Branch data Line data Source code
1 : : // Copyright (c) 2017-2022 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 <common/system.h>
6 : : #include <consensus/validation.h>
7 : : #include <interfaces/chain.h>
8 : : #include <policy/fees.h>
9 : : #include <policy/policy.h>
10 : : #include <util/moneystr.h>
11 : : #include <util/rbf.h>
12 : : #include <util/translation.h>
13 : : #include <wallet/coincontrol.h>
14 : : #include <wallet/feebumper.h>
15 : : #include <wallet/fees.h>
16 : : #include <wallet/receive.h>
17 : : #include <wallet/spend.h>
18 : : #include <wallet/wallet.h>
19 : :
20 : : namespace wallet {
21 : : //! Check whether transaction has descendant in wallet or mempool, or has been
22 : : //! mined, or conflicts with a mined transaction. Return a feebumper::Result.
23 : 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)
24 : : {
25 [ # # ]: 0 : if (wallet.HasWalletSpend(wtx.tx)) {
26 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Transaction has descendants in the wallet"));
[ # # ]
27 : 2 : return feebumper::Result::INVALID_PARAMETER;
28 : : }
29 : :
30 : : {
31 [ # # ]: 0 : if (wallet.chain().hasDescendantsInMempool(wtx.GetHash())) {
32 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Transaction has descendants in the mempool"));
[ # # ]
33 : 0 : return feebumper::Result::INVALID_PARAMETER;
34 : : }
35 : : }
36 : :
37 [ # # ]: 0 : if (wallet.GetTxDepthInMainChain(wtx) != 0) {
38 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Transaction has been mined, or is conflicted with a mined transaction"));
[ # # ]
39 : 0 : return feebumper::Result::WALLET_ERROR;
40 : : }
41 : :
42 [ # # ]: 0 : if (!SignalsOptInRBF(*wtx.tx)) {
43 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Transaction is not BIP 125 replaceable"));
[ # # ]
44 : 0 : return feebumper::Result::WALLET_ERROR;
45 : : }
46 : :
47 [ # # ][ # # ]: 0 : if (wtx.mapValue.count("replaced_by_txid")) {
[ # # ]
48 [ # # ][ # # ]: 0 : errors.push_back(strprintf(Untranslated("Cannot bump transaction %s which was already bumped by transaction %s"), wtx.GetHash().ToString(), wtx.mapValue.at("replaced_by_txid")));
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ][ # # ]
49 : 0 : return feebumper::Result::WALLET_ERROR;
50 : : }
51 : :
52 [ # # ]: 0 : if (require_mine) {
53 : : // check that original tx consists entirely of our inputs
54 : : // 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)
55 [ # # ]: 0 : isminefilter filter = wallet.GetLegacyScriptPubKeyMan() && wallet.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) ? ISMINE_WATCH_ONLY : ISMINE_SPENDABLE;
56 [ # # ]: 0 : if (!AllInputsMine(wallet, *wtx.tx, filter)) {
57 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Transaction contains inputs that don't belong to this wallet"));
[ # # ]
58 : 0 : return feebumper::Result::WALLET_ERROR;
59 : : }
60 : 0 : }
61 : :
62 : 0 : return feebumper::Result::OK;
63 : 0 : }
64 : :
65 : : //! Check if the user provided a valid feeRate
66 : 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)
67 : : {
68 : : // check that fee rate is higher than mempool's minimum fee
69 : : // (no point in bumping fee if we know that the new tx won't be accepted to the mempool)
70 : : // This may occur if the user set fee_rate or paytxfee too low, if fallbackfee is too low, or, perhaps,
71 : : // in a rare situation where the mempool minimum fee increased significantly since the fee estimation just a
72 : : // moment earlier. In this case, we report an error to the user, who may adjust the fee.
