eip712

func EIP712HashingTypedMessage ¶

func EIP712HashingTypedMessage(tm TypedMessage, chainId *big.Int) ([]byte, error)

func GetDomain ¶

func GetDomain(cpcAddr common.Address, chainId *big.Int) apitypes.TypedDataDomain

GetDomain returns typed data domain for the given custom-precompiled-contract.

func GetDomainTypes ¶

func GetDomainTypes() []apitypes.Type

GetDomainTypes returns domain types for EIP712Domain.

func VerifySignature ¶

func VerifySignature(
	expectedAddress common.Address,
	tm TypedMessage, r, s [32]byte, v uint8,
	chainId *big.Int,
) (match bool, recoveredAddress common.Address, err error)

VerifySignature verifies the signature of the given typed message. The signature is verified by recovering the public key from the given signature and comparing it with the expected address.