diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp index e1d066062..c5cca0bff 100644 --- a/src/qt/walletmodel.cpp +++ b/src/qt/walletmodel.cpp @@ -659,45 +659,39 @@ bool WalletModel::abandonTransaction(uint256 hash) const bool WalletModel::transactionCanBeBumped(uint256 hash) const { - LOCK2(cs_main, wallet->cs_wallet); - const CWalletTx *wtx = wallet->GetWalletTx(hash); - return wtx && SignalsOptInRBF(*(wtx->tx)) && !wtx->mapValue.count("replaced_by_txid"); + return feebumper::TransactionCanBeBumped(wallet, hash); } bool WalletModel::bumpFee(uint256 hash) { - std::unique_ptr feeBump; - { - CCoinControl coin_control; - coin_control.signalRbf = true; - LOCK2(cs_main, wallet->cs_wallet); - feeBump.reset(new CFeeBumper(wallet, hash, coin_control, 0)); - } - if (feeBump->getResult() != BumpFeeResult::OK) - { + CCoinControl coin_control; + coin_control.signalRbf = true; + std::vector errors; + CAmount old_fee; + CAmount new_fee; + CMutableTransaction mtx; + if (feebumper::CreateTransaction(wallet, hash, coin_control, 0 /* totalFee */, errors, old_fee, new_fee, mtx) != feebumper::Result::OK) { QMessageBox::critical(0, tr("Fee bump error"), tr("Increasing transaction fee failed") + "
(" + - (feeBump->getErrors().size() ? QString::fromStdString(feeBump->getErrors()[0]) : "") +")"); + (errors.size() ? QString::fromStdString(errors[0]) : "") +")"); return false; } // allow a user based fee verification QString questionString = tr("Do you want to increase the fee?"); questionString.append("
"); - CAmount oldFee = feeBump->getOldFee(); - CAmount newFee = feeBump->getNewFee(); questionString.append(""); questionString.append("
"); questionString.append(tr("Current fee:")); questionString.append(""); - questionString.append(BitcoinUnits::formatHtmlWithUnit(getOptionsModel()->getDisplayUnit(), oldFee)); + questionString.append(BitcoinUnits::formatHtmlWithUnit(getOptionsModel()->getDisplayUnit(), old_fee)); questionString.append("
"); questionString.append(tr("Increase:")); questionString.append(""); - questionString.append(BitcoinUnits::formatHtmlWithUnit(getOptionsModel()->getDisplayUnit(), newFee - oldFee)); + questionString.append(BitcoinUnits::formatHtmlWithUnit(getOptionsModel()->getDisplayUnit(), new_fee - old_fee)); questionString.append("
"); questionString.append(tr("New fee:")); questionString.append(""); - questionString.append(BitcoinUnits::formatHtmlWithUnit(getOptionsModel()->getDisplayUnit(), newFee)); + questionString.append(BitcoinUnits::formatHtmlWithUnit(getOptionsModel()->getDisplayUnit(), new_fee)); questionString.append("
"); SendConfirmationDialog confirmationDialog(tr("Confirm fee bump"), questionString); confirmationDialog.exec(); @@ -715,23 +709,15 @@ bool WalletModel::bumpFee(uint256 hash) } // sign bumped transaction - bool res = false; - { - LOCK2(cs_main, wallet->cs_wallet); - res = feeBump->signTransaction(wallet); - } - if (!res) { + if (!feebumper::SignTransaction(wallet, mtx)) { QMessageBox::critical(0, tr("Fee bump error"), tr("Can't sign transaction.")); return false; } // commit the bumped transaction - { - LOCK2(cs_main, wallet->cs_wallet); - res = feeBump->commit(wallet); - } - if(!res) { + uint256 txid; + if (feebumper::CommitTransaction(wallet, hash, std::move(mtx), errors, txid) != feebumper::Result::OK) { QMessageBox::critical(0, tr("Fee bump error"), tr("Could not commit transaction") + "
