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Golang btc.Tx类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/piotrnar/gocoin/btc.Tx的典型用法代码示例。如果您正苦于以下问题:Golang Tx类的具体用法?Golang Tx怎么用?Golang Tx使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了Tx类的11个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: dump_hashes_to_sign

// dump hashes to be signed
func dump_hashes_to_sign(tx *btc.Tx) {
	for in := range tx.TxIn {
		uo := UO(unspentOuts[in])
		if uo == nil {
			println("Unknown content of unspent input number", in)
			os.Exit(1)
		}
		pubad := btc.NewAddrFromPkScript(uo.Pk_script, *testnet)
		hash := tx.SignatureHash(uo.Pk_script, in, btc.SIGHASH_ALL)
		fmt.Printf("Input #%d:\n\tHash : %s\n\tAddr : %s\n", in, hex.EncodeToString(hash), pubad.String())
	}
}
开发者ID:vipwzw,项目名称:gocoin,代码行数:13,代码来源:signtx.go


示例2: write_tx_file

func write_tx_file(tx *btc.Tx) {
	signedrawtx := tx.Serialize()
	tx.Hash = btc.NewSha2Hash(signedrawtx)

	hs := tx.Hash.String()
	fmt.Println("TxID", hs)

	f, _ := os.Create(hs[:8] + ".txt")
	if f != nil {
		f.Write([]byte(hex.EncodeToString(signedrawtx)))
		f.Close()
		fmt.Println("Transaction data stored in", hs[:8]+".txt")
	}
}
开发者ID:vipwzw,项目名称:gocoin,代码行数:14,代码来源:signtx.go


示例3: sign_tx

// prepare a signed transaction
func sign_tx(tx *btc.Tx) {
	for in := range tx.TxIn {
		uo := UO(unspentOuts[in])
		var found bool
		for j := range publ_addrs {
			if publ_addrs[j].Owns(uo.Pk_script) {
				found = true
				er := tx.Sign(in, uo.Pk_script, btc.SIGHASH_ALL, publ_addrs[j].Pubkey, priv_keys[j][:])
				if er != nil {
					fmt.Println("Error signing input", in, "of", len(tx.TxIn))
					fmt.Println("...", er.Error())
				}
				break
			}
		}
		if !found {
			fmt.Println("WARNING: You do not have key for", hex.EncodeToString(uo.Pk_script))
		}
	}
}
开发者ID:vipwzw,项目名称:gocoin,代码行数:21,代码来源:signtx.go


示例4: apply_to_balance

// apply the chnages to the balance folder
func apply_to_balance(tx *btc.Tx) {
	fmt.Println("Applying the transaction to the balance/ folder...")
	f, _ := os.Create("balance/unspent.txt")
	if f != nil {
		for j := 0; j < len(unspentOuts); j++ {
			if j > len(tx.TxIn) {
				fmt.Fprintln(f, unspentOuts[j], unspentOutsLabel[j])
			}
		}
		if *verbose {
			fmt.Println(len(tx.TxIn), "spent output(s) removed from 'balance/unspent.txt'")
		}

		var addback int
		for out := range tx.TxOut {
			for j := range publ_addrs {
				if publ_addrs[j].Owns(tx.TxOut[out].Pk_script) {
					fmt.Fprintf(f, "%s-%03d # %.8f / %s\n", tx.Hash.String(), out,
						float64(tx.TxOut[out].Value)/1e8, publ_addrs[j].String())
					addback++
				}
			}
		}
		f.Close()

		if addback > 0 {
			f, _ = os.Create("balance/" + tx.Hash.String() + ".tx")
			if f != nil {
				f.Write(tx.Serialize())
				f.Close()
			}
			if *verbose {
				fmt.Println(addback, "new output(s) appended to 'balance/unspent.txt'")
			}
		}
	}
}
开发者ID:vipwzw,项目名称:gocoin,代码行数:38,代码来源:signtx.go


示例5: make_signed_tx

// prepare a signed transaction
func make_signed_tx() {
	// Make an empty transaction
	tx := new(btc.Tx)
	tx.Version = 1
	tx.Lock_time = 0

