Esempio n. 1
0
func DecodeTx(tx *btc.Tx) (s string, missinginp bool, totinp, totout uint64, e error) {
	s += fmt.Sprintln("Transaction details (for your information):")
	s += fmt.Sprintln(len(tx.TxIn), "Input(s):")
	for i := range tx.TxIn {
		s += fmt.Sprintf(" %3d %s", i, tx.TxIn[i].Input.String())
		var po *btc.TxOut

		inpid := btc.NewUint256(tx.TxIn[i].Input.Hash[:])
		if txinmem, ok := network.TransactionsToSend[inpid.BIdx()]; ok {
			s += fmt.Sprint(" mempool")
			if int(tx.TxIn[i].Input.Vout) >= len(txinmem.TxOut) {
				s += fmt.Sprintf(" - Vout TOO BIG (%d/%d)!", int(tx.TxIn[i].Input.Vout), len(txinmem.TxOut))
			} else {
				po = txinmem.TxOut[tx.TxIn[i].Input.Vout]
			}
		} else {
			po, _ = common.BlockChain.Unspent.UnspentGet(&tx.TxIn[i].Input)
			if po != nil {
				s += fmt.Sprintf("%8d", po.BlockHeight)
			}
		}
		if po != nil {
			ok := script.VerifyTxScript(tx.TxIn[i].ScriptSig, po.Pk_script, i, tx, true)
			if !ok {
				s += fmt.Sprintln("\nERROR: The transacion does not have a valid signature.")
				e = errors.New("Invalid signature")
				return
			}
			totinp += po.Value

			ads := "???"
			if ad := btc.NewAddrFromPkScript(po.Pk_script, common.Testnet); ad != nil {
				ads = ad.String()
			}
			s += fmt.Sprintf(" %15.8f BTC @ %s\n", float64(po.Value)/1e8, ads)
		} else {
			s += fmt.Sprintln(" - UNKNOWN INPUT")
			missinginp = true
		}
	}
	s += fmt.Sprintln(len(tx.TxOut), "Output(s):")
	for i := range tx.TxOut {
		totout += tx.TxOut[i].Value
		adr := btc.NewAddrFromPkScript(tx.TxOut[i].Pk_script, common.Testnet)
		if adr != nil {
			s += fmt.Sprintf(" %15.8f BTC to adr %s\n", float64(tx.TxOut[i].Value)/1e8, adr.String())
		} else {
			s += fmt.Sprintf(" %15.8f BTC to scr %s\n", float64(tx.TxOut[i].Value)/1e8, hex.EncodeToString(tx.TxOut[i].Pk_script))
		}
	}
	if missinginp {
		s += fmt.Sprintln("WARNING: There are missing inputs and we cannot calc input BTC amount.")
		s += fmt.Sprintln("If there is somethign wrong with this transaction, you can loose money...")
	} else {
		s += fmt.Sprintf("All OK: %.8f BTC in -> %.8f BTC out, with %.8f BTC fee\n", float64(totinp)/1e8,
			float64(totout)/1e8, float64(totinp-totout)/1e8)
	}
	return
}
Esempio n. 2
0
File: txs.go Progetto: liudch/gocoin
func output_tx_xml(w http.ResponseWriter, id string) {
	txid := btc.NewUint256FromString(id)
	w.Write([]byte("<tx>"))
	fmt.Fprint(w, "<id>", id, "</id>")
	if t2s, ok := network.TransactionsToSend[txid.BIdx()]; ok {
		w.Write([]byte("<status>OK</status>"))
		w.Write([]byte(fmt.Sprint("<len>", len(t2s.Data), "</len>")))
		tx := t2s.Tx
		w.Write([]byte("<inputs>"))
		for i := range tx.TxIn {
			w.Write([]byte("<input>"))
			var po *btc.TxOut
			inpid := btc.NewUint256(tx.TxIn[i].Input.Hash[:])
			if txinmem, ok := network.TransactionsToSend[inpid.BIdx()]; ok {
				if int(tx.TxIn[i].Input.Vout) < len(txinmem.TxOut) {
					po = txinmem.TxOut[tx.TxIn[i].Input.Vout]
				}
			} else {
				po, _ = common.BlockChain.Unspent.UnspentGet(&tx.TxIn[i].Input)
			}
			if po != nil {
				ok := script.VerifyTxScript(tx.TxIn[i].ScriptSig, po.Pk_script, i, tx, script.VER_P2SH|script.VER_DERSIG)
				if !ok {
					w.Write([]byte("<status>Script FAILED</status>"))
				} else {
					w.Write([]byte("<status>OK</status>"))
				}
				fmt.Fprint(w, "<value>", po.Value, "</value>")
				ads := "???"
				if ad := btc.NewAddrFromPkScript(po.Pk_script, common.Testnet); ad != nil {
					ads = ad.String()
				}
				fmt.Fprint(w, "<addr>", ads, "</addr>")
				fmt.Fprint(w, "<block>", po.BlockHeight, "</block>")
			} else {
				w.Write([]byte("<status>UNKNOWN INPUT</status>"))
			}
			w.Write([]byte("</input>"))
		}
		w.Write([]byte("</inputs>"))

