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- // SPDX-License-Identifier: MIT
- pragma solidity >=0.5.0;
- /**
- * @dev Signature verifier interface.
- */
- interface IERC7913SignatureVerifier {
- /**
- * @dev Verifies `signature` as a valid signature of `hash` by `key`.
- *
- * MUST return the bytes4 magic value IERC7913SignatureVerifier.verify.selector if the signature is valid.
- * SHOULD return 0xffffffff or revert if the signature is not valid.
- * SHOULD return 0xffffffff or revert if the key is empty
- */
- function verify(bytes calldata key, bytes32 hash, bytes calldata signature) external view returns (bytes4);
- }
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