Branch data Line data Source code
1 : : // Copyright (c) 2011-2022 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/messages.h>
6 : : #include <consensus/validation.h>
7 : : #include <core_io.h>
8 : : #include <key_io.h>
9 : : #include <node/types.h>
10 : : #include <policy/policy.h>
11 : : #include <rpc/rawtransaction_util.h>
12 : : #include <rpc/util.h>
13 : : #include <script/script.h>
14 : : #include <util/rbf.h>
15 : : #include <util/translation.h>
16 : : #include <util/vector.h>
17 : : #include <wallet/coincontrol.h>
18 : : #include <wallet/feebumper.h>
19 : : #include <wallet/fees.h>
20 : : #include <wallet/rpc/util.h>
21 : : #include <wallet/spend.h>
22 : : #include <wallet/wallet.h>
23 : :
24 : : #include <univalue.h>
25 : :
26 : : using common::FeeModeFromString;
27 : : using common::FeeModesDetail;
28 : : using common::InvalidEstimateModeErrorMessage;
29 : : using common::StringForFeeReason;
30 : : using common::TransactionErrorString;
31 : : using node::TransactionError;
32 : :
33 : : namespace wallet {
34 : 0 : std::vector<CRecipient> CreateRecipients(const std::vector<std::pair<CTxDestination, CAmount>>& outputs, const std::set<int>& subtract_fee_outputs)
35 : : {
36 : 0 : std::vector<CRecipient> recipients;
37 [ # # ]: 0 : for (size_t i = 0; i < outputs.size(); ++i) {
38 [ # # # # ]: 0 : const auto& [destination, amount] = outputs.at(i);
39 [ # # ]: 0 : CRecipient recipient{destination, amount, subtract_fee_outputs.contains(i)};
40 [ # # ]: 0 : recipients.push_back(recipient);
41 : 0 : }
42 : 0 : return recipients;
43 : 0 : }
44 : :
45 : 0 : static void InterpretFeeEstimationInstructions(const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate, UniValue& options)
46 : : {
47 [ # # # # : 0 : if (options.exists("conf_target") || options.exists("estimate_mode")) {
# # # # #
# # # # #
# # ]
48 [ # # # # ]: 0 : if (!conf_target.isNull() || !estimate_mode.isNull()) {
49 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Pass conf_target and estimate_mode either as arguments or in the options object, but not both");
50 : : }
51 : : } else {
52 [ # # # # ]: 0 : options.pushKV("conf_target", conf_target);
53 [ # # # # ]: 0 : options.pushKV("estimate_mode", estimate_mode);
54 : : }
55 [ # # ]: 0 : if (options.exists("fee_rate")) {
56 [ # # ]: 0 : if (!fee_rate.isNull()) {
57 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Pass the fee_rate either as an argument, or in the options object, but not both");
58 : : }
59 : : } else {
60 [ # # # # ]: 0 : options.pushKV("fee_rate", fee_rate);
61 : : }
62 [ # # # # : 0 : if (!options["conf_target"].isNull() && (options["estimate_mode"].isNull() || (options["estimate_mode"].get_str() == "unset"))) {
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
63 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Specify estimate_mode");
64 : : }
65 : 0 : }
66 : :
67 : 0 : std::set<int> InterpretSubtractFeeFromOutputInstructions(const UniValue& sffo_instructions, const std::vector<std::string>& destinations)
68 : : {
69 [ # # ]: 0 : std::set<int> sffo_set;
70 [ # # ]: 0 : if (sffo_instructions.isNull()) return sffo_set;
71 : :
72 [ # # # # ]: 0 : for (const auto& sffo : sffo_instructions.getValues()) {
73 : 0 : int pos{-1};
74 [ # # ]: 0 : if (sffo.isStr()) {
75 [ # # # # ]: 0 : auto it = find(destinations.begin(), destinations.end(), sffo.get_str());
76 [ # # # # : 0 : if (it == destinations.end()) throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter 'subtract fee from output', destination %s not found in tx outputs", sffo.get_str()));
# # # # ]
77 : 0 : pos = it - destinations.begin();
78 [ # # ]: 0 : } else if (sffo.isNum()) {
79 [ # # ]: 0 : pos = sffo.getInt<int>();
80 : : } else {
81 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter 'subtract fee from output', invalid value type: %s", uvTypeName(sffo.type())));
# # ]
82 : : }
83 : :
84 [ # # ]: 0 : if (sffo_set.contains(pos))
85 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter 'subtract fee from output', duplicated position: %d", pos));
86 [ # # ]: 0 : if (pos < 0)
87 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter 'subtract fee from output', negative position: %d", pos));
88 [ # # ]: 0 : if (pos >= int(destinations.size()))
89 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter 'subtract fee from output', position too large: %d", pos));
90 [ # # ]: 0 : sffo_set.insert(pos);
91 : : }
92 : : return sffo_set;
93 : 0 : }
94 : :
95 : 0 : static UniValue FinishTransaction(const std::shared_ptr<CWallet> pwallet, const UniValue& options, const CMutableTransaction& rawTx)
96 : : {
97 : : // Make a blank psbt
98 : 0 : PartiallySignedTransaction psbtx(rawTx);
99 : :
100 : : // First fill transaction with our data without signing,
101 : : // so external signers are not asked to sign more than once.
102 : 0 : bool complete;
103 [ # # ]: 0 : pwallet->FillPSBT(psbtx, complete, std::nullopt, /*sign=*/false, /*bip32derivs=*/true);
104 [ # # ]: 0 : const auto err{pwallet->FillPSBT(psbtx, complete, std::nullopt, /*sign=*/true, /*bip32derivs=*/false)};
105 [ # # ]: 0 : if (err) {
106 [ # # ]: 0 : throw JSONRPCPSBTError(*err);
107 : : }
108 : :
109 [ # # ]: 0 : CMutableTransaction mtx;
110 [ # # ]: 0 : complete = FinalizeAndExtractPSBT(psbtx, mtx);
111 : :
112 : 0 : UniValue result(UniValue::VOBJ);
113 : :
114 [ # # # # : 0 : const bool psbt_opt_in{options.exists("psbt") && options["psbt"].get_bool()};
# # # # #
# # # # #
# # ]
115 [ # # # # : 0 : bool add_to_wallet{options.exists("add_to_wallet") ? options["add_to_wallet"].get_bool() : true};
# # # # #
# ]
116 [ # # # # : 0 : if (psbt_opt_in || !complete || !add_to_wallet) {
# # ]
117 : : // Serialize the PSBT
118 : 0 : DataStream ssTx{};
119 [ # # ]: 0 : ssTx << psbtx;
120 [ # # # # : 0 : result.pushKV("psbt", EncodeBase64(ssTx.str()));
# # # # #
# ]
121 : 0 : }
122 : :
123 [ # # ]: 0 : if (complete) {
124 [ # # # # ]: 0 : std::string hex{EncodeHexTx(CTransaction(mtx))};
125 [ # # ]: 0 : CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
126 [ # # # # : 0 : result.pushKV("txid", tx->GetHash().GetHex());
# # # # ]
127 [ # # ]: 0 : if (add_to_wallet && !psbt_opt_in) {
128 [ # # # # ]: 0 : pwallet->CommitTransaction(tx, {}, /*orderForm=*/{});
129 : : } else {
130 [ # # # # : 0 : result.pushKV("hex", hex);
# # ]
131 : : }
132 : 0 : }
133 [ # # # # : 0 : result.pushKV("complete", complete);
# # ]
134 : :
135 : 0 : return result;
136 : 0 : }
137 : :
138 : 0 : static void PreventOutdatedOptions(const UniValue& options)
139 : : {
140 [ # # ]: 0 : if (options.exists("feeRate")) {
141 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Use fee_rate (" + CURRENCY_ATOM + "/vB) instead of feeRate");
142 : : }
143 [ # # ]: 0 : if (options.exists("changeAddress")) {
144 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Use change_address instead of changeAddress");
145 : : }
146 [ # # ]: 0 : if (options.exists("changePosition")) {
147 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Use change_position instead of changePosition");
148 : : }
149 [ # # ]: 0 : if (options.exists("includeWatching")) {
150 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Use include_watching instead of includeWatching");
151 : : }
152 [ # # ]: 0 : if (options.exists("lockUnspents")) {
153 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Use lock_unspents instead of lockUnspents");
154 : : }
155 [ # # ]: 0 : if (options.exists("subtractFeeFromOutputs")) {
156 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Use subtract_fee_from_outputs instead of subtractFeeFromOutputs");
157 : : }
158 : 0 : }
159 : :
160 : 0 : UniValue SendMoney(CWallet& wallet, const CCoinControl &coin_control, std::vector<CRecipient> &recipients, mapValue_t map_value, bool verbose)
161 : : {
162 : 0 : EnsureWalletIsUnlocked(wallet);
163 : :
164 : : // This function is only used by sendtoaddress and sendmany.
165 : : // This should always try to sign, if we don't have private keys, don't try to do anything here.
