func DecodeTxSops(tx *btc.Tx) (s string, missinginp bool, totinp, totout uint64, sigops uint, e error) {
s += fmt.Sprintln("Transaction details (for your information):")
s += fmt.Sprintln(len(tx.TxIn), "Input(s):")
sigops = btc.WITNESS_SCALE_FACTOR * tx.GetLegacySigOpCount()
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(po.Pk_script, po.Value, i, tx, script.VER_P2SH|script.VER_DERSIG|script.VER_CLTV)
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", float64(po.Value)/1e8, ads)
if btc.IsP2SH(po.Pk_script) {
so := btc.WITNESS_SCALE_FACTOR * btc.GetP2SHSigOpCount(tx.TxIn[i].ScriptSig)
s += fmt.Sprintf(" + %d sigops", so)
sigops += so
}
swo := tx.CountWitnessSigOps(i, po.Pk_script)
if swo > 0 {
s += fmt.Sprintf(" + %d segops", swo)
sigops += swo
}
s += "\n"
} 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)
}
s += fmt.Sprintln("ECDSA sig operations : ", sigops)
return
}
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>"))
}