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$6,164.17 (@ $2,678.51/ETH)Token Holdings
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- ERC-20 Tokens (19)15.75478869 PENDLE-LPTPendle Marke... (PENDLE...)0.00574415 sfrxETHStaked Frax ... (sfrxET...)$16.83@2,930.5856175.3058677 PENDLEPendle (PENDLE)$781.86@4.460.5 USDCUSDC (USDC)$0.50@1.000.00000447 bendWETHBend interes... (bendWE...)0 rETH-THETARibbon ETH T... (rETH-T...)0 aurasfrxETH-stETH-rETH-BPT-vaultsfrxETH-stET... (aurasf...)1.09495117 LUSDLUSD Stablecoin$1.10@1.0004200 TokenERC-20 TOKEN*[Suspicious]2,382.23 TokenERC-20 TOKEN*[Suspicious]540 TokenERC-20 TOKEN*[Suspicious]1.7 TokenERC-20 TOKEN*[Suspicious]9,283 TokenERC-20 TOKEN*[Suspicious]98,127 TokenERC-20 TOKEN*[Suspicious]7,000 TokenERC-20 TOKEN*[Unsafe]9,283 TokenERC-20 TOKEN*[Spam]100 TokenERC-20 TOKEN*[Spam]391,688.58334842 TokenERC-20 TOKEN*[Spam]7,000 TokenERC-20 TOKEN*[Spam]NFT Tokens (9)LUSDBONDLUSDBondNFTx2ERC-721
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Latest 25 from a total of 702 transactions
Transaction Hash MethodBlockFromToManager Call 20639927 2024-08-30 7:33:23 29 days ago 1725003203 IN 0 ETH$0.00 0.00251814 1.60599093 Manager Call 20639924 2024-08-30 7:32:47 29 days ago 1725003167 IN 0 ETH$0.00 0.00012565 1.70264458 Manager Call 20625987 2024-08-28 8:47:35 31 days ago 1724834855 IN 0 ETH$0.00 0.00163205 1.88741393 Manager Call 20625923 2024-08-28 8:34:47 31 days ago 1724834087 IN 0 ETH$0.00 0.00015729 2.77480513 Manager Call 20539701 2024-08-16 7:28:59 43 days ago 1723793339 IN 0 ETH$0.00 0.00103979 1.52518572 Manager Call 20539698 2024-08-16 7:28:23 43 days ago 1723793303 IN 0 ETH$0.00 0.00009102 1.60581945 Manager Call 20440871 2024-08-02 12:30:35 57 days ago 1722601835 IN 0 ETH$0.00 0.00234988 3.34962369 Manager Call 20440866 2024-08-02 12:29:35 57 days ago 1722601775 IN 0 ETH$0.00 0.00025641 3.4751275 Manager Call 20210522 2024-07-01 8:37:47 89 days ago 1719823067 IN 0 ETH$0.00 0.00265337 3.58864791 Manager Call 20210511 2024-07-01 8:35:35 89 days ago 1719822935 IN 0 ETH$0.00 0.00178803 3.92749507 Manager Call 20210438 2024-07-01 8:20:59 89 days ago 1719822059 IN 0 ETH$0.00 0.00027302 3.35804576 Manager Call 20210430 2024-07-01 8:19:23 89 days ago 1719821963 IN 0 ETH$0.00 0.00085495 3.47119579 Manager Call 20210426 2024-07-01 8:18:35 89 days ago 1719821915 IN 0 ETH$0.00 0.0001796 3.33511465 Manager Call 20210421 2024-07-01 8:17:35 89 days ago 1719821855 IN 0 ETH$0.00 0.00026506 3.59397149 Manager Call 20059906 2024-06-10 7:21:35 110 days ago 1718004095 IN 0 ETH$0.00 0.00113306 5.48928989 Manager Call 20009845 2024-06-03 7:36:11 117 days ago 1717400171 IN 0 ETH$0.00 0.00301498 11.13029129 Manager Call 20009843 2024-06-03 7:35:47 117 days ago 1717400147 IN 0 ETH$0.00 0.00086998 11.01845025 Manager Call 20009334 2024-06-03 5:53:47 117 days ago 1717394027 IN 0 ETH$0.00 0.00313823 7.02048725 Manager Call 20009331 2024-06-03 5:53:11 117 days ago 1717393991 IN 0 ETH$0.00 0.00050315 6.83256453 Manager Call 19959147 2024-05-27 5:33:47 124 days ago 1716788027 IN 0 ETH$0.00 0.00053838 9.8005996 Manager Call 19959140 2024-05-27 5:32:23 124 days ago 1716787943 IN 0 ETH$0.00 0.00188589 10.28361173 Manager Call 19959136 2024-05-27 5:31:35 124 days ago 1716787895 IN 0 ETH$0.00 0.0019952 9.42518903 Manager Call 19959119 2024-05-27 5:28:11 124 days ago 1716787691 IN 0 ETH$0.00 0.00197692 7.63734845 Manager Call 19959106 2024-05-27 5:25:35 124 days ago 1716787535 IN 0 ETH$0.00 0.00162317 8.01388307 Manager Call 19959070 2024-05-27 5:18:23 124 days ago 1716787103 IN 0 ETH$0.00 0.00454943 8.57384666 Latest 25 internal transactions (View All)
Advanced mode:Parent Transaction Hash Block From To 20841152 2024-09-27 9:46:11 38 hrs ago 1727430371 0.07227644 ETH$193.59 20790234 2024-09-20 7:13:11 8 days ago 1726816391 0.0106993 ETH$28.66 20740394 2024-09-13 8:06:47 15 days ago 1726214807 0.03661151 ETH$98.06 20691969 2024-09-06 13:51:59 22 days ago 1725630719 0.01081781 ETH$28.98 20639951 2024-08-30 7:38:11 29 days ago 1725003491 45.97736327 ETH$123,150.87 20639927 2024-08-30 7:33:23 29 days ago 1725003203 47.79320005 ETH$128,014.61 20589759 2024-08-23 7:18:11 36 days ago 1724397491 0.14937796 ETH$400.11 20539709 2024-08-16 7:30:35 43 days ago 1723793435 0.03806361 ETH$101.95 20539708 2024-08-16 7:30:23 43 days ago 1723793423 0.05124014 ETH$137.25 20539701 2024-08-16 7:28:59 43 days ago 1723793339 0.79053031 ETH$2,117.44 20489476 2024-08-09 7:13:47 50 days ago 1723187627 0.03293344 ETH$88.21 20475063 2024-08-07 7:00:23 52 days ago 