20 lines
666 B
Solidity
20 lines
666 B
Solidity
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev Interface of the ERC1271 standard signature validation method for
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* contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
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*
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* _Available since v4.1._
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*/
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interface IERC1271 {
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/**
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* @dev Should return whether the signature provided is valid for the provided data
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* @param hash Hash of the data to be signed
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* @param signature Signature byte array associated with _data
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*/
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function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
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}
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