	// Select as many inputs as we need to pay the full amount (with the fee)
	var btcsofar uint64
	for inpcnt := 0; inpcnt < len(unspentOuts); inpcnt++ {
		uo := UO(unspentOuts[inpcnt])
		// add the input to our transaction:
		tin := new(btc.TxIn)
		tin.Input = *unspentOuts[inpcnt]
		tin.Sequence = 0xffffffff
		tx.TxIn = append(tx.TxIn, tin)

		btcsofar += uo.Value
		if !*useallinputs && (btcsofar >= spendBtc+feeBtc) {
			break
		}
	}
	changeBtc = btcsofar - (spendBtc + feeBtc)
	if *verbose {
		fmt.Printf("Spending %d out of %d outputs...\n", len(tx.TxIn), len(unspentOuts))
	}

	// Build transaction outputs:
	tx.TxOut = make([]*btc.TxOut, len(sendTo))
	for o := range sendTo {
		tx.TxOut[o] = &btc.TxOut{Value: sendTo[o].amount, Pk_script: sendTo[o].addr.OutScript()}
	}

	if changeBtc > 0 {
		// Add one more output (with the change)
		chad := get_change_addr()
		if *verbose {
			fmt.Println("Sending change", changeBtc, "to", chad.String())
		}
		tx.TxOut = append(tx.TxOut, &btc.TxOut{Value: changeBtc, Pk_script: chad.OutScript()})
	}

	if *hashes {
		dump_hashes_to_sign(tx)
	} else {
		sign_tx(tx)
		write_tx_file(tx)

		if *apply2bal {
			apply_to_balance(tx)
		}
	}
}
开发者ID:raszzh,项目名称:gocoin,代码行数:53,代码来源:signtx.go


示例6: GetTx

func GetTx(txid *btc.Uint256, vout int) bool {
	r, er := http.Get("http://blockexplorer.com/rawtx/" + txid.String())
	if er == nil && r.StatusCode == 200 {
		defer r.Body.Close()
		c, _ := ioutil.ReadAll(r.Body)
		var txx onetx
		er = json.Unmarshal(c[:], &txx)
		if er == nil {
			tx := new(btc.Tx)
			tx.Version = txx.Ver
			tx.TxIn = make([]*btc.TxIn, len(txx.In))
			for i := range txx.In {
				tx.TxIn[i] = new(btc.TxIn)
				tx.TxIn[i].Input.Hash = btc.NewUint256FromString(txx.In[i].Prev_out.Hash).Hash
				tx.TxIn[i].Input.Vout = txx.In[i].Prev_out.N
				tx.TxIn[i].ScriptSig, _ = btc.DecodeScript(txx.In[i].ScriptSig)
				tx.TxIn[i].Sequence = 0xffffffff
			}
			tx.TxOut = make([]*btc.TxOut, len(txx.Out))
			for i := range txx.Out {
				tx.TxOut[i] = new(btc.TxOut)
				tx.TxOut[i].Value = btc.ParseValue(txx.Out[i].Value)
				tx.TxOut[i].Pk_script, _ = btc.DecodeScript(txx.Out[i].ScriptPubKey)
			}
			tx.Lock_time = txx.Lock_time
			rawtx := tx.Serialize()
			curid := btc.NewSha2Hash(rawtx)
			if !curid.Equal(txid) {
				fmt.Println("The downloaded transaction does not match its ID.")
				return false
			}
			ioutil.WriteFile("balance/"+curid.String()+".tx", rawtx, 0666)
			return true
		} else {
			fmt.Println("json.Unmarshal:", er.Error())
		}
	} else {
		if er != nil {
			fmt.Println("http.Get:", er.Error())
		} else {
			fmt.Println("StatusCode=", r.StatusCode)
		}
	}
	return false
}
开发者ID:johtso,项目名称:gocoin,代码行数:45,代码来源:fetchbalance.go