(" + - QString::fromStdString(feeBump->getErrors()[0])+")"); + QString::fromStdString(errors[0])+")"); return false; } return true; diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp index 8b7c50b4e..aaddd47de 100644 --- a/src/wallet/feebumper.cpp +++ b/src/wallet/feebumper.cpp @@ -23,7 +23,7 @@ // 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 // be IsAllFromMe). -int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *pWallet) +static int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *wallet) { CMutableTransaction txNew(tx); std::vector 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 // wallet, with a valid index into the vout array. for (auto& input : tx.vin) { - const auto mi = pWallet->mapWallet.find(input.prevout.hash); - assert(mi != pWallet->mapWallet.end() && input.prevout.n < mi->second.tx->vout.size()); + const auto mi = wallet->mapWallet.find(input.prevout.hash); + assert(mi != wallet->mapWallet.end() && input.prevout.n < mi->second.tx->vout.size()); 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) // implies that we can sign for every input. return -1; @@ -43,103 +43,102 @@ int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *pWal return GetVirtualTransactionSize(txNew); } -bool CFeeBumper::preconditionChecks(const CWallet *pWallet, const CWalletTx& wtx) { - if (pWallet->HasWalletSpend(wtx.GetHash())) { - vErrors.push_back("Transaction has descendants in the wallet"); - currentResult = BumpFeeResult::INVALID_PARAMETER; - return false; +//! Check whether transaction has descendant in wallet or mempool, or has been +//! mined, or conflicts with a mined transaction. Return a feebumper::Result. +static feebumper::Result PreconditionChecks(const CWallet* wallet, const CWalletTx& wtx, std::vector& errors) +{ + if (wallet->HasWalletSpend(wtx.GetHash())) { + errors.push_back("Transaction has descendants in the wallet"); + return feebumper::Result::INVALID_PARAMETER; } { LOCK(mempool.cs); auto it_mp = mempool.mapTx.find(wtx.GetHash()); if (it_mp != mempool.mapTx.end() && it_mp->GetCountWithDescendants() > 1) { - vErrors.push_back("Transaction has descendants in the mempool"); - currentResult = BumpFeeResult::INVALID_PARAMETER; - return false; + errors.push_back("Transaction has descendants in the mempool"); + return feebumper::Result::INVALID_PARAMETER; } } if (wtx.GetDepthInMainChain() != 0) { - vErrors.push_back("Transaction has been mined, or is conflicted with a mined transaction"); - currentResult = BumpFeeResult::WALLET_ERROR; - return false; + errors.push_back("Transaction has been mined, or is conflicted with a mined transaction"); + return feebumper::Result::WALLET_ERROR; } - return true; + return feebumper::Result::OK; } -CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoinControl& coin_control, CAmount totalFee) - : - txid(std::move(txidIn)), - nOldFee(0), - nNewFee(0) +namespace feebumper { + +bool TransactionCanBeBumped(CWallet* wallet, const uint256& txid) { - vErrors.clear(); - bumpedTxid.SetNull(); - AssertLockHeld(pWallet->cs_wallet); - auto it = pWallet->mapWallet.find(txid); - if (it == pWallet->mapWallet.end()) { - vErrors.push_back("Invalid or non-wallet transaction id"); - currentResult = BumpFeeResult::INVALID_ADDRESS_OR_KEY; - return; + LOCK2(cs_main, wallet->cs_wallet); + const CWalletTx* wtx = wallet->GetWalletTx(txid); + return wtx && SignalsOptInRBF(*wtx->tx) && !wtx->mapValue.count("replaced_by_txid"); +} + +Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoinControl& coin_control, CAmount total_fee, std::vector& errors, + CAmount& old_fee, CAmount& new_fee, CMutableTransaction& mtx) +{ + LOCK2(cs_main, wallet->cs_wallet); + errors.clear(); + auto it = wallet->mapWallet.find(txid); + if (it == wallet->mapWallet.end()) { + errors.push_back("Invalid or non-wallet transaction id"); + return Result::INVALID_ADDRESS_OR_KEY; } const CWalletTx& wtx = it->second; - if (!preconditionChecks(pWallet, wtx)) { - return; + Result result = PreconditionChecks(wallet, wtx, errors); + if (result != Result::OK) { + return result; } if (!SignalsOptInRBF(*wtx.tx)) { - vErrors.push_back("Transaction is not BIP 125 replaceable"); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + errors.push_back("Transaction is not BIP 125 replaceable"); + return Result::WALLET_ERROR; } 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"))); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + errors.push_back(strprintf("Cannot bump transaction %s which was already bumped by transaction %s", txid.ToString(), wtx.mapValue.at("replaced_by_txid"))); + return Result::WALLET_ERROR; } // 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 (!pWallet->IsAllFromMe(*wtx.tx, ISMINE_SPENDABLE)) { - vErrors.push_back("Transaction contains inputs that don't belong to this wallet"); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + if (!wallet->IsAllFromMe(*wtx.tx, ISMINE_SPENDABLE)) { + errors.push_back("Transaction contains inputs that don't belong to this wallet"); + return Result::WALLET_ERROR; } // figure out which output was change // if there was no change output or multiple change outputs, fail int nOutput = -1; 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) { - vErrors.push_back("Transaction has multiple change outputs"); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + errors.push_back("Transaction has multiple change outputs"); + return Result::WALLET_ERROR; } nOutput = i; } } if (nOutput == -1) { - vErrors.push_back("Transaction does not have a change output"); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + errors.push_back("Transaction does not have a change output"); + return Result::WALLET_ERROR; } // Calculate the expected size of the new transaction. 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) { - vErrors.push_back("Transaction contains inputs that cannot be signed"); - currentResult = BumpFeeResult::INVALID_ADDRESS_OR_KEY; - return; + errors.push_back("Transaction contains inputs that cannot be signed"); + return Result::INVALID_ADDRESS_OR_KEY; } // calculate the old fee and fee-rate - nOldFee = wtx.GetDebit(ISMINE_SPENDABLE) - wtx.tx->GetValueOut(); - CFeeRate nOldFeeRate(nOldFee, txSize); + old_fee = wtx.GetDebit(ISMINE_SPENDABLE) - wtx.tx->GetValueOut(); + CFeeRate nOldFeeRate(old_fee, txSize); CFeeRate nNewFeeRate; // The wallet uses a conservative WALLET_INCREMENTAL_RELAY_FEE value to // future proof against changes to network wide policy for incremental relay @@ -149,26 +148,24 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin walletIncrementalRelayFee = ::incrementalRelayFee; } - if (totalFee > 0) { + if (total_fee > 0) { CAmount minTotalFee = nOldFeeRate.GetFee(maxNewTxSize) + ::incrementalRelayFee.GetFee(maxNewTxSize); - if (totalFee < minTotalFee) { - vErrors.push_back(strprintf("Insufficient totalFee, must be at least %s (oldFee %s + incrementalFee %s)", + if (total_fee < minTotalFee) { + 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)))); - currentResult = BumpFeeResult::INVALID_PARAMETER; - return; + return Result::INVALID_PARAMETER; } CAmount requiredFee = GetRequiredFee(maxNewTxSize); - if (totalFee < requiredFee) { - vErrors.push_back(strprintf("Insufficient totalFee (cannot be less than required fee %s)", + if (total_fee < requiredFee) { + errors.push_back(strprintf("Insufficient totalFee (cannot be less than required fee %s)", FormatMoney(requiredFee))); - currentResult = BumpFeeResult::INVALID_PARAMETER; - return; + return Result::INVALID_PARAMETER; } - nNewFee = totalFee; - nNewFeeRate = CFeeRate(totalFee, maxNewTxSize); + new_fee = total_fee; + nNewFeeRate = CFeeRate(total_fee, maxNewTxSize); } else { - nNewFee = GetMinimumFee(maxNewTxSize, coin_control, mempool, ::feeEstimator, nullptr /* FeeCalculation */); - nNewFeeRate = CFeeRate(nNewFee, maxNewTxSize); + new_fee = GetMinimumFee(maxNewTxSize, coin_control, mempool, ::feeEstimator, nullptr /* FeeCalculation */); + nNewFeeRate = CFeeRate(new_fee, maxNewTxSize); // New fee rate must be at least old rate + minimum incremental relay rate // walletIncrementalRelayFee.GetFeePerK() should be exact, because it's initialized @@ -177,53 +174,50 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin // add 1 satoshi to the result, because it may have been rounded down. if (nNewFeeRate.GetFeePerK() < 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 - if (nNewFee > maxTxFee) { - vErrors.push_back(strprintf("Specified or calculated fee %s is too high (cannot be higher than maxTxFee %s)", - FormatMoney(nNewFee), FormatMoney(maxTxFee))); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + if (new_fee > maxTxFee) { + errors.push_back(strprintf("Specified or calculated fee %s is too high (cannot be higher than maxTxFee %s)", + FormatMoney(new_fee), FormatMoney(maxTxFee))); + return Result::WALLET_ERROR; } // check that fee rate is higher than mempool's minimum fee // (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, // 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); 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 -- " "the totalFee value should be at least %s or the settxfee value should be at least %s to add transaction", FormatMoney(nNewFeeRate.GetFeePerK()), FormatMoney(minMempoolFeeRate.GetFeePerK()), FormatMoney(minMempoolFeeRate.GetFee(maxNewTxSize)), FormatMoney(minMempoolFeeRate.GetFeePerK()))); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + return Result::WALLET_ERROR; } // Now modify the output to increase the fee. // 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); mtx = *wtx.tx; CTxOut* poutput = &(mtx.vout[nOutput]); if (poutput->nValue < nDelta) { - vErrors.push_back("Change output is too small to bump the fee"); - currentResult = BumpFeeResult::WALLET_ERROR; - return; + errors.push_back("Change output is too small to bump the fee"); + return Result::WALLET_ERROR; } // If the output would become dust, discard it (converting the dust to fee) poutput->nValue -= nDelta; if (poutput->nValue <= GetDustThreshold(*poutput, ::dustRelayFee)) { LogPrint(BCLog::RPC, "Bumping fee and discarding dust output\n"); - nNewFee += poutput->nValue; + new_fee += poutput->nValue; mtx.vout.erase(mtx.vout.begin() + nOutput); } @@ -234,36 +228,36 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, const CCoin } } - currentResult = BumpFeeResult::OK; + return Result::OK; } -bool CFeeBumper::signTransaction(CWallet *pWallet) -{ - return pWallet->SignTransaction(mtx); +bool SignTransaction(CWallet* wallet, CMutableTransaction& mtx) { + LOCK2(cs_main, wallet->cs_wallet); + return wallet->SignTransaction(mtx); } -bool CFeeBumper::commit(CWallet *pWallet) +Result CommitTransaction(CWallet* wallet, const uint256& txid, CMutableTransaction&& mtx, std::vector& errors, uint256& bumped_txid) { - AssertLockHeld(pWallet->cs_wallet); - if (!vErrors.empty() || currentResult != BumpFeeResult::OK) { - return false; + LOCK2(cs_main, wallet->cs_wallet); + if (!errors.empty()) { + return Result::MISC_ERROR; } - auto it = txid.IsNull() ? pWallet->mapWallet.end() : pWallet->mapWallet.find(txid); - if (it == pWallet->mapWallet.end()) { - vErrors.push_back("Invalid or non-wallet transaction id"); - currentResult = BumpFeeResult::MISC_ERROR; - return false; + auto it = txid.IsNull() ? wallet->mapWallet.end() : wallet->mapWallet.find(txid); + if (it == wallet->mapWallet.end()) { + errors.push_back("Invalid or non-wallet transaction id"); + return Result::MISC_ERROR; } CWalletTx& oldWtx = it->second; // make sure the transaction still has no descendants and hasn't been mined in the meantime - if (!preconditionChecks(pWallet, oldWtx)) { - return false; + Result result = PreconditionChecks(wallet, oldWtx, errors); + if (result != Result::OK) { + return result; } - CWalletTx wtxBumped(pWallet, MakeTransactionRef(std::move(mtx))); + CWalletTx wtxBumped(wallet, MakeTransactionRef(std::move(mtx))); // commit/broadcast the tx - CReserveKey reservekey(pWallet); + CReserveKey reservekey(wallet); wtxBumped.mapValue = oldWtx.mapValue; wtxBumped.mapValue["replaces_txid"] = oldWtx.GetHash().ToString(); wtxBumped.vOrderForm = oldWtx.vOrderForm; @@ -271,27 +265,29 @@ bool CFeeBumper::commit(CWallet *pWallet) wtxBumped.fTimeReceivedIsTxTime = true; wtxBumped.fFromMe = true; 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. - vErrors.push_back(strprintf("The transaction was rejected: %s", state.GetRejectReason())); - return false; + errors.push_back(strprintf("The transaction was rejected: %s", state.GetRejectReason())); + return Result::WALLET_ERROR; } - bumpedTxid = wtxBumped.GetHash(); + bumped_txid = wtxBumped.GetHash(); if (state.IsInvalid()) { // This can happen if the mempool rejected the transaction. Report // what happened in the "errors" response. - vErrors.push_back(strprintf("The transaction was rejected: %s", FormatStateMessage(state))); + errors.push_back(strprintf("Error: The transaction was rejected: %s", FormatStateMessage(state))); } // 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 // along with an exception. It would be good to return information about // wtxBumped to the caller even if marking the original transaction // 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 Result::OK; } +} // namespace feebumper + diff --git a/src/wallet/feebumper.h b/src/wallet/feebumper.h index 3d64e53c1..8eec30440 100644 --- a/src/wallet/feebumper.h +++ b/src/wallet/feebumper.h @@ -13,7 +13,9 @@ class uint256; class CCoinControl; enum class FeeEstimateMode; -enum class BumpFeeResult +namespace feebumper { + +enum class Result { OK, INVALID_ADDRESS_OR_KEY, @@ -23,39 +25,34 @@ enum class BumpFeeResult MISC_ERROR, }; -class CFeeBumper -{ -public: - CFeeBumper(const CWallet *pWalletIn, const uint256 txidIn, const CCoinControl& coin_control, CAmount totalFee); - BumpFeeResult getResult() const { return currentResult; } - const std::vector& getErrors() const { return vErrors; } - CAmount getOldFee() const { return nOldFee; } - CAmount getNewFee() const { return nNewFee; } - uint256 getBumpedTxId() const { return bumpedTxid; } +//! Return whether transaction can be bumped. +bool TransactionCanBeBumped(CWallet* wallet, const uint256& txid); - /* signs the new transaction, - * returns false if the tx couldn't be found or if it was - * impossible to create the signature(s) - */ - bool signTransaction(CWallet *pWallet); +//! Create bumpfee transaction. +Result CreateTransaction(const CWallet* wallet, + const uint256& txid, + const CCoinControl& coin_control, + CAmount total_fee, + std::vector& errors, + CAmount& old_fee, + CAmount& new_fee, + CMutableTransaction& mtx); - /* commits the fee bump, - * 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) - * or if the old transaction could not be marked as replaced - */ - bool commit(CWallet *pWalletNonConst); +//! Sign the new transaction, +//! @return false if the tx couldn't be found or if it was +//! impossible to create the