IERC 1271 Upgradeable

Interface of the ERC1271 standard signature validation method for contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271]. Available since v4.1.

Methods

isValidSignature

function isValidSignature(bytes32 hash, bytes signature) external view returns (bytes4 magicValue)

Should return whether the signature provided is valid for the provided data

Parameters

Name	Type	Description
hash	bytes32	Hash of the data to be signed
signature	bytes	Signature byte array associated with _data

Returns

Name	Type	Description
magicValue	bytes4	undefined