Created
December 13, 2020 06:32
-
-
Save skyfly200/39c1edb6841699e24d9b0d3d011e4ae1 to your computer and use it in GitHub Desktop.
Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.5.17+commit.d19bba13.js&optimize=false&runs=200&gist=
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.5.0; | |
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.3.0/contracts/math/SafeMath.sol"; | |
/** | |
* @title Storage | |
* @dev Store & retreive value in a variable | |
*/ | |
contract Storage { | |
uint256 number; | |
using SafeMath for uint256; | |
/** | |
* @dev Store value in variable | |
* @param num value to store | |
*/ | |
function store(uint256 num) public { | |
number = num; | |
} | |
/** | |
* @dev Return value | |
* @return value of 'number' | |
*/ | |
function retreive(uint256 mod, uint256 index) public view returns (bool){ | |
// calculate hatching switch | |
bool hatching = ( | |
mod > 0 && | |
uint256(index).mod(mod) == 0 | |
); | |
return hatching; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity >=0.4.22 <0.7.0; | |
/** | |
* @title Owner | |
* @dev Set & change owner | |
*/ | |
contract Owner { | |
address private owner; | |
// event for EVM logging | |
event OwnerSet(address indexed oldOwner, address indexed newOwner); | |
// modifier to check if caller is owner | |
modifier isOwner() { | |
// If the first argument of 'require' evaluates to 'false', execution terminates and all | |
// changes to the state and to Ether balances are reverted. | |
// This used to consume all gas in old EVM versions, but not anymore. | |
// It is often a good idea to use 'require' to check if functions are called correctly. | |
// As a second argument, you can also provide an explanation about what went wrong. | |
require(msg.sender == owner, "Caller is not owner"); | |
_; | |
} | |
/** | |
* @dev Set contract deployer as owner | |
*/ | |
constructor() public { | |
owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor | |
emit OwnerSet(address(0), owner); | |
} | |
/** | |
* @dev Change owner | |
* @param newOwner address of new owner | |
*/ | |
function changeOwner(address newOwner) public isOwner { | |
emit OwnerSet(owner, newOwner); | |
owner = newOwner; | |
} | |
/** | |
* @dev Return owner address | |
* @return address of owner | |
*/ | |
function getOwner() external view returns (address) { | |
return owner; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity >=0.4.22 <0.7.0; | |
/** | |
* @title Ballot | |
* @dev Implements voting process along with vote delegation | |
*/ | |
contract Ballot { | |
struct Voter { | |
uint weight; // weight is accumulated by delegation | |
bool voted; // if true, that person already voted | |
address delegate; // person delegated to | |
uint vote; // index of the voted proposal | |
} | |
struct Proposal { | |
// If you can limit the length to a certain number of bytes, | |
// always use one of bytes1 to bytes32 because they are much cheaper | |
bytes32 name; // short name (up to 32 bytes) | |
uint voteCount; // number of accumulated votes | |
} | |
address public chairperson; | |
mapping(address => Voter) public voters; | |
Proposal[] public proposals; | |
/** | |
* @dev Create a new ballot to choose one of 'proposalNames'. | |
* @param proposalNames names of proposals | |
*/ | |
constructor(bytes32[] memory proposalNames) public { | |
chairperson = msg.sender; | |
voters[chairperson].weight = 1; | |
for (uint i = 0; i < proposalNames.length; i++) { | |
// 'Proposal({...})' creates a temporary | |
// Proposal object and 'proposals.push(...)' | |
// appends it to the end of 'proposals'. | |
proposals.push(Proposal({ | |
name: proposalNames[i], | |
voteCount: 0 | |
})); | |
} | |
} | |
/** | |
* @dev Give 'voter' the right to vote on this ballot. May only be called by 'chairperson'. | |
* @param voter address of voter | |
*/ | |
function giveRightToVote(address voter) public { | |
require( | |
msg.sender == chairperson, | |
"Only chairperson can give right to vote." | |
); | |
require( | |
!voters[voter].voted, | |
"The voter already voted." | |
); | |
require(voters[voter].weight == 0); | |
voters[voter].weight = 1; | |
} | |
/** | |
* @dev Delegate your vote to the voter 'to'. | |
* @param to address to which vote is delegated | |
*/ | |
function delegate(address to) public { | |
Voter storage sender = voters[msg.sender]; | |
require(!sender.voted, "You already voted."); | |
require(to != msg.sender, "Self-delegation is disallowed."); | |
while (voters[to].delegate != address(0)) { | |
to = voters[to].delegate; | |
// We found a loop in the delegation, not allowed. | |
require(to != msg.sender, "Found loop in delegation."); | |
} | |
sender.voted = true; | |
sender.delegate = to; | |
Voter storage delegate_ = voters[to]; | |
if (delegate_.voted) { | |
// If the delegate already voted, | |
// directly add to the number of votes | |
proposals[delegate_.vote].voteCount += sender.weight; | |
} else { | |
// If the delegate did not vote yet, | |
// add to her weight. | |
delegate_.weight += sender.weight; | |
} | |
} | |
/** | |
* @dev Give your vote (including votes delegated to you) to proposal 'proposals[proposal].name'. | |
* @param proposal index of proposal in the proposals array | |
*/ | |
function vote(uint proposal) public { | |
Voter storage sender = voters[msg.sender]; | |
require(sender.weight != 0, "Has no right to vote"); | |
require(!sender.voted, "Already voted."); | |
sender.voted = true; | |
sender.vote = proposal; | |
// If 'proposal' is out of the range of the array, | |
// this will throw automatically and revert all | |
// changes. | |
proposals[proposal].voteCount += sender.weight; | |
} | |
/** | |
* @dev Computes the winning proposal taking all previous votes into account. | |
* @return winningProposal_ index of winning proposal in the proposals array | |
*/ | |
function winningProposal() public view | |
returns (uint winningProposal_) | |
{ | |
uint winningVoteCount = 0; | |
for (uint p = 0; p < proposals.length; p++) { | |
if (proposals[p].voteCount > winningVoteCount) { | |
winningVoteCount = proposals[p].voteCount; | |
winningProposal_ = p; | |
} | |
} | |
} | |
/** | |
* @dev Calls winningProposal() function to get the index of the winner contained in the proposals array and then | |
* @return winnerName_ the name of the winner | |
*/ | |
function winnerName() public view | |
returns (bytes32 winnerName_) | |
{ | |
winnerName_ = proposals[winningProposal()].name; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.5.0; | |
import "./GenArt721.sol"; | |
//import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.3.0/contracts/token/ERC721/IERC721Receiver.sol"; | |
contract AuxMinter { | |
//address public ArtBlocksAddress = 0x7b404C05733344eA9a618b95B21Ad27090B53456; // rikeby | |
//address public ArtBlocksAddress = 0x059edd72cd353df5106d2b9cc5ab83a52287ac3a; // mainnet | |
GenArt721 artBlocks; | |
address public ArtBlocksAddress; | |
constructor(address artBlocksAddress) public { | |
ArtBlocksAddress = artBlocksAddress; | |
artBlocks = GenArt721(ArtBlocksAddress); | |
} | |
function mintIfMatches(uint256 projectID, bytes32 hashExpected) public payable returns(bytes memory) { | |
// LOAD INFO FROM ART BLOCKS | |
( , uint256 pricePerTokenInWei, uint256 invocations, uint256 maxInvocations, bool active, , ) = artBlocks.projectTokenInfo(projectID); | |
