Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
NFT
Overview
Max Total Supply
9,999 WAR
Holders
3,800
Market
Volume (24H)
0.0113 ETH
Min Price (24H)
$39.24 @ 0.011300 ETH
Max Price (24H)
$39.24 @ 0.011300 ETH
Other Info
Token Contract
Balance
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
GenesisPFP
Compiler Version
v0.8.18+commit.87f61d96
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.18; // ** ** ** ** **** ** // /** /** /** // /**/ /** // /** /** /** ** ****** ****** ****** ****** // /** /** /****** /** **//// **////**///**/ ///**/ // /** /** /**///** /**//***** /** /** /** /** // /** /** /** /** /** /////**/** /** /** /** // //******* /****** /** ****** //****** /** //** // /////// ///// // ////// ////// // // import {ChainlinkVRFMetadata} from "./abstracts/ChainlinkVRFMetadata.sol"; import {ECDSA} from "openzeppelin/utils/cryptography/ECDSA.sol"; import {EIP712} from "openzeppelin/utils/cryptography/EIP712.sol"; import {ERC721Psi} from "src/ERC721Psi/ERC721Psi.sol"; import {ERC721PsiAddressData} from "src/ERC721Psi/extension/ERC721PsiAddressData.sol"; import {Errors} from "./librairies/Errors.sol"; import {IGenesisPFP} from "./interfaces/IGenesisPFP.sol"; import {GenesisBase} from "./abstracts/GenesisBase.sol"; import {MintData} from "./types/MintData.sol"; import {VRFV2WrapperConsumerBase} from "chainlink/v0.8/vrf/VRFV2WrapperConsumerBase.sol"; import {Strings} from "openzeppelin/utils/Strings.sol"; /** * @title GenesisPFP * * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721) * Non-Fungible Token Standard, implementing ERC721URIStorage (storage based token URI management), Ownable and EIP712 typed signatures * * Token IDs are minted in sequential order (e.g. 1, 2, 3, ...) * starting from 1. */ contract GenesisPFP is GenesisBase, IGenesisPFP, ChainlinkVRFMetadata { using Strings for uint256; // ============================================================= // CONSTANTS // ============================================================= /// @notice Minter role used for AccessControl bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); /// @notice Maximum supply uint256 public constant MAX_SUPPLY = 9999; /** * @notice The typeHash is designed to turn into a compile time constant in Solidity. * @notice see https://eips.ethereum.org/EIPS/eip-712#rationale-for-typehash for more information * @dev keccak256("MintData(address to,uint256 validity_start,uint256 validity_end,uint256 chain_id,uint256 mint_amount,bytes32 user_nonce)"); */ // EIP712 Type Hash bytes32 public constant MINT_DATA_TYPEHASH = keccak256( "MintData(address to,uint256 validity_start,uint256 validity_end,uint256 chain_id,uint256 mint_amount,bytes32 user_nonce)" ); // ============================================================= // CONSTRUCTOR // ============================================================= /** * @dev Initializes the contract * @param _name name of the contract * @param _symbol symbol of the contract * @param _version version of the contract * @param _minter allowed address to mint * @param _minter royalty receiver * @param _link address to fund Chainlink VRF * @param _vrfV2Wrapper address to interact with Chainlink VRF */ constructor( string memory _name, string memory _symbol, string memory _version, address _minter, address _vault, address _link, address _vrfV2Wrapper ) ERC721Psi(_name, _symbol) EIP712(_name, _version) VRFV2WrapperConsumerBase(_link, _vrfV2Wrapper) { _setupRole(DEFAULT_ADMIN_ROLE, msg.sender); grantRole(MINTER_ROLE, _minter); // Set royalties to a default 5% with ERC2981 _setDefaultRoyalty(_vault, 500); } // ============================================================= // EXTERNAL // ============================================================= /** * @inheritdoc IGenesisPFP */ function mintWithSignature(MintData calldata request, bytes memory signature) external override { // Supply is empty uint256 _remainingSupply = remainingSupply(); if (_remainingSupply == 0) revert Errors.MaxSupplyReached(); // Signature validity begins on `MintData.validity_start` if (block.timestamp < request.validity_start) revert Errors.SignatureValidityStart(); // Signature validity ends on `MintData.validity_end` if (block.timestamp > request.validity_end) revert Errors.SignatureValidityEnd(); // No replay attacks if (block.chainid != request.chain_id) revert Errors.WrongChainID(); // Cannot mint zero tokens if (request.mint_amount == 0) revert Errors.InvalidMintAmount(); // Cannot use a user nonce twise if (minted[request.user_nonce]) revert Errors.AlreadyMinted(); // Verify the signer has the role MINTER_ROLE address recovered = verifySignature(request, signature); if (!hasRole(MINTER_ROLE, recovered)) { revert Errors.InvalidSignature(); } // Get user allocation uint256 allocation = request.mint_amount; if (request.mint_amount > _remainingSupply) { allocation = _remainingSupply; } // Make sure a user cannot mint twice with the same account minted[request.user_nonce] = true; _safeMint(request.to, allocation); } // ============================================================= // PUBLIC // ============================================================= /** * @dev hashTypedData V4 computes the hash of the fully encoded EIP-712 message for the domain, which can be used to recover the signer * @param mintData holding the typed struct used by EIP-712 */ function hashTypedDataV4(MintData memory mintData) public view returns (bytes32) { return _hashTypedDataV4(hashStruct(mintData)); } function remainingSupply() public view returns (uint256) { return MAX_SUPPLY - _totalMinted(); } // ============================================================= // INTERNAL // ============================================================= /** * @notice see https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct * @param mintData structure to hash */ function hashStruct(MintData memory mintData) internal pure returns (bytes32) { return keccak256( abi.encode( MINT_DATA_TYPEHASH, mintData.to, mintData.validity_start, mintData.validity_end, mintData.chain_id, mintData.mint_amount, mintData.user_nonce ) ); } /** * @dev Takes a signature and returns the address from * @param mintData MintData object describing the mint request * @param signature EIP712-typed signature */ function verifySignature(MintData calldata mintData, bytes memory signature) internal view returns (address) { bytes32 _hash = _hashTypedDataV4(hashStruct(mintData)); return ECDSA.recover(_hash, signature); } // ============================================================= // ERC721 // ============================================================= /** * @inheritdoc ERC721Psi */ function _startTokenId() internal pure override returns (uint256) { return 1; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { if (!