73 : 0 : CFeeRate minMempoolFeeRate = wallet.chain().mempoolMinFee();
74 : :
75 [ # # ]: 0 : if (newFeerate.GetFeePerK() < minMempoolFeeRate.GetFeePerK()) {
76 [ # # ][ # # ]: 0 : errors.push_back(strprintf(
77 [ # # ][ # # ]: 0 : Untranslated("New fee rate (%s) is lower than the minimum fee rate (%s) to get into the mempool -- "),
78 [ # # ][ # # ]: 0 : FormatMoney(newFeerate.GetFeePerK()),
79 [ # # ][ # # ]: 0 : FormatMoney(minMempoolFeeRate.GetFeePerK())));
80 : 0 : return feebumper::Result::WALLET_ERROR;
81 : : }
82 : :
83 : 0 : std::vector<COutPoint> reused_inputs;
84 [ # # ]: 0 : reused_inputs.reserve(mtx.vin.size());
85 [ # # ]: 0 : for (const CTxIn& txin : mtx.vin) {
86 [ # # ]: 0 : reused_inputs.push_back(txin.prevout);
87 : : }
88 : :
89 [ # # ]: 0 : std::optional<CAmount> combined_bump_fee = wallet.chain().calculateCombinedBumpFee(reused_inputs, newFeerate);
90 [ # # ]: 0 : if (!combined_bump_fee.has_value()) {
91 [ # # ][ # # ]: 0 : errors.push_back(strprintf(Untranslated("Failed to calculate bump fees, because unconfirmed UTXOs depend on enormous cluster of unconfirmed transactions.")));
[ # # ][ # # ]
92 : 0 : }
93 [ # # ][ # # ]: 0 : CAmount new_total_fee = newFeerate.GetFee(maxTxSize) + combined_bump_fee.value();
94 : :
95 [ # # ][ # # ]: 0 : CFeeRate incrementalRelayFee = std::max(wallet.chain().relayIncrementalFee(), CFeeRate(WALLET_INCREMENTAL_RELAY_FEE));
[ # # ]
96 : :
97 : : // Min total fee is old fee + relay fee
98 [ # # ]: 2 : CAmount minTotalFee = old_fee + incrementalRelayFee.GetFee(maxTxSize);
99 : :
100 [ # # ]: 0 : if (new_total_fee < minTotalFee) {
101 [ # # ][ # # ]: 0 : errors.push_back(strprintf(Untranslated("Insufficient total fee %s, must be at least %s (oldFee %s + incrementalFee %s)"),
[ # # ][ # # ]
102 [ # # ][ # # ]: 0 : FormatMoney(new_total_fee), FormatMoney(minTotalFee), FormatMoney(old_fee), FormatMoney(incrementalRelayFee.GetFee(maxTxSize))));
[ # # ][ # # ]
[ # # ]
103 : 0 : return feebumper::Result::INVALID_PARAMETER;
104 : : }
105 : :
106 [ # # ]: 2 : CAmount requiredFee = GetRequiredFee(wallet, maxTxSize);
107 [ # # ]: 0 : if (new_total_fee < requiredFee) {
108 [ # # ][ # # ]: 0 : errors.push_back(strprintf(Untranslated("Insufficient total fee (cannot be less than required fee %s)"),
[ # # ][ # # ]
109 [ # # ]: 0 : FormatMoney(requiredFee)));
110 : 0 : return feebumper::Result::INVALID_PARAMETER;
111 : : }
112 : :
113 : : // Check that in all cases the new fee doesn't violate maxTxFee
114 : 0 : const CAmount max_tx_fee = wallet.m_default_max_tx_fee;
115 [ # # ]: 0 : if (new_total_fee > max_tx_fee) {
116 [ # # ][ # # ]: 0 : errors.push_back(strprintf(Untranslated("Specified or calculated fee %s is too high (cannot be higher than -maxtxfee %s)"),
[ # # ][ # # ]
117 [ # # ][ # # ]: 0 : FormatMoney(new_total_fee), FormatMoney(max_tx_fee)));
118 : 0 : return feebumper::Result::WALLET_ERROR;
119 : : }
120 : :
121 : 0 : return feebumper::Result::OK;
122 : 0 : }
123 : :
124 : 0 : static CFeeRate EstimateFeeRate(const CWallet& wallet, const CWalletTx& wtx, const CAmount old_fee, const CCoinControl& coin_control)
125 : : {
126 : : // Get the fee rate of the original transaction. This is calculated from
127 : : // the tx fee/vsize, so it may have been rounded down. Add 1 satoshi to the
128 : : // result.
