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1 : : // Copyright (c) 2017-present The Bitcoin Core developers
2 : : // Distributed under the MIT software license, see the accompanying
3 : : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 : :
5 : : #include <wallet/feebumper.h>
6 : :
7 : : #include <coins.h>
8 : : #include <common/system.h>
9 : : #include <consensus/validation.h>
10 : : #include <interfaces/chain.h>
11 : : #include <policy/policy.h>
12 : : #include <util/moneystr.h>
13 : : #include <util/rbf.h>
14 : : #include <util/translation.h>
15 : : #include <wallet/coincontrol.h>
16 : : #include <wallet/fees.h>
17 : : #include <wallet/receive.h>
18 : : #include <wallet/spend.h>
19 : : #include <wallet/wallet.h>
20 : :
21 : : namespace wallet {
22 : : //! Check whether transaction has descendant in wallet or mempool, or has been
23 : : //! mined, or conflicts with a mined transaction. Return a feebumper::Result.
24 : 0 : static feebumper::Result PreconditionChecks(const CWallet& wallet, const CWalletTx& wtx, bool require_mine, std::vector<bilingual_str>& errors) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
25 : : {
26 [ # # # # : 0 : if (wallet.HasWalletSpend(wtx.GetTx())) {
# # ]
27 [ # # # # ]: 0 : errors.emplace_back(Untranslated("Transaction has descendants in the wallet"));
28 : 0 : return feebumper::Result::INVALID_PARAMETER;
29 : : }
30 : :
31 : 0 : {
32 [ # # ]: 0 : if (wallet.chain().hasDescendantsInMempool(wtx.GetHash())) {
33 [ # # # # ]: 0 : errors.emplace_back(Untranslated("Transaction has descendants in the mempool"));
34 : 0 : return feebumper::Result::INVALID_PARAMETER;
35 : : }
36 : : }
37 : :
38 [ # # ]: 0 : if (wallet.GetTxDepthInMainChain(wtx) != 0) {
39 [ # # # # ]: 0 : errors.emplace_back(Untranslated("Transaction has been mined, or is conflicted with a mined transaction"));
40 : 0 : return feebumper::Result::WALLET_ERROR;
41 : : }
42 : :
43 [ # # ]: 0 : if (wtx.m_replaced_by_txid) {
44 [ # # # # : 0 : errors.push_back(Untranslated(strprintf("Cannot bump transaction %s which was already bumped by transaction %s", wtx.GetHash().ToString(), wtx.m_replaced_by_txid->ToString())));
# # # # ]
45 : 0 : return feebumper::Result::WALLET_ERROR;
46 : : }
47 : :
48 [ # # ]: 0 : if (require_mine) {
49 : : // check that original tx consists entirely of our inputs
50 : : // 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)
51 [ # # # # : 0 : if (!AllInputsMine(wallet, *wtx.GetTx())) {
# # ]
52 [ # # # # ]: 0 : errors.emplace_back(Untranslated("Transaction contains inputs that don't belong to this wallet"));
53 : 0 : return feebumper::Result::WALLET_ERROR;
54 : : }
55 : : }
56 : :
57 : : return feebumper::Result::OK;
58 : : }
59 : :
60 : : //! Check if the user provided a valid feeRate
61 : 0 : static feebumper::Result CheckFeeRate(const CWallet& wallet, const CMutableTransaction& mtx, const CFeeRate& newFeerate, const int64_t maxTxSize, CAmount old_fee, std::vector<bilingual_str>& errors)
62 : : {
63 : : // check that fee rate is higher than mempool's minimum fee
64 : : // (no point in bumping fee if we know that the new tx won't be accepted to the mempool)
65 : : // This may occur if fallbackfee is too low, or, perhaps,
66 : : // in a rare situation where the mempool minimum fee increased significantly since the fee estimation just a
67 : : // moment earlier. In this case, we report an error to the user, who may adjust the fee.
