// 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)
}
}
// 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)
}
}
}
// 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")
}
}
}