Method writeWitnessHashTo

protocol/bc/tx.go:275–286

The only errors returned are those from w.

(w io.Writer)

// The only errors returned are those from w.
func (tx *Tx) writeWitnessHashTo(w io.Writer) (int, error) {
	// See $I10R/docs/future/protocol/specifications/txvm.md#transaction-witness
	// for the definition of the transaction witness and
	// $I10R/docs/future/protocol/specifications/blockchain.md#transaction-witness-commitment
	// for the definition of the transaction witness commitment.
	h := txvm.VMHash("WitnessHash", txvm.Encode(txvm.Tuple{
		txvm.Int(tx.Version),
		txvm.Int(tx.Runlimit),
		txvm.Bytes(tx.Program),
	}))
	return w.Write(h[:])
}