68 : 0 : CFeeRate minMempoolFeeRate = wallet.chain().mempoolMinFee();
69 : :
70 [ # # ]: 0 : if (newFeerate.GetFeePerK() < minMempoolFeeRate.GetFeePerK()) {
71 [ # # ]: 0 : errors.push_back(Untranslated(
72 [ # # ]: 0 : strprintf("New fee rate (%s) is lower than the minimum fee rate (%s) to get into the mempool -- ",
73 [ # # ]: 0 : FormatMoney(newFeerate.GetFeePerK()),
74 [ # # ]: 0 : FormatMoney(minMempoolFeeRate.GetFeePerK()))));
75 : 0 : return feebumper::Result::WALLET_ERROR;
76 : : }
77 : :
78 : 0 : std::vector<COutPoint> reused_inputs;
79 [ # # # # ]: 0 : reused_inputs.reserve(mtx.vin.size());
80 [ # # ]: 0 : for (const CTxIn& txin : mtx.vin) {
81 [ # # ]: 0 : reused_inputs.push_back(txin.prevout);
82 : : }
83 : :
84 [ # # ]: 0 : const std::optional<CAmount> combined_bump_fee = wallet.chain().calculateCombinedBumpFee(reused_inputs, newFeerate);
85 [ # # ]: 0 : if (!combined_bump_fee.has_value()) {
86 [ # # # # ]: 0 : errors.push_back(Untranslated(strprintf("Failed to calculate bump fees, because unconfirmed UTXOs depend on an enormous cluster of unconfirmed transactions.")));
87 : 0 : return feebumper::Result::WALLET_ERROR;
88 : : }
89 [ # # ]: 0 : CAmount new_total_fee = newFeerate.GetFee(maxTxSize) + combined_bump_fee.value();
90 : :
91 [ # # ]: 0 : CFeeRate incrementalRelayFee = wallet.chain().relayIncrementalFee();
92 : :
93 : : // Min total fee is old fee + relay fee
94 [ # # ]: 0 : CAmount minTotalFee = old_fee + incrementalRelayFee.GetFee(maxTxSize);
95 : :
96 [ # # ]: 0 : if (new_total_fee < minTotalFee) {
97 [ # # # # ]: 0 : errors.push_back(Untranslated(strprintf("Insufficient total fee %s, must be at least %s (oldFee %s + incrementalFee %s)",
98 [ # # # # : 0 : FormatMoney(new_total_fee), FormatMoney(minTotalFee), FormatMoney(old_fee), FormatMoney(incrementalRelayFee.GetFee(maxTxSize)))));
# # # # #
# ]
99 : 0 : return feebumper::Result::INVALID_PARAMETER;
100 : : }
101 : :
102 [ # # ]: 0 : CAmount requiredFee = GetRequiredFee(wallet, maxTxSize);
103 [ # # ]: 0 : if (new_total_fee < requiredFee) {
104 [ # # # # ]: 0 : errors.push_back(Untranslated(strprintf("Insufficient total fee (cannot be less than required fee %s)",
105 [ # # ]: 0 : FormatMoney(requiredFee))));
106 : 0 : return feebumper::Result::INVALID_PARAMETER;
107 : : }
108 : :
109 [ # # ]: 0 : const CFeeRate new_feerate{new_total_fee, static_cast<int32_t>(maxTxSize)};
110 [ # # ]: 0 : if (new_feerate > wallet.m_max_tx_fee_rate) {
111 [ # # # # ]: 0 : errors.push_back(Untranslated(strprintf("New fee rate %s %s/kvB is too high (cannot be higher than -maxfeerate %s %s/kvB)",
112 [ # # # # ]: 0 : FormatMoney(new_feerate.GetFeePerK()), CURRENCY_UNIT, FormatMoney(wallet.m_max_tx_fee_rate.GetFeePerK()), CURRENCY_UNIT)));
113 : 0 : return feebumper::Result::WALLET_ERROR;
114 : : }
115 : :
116 : : // Check that in all cases the new fee doesn't violate maxTxFee
117 : 0 : const CAmount max_tx_fee = wallet.m_max_tx_fee;
118 [ # # ]: 0 : if (new_total_fee > max_tx_fee) {
119 [ # # # # ]: 0 : errors.push_back(Untranslated(strprintf("Specified or calculated fee %s is too high (cannot be higher than -maxtxfee %s)",
120 [ # # # # ]: 0 : FormatMoney(new_total_fee), FormatMoney(max_tx_fee))));
121 : 0 : return feebumper::Result::WALLET_ERROR;
122 : : }
123 : :
124 : : return feebumper::Result::OK;
125 : 0 : }
126 : :
127 : 0 : static CFeeRate EstimateFeeRate(const CWallet& wallet, const CWalletTx& wtx, const CAmount old_fee, const CCoinControl& coin_control)
128 : : {
129 : : // Get the fee rate of the original transaction. This is calculated from
130 : : // the tx fee/vsize, so it may have been rounded down. Add 1 satoshi to the
131 : : // result.