166 [ # # ]: 0 : if (wallet.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
167 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet");
168 : : }
169 : :
170 : : // Shuffle recipient list
171 : 0 : std::shuffle(recipients.begin(), recipients.end(), FastRandomContext());
172 : :
173 : : // Send
174 : 0 : auto res = CreateTransaction(wallet, recipients, /*change_pos=*/std::nullopt, coin_control, true);
175 [ # # ]: 0 : if (!res) {
176 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, util::ErrorString(res).original);
177 : : }
178 : 0 : const CTransactionRef& tx = res->tx;
179 [ # # # # ]: 0 : wallet.CommitTransaction(tx, std::move(map_value), /*orderForm=*/{});
180 [ # # ]: 0 : if (verbose) {
181 : 0 : UniValue entry(UniValue::VOBJ);
182 [ # # # # : 0 : entry.pushKV("txid", tx->GetHash().GetHex());
# # # # ]
183 [ # # # # : 0 : entry.pushKV("fee_reason", StringForFeeReason(res->fee_calc.reason));
# # # # ]
184 : 0 : return entry;
185 : 0 : }
186 [ # # # # ]: 0 : return tx->GetHash().GetHex();
187 : 0 : }
188 : :
189 : :
190 : : /**
191 : : * Update coin control with fee estimation based on the given parameters
192 : : *
193 : : * @param[in] wallet Wallet reference
194 : : * @param[in,out] cc Coin control to be updated
195 : : * @param[in] conf_target UniValue integer; confirmation target in blocks, values between 1 and 1008 are valid per policy/fees.h;
196 : : * @param[in] estimate_mode UniValue string; fee estimation mode, valid values are "unset", "economical" or "conservative";
197 : : * @param[in] fee_rate UniValue real; fee rate in sat/vB;
198 : : * if present, both conf_target and estimate_mode must either be null, or "unset"
199 : : * @param[in] override_min_fee bool; whether to set fOverrideFeeRate to true to disable minimum fee rate checks and instead
200 : : * verify only that fee_rate is greater than 0
201 : : * @throws a JSONRPCError if conf_target, estimate_mode, or fee_rate contain invalid values or are in conflict
202 : : */
203 : 0 : static void SetFeeEstimateMode(const CWallet& wallet, CCoinControl& cc, const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate, bool override_min_fee)
204 : : {
205 [ # # ]: 0 : if (!fee_rate.isNull()) {
206 [ # # ]: 0 : if (!conf_target.isNull()) {
207 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both conf_target and fee_rate. Please provide either a confirmation target in blocks for automatic fee estimation, or an explicit fee rate.");
208 : : }
209 [ # # # # ]: 0 : if (!estimate_mode.isNull() && estimate_mode.get_str() != "unset") {
210 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and fee_rate");
211 : : }
212 : : // Fee rates in sat/vB cannot represent more than 3 significant digits.
213 [ # # ]: 0 : cc.m_feerate = CFeeRate{AmountFromValue(fee_rate, /*decimals=*/3)};
214 [ # # ]: 0 : if (override_min_fee) cc.fOverrideFeeRate = true;
215 : : // Default RBF to true for explicit fee_rate, if unset.
216 [ # # ]: 0 : if (!cc.m_signal_bip125_rbf) cc.m_signal_bip125_rbf = true;
217 : 0 : return;
218 : : }
219 [ # # # # ]: 0 : if (!estimate_mode.isNull() && !FeeModeFromString(estimate_mode.get_str(), cc.m_fee_mode)) {
220 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, InvalidEstimateModeErrorMessage());
221 : : }
222 [ # # ]: 0 : if (!conf_target.isNull()) {
223 : 0 : cc.m_confirm_target = ParseConfirmTarget(conf_target, wallet.chain().estimateMaxBlocks());
224 : : }
225 : : }
226 : :
227 : 0 : RPCHelpMan sendtoaddress()
228 : : {
229 : 0 : return RPCHelpMan{
230 : : "sendtoaddress",
231 : 0 : "Send an amount to a given address." +
232 [ # # ]: 0 : HELP_REQUIRING_PASSPHRASE,
233 : : {
234 [ # # ]: 0 : {"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The bitcoin address to send to."},
235 [ # # ]: 0 : {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The amount in " + CURRENCY_UNIT + " to send. eg 0.1"},
236 [ # # ]: 0 : {"comment", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "A comment used to store what the transaction is for.\n"
237 : : "This is not part of the transaction, just kept in your wallet."},
238 [ # # ]: 0 : {"comment_to", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "A comment to store the name of the person or organization\n"
239 : : "to which you're sending the transaction. This is not part of the \n"
240 : : "transaction, just kept in your wallet."},
241 [ # # ]: 0 : {"subtractfeefromamount", RPCArg::Type::BOOL, RPCArg::Default{false}, "The fee will be deducted from the amount being sent.\n"
242 : : "The recipient will receive less bitcoins than you enter in the amount field."},
243 [ # # ]: 0 : {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Signal that this transaction can be replaced by a transaction (BIP 125)"},
244 [ # # ]: 0 : {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"},
245 [ # # ]: 0 : {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
246 [ # # # # ]: 0 : + FeeModesDetail(std::string("economical mode is used if the transaction is replaceable;\notherwise, conservative mode is used"))},
247 [ # # ]: 0 : {"avoid_reuse", RPCArg::Type::BOOL, RPCArg::Default{true}, "(only available if avoid_reuse wallet flag is set) Avoid spending from dirty addresses; addresses are considered\n"
248 : : "dirty if they have previously been used in a transaction. If true, this also activates avoidpartialspends, grouping outputs by their addresses."},
249 [ # # ]: 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
250 [ # # ]: 0 : {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, return extra information about the transaction."},
251 : : },
252 : : {
253 : : RPCResult{"if verbose is not set or set to false",
254 : : RPCResult::Type::STR_HEX, "txid", "The transaction id."
255 [ # # # # : 0 : },
# # # # ]
256 : : RPCResult{"if verbose is set to true",
257 : : RPCResult::Type::OBJ, "", "",
258 : : {
259 : : {RPCResult::Type::STR_HEX, "txid", "The transaction id."},
260 : : {RPCResult::Type::STR, "fee_reason", "The transaction fee reason."}
261 : : },
262 [ # # # # : 0 : },
# # # # #
# # # # #
# # # # #
# # # #
# ]
263 : : },
264 : 0 : RPCExamples{
265 : : "\nSend 0.1 BTC\n"
266 [ # # # # : 0 : + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1") +
# # # # ]
267 : 0 : "\nSend 0.1 BTC with a confirmation target of 6 blocks in economical fee estimate mode using positional arguments\n"
268 [ # # # # : 0 : + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1 \"donation\" \"sean's outpost\" false true 6 economical") +
# # # # ]
269 [ # # ]: 0 : "\nSend 0.1 BTC with a fee rate of 1.1 " + CURRENCY_ATOM + "/vB, subtract fee from amount, BIP125-replaceable, using positional arguments\n"
270 [ # # # # : 0 : + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1 \"drinks\" \"room77\" true true null \"unset\" null 1.1") +
# # # # ]
271 : 0 : "\nSend 0.2 BTC with a confirmation target of 6 blocks in economical fee estimate mode using named arguments\n"
272 [ # # # # : 0 : + HelpExampleCli("-named sendtoaddress", "address=\"" + EXAMPLE_ADDRESS[0] + "\" amount=0.2 conf_target=6 estimate_mode=\"economical\"") +
# # # # ]
273 [ # # ]: 0 : "\nSend 0.5 BTC with a fee rate of 25 " + CURRENCY_ATOM + "/vB using named arguments\n"
274 [ # # # # : 0 : + HelpExampleCli("-named sendtoaddress", "address=\"" + EXAMPLE_ADDRESS[0] + "\" amount=0.5 fee_rate=25")
# # # # ]
275 [ # # # # : 0 : + HelpExampleCli("-named sendtoaddress", "address=\"" + EXAMPLE_ADDRESS[0] + "\" amount=0.5 fee_rate=25 subtractfeefromamount=false replaceable=true avoid_reuse=true comment=\"2 pizzas\" comment_to=\"jeremy\" verbose=true")
# # ]
276 [ # # ]: 0 : },
277 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
278 : : {
279 : 0 : std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
280 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
281 : :
282 : : // Make sure the results are valid at least up to the most recent block
283 : : // the user could have gotten from another RPC command prior to now
284 [ # # ]: 0 : pwallet->BlockUntilSyncedToCurrentChain();
285 : :
286 [ # # ]: 0 : LOCK(pwallet->cs_wallet);
287 : :
288 : : // Wallet comments
289 [ # # ]: 0 : mapValue_t mapValue;
290 [ # # # # : 0 : if (!request.params[2].isNull() && !request.params[2].get_str().empty())
# # # # #
# ]
291 [ # # # # : 0 : mapValue["comment"] = request.params[2].get_str();
# # # # #
# ]
292 [ # # # # : 0 : if (!request.params[3].isNull() && !request.params[3].get_str().empty())
# # # # #
# ]
293 [ # # # # : 0 : mapValue["to"] = request.params[3].get_str();
# # # # #
# ]
294 : :
295 [ # # ]: 0 : CCoinControl coin_control;
296 [ # # # # ]: 0 : if (!request.params[5].isNull()) {
297 [ # # # # ]: 0 : coin_control.m_signal_bip125_rbf = request.params[5].get_bool();
298 : : }
299 : :
300 [ # # # # ]: 0 : coin_control.m_avoid_address_reuse = GetAvoidReuseFlag(*pwallet, request.params[8]);
301 : : // We also enable partial spend avoidance if reuse avoidance is set.