示例7: GetTxFromExplorer

// Download (and re-assemble) raw transaction from blockexplorer.com
func GetTxFromExplorer(txid *btc.Uint256) ([]byte, []byte) {
	url := "http://blockexplorer.com/rawtx/" + txid.String()
	r, er := http.Get(url)
	if er == nil && r.StatusCode == 200 {
		defer r.Body.Close()
		c, _ := ioutil.ReadAll(r.Body)
		var txx onetx
		er = json.Unmarshal(c[:], &txx)
		if er == nil {
			// This part looks weird, but this is how I solved seq=FFFFFFFF, if the field not present:
			for i := range txx.In {
				txx.In[i].Sequence = 0xffffffff
			}
			json.Unmarshal(c[:], &txx)
			// ... end of the weird solution

			tx := new(btc.Tx)
			tx.Version = txx.Ver
			tx.TxIn = make([]*btc.TxIn, len(txx.In))
			for i := range txx.In {
				tx.TxIn[i] = new(btc.TxIn)
				tx.TxIn[i].Input.Hash = btc.NewUint256FromString(txx.In[i].Prev_out.Hash).Hash
				tx.TxIn[i].Input.Vout = txx.In[i].Prev_out.N
				if txx.In[i].Prev_out.N == 0xffffffff &&
					txx.In[i].Prev_out.Hash == "0000000000000000000000000000000000000000000000000000000000000000" {
					tx.TxIn[i].ScriptSig, _ = hex.DecodeString(txx.In[i].Coinbase)
				} else {
					tx.TxIn[i].ScriptSig, _ = btc.DecodeScript(txx.In[i].ScriptSig)
				}
				tx.TxIn[i].Sequence = txx.In[i].Sequence
			}
			tx.TxOut = make([]*btc.TxOut, len(txx.Out))
			for i := range txx.Out {
				am, er := btc.StringToSatoshis(txx.Out[i].Value)
				if er != nil {
					fmt.Println("Incorrect BTC amount", txx.Out[i].Value, er.Error())
					return nil, nil
				}
				tx.TxOut[i] = new(btc.TxOut)
				tx.TxOut[i].Value = am
				tx.TxOut[i].Pk_script, _ = btc.DecodeScript(txx.Out[i].ScriptPubKey)
			}
			tx.Lock_time = txx.Lock_time
			rawtx := tx.Serialize()
			if txx.Size != uint(len(rawtx)) {
				fmt.Printf("Transaction size mismatch: %d expexted, %d decoded\n", txx.Size, len(rawtx))
				return nil, rawtx
			}
			curid := btc.NewSha2Hash(rawtx)
			if !curid.Equal(txid) {
				fmt.Println("The downloaded transaction does not match its ID.", txid.String())
				return nil, rawtx
			}
			return rawtx, rawtx
		} else {
			fmt.Println("json.Unmarshal:", er.Error())
		}
	} else {
		if er != nil {
			fmt.Println("http.Get:", er.Error())
		} else {
			fmt.Println("StatusCode=", r.StatusCode)
		}
	}
	return nil, nil
}
开发者ID:vipwzw,项目名称:gocoin,代码行数:67,代码来源:fetchtx.go


示例8: make_signed_tx

// prepare a signed transaction
func make_signed_tx() {
	// Make an empty transaction
	tx := new(btc.Tx)
	tx.Version = 1
	tx.Lock_time = 0

	// Select as many inputs as we need to pay the full amount (with the fee)
	var btcsofar uint64
	var inpcnt uint
	for inpcnt = 0; inpcnt < uint(len(unspentOuts)); inpcnt++ {
		uo := UO(unspentOuts[inpcnt])
		// add the input to our transaction:
		tin := new(btc.TxIn)
		tin.Input = *unspentOuts[inpcnt]
		tin.Sequence = 0xffffffff
		tx.TxIn = append(tx.TxIn, tin)

		btcsofar += uo.Value
		if btcsofar >= spendBtc+feeBtc {
			break
		}
	}
	changeBtc = btcsofar - (spendBtc + feeBtc)
	fmt.Printf("Spending %d out of %d outputs...\n", inpcnt+1, len(unspentOuts))

