LBRYCommunity/lbrycrd
1
0
Fork 0
Code Issues 29 Pull requests 1 Projects Releases 32 Packages Wiki Activity

[bitcoin-tx] add rbfoptin command

Browse source
This commit is contained in:
Jonas Schnelli 2015-12-03 16:42:01 +01:00 committed by Luke Dashjr
parent 5d26244148
commit 575cde4605
1 changed files with 22 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
src/bitcoin-tx.cpp
View file

@ -77,6 +77,7 @@ static int AppInitRawTx(int argc, char* argv[])
strUsage += HelpMessageOpt("in=TXID:VOUT(:SEQUENCE_NUMBER)", _("Add input to TX"));
strUsage += HelpMessageOpt("locktime=N", _("Set TX lock time to N"));
strUsage += HelpMessageOpt("nversion=N", _("Set TX version to N"));
strUsage += HelpMessageOpt("rbfoptin(=N)", _("Set RBF opt-in sequence number for input N (if not provided, opt-in all available inputs)"));
strUsage += HelpMessageOpt("outaddr=VALUE:ADDRESS", _("Add address-based output to TX"));
strUsage += HelpMessageOpt("outpubkey=VALUE:PUBKEY[:FLAGS]", _("Add pay-to-pubkey output to TX") + ". " +
_("Optionally add the \"W\" flag to produce a pay-to-witness-pubkey-hash output") + ". " +
@ -202,6 +203,24 @@ static void MutateTxLocktime(CMutableTransaction& tx, const std::string& cmdVal)
tx.nLockTime = (unsigned int) newLocktime;
}
static void MutateTxRBFOptIn(CMutableTransaction& tx, const std::string& strInIdx)
{
// parse requested index
int inIdx = atoi(strInIdx);
if (inIdx < 0 || inIdx >= (int)tx.vin.size()) {
throw std::runtime_error("Invalid TX input index '" + strInIdx + "'");
}
// set the nSequence to MAX_INT - 2 (= RBF opt in flag)
int cnt = 0;
for (CTxIn& txin : tx.vin) {
if (strInIdx == "" || cnt == inIdx) {
txin.nSequence = std::numeric_limits<unsigned int>::max() - 2;
}
++cnt;
}
}
static void MutateTxAddInput(CMutableTransaction& tx, const std::string& strInput)
{
std::vector<std::string> vStrInputParts;
@ -649,6 +668,9 @@ static void MutateTx(CMutableTransaction& tx, const std::string& command,
MutateTxVersion(tx, commandVal);
else if (command == "locktime")
MutateTxLocktime(tx, commandVal);
else if (command == "rbfoptin") {
MutateTxRBFOptIn(tx, commandVal);
}
else if (command == "delin")
MutateTxDelInput(tx, commandVal);