// parse the "-send ..." parameter
func parse_spend() {
outs := strings.Split(*send, ",")
for i := range outs {
tmp := strings.Split(strings.Trim(outs[i], " "), "=")
if len(tmp) != 2 {
println("The outputs must be in a format address1=amount1[,addressN=amountN]")
cleanExit(1)
}
a, e := btc.NewAddrFromString(tmp[0])
if e != nil {
println("NewAddrFromString:", e.Error())
cleanExit(1)
}
assert_address_version(a)
am, er := btc.StringToSatoshis(tmp[1])
if er != nil {
println("Incorrect amount: ", tmp[1], er.Error())
cleanExit(1)
}
if *subfee {
am -= curFee
}
sendTo = append(sendTo, oneSendTo{addr: a, amount: am})
spendBtc += am
}
}
// parse the "-batch ..." parameter
func parse_batch() {
f, e := os.Open(*batch)
if e == nil {
defer f.Close()
td := bufio.NewReader(f)
var lcnt int
for {
li, _, _ := td.ReadLine()
if li == nil {
break
}
lcnt++
tmp := strings.SplitN(strings.Trim(string(li), " "), "=", 2)
if len(tmp) < 2 {
println("Error in the batch file line", lcnt)
cleanExit(1)
}
if tmp[0][0] == '#' {
continue // Just a comment-line
}
a, e := btc.NewAddrFromString(tmp[0])
if e != nil {
println("NewAddrFromString:", e.Error())
cleanExit(1)
}
assert_address_version(a)
am, e := btc.StringToSatoshis(tmp[1])
if e != nil {
println("StringToSatoshis:", e.Error())
cleanExit(1)
}
sendTo = append(sendTo, oneSendTo{addr: a, amount: am})
spendBtc += am
}
} else {
println(e.Error())
cleanExit(1)
}
}
func main() {
fmt.Println("Gocoin BalIO version", lib.Version)
if len(os.Args) < 2 {
print_help()
return
}
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)")
}
var addrs []*btc.BtcAddr
var argz []string
for i := 1; i < len(os.Args); i++ {
if os.Args[i] == "-ltc" {
ltc = true
} else if os.Args[i] == "-t" {
tbtc = true
} else {
argz = append(argz, os.Args[i])
}
}
if len(argz) == 1 {
fi, er := os.Stat(argz[0])
if er == nil && fi.Size() > 10 && !fi.IsDir() {
addrs = load_wallet(argz[0])
if addrs != nil {
fmt.Println("Found", len(addrs), "address(es) in", argz[0])
}
}
}
if len(addrs) == 0 {
for i := range argz {
a, e := btc.NewAddrFromString(argz[i])
if e != nil {
println(argz[i], ": ", e.Error())
return
} else {
addrs = append(addrs, a)
}
}
}
if len(addrs) == 0 {
print_help()
return
}
for i := range addrs {
switch addrs[i].Version {
case 48:
ltc = true
case 111:
tbtc = true
}
}
if tbtc && ltc {
println("Litecoin's testnet is not suppported")
return
}
url := base_url() + "address/unspent/"
for i := range addrs {
if i > 0 {
url += ","
}
url += addrs[i].String()
}
if len(addrs) == 0 {
println("No addresses to fetch balance for")
return
}
var sum, outcnt uint64
os.RemoveAll("balance/")
os.Mkdir("balance/", 0700)
unsp, _ := os.Create("balance/unspent.txt")
for off := 0; off < len(addrs); off += MAX_UNSPENT_AT_ONCE {
var r []prvout
if off+MAX_UNSPENT_AT_ONCE < len(addrs) {
r = get_unspent(addrs[off : off+MAX_UNSPENT_AT_ONCE])
} else {
r = get_unspent(addrs[off:])
}
if r == nil {
return
}
for i := range r {
for j := range r[i].Unspent {
txraw := get_raw_tx(r[i].Unspent[j].Tx)
if len(txraw) > 0 {
ioutil.WriteFile("balance/"+r[i].Unspent[j].Tx+".tx", txraw, 0666)
} else {
println("ERROR: cannot fetch raw tx data for", r[i].Unspent[j].Tx)
os.Exit(1)
}
val, _ := btc.StringToSatoshis(r[i].Unspent[j].Amount)
sum += val
outcnt++
fmt.Fprintf(unsp, "%s-%03d # %s @ %s, %d confs", r[i].Unspent[j].Tx,
r[i].Unspent[j].N, r[i].Unspent[j].Amount, r[i].Address, r[i].Unspent[j].Confirmations)
fmt.Fprintln(unsp)
}
}
}
unsp.Close()
if outcnt > 0 {
fmt.Printf("Total %.8f %s in %d unspent outputs.\n", float64(sum)/1e8, curr_unit(), 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.")