302 : 0 : coin_control.m_avoid_partial_spends |= coin_control.m_avoid_address_reuse;
303 : :
304 [ # # # # : 0 : SetFeeEstimateMode(*pwallet, coin_control, /*conf_target=*/request.params[6], /*estimate_mode=*/request.params[7], /*fee_rate=*/request.params[9], /*override_min_fee=*/false);
# # # # ]
305 : :
306 [ # # ]: 0 : EnsureWalletIsUnlocked(*pwallet);
307 : :
308 : 0 : UniValue address_amounts(UniValue::VOBJ);
309 [ # # # # : 0 : const std::string address = request.params[0].get_str();
# # ]
310 [ # # # # : 0 : address_amounts.pushKV(address, request.params[1]);
# # # # ]
311 : :
312 [ # # ]: 0 : std::set<int> sffo_set;
313 [ # # # # : 0 : if (!request.params[4].isNull() && request.params[4].get_bool()) {
# # # # #
# ]
314 [ # # ]: 0 : sffo_set.insert(0);
315 : : }
316 : :
317 [ # # # # ]: 0 : std::vector<CRecipient> recipients{CreateRecipients(ParseOutputs(address_amounts), sffo_set)};
318 [ # # # # : 0 : const bool verbose{request.params[10].isNull() ? false : request.params[10].get_bool()};
# # # # ]
319 : :
320 [ # # # # ]: 0 : return SendMoney(*pwallet, coin_control, recipients, mapValue, verbose);
321 [ # # ]: 0 : },
322 [ # # # # : 0 : };
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
323 [ # # # # : 0 : }
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
324 : :
325 : 0 : RPCHelpMan sendmany()
326 : : {
327 : 0 : return RPCHelpMan{"sendmany",
328 : 0 : "Send multiple times. Amounts are double-precision floating point numbers." +
329 [ # # ]: 0 : HELP_REQUIRING_PASSPHRASE,
330 : : {
331 [ # # ]: 0 : {"dummy", RPCArg::Type::STR, RPCArg::Default{"\"\""}, "Must be set to \"\" for backwards compatibility.",
332 [ # # # # ]: 0 : RPCArgOptions{
333 : : .oneline_description = "\"\"",
334 : : }},
335 [ # # ]: 0 : {"amounts", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::NO, "The addresses and amounts",
336 : : {
337 [ # # ]: 0 : {"address", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The bitcoin address is the key, the numeric amount (can be string) in " + CURRENCY_UNIT + " is the value"},
338 : : },
339 : : },
340 [ # # ]: 0 : {"minconf", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "Ignored dummy value"},
341 [ # # ]: 0 : {"comment", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "A comment"},
342 [ # # ]: 0 : {"subtractfeefrom", RPCArg::Type::ARR, RPCArg::Optional::OMITTED, "The addresses.\n"
343 : : "The fee will be equally deducted from the amount of each selected address.\n"
344 : : "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
345 : : "If no addresses are specified here, the sender pays the fee.",
346 : : {
347 [ # # ]: 0 : {"address", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Subtract fee from this address"},
348 : : },
349 : : },
350 [ # # ]: 0 : {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Signal that this transaction can be replaced by a transaction (BIP 125)"},
351 [ # # ]: 0 : {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"},
352 [ # # ]: 0 : {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
353 [ # # # # ]: 0 : + FeeModesDetail(std::string("economical mode is used if the transaction is replaceable;\notherwise, conservative mode is used"))},
354 [ # # ]: 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
355 [ # # ]: 0 : {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, return extra information about the transaction."},
356 : : },
357 : : {
358 : : RPCResult{"if verbose is not set or set to false",
359 : : RPCResult::Type::STR_HEX, "txid", "The transaction id for the send. Only 1 transaction is created regardless of\n"
360 : : "the number of addresses."
361 [ # # # # : 0 : },
# # # # ]
362 : : RPCResult{"if verbose is set to true",
363 : : RPCResult::Type::OBJ, "", "",
364 : : {
365 : : {RPCResult::Type::STR_HEX, "txid", "The transaction id for the send. Only 1 transaction is created regardless of\n"
366 : : "the number of addresses."},
367 : : {RPCResult::Type::STR, "fee_reason", "The transaction fee reason."}
368 : : },
369 [ # # # # : 0 : },
# # # # #
# # # # #
# # # # #
# # # #
# ]
370 : : },
371 : 0 : RPCExamples{
372 : : "\nSend two amounts to two different addresses:\n"
373 [ # # # # : 0 : + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\"") +
# # # # #
# ]
374 : 0 : "\nSend two amounts to two different addresses setting the confirmation and comment:\n"
375 [ # # # # : 0 : + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\" 6 \"testing\"") +
# # # # #
# ]
376 : 0 : "\nSend two amounts to two different addresses, subtract fee from amount:\n"
377 [ # # # # : 0 : + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\" 1 \"\" \"[\\\"" + EXAMPLE_ADDRESS[0] + "\\\",\\\"" + EXAMPLE_ADDRESS[1] + "\\\"]\"") +
# # # # #
# # # #
# ]
378 : 0 : "\nAs a JSON-RPC call\n"
379 [ # # # # : 0 : + HelpExampleRpc("sendmany", "\"\", {\"" + EXAMPLE_ADDRESS[0] + "\":0.01,\"" + EXAMPLE_ADDRESS[1] + "\":0.02}, 6, \"testing\"")
# # # # ]
380 [ # # ]: 0 : },
381 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
382 : : {
383 : 0 : std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
384 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
385 : :
386 : : // Make sure the results are valid at least up to the most recent block
387 : : // the user could have gotten from another RPC command prior to now
388 [ # # ]: 0 : pwallet->BlockUntilSyncedToCurrentChain();
389 : :
390 [ # # ]: 0 : LOCK(pwallet->cs_wallet);
391 : :
392 [ # # # # : 0 : if (!request.params[0].isNull() && !request.params[0].get_str().empty()) {
# # # # #
# ]
393 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Dummy value must be set to \"\"");
394 : : }
395 [ # # # # : 0 : UniValue sendTo = request.params[1].get_obj();
# # ]
396 : :
397 [ # # ]: 0 : mapValue_t mapValue;
398 [ # # # # : 0 : if (!request.params[3].isNull() && !request.params[3].get_str().empty())
# # # # #
# ]
399 [ # # # # : 0 : mapValue["comment"] = request.params[3].get_str();
# # # # #
# ]
400 : :
401 [ # # ]: 0 : CCoinControl coin_control;
402 [ # # # # ]: 0 : if (!request.params[5].isNull()) {
403 [ # # # # ]: 0 : coin_control.m_signal_bip125_rbf = request.params[5].get_bool();
404 : : }
405 : :
406 [ # # # # : 0 : SetFeeEstimateMode(*pwallet, coin_control, /*conf_target=*/request.params[6], /*estimate_mode=*/request.params[7], /*fee_rate=*/request.params[8], /*override_min_fee=*/false);
# # # # ]
407 : :
408 : 0 : std::vector<CRecipient> recipients = CreateRecipients(
409 [ # # ]: 0 : ParseOutputs(sendTo),
410 [ # # # # : 0 : InterpretSubtractFeeFromOutputInstructions(request.params[4], sendTo.getKeys())
# # ]
411 [ # # ]: 0 : );
412 [ # # # # : 0 : const bool verbose{request.params[9].isNull() ? false : request.params[9].get_bool()};
# # # # ]
413 : :
414 [ # # ]: 0 : return SendMoney(*pwallet, coin_control, recipients, std::move(mapValue), verbose);
415 [ # # ]: 0 : },
416 [ # # # # : 0 : };
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
417 [ # # # # : 0 : }
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
418 : :
419 : 0 : RPCHelpMan settxfee()
420 : : {
421 : 0 : return RPCHelpMan{
422 : : "settxfee",
423 [ # # ]: 0 : "(DEPRECATED) Set the transaction fee rate in " + CURRENCY_UNIT + "/kvB for this wallet. Overrides the global -paytxfee command line parameter.\n"
424 : 0 : "Can be deactivated by passing 0 as the fee. In that case automatic fee selection will be used by default.\n",
425 : : {
426 [ # # ]: 0 : {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The transaction fee rate in " + CURRENCY_UNIT + "/kvB"},
427 : : },
428 : 0 : RPCResult{
429 : : RPCResult::Type::BOOL, "", "Returns true if successful"
430 [ # # # # : 0 : },
# # ]
431 : 0 : RPCExamples{
432 [ # # # # : 0 : HelpExampleCli("settxfee", "0.00001")
# # ]
433 [ # # # # : 0 : + HelpExampleRpc("settxfee", "0.00001")
# # # # ]
434 [ # # ]: 0 : },
435 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
436 : : {
437 : 0 : std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
438 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
439 : :
440 [ # # ]: 0 : LOCK(pwallet->cs_wallet);
441 : :
442 [ # # # # : 0 : if (!pwallet->chain().rpcEnableDeprecated("settxfee")) {
# # ]
443 [ # # ]: 0 : throw JSONRPCError(RPC_METHOD_DEPRECATED, "settxfee is deprecated and will be fully removed in v31.0."
444 [ # # # # ]: 0 : "\nTo use settxfee restart bitcoind with -deprecatedrpc=settxfee.");
445 : : }
446 : :
447 [ # # # # ]: 0 : CAmount nAmount = AmountFromValue(request.params[0]);
448 [ # # ]: 0 : CFeeRate tx_fee_rate(nAmount, 1000);
449 [ # # ]: 0 : CFeeRate max_tx_fee_rate(pwallet->m_default_max_tx_fee, 1000);
450 [ # # ]: 0 : if (tx_fee_rate == CFeeRate(0)) {
451 : : // automatic selection
452 [ # # # # ]: 0 : } else if (tx_fee_rate < pwallet->chain().relayMinFee()) {
453 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than min relay tx fee (%s)", pwallet->chain().relayMinFee().ToString()));
# # # # ]
454 [ # # ]: 0 : } else if (tx_fee_rate < pwallet->m_min_fee) {
455 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than wallet min fee (%s)", pwallet->m_min_fee.ToString()));
# # ]
456 [ # # ]: 0 : } else if (tx_fee_rate > max_tx_fee_rate) {
457 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be more than wallet max tx fee (%s)", max_tx_fee_rate.ToString()));
# # ]
458 : : }
459 : :
460 [ # # ]: 0 : pwallet->m_pay_tx_fee = tx_fee_rate;
461 [ # # ]: 0 : return true;
462 : 0 : },
463 [ # # # # : 0 : };
# # # # #
# # # #
# ]
464 [ # # # # ]: 0 : }
465 : :
466 : :
467 : : // Only includes key documentation where the key is snake_case in all RPC methods. MixedCase keys can be added later.
