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[trivial] Rename feebumper variables according to project code style

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Future PRs will completely refactor this translation unit and touch all
this code so we rename the variables to follow project stlye guidelines
in this preparation commit.

Don't use m_ prefixes for member variables since we're going to remove
the class entirely in the next commits.
This commit is contained in:
Russell Yanofsky 2017-09-20 16:04:05 -04:00 committed by John Newbery
parent 05a761932e
commit 7c4f009195
4 changed files with 102 additions and 102 deletions
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4
src/qt/walletmodel.cpp
View File

@ -666,12 +666,12 @@ bool WalletModel::transactionCanBeBumped(uint256 hash) const
bool WalletModel::bumpFee(uint256 hash) bool WalletModel::bumpFee(uint256 hash)
{ {
std::unique_ptr<CFeeBumper> feeBump; std::unique_ptr<FeeBumper> feeBump;
{ {
CCoinControl coin_control; CCoinControl coin_control;
coin_control.signalRbf = true; coin_control.signalRbf = true;
LOCK2(cs_main, wallet->cs_wallet); LOCK2(cs_main, wallet->cs_wallet);
feeBump.reset(new CFeeBumper(wallet, hash, coin_control, 0)); feeBump.reset(new FeeBumper(wallet, hash, coin_control, 0));
} }
if (feeBump->getResult() != BumpFeeResult::OK) if (feeBump->getResult() != BumpFeeResult::OK)
{ {

166
src/wallet/feebumper.cpp
View File

@ -23,7 +23,7 @@
// calculation, but we should be able to refactor after priority is removed). // calculation, but we should be able to refactor after priority is removed).
// NOTE: this requires that all inputs must be in mapWallet (eg the tx should // NOTE: this requires that all inputs must be in mapWallet (eg the tx should
// be IsAllFromMe). // be IsAllFromMe).
int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *pWallet) int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *wallet)
{ {
CMutableTransaction txNew(tx); CMutableTransaction txNew(tx);
std::vector<CInputCoin> vCoins; std::vector<CInputCoin> vCoins;
@ -31,11 +31,11 @@ int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *pWal
// IsAllFromMe(ISMINE_SPENDABLE), so every input should already be in our // IsAllFromMe(ISMINE_SPENDABLE), so every input should already be in our
// wallet, with a valid index into the vout array. // wallet, with a valid index into the vout array.
for (auto& input : tx.vin) { for (auto& input : tx.vin) {
const auto mi = pWallet->mapWallet.find(input.prevout.hash); const auto mi = wallet->mapWallet.find(input.prevout.hash);
assert(mi != pWallet->mapWallet.end() && input.prevout.n < mi->second.tx->vout.size()); assert(mi != wallet->mapWallet.end() && input.prevout.n < mi->second.tx->vout.size());
vCoins.emplace_back(CInputCoin(&(mi->second), input.prevout.n)); vCoins.emplace_back(CInputCoin(&(mi->second), input.prevout.n));
} }
if (!pWallet->DummySignTx(txNew, vCoins)) { if (!wallet->DummySignTx(txNew, vCoins)) {
// This should never happen, because IsAllFromMe(ISMINE_SPENDABLE) // This should never happen, because IsAllFromMe(ISMINE_SPENDABLE)
// implies that we can sign for every input. // implies that we can sign for every input.
