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April 26, 2019 12:56
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pragma solidity 0.4.24; | |
// File: C:/Users/Bruno/repos/artifaqt/artifaqt/contract/contracts/eip721/EIP721Interface.sol | |
/// @title ERC-721 Non-Fungible Token Standard | |
/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md | |
/// Note: the ERC-165 identifier for this interface is 0x6466353c | |
interface EIP721Interface { | |
/// @dev This emits when ownership of any NFT changes by any mechanism. | |
/// This event emits when NFTs are created (`from` == 0) and destroyed | |
/// (`to` == 0). Exception: during contract creation, any number of NFTs | |
/// may be created and assigned without emitting Transfer. At the time of | |
/// any transfer, the approved address for that NFT (if any) is reset to none. | |
event Transfer(address indexed _from, address indexed _to, uint256 indexed _tokenId); | |
/// @dev This emits when the approved address for an NFT is changed or | |
/// reaffirmed. The zero address indicates there is no approved address. | |
/// When a Transfer event emits, this also indicates that the approved | |
/// address for that NFT (if any) is reset to none. | |
event Approval(address indexed _owner, address indexed _approved, uint256 indexed _tokenId); | |
/// @dev This emits when an operator is enabled or disabled for an owner. | |
/// The operator can manage all NFTs of the owner. | |
event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved); | |
/// @notice Transfers the ownership of an NFT from one address to another address | |
/// @dev Throws unless `msg.sender` is the current owner, an authorized | |
/// operator, or the approved address for this NFT. Throws if `_from` is | |
/// not the current owner. Throws if `_to` is the zero address. Throws if | |
/// `_tokenId` is not a valid NFT. When transfer is complete, this function | |
/// checks if `_to` is a smart contract (code size > 0). If so, it calls | |
/// `onERC721Received` on `_to` and throws if the return value is not | |
/// `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`. | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
/// @param data Additional data with no specified format, sent in call to `_to` | |
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) public payable; | |
/// @notice Transfers the ownership of an NFT from one address to another address | |
/// @dev This works identically to the other function with an extra data parameter, | |
/// except this function just sets data to "" | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
function safeTransferFrom(address _from, address _to, uint256 _tokenId) public payable; | |
/// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE | |
/// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE | |
/// THEY MAY BE PERMANENTLY LOST | |
/// @dev Throws unless `msg.sender` is the current owner, an authorized | |
/// operator, or the approved address for this NFT. Throws if `_from` is | |
/// not the current owner. Throws if `_to` is the zero address. Throws if | |
/// `_tokenId` is not a valid NFT. | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
function transferFrom(address _from, address _to, uint256 _tokenId) public payable; | |
/// @notice Change or reaffirm the approved address for an NFT. | |
/// @dev The zero address indicates there is no approved address. | |
/// Throws unless `msg.sender` is the current NFT owner, or an authorized | |
/// operator of the current owner. | |
/// @param _approved The new approved NFT controller | |
/// @param _tokenId The NFT to approve | |
function approve(address _approved, uint256 _tokenId) external payable; | |
/// @notice Enable or disable approval for a third party ("operator") to manage | |
/// all of `msg.sender`'s assets. | |
/// @dev Emits the ApprovalForAll event. The contract MUST allow | |
/// multiple operators per owner. | |
/// @param _operator Address to add to the set of authorized operators. | |
