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Add support for data-based outputs (OP_RETURN) to bitcoin-tx.

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This commit is contained in:
Pavel Janík
2015-06-29 20:14:43 +02:00
parent d7078533eb
commit 627468d2ea
5 changed files with 66 additions and 0 deletions
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32
src/bitcoin-tx.cpp
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@@ -70,6 +70,7 @@ static bool AppInitRawTx(int argc, char* argv[])
strUsage += HelpMessageOpt("locktime=N", _("Set TX lock time to N"));
strUsage += HelpMessageOpt("nversion=N", _("Set TX version to N"));
strUsage += HelpMessageOpt("outaddr=VALUE:ADDRESS", _("Add address-based output to TX"));
strUsage += HelpMessageOpt("outdata=[VALUE:]DATA", _("Add data-based output to TX"));
strUsage += HelpMessageOpt("outscript=VALUE:SCRIPT", _("Add raw script output to TX"));
strUsage += HelpMessageOpt("sign=SIGHASH-FLAGS", _("Add zero or more signatures to transaction") + ". " +
_("This command requires JSON registers:") +
@@ -231,6 +232,35 @@ static void MutateTxAddOutAddr(CMutableTransaction& tx, const string& strInput)
tx.vout.push_back(txout);
}
static void MutateTxAddOutData(CMutableTransaction& tx, const string& strInput)
{
CAmount value = 0;
// separate [VALUE:]DATA in string
size_t pos = strInput.find(':');
if (pos==0)
throw runtime_error("TX output value not specified");
if (pos != string::npos) {
// extract and validate VALUE
string strValue = strInput.substr(0, pos);
if (!ParseMoney(strValue, value))
throw runtime_error("invalid TX output value");
}
// extract and validate DATA
string strData = strInput.substr(pos + 1, string::npos);
if (!IsHex(strData))
throw runtime_error("invalid TX output data");
std::vector<unsigned char> data = ParseHex(strData);
CTxOut txout(value, CScript() << OP_RETURN << data);
tx.vout.push_back(txout);
}
static void MutateTxAddOutScript(CMutableTransaction& tx, const string& strInput)
{
// separate VALUE:SCRIPT in string
@@ -470,6 +500,8 @@ static void MutateTx(CMutableTransaction& tx, const string& command,
MutateTxDelOutput(tx, commandVal);
else if (command == "outaddr")
MutateTxAddOutAddr(tx, commandVal);
else if (command == "outdata")
MutateTxAddOutData(tx, commandVal);
else if (command == "outscript")
MutateTxAddOutScript(tx, commandVal);