// reject if inactive or sold out | |
require(active, "Inactive"); | |
require(invocations < maxInvocations, "Sold Out"); | |
// calculate blockhash | |
bytes32 hash = keccak256(abi.encodePacked(invocations, block.number, address(this))); | |
// reject if hash isnt as expected | |
require(hash == hashExpected, "Unexpected Hash"); | |
// Buy the token | |
(bool success, bytes memory returnData) = address(ArtBlocksAddress).call.value(pricePerTokenInWei)( | |
abi.encodeWithSignature("purchaseTo(address, uint)", address(msg.sender), projectID) | |
); | |
require(success); | |
return returnData; | |
} | |
function mint(uint256 projectID) public payable returns(bool, bytes memory) { | |
// Buy the token | |
(bool success, bytes memory returnData) = address(ArtBlocksAddress).call.value(msg.value).gas(100000)( | |
abi.encodeWithSignature("purchaseTo(address, uint)", address(msg.sender), projectID) | |
); | |
require(success); | |
return (success, returnData); | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.5.0; | |
import "./GenArt721.sol"; | |
contract Buyer { | |
//address public ArtBlocksAddress = 0x7b404C05733344eA9a618b95B21Ad27090B53456; // rikeby | |
//address public ArtBlocksAddress = 0x059edd72cd353df5106d2b9cc5ab83a52287ac3a; // mainnet | |
GenArt721 artBlocks; | |
address public ArtBlocksAddress; | |
uint256 price; | |
constructor(address artBlocksAddress) public { | |
ArtBlocksAddress = artBlocksAddress; | |
artBlocks = GenArt721(artBlocksAddress); | |
} | |
function mintIfMatches(uint256 projectID, bytes32 hashExpected) public payable returns(bytes memory) { | |
// LOAD INFO FROM ART BLOCKS | |
( , uint256 pricePerTokenInWei, uint256 invocations, uint256 maxInvocations, bool active, , ) = artBlocks.projectTokenInfo(projectID); | |
// reject if inactive or sold out | |
require(active, "Inactive"); | |
require(invocations < maxInvocations, "Sold Out"); | |
// calculate blockhash | |
bytes32 hash = keccak256(abi.encodePacked(invocations, block.number, address(this))); | |
// reject if hash isnt as expected | |
require(hash == hashExpected, "Unexpected Hash"); | |
// Buy the token | |
(bool success, bytes memory returnData) = address(ArtBlocksAddress).call.value(pricePerTokenInWei)( | |
abi.encodeWithSignature("purchaseTo(address, uint)", msg.sender, projectID) | |
); | |
require(success); | |
return returnData; | |
} | |
function mint(uint256 projectID) public payable returns(bytes memory) { | |
// Buy the token | |
(bool success, bytes memory returnData) = address(ArtBlocksAddress).call.value(msg.value)( | |
abi.encodeWithSignature("purchaseTo(address, uint)", msg.sender, projectID) | |
); | |
require(success); | |
return returnData; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
*Submitted for verification at Etherscan.io on 2020-11-27 | |
*/ | |
// Sources flattened with buidler v1.4.7 https://buidler.dev | |
// File contracts/libs/IERC165.sol | |
// File: openzeppelin-solidity/contracts/introspection/IERC165.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @dev Interface of the ERC165 standard, as defined in the | |
* [EIP](https://eips.ethereum.org/EIPS/eip-165). | |
* | |
* Implementers can declare support of contract interfaces, which can then be | |
* queried by others (`ERC165Checker`). | |
* | |
* For an implementation, see `ERC165`. | |
*/ | |
interface IERC165 { | |
/** | |
* @dev Returns true if this contract implements the interface defined by | |
* `interfaceId`. See the corresponding | |
* [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) | |
* to learn more about how these ids are created. | |
* | |
* This function call must use less than 30 000 gas. | |
*/ | |
function supportsInterface(bytes4 interfaceId) external view returns (bool); | |
} | |
// File contracts/libs/ERC165.sol | |
// File: openzeppelin-solidity/contracts/introspection/ERC165.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @dev Implementation of the `IERC165` interface. | |
* | |
* Contracts may inherit from this and call `_registerInterface` to declare | |
* their support of an interface. | |
*/ | |
contract ERC165 is IERC165 { | |
/* | |
* bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7 | |
*/ | |
bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7; | |
/** | |
* @dev Mapping of interface ids to whether or not it's supported. | |
*/ | |
mapping(bytes4 => bool) private _supportedInterfaces; | |
constructor () internal { | |
// Derived contracts need only register support for their own interfaces, | |
// we register support for ERC165 itself here | |
_registerInterface(_INTERFACE_ID_ERC165); | |
} | |
/** | |
* @dev See `IERC165.supportsInterface`. | |
* | |
* Time complexity O(1), guaranteed to always use less than 30 000 gas. | |
*/ | |
function supportsInterface(bytes4 interfaceId) external view returns (bool) { | |
return _supportedInterfaces[interfaceId]; | |
} | |
/** | |
* @dev Registers the contract as an implementer of the interface defined by | |
* `interfaceId`. Support of the actual ERC165 interface is automatic and | |
* registering its interface id is not required. | |
* | |
* See `IERC165.supportsInterface`. | |
* | |
* Requirements: | |
* | |
* - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`). | |
*/ | |
function _registerInterface(bytes4 interfaceId) internal { | |
require(interfaceId != 0xffffffff, "ERC165: invalid interface id"); | |
_supportedInterfaces[interfaceId] = true; | |
} | |
} | |
// File contracts/libs/IERC721.sol | |
// File: openzeppelin-solidity/contracts/token/ERC721/IERC721.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @dev Required interface of an ERC721 compliant contract. | |
*/ | |
contract IERC721 is IERC165 { | |
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); | |
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); | |
event ApprovalForAll(address indexed owner, address indexed operator, bool approved); | |
/** | |
* @dev Returns the number of NFTs in `owner`'s account. | |
*/ | |
function balanceOf(address owner) public view returns (uint256 balance); | |
/** | |
* @dev Returns the owner of the NFT specified by `tokenId`. | |
*/ | |
function ownerOf(uint256 tokenId) public view returns (address owner); | |
/** | |
* @dev Transfers a specific NFT (`tokenId`) from one account (`from`) to | |
* another (`to`). | |
* | |
* | |
* | |
* Requirements: | |
* - `from`, `to` cannot be zero. | |
* - `tokenId` must be owned by `from`. | |
* - If the caller is not `from`, it must be have been allowed to move this | |
* NFT by either `approve` or `setApproveForAll`. | |
*/ | |
function safeTransferFrom(address from, address to, uint256 tokenId) public; | |
/** | |
* @dev Transfers a specific NFT (`tokenId`) from one account (`from`) to | |
* another (`to`). | |
* | |
* Requirements: | |
* - If the caller is not `from`, it must be approved to move this NFT by | |
* either `approve` or `setApproveForAll`. | |
*/ | |
function transferFrom(address from, address to, uint256 tokenId) public; | |
function approve(address to, uint256 tokenId) public; | |
function getApproved(uint256 tokenId) public view returns (address operator); | |
function setApprovalForAll(address operator, bool _approved) public; | |
function isApprovedForAll(address owner, address operator) public view returns (bool); | |