_exists(tokenId)) revert Errors.ERC721UriNonExistent(); // Return empty tokenURI if metadata CID isn't registered if (bytes(_baseURI()).length == 0) { return ""; } // Return a fallback URI if reveal isn't called yet if (chainlinkSeed == 0) { return string(abi.encodePacked(_baseURI(), "default.json")); } uint256 metadataId = ((tokenId + chainlinkSeed) % 9999) + 1; return string(abi.encodePacked(_baseURI(), metadataId.toString(), ".json")); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.18; // ** ** ** ** **** ** // /** /** /** // /**/ /** // /** /** /** ** ****** ****** ****** ****** // /** /** /****** /** **//// **////**///**/ ///**/ // /** /** /**///** /**//***** /** /** /** /** // /** /** /** /** /** /////**/** /** /** /** // //******* /****** /** ****** //****** /** //** // /////// ///// // ////// ////// // // import {Errors} from "src/librairies/Errors.sol"; import {Ownable} from "openzeppelin/access/Ownable.sol"; import {VRFCoordinatorV2Interface} from "chainlink/v0.8/interfaces/VRFCoordinatorV2Interface.sol"; import {VRFV2WrapperConsumerBase} from "chainlink/v0.8/vrf/VRFV2WrapperConsumerBase.sol"; /** * @title ChainlinkVRFMetadata * * @dev Implementation of Chainlink VRFV2WrapperConsumerBase to request random numbers */ abstract contract ChainlinkVRFMetadata is VRFV2WrapperConsumerBase, Ownable { // ============================================================= // VARIABLES // ============================================================= // RequestID from the chainlink VRF V2 randomness request uint256 public chainlinkRequestID; // RandomWorlds fetched from the chainlink VRF V2 randomness request uint256 public chainlinkSeed; // ============================================================= // EXTERNAL // ============================================================= /** * @notice must called by the contract owner, contract must be funded with LINK tokens * @notice can only be called once if `chainlinkRequestID` isn't set * @dev reveal will call `requestRandomness` from VRFV2WrapperConsumerBase with * @dev the following parameters: * @dev _callbackGasLimit is the gas limit that should be used when calling the consumer's * fulfillRandomWords function. * @dev _requestConfirmations is the number of confirmations to wait before fulfilling the * request. A higher number of confirmations increases security by reducing the likelihood * that a chain re-org changes a published randomness outcome. * @dev _numWords is the number of random words to request. */ function requestChainlinkVRF(uint32 _callbackGasLimit, uint16 _requestConfirmations) external onlyOwner { if (chainlinkRequestID != 0) { revert Errors.RequestAlreadyInitialized(); } // 150_000 gas should be more than enough for the callback // 6 block confirmations or more // 1 random number used a a seed for the tokenIDs chainlinkRequestID = requestRandomness(_callbackGasLimit, _requestConfirmations, 1); } /** * @notice withdraw all excess of Link tokens from the contract balance to the specified recipient * @param dest recipient of the Link transfer */ function withdrawRemainingLink(address dest) external onlyOwner { uint256 balance = LINK.balanceOf(address(this)); if (balance == 0) revert Errors.EmptyLinkBalance(); require(LINK.transfer(dest, balance)); } // ============================================================= // INTERNAL // ============================================================= /** * @notice fulfillRandomWords handles the VRF V2 wrapper response. * @notice Consuming contract must implement it. * @dev Instead of reverting, reset chainlinkRequestID if there is an error * @dev caused by Chainlink's oracle so we can trigger a new VRF request * @param _requestId is the VRF V2 request ID. * @param _randomWords is the randomness result. */ function fulfillRandomWords(uint256 _requestId, uint256[] memory _randomWords) internal override { if (_requestId != chainlinkRequestID || _randomWords.length != 1) { chainlinkRequestID = 0; return; } // Assign the retrieved random word from Chainlink VRF V2 // Anyone can re-generate the tokenIds from the seed deterministically chainlinkSeed = _randomWords[0]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV // Deprecated in v4.8 } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/EIP712.sol) pragma solidity ^0.8.0; import "./ECDSA.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible, * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding * they need in their contracts using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * _Available since v3.4._ */ abstract contract EIP712 { /* solhint-disable var-name-mixedcase */ // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. bytes32 private immutable _CACHED_DOMAIN_SEPARATOR; uint256 private immutable _CACHED_CHAIN_ID; address private immutable _CACHED_THIS; bytes32 private immutable _HASHED_NAME; bytes32 private immutable _HASHED_VERSION; bytes32 private immutable _TYPE_HASH; /* solhint-enable var-name-mixedcase */ /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ constructor(string memory name, string memory version) { bytes32 hashedName = keccak256(bytes(name)); bytes32 hashedVersion = keccak256(bytes(version)); bytes32 typeHash = keccak256( "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)" ); _HASHED_NAME = hashedName; _HASHED_VERSION = hashedVersion; _CACHED_CHAIN_ID = block.chainid; _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion); _CACHED_THIS = address(this); _TYPE_HASH = typeHash; } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (address(this) == _CACHED_THIS && block.chainid == _CACHED_CHAIN_ID) { return _CACHED_DOMAIN_SEPARATOR; } else { return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION); } } function _buildDomainSeparator( bytes32 typeHash, bytes32 nameHash, bytes32 versionHash ) private view returns (bytes32) { return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash); } }
// SPDX-License-Identifier: MIT /** ______ _____ _____ ______ ___ __ _ _ _ | ____| __ \ / ____|____ |__ \/_ | || || | | |__ | |__) | | / / ) || | \| |/ | | __| | _ /| | / / / / | |\_ _/ | |____| | \ \| |____ / / / /_ | | | | |______|_| \_\\_____|/_/ |____||_| |_| - github: https://github.com/estarriolvetch/ERC721Psi - npm: https://www.npmjs.com/package/erc721psi */ pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/StorageSlot.sol"; import "solidity-bits/contracts/BitMaps.sol"; contract ERC721Psi is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; using BitMaps for BitMaps.BitMap; BitMaps.BitMap private _batchHead; string private _name; string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) internal _owners; uint256 private _currentIndex; mapping(uint256 => address) private _tokenApprovals; mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; _currentIndex = _startTokenId(); } /** * @dev Returns the starting token ID. * To change the starting token ID, please override this function. */ function _startTokenId() internal pure virtual returns (uint256) { // It will become modifiable in the future versions