/// @param _approved True if the operator is approved, false to revoke approval | |
function setApprovalForAll(address _operator, bool _approved) external; | |
/// @notice Get the approved address for a single NFT | |
/// @dev Throws if `_tokenId` is not a valid NFT | |
/// @param _tokenId The NFT to find the approved address for | |
/// @return The approved address for this NFT, or the zero address if there is none | |
function getApproved(uint256 _tokenId) external view returns (address); | |
/// @notice Query if an address is an authorized operator for another address | |
/// @param _owner The address that owns the NFTs | |
/// @param _operator The address that acts on behalf of the owner | |
/// @return True if `_operator` is an approved operator for `_owner`, false otherwise | |
function isApprovedForAll(address _owner, address _operator) external view returns (bool); | |
/// @notice Count all NFTs assigned to an owner | |
/// @dev NFTs assigned to the zero address are considered invalid, and this | |
/// function throws for queries about the zero address. | |
/// @param _owner An address for whom to query the balance | |
/// @return The number of NFTs owned by `_owner`, possibly zero | |
function balanceOf(address _owner) external view returns (uint256); | |
/// @notice Find the owner of an NFT | |
/// @param _tokenId The identifier for an NFT | |
/// @dev NFTs assigned to zero address are considered invalid, and queries | |
/// about them do throw. | |
/// @return The address of the owner of the NFT | |
function ownerOf(uint256 _tokenId) external view returns (address); | |
} | |
interface ERC165Interface { | |
/// @notice Query if a contract implements an interface | |
/// @param interfaceID The interface identifier, as specified in ERC-165 | |
/// @dev Interface identification is specified in ERC-165. This function | |
/// uses less than 30,000 gas. | |
/// @return `true` if the contract implements `interfaceID` and | |
/// `interfaceID` is not 0xffffffff, `false` otherwise | |
function supportsInterface(bytes4 interfaceID) external view returns (bool); | |
} | |
// File: C:/Users/Bruno/repos/artifaqt/artifaqt/contract/contracts/eip721/EIP721MetadataInterface.sol | |
/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension | |
/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md | |
/// Note: the ERC-165 identifier for this interface is 0x5b5e139f | |
interface EIP721MetadataInterface { | |
/// @notice A descriptive name for a collection of NFTs in this contract | |
// function name() external view returns (string _name); | |
/// @notice An abbreviated name for NFTs in this contract | |
// function symbol() external view returns (string _symbol); | |
/// @notice A distinct Uniform Resource Identifier (URI) for a given asset. | |
/// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC | |
/// 3986. The URI may point to a JSON file that conforms to the "ERC721 | |
/// Metadata JSON Schema". | |
function tokenURI(uint256 _tokenId) external view returns (string); | |
} | |
// File: C:/Users/Bruno/repos/artifaqt/artifaqt/contract/contracts/eip721/EIP721EnumerableInterface.sol | |
/// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension | |
/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md | |
/// Note: the ERC-165 identifier for this interface is 0x780e9d63 | |
interface EIP721EnumerableInterface { | |
/// @notice Count NFTs tracked by this contract | |
/// @return A count of valid NFTs tracked by this contract, where each one of | |
/// them has an assigned and queryable owner not equal to the zero address | |
function totalSupply() external view returns (uint256); | |
/// @notice Enumerate valid NFTs | |
/// @dev Throws if `_index` >= `totalSupply()`. | |
/// @param _index A counter less than `totalSupply()` | |
/// @return The token identifier for the `_index`th NFT, | |
/// (sort order not specified) | |
function tokenByIndex(uint256 _index) external view returns (uint256); | |
/// @notice Enumerate NFTs assigned to an owner | |
/// @dev Throws if `_index` >= `balanceOf(_owner)` or if | |