return -1; return -1;
@ -43,10 +43,10 @@ int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *pWal
return GetVirtualTransactionSize(txNew); return GetVirtualTransactionSize(txNew);
} }
bool CFeeBumper::preconditionChecks(const CWallet *pWallet, const CWalletTx& wtx) { bool FeeBumper::preconditionChecks(const CWallet *wallet, const CWalletTx& wtx) {
if (pWallet->HasWalletSpend(wtx.GetHash())) { if (wallet->HasWalletSpend(wtx.GetHash())) {
vErrors.push_back("Transaction has descendants in the wallet"); errors.push_back("Transaction has descendants in the wallet");
currentResult = BumpFeeResult::INVALID_PARAMETER; current_result = BumpFeeResult::INVALID_PARAMETER;
return false; return false;
} }
@ -54,58 +54,58 @@ bool CFeeBumper::preconditionChecks(const CWallet *pWallet, const CWalletTx& wtx
LOCK(mempool.cs); LOCK(mempool.cs);
auto it_mp = mempool.mapTx.find(wtx.GetHash()); auto it_mp = mempool.mapTx.find(wtx.GetHash());
if (it_mp != mempool.mapTx.end() && it_mp->GetCountWithDescendants() > 1) { if (it_mp != mempool.mapTx.end() && it_mp->GetCountWithDescendants() > 1) {
vErrors.push_back("Transaction has descendants in the mempool"); errors.push_back("Transaction has descendants in the mempool");
currentResult = BumpFeeResult::INVALID_PARAMETER; current_result = BumpFeeResult::INVALID_PARAMETER;
return false; return false;
} }
} }
if (wtx.GetDepthInMainChain() != 0) { if (wtx.GetDepthInMainChain() != 0) {
vErrors.push_back("Transaction has been mined, or is conflicted with a mined transaction"); errors.push_back("Transaction has been mined, or is conflicted with a mined transaction");
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return false; return false;
} }
return true; return true;
} }
CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoinControl& coin_control, CAmount totalFee) FeeBumper::FeeBumper(const CWallet *wallet, const uint256 txid_in, const CCoinControl& coin_control, CAmount total_fee)
: :
txid(std::move(txidIn)), txid(std::move(txid_in)),
nOldFee(0), old_fee(0),
nNewFee(0) new_fee(0)
{ {
vErrors.clear(); errors.clear();
bumpedTxid.SetNull(); bumped_txid.SetNull();
AssertLockHeld(pWallet->cs_wallet); AssertLockHeld(wallet->cs_wallet);
auto it = pWallet->mapWallet.find(txid); auto it = wallet->mapWallet.find(txid);
if (it == pWallet->mapWallet.end()) { if (it == wallet->mapWallet.end()) {
vErrors.push_back("Invalid or non-wallet transaction id"); errors.push_back("Invalid or non-wallet transaction id");
currentResult = BumpFeeResult::INVALID_ADDRESS_OR_KEY; current_result = BumpFeeResult::INVALID_ADDRESS_OR_KEY;
return; return;
} }
const CWalletTx& wtx = it->second; const CWalletTx& wtx = it->second;
if (!preconditionChecks(pWallet, wtx)) { if (!preconditionChecks(wallet, wtx)) {
return; return;
} }
if (!SignalsOptInRBF(*wtx.tx)) { if (!SignalsOptInRBF(*wtx.tx)) {
vErrors.push_back("Transaction is not BIP 125 replaceable"); errors.push_back("Transaction is not BIP 125 replaceable");
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
if (wtx.mapValue.count("replaced_by_txid")) { if (wtx.mapValue.count("replaced_by_txid")) {
vErrors.push_back(strprintf("Cannot bump transaction %s which was already bumped by transaction %s", txid.ToString(), wtx.mapValue.at("replaced_by_txid"))); errors.push_back(strprintf("Cannot bump transaction %s which was already bumped by transaction %s", txid.ToString(), wtx.mapValue.at("replaced_by_txid")));
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
// check that original tx consists entirely of our inputs // check that original tx consists entirely of our inputs
// if not, we can't bump the fee, because the wallet has no way of knowing the value of the other inputs (thus the fee) // if not, we can't bump the fee, because the wallet has no way of knowing the value of the other inputs (thus the fee)
if (!pWallet->IsAllFromMe(*wtx.tx, ISMINE_SPENDABLE)) { if (!wallet->IsAllFromMe(*wtx.tx, ISMINE_SPENDABLE)) {
vErrors.push_back("Transaction contains inputs that don't belong to this wallet"); errors.push_back("Transaction contains inputs that don't belong to this wallet");
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
@ -113,33 +113,33 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin
// if there was no change output or multiple change outputs, fail // if there was no change output or multiple change outputs, fail
int nOutput = -1; int nOutput = -1;
for (size_t i = 0; i < wtx.tx->vout.size(); ++i) { for (size_t i = 0; i < wtx.tx->vout.size(); ++i) {
if (pWallet->IsChange(wtx.tx->vout[i])) { if (wallet->IsChange(wtx.tx->vout[i])) {
if (nOutput != -1) { if (nOutput != -1) {
vErrors.push_back("Transaction has multiple change outputs"); errors.push_back("Transaction has multiple change outputs");
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
nOutput = i; nOutput = i;
} }
} }
if (nOutput == -1) { if (nOutput == -1) {
vErrors.push_back("Transaction does not have a change output"); errors.push_back("Transaction does not have a change output");
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
// Calculate the expected size of the new transaction. // Calculate the expected size of the new transaction.