129 : 0 : int64_t txSize = GetVirtualTransactionSize(*(wtx.tx));
130 : 0 : CFeeRate feerate(old_fee, txSize);
131 : 0 : feerate += CFeeRate(1);
132 : :
133 : : // The node has a configurable incremental relay fee. Increment the fee by
134 : : // the minimum of that and the wallet's conservative
135 : : // WALLET_INCREMENTAL_RELAY_FEE value to future proof against changes to
136 : : // network wide policy for incremental relay fee that our node may not be
137 : : // aware of. This ensures we're over the required relay fee rate
138 : : // (Rule 4). The replacement tx will be at least as large as the
139 : : // original tx, so the total fee will be greater (Rule 3)
140 : 0 : CFeeRate node_incremental_relay_fee = wallet.chain().relayIncrementalFee();
141 : 0 : CFeeRate wallet_incremental_relay_fee = CFeeRate(WALLET_INCREMENTAL_RELAY_FEE);
142 : 0 : feerate += std::max(node_incremental_relay_fee, wallet_incremental_relay_fee);
143 : :
144 : : // Fee rate must also be at least the wallet's GetMinimumFeeRate
145 : 0 : CFeeRate min_feerate(GetMinimumFeeRate(wallet, coin_control, /*feeCalc=*/nullptr));
146 : :
147 : : // Set the required fee rate for the replacement transaction in coin control.
148 : 0 : return std::max(feerate, min_feerate);
149 : : }
150 : :
151 : : namespace feebumper {
152 : :
153 : 0 : bool TransactionCanBeBumped(const CWallet& wallet, const uint256& txid)
154 : : {
155 : 0 : LOCK(wallet.cs_wallet);
156 [ # # ]: 0 : const CWalletTx* wtx = wallet.GetWalletTx(txid);
157 [ # # ]: 0 : if (wtx == nullptr) return false;
158 : :
159 : 0 : std::vector<bilingual_str> errors_dummy;
160 [ # # ]: 0 : feebumper::Result res = PreconditionChecks(wallet, *wtx, /* require_mine=*/ true, errors_dummy);
161 : 0 : return res == feebumper::Result::OK;
162 : 0 : }
163 [ + - ]: 2 :
164 [ + - ]: 2 : Result CreateRateBumpTransaction(CWallet& wallet, const uint256& txid, const CCoinControl& coin_control, std::vector<bilingual_str>& errors,
165 [ + - ]: 2 : CAmount& old_fee, CAmount& new_fee, CMutableTransaction& mtx, bool require_mine, const std::vector<CTxOut>& outputs, std::optional<uint32_t> original_change_index)
166 [ + - ]: 2 : {
167 [ + - ]: 2 : // For now, cannot specify both new outputs to use and an output index to send change
168 [ + - ][ # # ]: 2 : if (!outputs.empty() && original_change_index.has_value()) {
[ # # ]
169 [ + - ][ # # ]: 2 : errors.push_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."));
[ # # ][ # # ]
170 [ + - ]: 2 : return Result::INVALID_PARAMETER;
171 : : }
172 : :
173 : : // We are going to modify coin control later, copy to reuse
174 : 0 : CCoinControl new_coin_control(coin_control);
175 : :
176 [ # # ][ # # ]: 0 : LOCK(wallet.cs_wallet);
177 : 0 : errors.clear();
178 [ # # ]: 0 : auto it = wallet.mapWallet.find(txid);
179 [ # # ]: 0 : if (it == wallet.mapWallet.end()) {
180 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Invalid or non-wallet transaction id"));
[ # # ]
181 : 0 : return Result::INVALID_ADDRESS_OR_KEY;
182 : : }
183 : 0 : const CWalletTx& wtx = it->second;
184 : :
185 : : // Make sure that original_change_index is valid
186 [ # # ][ # # ]: 0 : if (original_change_index.has_value() && original_change_index.value() >= wtx.tx->vout.size()) {
[ # # ]
187 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Change position is out of range"));
[ # # ]
188 : 0 : return Result::INVALID_PARAMETER;
189 : : }
190 : :
191 : : // Retrieve all of the UTXOs and add them to coin control
192 : : // While we're here, calculate the input amount
193 : 0 : std::map<COutPoint, Coin> coins;
194 : 0 : CAmount input_value = 0;
195 : 0 : std::vector<CTxOut> spent_outputs;
196 [ # # ]: 0 : for (const CTxIn& txin : wtx.tx->vin) {
197 [ # # ]: 0 : coins[txin.prevout]; // Create empty map entry keyed by prevout.
