17.99
($-0.75%)
| 1 Gwei
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; /// @author thirdweb // $$\ $$\ $$\ $$\ $$\ // $$ | $$ | \__| $$ | $$ | // $$$$$$\ $$$$$$$\ $$\ $$$$$$\ $$$$$$$ |$$\ $$\ $$\ $$$$$$\ $$$$$$$\ // \_$$ _| $$ __$$\ $$ |$$ __$$\ $$ __$$ |$$ | $$ | $$ |$$ __$$\ $$ __$$\ // $$ | $$ | $$ |$$ |$$ | \__|$$ / $$ |$$ | $$ | $$ |$$$$$$$$ |$$ | $$ | // $$ |$$\ $$ | $$ |$$ |$$ | $$ | $$ |$$ | $$ | $$ |$$ ____|$$ | $$ | // \$$$$ |$$ | $$ |$$ |$$ | \$$$$$$$ |\$$$$$\$$$$ |\$$$$$$$\ $$$$$$$ | // \____/ \__| \__|\__|\__| \_______| \_____\____/ \_______|\_______/ //Interface import { ITokenERC20 } from "../interface/token/ITokenERC20.sol"; import "../../infra/interface/IThirdwebContract.sol"; import "../../extension/interface/IPlatformFee.sol"; import "../../extension/interface/IPrimarySale.sol"; // Token import "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20BurnableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC20VotesUpgradeable.sol"; // Security import "@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol"; // Signature utils import "@openzeppelin/contracts-upgradeable/utils/cryptography/ECDSAUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol"; // Meta transactions import "../../external-deps/openzeppelin/metatx/ERC2771ContextUpgradeable.sol"; // Utils import "../../extension/Multicall.sol"; import "../../lib/CurrencyTransferLib.sol"; import "../../lib/FeeType.sol"; contract TokenERC20 is Initializable, IThirdwebContract, IPrimarySale, IPlatformFee, ReentrancyGuardUpgradeable, ERC2771ContextUpgradeable, Multicall, ERC20BurnableUpgradeable, ERC20VotesUpgradeable, ITokenERC20, AccessControlEnumerableUpgradeable { using ECDSAUpgradeable for bytes32; bytes32 private constant MODULE_TYPE = bytes32("TokenERC20"); uint256 private constant VERSION = 1; bytes32 private constant TYPEHASH = keccak256( "MintRequest(address to,address primarySaleRecipient,uint256 quantity,uint256 price,address currency,uint128 validityStartTimestamp,uint128 validityEndTimestamp,bytes32 uid)" ); bytes32 internal constant MINTER_ROLE = keccak256("MINTER_ROLE"); bytes32 internal constant TRANSFER_ROLE = keccak256("TRANSFER_ROLE"); /// @dev Returns the URI for the storefront-level metadata of the contract. string public contractURI; /// @dev Max bps in the thirdweb system uint128 internal constant MAX_BPS = 10_000; /// @dev The % of primary sales collected by the contract as fees. uint128 private platformFeeBps; /// @dev The adress that receives all primary sales value. address internal platformFeeRecipient; /// @dev The adress that receives all primary sales value. address public primarySaleRecipient; /// @dev Mapping from mint request UID => whether the mint request is processed. mapping(bytes32 => bool) private minted; constructor() initializer {} /// @dev Initializes the contract, like a constructor. function initialize( address _defaultAdmin, string memory _name, string memory _symbol, string memory _contractURI, address[] memory _trustedForwarders, address _primarySaleRecipient, address _platformFeeRecipient, uint256 _platformFeeBps ) external initializer { __ReentrancyGuard_init(); __ERC2771Context_init_unchained(_trustedForwarders); __ERC20Permit_init(_name); __ERC20_init_unchained(_name, _symbol); contractURI = _contractURI; primarySaleRecipient = _primarySaleRecipient; platformFeeRecipient = _platformFeeRecipient; require(_platformFeeBps <= MAX_BPS, "exceeds MAX_BPS"); platformFeeBps = uint128(_platformFeeBps); _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin); _setupRole(TRANSFER_ROLE, _defaultAdmin); _setupRole(MINTER_ROLE, _defaultAdmin); _setupRole(TRANSFER_ROLE, address(0)); } /// @dev Returns the module type of the contract. function contractType() external pure virtual returns (bytes32) { return MODULE_TYPE; } /// @dev Returns the version of the contract. function contractVersion() external pure virtual returns (uint8) { return uint8(VERSION); } function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual override(ERC20Upgradeable, ERC20VotesUpgradeable) { super._afterTokenTransfer(from, to, amount); } /// @dev Runs on every transfer. function _beforeTokenTransfer(address from, address to, uint256 amount) internal override { super._beforeTokenTransfer(from, to, amount); if (!hasRole(TRANSFER_ROLE, address(0)) && from != address(0) && to != address(0)) { require(hasRole(TRANSFER_ROLE, from) || hasRole(TRANSFER_ROLE, to), "transfers restricted."); } } function _mint(address account, uint256 amount) internal virtual