int64_t txSize = GetVirtualTransactionSize(*(wtx.tx)); int64_t txSize = GetVirtualTransactionSize(*(wtx.tx));
const int64_t maxNewTxSize = CalculateMaximumSignedTxSize(*wtx.tx, pWallet); const int64_t maxNewTxSize = CalculateMaximumSignedTxSize(*wtx.tx, wallet);
if (maxNewTxSize < 0) { if (maxNewTxSize < 0) {
vErrors.push_back("Transaction contains inputs that cannot be signed"); errors.push_back("Transaction contains inputs that cannot be signed");
currentResult = BumpFeeResult::INVALID_ADDRESS_OR_KEY; current_result = BumpFeeResult::INVALID_ADDRESS_OR_KEY;
return; return;
} }
// calculate the old fee and fee-rate // calculate the old fee and fee-rate
nOldFee = wtx.GetDebit(ISMINE_SPENDABLE) - wtx.tx->GetValueOut(); old_fee = wtx.GetDebit(ISMINE_SPENDABLE) - wtx.tx->GetValueOut();
CFeeRate nOldFeeRate(nOldFee, txSize); CFeeRate nOldFeeRate(old_fee, txSize);
CFeeRate nNewFeeRate; CFeeRate nNewFeeRate;
// The wallet uses a conservative WALLET_INCREMENTAL_RELAY_FEE value to // The wallet uses a conservative WALLET_INCREMENTAL_RELAY_FEE value to
// future proof against changes to network wide policy for incremental relay // future proof against changes to network wide policy for incremental relay
@ -149,26 +149,26 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin
walletIncrementalRelayFee = ::incrementalRelayFee; walletIncrementalRelayFee = ::incrementalRelayFee;
} }
if (totalFee > 0) { if (total_fee > 0) {
CAmount minTotalFee = nOldFeeRate.GetFee(maxNewTxSize) + ::incrementalRelayFee.GetFee(maxNewTxSize); CAmount minTotalFee = nOldFeeRate.GetFee(maxNewTxSize) + ::incrementalRelayFee.GetFee(maxNewTxSize);
if (totalFee < minTotalFee) { if (total_fee < minTotalFee) {
vErrors.push_back(strprintf("Insufficient totalFee, must be at least %s (oldFee %s + incrementalFee %s)", errors.push_back(strprintf("Insufficient totalFee, must be at least %s (oldFee %s + incrementalFee %s)",
FormatMoney(minTotalFee), FormatMoney(nOldFeeRate.GetFee(maxNewTxSize)), FormatMoney(::incrementalRelayFee.GetFee(maxNewTxSize)))); FormatMoney(minTotalFee), FormatMoney(nOldFeeRate.GetFee(maxNewTxSize)), FormatMoney(::incrementalRelayFee.GetFee(maxNewTxSize))));
currentResult = BumpFeeResult::INVALID_PARAMETER; current_result = BumpFeeResult::INVALID_PARAMETER;
return; return;
} }
CAmount requiredFee = GetRequiredFee(maxNewTxSize); CAmount requiredFee = GetRequiredFee(maxNewTxSize);
if (totalFee < requiredFee) { if (total_fee < requiredFee) {
vErrors.push_back(strprintf("Insufficient totalFee (cannot be less than required fee %s)", errors.push_back(strprintf("Insufficient totalFee (cannot be less than required fee %s)",
FormatMoney(requiredFee))); FormatMoney(requiredFee)));
currentResult = BumpFeeResult::INVALID_PARAMETER; current_result = BumpFeeResult::INVALID_PARAMETER;
return; return;
} }
nNewFee = totalFee; new_fee = total_fee;
nNewFeeRate = CFeeRate(totalFee, maxNewTxSize); nNewFeeRate = CFeeRate(total_fee, maxNewTxSize);
} else { } else {
nNewFee = GetMinimumFee(maxNewTxSize, coin_control, mempool, ::feeEstimator, nullptr /* FeeCalculation */); new_fee = GetMinimumFee(maxNewTxSize, coin_control, mempool, ::feeEstimator, nullptr /* FeeCalculation */);
nNewFeeRate = CFeeRate(nNewFee, maxNewTxSize); nNewFeeRate = CFeeRate(new_fee, maxNewTxSize);
// New fee rate must be at least old rate + minimum incremental relay rate // New fee rate must be at least old rate + minimum incremental relay rate
// walletIncrementalRelayFee.GetFeePerK() should be exact, because it's initialized // walletIncrementalRelayFee.GetFeePerK() should be exact, because it's initialized
@ -177,15 +177,15 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin
// add 1 satoshi to the result, because it may have been rounded down. // add 1 satoshi to the result, because it may have been rounded down.