1723014023 0.25731458 ETH$689.22 20440884 2024-08-02 12:33:11 57 days ago 1722601991 18.97672218 ETH$50,829.36 20440871 2024-08-02 12:30:35 57 days ago 1722601835 15.018038 ETH$40,225.98 20417792 2024-07-30 7:08:23 60 days ago 1722323303 0.86623365 ETH$2,320.22 20389091 2024-07-26 7:00:23 64 days ago 1721977223 0.03231135 ETH$86.55 20338943 2024-07-19 7:00:23 71 days ago 1721372423 0.04957974 ETH$132.80 20288858 2024-07-12 7:13:59 78 days ago 1720768439 0.06542593 ETH$175.24 20239021 2024-07-05 8:10:11 85 days ago 1720167011 0.01844122 ETH$49.40 20210534 2024-07-01 8:40:11 89 days ago 1719823211 0.02841397 ETH$76.11 20210522 2024-07-01 8:37:47 89 days ago 1719823067 40 ETH$107,140.44 20188552 2024-06-28 7:00:23 92 days ago 1719558023 0.0129649 ETH$34.73 20174452 2024-06-26 7:44:59 94 days ago 1719387899 1.51723326 ETH$4,063.93 20139616 2024-06-21 10:51:47 99 days ago 1718967107 0.03713284 ETH$99.46 20131434 2024-06-20 7:25:35 100 days ago 1718868335 5.42021881 ETH$14,518.12 Loading...LoadingSimilar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xE7a31Aeb...A68c46043The constructor portion of the code might be different and could alter the actual behaviour of the contractContract Name:TeaVaultV2
Compiler Versionv0.8.16+commit.07a7930e
Optimization Enabled:Yes with 9999999 runs
Other Settings:default evmVersionContract Source Code (Solidity Standard Json-Input format)
// contracts/TeaVaultV2.sol // SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.0; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol"; import "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol"; import "./IFilterMapper.sol"; error InvalidOwnerAddress(); error CallerIsNotInvestor(); error CallerIsNotManager(); error FilterMapperNotAssigned(); error ContractNotInWhitelist(); error InvalidFilter(); error InvalidFilterReturnValue(); error InvalidContractAddress(); error InconsistentParamsLengths(); error IncorrectValue(); error InvalidRecipientAddress(); /// @title A generalized managed investor vault /// @notice Fund manager is only allowed to call functions whitelisted in the filters /// @author Teahouse Finance contract TeaVaultV2 is ReentrancyGuard, Ownable, IERC721Receiver, ERC1155Receiver { struct Config { IFilterMapper filterMapper; address investor; address manager; bool allowManagerSignature; } Config public config; event FilterMapperChanged(address indexed sender, address newFilterMapper); event ManagerChanged(address indexed sender, address newManager); event InvestorChanged(address indexed sender, address newInvestor); event AllowManagerSignatureChanged(address indexed sender, bool newStatus); event TokenDeposited(address indexed sender, address indexed token, uint256 amount); event TokenWithdrawed(address indexed sender, address indexed recipient, address indexed token, uint256 amount); event Token721Deposited(address indexed sender, address indexed token, uint256 tokenId); event Token721Withdrawed(address indexed sender, address indexed recipient, address indexed token, uint256 tokenId); event Token1155Deposited(address indexed sender, address indexed token, uint256 tokenId, uint256 amount); event Token1155Withdrawed(address indexed sender, address indexed recipient, address indexed token, uint256 tokenId, uint256 amount); event Token1155BatchDeposited(address indexed sender, address indexed token, uint256[] tokenIds, uint256[] amounts); event Token1155BatchWithdrawed(address indexed sender, address indexed recipient, address indexed token, uint256[] tokenIds, uint256[] amounts); event ETHDeposited(address indexed sender, uint256 amount); event ETHWithdrawed(address indexed sender, address indexed recipient, uint256 amount); event ManagerCall(address indexed sender, address indexed contractAddr, uint256 value, bytes data); constructor(address _owner) { if(_owner == address(0)) revert InvalidOwnerAddress(); Ownable.transferOwnership(_owner); } receive() external payable { // do nothing } /// @notice Assign filter mapper contract /// @notice Only the owner can do this /// @param _filterMapper address of the filter mapper contract function assignFilterMapper(address _filterMapper) external onlyOwner { config.filterMapper = IFilterMapper(_filterMapper); emit FilterMapperChanged(msg.sender, _filterMapper); } /// @notice Assign fund manager /// @notice Only the owner can do this /// @param _manager fund manager address function assignManager(address _manager) external onlyOwner { config.manager = _manager; emit ManagerChanged(msg.sender, _manager); } /// @notice Assign