198 : : }
199 [ # # ][ # # ]: 0 : wallet.chain().findCoins(coins);
200 [ # # ]: 0 : for (const CTxIn& txin : wtx.tx->vin) {
201 [ # # ]: 0 : const Coin& coin = coins.at(txin.prevout);
202 [ # # ][ # # ]: 0 : if (coin.out.IsNull()) {
203 [ # # ][ # # ]: 0 : errors.push_back(Untranslated(strprintf("%s:%u is already spent", txin.prevout.hash.GetHex(), txin.prevout.n)));
[ # # ][ # # ]
204 : 0 : return Result::MISC_ERROR;
205 : : }
206 [ # # ]: 0 : PreselectedInput& preset_txin = new_coin_control.Select(txin.prevout);
207 [ # # ][ # # ]: 0 : if (!wallet.IsMine(txin.prevout)) {
208 [ # # ]: 0 : preset_txin.SetTxOut(coin.out);
209 : 0 : }
210 : 0 : input_value += coin.out.nValue;
211 [ # # ]: 0 : spent_outputs.push_back(coin.out);
212 : : }
213 : :
214 : : // Figure out if we need to compute the input weight, and do so if necessary
215 [ # # ]: 0 : PrecomputedTransactionData txdata;
216 [ # # ]: 0 : txdata.Init(*wtx.tx, std::move(spent_outputs), /* force=*/ true);
217 [ # # ]: 0 : for (unsigned int i = 0; i < wtx.tx->vin.size(); ++i) {
218 [ # # ]: 0 : const CTxIn& txin = wtx.tx->vin.at(i);
219 [ # # ]: 0 : const Coin& coin = coins.at(txin.prevout);
220 : :
221 [ # # ][ # # ]: 0 : if (new_coin_control.IsExternalSelected(txin.prevout)) {
222 : : // For external inputs, we estimate the size using the size of this input
223 [ # # ]: 0 : int64_t input_weight = GetTransactionInputWeight(txin);
224 : : // Because signatures can have different sizes, we need to figure out all of the
225 : : // signature sizes and replace them with the max sized signature.
226 : : // In order to do this, we verify the script with a special SignatureChecker which
227 : : // will observe the signatures verified and record their sizes.
228 : 0 : SignatureWeights weights;
229 [ # # ]: 0 : TransactionSignatureChecker tx_checker(wtx.tx.get(), i, coin.out.nValue, txdata, MissingDataBehavior::FAIL);
230 [ # # ]: 0 : SignatureWeightChecker size_checker(weights, tx_checker);
231 [ # # ]: 0 : VerifyScript(txin.scriptSig, coin.out.scriptPubKey, &txin.scriptWitness, STANDARD_SCRIPT_VERIFY_FLAGS, size_checker);
232 : : // Add the difference between max and current to input_weight so that it represents the largest the input could be
233 [ # # ]: 0 : input_weight += weights.GetWeightDiffToMax();
234 [ # # ]: 0 : new_coin_control.SetInputWeight(txin.prevout, input_weight);
235 : 0 : }
236 : 0 : }
237 : :
238 [ # # ]: 0 : Result result = PreconditionChecks(wallet, wtx, require_mine, errors);
239 [ # # ]: 0 : if (result != Result::OK) {
240 : 0 : return result;
241 : : }
242 : :
243 : : // Calculate the old output amount.
244 : 0 : CAmount output_value = 0;
245 [ # # ]: 0 : for (const auto& old_output : wtx.tx->vout) {
246 : 0 : output_value += old_output.nValue;
247 : : }
248 : :
249 : 0 : old_fee = input_value - output_value;
250 : :
251 : : // Fill in recipients (and preserve a single change key if there
252 : : // is one). If outputs vector is non-empty, replace original
253 : : // outputs with its contents, otherwise use original outputs.