if (nNewFeeRate.GetFeePerK() < nOldFeeRate.GetFeePerK() + 1 + walletIncrementalRelayFee.GetFeePerK()) { if (nNewFeeRate.GetFeePerK() < nOldFeeRate.GetFeePerK() + 1 + walletIncrementalRelayFee.GetFeePerK()) {
nNewFeeRate = CFeeRate(nOldFeeRate.GetFeePerK() + 1 + walletIncrementalRelayFee.GetFeePerK()); nNewFeeRate = CFeeRate(nOldFeeRate.GetFeePerK() + 1 + walletIncrementalRelayFee.GetFeePerK());
nNewFee = nNewFeeRate.GetFee(maxNewTxSize); new_fee = nNewFeeRate.GetFee(maxNewTxSize);
} }
} }
// Check that in all cases the new fee doesn't violate maxTxFee // Check that in all cases the new fee doesn't violate maxTxFee
if (nNewFee > maxTxFee) { if (new_fee > maxTxFee) {
vErrors.push_back(strprintf("Specified or calculated fee %s is too high (cannot be higher than maxTxFee %s)", errors.push_back(strprintf("Specified or calculated fee %s is too high (cannot be higher than maxTxFee %s)",
FormatMoney(nNewFee), FormatMoney(maxTxFee))); FormatMoney(new_fee), FormatMoney(maxTxFee)));
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
@ -193,29 +193,29 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin
// (no point in bumping fee if we know that the new tx won't be accepted to the mempool) // (no point in bumping fee if we know that the new tx won't be accepted to the mempool)
// This may occur if the user set TotalFee or paytxfee too low, if fallbackfee is too low, or, perhaps, // This may occur if the user set TotalFee or paytxfee too low, if fallbackfee is too low, or, perhaps,
// in a rare situation where the mempool minimum fee increased significantly since the fee estimation just a // in a rare situation where the mempool minimum fee increased significantly since the fee estimation just a
// moment earlier. In this case, we report an error to the user, who may use totalFee to make an adjustment. // moment earlier. In this case, we report an error to the user, who may use total_fee to make an adjustment.
CFeeRate minMempoolFeeRate = mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000); CFeeRate minMempoolFeeRate = mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
if (nNewFeeRate.GetFeePerK() < minMempoolFeeRate.GetFeePerK()) { if (nNewFeeRate.GetFeePerK() < minMempoolFeeRate.GetFeePerK()) {
vErrors.push_back(strprintf( errors.push_back(strprintf(
"New fee rate (%s) is lower than the minimum fee rate (%s) to get into the mempool -- " "New fee rate (%s) is lower than the minimum fee rate (%s) to get into the mempool -- "
"the totalFee value should be at least %s or the settxfee value should be at least %s to add transaction", "the totalFee value should be at least %s or the settxfee value should be at least %s to add transaction",
FormatMoney(nNewFeeRate.GetFeePerK()), FormatMoney(nNewFeeRate.GetFeePerK()),
FormatMoney(minMempoolFeeRate.GetFeePerK()), FormatMoney(minMempoolFeeRate.GetFeePerK()),
FormatMoney(minMempoolFeeRate.GetFee(maxNewTxSize)), FormatMoney(minMempoolFeeRate.GetFee(maxNewTxSize)),
FormatMoney(minMempoolFeeRate.GetFeePerK()))); FormatMoney(minMempoolFeeRate.GetFeePerK())));
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
// Now modify the output to increase the fee. // Now modify the output to increase the fee.
// If the output is not large enough to pay the fee, fail. // If the output is not large enough to pay the fee, fail.