468 : 0 : static std::vector<RPCArg> FundTxDoc(bool solving_data = true)
469 : : {
470 : 0 : std::vector<RPCArg> args = {
471 [ # # # # ]: 0 : {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks", RPCArgOptions{.also_positional = true}},
472 [ # # ]: 0 : {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
473 [ # # # # : 0 : + FeeModesDetail(std::string("economical mode is used if the transaction is replaceable;\notherwise, conservative mode is used")), RPCArgOptions{.also_positional = true}},
# # ]
474 : : {
475 [ # # ]: 0 : "replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Marks this transaction as BIP125-replaceable.\n"
476 : : "Allows this transaction to be replaced by a transaction with higher fees"
477 : : },
478 [ # # # # : 0 : };
# # # # #
# # # # #
# # # # ]
479 [ # # ]: 0 : if (solving_data) {
480 [ # # # # : 0 : args.push_back({"solving_data", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "Keys and scripts needed for producing a final transaction with a dummy signature.\n"
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
481 : : "Used for fee estimation during coin selection.",
482 : : {
483 : : {
484 : 0 : "pubkeys", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Public keys involved in this transaction.",
485 : : {
486 [ # # ]: 0 : {"pubkey", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A public key"},
487 : : }
488 : : },
489 : : {
490 : 0 : "scripts", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Scripts involved in this transaction.",
491 : : {
492 [ # # ]: 0 : {"script", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A script"},
493 : : }
494 : : },
495 : : {
496 : 0 : "descriptors", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Descriptors that provide solving data for this transaction.",
497 : : {
498 [ # # ]: 0 : {"descriptor", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "A descriptor"},
499 : : }
500 : : },
501 : : }
502 : : });
503 : : }
504 : 0 : return args;
505 [ # # # # : 0 : }
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
506 : :
507 : 0 : CreatedTransactionResult FundTransaction(CWallet& wallet, const CMutableTransaction& tx, const std::vector<CRecipient>& recipients, const UniValue& options, CCoinControl& coinControl, bool override_min_fee)
508 : : {
509 : : // We want to make sure tx.vout is not used now that we are passing outputs as a vector of recipients.
510 : : // This sets us up to remove tx completely in a future PR in favor of passing the inputs directly.
511 : 0 : CHECK_NONFATAL(tx.vout.empty());
512 : : // Make sure the results are valid at least up to the most recent block
513 : : // the user could have gotten from another RPC command prior to now
514 : 0 : wallet.BlockUntilSyncedToCurrentChain();
515 : :
516 : 0 : std::optional<unsigned int> change_position;
517 : 0 : bool lockUnspents = false;
518 [ # # ]: 0 : if (!options.isNull()) {
519 [ # # ]: 0 : if (options.type() == UniValue::VBOOL) {
520 : : // backward compatibility bool only fallback
521 : 0 : coinControl.fAllowWatchOnly = options.get_bool();
522 : : }
523 : : else {
524 [ # # # # : 0 : RPCTypeCheckObj(options,
# # ]
525 : : {
526 [ # # ]: 0 : {"add_inputs", UniValueType(UniValue::VBOOL)},
527 [ # # ]: 0 : {"include_unsafe", UniValueType(UniValue::VBOOL)},
528 [ # # ]: 0 : {"add_to_wallet", UniValueType(UniValue::VBOOL)},
529 [ # # ]: 0 : {"changeAddress", UniValueType(UniValue::VSTR)},
530 [ # # ]: 0 : {"change_address", UniValueType(UniValue::VSTR)},
531 [ # # ]: 0 : {"changePosition", UniValueType(UniValue::VNUM)},
532 [ # # ]: 0 : {"change_position", UniValueType(UniValue::VNUM)},
533 [ # # ]: 0 : {"change_type", UniValueType(UniValue::VSTR)},
534 [ # # ]: 0 : {"includeWatching", UniValueType(UniValue::VBOOL)},
535 [ # # ]: 0 : {"include_watching", UniValueType(UniValue::VBOOL)},
536 [ # # ]: 0 : {"inputs", UniValueType(UniValue::VARR)},
537 [ # # ]: 0 : {"lockUnspents", UniValueType(UniValue::VBOOL)},
538 [ # # ]: 0 : {"lock_unspents", UniValueType(UniValue::VBOOL)},
539 [ # # ]: 0 : {"locktime", UniValueType(UniValue::VNUM)},
540 [ # # ]: 0 : {"fee_rate", UniValueType()}, // will be checked by AmountFromValue() in SetFeeEstimateMode()
541 [ # # ]: 0 : {"feeRate", UniValueType()}, // will be checked by AmountFromValue() below
542 [ # # ]: 0 : {"psbt", UniValueType(UniValue::VBOOL)},
543 [ # # ]: 0 : {"solving_data", UniValueType(UniValue::VOBJ)},
544 [ # # ]: 0 : {"subtractFeeFromOutputs", UniValueType(UniValue::VARR)},
545 [ # # ]: 0 : {"subtract_fee_from_outputs", UniValueType(UniValue::VARR)},
546 [ # # ]: 0 : {"replaceable", UniValueType(UniValue::VBOOL)},
547 [ # # ]: 0 : {"conf_target", UniValueType(UniValue::VNUM)},
548 [ # # ]: 0 : {"estimate_mode", UniValueType(UniValue::VSTR)},
549 [ # # ]: 0 : {"minconf", UniValueType(UniValue::VNUM)},
550 [ # # ]: 0 : {"maxconf", UniValueType(UniValue::VNUM)},
551 [ # # ]: 0 : {"input_weights", UniValueType(UniValue::VARR)},
552 [ # # ]: 0 : {"max_tx_weight", UniValueType(UniValue::VNUM)},
553 : : },
554 : : true, true);
555 : :
556 [ # # ]: 0 : if (options.exists("add_inputs")) {
557 [ # # # # ]: 0 : coinControl.m_allow_other_inputs = options["add_inputs"].get_bool();
558 : : }
559 : :
560 [ # # # # : 0 : if (options.exists("changeAddress") || options.exists("change_address")) {
# # # # #
# # # # #
# # ]
561 [ # # # # : 0 : const std::string change_address_str = (options.exists("change_address") ? options["change_address"] : options["changeAddress"]).get_str();
# # # # #
# # # # #
# # # # #
# # # ]
562 [ # # ]: 0 : CTxDestination dest = DecodeDestination(change_address_str);
563 : :
564 [ # # # # ]: 0 : if (!IsValidDestination(dest)) {
565 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Change address must be a valid bitcoin address");
566 : : }
567 : :
568 [ # # ]: 0 : coinControl.destChange = dest;
569 : 0 : }
570 : :
571 [ # # # # : 0 : if (options.exists("changePosition") || options.exists("change_position")) {
# # # # #
# # # # #
# # ]
572 [ # # # # : 0 : int pos = (options.exists("change_position") ? options["change_position"] : options["changePosition"]).getInt<int>();
# # # # #
# # # # #
# # # # #
# ]
573 [ # # # # ]: 0 : if (pos < 0 || (unsigned int)pos > recipients.size()) {
574 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "changePosition out of bounds");
575 : : }
576 : 0 : change_position = (unsigned int)pos;
577 : : }
578 : :
579 [ # # ]: 0 : if (options.exists("change_type")) {
580 [ # # # # : 0 : if (options.exists("changeAddress") || options.exists("change_address")) {
# # # # #
# # # # #
# # ]
581 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both change address and address type options");
582 : : }
583 [ # # # # : 0 : if (std::optional<OutputType> parsed = ParseOutputType(options["change_type"].get_str())) {
# # # # ]
584 [ # # ]: 0 : coinControl.m_change_type.emplace(parsed.value());
585 : : } else {
586 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown change type '%s'", options["change_type"].get_str()));
# # # # #
# ]
587 : : }
588 : : }
589 : :
590 [ # # # # : 0 : const UniValue include_watching_option = options.exists("include_watching") ? options["include_watching"] : options["includeWatching"];
# # # # #
# # # # #
# # # # #
# ]
591 [ # # ]: 0 : coinControl.fAllowWatchOnly = ParseIncludeWatchonly(include_watching_option, wallet);
592 : :
593 [ # # # # : 0 : if (options.exists("lockUnspents") || options.exists("lock_unspents")) {
# # # # #
# # # # #
# # ]
594 [ # # # # : 0 : lockUnspents = (options.exists("lock_unspents") ? options["lock_unspents"] : options["lockUnspents"]).get_bool();
# # # # #
# # # # #
# # # # #
# # # ]
595 : : }
596 : :
597 [ # # # # ]: 0 : if (options.exists("include_unsafe")) {
598 [ # # # # : 0 : coinControl.m_include_unsafe_inputs = options["include_unsafe"].get_bool();
# # ]
599 : : }
600 : :
601 [ # # # # ]: 0 : if (options.exists("feeRate")) {
602 [ # # # # ]: 0 : if (options.exists("fee_rate")) {
603 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both fee_rate (" + CURRENCY_ATOM + "/vB) and feeRate (" + CURRENCY_UNIT + "/kvB)");
# # ]
604 : : }
605 [ # # # # ]: 0 : if (options.exists("conf_target")) {
606 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both conf_target and feeRate. Please provide either a confirmation target in blocks for automatic fee estimation, or an explicit fee rate.");
607 : : }
608 [ # # # # ]: 0 : if (options.exists("estimate_mode")) {
609 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and feeRate");
610 : : }
611 [ # # # # : 0 : coinControl.m_feerate = CFeeRate(AmountFromValue(options["feeRate"]));
# # # # ]
612 : 0 : coinControl.fOverrideFeeRate = true;
613 : : }
614 : :
615 [ # # # # ]: 0 : if (options.exists("replaceable")) {
616 [ # # # # : 0 : coinControl.m_signal_bip125_rbf = options["replaceable"].get_bool();
# # ]
617 : : }
618 : :
619 [ # # # # ]: 0 : if (options.exists("minconf")) {
620 [ # # # # : 0 : coinControl.m_min_depth = options["minconf"].getInt<int>();
# # ]
621 : :
622 [ # # ]: 0 : if (coinControl.m_min_depth < 0) {
623 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Negative minconf");
624 : : }
625 : : }
626 : :
627 [ # # # # ]: 0 : if (options.exists("maxconf")) {
628 [ # # # # : 0 : coinControl.m_max_depth = options["maxconf"].getInt<int>();
# # ]
629 : :
630 [ # # ]: 0 : if (coinControl.m_max_depth < coinControl.m_min_depth) {
631 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("maxconf can't be lower than minconf: %d < %d", coinControl.m_max_depth, coinControl.m_min_depth));
632 : : }
633 : : }
634 [ # # # # : 0 : SetFeeEstimateMode(wallet, coinControl, options["conf_target"], options["estimate_mode"], options["fee_rate"], override_min_fee);
# # # # #
# # # #
# ]
635 : 0 : }
636 : : } else {
637 : : // if options is null and not a bool
638 : 0 : coinControl.fAllowWatchOnly = ParseIncludeWatchonly(NullUniValue, wallet);
639 : : }
640 : :
641 [ # # ]: 0 : if (options.exists("solving_data")) {