132 [ # # # # ]: 0 : int64_t txSize = GetVirtualTransactionSize(*(wtx.GetTx()));
133 : 0 : CFeeRate feerate(old_fee, txSize);
134 : 0 : feerate += CFeeRate(1);
135 : :
136 : : // The node has a configurable incremental relay fee. Increment the fee by
137 : : // the minimum of that and the wallet's conservative
138 : : // WALLET_INCREMENTAL_RELAY_FEE value to future proof against changes to
139 : : // network wide policy for incremental relay fee that our node may not be
140 : : // aware of. This ensures we're over the required relay fee rate
141 : : // (Rule 4). The replacement tx will be at least as large as the
142 : : // original tx, so the total fee will be greater (Rule 3)
143 : 0 : CFeeRate node_incremental_relay_fee = wallet.chain().relayIncrementalFee();
144 : 0 : CFeeRate wallet_incremental_relay_fee = CFeeRate(WALLET_INCREMENTAL_RELAY_FEE);
145 : 0 : feerate += std::max(node_incremental_relay_fee, wallet_incremental_relay_fee);
146 : :
147 : : // Fee rate must also be at least the wallet's GetMinimumFeeRate
148 : 0 : CFeeRate min_feerate(GetMinimumFeeRate(wallet, coin_control).fee_rate);
149 : :
150 : : // Set the required fee rate for the replacement transaction in coin control.
151 : 0 : return std::max(feerate, min_feerate);
152 : : }
153 : :
154 : : namespace feebumper {
155 : :
156 : 0 : bool TransactionCanBeBumped(const CWallet& wallet, const Txid& txid)
157 : : {
158 : 0 : LOCK(wallet.cs_wallet);
159 [ # # ]: 0 : const CWalletTx* wtx = wallet.GetWalletTx(txid);
160 [ # # ]: 0 : if (wtx == nullptr) return false;
161 : :
162 : 0 : std::vector<bilingual_str> errors_dummy;
163 [ # # ]: 0 : feebumper::Result res = PreconditionChecks(wallet, *wtx, /* require_mine=*/ true, errors_dummy);
164 : 0 : return res == feebumper::Result::OK;
165 : 0 : }
166 : :
167 : 0 : Result CreateRateBumpTransaction(CWallet& wallet, const Txid& txid, const CCoinControl& coin_control, std::vector<bilingual_str>& errors,
168 : : CAmount& old_fee, CAmount& new_fee, CMutableTransaction& mtx, bool require_mine, const std::vector<CTxOut>& outputs, std::optional<uint32_t> original_change_index)
169 : : {
170 : : // For now, cannot specify both new outputs to use and an output index to send change
171 [ # # # # ]: 0 : if (!outputs.empty() && original_change_index.has_value()) {
172 [ # # # # ]: 0 : errors.emplace_back(Untranslated("The options 'outputs' and 'original_change_index' are incompatible. You can only either specify a new set of outputs, or designate a change output to be recycled."));
173 : 0 : return Result::INVALID_PARAMETER;
174 : : }
175 : :
176 : : // We are going to modify coin control later, copy to reuse
177 : 0 : CCoinControl new_coin_control(coin_control);
178 : :
179 [ # # ]: 0 : LOCK(wallet.cs_wallet);
180 : 0 : errors.clear();
181 : 0 : auto it = wallet.mapWallet.find(txid);
182 [ # # ]: 0 : if (it == wallet.mapWallet.end()) {
183 [ # # # # : 0 : errors.emplace_back(Untranslated("Invalid or non-wallet transaction id"));
# # ]
184 : 0 : return Result::INVALID_ADDRESS_OR_KEY;
185 : : }
186 [ # # ]: 0 : const CWalletTx& wtx = it->second;
187 [ # # ]: 0 : const CTransactionRef& tx = wtx.GetTx();
188 : :
189 : : // Make sure that original_change_index is valid
190 [ # # # # : 0 : if (original_change_index.has_value() && original_change_index.value() >= tx->vout.size()) {
# # ]
191 [ # # # # : 0 : errors.emplace_back(Untranslated("Change position is out of range"));
# # ]
192 : 0 : return Result::INVALID_PARAMETER;
193 : : }
194 : :
195 : : // Retrieve all of the UTXOs and add them to coin control
196 : : // While we're here, calculate the input amount
197 : 0 : std::map<COutPoint, Coin> coins;
198 : 0 : CAmount input_value = 0;
199 : 0 : std::vector<CTxOut> spent_outputs;
200 [ # # ]: 0 : for (const CTxIn& txin : tx->vin) {
201 [ # # ]: 0 : coins[txin.prevout]; // Create empty map entry keyed by prevout.