/// `_owner` is the zero address, representing invalid NFTs. | |
/// @param _owner An address where we are interested in NFTs owned by them | |
/// @param _index A counter less than `balanceOf(_owner)` | |
/// @return The token identifier for the `_index`th NFT assigned to `_owner`, | |
/// (sort order not specified) | |
function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256 _tokenId); | |
} | |
// File: C:/Users/Bruno/repos/artifaqt/artifaqt/contract/contracts/eip721/EIP721TokenReceiverInterface.sol | |
/// @dev Note: the ERC-165 identifier for this interface is 0x150b7a02. | |
interface EIP721TokenReceiverInterface { | |
/// @notice Handle the receipt of an NFT | |
/// Note: the application will get the prior owner of the token | |
/// after a `transfer`. This function MAY throw to revert and reject the | |
/// transfer. Return of other than the magic value MUST result in the | |
/// transaction being reverted. | |
/// Note: the contract address is always the message sender. | |
/// @param _operator The address which called `safeTransferFrom` function | |
/// @param _from The address which previously owned the token | |
/// @param _tokenId The NFT identifier which is being transferred | |
/// @param _data Additional data with no specified format | |
/// @return `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))` | |
/// unless throwing | |
function onERC721Received(address _operator, address _from, uint256 _tokenId, bytes _data) external returns(bytes4); | |
} | |
// File: C:/Users/Bruno/repos/artifaqt/artifaqt/contract/contracts/eip721/EIP721.sol | |
/* | |
This is a full implementation of all ERC721's features. | |
Influenced by OpenZeppelin's implementation with some stylistic changes. | |
https://github.com/OpenZeppelin/zeppelin-solidity/tree/master/contracts/token/ERC721 | |
*/ | |
contract EIP721 is EIP721Interface, EIP721MetadataInterface, EIP721EnumerableInterface, ERC165Interface { | |
string public name; | |
string public symbol; | |
// all tokens | |
uint256[] internal allTokens; | |
// mapping of token IDs to its index in all Tokens array. | |
mapping(uint256 => uint256) internal allTokensIndex; | |
// Array of tokens owned by a specific owner | |
mapping(address => uint256[]) internal ownedTokens; | |
// Mapping from token ID to owner | |
mapping(uint256 => address) internal ownerOfToken; | |
// Mapping of the token ID to where it is in the owner's array. | |
mapping(uint256 => uint256) internal ownedTokensIndex; | |
// Mapping of a token to a specifically approved owner. | |
mapping(uint256 => address) internal approvedOwnerOfToken; | |
// An operator is allowed to manage all assets of another owner. | |
mapping(address => mapping (address => bool)) internal operators; | |
mapping(uint256 => string) internal tokenURIs; | |
bytes4 internal constant ERC721_BASE_INTERFACE_SIGNATURE = 0x80ac58cd; | |
bytes4 internal constant ERC721_METADATA_INTERFACE_SIGNATURE = 0x5b5e139f; | |
bytes4 internal constant ERC721_ENUMERABLE_INTERFACE_SIGNATURE = 0x780e9d63; | |
bytes4 internal constant ONERC721RECEIVED_FUNCTION_SIGNATURE = 0x150b7a02; | |
/* Modifiers */ | |
modifier tokenExists(uint256 _tokenId) { | |
require(ownerOfToken[_tokenId] != 0); | |
_; | |
} | |
// checks: is the owner of the token == msg.sender? | |
// OR has the owner of the token granted msg.sender access to operate? | |
modifier allowedToOperate(uint256 _tokenId) { | |
require(checkIfAllowedToOperate(_tokenId)); | |
_; | |
} | |
modifier allowedToTransfer(address _from, address _to, uint256 _tokenId) { | |
require(checkIfAllowedToOperate(_tokenId) || approvedOwnerOfToken[_tokenId] == msg.sender); | |
require(ownerOfToken[_tokenId] == _from); | |
require(_to != 0); //not allowed to burn in transfer method | |
_; | |
} | |
/// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE | |
/// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE | |
/// THEY MAY BE PERMANENTLY LOST | |
/// @dev Throws unless `msg.sender` is the current owner, an authorized | |
/// operator, or the approved address for this NFT. Throws if `_from` is | |
