bytes32 userKey = getAddressKey(streamId, user);\n        Permission memory perm = _setPermission(streamId, userKey, permissionType, false);\n        emit PermissionUpdated(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function _setPermission(string calldata streamId, bytes32 userKey, PermissionType permissionType, bool grant) private returns (Permission memory perm) {\n        if (permissionType == PermissionType.Edit) {\n           streamIdToPermissions[streamId][userKey].canEdit = grant;\n        } else if (permissionType == PermissionType.Delete) {\n            streamIdToPermissions[streamId][userKey].canDelete = grant;\n        } else if (permissionType == PermissionType.Publish) {\n            streamIdToPermissions[streamId][userKey].publishExpiration = grant ? MAX_INT : 0;\n        } else if (permissionType == PermissionType.Subscribe) {\n            streamIdToPermissions[streamId][userKey].subscribeExpiration = grant ? MAX_INT : 0;\n        } else if (permissionType == PermissionType.Grant) {\n            streamIdToPermissions[streamId][userKey].canGrant = grant;\n        }\n        perm = streamIdToPermissions[streamId][userKey];\n        // _cleanUpIfAllFalse(streamId, user, perm);\n        if (!perm.canEdit && !perm.canDelete && !perm.canGrant && perm.publishExpiration < block.timestamp && perm.subscribeExpiration < block.timestamp) {\n            delete streamIdToPermissions[streamId][userKey];\n        }\n    }\n\n    function setExpirationTime(string calldata streamId, address user, PermissionType permissionType, uint256 expirationTime) public hasGrantPermission(streamId) {\n        require(permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_timeOnlyObPubSub\");\n        Permission storage perm = streamIdToPermissions[streamId][getAddressKey(streamId, user)];\n        Permission memory p = perm;\n        if (permissionType == PermissionType.Publish) {\n            perm.publishExpiration = expirationTime;\n            emit PermissionUpdated(streamId, user, p.canEdit, p.canDelete, expirationTime, p.subscribeExpiration, p.canGrant);\n        } else if (permissionType == PermissionType.Subscribe) {\n            perm.subscribeExpiration = expirationTime;\n            emit PermissionUpdated(streamId, user, p.canEdit, p.canDelete, p.publishExpiration, expirationTime, p.canGrant);\n        }\n    }\n\n    function grantPublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        grantPermission(streamId, address(0), permissionType);\n    }\n\n    function revokePublicPermission(string calldata streamId, PermissionType permissionType) public hasGrantPermission(streamId) {\n        revokePermission(streamId, address(0), permissionType);\n    }\n\n    function setPublicPermission(string calldata streamId, uint256 publishExpiration, uint256 subscribeExpiration) public hasGrantPermission(streamId) {\n        setPermissionsForUser(streamId, address(0), false, false, publishExpiration, subscribeExpiration, false);\n    }\n\n    // function transferAllPermissionsToUser(string calldata streamId, address recipient) public {\n    //     Permission memory permSender = streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())];\n    //     require(permSender.canEdit || permSender.canDelete || permSender.publishExpiration > 0 || permSender.subscribeExpiration > 0 ||\n    //     permSender.canGrant, \"error_noPermissionToTransfer\");\n    //     Permission memory permRecipient = streamIdToPermissions[streamId][getAddressKey(streamId, recipient)];\n    //     uint256 publishExpiration = permSender.publishExpiration > permRecipient.publishExpiration ? permSender.publishExpiration : permRecipient.publishExpiration;\n    //     uint256 subscribeExpiration = permSender.subscribeExpiration > permRecipient.subscribeExpiration ? permSender.subscribeExpiration : permRecipient.subscribeExpiration;\n    //     _setAllPermissions(streamId, recipient, permSender.canEdit || permRecipient.canEdit, permSender.canDelete || permRecipient.canDelete,\n    //     publishExpiration, subscribeExpiration, permSender.canGrant || permRecipient.canGrant);\n    //     _setAllPermissions(streamId, _msgSender(), false, false, 0, 0, false);\n    // }\n\n    // function