}
}
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)
}
func main() {
// Print the logo to stderr
println("Gocoin Wallet version", lib.Version)
println("This program comes with ABSOLUTELY NO WARRANTY")
println()
parse_config()
if flag.Lookup("h") != nil {
flag.PrintDefaults()
os.Exit(0)
}
flag.Parse()
// convert string fee to uint64
if val, e := btc.StringToSatoshis(fee); e != nil {
println("Incorrect fee value", fee)
os.Exit(1)
} else {
curFee = val
}
// decode raw transaction?
if *dumptxfn != "" {
dump_raw_tx()
return
}
// dump public key or secret scan key?
if *pubkey != "" || *scankey != "" {
make_wallet()
cleanExit(0)
}
// list public addresses?
if *list {
make_wallet()
dump_addrs()
cleanExit(0)
}
// dump privete key?
if *dumppriv != "" {
make_wallet()
dump_prvkey()
cleanExit(0)
}
// sign a message or a hash?
if *signaddr != "" {
make_wallet()
sign_message()
if *send == "" {
// Don't load_balance if he did not want to spend coins as well
cleanExit(0)
}
}
// raw transaction?
if *rawtx != "" {
// add p2sh sript to it?
if *p2sh != "" {
make_p2sh()
cleanExit(0)
}
make_wallet()
// multisig sign with a specific key?
if *multisign != "" {
multisig_sign()
cleanExit(0)
}
// this must be signing of a raw trasnaction
load_balance()
process_raw_tx()
cleanExit(0)
}
// make the wallet nad print balance
make_wallet()
if e := load_balance(); e != nil {
fmt.Println("ERROR:", e.Error())
cleanExit(1)
}
// send command?
if send_request() {
make_signed_tx()
cleanExit(0)
}
show_balance()
cleanExit(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
var multisig_input []*wallet.MultisigAddr
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.BalanceMutex.Lock()
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.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
}
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")
wallet.GetRawTransaction(thisbal[i].MinedAt, txid, fz)
}
fz, _ := zi.Create("balance/unspent.txt")
for i := range thisbal {
fmt.Fprintln(fz, thisbal[i].UnspentTextLine())
}
if len(addrs_to_msign) > 0 {
// Multisig (or mixed) transaction ...
for i := range multisig_input {
if multisig_input[i] == nil {
continue
}
d, er := hex.DecodeString(multisig_input[i].RedeemScript)
if er != nil {
println("ERROR parsing hex RedeemScript:", er.Error())
continue
}
ms, er := btc.NewMultiSigFromP2SH(d)
if er != nil {
println("ERROR parsing bin RedeemScript:", er.Error())
continue
}
tx.TxIn[i].ScriptSig = ms.Bytes()
}
fz, _ = zi.Create("multi_" + common.CFG.PayCommandName)
fmt.Fprintln(fz, "wallet -raw tx2sign.txt")
for k, _ := range addrs_to_msign {
fmt.Fprintln(fz, "wallet -msign", k, "-raw ...")