return 0; } /** * @dev Returns the next token ID to be minted. */ function _nextTokenId() internal view virtual returns (uint256) { return _currentIndex; } /** * @dev Returns the total amount of tokens minted in the contract. */ function _totalMinted() internal view virtual returns (uint256) { return _currentIndex - _startTokenId(); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint) { require(owner != address(0), "ERC721Psi: balance query for the zero address"); uint count; for( uint i = _startTokenId(); i < _nextTokenId(); ++i ){ if(_exists(i)){ if( owner == ownerOf(i)){ ++count; } } } return count; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { (address owner, ) = _ownerAndBatchHeadOf(tokenId); return owner; } function _ownerAndBatchHeadOf(uint256 tokenId) internal view returns (address owner, uint256 tokenIdBatchHead){ require(_exists(tokenId), "ERC721Psi: owner query for nonexistent token"); tokenIdBatchHead = _getBatchHead(tokenId); owner = _owners[tokenIdBatchHead]; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Psi: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ownerOf(tokenId); require(to != owner, "ERC721Psi: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721Psi: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require( _exists(tokenId), "ERC721Psi: approved query for nonexistent token" ); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721Psi: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require( _isApprovedOrOwner(_msgSender(), tokenId), "ERC721Psi: transfer caller is not owner nor approved" ); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require( _isApprovedOrOwner(_msgSender(), tokenId), "ERC721Psi: transfer caller is not owner nor approved" ); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require( _checkOnERC721Received(from, to, tokenId, 1,_data), "ERC721Psi: transfer to non ERC721Receiver implementer" ); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return tokenId < _nextTokenId() && _startTokenId() <= tokenId; } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require( _exists(tokenId), "ERC721Psi: operator query for nonexistent token" ); address owner = ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `quantity` tokens and transfers them to `to`. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer. * - `quantity` must be greater than 0. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 quantity) internal virtual { _safeMint(to, quantity, ""); } function _safeMint( address to, uint256 quantity, bytes memory _data ) internal virtual { uint256 nextTokenId = _nextTokenId(); _mint(to, quantity); require( _checkOnERC721Received(address(0), to, nextTokenId, quantity, _data), "ERC721Psi: transfer to non ERC721Receiver implementer" ); } function _mint( address to, uint256 quantity ) internal virtual { uint256 nextTokenId = _nextTokenId(); require(quantity > 0, "ERC721Psi: quantity must be greater 0"); require(to != address(0), "ERC721Psi: mint to the zero address"); _beforeTokenTransfers(address(0), to, nextTokenId, quantity); _currentIndex += quantity; _owners[nextTokenId] = to; _batchHead.set(nextTokenId); _afterTokenTransfers(address(0), to, nextTokenId, quantity); // Emit events for(uint256 tokenId=nextTokenId; tokenId < nextTokenId + quantity; tokenId++){ emit Transfer(address(0), to, tokenId); } } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { (address owner, uint256 tokenIdBatchHead) = _ownerAndBatchHeadOf(tokenId); require( owner == from, "ERC721Psi: transfer of token that is not own" ); require(to != address(0), "ERC721Psi: transfer to the zero address"); _beforeTokenTransfers(from, to, tokenId, 1); // Clear approvals from the previous owner _approve(address(0), tokenId); uint256 subsequentTokenId = tokenId + 1; if(!_batchHead.get(subsequentTokenId) && subsequentTokenId < _nextTokenId() ) { _owners[subsequentTokenId] = from; _batchHead.set(subsequentTokenId); } _owners[tokenId] = to; if(tokenId != tokenIdBatchHead) { _batchHead.set(tokenId); } emit Transfer(from, to, tokenId); _afterTokenTransfers(from, to, tokenId, 1); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ownerOf(tokenId), to, tokenId); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param startTokenId uint256 the first ID of the tokens to be transferred * @param quantity uint256 amount of the tokens to be transfered. * @param _data bytes optional data to send along with the call * @return r bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 startTokenId, uint256 quantity, bytes memory _data ) private returns (bool r) { if (to.isContract()) { r = true; for(uint256 tokenId = startTokenId; tokenId < startTokenId + quantity; tokenId++){ try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { r = r && retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721Psi: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } return r; } else { return true; } } function _getBatchHead(uint256 tokenId) internal view returns (uint256 tokenIdBatchHead) { tokenIdBatchHead = _batchHead.scanForward(tokenId); } function totalSupply() public virtual view returns (uint256) { return _totalMinted(); } /** * @dev Returns an array of token IDs owned by `owner`. * * This function scans the ownership mapping and is O(`totalSupply`) in complexity. * It is meant to be called off-chain. * * This function is compatiable with ERC721AQueryable. */ function tokensOfOwner(address owner) external view virtual returns (uint256[] memory) { unchecked { uint256 tokenIdsIdx; uint256 tokenIdsLength = balanceOf(owner); uint256[] memory tokenIds = new uint256[](tokenIdsLength); for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) { if (_exists(i)) { if (ownerOf(i) == owner) { tokenIds[tokenIdsIdx++] = i; } } } return tokenIds; } } /** * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. */ function _beforeTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} /** * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes * minting. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal virtual {} }