	// Build transaction outputs:
	tx.TxOut = make([]*btc.TxOut, len(sendTo))
	for o := range sendTo {
		tx.TxOut[o] = &btc.TxOut{Value: sendTo[o].amount, Pk_script: sendTo[o].addr.OutScript()}
	}

	if changeBtc > 0 {
		// Add one more output (with the change)
		tx.TxOut = append(tx.TxOut, &btc.TxOut{Value: changeBtc, Pk_script: get_change_addr().OutScript()})
	}

	//fmt.Println("Unsigned:", hex.EncodeToString(tx.Serialize()))

	for in := range tx.TxIn {
		uo := UO(unspentOuts[in])
		var found bool
		for j := range publ_addrs {
			if publ_addrs[j].Owns(uo.Pk_script) {
				pub_key, e := btc.NewPublicKey(publ_addrs[j].Pubkey)
				if e != nil {
					println("NewPublicKey:", e.Error(), "\007")
					os.Exit(1)
				}

				// Load the key (private and public)
				var key ecdsa.PrivateKey
				key.D = new(big.Int).SetBytes(priv_keys[j][:])
				key.PublicKey = pub_key.PublicKey

				//Calculate proper transaction hash
				h := tx.SignatureHash(uo.Pk_script, in, btc.SIGHASH_ALL)
				//fmt.Println("SignatureHash:", btc.NewUint256(h).String())

				// Sign
				r, s, err := ecdsa.Sign(rand.Reader, &key, h)
				if err != nil {
					println("Sign:", err.Error(), "\007")
					os.Exit(1)
				}
				rb := r.Bytes()
				sb := s.Bytes()

				if rb[0] >= 0x80 { // I thinnk this is needed, thought I am not quite sure... :P
					rb = append([]byte{0x00}, rb...)
				}

				if sb[0] >= 0x80 { // I thinnk this is needed, thought I am not quite sure... :P
					sb = append([]byte{0x00}, sb...)
				}

				// Output the signing result into a buffer, in format expected by bitcoin protocol
				busig := new(bytes.Buffer)
				busig.WriteByte(0x30)
				busig.WriteByte(byte(4 + len(rb) + len(sb)))
				busig.WriteByte(0x02)
				busig.WriteByte(byte(len(rb)))
				busig.Write(rb)
				busig.WriteByte(0x02)
				busig.WriteByte(byte(len(sb)))
				busig.Write(sb)
				busig.WriteByte(0x01) // hash type

				// Output the signature and the public key into tx.ScriptSig
				buscr := new(bytes.Buffer)
				buscr.WriteByte(byte(busig.Len()))
				buscr.Write(busig.Bytes())

				buscr.WriteByte(byte(len(publ_addrs[j].Pubkey)))
				buscr.Write(publ_addrs[j].Pubkey)

				// assign:
				tx.TxIn[in].ScriptSig = buscr.Bytes()

				found = true
//.........这里部分代码省略.........
开发者ID:spartacusX,项目名称:gocoin,代码行数:101,代码来源:wallet.go


示例9: make_signed_tx

// prepare a signed transaction
func make_signed_tx() {
	// Make an empty transaction
	tx := new(btc.Tx)
	tx.Version = 1
	tx.Lock_time = 0

	// Select as many inputs as we need to pay the full amount (with the fee)
	var btcsofar uint64
	for inpcnt := 0; inpcnt < len(unspentOuts); inpcnt++ {
		uo := UO(unspentOuts[inpcnt])
		// add the input to our transaction:
		tin := new(btc.TxIn)
		tin.Input = *unspentOuts[inpcnt]
		tin.Sequence = 0xffffffff
		tx.TxIn = append(tx.TxIn, tin)

		btcsofar += uo.Value
		if !*useallinputs && (btcsofar >= spendBtc+feeBtc) {
			break
		}
	}
	changeBtc = btcsofar - (spendBtc + feeBtc)
	if *verbose {
		fmt.Printf("Spending %d out of %d outputs...\n", len(tx.TxIn), len(unspentOuts))
	}