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public; | |
} | |
// File contracts/libs/SafeMath.sol | |
// File: openzeppelin-solidity/contracts/math/SafeMath.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @dev Wrappers over Solidity's arithmetic operations with added overflow | |
* checks. | |
* | |
* Arithmetic operations in Solidity wrap on overflow. This can easily result | |
* in bugs, because programmers usually assume that an overflow raises an | |
* error, which is the standard behavior in high level programming languages. | |
* `SafeMath` restores this intuition by reverting the transaction when an | |
* operation overflows. | |
* | |
* Using this library instead of the unchecked operations eliminates an entire | |
* class of bugs, so it's recommended to use it always. | |
*/ | |
library SafeMath { | |
/** | |
* @dev Returns the addition of two unsigned integers, reverting on | |
* overflow. | |
* | |
* Counterpart to Solidity's `+` operator. | |
* | |
* Requirements: | |
* - Addition cannot overflow. | |
*/ | |
function add(uint256 a, uint256 b) internal pure returns (uint256) { | |
uint256 c = a + b; | |
require(c >= a, "SafeMath: addition overflow"); | |
return c; | |
} | |
/** | |
* @dev Returns the subtraction of two unsigned integers, reverting on | |
* overflow (when the result is negative). | |
* | |
* Counterpart to Solidity's `-` operator. | |
* | |
* Requirements: | |
* - Subtraction cannot overflow. | |
*/ | |
function sub(uint256 a, uint256 b) internal pure returns (uint256) { | |
require(b <= a, "SafeMath: subtraction overflow"); | |
uint256 c = a - b; | |
return c; | |
} | |
/** | |
* @dev Returns the multiplication of two unsigned integers, reverting on | |
* overflow. | |
* | |
* Counterpart to Solidity's `*` operator. | |
* | |
* Requirements: | |
* - Multiplication cannot overflow. | |
*/ | |
function mul(uint256 a, uint256 b) internal pure returns (uint256) { | |
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the | |
// benefit is lost if 'b' is also tested. | |
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 | |
if (a == 0) { | |
return 0; | |
} | |
uint256 c = a * b; | |
require(c / a == b, "SafeMath: multiplication overflow"); | |
return c; | |
} | |
/** | |
* @dev Returns the integer division of two unsigned integers. Reverts on | |
* division by zero. The result is rounded towards zero. | |
* | |
* Counterpart to Solidity's `/` operator. Note: this function uses a | |
* `revert` opcode (which leaves remaining gas untouched) while Solidity | |
* uses an invalid opcode to revert (consuming all remaining gas). | |
* | |
* Requirements: | |
* - The divisor cannot be zero. | |
*/ | |
function div(uint256 a, uint256 b) internal pure returns (uint256) { | |
// Solidity only automatically asserts when dividing by 0 | |
require(b > 0, "SafeMath: division by zero"); | |
uint256 c = a / b; | |
// assert(a == b * c + a % b); // There is no case in which this doesn't hold | |
return c; | |
} | |
} | |
// File contracts/libs/Address.sol | |
// File: openzeppelin-solidity/contracts/utils/Address.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @dev Collection of functions related to the address type, | |
*/ | |
library Address { | |
/** | |
* @dev Returns true if `account` is a contract. | |
* | |
* This test is non-exhaustive, and there may be false-negatives: during the | |
* execution of a contract's constructor, its address will be reported as | |
* not containing a contract. | |
* | |
* > It is unsafe to assume that an address for which this function returns | |
* false is an externally-owned account (EOA) and not a contract. | |
*/ | |
function isContract(address account) internal view returns (bool) { | |
// This method relies in extcodesize, which returns 0 for contracts in | |
// construction, since the code is only stored at the end of the | |
// constructor execution. | |
uint256 size; | |
// solhint-disable-next-line no-inline-assembly | |
assembly { size := extcodesize(account) } | |
return size > 0; | |
} | |
} | |
// File contracts/libs/Counters.sol | |
// File: openzeppelin-solidity/contracts/drafts/Counters.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @title Counters | |
* @author Matt Condon (@shrugs) | |
* @dev Provides counters that can only be incremented or decremented by one. This can be used e.g. to track the number | |
* of elements in a mapping, issuing ERC721 ids, or counting request ids. | |
* | |
* Include with `using Counters for Counters.Counter;` | |
* Since it is not possible to overflow a 256 bit integer with increments of one, `increment` can skip the SafeMath | |
* overflow check, thereby saving gas. This does assume however correct usage, in that the underlying `_value` is never | |
* directly accessed. | |
*/ | |
library Counters { | |
using SafeMath for uint256; | |
struct Counter { | |
// This variable should never be directly accessed by users of the library: interactions must be restricted to | |
// the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add | |
// this feature: see https://github.com/ethereum/solidity/issues/4637 | |
uint256 _value; // default: 0 | |
} | |
function current(Counter storage counter) internal view returns (uint256) { | |
return counter._value; | |
} | |
function increment(Counter storage counter) internal { | |
counter._value += 1; | |
} | |
function decrement(Counter storage counter) internal { | |
counter._value = counter._value.sub(1); | |
} | |
} | |
// File contracts/libs/IERC721Receiver.sol | |
// File: openzeppelin-solidity/contracts/token/ERC721/IERC721Receiver.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @title ERC721 token receiver interface | |
* @dev Interface for any contract that wants to support safeTransfers | |
* from ERC721 asset contracts. | |
*/ | |
contract IERC721Receiver { | |
function onERC721Received(address operator, address from, uint256 tokenId, bytes memory data) | |
public returns (bytes4); | |
} | |
// File contracts/libs/ERC721.sol | |
// File: openzeppelin-solidity/contracts/token/ERC721/ERC721.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @title ERC721 Non-Fungible Token Standard basic implementation | |
* @dev see https://eips.ethereum.org/EIPS/eip-721 | |
*/ | |
contract ERC721 is ERC165, IERC721 { | |
using SafeMath for uint256; | |
using Address for address; | |
using Counters for Counters.Counter; | |
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))` | |
// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector` | |
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02; | |
// Mapping from token ID to owner | |
mapping (uint256 => address) private _tokenOwner; | |
// Mapping from token ID to approved address | |
mapping (uint256 => address) private _tokenApprovals; | |
// Mapping from owner to number of owned token | |
mapping (address => Counters.Counter) private _ownedTokensCount; | |
// Mapping from owner to operator approvals | |
mapping (address => mapping (address => bool)) private _operatorApprovals; | |
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd; | |
constructor () public { | |
// register the supported interfaces to conform to ERC721 via ERC165 | |
_registerInterface(_INTERFACE_ID_ERC721); | |
} | |
function balanceOf(address owner) public view returns (uint256) { | |
