Exemple #1
0
func InitTransaction() coin.Transaction {
	var tx coin.Transaction

	output := cipher.MustSHA256FromHex("043836eb6f29aaeb8b9bfce847e07c159c72b25ae17d291f32125e7f1912e2a0")
	tx.PushInput(output)

	for i := 0; i < 100; i++ {
		addr := cipher.MustDecodeBase58Address(AddrList[i])
		tx.PushOutput(addr, 1e12, 1) // 10e6*10e6
	}
	/*
		seckeys := make([]cipher.SecKey, 1)
		seckey := ""
		seckeys[0] = cipher.MustSecKeyFromHex(seckey)
		tx.SignInputs(seckeys)
	*/

	txs := make([]cipher.Sig, 1)
	sig := "ed9bd7a31fe30b9e2d53b35154233dfdf48aaaceb694a07142f84cdf4f5263d21b723f631817ae1c1f735bea13f0ff2a816e24a53ccb92afae685fdfc06724de01"
	txs[0] = cipher.MustSigFromHex(sig)
	tx.Sigs = txs

	tx.UpdateHeader()

	err := tx.Verify()

	if err != nil {
		log.Panic(err)
	}

	log.Printf("signature= %s", tx.Sigs[0].Hex())
	return tx
}
Exemple #2
0
func TransactionFromJSON(str string) (coin.Transaction, error) {

	var TxIn TransactionJSON
	err := json.Unmarshal([]byte(str), TxIn)

	if err != nil {
		errors.New("cannot deserialize")
	}

	var tx coin.Transaction

	tx.Sigs = make([]cipher.Sig, len(TxIn.Sigs))
	tx.In = make([]cipher.SHA256, len(TxIn.In))
	tx.Out = make([]coin.TransactionOutput, len(TxIn.Out))

	for i, _ := range tx.Sigs {
		sig2, err := cipher.SigFromHex(TxIn.Sigs[i])
		if err != nil {
			return coin.Transaction{}, errors.New("invalid signature")
		}
		tx.Sigs[i] = sig2
	}

	for i, _ := range tx.In {
		hash, err := cipher.SHA256FromHex(TxIn.In[i])
		if err != nil {
			return coin.Transaction{}, errors.New("invalid signature")
		}
		tx.In[i] = hash
	}

	for i, _ := range tx.Out {
		out, err := TransactionOutputFromJSON(TxIn.Out[i])
		if err != nil {
			return coin.Transaction{}, errors.New("invalid output")
		}
		tx.Out[i] = out
	}

	tx.Length = uint32(tx.Size())
	tx.Type = 0

	hash, err := cipher.SHA256FromHex(TxIn.Hash)
	if err != nil {
		return coin.Transaction{}, errors.New("invalid hash")
	}
	if hash != tx.Hash() {

	}

	InnerHash, err := cipher.SHA256FromHex(TxIn.Hash)

	if InnerHash != tx.InnerHash {
		return coin.Transaction{}, errors.New("inner hash")
	}

	err = tx.Verify()
	if err != nil {
		return coin.Transaction{}, errors.New("transaction failed verification")
	}

	return tx, nil
}