// SPDX-License-Identifier: MIT /** ______ _____ _____ ______ ___ __ _ _ _ | ____| __ \ / ____|____ |__ \/_ | || || | | |__ | |__) | | / / ) || | \| |/ | | __| | _ /| | / / / / | |\_ _/ | |____| | \ \| |____ / / / /_ | | | | |______|_| \_\\_____|/_/ |____||_| |_| */ pragma solidity ^0.8.0; import "solidity-bits/contracts/BitMaps.sol"; import "../ERC721Psi.sol"; /** @dev This extension follows the AddressData format of ERC721A, so it can be a dropped-in replacement for the contract that requires AddressData */ abstract contract ERC721PsiAddressData is ERC721Psi { // Mapping owner address to address data mapping(address => AddressData) _addressData; // Compiler will pack this into a single 256bit word. struct AddressData { // Realistically, 2**64-1 is more than enough. uint64 balance; // Keeps track of mint count with minimal overhead for tokenomics. uint64 numberMinted; // Keeps track of burn count with minimal overhead for tokenomics. uint64 numberBurned; // For miscellaneous variable(s) pertaining to the address // (e.g. number of whitelist mint slots used). // If there are multiple variables, please pack them into a uint64. uint64 aux; } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint) { require(owner != address(0), "ERC721Psi: balance query for the zero address"); return uint256(_addressData[owner].balance); } /** * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes * minting. * * startTokenId - the first token id to be transferred * quantity - the amount to be transferred * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. */ function _afterTokenTransfers( address from, address to, uint256 startTokenId, uint256 quantity ) internal override virtual { require(quantity < 2 ** 64); uint64 _quantity = uint64(quantity); if(from != address(0)){ _addressData[from].balance -= _quantity; } else { // Mint _addressData[to].numberMinted += _quantity; } if(to != address(0)){ _addressData[to].balance += _quantity; } else { // Burn _addressData[from].numberBurned += _quantity; } super._afterTokenTransfers(from, to, startTokenId, quantity); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.18; // ** ** ** ** **** ** // /** /** /** // /**/ /** // /** /** /** ** ****** ****** ****** ****** // /** /** /****** /** **//// **////**///**/ ///**/ // /** /** /**///** /**//***** /** /** /** /** // /** /** /** /** /** /////**/** /** /** /** // //******* /****** /** ****** //****** /** //** // /////// ///// // ////// ////// // // /** * @title Errors * * @notice Library contains all the custom errors used to revert in Genesis contracts */ library Errors { /** * @notice user has already minted */ error AlreadyMinted(); /** * @notice signature is invalid */ error InvalidSignature(); /** * @notice signature is being used too early */ error SignatureValidityStart(); /** * @notice signature isn't valid anymore */ error SignatureValidityEnd(); /** * @notice signature was created for another chain_id */ error WrongChainID(); /** * @notice baseURI was already set once */ error BaseURIAlreadyInitialized(); /** * @notice token does not exist */ error ERC721UriNonExistent(); /** * @notice MintData.mint_amount cannot be 0 */ error InvalidMintAmount(); /** * @notice the token maximum supply is reached */ error MaxSupplyReached(); /** * Chainlink VRF request was already called */ error RequestAlreadyInitialized(); /** * GenesisPFP contract does not own any Link tokens */ error EmptyLinkBalance(); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.18; // ** ** ** ** **** ** // /** /** /** // /**/ /** // /** /** /** ** ****** ****** ****** ****** // /** /** /****** /** **//// **////**///**/ ///**/ // /** /** /**///** /**//***** /** /** /** /** // /** /** /** /** /** /////**/** /** /** /** // //******* /****** /** ****** //****** /** //** // /////// ///// // ////// ////// // // import {IGenesisBase} from "./IGenesisBase.sol"; import {MintData} from "../types/MintData.sol"; /** * @title IGenesisPFP * * @notice Interface for the GenesisPFP contract, implementing minting and signature verification */ interface IGenesisPFP { /** * @notice allows a user to mint a token with a valid signature * @dev signarture must be signed by the contract owner * @param request MintData object describing the mint request * @param signature EIP712-typed signature */ function mintWithSignature(MintData calldata request, bytes memory signature) external; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.18; // ** ** ** ** **** ** // /** /** /** // /**/ /** // /** /** /** ** ****** ****** ****** ****** // /** /** /****** /** **//// **////**///**/ ///**/ // /** /** /**///** /**//***** /** /** /** /** // /** /** /** /** /** /////**/** /** /** /** // //******* /****** /** ****** //****** /** //** // /////// ///// // ////// ////// // // import {AccessControl} from "openzeppelin/access/AccessControl.sol"; import {EIP712} from "openzeppelin/utils/cryptography/EIP712.sol"; import {ERC721Psi} from "src/ERC721Psi/ERC721Psi.sol"; import {ERC721PsiAddressData} from "src/ERC721Psi/extension/ERC721PsiAddressData.sol"; import {ERC2981} from "openzeppelin/token/common/ERC2981.sol"; import {Errors} from "../librairies/Errors.sol"; import {IAccessControl} from "openzeppelin/access/IAccessControl.sol"; import {IERC721} from "openzeppelin/token/ERC721/IERC721.sol"; import {IERC721Metadata} from "openzeppelin/token/ERC721/extensions/IERC721Metadata.sol"; import {IGenesisBase} from "../interfaces/IGenesisBase.sol"; import {MintData} from "../types/MintData.sol"; import {Ownable} from "openzeppelin/access/Ownable.sol"; /** * @title GenesisBase * * @dev GenesisBase implements ERC721 and should be used as a base * for GenesisPFP and the other upcoming Genesis contracts */ abstract contract GenesisBase is IGenesisBase, ERC721PsiAddressData, ERC2981, EIP712, Ownable, AccessControl { // ============================================================= // VARIABLES // ============================================================= /// @notice baseURI for computing tokenURI string public baseURI; // ============================================================= // MAPPINGS // ============================================================= /// @notice Mapping for an address to a bool /// @notice Tracks if a user minted its tokens mapping(bytes32 => bool) public minted; // ============================================================= // EXTERNAL // ============================================================= /** * @inheritdoc IGenesisBase */ function setBaseURI(string calldata _uri) external override onlyOwner { if (bytes(baseURI).length > 0) { revert Errors.BaseURIAlreadyInitialized(); } baseURI = _uri; } /** * @inheritdoc IGenesisBase */ function updateDefaultRoyalty(address receiver, uint96 feeNumerator) external onlyOwner { _setDefaultRoyalty(receiver, feeNumerator); } // ============================================================= // PUBLIC // ============================================================= /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Psi, ERC2981, AccessControl) returns (bool) { return super.supportsInterface(interfaceId); } // ============================================================= // INTERNAL // ============================================================= /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view override returns (string memory) { return baseURI; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.18; // ** ** ** ** **** ** // /** /** /** // /**/ /** // /** /** /** ** ****** ****** ****** ****** // /** /** /****** /** **//// **////**///**/ ///**/ // /** /** /**///** /**//***** /** /** /** /** // /** /** /** /** /** /////**/** /** /** /** // //******* /****** /** ****** //****** /** //** // /////// ///// // ////// ////// // // /** * @notice MintData holds