642 [ # # # # : 0 : const UniValue solving_data = options["solving_data"].get_obj();
# # ]
643 [ # # # # ]: 0 : if (solving_data.exists("pubkeys")) {
644 [ # # # # : 0 : for (const UniValue& pk_univ : solving_data["pubkeys"].get_array().getValues()) {
# # # # #
# ]
645 [ # # # # ]: 0 : const CPubKey pubkey = HexToPubKey(pk_univ.get_str());
646 [ # # # # ]: 0 : coinControl.m_external_provider.pubkeys.emplace(pubkey.GetID(), pubkey);
647 : : // Add witness script for pubkeys
648 [ # # # # ]: 0 : const CScript wit_script = GetScriptForDestination(WitnessV0KeyHash(pubkey));
649 [ # # # # ]: 0 : coinControl.m_external_provider.scripts.emplace(CScriptID(wit_script), wit_script);
650 : 0 : }
651 : : }
652 : :
653 [ # # # # ]: 0 : if (solving_data.exists("scripts")) {
654 [ # # # # : 0 : for (const UniValue& script_univ : solving_data["scripts"].get_array().getValues()) {
# # # # #
# ]
655 [ # # ]: 0 : const std::string& script_str = script_univ.get_str();
656 [ # # # # ]: 0 : if (!IsHex(script_str)) {
657 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' is not hex", script_str));
658 : : }
659 [ # # ]: 0 : std::vector<unsigned char> script_data(ParseHex(script_str));
660 : 0 : const CScript script(script_data.begin(), script_data.end());
661 [ # # # # ]: 0 : coinControl.m_external_provider.scripts.emplace(CScriptID(script), script);
662 : 0 : }
663 : : }
664 : :
665 [ # # # # ]: 0 : if (solving_data.exists("descriptors")) {
666 [ # # # # : 0 : for (const UniValue& desc_univ : solving_data["descriptors"].get_array().getValues()) {
# # # # #
# ]
667 [ # # ]: 0 : const std::string& desc_str = desc_univ.get_str();
668 : 0 : FlatSigningProvider desc_out;
669 [ # # ]: 0 : std::string error;
670 : 0 : std::vector<CScript> scripts_temp;
671 [ # # ]: 0 : auto descs = Parse(desc_str, desc_out, error, true);
672 [ # # ]: 0 : if (descs.empty()) {
673 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Unable to parse descriptor '%s': %s", desc_str, error));
674 : : }
675 [ # # ]: 0 : for (auto& desc : descs) {
676 [ # # ]: 0 : desc->Expand(0, desc_out, scripts_temp, desc_out);
677 : : }
678 [ # # ]: 0 : coinControl.m_external_provider.Merge(std::move(desc_out));
679 : 0 : }
680 : : }
681 : 0 : }
682 : :
683 [ # # ]: 0 : if (options.exists("input_weights")) {
684 [ # # # # : 0 : for (const UniValue& input : options["input_weights"].get_array().getValues()) {
# # # # ]
685 : 0 : Txid txid = Txid::FromUint256(ParseHashO(input, "txid"));
686 : :
687 : 0 : const UniValue& vout_v = input.find_value("vout");
688 [ # # ]: 0 : if (!vout_v.isNum()) {
689 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing vout key");
690 : : }
691 : 0 : int vout = vout_v.getInt<int>();
692 [ # # ]: 0 : if (vout < 0) {
693 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout cannot be negative");
694 : : }
695 : :
696 : 0 : const UniValue& weight_v = input.find_value("weight");
697 [ # # ]: 0 : if (!weight_v.isNum()) {
698 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing weight key");
699 : : }
700 : 0 : int64_t weight = weight_v.getInt<int64_t>();
701 : 0 : const int64_t min_input_weight = GetTransactionInputWeight(CTxIn());
702 : 0 : CHECK_NONFATAL(min_input_weight == 165);
703 [ # # ]: 0 : if (weight < min_input_weight) {
704 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, weight cannot be less than 165 (41 bytes (size of outpoint + sequence + empty scriptSig) * 4 (witness scaling factor)) + 1 (empty witness)");
705 : : }
706 [ # # ]: 0 : if (weight > MAX_STANDARD_TX_WEIGHT) {
707 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, weight cannot be greater than the maximum standard tx weight of %d", MAX_STANDARD_TX_WEIGHT));
708 : : }
709 : :
710 : 0 : coinControl.SetInputWeight(COutPoint(txid, vout), weight);
711 : : }
712 : : }
713 : :
714 [ # # ]: 0 : if (options.exists("max_tx_weight")) {
715 [ # # # # ]: 0 : coinControl.m_max_tx_weight = options["max_tx_weight"].getInt<int>();
716 : : }
717 : :
718 [ # # ]: 0 : if (recipients.empty())
719 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "TX must have at least one output");
720 : :
721 [ # # ]: 0 : auto txr = FundTransaction(wallet, tx, recipients, change_position, lockUnspents, coinControl);
722 [ # # ]: 0 : if (!txr) {
723 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, ErrorString(txr).original);
724 : : }
725 : 0 : return *txr;
726 [ # # # # : 0 : }
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727 : :
728 : 0 : static void SetOptionsInputWeights(const UniValue& inputs, UniValue& options)
729 : : {
730 [ # # ]: 0 : if (options.exists("input_weights")) {
731 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Input weights should be specified in inputs rather than in options.");
732 : : }
733 [ # # ]: 0 : if (inputs.size() == 0) {
734 : : return;
735 : : }
736 : 0 : UniValue weights(UniValue::VARR);
737 [ # # # # ]: 0 : for (const UniValue& input : inputs.getValues()) {
738 [ # # # # ]: 0 : if (input.exists("weight")) {
739 [ # # # # ]: 0 : weights.push_back(input);
740 : : }
741 : : }
742 [ # # # # ]: 0 : options.pushKV("input_weights", std::move(weights));
743 : 0 : }
744 : :
745 : 0 : RPCHelpMan fundrawtransaction()
746 : : {
747 : 0 : return RPCHelpMan{
748 : : "fundrawtransaction",
749 : : "If the transaction has no inputs, they will be automatically selected to meet its out value.\n"
750 : : "It will add at most one change output to the outputs.\n"
751 : : "No existing outputs will be modified unless \"subtractFeeFromOutputs\" is specified.\n"
752 : : "Note that inputs which were signed may need to be resigned after completion since in/outputs have been added.\n"
753 : : "The inputs added will not be signed, use signrawtransactionwithkey\n"
754 : : "or signrawtransactionwithwallet for that.\n"
755 : : "All existing inputs must either have their previous output transaction be in the wallet\n"
756 : : "or be in the UTXO set. Solving data must be provided for non-wallet inputs.\n"
757 : : "Note that all inputs selected must be of standard form and P2SH scripts must be\n"
758 : : "in the wallet using importdescriptors (to calculate fees).\n"
759 : : "You can see whether this is the case by checking the \"solvable\" field in the listunspent output.\n"
760 : : "Only pay-to-pubkey, multisig, and P2SH versions thereof are currently supported for watch-only.\n"
761 : : "Note that if specifying an exact fee rate, the resulting transaction may have a higher fee rate\n"
762 : : "if the transaction has unconfirmed inputs. This is because the wallet will attempt to make the\n"
763 : : "entire package have the given fee rate, not the resulting transaction.\n",
764 : : {
765 [ # # ]: 0 : {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex string of the raw transaction"},
766 [ # # ]: 0 : {"options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "For backward compatibility: passing in a true instead of an object will result in {\"includeWatching\":true}",
767 [ # # # # : 0 : Cat<std::vector<RPCArg>>(
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768 : : {
769 [ # # ]: 0 : {"add_inputs", RPCArg::Type::BOOL, RPCArg::Default{true}, "For a transaction with existing inputs, automatically include more if they are not enough."},
770 [ # # ]: 0 : {"include_unsafe", RPCArg::Type::BOOL, RPCArg::Default{false}, "Include inputs that are not safe to spend (unconfirmed transactions from outside keys and unconfirmed replacement transactions).\n"
771 : : "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n"
772 : : "If that happens, you will need to fund the transaction with different inputs and republish it."},
773 [ # # ]: 0 : {"minconf", RPCArg::Type::NUM, RPCArg::Default{0}, "If add_inputs is specified, require inputs with at least this many confirmations."},
774 [ # # ]: 0 : {"maxconf", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "If add_inputs is specified, require inputs with at most this many confirmations."},
775 [ # # ]: 0 : {"changeAddress", RPCArg::Type::STR, RPCArg::DefaultHint{"automatic"}, "The bitcoin address to receive the change"},
776 [ # # ]: 0 : {"changePosition", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"},
777 [ # # ]: 0 : {"change_type", RPCArg::Type::STR, RPCArg::DefaultHint{"set by -changetype"}, "The output type to use. Only valid if changeAddress is not specified. Options are \"legacy\", \"p2sh-segwit\", \"bech32\", and \"bech32m\"."},
778 [ # # ]: 0 : {"includeWatching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only.\n"
779 : : "Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,\n"
780 : : "e.g. with 'importdescriptors'."},
781 [ # # ]: 0 : {"lockUnspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"},
782 [ # # # # ]: 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
783 [ # # # # ]: 0 : {"feeRate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_UNIT + "/kvB."},
784 : 0 : {"subtractFeeFromOutputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The integers.\n"
785 : : "The fee will be equally deducted from the amount of each specified output.\n"
786 : : "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
787 : : "If no outputs are specified here, the sender pays the fee.",
788 : : {
789 [ # # ]: 0 : {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."},
790 : : },
791 : : },
792 [ # # ]: 0 : {"input_weights", RPCArg::Type::ARR, RPCArg::Optional::OMITTED, "Inputs and their corresponding weights",
793 : : {
794 [ # # ]: 0 : {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
795 : : {
796 [ # # ]: 0 : {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
797 [ # # ]: 0 : {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output index"},
798 [ # # ]: 0 : {"weight", RPCArg::Type::NUM, RPCArg::Optional::NO, "The maximum weight for this input, "
799 : : "including the weight of the outpoint and sequence number. "
800 : : "Note that serialized signature sizes are not guaranteed to be consistent, "
801 : : "so the maximum DER signatures size of 73 bytes should be used when considering ECDSA signatures."