/// not the current owner. Throws if `_to` is the zero address. Throws if | |
/// `_tokenId` is not a valid NFT. | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
function transferFrom(address _from, address _to, uint256 _tokenId) public payable | |
tokenExists(_tokenId) | |
allowedToTransfer(_from, _to, _tokenId) { | |
//transfer token | |
settleTransfer(_from, _to, _tokenId); | |
} | |
/// @notice Transfers the ownership of an NFT from one address to another address | |
/// @dev Throws unless `msg.sender` is the current owner, an authorized | |
/// operator, or the approved address for this NFT. Throws if `_from` is | |
/// not the current owner. Throws if `_to` is the zero address. Throws if | |
/// `_tokenId` is not a valid NFT. When transfer is complete, this function | |
/// checks if `_to` is a smart contract (code size > 0). If so, it calls | |
/// `onERC721Received` on `_to` and throws if the return value is not | |
/// `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`. | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
/// @param data Additional data with no specified format, sent in call to `_to` | |
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) public payable | |
tokenExists(_tokenId) | |
allowedToTransfer(_from, _to, _tokenId) { | |
settleTransfer(_from, _to, _tokenId); | |
// check if a smart contract | |
uint256 size; | |
assembly { size := extcodesize(_to) } // solhint-disable-line no-inline-assembly | |
if (size > 0) { | |
// call on onERC721Received. | |
require(EIP721TokenReceiverInterface(_to).onERC721Received(msg.sender, _from, _tokenId, data) == ONERC721RECEIVED_FUNCTION_SIGNATURE); | |
} | |
} | |
/// @notice Transfers the ownership of an NFT from one address to another address | |
/// @dev This works identically to the other function with an extra data parameter, | |
/// except this function just sets data to "" | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
function safeTransferFrom(address _from, address _to, uint256 _tokenId) public payable | |
tokenExists(_tokenId) | |
allowedToTransfer(_from, _to, _tokenId) { | |
settleTransfer(_from, _to, _tokenId); | |
// check if a smart contract | |
uint256 size; | |
assembly { size := extcodesize(_to) } // solhint-disable-line no-inline-assembly | |
if (size > 0) { | |
// call on onERC721Received. | |
require(EIP721TokenReceiverInterface(_to).onERC721Received(msg.sender, _from, _tokenId, "") == ONERC721RECEIVED_FUNCTION_SIGNATURE); | |
} | |
} | |
/// @notice Change or reaffirm the approved address for an NFT. | |
/// @dev The zero address indicates there is no approved address. | |
/// Throws unless `msg.sender` is the current NFT owner, or an authorized | |
/// operator of the current owner. | |
/// @param _approved The new approved NFT controller | |
/// @param _tokenId The NFT to approve | |
function approve(address _approved, uint256 _tokenId) external payable | |
tokenExists(_tokenId) | |
allowedToOperate(_tokenId) { | |
address owner = ownerOfToken[_tokenId]; | |
internalApprove(owner, _approved, _tokenId); | |
} | |
/// @notice Enable or disable approval for a third party ("operator") to manage | |
/// all of `msg.sender`'s assets. | |
/// @dev Emits the ApprovalForAll event. The contract MUST allow | |
/// multiple operators per owner. | |
/// @param _operator Address to add to the set of authorized operators. | |
/// @param _approved True if the operator is approved, false to revoke approval | |
function setApprovalForAll(address _operator, bool _approved) external { | |
require(_operator != msg.sender); // can't make oneself an operator | |
operators[msg.sender][_operator] = _approved; | |
emit ApprovalForAll(msg.sender, _operator, _approved); | |
} | |
/* public View Functions */ | |
/// @notice Count NFTs tracked by this contract | |
/// @return A count of valid NFTs tracked by this contract, where each one of | |
/// them has an assigned and queryable owner not equal to the zero address | |
function totalSupply() public view returns (uint256) { | |