202 : : }
203 [ # # ]: 0 : wallet.chain().findCoins(coins);
204 [ # # ]: 0 : for (const CTxIn& txin : tx->vin) {
205 [ # # ]: 0 : const Coin& coin = coins.at(txin.prevout);
206 [ # # ]: 0 : if (coin.out.IsNull()) {
207 [ # # # # : 0 : errors.emplace_back(Untranslated(strprintf("%s:%u is already spent", txin.prevout.hash.GetHex(), txin.prevout.n)));
# # # # ]
208 : 0 : return Result::MISC_ERROR;
209 : : }
210 [ # # ]: 0 : PreselectedInput& preset_txin = new_coin_control.Select(txin.prevout);
211 [ # # # # ]: 0 : if (!wallet.IsMine(txin.prevout)) {
212 [ # # ]: 0 : preset_txin.SetTxOut(coin.out);
213 : : }
214 : 0 : input_value += coin.out.nValue;
215 [ # # ]: 0 : spent_outputs.push_back(coin.out);
216 : : }
217 : :
218 : : // Figure out if we need to compute the input weight, and do so if necessary
219 : 0 : PrecomputedTransactionData txdata;
220 [ # # ]: 0 : txdata.Init(*tx, std::move(spent_outputs), /* force=*/ true);
221 [ # # # # ]: 0 : for (unsigned int i = 0; i < tx->vin.size(); ++i) {
222 [ # # ]: 0 : const CTxIn& txin = tx->vin.at(i);
223 [ # # ]: 0 : const Coin& coin = coins.at(txin.prevout);
224 : :
225 [ # # # # ]: 0 : if (new_coin_control.IsExternalSelected(txin.prevout)) {
226 : : // For external inputs, we estimate the size using the size of this input
227 : 0 : int64_t input_weight = GetTransactionInputWeight(txin);
228 : : // Because signatures can have different sizes, we need to figure out all of the
229 : : // signature sizes and replace them with the max sized signature.
230 : : // In order to do this, we verify the script with a special SignatureChecker which
231 : : // will observe the signatures verified and record their sizes.
232 : 0 : SignatureWeights weights;
233 [ # # ]: 0 : TransactionSignatureChecker tx_checker(tx.get(), i, coin.out.nValue, txdata, MissingDataBehavior::FAIL);
234 [ # # ]: 0 : SignatureWeightChecker size_checker(weights, tx_checker);
235 [ # # ]: 0 : VerifyScript(txin.scriptSig, coin.out.scriptPubKey, &txin.scriptWitness, STANDARD_SCRIPT_VERIFY_FLAGS, size_checker);
236 : : // Add the difference between max and current to input_weight so that it represents the largest the input could be
237 [ # # ]: 0 : input_weight += weights.GetWeightDiffToMax();
238 [ # # ]: 0 : new_coin_control.SetInputWeight(txin.prevout, input_weight);
239 : 0 : }
240 : : }
241 : :
242 [ # # ]: 0 : Result result = PreconditionChecks(wallet, wtx, require_mine, errors);
243 [ # # ]: 0 : if (result != Result::OK) {
244 : : return result;
245 : : }
246 : :
247 : : // Calculate the old output amount.
248 : 0 : CAmount output_value = 0;
249 [ # # ]: 0 : for (const auto& old_output : tx->vout) {
250 : 0 : output_value += old_output.nValue;
251 : : }
252 : :
253 : 0 : old_fee = input_value - output_value;
254 : :
255 : : // Fill in recipients (and preserve a single change key if there
256 : : // is one). If outputs vector is non-empty, replace original
257 : : // outputs with its contents, otherwise use original outputs.