CAmount nDelta = nNewFee - nOldFee; CAmount nDelta = new_fee - old_fee;
assert(nDelta > 0); assert(nDelta > 0);
mtx = *wtx.tx; mtx = *wtx.tx;
CTxOut* poutput = &(mtx.vout[nOutput]); CTxOut* poutput = &(mtx.vout[nOutput]);
if (poutput->nValue < nDelta) { if (poutput->nValue < nDelta) {
vErrors.push_back("Change output is too small to bump the fee"); errors.push_back("Change output is too small to bump the fee");
currentResult = BumpFeeResult::WALLET_ERROR; current_result = BumpFeeResult::WALLET_ERROR;
return; return;
} }
@ -223,7 +223,7 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin
poutput->nValue -= nDelta; poutput->nValue -= nDelta;
if (poutput->nValue <= GetDustThreshold(*poutput, ::dustRelayFee)) { if (poutput->nValue <= GetDustThreshold(*poutput, ::dustRelayFee)) {
LogPrint(BCLog::RPC, "Bumping fee and discarding dust output\n"); LogPrint(BCLog::RPC, "Bumping fee and discarding dust output\n");
nNewFee += poutput->nValue; new_fee += poutput->nValue;
mtx.vout.erase(mtx.vout.begin() + nOutput); mtx.vout.erase(mtx.vout.begin() + nOutput);
} }
@ -234,36 +234,36 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin
} }
} }
currentResult = BumpFeeResult::OK; current_result = BumpFeeResult::OK;
} }
bool CFeeBumper::signTransaction(CWallet *pWallet) bool FeeBumper::signTransaction(CWallet *wallet)
{ {
return pWallet->SignTransaction(mtx); return wallet->SignTransaction(mtx);
} }
bool CFeeBumper::commit(CWallet *pWallet) bool FeeBumper::commit(CWallet *wallet)
{ {
AssertLockHeld(pWallet->cs_wallet); AssertLockHeld(wallet->cs_wallet);
if (!vErrors.empty() || currentResult != BumpFeeResult::OK) { if (!errors.empty() || current_result != BumpFeeResult::OK) {
return false; return false;
} }
auto it = txid.IsNull() ? pWallet->mapWallet.end() : pWallet->mapWallet.find(txid); auto it = txid.IsNull() ? wallet->mapWallet.end() : wallet->mapWallet.find(txid);
if (it == pWallet->mapWallet.end()) { if (it == wallet->mapWallet.end()) {
vErrors.push_back("Invalid or non-wallet transaction id"); errors.push_back("Invalid or non-wallet transaction id");
currentResult = BumpFeeResult::MISC_ERROR; current_result = BumpFeeResult::MISC_ERROR;
return false; return false;
} }
CWalletTx& oldWtx = it->second; CWalletTx& oldWtx = it->second;
// make sure the transaction still has no descendants and hasn't been mined in the meantime // make sure the transaction still has no descendants and hasn't been mined in the meantime
if (!preconditionChecks(pWallet, oldWtx)) { if (!preconditionChecks(wallet, oldWtx)) {
return false; return false;
} }
CWalletTx wtxBumped(pWallet, MakeTransactionRef(std::move(mtx))); CWalletTx wtxBumped(wallet, MakeTransactionRef(std::move(mtx)));
// commit/broadcast the tx // commit/broadcast the tx
CReserveKey reservekey(pWallet); CReserveKey reservekey(wallet);
wtxBumped.mapValue = oldWtx.mapValue; wtxBumped.mapValue = oldWtx.mapValue;
wtxBumped.mapValue["replaces_txid"] = oldWtx.GetHash().ToString(); wtxBumped.mapValue["replaces_txid"] = oldWtx.GetHash().ToString();
wtxBumped.vOrderForm = oldWtx.vOrderForm; wtxBumped.vOrderForm = oldWtx.vOrderForm;
@ -271,26 +271,26 @@ bool CFeeBumper::commit(CWallet *pWallet)
wtxBumped.fTimeReceivedIsTxTime = true; wtxBumped.fTimeReceivedIsTxTime = true;
wtxBumped.fFromMe = true; wtxBumped.fFromMe = true;
CValidationState state; CValidationState state;
if (!pWallet->CommitTransaction(wtxBumped, reservekey, g_connman.get(), state)) { if (!wallet->CommitTransaction(wtxBumped, reservekey, g_connman.get(), state)) {
// NOTE: CommitTransaction never returns false, so this should never happen. // NOTE: CommitTransaction never returns false, so this should never happen.
vErrors.push_back(strprintf("The transaction was rejected: %s", state.GetRejectReason())); errors.push_back(strprintf("The transaction was rejected: %s", state.GetRejectReason()));
return false; return false;
} }
bumpedTxid = wtxBumped.GetHash(); bumped_txid = wtxBumped.GetHash();
if (state.IsInvalid()) { if (state.IsInvalid()) {
// This can happen if the mempool rejected the transaction. Report // This can happen if the mempool rejected the transaction. Report
// what happened in the "errors" response. // what happened in the "errors" response.