return allTokens.length; | |
} | |
/// @notice Find the owner of an NFT | |
/// @param _tokenId The identifier for an NFT | |
/// @dev NFTs assigned to zero address are considered invalid, and queries | |
/// about them do throw. | |
/// @return The address of the owner of the NFT | |
function ownerOf(uint256 _tokenId) external view | |
tokenExists(_tokenId) returns (address) { | |
return ownerOfToken[_tokenId]; | |
} | |
/// @notice Enumerate valid NFTs | |
/// @dev Throws if `_index` >= `totalSupply()`. | |
/// @param _index A counter less than `totalSupply()` | |
/// @return The token identifier for the `_index`th NFT, | |
/// (sort order not specified) | |
function tokenByIndex(uint256 _index) external view returns (uint256) { | |
require(_index < allTokens.length); | |
return allTokens[_index]; | |
} | |
/// @notice Enumerate NFTs assigned to an owner | |
/// @dev Throws if `_index` >= `balanceOf(_owner)` or if | |
/// `_owner` is the zero address, representing invalid NFTs. | |
/// @param _owner An address where we are interested in NFTs owned by them | |
/// @param _index A counter less than `balanceOf(_owner)` | |
/// @return The token identifier for the `_index`th NFT assigned to `_owner`, | |
/// (sort order not specified) | |
function tokenOfOwnerByIndex(address _owner, uint256 _index) external view | |
tokenExists(_tokenId) returns (uint256 _tokenId) { | |
require(_index < ownedTokens[_owner].length); | |
return ownedTokens[_owner][_index]; | |
} | |
/// @notice Count all NFTs assigned to an owner | |
/// @dev NFTs assigned to the zero address are considered invalid, and this | |
/// function throws for queries about the zero address. | |
/// @param _owner An address for whom to query the balance | |
/// @return The number of NFTs owned by `_owner`, possibly zero | |
function balanceOf(address _owner) external view returns (uint256) { | |
require(_owner != 0); | |
return ownedTokens[_owner].length; | |
} | |
/// @notice Get the approved address for a single NFT | |
/// @dev Throws if `_tokenId` is not a valid NFT | |
/// @param _tokenId The NFT to find the approved address for | |
// todo: The approved address for this NFT, or the zero address if there is none | |
function getApproved(uint256 _tokenId) external view | |
tokenExists(_tokenId) returns (address) { | |
return approvedOwnerOfToken[_tokenId]; | |
} | |
/// @notice Query if an address is an authorized operator for another address | |
/// @param _owner The address that owns the NFTs | |
/// @param _operator The address that acts on behalf of the owner | |
/// @return True if `_operator` is an approved operator for `_owner`, false otherwise | |
function isApprovedForAll(address _owner, address _operator) external view returns (bool) { | |
return operators[_owner][_operator]; | |
} | |
/// @notice A distinct Uniform Resource Identifier (URI) for a given asset. | |
/// @dev Throws if `_tokenId` is not a valid NFT. URIs are defined in RFC | |
/// 3986. The URI may point to a JSON file that conforms to the "ERC721 | |
/// Metadata JSON Schema". | |
function tokenURI(uint256 _tokenId) external view returns (string) { | |
return tokenURIs[_tokenId]; | |
} | |
/// @notice Query if a contract implements an interface | |
/// @param interfaceID The interface identifier, as specified in ERC-165 | |
/// @dev Interface identification is specified in ERC-165. This function | |
/// uses less than 30,000 gas. | |
/// @return `true` if the contract implements `interfaceID` and | |
/// `interfaceID` is not 0xffffffff, `false` otherwise | |
function supportsInterface(bytes4 interfaceID) external view returns (bool) { | |
if (interfaceID == ERC721_BASE_INTERFACE_SIGNATURE || | |
interfaceID == ERC721_METADATA_INTERFACE_SIGNATURE || | |
interfaceID == ERC721_ENUMERABLE_INTERFACE_SIGNATURE) { | |
return true; | |
} else { return false; } | |
} | |
/* -- Internal Functions -- */ | |
function checkIfAllowedToOperate(uint256 _tokenId) internal view returns (bool) { | |
return ownerOfToken[_tokenId] == msg.sender || operators[ownerOfToken[_tokenId]][msg.sender]; | |