override(ERC20Upgradeable, ERC20VotesUpgradeable) { super._mint(account, amount); } function _burn(address account, uint256 amount) internal virtual override(ERC20Upgradeable, ERC20VotesUpgradeable) { super._burn(account, amount); } /** * @dev Creates `amount` new tokens for `to`. * * See {ERC20-_mint}. * * Requirements: * * - the caller must have the `MINTER_ROLE`. */ function mintTo(address to, uint256 amount) public virtual { require(hasRole(MINTER_ROLE, _msgSender()), "not minter."); _mintTo(to, amount); } /// @dev Verifies that a mint request is signed by an account holding MINTER_ROLE (at the time of the function call). function verify(MintRequest calldata _req, bytes calldata _signature) public view returns (bool, address) { address signer = recoverAddress(_req, _signature); return (!minted[_req.uid] && hasRole(MINTER_ROLE, signer), signer); } /// @dev Mints tokens according to the provided mint request. function mintWithSignature(MintRequest calldata _req, bytes calldata _signature) external payable nonReentrant { address signer = verifyRequest(_req, _signature); address receiver = _req.to; collectPrice(_req); _mintTo(receiver, _req.quantity); emit TokensMintedWithSignature(signer, receiver, _req); } /// @dev Lets a module admin set the default recipient of all primary sales. function setPrimarySaleRecipient(address _saleRecipient) external onlyRole(DEFAULT_ADMIN_ROLE) { primarySaleRecipient = _saleRecipient; emit PrimarySaleRecipientUpdated(_saleRecipient); } /// @dev Lets a module admin update the fees on primary sales. function setPlatformFeeInfo( address _platformFeeRecipient, uint256 _platformFeeBps ) external onlyRole(DEFAULT_ADMIN_ROLE) { require(_platformFeeBps <= MAX_BPS, "exceeds MAX_BPS"); platformFeeBps = uint64(_platformFeeBps); platformFeeRecipient = _platformFeeRecipient; emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps); } /// @dev Returns the platform fee bps and recipient. function getPlatformFeeInfo() external view returns (address, uint16) { return (platformFeeRecipient, uint16(platformFeeBps)); } /// @dev Collects and distributes the primary sale value of tokens being claimed. function collectPrice(MintRequest calldata _req) internal { if (_req.price == 0) { require(msg.value == 0, "!Value"); return; } uint256 platformFees = (_req.price * platformFeeBps) / MAX_BPS; if (_req.currency == CurrencyTransferLib.NATIVE_TOKEN) { require(msg.value == _req.price, "must send total price."); } else { require(msg.value == 0, "msg value not zero"); } address saleRecipient = _req.primarySaleRecipient == address(0) ? primarySaleRecipient : _req.primarySaleRecipient; CurrencyTransferLib.transferCurrency(_req.currency, _msgSender(), platformFeeRecipient, platformFees); CurrencyTransferLib.transferCurrency(_req.currency, _msgSender(), saleRecipient, _req.price - platformFees); } /// @dev Mints `amount` of tokens to `to` function _mintTo(address _to, uint256 _amount) internal { _mint(_to, _amount); emit TokensMinted(_to, _amount); } /// @dev Verifies that a mint request is valid. function verifyRequest(MintRequest calldata _req, bytes calldata _signature) internal returns (address) { (bool success, address signer) = verify(_req, _signature); require(success, "invalid signature"); require( _req.validityStartTimestamp <= block.timestamp && _req.validityEndTimestamp >= block.timestamp, "request expired" ); require(_req.to != address(0), "recipient undefined"); require(_req.quantity > 0, "zero quantity"); minted[_req.uid] = true; return signer; } /// @dev Returns the address of the signer of the mint request. function recoverAddress(MintRequest calldata _req, bytes calldata _signature) internal view returns (address) { return _hashTypedDataV4(keccak256(_encodeRequest(_req))).recover(_signature); } /// @dev Resolves 'stack too deep' error in `recoverAddress`. function _encodeRequest(MintRequest calldata _req) internal pure returns (bytes memory) { return abi.encode( TYPEHASH, _req.to, _req.primarySaleRecipient, _req.quantity, _req.price, _req.currency, _req.validityStartTimestamp, _req.validityEndTimestamp, _req.uid ); } /// @dev Sets contract URI for the storefront-level metadata of the contract. function setContractURI(string calldata _uri) external onlyRole(DEFAULT_ADMIN_ROLE) { contractURI = _uri; } function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable, Multicall) returns (address sender) { return ERC2771ContextUpgradeable._msgSender(); } function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) { return ERC2771ContextUpgradeable._msgData(); } }
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