require(owner != address(0), "ERC721: balance query for the zero address"); | |
return _ownedTokensCount[owner].current(); | |
} | |
function ownerOf(uint256 tokenId) public view returns (address) { | |
address owner = _tokenOwner[tokenId]; | |
require(owner != address(0), "ERC721: owner query for nonexistent token"); | |
return owner; | |
} | |
function approve(address to, uint256 tokenId) public { | |
address owner = ownerOf(tokenId); | |
require(to != owner, "ERC721: approval to current owner"); | |
require(msg.sender == owner || isApprovedForAll(owner, msg.sender), | |
"ERC721: approve caller is not owner nor approved for all" | |
); | |
_tokenApprovals[tokenId] = to; | |
emit Approval(owner, to, tokenId); | |
} | |
function getApproved(uint256 tokenId) public view returns (address) { | |
require(_exists(tokenId), "ERC721: approved query for nonexistent token"); | |
return _tokenApprovals[tokenId]; | |
} | |
function setApprovalForAll(address to, bool approved) public { | |
require(to != msg.sender, "ERC721: approve to caller"); | |
_operatorApprovals[msg.sender][to] = approved; | |
emit ApprovalForAll(msg.sender, to, approved); | |
} | |
function isApprovedForAll(address owner, address operator) public view returns (bool) { | |
return _operatorApprovals[owner][operator]; | |
} | |
function transferFrom(address from, address to, uint256 tokenId) public { | |
//solhint-disable-next-line max-line-length | |
require(_isApprovedOrOwner(msg.sender, tokenId), "ERC721: transfer caller is not owner nor approved"); | |
_transferFrom(from, to, tokenId); | |
} | |
function safeTransferFrom(address from, address to, uint256 tokenId) public { | |
safeTransferFrom(from, to, tokenId, ""); | |
} | |
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public { | |
transferFrom(from, to, tokenId); | |
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); | |
} | |
function _exists(uint256 tokenId) internal view returns (bool) { | |
address owner = _tokenOwner[tokenId]; | |
return owner != address(0); | |
} | |
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view returns (bool) { | |
require(_exists(tokenId), "ERC721: operator query for nonexistent token"); | |
address owner = ownerOf(tokenId); | |
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); | |
} | |
function _mint(address to, uint256 tokenId) internal { | |
require(to != address(0), "ERC721: mint to the zero address"); | |
require(!_exists(tokenId), "ERC721: token already minted"); | |
_tokenOwner[tokenId] = to; | |
_ownedTokensCount[to].increment(); | |
emit Transfer(address(0), to, tokenId); | |
} | |
function _burn(address owner, uint256 tokenId) internal { | |
require(ownerOf(tokenId) == owner, "ERC721: burn of token that is not own"); | |
_clearApproval(tokenId); | |
_ownedTokensCount[owner].decrement(); | |
_tokenOwner[tokenId] = address(0); | |
emit Transfer(owner, address(0), tokenId); | |
} | |
function _burn(uint256 tokenId) internal { | |
_burn(ownerOf(tokenId), tokenId); | |
} | |
function _transferFrom(address from, address to, uint256 tokenId) internal { | |
require(ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); | |
require(to != address(0), "ERC721: transfer to the zero address"); | |
_clearApproval(tokenId); | |
_ownedTokensCount[from].decrement(); | |
_ownedTokensCount[to].increment(); | |
_tokenOwner[tokenId] = to; | |
emit Transfer(from, to, tokenId); | |
} | |
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data) | |
internal returns (bool) | |
{ | |
if (!to.isContract()) { | |
return true; | |
} | |
bytes4 retval = IERC721Receiver(to).onERC721Received(msg.sender, from, tokenId, _data); | |
return (retval == _ERC721_RECEIVED); | |
} | |
function _clearApproval(uint256 tokenId) private { | |
if (_tokenApprovals[tokenId] != address(0)) { | |
_tokenApprovals[tokenId] = address(0); | |
} | |
} | |
} | |
// File contracts/libs/IERC721Enumerable.sol | |
// File: openzeppelin-solidity/contracts/token/ERC721/IERC721Enumerable.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension | |
* @dev See https://eips.ethereum.org/EIPS/eip-721 | |
*/ | |
contract IERC721Enumerable is IERC721 { | |
function totalSupply() public view returns (uint256); | |
function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256 tokenId); | |
function tokenByIndex(uint256 index) public view returns (uint256); | |
} | |
// File contracts/libs/ERC721Enumerable.sol | |
// File: openzeppelin-solidity/contracts/token/ERC721/ERC721Enumerable.sol | |
pragma solidity ^0.5.0; | |
/** | |
* @title ERC-721 Non-Fungible Token with optional enumeration extension logic | |
* @dev See https://eips.ethereum.org/EIPS/eip-721 | |
*/ | |
contract ERC721Enumerable is ERC165, ERC721, IERC721Enumerable { | |
// Mapping from owner to list of owned token IDs | |
mapping(address => uint256[]) private _ownedTokens; | |
// Mapping from token ID to index of the owner tokens list | |
mapping(uint256 => uint256) private _ownedTokensIndex; | |
// Array with all token ids, used for enumeration | |
uint256[] private _allTokens; | |
// Mapping from token id to position in the allTokens array | |
mapping(uint256 => uint256) private _allTokensIndex; | |
/* | |
* bytes4(keccak256('totalSupply()')) == 0x18160ddd | |
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59 | |
* bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7 | |
* | |
* => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63 | |
*/ | |
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63; | |
/** | |
* @dev Constructor function. | |
*/ | |
constructor () public { | |
// register the supported interface to conform to ERC721Enumerable via ERC165 | |
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE); | |
} | |
/** | |
* @dev Gets the token ID at a given index of the tokens list of the requested owner. | |
* @param owner address owning the tokens list to be accessed | |
* @param index uint256 representing the index to be accessed of the requested tokens list | |
* @return uint256 token ID at the given index of the tokens list owned by the requested address | |
*/ | |
function tokenOfOwnerByIndex(address owner, uint256 index) public view returns (uint256) { | |
require(index < balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); | |
return _ownedTokens[owner][index]; | |
} | |
/** | |
* @dev Gets the total amount of tokens stored by the contract. | |
* @return uint256 representing the total amount of tokens | |
*/ | |
function totalSupply() public view returns (uint256) { | |
return _allTokens.length; | |
} | |
/** | |
* @dev Gets the token ID at a given index of all the tokens in this contract | |
* Reverts if the index is greater or equal to the total number of tokens. | |
* @param index uint256 representing the index to be accessed of the tokens list | |
* @return uint256 token ID at the given index of the tokens list | |
*/ | |
function tokenByIndex(uint256 index) public view returns (uint256) { | |
require(index < totalSupply(), "ERC721Enumerable: global index out of bounds"); | |
return _allTokens[index]; | |
} | |
/** | |
* @dev Internal function to transfer ownership of a given token ID to another address. | |
* As opposed to transferFrom, this imposes no restrictions on msg.sender. | |
* @param from current owner of the token | |