} | |
function internalApprove(address _owner, address _approved, uint256 _tokenId) internal { | |
require(_approved != _owner); //can't approve to owner to itself | |
// Note: the following code is equivalent to: require(getApproved(_tokenId) != 0) || _approved != 0); | |
// However: I found the following easier to read & understand. | |
if (approvedOwnerOfToken[_tokenId] == 0 && _approved == 0) { | |
revert(); // add reason for revert? | |
} else { | |
approvedOwnerOfToken[_tokenId] = _approved; | |
emit Approval(_owner, _approved, _tokenId); | |
} | |
} | |
function settleTransfer(address _from, address _to, uint256 _tokenId) internal { | |
//clear pending approvals if there are any | |
if (approvedOwnerOfToken[_tokenId] != 0) { | |
internalApprove(_from, 0, _tokenId); | |
} | |
removeToken(_from, _tokenId); | |
addToken(_to, _tokenId); | |
emit Transfer(_from, _to, _tokenId); | |
} | |
function addToken(address _to, uint256 _tokenId) internal { | |
// add new token to all tokens | |
allTokens.push(_tokenId); | |
// add new token to index of all tokens. | |
allTokensIndex[_tokenId] = allTokens.length-1; | |
// set token to be owned by address _to | |
ownerOfToken[_tokenId] = _to; | |
// add that token to an array keeping track of tokens owned by that address | |
ownedTokens[_to].push(_tokenId); | |
// add newly pushed to index. | |
ownedTokensIndex[_tokenId] = ownedTokens[_to].length-1; | |
} | |
function removeToken(address _from, uint256 _tokenId) internal { | |
// remove token from allTokens array. | |
uint256 allIndex = allTokensIndex[_tokenId]; | |
uint256 allTokensLength = allTokens.length; | |
//1) Put last tokenID into index of tokenID to be removed. | |
allTokens[allIndex] = allTokens[allTokensLength - 1]; | |
//2) Take last tokenID that has been moved to the removed token & update its new index | |
allTokensIndex[allTokens[allTokensLength-1]] = allIndex; | |
//3) delete last item (since it's now a duplicate) | |
delete allTokens[allTokensLength-1]; | |
//4) reduce length of array | |
allTokens.length -= 1; | |
// remove token from owner array. | |
// get the index of where this token is in the owner's array | |
uint256 ownerIndex = ownedTokensIndex[_tokenId]; | |
uint256 ownerLength = ownedTokens[_from].length; | |
/* Remove Token From Index */ | |
//1) Put last tokenID into index of token to be removed. | |
ownedTokens[_from][ownerIndex] = ownedTokens[_from][ownerLength-1]; | |
//2) Take last item that has been moved to the removed token & update its index | |
ownedTokensIndex[ownedTokens[_from][ownerLength-1]] = ownerIndex; | |
//3) delete last item (since it's now a duplicate) | |
delete ownedTokens[_from][ownerLength-1]; | |
//4) reduce length of array | |
ownedTokens[_from].length -= 1; | |
delete ownerOfToken[_tokenId]; | |
} | |
} | |
// File: contracts\artifaqt\Artifaqt.sol | |
contract Artifaqt is EIP721 { | |
address public admin; | |
// Bool to pause transfers | |
bool transferResumed = false; | |
// Array holding the sin hashes | |
bytes32[] private sins; | |
// Mapping from token ID to token type | |
mapping(uint256 => uint256) internal typeOfToken; | |
// Cutoff minting time | |
uint256 cutoffMintingTime = 1565169880; | |
event ToppedUp(uint256 _value); | |
uint256 public blocksplitWinners = 0; | |
mapping (address => bool) public blocksplitWinnerMapping; | |
mapping (uint256 => address[]) public winnersPerChest; | |
address public masterWinner; | |
/// @notice Contract constructor | |
/// Generates the keccak256 hashes of each sin that will be used | |
/// when claiming tokens. Saves the admin. Sets a name and symbol. | |
constructor() public { | |
// Nothing at all | |
// sins.push(keccak256("Empty slot to satisfy the gods of zero-indexing")); | |
sins.push(keccak256("riva-palace-model")); | |
sins.push(keccak256("vestibul-peristil")); | |
sins.push(keccak256("na-kantunu")); | |
sins.push(keccak256("golden-gate")); | |
sins.push(keccak256("24pointclock")); | |
sins.push(keccak256("bajamonti-fountain")); | |
