eth

func DeriveChainID ¶

func DeriveChainID(v *big.Int) *big.Int

DeriveChainID derives the chain id from the given v parameter.

CONTRACT: v value is either:

• {0,1} + CHAIN_ID * 2 + 35, if EIP155 is used
• {0,1} + 27, otherwise

Ref: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-155.md

func RawSignatureValues ¶

func RawSignatureValues(vBz, rBz, sBz []byte) (v, r, s *big.Int)

RawSignatureValues is a helper function that parses the v,r and s fields of an Ethereum transaction