254 : 0 : std::vector<CRecipient> recipients;
255 : 0 : CAmount new_outputs_value = 0;
256 [ # # ]: 0 : const auto& txouts = outputs.empty() ? wtx.tx->vout : outputs;
257 [ # # ]: 0 : for (size_t i = 0; i < txouts.size(); ++i) {
258 [ # # ]: 0 : const CTxOut& output = txouts.at(i);
259 [ # # ]: 0 : CTxDestination dest;
260 [ # # ]: 0 : ExtractDestination(output.scriptPubKey, dest);
261 [ # # ][ # # ]: 0 : if (original_change_index.has_value() ? original_change_index.value() == i : OutputIsChange(wallet, output)) {
[ # # ]
262 [ # # ]: 0 : new_coin_control.destChange = dest;
263 : 0 : } else {
264 [ # # ]: 0 : CRecipient recipient = {dest, output.nValue, false};
265 [ # # ]: 0 : recipients.push_back(recipient);
266 : 0 : }
267 [ + - ]: 2 : new_outputs_value += output.nValue;
268 : 0 : }
269 : :
270 : : // If no recipients, means that we are sending coins to a change address
271 [ # # ]: 0 : if (recipients.empty()) {
272 : : // Just as a sanity check, ensure that the change address exist
273 [ # # ]: 0 : if (std::get_if<CNoDestination>(&new_coin_control.destChange)) {
274 [ # # ][ # # ]: 0 : errors.emplace_back(Untranslated("Unable to create transaction. Transaction must have at least one recipient"));
[ # # ]
275 : 0 : return Result::INVALID_PARAMETER;
276 : : }
277 : :
278 : : // Add change as recipient with SFFO flag enabled, so fees are deduced from it.
279 : : // If the output differs from the original tx output (because the user customized it) a new change output will be created.
280 [ # # ][ # # ]: 0 : recipients.emplace_back(CRecipient{new_coin_control.destChange, new_outputs_value, /*fSubtractFeeFromAmount=*/true});
281 [ # # ]: 0 : new_coin_control.destChange = CNoDestination();
282 : 0 : }
283 : :
284 [ # # ]: 0 : if (coin_control.m_feerate) {
285 : : // The user provided a feeRate argument.
286 : : // We calculate this here to avoid compiler warning on the cs_wallet lock
287 : : // We need to make a temporary transaction with no input witnesses as the dummy signer expects them to be empty for external inputs
288 [ # # ]: 0 : CMutableTransaction temp_mtx{*wtx.tx};
289 [ # # ]: 0 : for (auto& txin : temp_mtx.vin) {
290 [ # # ]: 0 : txin.scriptSig.clear();
291 [ # # ]: 0 : txin.scriptWitness.SetNull();
292 : : }
293 [ # # ]: 0 : temp_mtx.vout = txouts;
294 [ # # ][ # # ]: 0 : const int64_t maxTxSize{CalculateMaximumSignedTxSize(CTransaction(temp_mtx), &wallet, &new_coin_control).vsize};
295 [ # # ]: 0 : Result res = CheckFeeRate(wallet, temp_mtx, *new_coin_control.m_feerate, maxTxSize, old_fee, errors);
296 [ # # ]: 0 : if (res != Result::OK) {
297 : 0 : return res;
298 : : }
299 [ # # ]: 0 : } else {
300 : : // The user did not provide a feeRate argument
301 [ # # ]: 0 : new_coin_control.m_feerate = EstimateFeeRate(wallet, wtx, old_fee, new_coin_control);
302 : : }
303 : :
304 : : // Fill in required inputs we are double-spending(all of them)
305 : : // N.B.: bip125 doesn't require all the inputs in the replaced transaction to be
306 : : // used in the replacement transaction, but it's very important for wallets to make
307 : : // sure that happens. If not, it would be possible to bump a transaction A twice to
308 : : // A2 and A3 where A2 and A3 don't conflict (or alternatively bump A to A2 and A2
309 : : // to A3 where A and A3 don't conflict). If both later get confirmed then the sender
310 : : // has accidentally double paid.