the data required to a minting request * @param to address of the user receiving the token(s) * @param validity_start timestamp for signature's start of validity * @param validity_end timestamp for signature's end of validity * @param chain_id for replay attack protection * @param mint_amount total number of tokens to mint if available * @param user_nonce generated by Genesis' backend */ struct MintData { address to; uint256 validity_start; uint256 validity_end; uint256 chain_id; uint256 mint_amount; bytes32 user_nonce; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../interfaces/LinkTokenInterface.sol"; import "../interfaces/VRFV2WrapperInterface.sol"; /** ******************************************************************************* * @notice Interface for contracts using VRF randomness through the VRF V2 wrapper * ******************************************************************************** * @dev PURPOSE * * @dev Create VRF V2 requests without the need for subscription management. Rather than creating * @dev and funding a VRF V2 subscription, a user can use this wrapper to create one off requests, * @dev paying up front rather than at fulfillment. * * @dev Since the price is determined using the gas price of the request transaction rather than * @dev the fulfillment transaction, the wrapper charges an additional premium on callback gas * @dev usage, in addition to some extra overhead costs associated with the VRFV2Wrapper contract. * ***************************************************************************** * @dev USAGE * * @dev Calling contracts must inherit from VRFV2WrapperConsumerBase. The consumer must be funded * @dev with enough LINK to make the request, otherwise requests will revert. To request randomness, * @dev call the 'requestRandomness' function with the desired VRF parameters. This function handles * @dev paying for the request based on the current pricing. * * @dev Consumers must implement the fullfillRandomWords function, which will be called during * @dev fulfillment with the randomness result. */ abstract contract VRFV2WrapperConsumerBase { LinkTokenInterface internal immutable LINK; VRFV2WrapperInterface internal immutable VRF_V2_WRAPPER; /** * @param _link is the address of LinkToken * @param _vrfV2Wrapper is the address of the VRFV2Wrapper contract */ constructor(address _link, address _vrfV2Wrapper) { LINK = LinkTokenInterface(_link); VRF_V2_WRAPPER = VRFV2WrapperInterface(_vrfV2Wrapper); } /** * @dev Requests randomness from the VRF V2 wrapper. * * @param _callbackGasLimit is the gas limit that should be used when calling the consumer's * fulfillRandomWords function. * @param _requestConfirmations is the number of confirmations to wait before fulfilling the * request. A higher number of confirmations increases security by reducing the likelihood * that a chain re-org changes a published randomness outcome. * @param _numWords is the number of random words to request. * * @return requestId is the VRF V2 request ID of the newly created randomness request. */ function requestRandomness( uint32 _callbackGasLimit, uint16 _requestConfirmations, uint32 _numWords ) internal returns (uint256 requestId) { LINK.transferAndCall( address(VRF_V2_WRAPPER), VRF_V2_WRAPPER.calculateRequestPrice(_callbackGasLimit), abi.encode(_callbackGasLimit, _requestConfirmations, _numWords) ); return VRF_V2_WRAPPER.lastRequestId(); } /** * @notice fulfillRandomWords handles the VRF V2 wrapper response. The consuming contract must * @notice implement it. * * @param _requestId is the VRF V2 request ID. * @param _randomWords is the randomness result. */ function fulfillRandomWords(uint256 _requestId, uint256[] memory _randomWords) internal virtual; function rawFulfillRandomWords(uint256 _requestId, uint256[] memory _randomWords) external { require(msg.sender == address(VRF_V2_WRAPPER), "only VRF V2 wrapper can fulfill"); fulfillRandomWords(_requestId, _randomWords); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface VRFCoordinatorV2Interface { /** * @notice Get configuration relevant for making requests * @return minimumRequestConfirmations global min for request confirmations * @return maxGasLimit global max for request gas limit * @return s_provingKeyHashes list of registered key hashes */ function getRequestConfig() external view returns (uint16, uint32, bytes32[] memory); /** * @notice Request a set of random words. * @param keyHash - Corresponds to a particular oracle job which uses * that key for generating the VRF proof. Different keyHash's have different gas price * ceilings, so you can select a specific one to bound your maximum per request cost. * @param subId - The ID of the VRF subscription. Must be funded * with the minimum subscription balance required for the selected keyHash. * @param minimumRequestConfirmations - How many blocks you'd like the * oracle to wait before responding to the request. See SECURITY CONSIDERATIONS * for why you may want to request more. The acceptable range is * [minimumRequestBlockConfirmations, 200]. * @param callbackGasLimit - How much gas you'd like to receive in your * fulfillRandomWords callback. Note that gasleft() inside fulfillRandomWords * may be slightly less than this amount because of gas used calling the function * (argument decoding etc.), so you may need to request slightly more than you expect * to have inside fulfillRandomWords. The acceptable range is * [0, maxGasLimit] * @param numWords - The number of uint256 random values you'd like to receive * in your fulfillRandomWords callback. Note these numbers are expanded in a * secure way by the VRFCoordinator from a single random value supplied by the oracle. * @return requestId - A unique identifier of the request. Can be used to match * a request to a response in fulfillRandomWords. */ function requestRandomWords( bytes32 keyHash, uint64 subId, uint16 minimumRequestConfirmations, uint32 callbackGasLimit, uint32 numWords ) external returns (uint256 requestId); /** * @notice Create a VRF subscription. * @return subId - A unique subscription id. * @dev You can manage the consumer set dynamically with addConsumer/removeConsumer. * @dev Note to fund the subscription, use transferAndCall. For example * @dev LINKTOKEN.transferAndCall( * @dev address(COORDINATOR), * @dev amount, * @dev abi.encode(subId)); */ function createSubscription() external returns (uint64 subId); /** * @notice Get a VRF subscription. * @param subId - ID of the subscription * @return balance - LINK balance of the subscription in juels. * @return reqCount - number of requests for this subscription, determines fee tier. * @return owner - owner of the subscription. * @return consumers - list of consumer address which are able to use this subscription. */ function getSubscription( uint64 subId ) external view returns (uint96 balance, uint64 reqCount, address owner, address[] memory consumers); /** * @notice