		w.Write([]byte("<outputs>"))
		for i := range tx.TxOut {
			w.Write([]byte("<output>"))
			fmt.Fprint(w, "<value>", tx.TxOut[i].Value, "</value>")
			adr := btc.NewAddrFromPkScript(tx.TxOut[i].Pk_script, common.Testnet)
			if adr != nil {
				fmt.Fprint(w, "<addr>", adr.String(), "</addr>")
			} else {
				fmt.Fprint(w, "<addr>", "scr:"+hex.EncodeToString(tx.TxOut[i].Pk_script), "</addr>")
			}
			w.Write([]byte("</output>"))
		}
		w.Write([]byte("</outputs>"))
	} else {
		w.Write([]byte("<status>Not found</status>"))
	}
	w.Write([]byte("</tx>"))
}
Esempio n. 3
0
func all_del_utxos(tx *chain.QdbRec, outs []bool) {
	var uidx [20]byte
	var rec *OneAllAddrBal
	var i int
	var nr OneAllAddrInp
	var p2kh bool
	nr[0] = byte(tx.TxID[31]) % chain.NumberOfUnspentSubDBs //DbIdx
	copy(nr[1:9], tx.TxID[:8])                              //RecIdx
	for vout := uint32(0); vout < uint32(len(tx.Outs)); vout++ {
		if !outs[vout] {
			continue
		}
		out := tx.Outs[vout]
		if out == nil {
			continue
		}
		if out.Value < common.AllBalMinVal {
			continue
		}
		if p2kh = out.IsP2KH(); p2kh {
			copy(uidx[:], out.PKScr[3:23])
			rec = AllBalancesP2KH[uidx]
		} else if out.IsP2SH() {
			copy(uidx[:], out.PKScr[2:22])
			rec = AllBalancesP2SH[uidx]
		} else {
			continue
		}

		if rec == nil {
			println("balance rec not found for", btc.NewAddrFromPkScript(out.PKScr, common.CFG.Testnet).String())
			continue
		}

		for i = 0; i < len(rec.Unsp); i++ {
			if bytes.Equal(rec.Unsp[i][:9], nr[:9]) && binary.LittleEndian.Uint32(rec.Unsp[i][9:13]) == vout {
				break
			}
		}
		if i == len(rec.Unsp) {
			println("unspent rec not found for", btc.NewAddrFromPkScript(out.PKScr, common.CFG.Testnet).String())
			continue
		}
		if len(rec.Unsp) == 1 {
			if p2kh {
				delete(AllBalancesP2KH, uidx)
			} else {
				delete(AllBalancesP2SH, uidx)
			}
		} else {
			rec.Value -= out.Value
			rec.Unsp = append(rec.Unsp[:i], rec.Unsp[i+1:]...)
		}
	}
}
Esempio n. 4
0
// get BtcAddr from pk_script
func addr_from_pkscr(scr []byte) *btc.BtcAddr {
	if litecoin {
		return ltc.NewAddrFromPkScript(scr, testnet)
	} else {
		return btc.NewAddrFromPkScript(scr, testnet)
	}
}
Esempio n. 5
0
File: ltc.go Progetto: vancsj/gocoin
func NewAddrFromPkScript(scr []byte, testnet bool) (ad *btc.BtcAddr) {
	ad = btc.NewAddrFromPkScript(scr, testnet)
	if ad != nil && ad.Version == btc.AddrVerPubkey(false) {
		ad.Version = LTC_ADDR_VERSION
	}
	return
}
Esempio n. 6
0
// This is called while accepting the block (from the chain's thread)
func TxNotify(idx *btc.TxPrevOut, valpk *btc.TxOut) {
	var update_wallet bool