* @param to address to receive the ownership of the given token ID | |
* @param tokenId uint256 ID of the token to be transferred | |
*/ | |
function _transferFrom(address from, address to, uint256 tokenId) internal { | |
super._transferFrom(from, to, tokenId); | |
_removeTokenFromOwnerEnumeration(from, tokenId); | |
_addTokenToOwnerEnumeration(to, tokenId); | |
} | |
/** | |
* @dev Internal function to mint a new token. | |
* Reverts if the given token ID already exists. | |
* @param to address the beneficiary that will own the minted token | |
* @param tokenId uint256 ID of the token to be minted | |
*/ | |
function _mint(address to, uint256 tokenId) internal { | |
super._mint(to, tokenId); | |
_addTokenToOwnerEnumeration(to, tokenId); | |
_addTokenToAllTokensEnumeration(tokenId); | |
} | |
/** | |
* @dev Internal function to burn a specific token. | |
* Reverts if the token does not exist. | |
* Deprecated, use _burn(uint256) instead. | |
* @param owner owner of the token to burn | |
* @param tokenId uint256 ID of the token being burned | |
*/ | |
function _burn(address owner, uint256 tokenId) internal { | |
super._burn(owner, tokenId); | |
_removeTokenFromOwnerEnumeration(owner, tokenId); | |
// Since tokenId will be deleted, we can clear its slot in _ownedTokensIndex to trigger a gas refund | |
_ownedTokensIndex[tokenId] = 0; | |
_removeTokenFromAllTokensEnumeration(tokenId); | |
} | |
/** | |
* @dev Gets the list of token IDs of the requested owner. | |
* @param owner address owning the tokens | |
* @return uint256[] List of token IDs owned by the requested address | |
*/ | |
function _tokensOfOwner(address owner) internal view returns (uint256[] storage) { | |
return _ownedTokens[owner]; | |
} | |
/** | |
* @dev Private function to add a token to this extension's ownership-tracking data structures. | |
* @param to address representing the new owner of the given token ID | |
* @param tokenId uint256 ID of the token to be added to the tokens list of the given address | |
*/ | |
function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { | |
_ownedTokensIndex[tokenId] = _ownedTokens[to].length; | |
_ownedTokens[to].push(tokenId); | |
} | |
/** | |
* @dev Private function to add a token to this extension's token tracking data structures. | |
* @param tokenId uint256 ID of the token to be added to the tokens list | |
*/ | |
function _addTokenToAllTokensEnumeration(uint256 tokenId) private { | |
_allTokensIndex[tokenId] = _allTokens.length; | |
_allTokens.push(tokenId); | |
} | |
/** | |
* @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that | |
* while the token is not assigned a new owner, the _ownedTokensIndex mapping is _not_ updated: this allows for | |
* gas optimizations e.g. when performing a transfer operation (avoiding double writes). | |
* This has O(1) time complexity, but alters the order of the _ownedTokens array. | |
* @param from address representing the previous owner of the given token ID | |
* @param tokenId uint256 ID of the token to be removed from the tokens list of the given address | |
*/ | |
function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { | |
// To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and | |
// then delete the last slot (swap and pop). | |
uint256 lastTokenIndex = _ownedTokens[from].length.sub(1); | |
uint256 tokenIndex = _ownedTokensIndex[tokenId]; | |
// When the token to delete is the last token, the swap operation is unnecessary | |
if (tokenIndex != lastTokenIndex) { | |
uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; | |
_ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token | |
_ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index | |
} | |
// This also deletes the contents at the last position of the array | |
_ownedTokens[from].length--; | |
// Note that _ownedTokensIndex[tokenId] hasn't been cleared: it still points to the old slot (now occupied by | |
// lastTokenId, or just over the end of the array if the token was the last one). | |
} | |
/** | |
* @dev Private function to remove a token from this extension's token tracking data structures. | |
* This has O(1) time complexity, but alters the order of the _allTokens array. | |
* @param tokenId uint256 ID of the token to be removed from the tokens list | |
*/ | |
function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { | |
// To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and | |
// then delete the last slot (swap and pop). | |
uint256 lastTokenIndex = _allTokens.length.sub(1); | |
uint256 tokenIndex = _allTokensIndex[tokenId]; | |
// When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so | |
// rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding | |
// an 'if' statement (like in _removeTokenFromOwnerEnumeration) | |
uint256 lastTokenId = _allTokens[lastTokenIndex]; | |
_allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token | |
_allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index | |
// This also deletes the contents at the last position of the array | |
_allTokens.length--; | |
_allTokensIndex[tokenId] = 0; | |
} | |
} | |
// File contracts/libs/CustomERC721Metadata.sol | |
// File: contracts/CustomERC721Metadata.sol | |
pragma solidity ^0.5.0; | |
/** | |
* ERC721 base contract without the concept of tokenUri as this is managed by the parent | |
*/ | |
contract CustomERC721Metadata is ERC165, ERC721, ERC721Enumerable { | |
// Token name | |
string private _name; | |
// Token symbol | |
string private _symbol; | |
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f; | |
/** | |
* @dev Constructor function | |
*/ | |
constructor (string memory name, string memory symbol) public { | |
_name = name; | |
_symbol = symbol; | |
// register the supported interfaces to conform to ERC721 via ERC165 | |
_registerInterface(_INTERFACE_ID_ERC721_METADATA); | |
} | |
/** | |
* @dev Gets the token name | |
* @return string representing the token name | |
*/ | |
function name() external view returns (string memory) { | |
return _name; | |
} | |
/** | |
* @dev Gets the token symbol | |
* @return string representing the token symbol | |
*/ | |
function symbol() external view returns (string memory) { | |
return _symbol; | |
} | |
} | |
// File contracts/libs/Strings.sol | |
// File: contracts/Strings.sol | |
pragma solidity ^0.5.0; | |
//https://github.com/oraclize/ethereum-api/blob/master/oraclizeAPI_0.5.sol | |
library Strings { | |
function strConcat(string memory _a, string memory _b) internal pure returns (string memory _concatenatedString) { | |
return strConcat(_a, _b, "", "", ""); | |
} | |
function strConcat(string memory _a, string memory _b, string memory _c) internal pure returns (string memory _concatenatedString) { | |
return strConcat(_a, _b, _c, "", ""); | |
} | |
function strConcat(string memory _a, string memory _b, string memory _c, string memory _d) internal pure returns (string memory _concatenatedString) { | |
return strConcat(_a, _b, _c, _d, ""); | |
} | |
function strConcat(string memory _a, string memory _b, string memory _c, string memory _d, string memory _e) internal pure returns (string memory _concatenatedString) { | |
bytes memory _ba = bytes(_a); | |
bytes memory _bb = bytes(_b); | |
bytes memory _bc = bytes(_c); | |
bytes memory _bd = bytes(_d); | |
bytes memory _be = bytes(_e); | |