	// Build transaction outputs:
	for o := range sendTo {
		if sendTo[o].addr.StealthAddr != nil {
			tx.TxOut = append(tx.TxOut, stealth_txout(sendTo[o].addr.StealthAddr, sendTo[o].amount)...)
		} else {
			tx.TxOut = append(tx.TxOut, &btc.TxOut{Value: sendTo[o].amount,
				Pk_script: sendTo[o].addr.OutScript()})
		}
	}

	if changeBtc > 0 {
		// Add one more output (with the change)
		chad := get_change_addr()
		if *verbose {
			fmt.Println("Sending change", changeBtc, "to", chad.String())
		}
		tx.TxOut = append(tx.TxOut, &btc.TxOut{Value: changeBtc, Pk_script: chad.OutScript()})
	}

	if *message != "" {
		// Add NULL output with an arbitrary message
		scr := new(bytes.Buffer)
		scr.WriteByte(0x6a) // OP_RETURN
		btc.WritePutLen(scr, uint32(len(*message)))
		scr.Write([]byte(*message))
		tx.TxOut = append(tx.TxOut, &btc.TxOut{Value: 0, Pk_script: scr.Bytes()})
	}

	if *hashes {
		dump_hashes_to_sign(tx)
	} else {
		sign_tx(tx)
		write_tx_file(tx)

		if *apply2bal {
			apply_to_balance(tx)
		}
	}
}
开发者ID:vipwzw,项目名称:gocoin,代码行数:66,代码来源:signtx.go


示例10: dl_payment

func dl_payment(w http.ResponseWriter, r *http.Request) {
	if !ipchecker(r) {
		return
	}

	var err string

	r.ParseForm()
	if len(r.Form["outcnt"]) == 1 {
		var thisbal btc.AllUnspentTx
		var pay_cmd string
		var totalinput, spentsofar uint64
		var change_addr *btc.BtcAddr

		tx := new(btc.Tx)
		tx.Version = 1
		tx.Lock_time = 0

		outcnt, _ := strconv.ParseUint(r.Form["outcnt"][0], 10, 32)

		wallet.LockBal()
		for i := 1; i <= int(outcnt); i++ {
			is := fmt.Sprint(i)
			if len(r.Form["txout"+is]) == 1 && r.Form["txout"+is][0] == "on" {
				hash := btc.NewUint256FromString(r.Form["txid"+is][0])
				if hash != nil {
					vout, er := strconv.ParseUint(r.Form["txvout"+is][0], 10, 32)
					if er == nil {
						var po = btc.TxPrevOut{Hash: hash.Hash, Vout: uint32(vout)}
						for j := range wallet.MyBalance {
							if wallet.MyBalance[j].TxPrevOut == po {
								thisbal = append(thisbal, wallet.MyBalance[j])

								// Add the input to our tx
								tin := new(btc.TxIn)
								tin.Input = wallet.MyBalance[j].TxPrevOut
								tin.Sequence = 0xffffffff
								tx.TxIn = append(tx.TxIn, tin)

								totalinput += wallet.MyBalance[j].Value

								if change_addr == nil {
									change_addr = wallet.MyBalance[j].BtcAddr
								}
							}
						}
					}
				}
			}
		}
		wallet.UnlockBal()

		for i := 1; ; i++ {
			adridx := fmt.Sprint("adr", i)
			btcidx := fmt.Sprint("btc", i)

			if len(r.Form[adridx]) != 1 || len(r.Form[btcidx]) != 1 {
				break
			}

			if len(r.Form[adridx][0]) > 1 {
				addr, er := btc.NewAddrFromString(r.Form[adridx][0])
				if er == nil {
					am, er := btc.StringToSatoshis(r.Form[btcidx][0])
					if er == nil && am > 0 {
						if pay_cmd == "" {
							pay_cmd = "wallet -useallinputs -send "
						} else {
							pay_cmd += ","
						}
						pay_cmd += addr.Enc58str + "=" + btc.UintToBtc(am)

						tout := new(btc.TxOut)
						tout.Value = am
						tout.Pk_script = addr.OutScript()
						tx.TxOut = append(tx.TxOut, tout)

						spentsofar += am
					} else {
						err = "Incorrect amount (" + r.Form[btcidx][0] + ") for Output #" + fmt.Sprint(i)
						goto error
					}
				} else {
					err = "Incorrect address (" + r.Form[adridx][0] + ") for Output #" + fmt.Sprint(i)
					goto error
				}
			}
		}

		if pay_cmd == "" {
			err = "No inputs selected"
			goto error
		}

		am, er := btc.StringToSatoshis(r.Form["txfee"][0])
		if er != nil {
			err = "Incorrect fee value: " + r.Form["txfee"][0]
			goto error
		}