vErrors.push_back(strprintf("The transaction was rejected: %s", FormatStateMessage(state))); errors.push_back(strprintf("The transaction was rejected: %s", FormatStateMessage(state)));
} }
// mark the original tx as bumped // mark the original tx as bumped
if (!pWallet->MarkReplaced(oldWtx.GetHash(), wtxBumped.GetHash())) { if (!wallet->MarkReplaced(oldWtx.GetHash(), wtxBumped.GetHash())) {
// TODO: see if JSON-RPC has a standard way of returning a response // TODO: see if JSON-RPC has a standard way of returning a response
// along with an exception. It would be good to return information about // along with an exception. It would be good to return information about
// wtxBumped to the caller even if marking the original transaction // wtxBumped to the caller even if marking the original transaction
// replaced does not succeed for some reason. // replaced does not succeed for some reason.
vErrors.push_back("Created new bumpfee transaction but could not mark the original transaction as replaced"); errors.push_back("Created new bumpfee transaction but could not mark the original transaction as replaced");
} }
return true; return true;
} }

32
src/wallet/feebumper.h
View File

@ -23,39 +23,39 @@ enum class BumpFeeResult
MISC_ERROR, MISC_ERROR,
}; };
class CFeeBumper class FeeBumper
{ {
public: public:
CFeeBumper(const CWallet *pWalletIn, const uint256 txidIn, const CCoinControl& coin_control, CAmount totalFee); FeeBumper(const CWallet *wallet, const uint256 txid_in, const CCoinControl& coin_control, CAmount total_fee);
BumpFeeResult getResult() const { return currentResult; } BumpFeeResult getResult() const { return current_result; }
const std::vector<std::string>& getErrors() const { return vErrors; } const std::vector<std::string>& getErrors() const { return errors; }
CAmount getOldFee() const { return nOldFee; } CAmount getOldFee() const { return old_fee; }
CAmount getNewFee() const { return nNewFee; } CAmount getNewFee() const { return new_fee; }
uint256 getBumpedTxId() const { return bumpedTxid; } uint256 getBumpedTxId() const { return bumped_txid; }
/* signs the new transaction, /* signs the new transaction,
* returns false if the tx couldn't be found or if it was * returns false if the tx couldn't be found or if it was
* impossible to create the signature(s) * impossible to create the signature(s)
*/ */
bool signTransaction(CWallet *pWallet); bool signTransaction(CWallet *wallet);
/* commits the fee bump, /* commits the fee bump,
* returns true, in case of CWallet::CommitTransaction was successful * returns true, in case of CWallet::CommitTransaction was successful
* but, eventually sets vErrors if the tx could not be added to the mempool (will try later) * but, eventually sets errors if the tx could not be added to the mempool (will try later)
* or if the old transaction could not be marked as replaced * or if the old transaction could not be marked as replaced
*/ */
bool commit(CWallet *pWalletNonConst); bool commit(CWallet *wallet);
private: private:
bool preconditionChecks(const CWallet *pWallet, const CWalletTx& wtx); bool preconditionChecks(const CWallet *wallet, const CWalletTx& wtx);
const uint256 txid; const uint256 txid;
uint256 bumpedTxid; uint256 bumped_txid;
CMutableTransaction mtx; CMutableTransaction mtx;
std::vector<std::string> vErrors; std::vector<std::string> errors;
BumpFeeResult currentResult; BumpFeeResult current_result;
CAmount nOldFee; CAmount old_fee;
CAmount nNewFee; CAmount new_fee;
}; };
#endif // BITCOIN_WALLET_FEEBUMPER_H #endif // BITCOIN_WALLET_FEEBUMPER_H

2
src/wallet/rpcwallet.cpp
View File

@ -3125,7 +3125,7 @@ UniValue bumpfee(const JSONRPCRequest& request)
LOCK2(cs_main, pwallet->cs_wallet); LOCK2(cs_main, pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet); EnsureWalletIsUnlocked(pwallet);
CFeeBumper feeBump(pwallet, hash, coin_control, totalFee); FeeBumper feeBump(pwallet, hash, coin_control, totalFee);
BumpFeeResult res = feeBump.getResult(); BumpFeeResult res = feeBump.getResult();
if (res != BumpFeeResult::OK) if (res != BumpFeeResult::OK)
{ {