	BalanceMutex.Lock()

	if valpk != nil {
		// Extract hash160 from pkscript
		adr := btc.NewAddrFromPkScript(valpk.Pk_script, common.Testnet)
		if adr != nil {
			if rec, ok := CachedAddrs[adr.Hash160]; ok {
				rec.Value += valpk.Value
				utxo := new(chain.OneUnspentTx)
				utxo.TxPrevOut = *idx
				utxo.Value = valpk.Value
				utxo.MinedAt = valpk.BlockHeight
				utxo.BtcAddr = CacheUnspent[rec.CacheIndex].BtcAddr
				CacheUnspent[rec.CacheIndex].AllUnspentTx = append(CacheUnspent[rec.CacheIndex].AllUnspentTx, utxo)
				CacheUnspentIdx[idx.UIdx()] = &OneCachedUnspentIdx{Index: rec.CacheIndex, Record: utxo}
				if rec.InWallet {
					update_wallet = true
				}
			}
		}
	} else {
		ii := idx.UIdx()
		if ab, present := CacheUnspentIdx[ii]; present {
			adrec := CacheUnspent[ab.Index]
			//println("removing", idx.String())
			rec := CachedAddrs[adrec.BtcAddr.Hash160]
			if rec == nil {
				panic("rec not found for " + adrec.BtcAddr.String())
			}
			rec.Value -= ab.Record.Value
			if rec.InWallet {
				update_wallet = true
			}
			for j := range adrec.AllUnspentTx {
				if adrec.AllUnspentTx[j] == ab.Record {
					//println("found it at index", j)
					adrec.AllUnspentTx = append(adrec.AllUnspentTx[:j], adrec.AllUnspentTx[j+1:]...)
					break
				}
			}
			delete(CacheUnspentIdx, ii)
		}
	}

	if update_wallet {
		sync_wallet()
	}
	BalanceMutex.Unlock()
}
Esempio n. 7
0
func BlocksMiner(bl []byte) (string, int) {
	for i, m := range MinerIds {
		if MinedBy(bl, m.Tag) {
			return m.Name, i
		}
	}
	bt, _ := btc.NewBlock(bl)
	cbtx, _ := btc.NewTx(bl[bt.TxOffset:])
	adr := btc.NewAddrFromPkScript(cbtx.TxOut[0].Pk_script, Testnet)
	if adr != nil {
		return adr.String(), -1
	}
	return "", -1
}
Esempio n. 8
0
// return miner ID of the given coinbase transaction
func TxMiner(cbtx *btc.Tx) (string, int) {
	txdat := cbtx.Serialize()
	for i, m := range MinerIds {
		if bytes.Equal(m.Tag, []byte("_p2pool_")) { // P2Pool
			if len(cbtx.TxOut) > 10 &&
				bytes.Equal(cbtx.TxOut[len(cbtx.TxOut)-1].Pk_script[:2], []byte{0x6A, 0x28}) {
				return m.Name, i
			}
		} else if bytes.Contains(txdat, m.Tag) {
			return m.Name, i
		}
	}

	adr := btc.NewAddrFromPkScript(cbtx.TxOut[0].Pk_script, Testnet)
	if adr != nil {
		return adr.String(), -1
	}

	return "", -1
}
Esempio n. 9
0
// This function is only used when loading UTXO database
func NewUTXO(db *qdb.DB, k qdb.KeyType, rec *chain.OneWalkRecord) uint32 {
	if rec.IsP2KH() || rec.IsP2SH() {
		if adr := btc.NewAddrFromPkScript(rec.Script(), common.Testnet); adr != nil {
			if crec, ok := CachedAddrs[adr.Hash160]; ok {
				value := rec.Value()
				idx := rec.TxPrevOut()
				crec.Value += value
				utxo := new(chain.OneUnspentTx)
				utxo.TxPrevOut = *idx
				utxo.Value = value
				utxo.MinedAt = rec.BlockHeight()
				utxo.BtcAddr = CacheUnspent[crec.CacheIndex].BtcAddr
				CacheUnspent[crec.CacheIndex].AllUnspentTx = append(CacheUnspent[crec.CacheIndex].AllUnspentTx, utxo)
				CacheUnspentIdx[idx.UIdx()] = &OneCachedUnspentIdx{Index: crec.CacheIndex, Record: utxo}
			}
		}
	} else if len(StealthAdCache) > 0 && rec.IsStealthIdx() {
		StealthNotify(db, k, rec)
	}

