wiretest.go

package main

import (
	"encoding/hex"
	"log"

	// "github.com/btcsuite/btcd/txscript"
	"github.com/btcsuite/btcd/chaincfg/chainhash"
	"github.com/btcsuite/btcd/wire"
)

func main() {
	tx := wire.NewMsgTx(2)

	opBytes, err := hex.DecodeString("525fc8fea737c827d600b09fcbb002e518d5b9498230c0f596ea1ba60358cc20")
	if err != nil {
		log.Fatal(err)
	}

	var opHash chainhash.Hash
	opHash.SetBytes(opBytes)
	op := wire.OutPoint{
		Hash:  opHash,
		Index: 0,
	}

	witness1, err := hex.DecodeString("3044022009ee2956dfe779c8120db092c86d8fc8d95741a193231151a203ed246444fbcd02203bec6d837a7d11e69375a4130bd56251fccbbdd262ed6ba4bb693310209bc33401")
	if err != nil {
		log.Fatal(err)
	}

	witness2, err := hex.DecodeString("039ff0c4745bf9b5b3b85ddacff408b7d6288f832a53bc016267d5f5b6a52f92c4")
	if err != nil {
		log.Fatal(err)
	}

	scriptSig, err := hex.DecodeString("1600143e33e3c857f5e4374eb16c65149eb9eeeb5bd7ce")
	if err != nil {
		log.Fatal(err)
	}

	witness := [][]byte{witness1, witness2}

	txIn := wire.TxIn{
		PreviousOutPoint: op,
		Witness:          witness,
		Sequence:         0xffffffff,
		SignatureScript:  scriptSig,
	}

	scriptPubKey1, err := hex.DecodeString("a91402edb870b533709fc15643eb24e94b7d31bea22787")
	if err != nil {
		log.Fatal(err)
	}

	txOut1 := wire.NewTxOut(int64(250250), scriptPubKey1)

	scriptPubKey2, err := hex.DecodeString("76a914d268b87b79af4c5ab430464df058ece832b98a4988ac")
	if err != nil {
		log.Fatal(err)
	}

	txOut2 := wire.NewTxOut(int64(2750), scriptPubKey2)

	tx.AddTxIn(&txIn)
	tx.AddTxOut(txOut1)
	tx.AddTxOut(txOut2)
	tx.LockTime = 0

	log.Println(tx.WitnessHash())
	log.Println(tx.TxHash())
	log.Println(tx.SerializeSize())
}