802 : : "Remember to convert serialized sizes to weight units when necessary."},
803 : : },
804 : : },
805 : : },
806 : : },
807 [ # # ]: 0 : {"max_tx_weight", RPCArg::Type::NUM, RPCArg::Default{MAX_STANDARD_TX_WEIGHT}, "The maximum acceptable transaction weight.\n"
808 : : "Transaction building will fail if this can not be satisfied."},
809 : : },
810 [ # # ]: 0 : FundTxDoc()),
811 [ # # # # ]: 0 : RPCArgOptions{
812 : : .skip_type_check = true,
813 : : .oneline_description = "options",
814 : : }},
815 [ # # ]: 0 : {"iswitness", RPCArg::Type::BOOL, RPCArg::DefaultHint{"depends on heuristic tests"}, "Whether the transaction hex is a serialized witness transaction.\n"
816 : : "If iswitness is not present, heuristic tests will be used in decoding.\n"
817 : : "If true, only witness deserialization will be tried.\n"
818 : : "If false, only non-witness deserialization will be tried.\n"
819 : : "This boolean should reflect whether the transaction has inputs\n"
820 : : "(e.g. fully valid, or on-chain transactions), if known by the caller."
821 : : },
822 : : },
823 : 0 : RPCResult{
824 : : RPCResult::Type::OBJ, "", "",
825 : : {
826 : : {RPCResult::Type::STR_HEX, "hex", "The resulting raw transaction (hex-encoded string)"},
827 [ # # ]: 0 : {RPCResult::Type::STR_AMOUNT, "fee", "Fee in " + CURRENCY_UNIT + " the resulting transaction pays"},
828 : : {RPCResult::Type::NUM, "changepos", "The position of the added change output, or -1"},
829 : : }
830 [ # # # # : 0 : },
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831 : 0 : RPCExamples{
832 : : "\nCreate a transaction with no inputs\n"
833 [ # # # # : 0 : + HelpExampleCli("createrawtransaction", "\"[]\" \"{\\\"myaddress\\\":0.01}\"") +
# # # # ]
834 : 0 : "\nAdd sufficient unsigned inputs to meet the output value\n"
835 [ # # # # : 0 : + HelpExampleCli("fundrawtransaction", "\"rawtransactionhex\"") +
# # # # ]
836 : 0 : "\nSign the transaction\n"
837 [ # # # # : 0 : + HelpExampleCli("signrawtransactionwithwallet", "\"fundedtransactionhex\"") +
# # # # ]
838 : 0 : "\nSend the transaction\n"
839 [ # # # # : 0 : + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"")
# # # # ]
840 [ # # ]: 0 : },
841 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
842 : : {
843 : 0 : std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
844 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
845 : :
846 : : // parse hex string from parameter
847 [ # # ]: 0 : CMutableTransaction tx;
848 [ # # # # : 0 : bool try_witness = request.params[2].isNull() ? true : request.params[2].get_bool();
# # # # ]
849 [ # # # # : 0 : bool try_no_witness = request.params[2].isNull() ? true : !request.params[2].get_bool();
# # # # ]
850 [ # # # # : 0 : if (!DecodeHexTx(tx, request.params[0].get_str(), try_no_witness, try_witness)) {
# # # # ]
851 [ # # # # ]: 0 : throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
852 : : }
853 [ # # # # ]: 0 : UniValue options = request.params[1];
854 : 0 : std::vector<std::pair<CTxDestination, CAmount>> destinations;
855 [ # # ]: 0 : for (const auto& tx_out : tx.vout) {
856 : 0 : CTxDestination dest;
857 [ # # ]: 0 : ExtractDestination(tx_out.scriptPubKey, dest);
858 [ # # ]: 0 : destinations.emplace_back(dest, tx_out.nValue);
859 : 0 : }
860 [ # # # # ]: 0 : std::vector<std::string> dummy(destinations.size(), "dummy");
861 [ # # ]: 0 : std::vector<CRecipient> recipients = CreateRecipients(
862 : : destinations,
863 [ # # # # : 0 : InterpretSubtractFeeFromOutputInstructions(options["subtractFeeFromOutputs"], dummy)
# # ]
864 [ # # ]: 0 : );
865 [ # # ]: 0 : CCoinControl coin_control;
866 : : // Automatically select (additional) coins. Can be overridden by options.add_inputs.
867 : 0 : coin_control.m_allow_other_inputs = true;
868 : : // Clear tx.vout since it is not meant to be used now that we are passing outputs directly.
869 : : // This sets us up for a future PR to completely remove tx from the function signature in favor of passing inputs directly
870 : 0 : tx.vout.clear();
871 [ # # ]: 0 : auto txr = FundTransaction(*pwallet, tx, recipients, options, coin_control, /*override_min_fee=*/true);
872 : :
873 : 0 : UniValue result(UniValue::VOBJ);
874 [ # # # # : 0 : result.pushKV("hex", EncodeHexTx(*txr.tx));
# # # # ]
875 [ # # # # : 0 : result.pushKV("fee", ValueFromAmount(txr.fee));
# # ]
876 [ # # # # : 0 : result.pushKV("changepos", txr.change_pos ? (int)*txr.change_pos : -1);
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877 : :
878 : 0 : return result;
879 [ # # ]: 0 : },
880 [ # # # # : 0 : };
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881 [ # # # # : 0 : }
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882 : :
883 : 0 : RPCHelpMan signrawtransactionwithwallet()
884 : : {
885 : 0 : return RPCHelpMan{
886 : : "signrawtransactionwithwallet",
887 : : "Sign inputs for raw transaction (serialized, hex-encoded).\n"
888 : : "The second optional argument (may be null) is an array of previous transaction outputs that\n"
889 : 0 : "this transaction depends on but may not yet be in the block chain." +
890 [ # # ]: 0 : HELP_REQUIRING_PASSPHRASE,
891 : : {
892 [ # # ]: 0 : {"hexstring", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction hex string"},
893 [ # # ]: 0 : {"prevtxs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED, "The previous dependent transaction outputs",
894 : : {
895 [ # # ]: 0 : {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
896 : : {
897 [ # # ]: 0 : {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
898 [ # # ]: 0 : {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
899 [ # # ]: 0 : {"scriptPubKey", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The output script"},
900 [ # # ]: 0 : {"redeemScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2SH) redeem script"},
901 [ # # ]: 0 : {"witnessScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2WSH or P2SH-P2WSH) witness script"},
902 [ # # ]: 0 : {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::OMITTED, "(required for Segwit inputs) the amount spent"},
903 : : },
904 : : },
905 : : },
906 : : },
907 [ # # ]: 0 : {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT for Taproot, ALL otherwise"}, "The signature hash type. Must be one of\n"
908 : : " \"DEFAULT\"\n"
909 : : " \"ALL\"\n"
910 : : " \"NONE\"\n"
911 : : " \"SINGLE\"\n"
912 : : " \"ALL|ANYONECANPAY\"\n"
913 : : " \"NONE|ANYONECANPAY\"\n"
914 : : " \"SINGLE|ANYONECANPAY\""},
915 : : },
916 : 0 : RPCResult{
917 : : RPCResult::Type::OBJ, "", "",
918 : : {
919 : : {RPCResult::Type::STR_HEX, "hex", "The hex-encoded raw transaction with signature(s)"},
920 : : {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
921 : : {RPCResult::Type::ARR, "errors", /*optional=*/true, "Script verification errors (if there are any)",
922 : : {
923 : : {RPCResult::Type::OBJ, "", "",
924 : : {
925 : : {RPCResult::Type::STR_HEX, "txid", "The hash of the referenced, previous transaction"},
926 : : {RPCResult::Type::NUM, "vout", "The index of the output to spent and used as input"},
927 : : {RPCResult::Type::ARR, "witness", "",
928 : : {
929 : : {RPCResult::Type::STR_HEX, "witness", ""},
930 : : }},
931 : : {RPCResult::Type::STR_HEX, "scriptSig", "The hex-encoded signature script"},
932 : : {RPCResult::Type::NUM, "sequence", "Script sequence number"},
933 : : {RPCResult::Type::STR, "error", "Verification or signing error related to the input"},
934 : : }},
935 : : }},
936 : : }
937 [ # # # # : 0 : },
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938 : 0 : RPCExamples{
939 [ # # # # : 0 : HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"")
# # ]
940 [ # # # # : 0 : + HelpExampleRpc("signrawtransactionwithwallet", "\"myhex\"")
# # # # ]
941 [ # # ]: 0 : },
942 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
943 : : {
944 [ # # ]: 0 : const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
945 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
946 : :
947 [ # # ]: 0 : CMutableTransaction mtx;
948 [ # # # # : 0 : if (!DecodeHexTx(mtx, request.params[0].get_str())) {
# # # # ]
949 [ # # # # ]: 0 : throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input.");
950 : : }
951 : :
952 : : // Sign the transaction
953 [ # # ]: 0 : LOCK(pwallet->cs_wallet);
954 [ # # ]: 0 : EnsureWalletIsUnlocked(*pwallet);
955 : :
956 : : // Fetch previous transactions (inputs):
957 : 0 : std::map<COutPoint, Coin> coins;
958 [ # # ]: 0 : for (const CTxIn& txin : mtx.vin) {
959 [ # # ]: 0 : coins[txin.prevout]; // Create empty map entry keyed by prevout.
