SignatureVerification

Git Source

Library for verifying signatures using ECDSA and ERC-1271

Copied from https://github.com/Uniswap/permit2/blob/cc56ad0f3439c502c246fc5cfcc3db92bb8b7219/src/libraries/SignatureVerification.sol

State Variables

UPPER_BIT_MASK

bytes32 constant UPPER_BIT_MASK = (0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)

Functions

verify

function verify(bytes calldata signature, bytes32 hash, address claimedSigner) internal view;

Errors

InvalidSignatureLength

Thrown when the passed in signature is not a valid length

error InvalidSignatureLength();

InvalidSignature

Thrown when the recovered signer is equal to the zero address

error InvalidSignature();

InvalidSigner

Thrown when the recovered signer does not equal the claimedSigner

error InvalidSigner();

InvalidContractSignature

Thrown when the recovered contract signature is incorrect

error InvalidContractSignature();