sins.push(keccak256("matejuska")); | |
// Set owner | |
admin = msg.sender; | |
// Default name and symbol | |
name = "Blocksplit 2019 Tokenhunt"; | |
symbol = "keyz"; | |
} | |
/// @notice Claim tokens by providing the sin payload | |
/// Reverts unless the payload was correctly created. Reverts after the party is over and no more tokens should be created. | |
/// @param _sinPayload = keccak256(keccak256(sin) + playerAddress) | |
/// sin must be one of strings hashed in the constructor that the player will find scattered across the DevCon4 conference | |
function claimToken( | |
bytes32 _sinPayload | |
) external mintingAllowed { | |
// Make sure it's the correct sin | |
uint256 tokenType; | |
bool found = false; | |
for(uint256 i = 0; i < 7; i++) { | |
if (_sinPayload == keccak256(abi.encodePacked(sins[i], msg.sender))) { | |
tokenType = i; | |
found = true; | |
break; | |
} | |
} | |
require(found == true, "Payload does not match available token"); | |
// Make sure the user does not have this type of token | |
require(ownerHasTokenType(msg.sender, tokenType) == false, "User must not have this token yet"); | |
// Create and add token | |
uint256 tokenId = totalSupply(); | |
addToken(msg.sender, tokenId, tokenType); | |
// Emit create event | |
emit Transfer(0x0, msg.sender, tokenId); | |
} | |
/// @notice The admin can generate tokens for players | |
/// Reverts unless the user already has the token type. Reverts unless the minting happens withing the minting allowed time period. | |
/// @param _to The player's address | |
/// @param _tokenType A number from 0 to 4 representing the item type | |
function mintToken( | |
address _to, | |
uint256 _tokenType | |
) external onlyAdmin mintingAllowed { | |
// Create and add token | |
uint256 tokenId = totalSupply(); | |
addToken(_to, tokenId, _tokenType); | |
// Emit create event | |
emit Transfer(0x0, _to, tokenId); | |
} | |
/// @notice Returns the token id, owner and type | |
/// Throws unless _tokenId exists | |
/// @param _tokenId The token by id | |
/// return | |
/// - token index | |
/// - owner of token | |
/// - type of token | |
function getToken( | |
uint256 _tokenId | |
) external view returns (uint256, address, uint256) { | |
return ( | |
allTokensIndex[_tokenId], | |
ownerOfToken[_tokenId], | |
typeOfToken[_tokenId] | |
); | |
} | |
/// @notice Returns the claimed tokens for player | |
/// Returns an empty array if player does not have any claimed tokens | |
/// @param _player The player's address | |
function getTokenTypes( | |
address _player | |
) external view returns (uint256[]) { | |
uint256[] memory claimedTokens = new uint256[](ownedTokens[_player].length); | |
for (uint256 i = 0; i < ownedTokens[_player].length; i++) { | |
claimedTokens[i] = typeOfToken[ownedTokens[_player][i]]; | |
} | |
return claimedTokens; | |
} | |
function () public payable { | |
emit ToppedUp(msg.value); | |
} | |
function withdrawEther() external onlyAdmin { | |
admin.transfer(address(this).balance); | |
} | |
function claimPrize(uint256 _chestNum) external { | |
require(ownerHasTokenType(msg.sender, _chestNum) == true, "User must have this token"); | |
giveBlocksplit(msg.sender, false); | |
uint256 winnersForChest = winnersPerChest[_chestNum].length; | |
for (uint8 i = 0; i < winnersForChest; i = i + 1) { | |
require (winnersPerChest[_chestNum][i] != msg.sender, "Winner must not already have claimed this chest"); | |
} | |
uint256 prize = 0; | |
if (winnersForChest == 0) { | |
prize = 0.3 ether; | |
} | |
if (winnersForChest > 0) { | |
prize = 0.15 ether; | |
} | |
if (winnersForChest > 2) { | |
prize = 0; | |
} | |
if (prize > 0 && address(this).balance >= prize) { | |
address(msg.sender).transfer(prize); | |
} | |
winnersPerChest[_chestNum].push(msg.sender); | |
} | |
function claimMasterPrize() external { | |
// make it only claimable once!!! | |
require(masterWinner == address(0), "Prize must not have been claimed"); | |
require(ownerHasTokenType(msg.sender, 0) == true, "User must have token 0"); | |
require(ownerHasTokenType(msg.sender, 1) == true, "User must have token 1"); | |