transferPermissionToUser(string calldata streamId, address recipient, PermissionType permissionType) public {\n    //     require(hasDirectPermission(streamId, _msgSender(), permissionType), \"error_noPermissionToTransfer\");\n    //     _setPermission(streamId, _msgSender(), permissionType, false);\n    //     _setPermission(streamId, recipient, permissionType, true);\n    // }\n\n    function addressToString(address _address) public pure returns(string memory) {\n       bytes32 _bytes = bytes32(uint256(uint160(_address)));\n       bytes memory _hex = \"0123456789abcdef\";\n       bytes memory _string = new bytes(42);\n       _string[0] = \"0\";\n       _string[1] = \"x\";\n       for(uint i = 0; i < 20; i++) {\n           _string[2+i*2] = _hex[uint8(_bytes[i + 12] >> 4)];\n           _string[3+i*2] = _hex[uint8(_bytes[i + 12] & 0x0f)];\n       }\n       return string(_string);\n    }\n\n    //////////////////////////////////////////////////////////////////////////////////\n    // *forUserId functions: replace user as address with user as bytes calldata\n    //////////////////////////////////////////////////////////////////////////////////\n\n    event PermissionUpdatedForUserId(string streamId, bytes user, bool canEdit, bool canDelete, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant);\n\n    function getAddressKeyForUserId(string memory streamId, bytes calldata user) public view returns (bytes32) {\n        return keccak256(abi.encode(streamIdToVersion[streamId], user));\n    }\n\n    // function userIdHasPermission(string calldata streamId, bytes calldata user, PermissionType permissionType) public view returns (bool userHasPermission) {\n    //     return userIdHasDirectPermission(streamId, user, permissionType) || hasDirectPermission(streamId, address(0), permissionType);\n    // }\n\n    // function userIdHasDirectPermission(string calldata streamId, bytes calldata user, PermissionType permissionType) public view returns (bool userHasPermission) {\n    //     bytes32 key = getAddressKeyForUserId(streamId, user);\n    //     Permission storage p = streamIdToPermissions[streamId][key];\n    //     if (permissionType == PermissionType.Edit) {\n    //         return p.canEdit;\n    //     } else if (permissionType == PermissionType.Delete) {\n    //         return p.canDelete;\n    //     } else if (permissionType == PermissionType.Publish) {\n    //         return p.publishExpiration >= block.timestamp;\n    //     } else if (permissionType == PermissionType.Subscribe) {\n    //         return p.subscribeExpiration >= block.timestamp;\n    //     } else if (permissionType == PermissionType.Grant) {\n    //         return p.canGrant;\n    //     }\n    // }\n\n    function grantPermissionForUserId(string calldata streamId, bytes calldata user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        bytes32 userKey = getAddressKeyForUserId(streamId, user);\n        Permission memory perm = _setPermission(streamId, userKey, permissionType, true);\n        emit PermissionUpdatedForUserId(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function revokePermissionForUserId(string calldata streamId, bytes calldata user, PermissionType permissionType) public hasGrantPermission(streamId) {\n        bytes32 userKey = getAddressKeyForUserId(streamId, user);\n        Permission memory perm = _setPermission(streamId, userKey, permissionType, false);\n        emit PermissionUpdatedForUserId(streamId, user, perm.canEdit, perm.canDelete, perm.publishExpiration, perm.subscribeExpiration, perm.canGrant);\n    }\n\n    function revokeAllPermissionsForUserId(string calldata streamId, bytes calldata user) public hasGrantPermission(streamId) {\n        delete streamIdToPermissions[streamId][getAddressKeyForUserId(streamId, user)];\n        emit PermissionUpdatedForUserId(streamId, user, false, false, 0, 0, false);\n    }\n\n    // function setExpirationTimeForUserId(\n    //     string calldata streamId, bytes calldata user, PermissionType permissionType, uint256 expirationTime\n    // ) public hasGrantPermission(streamId) {\n    //     require(permissionType == PermissionType.Subscribe || permissionType == PermissionType.Publish, \"error_timeOnlyObPubSub\");\n    //     Permission storage perm = streamIdToPermissions[streamId][getAddressKeyForUserId(streamId, user)];\n    //     Permission memory p = perm;\n    //     if (permissionType == PermissionType.Publish) {\n    //         perm.publishExpiration = expirationTime;\n    //         emit PermissionUpdatedForUserId(streamId, user, p.canEdit, p.canDelete, expirationTime, p.subscribeExpiration, p.canGrant);\n    //     } else if (permissionType == PermissionType.Subscribe) {\n    //         perm.subscribeExpiration = expirationTime;\n    //         emit PermissionUpdatedForUserId(streamId, user, p.canEdit, p.canDelete, p.publishExpiration, expirationTime, p.canGrant);\n    //     }\n    // }\n\n    // function createStreamWithPermissionsForUserIds(\n    //     string calldata streamIdPath, string calldata metadataJsonString, bytes[] calldata users, Permission[] calldata permissions\n    // ) public {\n    //     string memory ownerstring = addressToString(_msgSender());\n    //     string memory streamId = _createStreamAndPermission(_msgSender(), ownerstring, streamIdPath, metadataJsonString);\n    //     _setPermissionsForUserIds(streamId, users, permissions);\n    // }\n\n    function setPermissionsForUserIds(string calldata streamId, bytes[] calldata users, Permission[] calldata permissions) public hasGrantPermission(streamId) {\n        require(users.length == permissions.length, \"error_invalidInputArrayLengths\");\n        uint arrayLength = users.length;\n        for (uint i = 0; i < arrayLength; i++) {\n            bytes32 userKey = getAddressKeyForUserId(streamId, users[i]);\n            Permission calldata p = permissions[i];\n            _setAllPermissions(streamId, userKey, p.canEdit, p.canDelete, p.publishExpiration, p.subscribeExpiration, p.canGrant);\n            emit PermissionUpdatedForUserId(streamId, users[i], p.canEdit, p.canDelete, p.publishExpiration, p.subscribeExpiration, p.canGrant);\n        }\n    }\n    // function setMultipleStreamPermissionsForUserIds(string[] calldata streamIds, bytes[][] calldata users, Permission[][] calldata permissions) public {\n    //     require(users.length == permissions.length && permissions.length == streamIds.length, \"error_invalidInputArrayLengths\");\n    //     uint arrayLength = streamIds.length;\n    //     for (uint i = 0; i < arrayLength; i++) {\n    //         setPermissionsForUserIds(streamIds[i], users[i], permissions[i]);\n    //     }\n    // }\n\n    // function setPermissionsForUserId(\n    //     string calldata streamId, bytes calldata user, bool canEdit, bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant\n    // ) public hasGrantPermission(streamId) {\n    //     _setPermissionsForUserId(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    // }\n\n    // function _setPermissionsForUserId(\n    //     string memory streamId, bytes calldata user, bool canEdit, bool deletePerm, uint256 publishExpiration, uint256 subscribeExpiration, bool canGrant\n    // ) private {\n    //     bytes32 userKey = getAddressKeyForUserId(streamId, user);\n    //     if (!canEdit && !deletePerm && !canGrant && publishExpiration < block.timestamp && subscribeExpiration < block.timestamp) {\n    //         delete streamIdToPermissions[streamId][userKey];\n    //     } else {\n    //         Permission storage p = streamIdToPermissions[streamId][userKey];\n    //         p.canEdit = canEdit;\n    //         p.canDelete = deletePerm;\n    //         p.publishExpiration = publishExpiration;\n    //         p.subscribeExpiration = subscribeExpiration;\n    //         p.canGrant = canGrant;\n    //     }\n    //     emit PermissionUpdatedForUserId(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    // }\n\n    // function transferAllPermissionsToUserId(string calldata streamId, bytes calldata recipient) public {\n    //     Permission memory permSender = streamIdToPermissions[streamId][getAddressKey(streamId, _msgSender())];\n    //     require(permSender.canEdit || permSender.canDelete || permSender.publishExpiration > 0 || permSender.subscribeExpiration > 0 || permSender.canGrant, \"error_noPermissionToTransfer\");\n    //     Permission memory permRecipient = streamIdToPermissions[streamId][getAddressKeyForUserId(streamId, recipient)];\n    //     uint256 publishExpiration = permSender.publishExpiration > permRecipient.publishExpiration ? permSender.publishExpiration : permRecipient.publishExpiration;\n    //     uint256 subscribeExpiration = permSender.subscribeExpiration > permRecipient.subscribeExpiration ? permSender.subscribeExpiration : permRecipient.subscribeExpiration;\n    //     _setPermissionsForUserId(streamId, recipient, permSender.canEdit || permRecipient.canEdit, permSender.canDelete || permRecipient.canDelete,\n    //     publishExpiration, subscribeExpiration, permSender.canGrant || permRecipient.canGrant);\n    //     _setAllPermissions(streamId, _msgSender(), false, false, 0, 0, false);\n    // }\n\n    // function transferPermissionToUserId(string calldata streamId, bytes calldata recipient, PermissionType permissionType) public {\n    //     require(hasDirectPermission(streamId, _msgSender(), permissionType), \"error_noPermissionToTransfer\");\n    //     _setPermission(streamId, _msgSender(), permissionType, false);\n    //     _setPermissionForUserId(streamId, recipient, permissionType, true);\n    // }\n\n    /**\n     * Get user's permissions to stream.\n     * For publish/subscribe expiration, if public permission has a longer validity, use that.\n     **/\n    function getPermissionsForUserId(string calldata streamId, bytes calldata user) public view streamExists(streamId) returns (Permission memory permission) {\n        permission = streamIdToPermissions[streamId][getAddressKeyForUserId(streamId, user)];\n        Permission memory publicPermission = streamIdToPermissions[streamId][getAddressKey(streamId, address(0))];\n        if (permission.publishExpiration < block.timestamp && publicPermission.publishExpiration >= block.timestamp) {\n            permission.publishExpiration = publicPermission.publishExpiration;\n        }\n        if (permission.subscribeExpiration < block.timestamp && publicPermission.subscribeExpiration >= block.timestamp) {\n            permission.subscribeExpiration = publicPermission.subscribeExpiration;\n        }\n        return permission;\n    }\n\n    function getDirectPermissionsForUserId(string calldata streamId, bytes calldata user) public view streamExists(streamId) returns (Permission memory permission) {\n        return streamIdToPermissions[streamId][getAddressKeyForUserId(streamId, user)];\n    }\n\n    //////////////////////////////////////////////////////////////////////////////////\n    // TRUSTED_ROLE functions: admin, integrations to known other smart contracts\n    //////////////////////////////////////////////////////////////////////////////////\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n    function setEnsCache(address ensCacheAddr) public isTrusted() {\n        ensCache = ENSCache(ensCacheAddr);\n    }\n\n    function setTrustedForwarder(address forwarder) public isTrusted() {\n        _setTrustedForwarder(forwarder);\n    }\n\n    /** used by StreamStorageRegistry when checking if caller has the trusted role */\n    function getTrustedRole() public pure returns (bytes32) {\n        return TRUSTED_ROLE;\n    }\n\n    /**\n     * Called by the ENSCache when the lookup / update is complete\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function ENScreateStreamCallback(address ownerAddress, string calldata ensName, string calldata streamIdPath, string calldata metadataJsonString) public isTrusted() {\n        require(ensCache.owners(ensName) == ownerAddress, \"error_notOwnerOfENSName\");\n        _createStreamAndPermission(ownerAddress, ensName, streamIdPath, metadataJsonString);\n    }\n\n    /** used by ProjectRegistry._grantSubscribeForStream when someone subscribes to a project */\n    function trustedSetPermissionsForUser(\n        string calldata streamId,\n        address user,\n        bool canEdit,\n        bool deletePerm,\n        uint256 publishExpiration,\n        uint256 subscribeExpiration,\n        bool canGrant\n    ) public isTrusted() {\n        bytes32 userKey = getAddressKey(streamId, user);\n        _setAllPermissions(streamId, userKey, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n        emit PermissionUpdated(streamId, user, canEdit, deletePerm, publishExpiration, subscribeExpiration, canGrant);\n    }\n}\n"},"contracts/StreamStorageRegistry/StreamStorageRegistry.