//.........这里部分代码省略.........
开发者ID:Bitoy,项目名称:gocoin,代码行数:101,代码来源:sendtx.go


示例11: dl_payment

func dl_payment(w http.ResponseWriter, r *http.Request) {
	if !ipchecker(r) {
		return
	}

	var err string

	if len(r.Form["outcnt"]) == 1 {
		var thisbal btc.AllUnspentTx
		var pay_cmd string
		var totalinput, spentsofar uint64
		var change_addr *btc.BtcAddr
		var multisig_input []*wallet.MultisigAddr
		var invalid_tx bool

		addrs_to_msign := make(map[string]bool)

		tx := new(btc.Tx)
		tx.Version = 1
		tx.Lock_time = 0

		outcnt, _ := strconv.ParseUint(r.Form["outcnt"][0], 10, 32)

		wallet.LockBal()
		for i := 1; i <= int(outcnt); i++ {
			is := fmt.Sprint(i)
			if len(r.Form["txout"+is]) == 1 && r.Form["txout"+is][0] == "on" {
				hash := btc.NewUint256FromString(r.Form["txid"+is][0])
				if hash != nil {
					vout, er := strconv.ParseUint(r.Form["txvout"+is][0], 10, 32)
					if er == nil {
						var po = btc.TxPrevOut{Hash: hash.Hash, Vout: uint32(vout)}
						for j := range wallet.MyBalance {
							if wallet.MyBalance[j].TxPrevOut == po {
								thisbal = append(thisbal, wallet.MyBalance[j])

								// Add the input to our tx
								tin := new(btc.TxIn)
								tin.Input = wallet.MyBalance[j].TxPrevOut
								tin.Sequence = 0xffffffff
								tx.TxIn = append(tx.TxIn, tin)

								// Add new multisig address description
								_, msi := wallet.IsMultisig(wallet.MyBalance[j].BtcAddr)
								multisig_input = append(multisig_input, msi)
								if msi != nil {
									for ai := range msi.ListOfAddres {
										addrs_to_msign[msi.ListOfAddres[ai]] = true
									}
								}

								// Add the value to total input value
								totalinput += wallet.MyBalance[j].Value

								// If no change specified, use the first input addr as it
								if change_addr == nil {
									change_addr = wallet.MyBalance[j].BtcAddr
								}
							}
						}
					}
				}
			}
		}
		wallet.UnlockBal()

		for i := 1; ; i++ {
			adridx := fmt.Sprint("adr", i)
			btcidx := fmt.Sprint("btc", i)

			if len(r.Form[adridx]) != 1 || len(r.Form[btcidx]) != 1 {
				break
			}

			if len(r.Form[adridx][0]) > 1 {
				addr, er := btc.NewAddrFromString(r.Form[adridx][0])
				if er == nil {
					am, er := btc.StringToSatoshis(r.Form[btcidx][0])
					if er == nil && am > 0 {
						if pay_cmd == "" {
							pay_cmd = "wallet -useallinputs -send "
						} else {
							pay_cmd += ","
						}
						pay_cmd += addr.Enc58str + "=" + btc.UintToBtc(am)

						tout := new(btc.TxOut)
						tout.Value = am
						tout.Pk_script = addr.OutScript()
						if tout.Pk_script != nil {
							tx.TxOut = append(tx.TxOut, tout)
						} else {
							invalid_tx = true
						}

						spentsofar += am
					} else {
						err = "Incorrect amount (" + r.Form[btcidx][0] + ") for Output #" + fmt.Sprint(i)
						goto error
					}
//.........这里部分代码省略.........
开发者ID:vipwzw,项目名称:gocoin,代码行数:101,代码来源:sendtx.go



注:本文中的github.com/piotrnar/gocoin/btc.Tx类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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Golang btc.TxIn类代码示例发布时间:2022-05-28
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