Request subscription owner transfer. * @param subId - ID of the subscription * @param newOwner - proposed new owner of the subscription */ function requestSubscriptionOwnerTransfer(uint64 subId, address newOwner) external; /** * @notice Request subscription owner transfer. * @param subId - ID of the subscription * @dev will revert if original owner of subId has * not requested that msg.sender become the new owner. */ function acceptSubscriptionOwnerTransfer(uint64 subId) external; /** * @notice Add a consumer to a VRF subscription. * @param subId - ID of the subscription * @param consumer - New consumer which can use the subscription */ function addConsumer(uint64 subId, address consumer) external; /** * @notice Remove a consumer from a VRF subscription. * @param subId - ID of the subscription * @param consumer - Consumer to remove from the subscription */ function removeConsumer(uint64 subId, address consumer) external; /** * @notice Cancel a subscription * @param subId - ID of the subscription * @param to - Where to send the remaining LINK to */ function cancelSubscription(uint64 subId, address to) external; /* * @notice Check to see if there exists a request commitment consumers * for all consumers and keyhashes for a given sub. * @param subId - ID of the subscription * @return true if there exists at least one unfulfilled request for the subscription, false * otherwise. */ function pendingRequestExists(uint64 subId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol) pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ``` * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } }
// SPDX-License-Identifier: MIT /** _____ ___ ___ __ ____ _ __ / ___/____ / (_)___/ (_) /___ __ / __ )(_) /______ \__ \/ __ \/ / / __ / / __/ / / / / __ / / __/ ___/ ___/ / /_/ / / / /_/ / / /_/ /_/ / / /_/ / / /_(__ ) /____/\____/_/_/\__,_/_/\__/\__, / /_____/_/\__/____/ /____/ - npm: https://www.npmjs.com/package/solidity-bits - github: https://github.com/estarriolvetch/solidity-bits */ pragma solidity ^0.8.0; import "./BitScan.sol"; import "./Popcount.sol"; /** * @dev This Library is a modified version of Openzeppelin's BitMaps library with extra features. * * 1. Functions of finding the index of the closest set bit from a given index are added. * The indexing of each bucket is modifed to count from the MSB to the LSB instead of from the LSB to the MSB. * The modification of indexing makes finding the closest previous set bit more efficient in gas usage. * 2. Setting and unsetting the bitmap consecutively. * 3. Accounting number of set bits within a given range. * */ /** * @dev Library for managing uint256 to bool mapping in a compact and efficient way, providing the keys are sequential. * Largelly inspired by Uniswap's https://github.com/Uniswap/merkle-distributor/blob/master/contracts/MerkleDistributor.sol[merkle-distributor]. */ library BitMaps { using BitScan for uint256; uint256 private constant MASK_INDEX_ZERO = (1 << 255); uint256 private constant MASK_FULL = type(uint256).max; struct BitMap { mapping(uint256 => uint256) _data; } /** * @dev Returns whether the bit at `index` is set. */ function get(BitMap storage bitmap, uint256 index) internal view returns (bool) { uint256 bucket = index >> 8; uint256 mask = MASK_INDEX_ZERO >> (index & 0xff); return bitmap._data[bucket] & mask != 0; } /** * @dev Sets the bit at `index` to the boolean `value`. */ function setTo( BitMap storage bitmap, uint256 index, bool value ) internal { if (value) { set(bitmap, index); } else { unset(bitmap, index); } } /** * @dev Sets the bit at `index`. */ function set(BitMap storage bitmap, uint256 index) internal { uint256 bucket = index >> 8; uint256 mask = MASK_INDEX_ZERO >> (index & 0xff); bitmap._data[bucket] |= mask; } /** * @dev Unsets the bit at `index`. */ function unset(BitMap storage bitmap, uint256 index) internal { uint256 bucket = index >> 8; uint256 mask = MASK_INDEX_ZERO >> (index & 0xff); bitmap._data[bucket] &= ~mask; } /** * @dev Consecutively sets `amount` of bits starting from the bit at `startIndex`. */ function setBatch(BitMap storage bitmap, uint256 startIndex, uint256 amount) internal { uint256 bucket = startIndex >> 8; uint256 bucketStartIndex = (startIndex & 0xff); unchecked { if(bucketStartIndex + amount < 256) { bitmap._data[bucket] |= MASK_FULL << (256 - amount) >> bucketStartIndex; } else { bitmap._data[bucket] |= MASK_FULL >> bucketStartIndex; amount -= (256 - bucketStartIndex); bucket++; while(amount > 256) { bitmap._data[bucket] = MASK_FULL; amount -= 256; bucket++; } bitmap._data[bucket] |= MASK_FULL << (256 - amount); } } } /** * @dev Consecutively unsets `amount` of bits starting from the bit at `startIndex`. */ function unsetBatch(BitMap storage bitmap, uint256 startIndex, uint256 amount) internal { uint256 bucket = startIndex >> 8; uint256 bucketStartIndex = (startIndex & 0xff); unchecked { if(bucketStartIndex + amount < 256) { bitmap._data[bucket] &= ~(MASK_FULL << (256 - amount) >> bucketStartIndex); } else { bitmap._data[bucket] &= ~(MASK_FULL >> bucketStartIndex); amount -= (256 - bucketStartIndex); bucket++; while(amount > 256) { bitmap._data[bucket] = 0; amount -= 256; bucket++; } bitmap._data[bucket] &= ~(MASK_FULL << (256 - amount)); } } } /** * @dev Returns number of set bits within a range. */ function popcountA(BitMap storage bitmap, uint256 startIndex, uint256 amount) internal view returns(uint256 count) { uint256 bucket = startIndex >> 8; uint256 bucketStartIndex = (startIndex & 0xff); unchecked { if(bucketStartIndex + amount < 256) { count += Popcount.popcount256A( bitmap._data[bucket] & (MASK_FULL << (256 - amount) >> bucketStartIndex) ); } else { count += Popcount.popcount256A( bitmap._data[bucket] & (MASK_FULL >> bucketStartIndex) ); amount -= (256 - bucketStartIndex); bucket++; while(amount > 256) { count += Popcount.popcount256A(bitmap._data[bucket]); amount -= 256; bucket++; } count += Popcount.popcount256A( bitmap._data[bucket] & (MASK_FULL << (256 - amount)) ); } } } /** * @dev Returns number of set bits within a range. */ function popcountB(BitMap storage bitmap, uint256 startIndex, uint256 amount) internal view returns(uint256 count) { uint256 bucket = startIndex >> 8; uint256 bucketStartIndex = (startIndex & 0xff); unchecked { if(bucketStartIndex + amount < 256) { count += Popcount.popcount256B( bitmap._data[bucket] & (MASK_FULL << (256 - amount) >> bucketStartIndex) ); } else { count += Popcount.popcount256B( bitmap._data[bucket] & (MASK_FULL >> bucketStartIndex) ); amount -= (256 - bucketStartIndex); bucket++; while(amount > 256) { count += Popcount.popcount256B(bitmap._data[bucket]); amount -= 256; bucket++; } count += Popcount.popcount256B( bitmap._data[bucket] & (MASK_FULL << (256 - amount)) ); } } } /** * @dev Find the closest index of the set bit before `index`. */ function scanForward(BitMap storage bitmap, uint256 index) internal view returns (uint256 setBitIndex) { uint256 bucket = index >> 8; // index within the bucket uint256 bucketIndex = (index & 0xff); // load a bitboard from the bitmap. uint256 bb = bitmap._data[bucket]; // offset the bitboard to scan from `bucketIndex`. bb = bb >> (0xff ^ bucketIndex); // bb >> (255 - bucketIndex) if(bb > 0) { unchecked { setBitIndex = (bucket << 8) | (bucketIndex - bb.bitScanForward256()); } } else { while(true) { require(bucket > 0, "BitMaps: The set bit before the index doesn't exist."); unchecked { bucket--; } // No offset. Always scan from the least significiant bit now. bb = bitmap._data[bucket]; if(bb > 0) { unchecked { setBitIndex = (bucket << 8) | (255 - bb.bitScanForward256()); break; } } } } } function getBucket(BitMap storage bitmap, uint256 bucket) internal view returns (uint256) { return bitmap._data[bucket]; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.18; // ** ** ** ** **** ** // /** /** /** // /**/ /** // /** /** /** ** ****** ****** ****** ****** // /** /** /****** /** **//// **////**///**/ ///**/ // /** /** /**///** /**//***** /** /** /** /** // /** /** /** /** /** /////**/** /** /** /** // //******* /****** /** ****** //****** /** //** // /////// ///// // ////// ////// // // import {MintData} from "../types/MintData.sol"; /** * @title IGenesisBase * * @notice Interface for the GenesisBase contract used for minting and * setting a metadata CID on top of ERC721Psi, EIP712, Ownable, AccessControl */ interface IGenesisBase { /** * @notice can only be called once if baseURI isn't set * @notice can only be called by the contract owner * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. * @param _uri Content Identifier of the IPFS folder containing metadata files */ function setBaseURI(string calldata _uri) external; /** * @notice update the default royalty informations as per ERC2981 * @notice can only be called by the contract owner * @param receiver address of the new vault receiving royalty fees * @param feeNumerator percentage of royalties to apply */ function updateDefaultRoyalty(address receiver, uint96 feeNumerator) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol) pragma solidity ^0.8.0; import "./IAccessControl.sol"; import "../utils/Context.sol"; import "../utils/Strings.sol"; import "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(account), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address account) public virtual override { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * May emit a {RoleGranted} event. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== * * NOTE: This function is deprecated in favor of {_grantRole}. */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Grants `role` to `account`. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual { if (!hasRole(role, account)) { _roles[role].members[account] = true; emit RoleGranted(role, account, _msgSender()); } } /** * @dev Revokes `role` from `account`. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol) pragma solidity ^0.8.0; import "../../interfaces/IERC2981.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information. * * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first. * * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the * fee is specified in basis points by default. * * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported. * * _Available since v4.5._ */ abstract contract ERC2981 is IERC2981, ERC165 { struct RoyaltyInfo { address receiver; uint96 royaltyFraction; } RoyaltyInfo private _defaultRoyaltyInfo; mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) { return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId); } /** * @inheritdoc IERC2981 */ function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) { RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId]; if (royalty.receiver == address(0)) { royalty = _defaultRoyaltyInfo; } uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator(); return (royalty.receiver, royaltyAmount); } /** * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an * override. */ function _feeDenominator() internal pure virtual returns (uint96) { return 10000; } /** * @dev Sets the royalty information that all ids in this contract will default to. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: invalid receiver"); _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Removes default royalty information. */ function _deleteDefaultRoyalty() internal virtual { delete _defaultRoyaltyInfo; } /** * @dev Sets the royalty information for a specific token id, overriding the global default. * * Requirements: * * - `receiver` cannot be the zero address. * - `feeNumerator` cannot be greater than the fee denominator. */ function _setTokenRoyalty( uint256 tokenId, address receiver, uint96 feeNumerator ) internal virtual { require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice"); require(receiver != address(0), "ERC2981: Invalid parameters"); _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator); } /** * @dev Resets royalty information for the token id back to the global default. */ function _resetTokenRoyalty(uint256 tokenId) internal virtual { delete _tokenRoyaltyInfo[tokenId]; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface LinkTokenInterface { function allowance(address owner, address spender) external view returns (uint256 remaining); function approve(address spender, uint256 value) external returns (bool success); function balanceOf(address owner) external view returns (uint256 balance); function decimals() external view returns (uint8 decimalPlaces); function decreaseApproval(address spender, uint256 addedValue) external returns (bool success); function increaseApproval(address spender, uint256 subtractedValue) external; function name() external view returns (string memory tokenName); function symbol() external view returns (string memory tokenSymbol); function totalSupply() external view returns (uint256 totalTokensIssued); function transfer(address to, uint256 value) external returns (bool success); function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool success); function transferFrom(address from, address to, uint256 value) external returns (bool success); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface VRFV2WrapperInterface { /** * @return the request ID of the most recent VRF V2 request made by this wrapper. This should only * be relied option within the same transaction that the request was made. */ function lastRequestId() external view returns (uint256); /** * @notice Calculates the price of a VRF request with the given callbackGasLimit at the current * @notice block. * * @dev This function relies on the transaction gas price which is not automatically set during * @dev simulation. To estimate the price at a specific gas price, use the estimatePrice function. * * @param _callbackGasLimit is the gas limit used to estimate the