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length); | |
bytes memory babcde = bytes(abcde); | |
uint k = 0; | |
uint i = 0; | |
for (i = 0; i < _ba.length; i++) { | |
babcde[k++] = _ba[i]; | |
} | |
for (i = 0; i < _bb.length; i++) { | |
babcde[k++] = _bb[i]; | |
} | |
for (i = 0; i < _bc.length; i++) { | |
babcde[k++] = _bc[i]; | |
} | |
for (i = 0; i < _bd.length; i++) { | |
babcde[k++] = _bd[i]; | |
} | |
for (i = 0; i < _be.length; i++) { | |
babcde[k++] = _be[i]; | |
} | |
return string(babcde); | |
} | |
function uint2str(uint _i) internal pure returns (string memory _uintAsString) { | |
if (_i == 0) { | |
return "0"; | |
} | |
uint j = _i; | |
uint len; | |
while (j != 0) { | |
len++; | |
j /= 10; | |
} | |
bytes memory bstr = new bytes(len); | |
uint k = len - 1; | |
while (_i != 0) { | |
bstr[k--] = byte(uint8(48 + _i % 10)); | |
_i /= 10; | |
} | |
return string(bstr); | |
} | |
} | |
// File contracts/GenArt721.sol | |
// File: contracts/GenArt721.sol | |
pragma solidity ^0.5.0; | |
contract GenArt721 is CustomERC721Metadata { | |
using SafeMath for uint256; | |
event Mint( | |
address indexed _to, | |
uint256 indexed _tokenId, | |
uint256 indexed _projectId, | |
uint256 _invocations, | |
uint256 _value | |
); | |
struct Project { | |
string name; | |
string artist; | |
string description; | |
string website; | |
string license; | |
bool dynamic; | |
address payable artistAddress; | |
address payable additionalPayee; | |
uint256 additionalPayeePercentage; | |
uint256 secondMarketRoyalty; | |
uint256 pricePerTokenInWei; | |
string projectBaseURI; | |
string projectBaseIpfsURI; | |
uint256 invocations; | |
uint256 maxInvocations; | |
string scriptJSON; | |
mapping(uint256 => string) scripts; | |
uint scriptCount; | |
string ipfsHash; | |
uint256 hashes; | |
bool useIpfs; | |
bool active; | |
bool locked; | |
bool paused; | |
} | |
uint256 constant ONE_MILLION = 1_000_000; | |
mapping(uint256 => Project) projects; | |
address payable public artblocksAddress; | |
uint256 public artblocksPercentage = 10; | |
mapping(uint256 => string) public staticIpfsImageLink; | |
mapping(uint256 => uint256) public tokenIdToProjectId; | |
mapping(uint256 => uint256[]) internal projectIdToTokenIds; | |
mapping(uint256 => bytes32[]) internal tokenIdToHashes; | |
mapping(bytes32 => uint256) public hashToTokenId; | |
address public admin; | |
mapping(address => bool) public isWhitelisted; | |
uint256 public nextProjectId; | |
modifier onlyValidTokenId(uint256 _tokenId) { | |
require(_exists(_tokenId), "Token ID does not exist"); | |
_; | |
} | |
modifier onlyUnlocked(uint256 _projectId) { | |
require(!projects[_projectId].locked, "Only if unlocked"); | |
_; | |
} | |
modifier onlyArtist(uint256 _projectId) { | |
require(msg.sender == projects[_projectId].artistAddress, "Only artist"); | |
_; | |
} | |
modifier onlyAdmin() { | |
require(msg.sender == admin, "Only admin"); | |
_; | |
} | |
modifier onlyWhitelisted() { | |
require(isWhitelisted[msg.sender], "Only whitelisted"); | |
_; | |
} | |
modifier onlyArtistOrWhitelisted(uint256 _projectId) { | |
require(isWhitelisted[msg.sender] || msg.sender == projects[_projectId].artistAddress, "Only artist or whitelisted"); | |
_; | |
} | |
constructor(string memory _tokenName, string memory _tokenSymbol) CustomERC721Metadata(_tokenName, _tokenSymbol) public { | |
admin = msg.sender; | |
isWhitelisted[msg.sender] = true; | |
artblocksAddress = msg.sender; | |
} | |
function purchase(uint256 _projectId) public payable returns (uint256 _tokenId) { | |
return purchaseTo(msg.sender, _projectId); | |
} | |
function purchaseTo(address _to, uint256 _projectId) public payable returns (uint256 _tokenId) { | |
require(msg.value >= projects[_projectId].pricePerTokenInWei, "Must send at least pricePerTokenInWei"); | |
require(projects[_projectId].invocations.add(1) <= projects[_projectId].maxInvocations, "Must not exceed max invocations"); | |
require(projects[_projectId].active || msg.sender == projects[_projectId].artistAddress, "Project must exist and be active"); | |
require(!projects[_projectId].paused || msg.sender == projects[_projectId].artistAddress, "Purchases are paused."); | |
uint256 tokenId = _mintToken(_to, _projectId); | |
_splitFunds(_projectId); | |
return tokenId; | |
} | |
function _mintToken(address _to, uint256 _projectId) internal returns (uint256 _tokenId) { | |
uint256 tokenIdToBe = (_projectId * ONE_MILLION) + projects[_projectId].invocations; | |
projects[_projectId].invocations = projects[_projectId].invocations.add(1); | |
for (uint256 i = 0; i < projects[_projectId].hashes; i++) { | |
bytes32 hash = keccak256(abi.encodePacked(projects[_projectId].invocations, block.number.add(i), msg.sender)); | |
tokenIdToHashes[tokenIdToBe].push(hash); | |
hashToTokenId[hash] = tokenIdToBe; | |
} | |
_mint(_to, tokenIdToBe); | |
tokenIdToProjectId[tokenIdToBe] = _projectId; | |
projectIdToTokenIds[_projectId].push(tokenIdToBe); | |
emit Mint(_to, tokenIdToBe, _projectId, projects[_projectId].invocations, projects[_projectId].pricePerTokenInWei); | |
return tokenIdToBe; | |
} | |
function _splitFunds(uint256 _projectId) internal { | |
if (msg.value > 0) { | |
uint256 pricePerTokenInWei = projects[_projectId].pricePerTokenInWei; | |
uint256 refund = msg.value.sub(projects[_projectId].pricePerTokenInWei); | |
if (refund > 0) { | |
msg.sender.transfer(refund); | |
} | |
uint256 foundationAmount = pricePerTokenInWei.div(100).mul(artblocksPercentage); | |
if (foundationAmount > 0) { | |
artblocksAddress.transfer(foundationAmount); | |
} | |
uint256 projectFunds = pricePerTokenInWei.sub(foundationAmount); | |
uint256 additionalPayeeAmount; | |
if (projects[_projectId].additionalPayeePercentage > 0) { | |
additionalPayeeAmount = projectFunds.div(100).mul(projects[_projectId].additionalPayeePercentage); | |
if (additionalPayeeAmount > 0) { | |
projects[_projectId].additionalPayee.transfer(additionalPayeeAmount); | |
} | |
} | |
uint256 creatorFunds = projectFunds.sub(additionalPayeeAmount); | |
if (creatorFunds > 0) { | |
projects[_projectId].artistAddress.transfer(creatorFunds); | |
} | |
} | |
} | |
function updateArtblocksAddress(address payable _artblocksAddress) public onlyAdmin { | |
artblocksAddress = _artblocksAddress; | |
} | |
function updateArtblocksPercentage(uint256 _artblocksPercentage) public onlyAdmin { | |
require(_artblocksPercentage <= 25, "Max of 25%"); | |
artblocksPercentage = _artblocksPercentage; | |
} | |
function addWhitelisted(address _address) public onlyAdmin { | |
isWhitelisted[_address] = true; | |
} | |
function removeWhitelisted(address _address) public onlyAdmin { | |
isWhitelisted[_address] = false; | |
} | |
function toggleProjectIsLocked(uint256 _projectId) public onlyWhitelisted onlyUnlocked(_projectId) { | |
projects[_projectId].locked = true; | |
} | |
function toggleProjectIsActive(uint256 _projectId) public onlyWhitelisted { | |
projects[_projectId].active = !projects[_projectId].active; | |
} | |
function updateProjectArtistAddress(uint256 _projectId, address payable _artistAddress) public onlyArtistOrWhitelisted(_projectId) { | |
projects[_projectId].artistAddress = _artistAddress; | |
} | |
function toggleProjectIsPaused(uint256 _projectId) public onlyArtist(_projectId) { | |
projects[_projectId].paused = !projects[_projectId].paused; | |