	return 0
}
Esempio n. 10
0
// 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)
		}
		var pubad *btc.BtcAddr
		if litecoin {
			pubad = ltc.NewAddrFromPkScript(uo.Pk_script, testnet)
		} else {
			pubad = btc.NewAddrFromPkScript(uo.Pk_script, testnet)
		}
		if pubad != nil {
			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())
		} else {
			println("Cannot decode pkscript of unspent input number", in)
			os.Exit(1)
		}
	}
}
Esempio n. 11
0
func main() {
	fmt.Println("Gocoin FetchBal version", gocoin.Version)
	fmt.Println("NOTE: This tool is deprecated. Use balio instead.")

	proxy = os.Getenv("TOR")
	if proxy != "" {
		fmt.Println("Using Tor at", proxy)
		http.DefaultClient.Transport = &http.Transport{Dial: dials5}
	} else {
		fmt.Println("WARNING: not using Tor (setup TOR variable, if you want)")
	}

	if len(os.Args) < 2 {
		print_help()
		return
	}

	var addrs []*btc.BtcAddr

	if len(os.Args) == 2 {
		fi, er := os.Stat(os.Args[1])
		if er == nil && fi.Size() > 10 && !fi.IsDir() {
			wal := wallet.NewWallet(os.Args[1])
			if wal != nil {
				fmt.Println("Found", len(wal.Addrs), "address(es) in", wal.FileName)
				addrs = wal.Addrs
			}
		}
	}

	if len(addrs) == 0 {
		for i := 1; i < len(os.Args); i++ {
			a, e := btc.NewAddrFromString(os.Args[i])
			if e != nil {
				println(os.Args[i], ": ", e.Error())
				return
			} else {
				addrs = append(addrs, a)
			}
		}
	}

	if len(addrs) == 0 {
		print_help()
		return
	}

	url := "http://blockchain.info/unspent?active="
	for i := range addrs {
		if i > 0 {
			url += "|"
		}
		url += addrs[i].String()
	}

	var sum, outcnt uint64
	r, er := http.Get(url)
	//println(url)
	if er == nil && r.StatusCode == 200 {
		defer r.Body.Close()
		c, _ := ioutil.ReadAll(r.Body)
		var r restype
		er = json.Unmarshal(c[:], &r)
		if er == nil {
			os.RemoveAll("balance/")
			os.Mkdir("balance/", 0700)
			unsp, _ := os.Create("balance/unspent.txt")
			for i := 0; i < len(r.Unspent_outputs); i++ {
				pkscr, _ := hex.DecodeString(r.Unspent_outputs[i].Script)
				b58adr := "???"
				if pkscr != nil {
					ba := btc.NewAddrFromPkScript(pkscr, false)
					if ba != nil {
						b58adr = ba.String()
					}
				}
				txidlsb, _ := hex.DecodeString(r.Unspent_outputs[i].Tx_hash)
				if txidlsb != nil {
					txid := btc.NewUint256(txidlsb)
					rawtx := utils.GetTxFromWeb(txid)
					if rawtx != nil {
						ioutil.WriteFile("balance/"+txid.String()+".tx", rawtx, 0666)
						fmt.Fprintf(unsp, "%s-%03d # %.8f @ %s, %d confs\n",
							txid.String(), r.Unspent_outputs[i].Tx_output_n,
							float64(r.Unspent_outputs[i].Value)/1e8,
							b58adr, r.Unspent_outputs[i].Confirmations)
						sum += r.Unspent_outputs[i].Value
						outcnt++
					} else {
						fmt.Printf(" - cannot fetch %s-%03d\n", txid.String(), r.Unspent_outputs[i].Tx_output_n)
					}
				}
			}
			unsp.Close()
			if outcnt > 0 {
				fmt.Printf("Total %.8f BTC in %d unspent outputs.\n", float64(sum)/1e8, outcnt)
				fmt.Println("The data has been stored in 'balance' folder.")
				fmt.Println("Use it with the wallet app to spend any of it.")
			} else {
				fmt.Println("The fateched balance is empty.")
			}
		} else {
			fmt.Println("Unspent json.Unmarshal", er.Error())
		}
	} else {
		if er != nil {
			fmt.Println("Unspent ", er.Error())
		} else {
			fmt.Println("Unspent HTTP StatusCode", r.StatusCode)
		}
	}
}
Esempio n. 12
0
func output_tx_xml(w http.ResponseWriter, tx *btc.Tx) {
	w.Write([]byte("<input_list>"))
	for i := range tx.TxIn {
		w.Write([]byte("<input>"))
		w.Write([]byte("<script_sig>"))
		w.Write([]byte(hex.EncodeToString(tx.TxIn[i].ScriptSig)))
		w.Write([]byte("</script_sig>"))
		var po *btc.TxOut
		inpid := btc.NewUint256(tx.TxIn[i].Input.Hash[:])
		if txinmem, ok := network.TransactionsToSend[inpid.BIdx()]; ok {
			if int(tx.TxIn[i].Input.Vout) < len(txinmem.TxOut) {
				po = txinmem.TxOut[tx.TxIn[i].Input.Vout]
			}
		} else {
			po, _ = common.BlockChain.Unspent.UnspentGet(&tx.TxIn[i].Input)
		}
		if po != nil {
			ok := script.VerifyTxScript(po.Pk_script, po.Value, i, tx, script.STANDARD_VERIFY_FLAGS)
			if !ok {
				w.Write([]byte("<status>Script FAILED</status>"))
			} else {
				w.Write([]byte("<status>OK</status>"))
			}
			fmt.Fprint(w, "<value>", po.Value, "</value>")
			fmt.Fprint(w, "<pkscript>", hex.EncodeToString(po.Pk_script), "</pkscript>")
			if ad := btc.NewAddrFromPkScript(po.Pk_script, common.Testnet); ad != nil {
				fmt.Fprint(w, "<addr>", ad.String(), "</addr>")
			}
			fmt.Fprint(w, "<block>", po.BlockHeight, "</block>")