258 : 0 : std::vector<CRecipient> recipients;
259 : 0 : CAmount new_outputs_value = 0;
260 [ # # ]: 0 : const auto& txouts = outputs.empty() ? tx->vout : outputs;
261 [ # # # # ]: 0 : for (size_t i = 0; i < txouts.size(); ++i) {
262 [ # # ]: 0 : const CTxOut& output = txouts.at(i);
263 : 0 : CTxDestination dest;
264 [ # # ]: 0 : ExtractDestination(output.scriptPubKey, dest);
265 [ # # # # : 0 : if (original_change_index.has_value() ? original_change_index.value() == i : OutputIsChange(wallet, output)) {
# # ]
266 [ # # ]: 0 : new_coin_control.destChange = dest;
267 : : } else {
268 [ # # ]: 0 : CRecipient recipient = {dest, output.nValue, false};
269 [ # # ]: 0 : recipients.push_back(recipient);
270 : 0 : }
271 : 0 : new_outputs_value += output.nValue;
272 : 0 : }
273 : :
274 : : // If no recipients, means that we are sending coins to a change address
275 [ # # ]: 0 : if (recipients.empty()) {
276 : : // Just as a sanity check, ensure that the change address exist
277 [ # # ]: 0 : if (std::get_if<CNoDestination>(&new_coin_control.destChange)) {
278 [ # # # # : 0 : errors.emplace_back(Untranslated("Unable to create transaction. Transaction must have at least one recipient"));
# # ]
279 : 0 : return Result::INVALID_PARAMETER;
280 : : }
281 : :
282 : : // Add change as recipient with SFFO flag enabled, so fees are deduced from it.
283 : : // If the output differs from the original tx output (because the user customized it) a new change output will be created.
284 [ # # # # ]: 0 : recipients.emplace_back(CRecipient{new_coin_control.destChange, new_outputs_value, /*fSubtractFeeFromAmount=*/true});
285 : 0 : new_coin_control.destChange = CNoDestination();
286 : : }
287 : :
288 [ # # ]: 0 : if (coin_control.m_feerate) {
289 : : // The user provided a feeRate argument.
290 : : // We calculate this here to avoid compiler warning on the cs_wallet lock
291 : : // We need to make a temporary transaction with no input witnesses as the dummy signer expects them to be empty for external inputs
292 [ # # ]: 0 : CMutableTransaction temp_mtx{*tx};
293 [ # # ]: 0 : for (auto& txin : temp_mtx.vin) {
294 : 0 : txin.scriptSig.clear();
295 : 0 : txin.scriptWitness.SetNull();
296 : : }
297 [ # # ]: 0 : temp_mtx.vout = txouts;
298 [ # # # # ]: 0 : const int64_t maxTxSize{CalculateMaximumSignedTxSize(CTransaction(temp_mtx), &wallet, &new_coin_control).vsize};
299 [ # # ]: 0 : Result res = CheckFeeRate(wallet, temp_mtx, *new_coin_control.m_feerate, maxTxSize, old_fee, errors);
300 [ # # ]: 0 : if (res != Result::OK) {
301 : 0 : return res;
302 : : }
303 : 0 : } else {
304 : : // The user did not provide a feeRate argument
305 [ # # ]: 0 : new_coin_control.m_feerate = EstimateFeeRate(wallet, wtx, old_fee, new_coin_control);
306 : : }
307 : :
308 : : // Fill in required inputs we are double-spending(all of them)
309 : : // N.B.: bip125 doesn't require all the inputs in the replaced transaction to be
310 : : // used in the replacement transaction, but it's very important for wallets to make
311 : : // sure that happens. If not, it would be possible to bump a transaction A twice to
312 : : // A2 and A3 where A2 and A3 don't conflict (or alternatively bump A to A2 and A2
313 : : // to A3 where A and A3 don't conflict). If both later get confirmed then the sender
314 : : // has accidentally double paid.