investor /// @notice Only the owner can do this /// @param _investor investor address function assignInvestor(address _investor) external onlyOwner { config.investor = _investor; emit InvestorChanged(msg.sender, _investor); } /// @notice Set to allow or disallow manager signature validation /// @notice Only the owner can do this /// @param _allow true to allow, false to disallow /// @notice This is for EIP-1271 signature validation. function setAllowManagerSignature(bool _allow) external onlyOwner { config.allowManagerSignature = _allow; emit AllowManagerSignatureChanged(msg.sender, _allow); } /// @notice Deposit ERC20 tokens /// @notice Only the investor can do this /// @param _token address of the ERC-20 token /// @param _amount amount of the token to deposit function deposit(address _token, uint256 _amount) external nonReentrant onlyInvestor { SafeERC20.safeTransferFrom(IERC20(_token), msg.sender, address(this), _amount); emit TokenDeposited(msg.sender, _token, _amount); } /// @notice Withdraw ERC20 tokens /// @notice Only the investor can do this /// @param _token address of the ERC-20 token /// @param _amount amount of the token to withdraw function withdraw(address _recipient, address _token, uint256 _amount) external nonReentrant onlyInvestor { if (_recipient == address(0)) revert InvalidRecipientAddress(); SafeERC20.safeTransfer(IERC20(_token), _recipient, _amount); emit TokenWithdrawed(msg.sender, _recipient, _token, _amount); } /// @notice Deposit ERC721 tokens /// @notice Only the investor can do this /// @param _token address of the NFT /// @param _tokenId the NFT to deposit function deposit721(address _token, uint256 _tokenId) external nonReentrant onlyInvestor { IERC721(_token).safeTransferFrom(msg.sender, address(this), _tokenId); emit Token721Deposited(msg.sender, _token, _tokenId); } /// @notice Withdraw ERC721 tokens /// @notice Only the investor can do this /// @param _token address of the NFT /// @param _tokenId the NFT to withdraw function withdraw721(address _recipient, address _token, uint256 _tokenId) external nonReentrant onlyInvestor { if (_recipient == address(0)) revert InvalidRecipientAddress(); IERC721(_token).safeTransferFrom(address(this), _recipient, _tokenId); emit Token721Withdrawed(msg.sender, _recipient, _token, _tokenId); } /// @notice Deposit ERC1155 tokens /// @notice Only the investor can do this /// @param _token address of the token contract /// @param _tokenId the token to deposit /// @param _amount amount to deposit function deposit1155(address _token, uint256 _tokenId, uint256 _amount) external nonReentrant onlyInvestor { IERC1155(_token).safeTransferFrom(msg.sender, address(this), _tokenId, _amount, ""); emit Token1155Deposited(msg.sender, _token, _tokenId, _amount); } /// @notice Withdraw ERC1155 tokens /// @notice Only the investor can do this /// @param _token address of the token contract /// @param _tokenId the token to withdraw /// @param _amount amount to withdraw function withdraw1155(address _recipient, address _token, uint256 _tokenId, uint256 _amount) external nonReentrant onlyInvestor { if (_recipient == address(0)) revert InvalidRecipientAddress(); IERC1155(_token).safeTransferFrom(address(this), _recipient, _tokenId, _amount, ""); emit Token1155Withdrawed(msg.sender, _recipient, _token, _tokenId, _amount); } /// @notice Batch deposit ERC1155 tokens /// @notice Only the investor can do this /// @param _token address of the token contract /// @param _tokenIds the token to deposit /// @param _amounts amount to deposit function deposit1155Batch(address _token, uint256[] calldata _tokenIds, uint256[] calldata _amounts) external nonReentrant onlyInvestor { IERC1155(_token).safeBatchTransferFrom(msg.sender, address(this), _tokenIds, _amounts, ""); emit Token1155BatchDeposited(msg.sender, _token, _tokenIds, _amounts); } /// @notice Batch withdraw ERC1155 tokens /// @notice Only the investor can do this /// @param _token address of the token contract /// @param _tokenIds the token to withdraw /// @param _amounts amount to withdraw function withdraw1155Batch(address _recipient, address _token, uint256[] calldata _tokenIds, uint256[] calldata _amounts) external nonReentrant onlyInvestor { if (_recipient == address(0)) revert InvalidRecipientAddress(); IERC1155(_token).safeBatchTransferFrom(address(this), _recipient, _tokenIds, _amounts, ""); emit Token1155BatchWithdrawed(msg.sender, _recipient, _token, _tokenIds, _amounts); } /// @notice Deposit ETH /// @notice Only the investor can do this /// @param _amount amount