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.9;\npragma experimental ABIEncoderV2;\n\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/metatx/ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\nimport \"../StreamRegistry/StreamRegistry.sol\";\nimport \"../NodeRegistry/NodeRegistry.sol\";\n\n/**\n * StreamStorageRegistry associates streams to storage nodes in many-to-many relationship\n */\ncontract StreamStorageRegistry is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable {\n    StreamRegistry public streamRegistry;\n    NodeRegistry public nodeRegistry;\n\n    // metadata attached to stream-storagenode-pairs, TODO: use it for something? Add getter?\n    struct StreamNodePair {\n        uint dateCreated;\n    }\n    mapping(string => mapping(address => StreamNodePair)) public pairs;\n\n    event Added(string streamId, address indexed nodeAddress);\n    event Removed(string streamId, address indexed nodeAddress);\n\n    modifier onlyEditorOrTrusted(string calldata streamId) {\n        require(streamRegistry.exists(streamId), \"error_streamDoesNotExist\");\n        bool senderIsTrusted = streamRegistry.hasRole(streamRegistry.getTrustedRole(), _msgSender());\n        if (!senderIsTrusted) {\n            require(streamRegistry.hasPermission(streamId, _msgSender(), StreamRegistry.PermissionType.Edit), \"error_noEditPermission\");\n        }\n        _;\n    }\n\n    modifier isTrusted() {\n        require(streamRegistry.hasRole(streamRegistry.getTrustedRole(), _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address streamRegistryAddress, address nodeRegistryAddress, address trustedForwarderAddress) public initializer {\n        streamRegistry = StreamRegistry(streamRegistryAddress);\n        nodeRegistry = NodeRegistry(nodeRegistryAddress);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n    function _addPair(string calldata streamId, address nodeAddress) private {\n        if (pairs[streamId][nodeAddress].dateCreated == 0) { // don't overwrite existing creation date\n            pairs[streamId][nodeAddress].dateCreated = block.timestamp; // solhint-disable-line not-rely-on-time\n        }\n        emit Added(streamId, nodeAddress);\n    }\n    function _removePair(string calldata streamId, address nodeAddress) private {\n        delete pairs[streamId][nodeAddress];\n        emit Removed(streamId, nodeAddress);\n    }\n\n    function isStorageNodeOf(string calldata streamId, address nodeAddress) public view returns (bool) {\n        if (!streamRegistry.exists(streamId)) { return false; }\n        NodeRegistry.Node memory node = nodeRegistry.getNode(nodeAddress);\n        if (node.lastSeen == 0) { return false; }\n        return pairs[streamId][nodeAddress].dateCreated != 0;\n    }\n\n    function addStorageNode(string calldata streamId, address nodeAddress) external onlyEditorOrTrusted(streamId) {\n        NodeRegistry.Node memory node = nodeRegistry.getNode(nodeAddress);\n        require(node.lastSeen != 0, \"error_storageNodeNotRegistered\");\n        _addPair(streamId, nodeAddress);\n    }\n\n    function removeStorageNode(string calldata streamId, address nodeAddress) external onlyEditorOrTrusted(streamId) {\n        _removePair(streamId, nodeAddress);\n    }\n\n    function addAndRemoveStorageNodes(string calldata streamId, address[] calldata addNodes, address[] calldata removeNodes) external onlyEditorOrTrusted(streamId) {\n        for (uint i = 0; i < addNodes.length; i++) {\n            address nodeAddress = addNodes[i];\n            NodeRegistry.Node memory node = nodeRegistry.getNode(nodeAddress);\n            require(node.lastSeen != 0, \"error_storageNodeNotRegistered\");\n            _addPair(streamId, nodeAddress);\n        }\n        for (uint i = 0; i < removeNodes.length; i++) {\n            _removePair(streamId, removeNodes[i]);\n        }\n    }\n}"},"contracts/StreamStorageRegistry/StreamStorageRegistryV2.sol":{"content":"/**\n * Deployed on polygon on 2022-09-09\n */\n\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../StreamRegistry/ERC2771ContextUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/UUPSUpgradeable.sol\";\nimport \"@openzeppelin/contracts-upgradeable-4.4.2/proxy/utils/Initializable.sol\";\nimport \"../StreamRegistry/StreamRegistryV4.sol\";\nimport \"../NodeRegistry/NodeRegistry.sol\";\n\n/**\n * StreamStorageRegistry associates streams to storage nodes in many-to-many relationship\n */\ncontract StreamStorageRegistryV2 is Initializable, UUPSUpgradeable, ERC2771ContextUpgradeable {\n    StreamRegistryV4 public streamRegistry;\n    NodeRegistry public nodeRegistry;\n\n    struct StreamNodePair {\n        uint dateCreated;\n    }\n    mapping(string => mapping(address => StreamNodePair)) public pairs;\n\n    event Added(string streamId, address indexed nodeAddress);\n    event Removed(string streamId, address indexed nodeAddress);\n\n    modifier onlyEditorOrTrusted(string calldata streamId) {\n        require(streamRegistry.exists(streamId), \"error_streamDoesNotExist\");\n        bool senderIsTrusted = streamRegistry.hasRole(streamRegistry.getTrustedRole(), _msgSender());\n        if (!senderIsTrusted) {\n            require(streamRegistry.hasPermission(streamId, _msgSender(), StreamRegistryV4.PermissionType.Edit), \"error_noEditPermission\");\n        }\n        _;\n    }\n\n    modifier isTrusted() {\n        require(streamRegistry.hasRole(streamRegistry.getTrustedRole(), _msgSender()), \"error_mustBeTrustedRole\");\n        _;\n    }\n\n    // Constructor can't be used with upgradeable contracts, so use initialize instead\n    //    this will not be called upon each upgrade, only once during first deployment\n    function initialize(address streamRegistryAddress, address nodeRegistryAddress, address trustedForwarderAddress) public initializer {\n        streamRegistry = StreamRegistryV4(streamRegistryAddress);\n        nodeRegistry = NodeRegistry(nodeRegistryAddress);\n        ERC2771ContextUpgradeable.__ERC2771Context_init(trustedForwarderAddress);\n    }\n\n    function _authorizeUpgrade(address) internal override isTrusted() {}\n\n    function _addPair(string calldata streamId, address nodeAddress) private {\n        if (pairs[streamId][nodeAddress].dateCreated == 0) { // don't overwrite existing creation date\n            pairs[streamId][nodeAddress].dateCreated = block.timestamp; // solhint-disable-line not-rely-on-time\n        }\n        emit Added(streamId, nodeAddress);\n    }\n    function _removePair(string calldata streamId, address nodeAddress) private {\n        delete pairs[streamId][nodeAddress];\n        emit Removed(streamId, nodeAddress);\n    }\n\n    function isStorageNodeOf(string calldata streamId, address nodeAddress) public view returns (bool) {\n        if (!streamRegistry.exists(streamId)) { return false; }\n        NodeRegistry.Node memory node = nodeRegistry.getNode(nodeAddress);\n        if (node.lastSeen == 0) { return false; }\n        return pairs[streamId][nodeAddress].dateCreated != 0;\n    }\n\n    function addStorageNode(string calldata streamId, address nodeAddress) external onlyEditorOrTrusted(streamId) {\n        NodeRegistry.Node memory node = nodeRegistry.getNode(nodeAddress);\n        require(node.lastSeen != 0, \"error_storageNodeNotRegistered\");\n        _addPair(streamId, nodeAddress);\n    }\n\n    function removeStorageNode(string calldata streamId, address nodeAddress) external onlyEditorOrTrusted(streamId) {\n        _removePair(streamId, nodeAddress);\n    }\n\n    function addAndRemoveStorageNodes(string calldata streamId, address[] calldata addNodes, address[] calldata removeNodes) external onlyEditorOrTrusted(streamId) {\n        for (uint i = 0; i < addNodes.length; i++) {\n            address nodeAddress = addNodes[i];\n            NodeRegistry.Node memory node = nodeRegistry.getNode(nodeAddress);\n            require(node.lastSeen != 0, \"error_storageNodeNotRegistered\");\n            _addPair(streamId, nodeAddress);\n        }\n        for (uint i = 0; i < removeNodes.length; i++) {\n            _removePair(streamId, removeNodes[i]);\n        }\n    }\n\n    function setTrustedForwarder(address forwarder) public isTrusted() {\n        _setTrustedForwarder(forwarder);\n    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