			if btc.IsP2SH(po.Pk_script) {
				fmt.Fprint(w, "<input_sigops>", btc.WITNESS_SCALE_FACTOR*btc.GetP2SHSigOpCount(tx.TxIn[i].ScriptSig), "</input_sigops>")
			}
			fmt.Fprint(w, "<witness_sigops>", tx.CountWitnessSigOps(i, po.Pk_script), "</witness_sigops>")
		} else {
			w.Write([]byte("<status>UNKNOWN INPUT</status>"))
		}
		fmt.Fprint(w, "<sequence>", tx.TxIn[i].Sequence, "</sequence>")

		if tx.SegWit != nil {
			w.Write([]byte("<segwit>"))
			for _, wit := range tx.SegWit[i] {
				w.Write([]byte("<witness>"))
				w.Write([]byte(hex.EncodeToString(wit)))
				w.Write([]byte("</witness>"))
			}
			w.Write([]byte("</segwit>"))
		}
		w.Write([]byte("</input>"))
	}
	w.Write([]byte("</input_list>"))

	w.Write([]byte("<output_list>"))
	for i := range tx.TxOut {
		w.Write([]byte("<output>"))
		fmt.Fprint(w, "<value>", tx.TxOut[i].Value, "</value>")
		adr := btc.NewAddrFromPkScript(tx.TxOut[i].Pk_script, common.Testnet)
		if adr != nil {
			fmt.Fprint(w, "<addr>", adr.String(), "</addr>")
		} else {
			fmt.Fprint(w, "<addr>", "scr:"+hex.EncodeToString(tx.TxOut[i].Pk_script), "</addr>")
		}
		w.Write([]byte("</output>"))
	}
	w.Write([]byte("</output_list>"))
}
Esempio n. 13
0
func dl_payment(w http.ResponseWriter, r *http.Request) {
	if !ipchecker(r) {
		return
	}

	var err string

	if len(r.Form["outcnt"]) == 1 {
		var thisbal chain.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

		seq, er := strconv.ParseInt(r.Form["tx_seq"][0], 10, 64)
		if er != nil || seq < -2 || seq > 0xffffffff {
			err = "Incorrect Sequence value: " + r.Form["tx_seq"][0]
			goto error
		}

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

		lck := new(usif.OneLock)
		lck.In.Add(1)
		lck.Out.Add(1)
		usif.LocksChan <- lck
		lck.In.Wait()
		defer lck.Out.Done()

		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)}
						if res, er := common.BlockChain.Unspent.UnspentGet(&po); er == nil {
							addr := btc.NewAddrFromPkScript(res.Pk_script, common.Testnet)

							unsp := &chain.OneUnspentTx{TxPrevOut: po, Value: res.Value,
								MinedAt: res.BlockHeight, Coinbase: res.WasCoinbase, BtcAddr: addr}

							thisbal = append(thisbal, unsp)

