Method toMessage

tests/state_test_util.go:190–238

(ps stPostState)

}

func (tx *stTransaction) toMessage(ps stPostState) (core.Message, error) {
	// Derive sender from private key if present.
	var from common.Address
	if len(tx.PrivateKey) > 0 {
		key, err := crypto.ToECDSA(tx.PrivateKey)
		if err != nil {
			return nil, fmt.Errorf("invalid private key: %v", err)
		}
		from = crypto.PubkeyToAddress(key.PublicKey)
	}
	// Parse recipient if present.
	var to *common.Address
	if tx.To != "" {
		to = new(common.Address)
		if err := to.UnmarshalText([]byte(tx.To)); err != nil {
			return nil, fmt.Errorf("invalid to address: %v", err)
		}
	}

	// Get values specific to this post state.
	if ps.Indexes.Data > len(tx.Data) {
		return nil, fmt.Errorf("tx data index %d out of bounds", ps.Indexes.Data)
	}
	if ps.Indexes.Value > len(tx.Value) {
		return nil, fmt.Errorf("tx value index %d out of bounds", ps.Indexes.Value)
	}
	if ps.Indexes.Gas > len(tx.GasLimit) {
		return nil, fmt.Errorf("tx gas limit index %d out of bounds", ps.Indexes.Gas)
	}
	dataHex := tx.Data[ps.Indexes.Data]
	valueHex := tx.Value[ps.Indexes.Value]
	gasLimit := tx.GasLimit[ps.Indexes.Gas]
	// Value, Data hex encoding is messy: https://github.com/ethereum/tests/issues/203
	value := new(big.Int)
	if valueHex != "0x" {
		v, ok := math.ParseBig256(valueHex)
		if !ok {
			return nil, fmt.Errorf("invalid tx value %q", valueHex)
		}
		value = v
	}
	data, err := hex.DecodeString(strings.TrimPrefix(dataHex, "0x"))
	if err != nil {
		return nil, fmt.Errorf("invalid tx data %q", dataHex)
	}

	msg := types.NewMessage(from, to, tx.Nonce, value, gasLimit, tx.GasPrice, data, true)
	return msg, nil
}

func rlpHash(x interface{}) (h common.Hash) {
	hw := sha3.NewKeccak256()