of the token to deposit function depositETH(uint256 _amount) external payable onlyInvestor { if (msg.value != _amount) revert IncorrectValue(); emit ETHDeposited(msg.sender, _amount); } /// @notice Withdraw ETH /// @notice Only the investor can do this /// @param _amount amount of ETH to withdraw function withdrawETH(address payable _recipient, uint256 _amount) external nonReentrant onlyInvestor { if (_recipient == address(0)) revert InvalidRecipientAddress(); Address.sendValue(_recipient, _amount); emit ETHWithdrawed(msg.sender, _recipient, _amount); } /// @notice Call smart contract from vault /// @notice Only manager can do this /// @notice Only smart contracts and functions whitelisted in the filters can be called /// @param _contract smart contract address /// @param _value ETH to send with the call /// @param _args function signature and parameters function managerCall(address _contract, uint256 _value, bytes memory _args) external nonReentrant onlyManager { if (address(config.filterMapper) == address(0)) revert FilterMapperNotAssigned(); _internalManagerCall(_contract, _value, _args); } /// @notice Batch call smart contract from vault /// @notice Only manager can do this /// @notice Only smart contracts and functions whitelisted in the filters can be called /// @param _contracts smart contract addresses /// @param _values ETH to send with the call /// @param _args function signature and parameters function managerCallMulti(address[] memory _contracts, uint256[] memory _values, bytes[] memory _args) external nonReentrant onlyManager { if (address(config.filterMapper) == address(0)) revert FilterMapperNotAssigned(); if (_contracts.length != _values.length || _contracts.length != _args.length) revert InconsistentParamsLengths(); uint256 i; for (i = 0; i < _contracts.length; i++) { _internalManagerCall(_contracts[i], _values[i], _args[i]); } } function _internalManagerCall(address _contract, uint256 _value, bytes memory _args) internal { // get filter for _contract address filter = config.filterMapper.mapFilter(_contract); if (filter == address(0)) revert ContractNotInWhitelist(); if (!Address.isContract(filter)) revert InvalidFilter(); // call filter to check _args (bool success, bytes memory returndata) = filter.staticcall(_args); if (!success) { _forwardRevert(returndata); } if (returndata.length == 0) revert InvalidFilterReturnValue(); if (abi.decode(returndata, (bytes4)) != 0x59faaa03) revert InvalidFilterReturnValue(); // actually call _contract if filter is successful if (!Address.isContract(_contract)) revert InvalidContractAddress(); (success, returndata) = _contract.call{ value: _value }(_args); if (!success) { _forwardRevert(returndata); } emit ManagerCall(msg.sender, _contract, _value, _args); } function _forwardRevert(bytes memory result) internal pure { // forward revert from filter // from OpenZeppelin's Address.sol // works with both revert string and custom error if (result.length == 0) revert(); assembly { revert(add(32, result), mload(result)) } } /// @notice EIP-1271 signature validation /// @notice Always validates owner's signature /// @notice Optionally (depends on allowManagerSignature settings) validates manager's signature /// @param _hash data to sign /// @param _signature signature /// @return magicNumber returns 0x1626ba7e if valid, 0xffffffff if invalid function isValidSignature(bytes32 _hash, bytes calldata _signature) external view returns (bytes4 magicNumber) { (address signer, ECDSA.RecoverError err) = ECDSA.tryRecover(_hash, _signature); if (err != ECDSA.RecoverError.NoError) { return 0xffffffff; // not valid signature } if (signer == Ownable.owner() || (config.allowManagerSignature && signer == config.manager)) { return 0x1626ba7e; // valid signature } return 0xffffffff; } // IERC721Receiver function onERC721Received( address /*operator*/, address /*from*/, uint256 /*tokenId*/, bytes calldata /*data*/ ) external pure override returns (bytes4) { return IERC721Receiver.onERC721Received.selector; } // IERC1155Receiver function onERC1155Received( address /*operator*/, address /*from*/, uint256 /*id*/, uint256 /*value*/, bytes calldata /*data*/ ) external pure override returns (bytes4) { return IERC1155Receiver.onERC1155Received.selector; } function onERC1155BatchReceived( address /*operator*/, address /*from*/, uint256[] calldata /*ids*/, uint256[] calldata /*values*/, bytes calldata /*data*/ ) external pure override returns (bytes4) { return IERC1155Receiver.onERC1155BatchReceived.selector; } // modifiers /** * @dev Throws