960 : : }
961 [ # # ]: 0 : pwallet->chain().findCoins(coins);
962 : :
963 : : // Parse the prevtxs array
964 [ # # # # ]: 0 : ParsePrevouts(request.params[1], nullptr, coins);
965 : :
966 [ # # # # ]: 0 : std::optional<int> nHashType = ParseSighashString(request.params[2]);
967 [ # # ]: 0 : if (!nHashType) {
968 : 0 : nHashType = SIGHASH_DEFAULT;
969 : : }
970 : :
971 : : // Script verification errors
972 [ # # ]: 0 : std::map<int, bilingual_str> input_errors;
973 : :
974 [ # # ]: 0 : bool complete = pwallet->SignTransaction(mtx, coins, *nHashType, input_errors);
975 : 0 : UniValue result(UniValue::VOBJ);
976 [ # # ]: 0 : SignTransactionResultToJSON(mtx, complete, coins, input_errors, result);
977 : 0 : return result;
978 [ # # ]: 0 : },
979 [ # # # # : 0 : };
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980 [ # # # # : 0 : }
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981 : :
982 : : // Definition of allowed formats of specifying transaction outputs in
983 : : // `bumpfee`, `psbtbumpfee`, `send` and `walletcreatefundedpsbt` RPCs.
984 : 0 : static std::vector<RPCArg> OutputsDoc()
985 : : {
986 : 0 : return
987 : : {
988 [ # # ]: 0 : {"", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::OMITTED, "",
989 : : {
990 [ # # ]: 0 : {"address", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "A key-value pair. The key (string) is the bitcoin address,\n"
991 : 0 : "the value (float or string) is the amount in " + CURRENCY_UNIT + ""},
992 : : },
993 : : },
994 [ # # ]: 0 : {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
995 : : {
996 [ # # ]: 0 : {"data", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A key-value pair. The key must be \"data\", the value is hex-encoded data that becomes a part of an OP_RETURN output"},
997 : : },
998 : : },
999 [ # # # # : 0 : };
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1000 [ # # # # : 0 : }
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1001 : :
1002 : 0 : static RPCHelpMan bumpfee_helper(std::string method_name)
1003 : : {
1004 : 0 : const bool want_psbt = method_name == "psbtbumpfee";
1005 : 0 : const std::string incremental_fee{CFeeRate(DEFAULT_INCREMENTAL_RELAY_FEE).ToString(FeeEstimateMode::SAT_VB)};
1006 : :
1007 : 0 : return RPCHelpMan{method_name,
1008 : : "Bumps the fee of a transaction T, replacing it with a new transaction B.\n"
1009 [ # # # # : 0 : + std::string(want_psbt ? "Returns a PSBT instead of creating and signing a new transaction.\n" : "") +
# # ]
1010 : : "A transaction with the given txid must be in the wallet.\n"
1011 : : "The command will pay the additional fee by reducing change outputs or adding inputs when necessary.\n"
1012 : : "It may add a new change output if one does not already exist.\n"
1013 : : "All inputs in the original transaction will be included in the replacement transaction.\n"
1014 : : "The command will fail if the wallet or mempool contains a transaction that spends one of T's outputs.\n"
1015 : : "By default, the new fee will be calculated automatically using the estimatesmartfee RPC.\n"
1016 : : "The user can specify a confirmation target for estimatesmartfee.\n"
1017 [ # # ]: 0 : "Alternatively, the user can specify a fee rate in " + CURRENCY_ATOM + "/vB for the new transaction.\n"
1018 : : "At a minimum, the new fee rate must be high enough to pay an additional new relay fee (incrementalfee\n"
1019 : : "returned by getnetworkinfo) to enter the node's mempool.\n"
1020 [ # # # # ]: 0 : "* WARNING: before version 0.21, fee_rate was in " + CURRENCY_UNIT + "/kvB. As of 0.21, fee_rate is in " + CURRENCY_ATOM + "/vB. *\n",
1021 : : {
1022 [ # # ]: 0 : {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The txid to be bumped"},
1023 [ # # ]: 0 : {"options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "",
1024 : : {
1025 [ # # ]: 0 : {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks\n"},
1026 [ # # ]: 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"},
1027 : 0 : "\nSpecify a fee rate in " + CURRENCY_ATOM + "/vB instead of relying on the built-in fee estimator.\n"
1028 [ # # ]: 0 : "Must be at least " + incremental_fee + " higher than the current transaction fee rate.\n"
1029 [ # # # # ]: 0 : "WARNING: before version 0.21, fee_rate was in " + CURRENCY_UNIT + "/kvB. As of 0.21, fee_rate is in " + CURRENCY_ATOM + "/vB.\n"},
1030 [ # # ]: 0 : {"replaceable", RPCArg::Type::BOOL, RPCArg::Default{true},
1031 : : "Whether the new transaction should be\n"
1032 : : "marked bip-125 replaceable. If true, the sequence numbers in the transaction will\n"
1033 : : "be set to 0xfffffffd. If false, any input sequence numbers in the\n"
1034 : : "transaction will be set to 0xfffffffe\n"
1035 : : "so the new transaction will not be explicitly bip-125 replaceable (though it may\n"
1036 : : "still be replaceable in practice, for example if it has unconfirmed ancestors which\n"
1037 : : "are replaceable).\n"},
1038 [ # # ]: 0 : {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
1039 [ # # # # ]: 0 : + FeeModesDetail(std::string("economical mode is used if the transaction is replaceable;\notherwise, conservative mode is used"))},
1040 : 0 : {"outputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The outputs specified as key-value pairs.\n"
1041 : : "Each key may only appear once, i.e. there can only be one 'data' output, and no address may be duplicated.\n"
1042 : : "At least one output of either type must be specified.\n"
1043 : : "Cannot be provided if 'original_change_index' is specified.",
1044 [ # # ]: 0 : OutputsDoc(),
1045 [ # # ]: 0 : RPCArgOptions{.skip_type_check = true}},
1046 [ # # ]: 0 : {"original_change_index", RPCArg::Type::NUM, RPCArg::DefaultHint{"not set, detect change automatically"}, "The 0-based index of the change output on the original transaction. "
1047 : : "The indicated output will be recycled into the new change output on the bumped transaction. "
1048 : : "The remainder after paying the recipients and fees will be sent to the output script of the "
1049 : : "original change output. The change output’s amount can increase if bumping the transaction "
1050 : : "adds new inputs, otherwise it will decrease. Cannot be used in combination with the 'outputs' option."},
1051 : : },
1052 [ # # # # ]: 0 : RPCArgOptions{.oneline_description="options"}},
1053 : : },
1054 : 0 : RPCResult{
1055 [ # # # # : 0 : RPCResult::Type::OBJ, "", "", Cat(
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1056 [ # # # # : 0 : want_psbt ?
# # # # #
# # # # #
# # # # #
# # # ]
1057 [ # # # # : 0 : std::vector<RPCResult>{{RPCResult::Type::STR, "psbt", "The base64-encoded unsigned PSBT of the new transaction."}} :
# # # # #
# # # # #
# # # # #
# ]
1058 [ # # # # : 0 : std::vector<RPCResult>{{RPCResult::Type::STR_HEX, "txid", "The id of the new transaction."}},
# # # # #
# # # # #
# # # # #
# ]
1059 : : {
1060 : : {RPCResult::Type::STR_AMOUNT, "origfee", "The fee of the replaced transaction."},
1061 : : {RPCResult::Type::STR_AMOUNT, "fee", "The fee of the new transaction."},
1062 : : {RPCResult::Type::ARR, "errors", "Errors encountered during processing (may be empty).",
1063 : : {
1064 : : {RPCResult::Type::STR, "", ""},
1065 : : }},
1066 : : })
1067 [ # # # # : 0 : },
# # ]
1068 : 0 : RPCExamples{
1069 [ # # # # : 0 : "\nBump the fee, get the new transaction\'s " + std::string(want_psbt ? "psbt" : "txid") + "\n" +
# # ]
1070 [ # # # # : 0 : HelpExampleCli(method_name, "<txid>")
# # ]
1071 : 0 : },
1072 [ # # ]: 0 : [want_psbt](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
1073 : : {
1074 : 0 : std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
1075 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
1076 : :
1077 [ # # # # : 0 : if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !pwallet->IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER) && !want_psbt) {
# # # # #
# ]
1078 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, "bumpfee is not available with wallets that have private keys disabled. Use psbtbumpfee instead.");
1079 : : }
1080 : :
1081 [ # # # # ]: 0 : Txid hash{Txid::FromUint256(ParseHashV(request.params[0], "txid"))};
1082 : :
1083 [ # # ]: 0 : CCoinControl coin_control;
1084 [ # # ]: 0 : coin_control.fAllowWatchOnly = pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
1085 : : // optional parameters
1086 [ # # ]: 0 : coin_control.m_signal_bip125_rbf = true;
1087 : 0 : std::vector<CTxOut> outputs;
1088 : :
1089 : 0 : std::optional<uint32_t> original_change_index;
1090 : :
1091 [ # # # # ]: 0 : if (!request.params[1].isNull()) {
1092 [ # # # # ]: 0 : UniValue options = request.params[1];
1093 [ # # # # : 0 : RPCTypeCheckObj(options,
# # ]
1094 : : {
1095 [ # # ]: 0 : {"confTarget", UniValueType(UniValue::VNUM)},
1096 [ # # ]: 0 : {"conf_target", UniValueType(UniValue::VNUM)},
1097 [ # # ]: 0 : {"fee_rate", UniValueType()}, // will be checked by AmountFromValue() in SetFeeEstimateMode()
1098 [ # # ]: 0 : {"replaceable", UniValueType(UniValue::VBOOL)},
1099 [ # # ]: 0 : {"estimate_mode", UniValueType(UniValue::VSTR)},
1100 [ # # ]: 0 : {"outputs", UniValueType()}, // will be checked by AddOutputs()
1101 [ # # ]: 0 : {"original_change_index", UniValueType(UniValue::VNUM)},
1102 : : },
1103 : : true, true);
1104 : :
1105 [ # # # # : 0 : if (options.exists("confTarget") && options.exists("conf_target")) {
# # # # #
# # # # #
# # ]
1106 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "confTarget and conf_target options should not both be set. Use conf_target (confTarget is deprecated).");
1107 : : }
1108 : :
1109 [ # # # # : 0 : auto conf_target = options.exists("confTarget") ? options["confTarget"] : options["conf_target"];
# # # # #
# # # # #
# # # # #
# # # ]
1110 : :
1111 [ # # # # ]: 0 : if (options.exists("replaceable")) {
1112 [ # # # # : 0 : coin_control.m_signal_bip125_rbf = options["replaceable"].get_bool();
# # ]
1113 : : }
1114 [ # # # # : 0 : SetFeeEstimateMode(*pwallet, coin_control, conf_target, options["estimate_mode"], options["fee_rate"], /*override_min_fee=*/false);
# # # # #
# ]
1115 : :
1116 : : // Prepare new outputs by creating a temporary tx and calling AddOutputs().