							// Add the input to our tx
							tin := new(btc.TxIn)
							tin.Input = po
							tin.Sequence = uint32(seq)
							tx.TxIn = append(tx.TxIn, tin)

							// Add the value to total input value
							totalinput += res.Value

							// If no change specified, use the first input addr as it
							if change_addr == nil {
								change_addr = addr
							}
						}
					}
				}
			}
		}

		if change_addr == nil {
			// There werte no inputs
			return
		}
		//wallet.BalanceMutex.Lock()
		//wallet.BalanceMutex.Unlock()

		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)

						outs, er := btc.NewSpendOutputs(addr, am, common.CFG.Testnet)
						if er != nil {
							err = er.Error()
							goto error
						}
						tx.TxOut = append(tx.TxOut, outs...)

						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
		}

		pay_cmd += fmt.Sprint(" -seq ", seq)

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

		pay_cmd += " -fee " + r.Form["txfee"][0]
		spentsofar += am

		if len(r.Form["change"][0]) > 1 {
			addr, er := btc.NewAddrFromString(r.Form["change"][0])
			if er != nil {
				err = "Incorrect change address: " + r.Form["change"][0]
				goto error
			}
			change_addr = addr
		}
		pay_cmd += " -change " + change_addr.String()

		if totalinput > spentsofar {
			// Add change output
			outs, er := btc.NewSpendOutputs(change_addr, totalinput-spentsofar, common.CFG.Testnet)
			if er != nil {
				err = er.Error()
				goto error
			}
			tx.TxOut = append(tx.TxOut, outs...)
		}

		buf := new(bytes.Buffer)
		zi := zip.NewWriter(buf)

		was_tx := make(map[[32]byte]bool, len(thisbal))
		for i := range thisbal {
			if was_tx[thisbal[i].TxPrevOut.Hash] {
				continue
			}
			was_tx[thisbal[i].TxPrevOut.Hash] = true
			txid := btc.NewUint256(thisbal[i].TxPrevOut.Hash[:])
			fz, _ := zi.Create("balance/" + txid.String() + ".tx")
			if dat, er := common.BlockChain.GetRawTx(thisbal[i].MinedAt, txid); er == nil {
				fz.Write(dat)
			} else {
				println(er.Error())
			}
		}

		fz, _ := zi.Create("balance/unspent.txt")
		for i := range thisbal {
			fmt.Fprintln(fz, thisbal[i].UnspentTextLine())
		}

		if pay_cmd != "" {
			fz, _ = zi.Create(common.CFG.WebUI.PayCommandName)
			fz.Write([]byte(pay_cmd))
		}

		// Non-multisig transaction ...
		fz, _ = zi.Create("tx2sign.txt")
		fz.Write([]byte(hex.EncodeToString(tx.Serialize())))

		zi.Close()
		w.Header()["Content-Type"] = []string{"application/zip"}
		w.Write(buf.Bytes())
		return
	} else {
		err = "Bad request"
	}
error:
	s := load_template("send_error.html")
	write_html_head(w, r)
	s = strings.Replace(s, "<!--ERROR_MSG-->", err, 1)
	w.Write([]byte(s))
	write_html_tail(w)
}
Esempio n. 14
0
// This function is only used when loading UTXO database
func newUTXO(tx *chain.QdbRec) (update_wallet bool) {
	var c, spen_exp []byte
	var rec *chain.QdbTxOut
	var h160 [20]byte

check_next_address:
	for idx, out := range tx.Outs {
		if out == nil {
			continue
		}

		// check for stealth
		if len(StealthAdCache) > 0 && idx > 0 {
			if rec = tx.Outs[idx-1]; rec == nil {
				goto not_stealth
			}
			if !rec.IsStealthIdx() || !out.IsP2KH() {
				goto not_stealth
			}

			for _, ad := range StealthAdCache {
				if sa := ad.addr.StealthAddr; sa.CheckNonce(rec.PKScr[3:40]) {
					c = btc.StealthDH(rec.PKScr[7:40], ad.d[:])
					spen_exp = btc.DeriveNextPublic(sa.SpendKeys[0][:], c)
					btc.RimpHash(spen_exp, h160[:])
					if bytes.Equal(out.PKScr[3:23], h160[:]) {
						uo := new(chain.OneUnspentTx)
						uo.TxPrevOut.Hash = tx.TxID
						uo.TxPrevOut.Vout = uint32(idx)
						uo.Value = out.Value
						uo.MinedAt = tx.InBlock
						uo.BtcAddr = btc.NewAddrFromHash160(h160[:], btc.AddrVerPubkey(common.CFG.Testnet))
						uo.FixDestString()
						uo.BtcAddr.StealthAddr = sa
						uo.BtcAddr.Extra = ad.addr.Extra
						uo.StealthC = c

						carec := CachedAddrs[ad.h160]
						carec.Value += uo.Value
						CacheUnspent[carec.CacheIndex].AllUnspentTx = append(CacheUnspent[carec.CacheIndex].AllUnspentTx, uo)
						CacheUnspentIdx[uo.TxPrevOut.UIdx()] = &OneCachedUnspentIdx{Index: carec.CacheIndex, Record: uo}
						if carec.InWallet {
							update_wallet = true
						}
						continue check_next_address // it it was setalth, cannot be enythign else
					}
				}
			}
		}

	not_stealth:
		// Extract hash160 from pkscript
		adr := btc.NewAddrFromPkScript(out.PKScr, common.Testnet)
		if adr != nil {
			if carec, ok := CachedAddrs[adr.Hash160]; ok {
				carec.Value += out.Value
				utxo := new(chain.OneUnspentTx)
				utxo.TxPrevOut.Hash = tx.TxID
				utxo.TxPrevOut.Vout = uint32(idx)
				utxo.Value = out.Value
				utxo.MinedAt = tx.InBlock
				utxo.BtcAddr = CacheUnspent[carec.CacheIndex].BtcAddr
				CacheUnspent[carec.CacheIndex].AllUnspentTx = append(CacheUnspent[carec.CacheIndex].AllUnspentTx, utxo)
				CacheUnspentIdx[utxo.TxPrevOut.UIdx()] = &OneCachedUnspentIdx{Index: carec.CacheIndex, Record: utxo}
				if carec.InWallet {
					update_wallet = true
				}
			}
		}
	}
	return
}
Esempio n. 15
0
// dump raw transaction
func dump_raw_tx() {
	tx := raw_tx_from_file(*dumptxfn)
	if tx == nil {
		fmt.Println("ERROR: Cannot decode the raw transaction")
		return
	}

	var unsigned int

	fmt.Println("ID:", tx.Hash.String())
	fmt.Println("Tx Version:", tx.Version)
	if tx.IsCoinBase() {
		if len(tx.TxIn[0].ScriptSig) >= 4 && tx.TxIn[0].ScriptSig[0] == 3 {
			fmt.Println("Coinbase TX from block height", uint(tx.TxIn[0].ScriptSig[1])|
				uint(tx.TxIn[0].ScriptSig[2])<<8|uint(tx.TxIn[0].ScriptSig[3])<<16)
		} else {
			fmt.Println("Coinbase TX from an unknown block")
		}
		s := hex.EncodeToString(tx.TxIn[0].ScriptSig)
		for len(s) > 0 {
			i := len(s)
			if i > 64 {
				i = 64
			}
			fmt.Println("  ", s[:i])
			s = s[i:]
		}
		//fmt.Println()
	} else {
		fmt.Println("TX IN cnt:", len(tx.TxIn))
		for i := range tx.TxIn {
			fmt.Printf("%4d) %s sl=%d seq=%08x\n", i, tx.TxIn[i].Input.String(),
				len(tx.TxIn[i].ScriptSig), tx.TxIn[i].Sequence)