require(ownerHasTokenType(msg.sender, 2) == true, "User must have token 2"); | |
require(ownerHasTokenType(msg.sender, 3) == true, "User must have token 3"); | |
require(ownerHasTokenType(msg.sender, 4) == true, "User must have token 4"); | |
require(ownerHasTokenType(msg.sender, 5) == true, "User must have token 5"); | |
require(ownerHasTokenType(msg.sender, 6) == true, "User must have token 6"); | |
masterWinner = msg.sender; | |
giveBlocksplit(msg.sender, true); | |
if (address(this).balance >= 1 ether) { | |
address(msg.sender).transfer(1 ether); | |
} else { | |
address(msg.sender).transfer(address(this).balance); | |
} | |
} | |
function giveBlocksplit(address _beneficiary, bool _masterprize) internal { | |
if (((blocksplitWinners < 6 && !_masterprize) || _masterprize) && blocksplitWinnerMapping[_beneficiary] == false) { | |
blocksplitWinners = blocksplitWinners + 1; | |
blocksplitWinnerMapping[_beneficiary] = true; | |
} | |
} | |
// TODO: Do not allow any kind of transfers if transfer is paused | |
/// @notice Transfers the ownership of a token | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
/// @param data Additional data with no specified format, sent in call to `_to` | |
function safeTransferFrom( | |
address _from, | |
address _to, | |
uint256 _tokenId, | |
bytes data | |
) public payable transferAllowed { | |
super.safeTransferFrom(_from, _to, _tokenId, data); | |
} | |
/// @notice Transfers the ownership of an NFT from one address to another address | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
function safeTransferFrom( | |
address _from, | |
address _to, | |
uint256 _tokenId | |
) public payable transferAllowed { | |
super.safeTransferFrom(_from, _to, _tokenId); | |
} | |
/// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE | |
/// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE | |
/// THEY MAY BE PERMANENTLY LOST | |
/// @param _from The current owner of the NFT | |
/// @param _to The new owner | |
/// @param _tokenId The NFT to transfer | |
function transferFrom( | |
address _from, | |
address _to, | |
uint256 _tokenId | |
) public payable transferAllowed { | |
super.transferFrom(_from, _to, _tokenId); | |
} | |
/// @notice Enables or disables transfers | |
/// If it is set to `false` all functions that transfer tokens are paused and will revert. | |
/// Functions that approve transfers (`approve()` and `setTransferForAll()`) still work | |
/// because they do not transfer tokens immediately. | |
/// @param _resume This should be set to `true` if transfers should be enabled, `false` otherwise | |
function allowTransfer(bool _resume) public onlyAdmin { | |
transferResumed = _resume; | |
} | |
/// @notice Returns true of the `_player` has the requested `_tokenType` | |
/// @param _player The player's address | |
/// @param _tokenType A number from 0 to 8 representing the sin type | |
function ownerHasTokenType( | |
address _player, | |
uint256 _tokenType | |
) internal view returns (bool) { | |
for (uint256 i = 0; i < ownedTokens[_player].length; i++) { | |
if (typeOfToken[ownedTokens[_player][i]] == _tokenType) { | |
return true; | |
} | |
} | |
return false; | |
} | |
/// @notice Adds a token for the player | |
/// Calls the `super.addToken(address _to, uint256 _tokenId)` method and | |
/// saves the token type also. The `_tokenId` must not already exist. | |
/// @param _to The player's address | |
/// @param _tokenId The new token id | |
/// @param _tokenType A number from 0 to 8 representing the sin type | |
function addToken( | |
address _to, | |
uint256 _tokenId, | |
uint256 _tokenType | |
) internal { | |
super.addToken(_to, _tokenId); | |
// Save token type | |
typeOfToken[_tokenId] = _tokenType; | |
} | |
modifier onlyAdmin() { | |
require(msg.sender == admin); | |
_; | |
} | |
modifier mintingAllowed() { | |
require(block.timestamp <= cutoffMintingTime); | |
_; | |
} | |
modifier transferAllowed() { | |
require(transferResumed); | |
_; | |
} | |
} |
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