} | |
function addProject(uint256 _pricePerTokenInWei, bool _dynamic) public onlyWhitelisted { | |
uint256 projectId = nextProjectId; | |
projects[projectId].artistAddress = msg.sender; | |
projects[projectId].pricePerTokenInWei = _pricePerTokenInWei; | |
projects[projectId].paused=true; | |
projects[projectId].dynamic=_dynamic; | |
projects[projectId].maxInvocations = ONE_MILLION; | |
if (!_dynamic) { | |
projects[projectId].hashes = 0; | |
} else { | |
projects[projectId].hashes = 1; | |
} | |
nextProjectId = nextProjectId.add(1); | |
} | |
function updateProjectPricePerTokenInWei(uint256 _projectId, uint256 _pricePerTokenInWei) onlyArtist(_projectId) public { | |
projects[_projectId].pricePerTokenInWei = _pricePerTokenInWei; | |
} | |
function updateProjectName(uint256 _projectId, string memory _projectName) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
projects[_projectId].name = _projectName; | |
} | |
function updateProjectArtistName(uint256 _projectId, string memory _projectArtistName) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
projects[_projectId].artist = _projectArtistName; | |
} | |
function updateProjectAdditionalPayeeInfo(uint256 _projectId, address payable _additionalPayee, uint256 _additionalPayeePercentage) onlyArtist(_projectId) public { | |
require(_additionalPayeePercentage <= 100, "Max of 100%"); | |
projects[_projectId].additionalPayee = _additionalPayee; | |
projects[_projectId].additionalPayeePercentage = _additionalPayeePercentage; | |
} | |
function updateProjectSecondaryMarketRoyaltyPercentage(uint256 _projectId, uint256 _secondMarketRoyalty) onlyArtist(_projectId) public { | |
require(_secondMarketRoyalty <= 100, "Max of 100%"); | |
projects[_projectId].secondMarketRoyalty = _secondMarketRoyalty; | |
} | |
function updateProjectDescription(uint256 _projectId, string memory _projectDescription) onlyArtist(_projectId) public { | |
projects[_projectId].description = _projectDescription; | |
} | |
function updateProjectWebsite(uint256 _projectId, string memory _projectWebsite) onlyArtist(_projectId) public { | |
projects[_projectId].website = _projectWebsite; | |
} | |
function updateProjectLicense(uint256 _projectId, string memory _projectLicense) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
projects[_projectId].license = _projectLicense; | |
} | |
function updateProjectMaxInvocations(uint256 _projectId, uint256 _maxInvocations) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
require(_maxInvocations > projects[_projectId].invocations, "You must set max invocations greater than current invocations"); | |
require(_maxInvocations <= ONE_MILLION, "Cannot exceed 1,000,000"); | |
projects[_projectId].maxInvocations = _maxInvocations; | |
} | |
function updateProjectHashesGenerated(uint256 _projectId, uint256 _hashes) onlyUnlocked(_projectId) onlyWhitelisted() public { | |
require(projects[_projectId].invocations == 0, "Can not modify hashes generated after a token is minted."); | |
require(projects[_projectId].dynamic, "Can only modify hashes on dynamic projects."); | |
require(_hashes <= 100 && _hashes >= 0, "Hashes generated must be a positive integer and max hashes per invocation are 100"); | |
projects[_projectId].hashes = _hashes; | |
} | |
function addProjectScript(uint256 _projectId, string memory _script) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
projects[_projectId].scripts[projects[_projectId].scriptCount] = _script; | |
projects[_projectId].scriptCount = projects[_projectId].scriptCount.add(1); | |
} | |
function updateProjectScript(uint256 _projectId, uint256 _scriptId, string memory _script) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
require(_scriptId < projects[_projectId].scriptCount, "scriptId out of range"); | |
projects[_projectId].scripts[_scriptId] = _script; | |
} | |
function removeProjectLastScript(uint256 _projectId) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
require(projects[_projectId].scriptCount > 0, "there are no scripts to remove"); | |
delete projects[_projectId].scripts[projects[_projectId].scriptCount - 1]; | |
projects[_projectId].scriptCount = projects[_projectId].scriptCount.sub(1); | |
} | |
function updateProjectScriptJSON(uint256 _projectId, string memory _projectScriptJSON) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
projects[_projectId].scriptJSON = _projectScriptJSON; | |
} | |
function updateProjectIpfsHash(uint256 _projectId, string memory _ipfsHash) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
projects[_projectId].ipfsHash = _ipfsHash; | |
} | |
function updateProjectBaseURI(uint256 _projectId, string memory _newBaseURI) onlyArtist(_projectId) public { | |
projects[_projectId].projectBaseURI = _newBaseURI; | |
} | |
function updateProjectBaseIpfsURI(uint256 _projectId, string memory _projectBaseIpfsURI) onlyArtist(_projectId) public { | |
projects[_projectId].projectBaseIpfsURI = _projectBaseIpfsURI; | |
} | |
function toggleProjectUseIpfsForStatic(uint256 _projectId) onlyArtist(_projectId) public { | |
require(!projects[_projectId].dynamic, "can only set static IPFS hash for static projects"); | |
projects[_projectId].useIpfs = !projects[_projectId].useIpfs; | |
} | |
function toggleProjectIsDynamic(uint256 _projectId) onlyUnlocked(_projectId) onlyArtistOrWhitelisted(_projectId) public { | |
require(projects[_projectId].invocations == 0, "Can not switch after a token is minted."); | |
if (projects[_projectId].dynamic) { | |
projects[_projectId].hashes = 0; | |
} else { | |
projects[_projectId].hashes = 1; | |
} | |
projects[_projectId].dynamic = !projects[_projectId].dynamic; | |
} | |
function overrideTokenDynamicImageWithIpfsLink(uint256 _tokenId, string memory _ipfsHash) onlyArtist(tokenIdToProjectId[_tokenId]) public { | |
staticIpfsImageLink[_tokenId] = _ipfsHash; | |
} | |
function clearTokenIpfsImageUri(uint256 _tokenId) onlyArtist(tokenIdToProjectId[_tokenId]) public { | |
delete staticIpfsImageLink[tokenIdToProjectId[_tokenId]]; | |
} | |
function projectDetails(uint256 _projectId) view public returns (string memory projectName, string memory artist, string memory description, string memory website, string memory license, bool dynamic) { | |
projectName = projects[_projectId].name; | |
artist = projects[_projectId].artist; | |
description = projects[_projectId].description; | |
website = projects[_projectId].website; | |
license = projects[_projectId].license; | |
dynamic = projects[_projectId].dynamic; | |
} | |
function projectTokenInfo(uint256 _projectId) view public returns (address artistAddress, uint256 pricePerTokenInWei, uint256 invocations, uint256 maxInvocations, bool active, address additionalPayee, uint256 additionalPayeePercentage) { | |
artistAddress = projects[_projectId].artistAddress; | |
pricePerTokenInWei = projects[_projectId].pricePerTokenInWei; | |
invocations = projects[_projectId].invocations; | |
maxInvocations = projects[_projectId].maxInvocations; | |
active = projects[_projectId].active; | |
additionalPayee = projects[_projectId].additionalPayee; | |
additionalPayeePercentage = projects[_projectId].additionalPayeePercentage; | |
} | |
function projectScriptInfo(uint256 _projectId) view public returns (string memory scriptJSON, uint256 scriptCount, uint256 hashes, string memory ipfsHash, bool locked, bool paused) { | |
