Method SignatureValues

types/transaction_signing.go:183–191

SignatureValues returns signature values. This signature needs to be in the [R || S || V] format where V is 0 or 1.

(tx *Transaction, sig []byte)

// SignatureValues returns signature values. This signature
// needs to be in the [R || S || V] format where V is 0 or 1.
func (fs FrontierSigner) SignatureValues(tx *Transaction, sig []byte) (r, s, v *big.Int, err error) {
	if len(sig) != 65 {
		panic(fmt.Sprintf("wrong size for signature: got %d, want 65", len(sig)))
	}
	r = new(big.Int).SetBytes(sig[:32])
	s = new(big.Int).SetBytes(sig[32:64])
	v = new(big.Int).SetBytes([]byte{sig[64] + 27})
	return r, s, v, nil
}

// Hash returns the hash to be signed by the sender.
// It does not uniquely identify the transaction.