311 [ # # ]: 0 : for (const auto& inputs : wtx.tx->vin) {
312 [ # # ]: 0 : new_coin_control.Select(COutPoint(inputs.prevout));
313 : : }
314 : 0 : new_coin_control.m_allow_other_inputs = true;
315 : :
316 : : // We cannot source new unconfirmed inputs(bip125 rule 2)
317 : 0 : new_coin_control.m_min_depth = 1;
318 : :
319 [ # # ]: 0 : auto res = CreateTransaction(wallet, recipients, /*change_pos=*/std::nullopt, new_coin_control, false);
320 [ # # ]: 0 : if (!res) {
321 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Unable to create transaction.") + Untranslated(" ") + util::ErrorString(res));
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ][ # # ]
322 : 0 : return Result::WALLET_ERROR;
323 : : }
324 : :
325 [ # # ]: 0 : const auto& txr = *res;
326 : : // Write back new fee if successful
327 : 0 : new_fee = txr.fee;
328 : :
329 : : // Write back transaction
330 [ # # ]: 0 : mtx = CMutableTransaction(*txr.tx);
331 : :
332 : 0 : return Result::OK;
333 : 0 : }
334 : :
335 : 0 : bool SignTransaction(CWallet& wallet, CMutableTransaction& mtx) {
336 : 0 : LOCK(wallet.cs_wallet);
337 : :
338 [ # # ][ # # ]: 0 : if (wallet.IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
339 : : // Make a blank psbt
340 [ # # ]: 0 : PartiallySignedTransaction psbtx(mtx);
341 : :
342 : : // First fill transaction with our data without signing,
343 : : // so external signers are not asked to sign more than once.
344 : : bool complete;
345 [ # # ]: 0 : wallet.FillPSBT(psbtx, complete, SIGHASH_ALL, false /* sign */, true /* bip32derivs */);
346 [ # # ]: 0 : const TransactionError err = wallet.FillPSBT(psbtx, complete, SIGHASH_ALL, true /* sign */, false /* bip32derivs */);
347 [ # # ]: 0 : if (err != TransactionError::OK) return false;
348 [ # # ]: 0 : complete = FinalizeAndExtractPSBT(psbtx, mtx);
349 : 0 : return complete;
350 : 0 : } else {
351 [ # # ]: 0 : return wallet.SignTransaction(mtx);
352 : : }
353 : 0 : }
354 : :
355 : 0 : Result CommitTransaction(CWallet& wallet, const uint256& txid, CMutableTransaction&& mtx, std::vector<bilingual_str>& errors, uint256& bumped_txid)
356 : : {
357 : 0 : LOCK(wallet.cs_wallet);
358 [ # # ]: 0 : if (!errors.empty()) {
359 : 0 : return Result::MISC_ERROR;
360 : : }
361 [ # # ][ # # ]: 0 : auto it = txid.IsNull() ? wallet.mapWallet.end() : wallet.mapWallet.find(txid);
[ # # ]
362 [ # # ]: 0 : if (it == wallet.mapWallet.end()) {
363 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Invalid or non-wallet transaction id"));
[ # # ]
364 : 0 : return Result::MISC_ERROR;
365 : : }
366 : 0 : const CWalletTx& oldWtx = it->second;
367 : :
368 : : // make sure the transaction still has no descendants and hasn't been mined in the meantime
369 [ # # ]: 0 : Result result = PreconditionChecks(wallet, oldWtx, /* require_mine=*/ false, errors);
370 [ # # ]: 0 : if (result != Result::OK) {
371 : 0 : return result;
372 : : }
373 : :
374 : : // commit/broadcast the tx
375 [ # # ]: 0 : CTransactionRef tx = MakeTransactionRef(std::move(mtx));
376 [ # # ]: 0 : mapValue_t mapValue = oldWtx.mapValue;
377 [ # # ][ # # ]: 0 : mapValue["replaces_txid"] = oldWtx.GetHash().ToString();
[ # # ][ # # ]
378 : :
379 [ # # ][ # # ]: 0 : wallet.CommitTransaction(tx, std::move(mapValue), oldWtx.vOrderForm);
380 : :
381 : : // mark the original tx as bumped
382 [ # # ][ # # ]: 0 : bumped_txid = tx->GetHash();
383 [ # # ][ # # ]: 0 : if (!wallet.MarkReplaced(oldWtx.GetHash(), bumped_txid)) {
[ # # ][ # # ]
384 [ # # ][ # # ]: 0 : errors.push_back(Untranslated("Created new bumpfee transaction but could not mark the original transaction as replaced"));
[ # # ]
385 : 0 : }
386 : 0 : return Result::OK;
387 : 0 : }
388 : :
389 : : } // namespace feebumper
390 : : } // namespace wallet
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