scriptJSON = projects[_projectId].scriptJSON; | |
scriptCount = projects[_projectId].scriptCount; | |
hashes = projects[_projectId].hashes; | |
ipfsHash = projects[_projectId].ipfsHash; | |
locked = projects[_projectId].locked; | |
paused = projects[_projectId].paused; | |
} | |
function projectScriptByIndex(uint256 _projectId, uint256 _index) view public returns (string memory){ | |
return projects[_projectId].scripts[_index]; | |
} | |
function projectURIInfo(uint256 _projectId) view public returns (string memory projectBaseURI, string memory projectBaseIpfsURI, bool useIpfs) { | |
projectBaseURI = projects[_projectId].projectBaseURI; | |
projectBaseIpfsURI = projects[_projectId].projectBaseIpfsURI; | |
useIpfs = projects[_projectId].useIpfs; | |
} | |
function projectShowAllTokens(uint _projectId) public view returns (uint256[] memory){ | |
return projectIdToTokenIds[_projectId]; | |
} | |
function showTokenHashes(uint _tokenId) public view returns (bytes32[] memory){ | |
return tokenIdToHashes[_tokenId]; | |
} | |
function tokensOfOwner(address owner) external view returns (uint256[] memory) { | |
return _tokensOfOwner(owner); | |
} | |
function getRoyaltyData(uint256 _tokenId) public view returns (address artistAddress, address additionalPayee, uint256 additionalPayeePercentage, uint256 royaltyFeeByID) { | |
artistAddress = projects[tokenIdToProjectId[_tokenId]].artistAddress; | |
additionalPayee = projects[tokenIdToProjectId[_tokenId]].additionalPayee; | |
additionalPayeePercentage = projects[tokenIdToProjectId[_tokenId]].additionalPayeePercentage; | |
royaltyFeeByID = projects[tokenIdToProjectId[_tokenId]].secondMarketRoyalty; | |
} | |
function tokenURI(uint256 _tokenId) external view onlyValidTokenId(_tokenId) returns (string memory) { | |
if (bytes(staticIpfsImageLink[_tokenId]).length > 0) { | |
return Strings.strConcat(projects[tokenIdToProjectId[_tokenId]].projectBaseIpfsURI, staticIpfsImageLink[_tokenId]); | |
} | |
if (!projects[tokenIdToProjectId[_tokenId]].dynamic && projects[tokenIdToProjectId[_tokenId]].useIpfs) { | |
return Strings.strConcat(projects[tokenIdToProjectId[_tokenId]].projectBaseIpfsURI, projects[tokenIdToProjectId[_tokenId]].ipfsHash); | |
} | |
return Strings.strConcat(projects[tokenIdToProjectId[_tokenId]].projectBaseURI, Strings.uint2str(_tokenId)); | |
} | |
} | |
// File contracts/mock/ERC721ReceiverMock.sol | |
// SPDX-License-Identifier: MIT | |
pragma solidity ^0.5.0; | |
contract ERC721ReceiverMock is IERC721Receiver { | |
bytes4 private _retval; | |
bool private _reverts; | |
event Received(address operator, address from, uint256 tokenId, bytes data, uint256 gas); | |
constructor (bytes4 retval, bool reverts) public { | |
_retval = retval; | |
_reverts = reverts; | |
} | |
function onERC721Received(address operator, address from, uint256 tokenId, bytes memory data) | |
public returns (bytes4) | |
{ | |
require(!_reverts, "ERC721ReceiverMock: reverting"); | |
emit Received(operator, from, tokenId, data, gasleft()); | |
return _retval; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.5.0; | |
pragma experimental ABIEncoderV2; | |
import "./GenArt721.sol"; | |
contract OmnipotentArtist { | |
address public ArtBlocksAddress = 0x7b404C05733344eA9a618b95B21Ad27090B53456; // rikeby | |
//address public ArtBlocksAddress = 0x059edd72cd353df5106d2b9cc5ab83a52287ac3a; // mainnet | |
GenArt721 artBlocks; | |
uint256 projectID = 0; | |
constructor() public { | |
artBlocks = GenArt721(ArtBlocksAddress); | |
} | |
// Core Hash calculations | |
function fullCalculate(uint256 blockNumber, uint256 invocations, address sender) public pure returns (bytes32){ | |
return keccak256(abi.encodePacked(invocations, blockNumber, sender)); | |
} | |
function calculate(uint256 blockNumber, uint256 invocations) public view returns (bytes32){ | |
return fullCalculate(invocations, blockNumber, msg.sender); | |
} | |
function calculate(uint256 blockNumber, address sender) public view returns (bytes32){ | |
( , , uint256 invocations, , , ,) = artBlocks.projectTokenInfo(projectID); | |
return fullCalculate(blockNumber, invocations + 1, sender); | |
} | |
function calculate(uint256 blockNumber) public view returns (bytes32){ | |
return calculate(blockNumber, msg.sender); | |
} | |
// Prediction Functions | |
function getNext() public view returns (uint256, bytes32){ | |
return ((block.number + 1), calculate((block.number + 1))); | |
} | |
function getNext(uint256 n) public view returns (uint256, bytes32){ | |
return ((block.number + n), calculate((block.number + n))); | |
} | |
function predict(uint256 blockNumber) public view returns (bytes32){ | |
( , , uint256 invocations, , , ,) = artBlocks.projectTokenInfo(0); | |
return calculate((invocations + 1), blockNumber); | |
} | |
// trait stuff | |
// function calculateTypes(uint256 blockNumber, uint256 invocations) public view returns (string memory){ | |
// return types(calculate(invocations, blockNumber)); | |
// } | |
// function types(bytes32 hash) public pure returns (string memory){ | |
// return string(abi.encodePacked( | |
// isFuzzy(hash) ? "Fuzzy " : string(abi.encodePacked( | |
// isPipe(hash) ? "Pipe " : "", | |
// isBold(hash) ? "Bold " : "" | |
// )), | |
// isSlinky(hash) ? "Slinky " : "", | |
// isReverse(hash) ? "Reverse " : "Forward ", | |
// isSegmented(hash) ? "Segmented " : "", | |
// isSpreadMicro(hash) ? "Spread-Micro " : "" | |
// )); | |
// } | |
// // Trait Checks | |
// function isSlinky(bytes32 hash) public pure returns (bool){ | |
// bytes32 mask = 0x00000000000000000000000000000000000000000000000000000000000000ff; | |
// return uint256(hash & mask) < 35; | |
// } | |
// function isReverse(bytes32 hash) public pure returns (bool){ | |
// bytes32 mask = 0x000000000000000000000000000000000000000000000000000000000000ff00; | |
// bytes32 thrs = 0x0000000000000000000000000000000000000000000000000000000000008000; | |
// return (hash & mask) < thrs; | |
// } | |
// function isSegmented(bytes32 hash) public pure returns (bool){ | |
// bytes32 mask = 0x000000000000000000000000000000000000000000000000ff00000000000000; | |
// bytes32 thrs = 0x0000000000000000000000000000000000000000000000001e00000000000000; | |
// return (hash & mask) < thrs; | |
// } | |
// function isBold(bytes32 hash) public pure returns (bool){ | |
// bytes32 mask = 0x0000000000000000000000000000000000000000000000ff0000000000000000; | |
// bytes32 thrs = 0x00000000000000000000000000000000000000000000000f0000000000000000; | |
// return (hash & mask) < thrs; | |
// } | |
// function isPipe(bytes32 hash) public pure returns (bool){ | |
// bytes32 mask = 0x00000000000000000000000000000000000000000000ff000000000000000000; | |
// bytes32 thrs = 0x0000000000000000000000000000000000000000000020000000000000000000; | |
// return (hash & mask) < thrs; | |
// } | |
// function isSpreadMicro(bytes32 hash) public pure returns (bool){ | |
// bytes32 mask = 0x00000000000000000000000000000000000000000000000000000000ff000000; | |
// bytes32 thrs = 0x0000000000000000000000000000000000000000000000000000000003000000; | |
// return (hash & mask) < thrs; | |
// } | |
// function isFuzzy(bytes32 hash) public pure returns (bool){ | |
// return isPipe(hash) && !isSlinky(hash); | |
// } | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment