func raw_tx_from_file(fn string) *btc.Tx {
d, er := ioutil.ReadFile(fn)
if er != nil {
fmt.Println(er.Error())
return nil
}
var dat []byte
hexdump := is_hex_string(d)
if len(hexdump) >= 2 || (len(hexdump)&1) == 1 {
dat, _ = hex.DecodeString(hexdump)
} else {
if *verbose {
fmt.Println("Assume binary transaction file")
}
dat = d
}
tx, txle := btc.NewTx(dat)
if tx != nil && txle != len(dat) {
fmt.Println("WARNING: Raw transaction length mismatch", txle, len(dat))
}
return tx
}
func LoadRawTx(buf []byte) (s string) {
txd, er := hex.DecodeString(string(buf))
if er != nil {
txd = buf
}
// At this place we should have raw transaction in txd
tx, le := btc.NewTx(txd)
if tx == nil || le != len(txd) {
s += fmt.Sprintln("Could not decode transaction file or it has some extra data")
return
}
tx.Hash = btc.NewSha2Hash(txd)
var missinginp bool
var totinp, totout uint64
s, missinginp, totinp, totout, er = DecodeTx(tx)
if er != nil {
return
}
network.TxMutex.Lock()
if missinginp {
network.TransactionsToSend[tx.Hash.Hash] = &network.OneTxToSend{Tx: tx, Data: txd, Own: 2, Firstseen: time.Now(),
Volume: totout}
} else {
network.TransactionsToSend[tx.Hash.Hash] = &network.OneTxToSend{Tx: tx, Data: txd, Own: 1, Firstseen: time.Now(),
Volume: totinp, Fee: totinp - totout}
}
network.TxMutex.Unlock()
s += fmt.Sprintln("Transaction added to the memory pool. Please double check its details above.")
s += fmt.Sprintln("If it does what you intended, you can send it the network.\nUse TxID:", tx.Hash.String())
return
}
// Handle incoming "tx" msg
func (c *OneConnection) ParseTxNet(pl []byte) {
tid := btc.NewSha2Hash(pl)
NeedThisTx(tid, func() {
// This body is called with a locked TxMutex
if uint32(len(pl)) > atomic.LoadUint32(&common.CFG.TXPool.MaxTxSize) {
common.CountSafe("TxTooBig")
RejectTx(tid, len(pl), TX_REJECTED_TOO_BIG)
return
}
tx, le := btc.NewTx(pl)
if tx == nil {
RejectTx(tid, len(pl), TX_REJECTED_FORMAT)
c.DoS("TxBroken")
return
}
if le != len(pl) {
RejectTx(tid, len(pl), TX_REJECTED_LEN_MISMATCH)
c.DoS("TxLenMismatch")
return
}
if len(tx.TxIn) < 1 {
RejectTx(tid, len(pl), TX_REJECTED_EMPTY_INPUT)
c.DoS("TxNoInputs")
return
}
tx.Hash = tid
select {
case NetTxs <- &TxRcvd{conn: c, tx: tx, raw: pl}:
TransactionsPending[tid.BIdx()] = true
default:
common.CountSafe("NetTxsFULL")
}
})
}
func raw_tx_from_file(fn string) *btc.Tx {
dat := utils.GetRawData(fn)
if dat == nil {
fmt.Println("Cannot fetch raw transaction data")
return nil
}
tx, txle := btc.NewTx(dat)
if tx != nil && txle != len(dat) {
fmt.Println("WARNING: Raw transaction length mismatch", txle, len(dat))
}
return tx
}
func raw_tx_from_file(fn string) *btc.Tx {
d, er := ioutil.ReadFile(fn)
if er != nil {
fmt.Println(er.Error())
return nil
}
dat, er := hex.DecodeString(string(d))
if er != nil {
fmt.Println("hex.DecodeString failed - assume binary transaction file")
dat = d
}
tx, txle := btc.NewTx(dat)
if tx != nil && txle != len(dat) {
fmt.Println("WARNING: Raw transaction length mismatch", txle, len(dat))
}
return tx
}
func load_tx(par string) {
txd, er := hex.DecodeString(par)
if er != nil {
println(er.Error())
}
tx, le := btc.NewTx(txd)
if le != len(txd) {
fmt.Println("WARNING: Tx length mismatch", le, len(txd))
}
txid := btc.NewSha2Hash(txd)
fmt.Println(len(tx.TxIn), "inputs:")
var totinp, totout uint64
var missinginp bool
for i := range tx.TxIn {
fmt.Printf(" %3d %s", i, tx.TxIn[i].Input.String())
po, _ := BlockChain.Unspent.UnspentGet(&tx.TxIn[i].Input)
if po != nil {
totinp += po.Value
fmt.Printf(" %15.8f BTC @ %s\n", float64(po.Value)/1e8,
btc.NewAddrFromPkScript(po.Pk_script, AddrVersion).String())
} else {
fmt.Println(" * no such unspent in the blockchain *")
missinginp = true
}
}
fmt.Println(len(tx.TxOut), "outputs:")
for i := range tx.TxOut {
totout += tx.TxOut[i].Value
fmt.Printf(" %15.8f BTC to %s\n", float64(tx.TxOut[i].Value)/1e8,
btc.NewAddrFromPkScript(tx.TxOut[i].Pk_script, AddrVersion).String())
}
if missinginp {
fmt.Println("WARNING: There are missing inputs, so you cannot calc input BTC amount")
} else {
fmt.Printf("%.8f BTC in -> %.8f BTC out, with %.8f BTC fee\n", float64(totinp)/1e8,
float64(totout)/1e8, float64(totinp-totout)/1e8)
}
TransactionsToSend[txid.Hash] = txd
fmt.Println("Transaction", txid.String(), "stored in the memory pool")
fmt.Println("Execute 'stx " + txid.String() + "' to send it out")
}
// Handle incomming "tx" msg
func (c *OneConnection) ParseTxNet(pl []byte) {
tid := btc.NewSha2Hash(pl)
if uint32(len(pl)) > atomic.LoadUint32(&common.CFG.TXPool.MaxTxSize) {
common.CountSafe("TxTooBig")
TransactionsRejected[tid.BIdx()] = NewRejectedTx(tid, len(pl), TX_REJECTED_TOO_BIG)
return
}
NeedThisTx(tid, func() {
tx, le := btc.NewTx(pl)
if tx == nil {
common.CountSafe("TxParseError")
TransactionsRejected[tid.BIdx()] = NewRejectedTx(tid, len(pl), TX_REJECTED_FORMAT)
c.DoS()
return
}
if le != len(pl) {
common.CountSafe("TxParseLength")
TransactionsRejected[tid.BIdx()] = NewRejectedTx(tid, len(pl), TX_REJECTED_LEN_MISMATCH)
c.DoS()
return
}
if len(tx.TxIn) < 1 {
common.CountSafe("TxParseEmpty")
TransactionsRejected[tid.BIdx()] = NewRejectedTx(tid, len(pl), TX_REJECTED_EMPTY_INPUT)
c.DoS()
return
}
tx.Hash = tid
select {
case NetTxs <- &TxRcvd{conn: c, tx: tx, raw: pl}:
TransactionsPending[tid.Hash] = true
default:
common.CountSafe("NetTxsFULL")
}
})
}
// load the content of the "balance/" folder
func load_balance() {
var unknownInputs int
f, e := os.Open("balance/unspent.txt")
if e != nil {
println(e.Error())
os.Exit(1)
}
rd := bufio.NewReader(f)
for {
l, _, e := rd.ReadLine()
if len(l) == 0 && e != nil {
break
}
if l[64] == '-' {
txid := btc.NewUint256FromString(string(l[:64]))
rst := strings.SplitN(string(l[65:]), " ", 2)
vout, _ := strconv.ParseUint(rst[0], 10, 32)
uns := new(btc.TxPrevOut)
copy(uns.Hash[:], txid.Hash[:])
uns.Vout = uint32(vout)
lab := ""
if len(rst) > 1 {
lab = rst[1]
}
if _, ok := loadedTxs[txid.Hash]; !ok {
tf, _ := os.Open("balance/" + txid.String() + ".tx")
if tf != nil {
siz, _ := tf.Seek(0, os.SEEK_END)
tf.Seek(0, os.SEEK_SET)
buf := make([]byte, siz)
tf.Read(buf)
tf.Close()
th := btc.Sha2Sum(buf)
if bytes.Equal(th[:], txid.Hash[:]) {
tx, _ := btc.NewTx(buf)
if tx != nil {
loadedTxs[txid.Hash] = tx
} else {
println("transaction is corrupt:", txid.String())
}
} else {
println("transaction file is corrupt:", txid.String())
os.Exit(1)
}
} else {
println("transaction file not found:", txid.String())
os.Exit(1)
}
}
uo := UO(uns)
fnd := false
for j := range publ_addrs {
if publ_addrs[j].Owns(uo.Pk_script) {
unspentOuts = append(unspentOuts, uns)
unspentOutsLabel = append(unspentOutsLabel, lab)
totBtc += UO(uns).Value
fnd = true
break
}
}
if !fnd {
unknownInputs++
if *verbose {
fmt.Println(uns.String(), "does not belogn to your wallet - ignore it")
}
}
}
}
f.Close()
fmt.Printf("You have %.8f BTC in %d unspent outputs\n", float64(totBtc)/1e8, len(unspentOuts))
if unknownInputs > 0 {
fmt.Printf("WARNING: Some inputs (%d) cannot be spent (-v to print them)\n", unknownInputs)
}
}
// load the content of the "balance/" folder
func load_balance(showbalance bool) {
var unknownInputs, multisigInputs int
f, e := os.Open("balance/unspent.txt")
if e != nil {
println(e.Error())
return
}
rd := bufio.NewReader(f)
for {
l, _, e := rd.ReadLine()
if len(l) == 0 && e != nil {
break
}
if l[64] == '-' {
txid := btc.NewUint256FromString(string(l[:64]))
rst := strings.SplitN(string(l[65:]), " ", 2)
vout, _ := strconv.ParseUint(rst[0], 10, 32)
uns := new(btc.TxPrevOut)
copy(uns.Hash[:], txid.Hash[:])
uns.Vout = uint32(vout)
lab := ""
if len(rst) > 1 {
lab = rst[1]
}
if _, ok := loadedTxs[txid.Hash]; !ok {
tf, _ := os.Open("balance/" + txid.String() + ".tx")
if tf != nil {
siz, _ := tf.Seek(0, os.SEEK_END)
tf.Seek(0, os.SEEK_SET)
buf := make([]byte, siz)
tf.Read(buf)
tf.Close()
th := btc.Sha2Sum(buf)
if bytes.Equal(th[:], txid.Hash[:]) {
tx, _ := btc.NewTx(buf)
if tx != nil {
loadedTxs[txid.Hash] = tx
} else {
println("transaction is corrupt:", txid.String())
}
} else {
println("transaction file is corrupt:", txid.String())
os.Exit(1)
}
} else {
println("transaction file not found:", txid.String())
os.Exit(1)
}
}
unspentOuts = append(unspentOuts, uns)
unspentOutsLabel = append(unspentOutsLabel, lab)
// Sum up all the balance and check if we have private key for this input
uo := UO(uns)
totBtc += UO(uns).Value
if !btc.IsP2SH(uo.Pk_script) {
fnd := false
for j := range publ_addrs {
if publ_addrs[j].Owns(uo.Pk_script) {
fnd = true
break
}
}
if showbalance && !fnd {
unknownInputs++
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "does not belong to your wallet (cannot sign it)")
}
}
} else {
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "belongs to a multisig address")
}
multisigInputs++
}
}
}
f.Close()
fmt.Printf("You have %.8f BTC in %d unspent outputs. %d inputs are multisig type\n",
float64(totBtc)/1e8, len(unspentOuts), multisigInputs)
if showbalance {
if unknownInputs > 0 {
fmt.Printf("WARNING: Some inputs (%d) cannot be spent with this password (-v to print them)\n", unknownInputs)
}
}
}
// load the content of the "balance/" folder
func load_balance(showbalance bool) {
var unknownInputs, multisigInputs int
f, e := os.Open("balance/unspent.txt")
if e != nil {
println(e.Error())
return
}
rd := bufio.NewReader(f)
for {
l, _, e := rd.ReadLine()
if len(l) == 0 && e != nil {
break
}
if l[64] == '-' {
txid := btc.NewUint256FromString(string(l[:64]))
rst := strings.SplitN(string(l[65:]), " ", 2)
vout, _ := strconv.ParseUint(rst[0], 10, 32)
uns := new(btc.TxPrevOut)
copy(uns.Hash[:], txid.Hash[:])
uns.Vout = uint32(vout)
lab := ""
if len(rst) > 1 {
lab = rst[1]
}
str := string(l)
if sti := strings.Index(str, "_StealthC:"); sti != -1 {
c, e := hex.DecodeString(str[sti+10 : sti+10+64])
if e != nil {
fmt.Println("ERROR at stealth", txid.String(), vout, e.Error())
} else {
// add a new key to the wallet
sec := btc.DeriveNextPrivate(first_seed[:], c)
is_stealth[len(priv_keys)] = true
priv_keys = append(priv_keys, sec)
labels = append(labels, lab)
pub_key := btc.PublicFromPrivate(sec, true)
publ_addrs = append(publ_addrs, btc.NewAddrFromPubkey(pub_key, btc.AddrVerPubkey(*testnet)))
compressed_key = append(compressed_key, true) // stealth keys are always compressed
}
}
if _, ok := loadedTxs[txid.Hash]; !ok {
tf, _ := os.Open("balance/" + txid.String() + ".tx")
if tf != nil {
siz, _ := tf.Seek(0, os.SEEK_END)
tf.Seek(0, os.SEEK_SET)
buf := make([]byte, siz)
tf.Read(buf)
tf.Close()
th := btc.Sha2Sum(buf)
if bytes.Equal(th[:], txid.Hash[:]) {
tx, _ := btc.NewTx(buf)
if tx != nil {
loadedTxs[txid.Hash] = tx
} else {
println("transaction is corrupt:", txid.String())
}
} else {
println("transaction file is corrupt:", txid.String())
os.Exit(1)
}
} else {
println("transaction file not found:", txid.String())
os.Exit(1)
}
}
// Sum up all the balance and check if we have private key for this input
uo := UO(uns)
add_it := true
if !btc.IsP2SH(uo.Pk_script) {
fnd := false
for j := range publ_addrs {
if publ_addrs[j].Owns(uo.Pk_script) {
fnd = true
break
}
}
if !fnd {
if *onlvalid {
add_it = false
}
if showbalance {
unknownInputs++
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "does not belong to your wallet (cannot sign it)")
}
}
}
} else {
if *onlvalid {
add_it = false
}
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "belongs to a multisig address")
}
multisigInputs++
}
if add_it {
unspentOuts = append(unspentOuts, uns)
unspentOutsLabel = append(unspentOutsLabel, lab)
totBtc += UO(uns).Value
}
}
}
f.Close()
fmt.Printf("You have %.8f BTC in %d unspent outputs. %d inputs are multisig type\n",
float64(totBtc)/1e8, len(unspentOuts), multisigInputs)
if showbalance {
if unknownInputs > 0 {
fmt.Printf("WARNING: Some inputs (%d) cannot be spent with this password (-v to print them)\n", unknownInputs)
}
}
}