315 [ # # ]: 0 : for (const auto& inputs : tx->vin) {
316 [ # # ]: 0 : new_coin_control.Select(COutPoint(inputs.prevout));
317 : : }
318 : 0 : new_coin_control.m_allow_other_inputs = true;
319 : :
320 : : // We cannot source new unconfirmed inputs(bip125 rule 2)
321 : 0 : new_coin_control.m_min_depth = 1;
322 : :
323 [ # # ]: 0 : auto res = CreateTransaction(wallet, recipients, /*change_pos=*/std::nullopt, new_coin_control, false);
324 [ # # ]: 0 : if (!res) {
325 [ # # # # : 0 : errors.emplace_back(Untranslated("Unable to create transaction.") + Untranslated(" ") + util::ErrorString(res));
# # # # #
# # # #
# ]
326 : 0 : return Result::WALLET_ERROR;
327 : : }
328 : :
329 : 0 : const auto& txr = *res;
330 : : // Write back new fee if successful
331 : 0 : new_fee = txr.fee;
332 : :
333 : : // Write back transaction
334 [ # # ]: 0 : mtx = CMutableTransaction(*txr.tx);
335 : :
336 : 0 : return Result::OK;
337 : 0 : }
338 : :
339 : 0 : bool SignTransaction(CWallet& wallet, CMutableTransaction& mtx) {
340 : 0 : LOCK(wallet.cs_wallet);
341 : :
342 [ # # # # ]: 0 : if (wallet.IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
343 : : // Make a blank psbt
344 [ # # ]: 0 : PartiallySignedTransaction psbtx(mtx);
345 : :
346 : : // First fill transaction with our data without signing,
347 : : // so external signers are not asked to sign more than once.
348 : 0 : bool complete;
349 [ # # ]: 0 : wallet.FillPSBT(psbtx, {.sign = false, .bip32_derivs = true}, complete);
350 [ # # ]: 0 : auto err{wallet.FillPSBT(psbtx, {.sign = true, .bip32_derivs = false}, complete)};
351 [ # # ]: 0 : if (err) return false;
352 [ # # ]: 0 : complete = FinalizeAndExtractPSBT(psbtx, mtx);
353 : 0 : return complete;
354 : 0 : } else {
355 [ # # ]: 0 : return wallet.SignTransaction(mtx);
356 : : }
357 : 0 : }
358 : :
359 : 0 : Result CommitTransaction(CWallet& wallet, const Txid& txid, CMutableTransaction&& mtx, std::vector<bilingual_str>& errors, Txid& bumped_txid)
360 : : {
361 : 0 : LOCK(wallet.cs_wallet);
362 [ # # ]: 0 : if (!errors.empty()) {
363 : : return Result::MISC_ERROR;
364 : : }
365 [ # # ]: 0 : auto it = txid.IsNull() ? wallet.mapWallet.end() : wallet.mapWallet.find(txid);
366 [ # # ]: 0 : if (it == wallet.mapWallet.end()) {
367 [ # # # # : 0 : errors.emplace_back(Untranslated("Invalid or non-wallet transaction id"));
# # ]
368 : 0 : return Result::MISC_ERROR;
369 : : }
370 [ # # ]: 0 : const CWalletTx& oldWtx = it->second;
371 : :
372 : : // make sure the transaction still has no descendants and hasn't been mined in the meantime
373 [ # # ]: 0 : Result result = PreconditionChecks(wallet, oldWtx, /* require_mine=*/ false, errors);
374 [ # # ]: 0 : if (result != Result::OK) {
375 : : return result;
376 : : }
377 : :
378 : : // commit/broadcast the tx
379 [ # # ]: 0 : CTransactionRef tx = MakeTransactionRef(std::move(mtx));
380 [ # # # # : 0 : wallet.CommitTransaction(tx, oldWtx.GetHash(), oldWtx.m_comment, oldWtx.m_comment_to, oldWtx.m_messages, oldWtx.m_payment_requests);
# # # # #
# ]
381 : :
382 : : // mark the original tx as bumped
383 [ # # ]: 0 : bumped_txid = tx->GetHash();
384 [ # # # # : 0 : if (!wallet.MarkReplaced(oldWtx.GetHash(), bumped_txid)) {
# # ]
385 [ # # # # : 0 : errors.emplace_back(Untranslated("Created new bumpfee transaction but could not mark the original transaction as replaced"));
# # ]
386 : : }
387 [ # # ]: 0 : return Result::OK;
388 : 0 : }
389 : :
390 : : } // namespace feebumper
391 : : } // namespace wallet
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