signature(s) +bool SignTransaction(CWallet* wallet, CMutableTransaction& mtx); -private: - bool preconditionChecks(const CWallet *pWallet, const CWalletTx& wtx); +//! Commit the bumpfee transaction. +//! @return success in case of CWallet::CommitTransaction was successful, +//! but 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. +Result CommitTransaction(CWallet* wallet, + const uint256& txid, + CMutableTransaction&& mtx, + std::vector& errors, + uint256& bumped_txid); - const uint256 txid; - uint256 bumpedTxid; - CMutableTransaction mtx; - std::vector vErrors; - BumpFeeResult currentResult; - CAmount nOldFee; - CAmount nNewFee; -}; +} // namespace feebumper #endif // BITCOIN_WALLET_FEEBUMPER_H diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index cba0538e7..b081803be 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -3224,45 +3224,50 @@ UniValue bumpfee(const JSONRPCRequest& request) LOCK2(cs_main, pwallet->cs_wallet); EnsureWalletIsUnlocked(pwallet); - CFeeBumper feeBump(pwallet, hash, coin_control, totalFee); - BumpFeeResult res = feeBump.getResult(); - if (res != BumpFeeResult::OK) - { + + std::vector errors; + CAmount old_fee; + CAmount new_fee; + CMutableTransaction mtx; + feebumper::Result res = feebumper::CreateTransaction(pwallet, hash, coin_control, totalFee, errors, old_fee, new_fee, mtx); + if (res != feebumper::Result::OK) { switch(res) { - case BumpFeeResult::INVALID_ADDRESS_OR_KEY: - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, feeBump.getErrors()[0]); + case feebumper::Result::INVALID_ADDRESS_OR_KEY: + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, errors[0]); break; - case BumpFeeResult::INVALID_REQUEST: - throw JSONRPCError(RPC_INVALID_REQUEST, feeBump.getErrors()[0]); + case feebumper::Result::INVALID_REQUEST: + throw JSONRPCError(RPC_INVALID_REQUEST, errors[0]); break; - case BumpFeeResult::INVALID_PARAMETER: - throw JSONRPCError(RPC_INVALID_PARAMETER, feeBump.getErrors()[0]); + case feebumper::Result::INVALID_PARAMETER: + throw JSONRPCError(RPC_INVALID_PARAMETER, errors[0]); break; - case BumpFeeResult::WALLET_ERROR: - throw JSONRPCError(RPC_WALLET_ERROR, feeBump.getErrors()[0]); + case feebumper::Result::WALLET_ERROR: + throw JSONRPCError(RPC_WALLET_ERROR, errors[0]); break; default: - throw JSONRPCError(RPC_MISC_ERROR, feeBump.getErrors()[0]); + throw JSONRPCError(RPC_MISC_ERROR, errors[0]); break; } } // sign bumped transaction - if (!feeBump.signTransaction(pwallet)) { + if (!feebumper::SignTransaction(pwallet, mtx)) { throw JSONRPCError(RPC_WALLET_ERROR, "Can't sign transaction."); } // commit the bumped transaction - if(!feeBump.commit(pwallet)) { - throw JSONRPCError(RPC_WALLET_ERROR, feeBump.getErrors()[0]); + uint256 txid; + if (feebumper::CommitTransaction(pwallet, hash, std::move(mtx), errors, txid) != feebumper::Result::OK) { + throw JSONRPCError(RPC_WALLET_ERROR, errors[0]); } UniValue result(UniValue::VOBJ); - result.push_back(Pair("txid", feeBump.getBumpedTxId().GetHex())); - result.push_back(Pair("origfee", ValueFromAmount(feeBump.getOldFee()))); - result.push_back(Pair("fee", ValueFromAmount(feeBump.getNewFee()))); - UniValue errors(UniValue::VARR); - for (const std::string& err: feeBump.getErrors()) - errors.push_back(err); - result.push_back(Pair("errors", errors)); + result.push_back(Pair("txid", txid.GetHex())); + result.push_back(Pair("origfee", ValueFromAmount(old_fee))); + result.push_back(Pair("fee", ValueFromAmount(new_fee))); + UniValue result_errors(UniValue::VARR); + for (const std::string& error : errors) { + result_errors.push_back(error); + } + result.push_back(Pair("errors", result_errors)); return result; }