price. */ function calculateRequestPrice(uint32 _callbackGasLimit) external view returns (uint256); /** * @notice Estimates the price of a VRF request with a specific gas limit and gas price. * * @dev This is a convenience function that can be called in simulation to better understand * @dev pricing. * * @param _callbackGasLimit is the gas limit used to estimate the price. * @param _requestGasPriceWei is the gas price in wei used for the estimation. */ function estimateRequestPrice(uint32 _callbackGasLimit, uint256 _requestGasPriceWei) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv( uint256 x, uint256 y, uint256 denominator ) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv( uint256 x, uint256 y, uint256 denominator, Rounding rounding ) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10**64) { value /= 10**64; result += 64; } if (value >= 10**32) { value /= 10**32; result += 32; } if (value >= 10**16) { value /= 10**16; result += 16; } if (value >= 10**8) { value /= 10**8; result += 8; } if (value >= 10**4) { value /= 10**4; result += 4; } if (value >= 10**2) { value /= 10**2; result += 2; } if (value >= 10**1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * 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 * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * 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); }
// SPDX-License-Identifier: MIT /** _____ ___ ___ __ ____ _ __ / ___/____ / (_)___/ (_) /___ __ / __ )(_) /______ \__ \/ __ \/ / / __ / / __/ / / / / __ / / __/ ___/ ___/ / /_/ / / / /_/ / / /_/ /_/ / / /_/ / / /_(__ ) /____/\____/_/_/\__,_/_/\__/\__, / /_____/_/\__/____/ /____/ - npm: https://www.npmjs.com/package/solidity-bits - github: https://github.com/estarriolvetch/solidity-bits */ pragma solidity ^0.8.0; library BitScan { uint256 constant private DEBRUIJN_256 = 0x818283848586878898a8b8c8d8e8f929395969799a9b9d9e9faaeb6bedeeff; bytes constant private LOOKUP_TABLE_256 = hex"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"; /** @dev Isolate the least significant set bit. */ function isolateLS1B256(uint256 bb) pure internal returns (uint256) { require(bb > 0); unchecked { return bb & (0 - bb); } } /** @dev Isolate the most significant set bit. */ function isolateMS1B256(uint256 bb) pure internal returns (uint256) { require(bb > 0); unchecked { bb |= bb >> 128; bb |= bb >> 64; bb |= bb >> 32; bb |= bb >> 16; bb |= bb >> 8; bb |= bb >> 4; bb |= bb >> 2; bb |= bb >> 1; return (bb >> 1) + 1; } } /** @dev Find the index of the lest significant set bit. (trailing zero count) */ function bitScanForward256(uint256 bb) pure internal returns (uint8) { unchecked { return uint8(LOOKUP_TABLE_256[(isolateLS1B256(bb) * DEBRUIJN_256) >> 248]); } } /** @dev Find the index of the most significant set bit. */ function bitScanReverse256(uint256 bb) pure internal returns (uint8) { unchecked { return 255 - uint8(LOOKUP_TABLE_256[((isolateMS1B256(bb) * DEBRUIJN_256) >> 248)]); } } function log2(uint256 bb) pure internal returns (uint8) { unchecked { return uint8(LOOKUP_TABLE_256[(isolateMS1B256(bb) * DEBRUIJN_256) >> 248]); } } }
// SPDX-License-Identifier: MIT /** _____ ___ ___ __ ____ _ __ / ___/____ / (_)___/ (_) /___ __ / __ )(_) /______ \__ \/ __ \/ / / __ / / __/ / / / / __ / / __/ ___/ ___/ / /_/ / / / /_/ / / /_/ /_/ / / /_/ / / /_(__ ) /____/\____/_/_/\__,_/_/\__/\__, / /_____/_/\__/____/ /____/ - npm: https://www.npmjs.com/package/solidity-bits - github: https://github.com/estarriolvetch/solidity-bits */ pragma solidity ^0.8.0; library Popcount { uint256 private constant m1 = 0x5555555555555555555555555555555555555555555555555555555555555555; uint256 private constant m2 = 0x3333333333333333333333333333333333333333333333333333333333333333; uint256 private constant m4 = 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f; uint256 private constant h01 = 0x0101010101010101010101010101010101010101010101010101010101010101; function popcount256A(uint256 x) internal pure returns (uint256 count) { unchecked{ for (count=0; x!=0; count++) x &= x - 1; } } function popcount256B(uint256 x) internal pure returns (uint256) { if (x == type(uint256).max) { return 256; } unchecked { x -= (x >> 1) & m1; //put count of each 2 bits into those 2 bits x = (x & m2) + ((x >> 2) & m2); //put count of each 4 bits into those 4 bits x = (x + (x >> 4)) & m4; //put count of each 8 bits into those 8 bits x = (x * h01) >> 248; //returns left 8 bits of x + (x<<8) + (x<<16) + (x<<24) + ... } return x; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
{ "remappings": [ "ds-test/=lib/forge-std/lib/ds-test/src/", "forge-std/=lib/forge-std/src/", "ERC721Psi/=lib/ERC721Psi/contracts/", "solidity-bits/=lib/solidity-bits/", "@openzeppelin/=lib/openzeppelin-contracts/", "chainlink/=lib/chainlink/contracts/src/", "erc4626-tests/=lib/chainlink/contracts/foundry-lib/openzeppelin-contracts/lib/erc4626-tests/", "openzeppelin/=lib/openzeppelin-contracts/contracts/", "openzeppelin-contracts/=lib/openzeppelin-contracts/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": true, "libraries": {} }
Contract Security Audit
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"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"validity_start","type":"uint256"},{"internalType":"uint256","name":"validity_end","type":"uint256"},{"internalType":"uint256","name":"chain_id","type":"uint256"},{"internalType":"uint256","name":"mint_amount","type":"uint256"},{"internalType":"bytes32","name":"user_nonce","type":"bytes32"}],"internalType":"struct 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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _name (string): The Warlords of Champions Tactics
Arg [1] : _symbol (string): WAR
Arg [2] : _version (string): 1
Arg [3] : _minter (address): 0xfF530Fdc6775F732322279E580d41cb96C569447
Arg [4] : _vault (address): 0xBd5328f498F29B57616C9233d6Da2494B9D4F4FA
Arg [5] : _link (address): 0x514910771AF9Ca656af840dff83E8264EcF986CA
Arg [6] : _vrfV2Wrapper (address): 0x5A861794B927983406fCE1D062e00b9368d97Df6
-----Encoded View---------------
14 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [3] : 000000000000000000000000ff530fdc6775f732322279e580d41cb96c569447
Arg [4] : 000000000000000000000000bd5328f498f29b57616c9233d6da2494b9d4f4fa
Arg [5] : 000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca
Arg [6] : 0000000000000000000000005a861794b927983406fce1d062e00b9368d97df6
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000021
Arg [8] : 546865205761726c6f726473206f66204368616d70696f6e7320546163746963
Arg [9] : 7300000000000000000000000000000000000000000000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [11] : 5741520000000000000000000000000000000000000000000000000000000000
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [13] : 3100000000000000000000000000000000000000000000000000000000000000
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