}
} else {
if pay_cmd != "" {
fz, _ = zi.Create(common.CFG.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)
}
func main() {
fmt.Println("Gocoin bal.io version", lib.Version)
if len(os.Args) < 2 {
print_help()
return
}
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)")
}
var addrs []*btc.BtcAddr
var argz []string
for i := 1; i < len(os.Args); i++ {
if os.Args[i] == "-ltc" {
ltc = true
} else if os.Args[i] == "-t" {
tbtc = true
} else {
argz = append(argz, os.Args[i])
}
}
if len(argz) == 1 {
fi, er := os.Stat(argz[0])
if er == nil && fi.Size() > 10 && !fi.IsDir() {
addrs = load_wallet(argz[0])
if addrs != nil {
fmt.Println("Found", len(addrs), "address(es) in", argz[0])
}
}
}
if len(addrs) == 0 {
for i := range argz {
a, e := btc.NewAddrFromString(argz[i])
if e != nil {
println(argz[i], ": ", e.Error())
return
} else {
addrs = append(addrs, a)
}
}
}
if len(addrs) == 0 {
print_help()
return
}
for i := range addrs {
switch addrs[i].Version {
case 48:
ltc = true
case 111:
tbtc = true
}
}
if tbtc && ltc {
println("Litecoin's testnet is not suppported")
return
}
url := base_url() + "address/unspent/"
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 mulitiadd
if len(addrs) == 1 {
var s singleadd
er = json.Unmarshal(c[:], &s)
if er == nil {
r.Status = s.Status
r.Data = []prvout{s.Data}
r.Code = s.Code
r.Message = s.Message
}
} else {
er = json.Unmarshal(c[:], &r)
}
if er == nil {
os.RemoveAll("balance/")
os.Mkdir("balance/", 0700)
unsp, _ := os.Create("balance/unspent.txt")
for i := range r.Data {
for j := range r.Data[i].Unspent {
txraw := het_raw_tx(r.Data[i].Unspent[j].Tx)
if len(txraw) > 0 {
ioutil.WriteFile("balance/"+r.Data[i].Unspent[j].Tx+".tx", txraw, 0666)
} else {
println("ERROR: cannot fetch raw tx data for", r.Data[i].Unspent[j].Tx)
os.Exit(1)
}
println(r.Data[i].Unspent[j].Tx, len(txraw))
val, _ := btc.StringToSatoshis(r.Data[i].Unspent[j].Amount)
sum += val
outcnt++
fmt.Fprintf(unsp, "%s-%03d # %s @ %s, %d confs", r.Data[i].Unspent[j].Tx,
r.Data[i].Unspent[j].N, r.Data[i].Unspent[j].Amount, r.Data[i].Address,
r.Data[i].Unspent[j].Confirmations)
fmt.Fprintln(unsp)
}
}
unsp.Close()
if outcnt > 0 {
fmt.Printf("Total %.8f %s in %d unspent outputs.\n", float64(sum)/1e8, curr_unit(), 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)
}
}
}
func main() {
// Print the logo to stderr
println("Gocoin Wallet version", lib.Version)
println("This program comes with ABSOLUTELY NO WARRANTY")
println()
parse_config()
if flag.Lookup("h") != nil {
flag.PrintDefaults()
os.Exit(0)
}
flag.Parse()
if val, e := btc.StringToSatoshis(fee); e != nil {
println("Incorrect fee value", fee)
os.Exit(1)
} else {
curFee = val
}
if *dumptxfn != "" {
//load_balance(false)
dump_raw_tx()
return
}
defer func() {
// cleanup private keys in RAM before exiting
if *verbose {
fmt.Println("Cleaning up private keys")
}
for k := range priv_keys {
for l := range priv_keys[k] {
priv_keys[k][l] = 0
}
}
}()
if *pubkey != "" || *scankey != "" {
make_wallet()
return
}
if *dump {
make_wallet()
dump_addrs()
return
}
if *dumppriv != "" {
make_wallet()
dump_prvkey()
return
}
if *signaddr != "" {
make_wallet()
sign_message()
if *send == "" {
// Don't load_balance if he did not want to spend coins as well
return
}
}
if *rawtx != "" {
if *p2sh != "" {
make_p2sh()
return
}
if !*hashes {
make_wallet()
}
if *multisign != "" {
multisig_sign()
return
}
load_balance(false)
process_raw_tx()
return
}
if send_request() {
if !*hashes {
make_wallet()
}
load_balance(!*hashes)
if spendBtc+feeBtc > totBtc {
fmt.Println("ERROR: You are trying to spend more than you own")
return
}
make_signed_tx()
return
}
// If no command specified, just print the balance
make_wallet()
load_balance(true)
}
// 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
}