if called by any account other than the investor. */ modifier onlyInvestor() { if (msg.sender != config.investor) revert CallerIsNotInvestor(); _; } /** * @dev Throws if called by any account other than the manager. */ modifier onlyManager() { if (msg.sender != config.manager) revert CallerIsNotManager(); _; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// 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 // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/draft-IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * 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 (last updated v4.7.0) (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol) pragma solidity ^0.8.0; import "../IERC1155Receiver.sol"; import "../../../utils/introspection/ERC165.sol"; /** * @dev _Available since v3.1._ */ abstract contract ERC1155Receiver is ERC165, IERC1155Receiver { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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 functionCall(target, data, "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"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(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) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(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) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason 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 { // 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 v4.7.3) (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 } 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"); } else if (error == RecoverError.InvalidSignatureV) { revert("ECDSA: invalid signature 'v' 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 (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); } // 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)); } }
// contracts/IFilterMapper.sol // SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.0; interface IFilterMapper { function mapFilter(address _contract) external view returns(address); }
// 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 (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// 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 // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev _Available since v3.1._ */ interface IERC1155Receiver is IERC165 { /** * @dev Handles the receipt of a single ERC1155 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param value The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /** * @dev Handles the receipt of a multiple ERC1155 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match values array) * @param values An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); }
// 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 v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_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) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @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] = _HEX_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); } }
{ "optimizer": { "enabled": true, "runs": 9999999 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
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Contract ABI
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Deployed Bytecode
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Loading...LoadingLoading...LoadingLoading...LoadingLoading...LoadingLoading...LoadingLoading...Loading[ Download: CSV Export ][ Download: CSV Export ]A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.
Address QR Code
My Address - Private Name Tag or Note
My Name Tag:
Private Name Tags (up to 35 characters) can be used for easy identification of addressesPrivate Note:
A private note (up to 500 characters) can be attached to this address.
Please DO NOT store any passwords or private keys here.Compiler specific version warnings:
The compiled contract might be susceptible to VerbatimInvalidDeduplication (low-severity), FullInlinerNonExpressionSplitArgumentEvaluationOrder (low-severity), MissingSideEffectsOnSelectorAccess (low-severity), StorageWriteRemovalBeforeConditionalTermination (medium/high-severity) Solidity Compiler Bugs.
Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Connect a Wallet
Connecting wallet for read function is optional, useful if you want to call certain functions or simply use your wallet's node.Address Cards
To use this feature, please login to your Etherscan account and return to this page.Before You Copy
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