			if len(tx.TxIn[i].ScriptSig) > 0 {
				if !dump_sigscript(tx.TxIn[i].ScriptSig) {
					unsigned++
				}
			} else {
				unsigned++
			}
		}
	}
	fmt.Println("TX OUT cnt:", len(tx.TxOut))
	for i := range tx.TxOut {
		fmt.Printf("%4d) %20s BTC ", i, btc.UintToBtc(tx.TxOut[i].Value))
		var addr *btc.BtcAddr
		if litecoin {
			addr = ltc.NewAddrFromPkScript(tx.TxOut[i].Pk_script, testnet)
		} else {
			addr = btc.NewAddrFromPkScript(tx.TxOut[i].Pk_script, testnet)
		}
		if addr != nil {
			if addr.Version == AddrVerScript() {
				fmt.Println("to scriptH", addr.String())
			} else {
				fmt.Println("to address", addr.String())
			}
		} else if len(tx.TxOut[i].Pk_script) == 40 && tx.TxOut[i].Pk_script[0] == 0x6a &&
			tx.TxOut[i].Pk_script[1] == 0x26 && tx.TxOut[i].Pk_script[2] == 0x06 {
			fmt.Println("Stealth", hex.EncodeToString(tx.TxOut[i].Pk_script[3:7]),
				hex.EncodeToString(tx.TxOut[i].Pk_script[7:]))
		} else {
			if tx.TxOut[i].Value > 0 {
				fmt.Println("WARNING!!! These coins go to non-standard Pk_script:")
			} else {
				fmt.Println("NULL output to Pk_script:")
			}
			ss, er := btc.ScriptToText(tx.TxOut[i].Pk_script)
			if er == nil {
				for i := range ss {
					fmt.Println("       ", ss[i])
				}
			} else {
				fmt.Println(hex.EncodeToString(tx.TxOut[i].Pk_script))
				fmt.Println(er.Error())
			}
		}
	}
	fmt.Println("Lock Time:", tx.Lock_time)

	if !tx.IsCoinBase() {
		if unsigned > 0 {
			fmt.Println("WARNING:", unsigned, "out of", len(tx.TxIn), "inputs are not signed or signed only patially")
		} else {
			fmt.Println("All", len(tx.TxIn), "transaction inputs seem to be signed")
		}
	}
}
Esempio n. 16
0
func all_addrs(par string) {
	var ptkh_outs, ptkh_vals, ptsh_outs, ptsh_vals uint64
	var best SortedWalletAddrs
	var cnt int = 15

	if par != "" {
		if c, e := strconv.ParseUint(par, 10, 32); e == nil {
			cnt = int(c)
		}
	}

	wallet.BalanceMutex.Lock()
	defer wallet.BalanceMutex.Unlock()

	for k, rec := range wallet.AllBalancesP2SH {
		ptsh_vals += rec.Value
		ptsh_outs += uint64(len(rec.Unsp))
		if sort_by_cnt && len(rec.Unsp) >= 1000 || !sort_by_cnt && rec.Value >= 1000e8 {
			best = append(best, OneWalletAddrs{P2SH: true, Key: k, rec: rec})
		}
	}

	for k, rec := range wallet.AllBalancesP2KH {
		ptkh_vals += rec.Value
		ptkh_outs += uint64(len(rec.Unsp))
		if sort_by_cnt && len(rec.Unsp) >= 1000 || !sort_by_cnt && rec.Value >= 1000e8 {
			best = append(best, OneWalletAddrs{Key: k, rec: rec})
		}
	}

	fmt.Println(btc.UintToBtc(ptkh_vals), "BTC in", ptkh_outs, "unspent recs from", len(wallet.AllBalancesP2KH), "P2KH addresses")
	fmt.Println(btc.UintToBtc(ptsh_vals), "BTC in", ptsh_outs, "unspent recs from", len(wallet.AllBalancesP2SH), "P2SH addresses")

	if sort_by_cnt {
		fmt.Println("Addrs with at least 1000 inps:", len(best))
	} else {
		fmt.Println("Addrs with at least 1000 BTC:", len(best))
	}

	sort.Sort(best)

	var pkscr_p2sk [23]byte
	var pkscr_p2kh [25]byte
	var ad *btc.BtcAddr

	pkscr_p2sk[0] = 0xa9
	pkscr_p2sk[1] = 20
	pkscr_p2sk[22] = 0x87

	pkscr_p2kh[0] = 0x76
	pkscr_p2kh[1] = 0xa9
	pkscr_p2kh[2] = 20
	pkscr_p2kh[23] = 0x88
	pkscr_p2kh[24] = 0xac

	for i := 0; i < len(best) && i < cnt; i++ {
		if best[i].P2SH {
			copy(pkscr_p2sk[2:22], best[i].Key[:])
			ad = btc.NewAddrFromPkScript(pkscr_p2sk[:], common.CFG.Testnet)
		} else {
			copy(pkscr_p2kh[3:23], best[i].Key[:])
			ad = btc.NewAddrFromPkScript(pkscr_p2kh[:], common.CFG.Testnet)
		}
		fmt.Println(i+1, ad.String(), btc.UintToBtc(best[i].rec.Value), "BTC in", len(best[i].rec.Unsp), "inputs")
	}
}