1117 [ # # # # : 0 : if (!options["outputs"].isNull()) {
# # ]
1118 [ # # # # : 0 : if (options["outputs"].isArray() && options["outputs"].empty()) {
# # # # #
# # # # #
# # ]
1119 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, output argument cannot be an empty array");
1120 : : }
1121 [ # # ]: 0 : CMutableTransaction tempTx;
1122 [ # # # # : 0 : AddOutputs(tempTx, options["outputs"]);
# # ]
1123 [ # # ]: 0 : outputs = tempTx.vout;
1124 : 0 : }
1125 : :
1126 [ # # # # ]: 0 : if (options.exists("original_change_index")) {
1127 [ # # # # : 0 : original_change_index = options["original_change_index"].getInt<uint32_t>();
# # ]
1128 : : }
1129 : 0 : }
1130 : :
1131 : : // Make sure the results are valid at least up to the most recent block
1132 : : // the user could have gotten from another RPC command prior to now
1133 [ # # ]: 0 : pwallet->BlockUntilSyncedToCurrentChain();
1134 : :
1135 [ # # ]: 0 : LOCK(pwallet->cs_wallet);
1136 : :
1137 [ # # ]: 0 : EnsureWalletIsUnlocked(*pwallet);
1138 : :
1139 : :
1140 : 0 : std::vector<bilingual_str> errors;
1141 : 0 : CAmount old_fee;
1142 : 0 : CAmount new_fee;
1143 [ # # ]: 0 : CMutableTransaction mtx;
1144 : 0 : feebumper::Result res;
1145 : : // Targeting feerate bump.
1146 [ # # ]: 0 : res = feebumper::CreateRateBumpTransaction(*pwallet, hash, coin_control, errors, old_fee, new_fee, mtx, /*require_mine=*/ !want_psbt, outputs, original_change_index);
1147 [ # # ]: 0 : if (res != feebumper::Result::OK) {
1148 [ # # # # : 0 : switch(res) {
# ]
1149 : 0 : case feebumper::Result::INVALID_ADDRESS_OR_KEY:
1150 [ # # ]: 0 : throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, errors[0].original);
1151 : 0 : break;
1152 : 0 : case feebumper::Result::INVALID_REQUEST:
1153 [ # # ]: 0 : throw JSONRPCError(RPC_INVALID_REQUEST, errors[0].original);
1154 : 0 : break;
1155 : 0 : case feebumper::Result::INVALID_PARAMETER:
1156 [ # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, errors[0].original);
1157 : 0 : break;
1158 : 0 : case feebumper::Result::WALLET_ERROR:
1159 [ # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, errors[0].original);
1160 : 0 : break;
1161 : 0 : default:
1162 [ # # ]: 0 : throw JSONRPCError(RPC_MISC_ERROR, errors[0].original);
1163 : 0 : break;
1164 : : }
1165 : : }
1166 : :
1167 : 0 : UniValue result(UniValue::VOBJ);
1168 : :
1169 : : // For bumpfee, return the new transaction id.
1170 : : // For psbtbumpfee, return the base64-encoded unsigned PSBT of the new transaction.
1171 [ # # ]: 0 : if (!want_psbt) {
1172 [ # # # # ]: 0 : if (!feebumper::SignTransaction(*pwallet, mtx)) {
1173 [ # # # # ]: 0 : if (pwallet->IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
1174 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, "Transaction incomplete. Try psbtbumpfee instead.");
1175 : : }
1176 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, "Can't sign transaction.");
1177 : : }
1178 : :
1179 [ # # ]: 0 : Txid txid;
1180 [ # # # # ]: 0 : if (feebumper::CommitTransaction(*pwallet, hash, std::move(mtx), errors, txid) != feebumper::Result::OK) {
1181 [ # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, errors[0].original);
1182 : : }
1183 : :
1184 [ # # # # : 0 : result.pushKV("txid", txid.GetHex());
# # # # ]
1185 : : } else {
1186 [ # # ]: 0 : PartiallySignedTransaction psbtx(mtx);
1187 : 0 : bool complete = false;
1188 [ # # ]: 0 : const auto err{pwallet->FillPSBT(psbtx, complete, std::nullopt, /*sign=*/false, /*bip32derivs=*/true)};
1189 [ # # ]: 0 : CHECK_NONFATAL(!err);
1190 [ # # ]: 0 : CHECK_NONFATAL(!complete);
1191 : 0 : DataStream ssTx{};
1192 [ # # ]: 0 : ssTx << psbtx;
1193 [ # # # # : 0 : result.pushKV("psbt", EncodeBase64(ssTx.str()));
# # # # #
# ]
1194 : 0 : }
1195 : :
1196 [ # # # # : 0 : result.pushKV("origfee", ValueFromAmount(old_fee));
# # ]
1197 [ # # # # : 0 : result.pushKV("fee", ValueFromAmount(new_fee));
# # ]
1198 : 0 : UniValue result_errors(UniValue::VARR);
1199 [ # # ]: 0 : for (const bilingual_str& error : errors) {
1200 [ # # # # ]: 0 : result_errors.push_back(error.original);
1201 : : }
1202 [ # # # # ]: 0 : result.pushKV("errors", std::move(result_errors));
1203 : :
1204 : 0 : return result;
1205 [ # # # # : 0 : },
# # # # #
# # # # #
# # # # #
# ]
1206 [ # # # # : 0 : };
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
1207 [ # # # # : 0 : }
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1208 : :
1209 [ # # ]: 0 : RPCHelpMan bumpfee() { return bumpfee_helper("bumpfee"); }
1210 [ # # ]: 0 : RPCHelpMan psbtbumpfee() { return bumpfee_helper("psbtbumpfee"); }
1211 : :
1212 : 0 : RPCHelpMan send()
1213 : : {
1214 : 0 : return RPCHelpMan{
1215 : : "send",
1216 : : "EXPERIMENTAL warning: this call may be changed in future releases.\n"
1217 : : "\nSend a transaction.\n",
1218 : : {
1219 [ # # ]: 0 : {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The outputs specified as key-value pairs.\n"
1220 : : "Each key may only appear once, i.e. there can only be one 'data' output, and no address may be duplicated.\n"
1221 : : "At least one output of either type must be specified.\n"
1222 : : "For convenience, a dictionary, which holds the key-value pairs directly, is also accepted.",
1223 [ # # ]: 0 : OutputsDoc(),
1224 [ # # ]: 0 : RPCArgOptions{.skip_type_check = true}},
1225 [ # # ]: 0 : {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"},
1226 [ # # ]: 0 : {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
1227 [ # # # # ]: 0 : + FeeModesDetail(std::string("economical mode is used if the transaction is replaceable;\notherwise, conservative mode is used"))},
1228 [ # # ]: 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
1229 [ # # ]: 0 : {"options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "",
1230 [ # # # # : 0 : Cat<std::vector<RPCArg>>(
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1231 : : {
1232 [ # # ]: 0 : {"add_inputs", RPCArg::Type::BOOL, RPCArg::DefaultHint{"false when \"inputs\" are specified, true otherwise"},"Automatically include coins from the wallet to cover the target amount.\n"},
1233 [ # # ]: 0 : {"include_unsafe", RPCArg::Type::BOOL, RPCArg::Default{false}, "Include inputs that are not safe to spend (unconfirmed transactions from outside keys and unconfirmed replacement transactions).\n"
1234 : : "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n"
1235 : : "If that happens, you will need to fund the transaction with different inputs and republish it."},
1236 [ # # ]: 0 : {"minconf", RPCArg::Type::NUM, RPCArg::Default{0}, "If add_inputs is specified, require inputs with at least this many confirmations."},
1237 [ # # ]: 0 : {"maxconf", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "If add_inputs is specified, require inputs with at most this many confirmations."},
1238 [ # # ]: 0 : {"add_to_wallet", RPCArg::Type::BOOL, RPCArg::Default{true}, "When false, returns a serialized transaction which will not be added to the wallet or broadcast"},
1239 [ # # ]: 0 : {"change_address", RPCArg::Type::STR, RPCArg::DefaultHint{"automatic"}, "The bitcoin address to receive the change"},
1240 [ # # ]: 0 : {"change_position", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"},
1241 [ # # ]: 0 : {"change_type", RPCArg::Type::STR, RPCArg::DefaultHint{"set by -changetype"}, "The output type to use. Only valid if change_address is not specified. Options are \"legacy\", \"p2sh-segwit\", \"bech32\" and \"bech32m\"."},
1242 [ # # # # : 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB.", RPCArgOptions{.also_positional = true}},
# # ]
1243 [ # # ]: 0 : {"include_watching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only.\n"
1244 : : "Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,\n"
1245 : : "e.g. with 'importdescriptors'."},
1246 : 0 : {"inputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Specify inputs instead of adding them automatically.",
1247 : : {
1248 [ # # ]: 0 : {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", {
1249 [ # # ]: 0 : {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
1250 [ # # ]: 0 : {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
1251 [ # # ]: 0 : {"sequence", RPCArg::Type::NUM, RPCArg::DefaultHint{"depends on the value of the 'replaceable' and 'locktime' arguments"}, "The sequence number"},
1252 [ # # ]: 0 : {"weight", RPCArg::Type::NUM, RPCArg::DefaultHint{"Calculated from wallet and solving data"}, "The maximum weight for this input, "
1253 : : "including the weight of the outpoint and sequence number. "
1254 : : "Note that signature sizes are not guaranteed to be consistent, "
1255 : : "so the maximum DER signatures size of 73 bytes should be used when considering ECDSA signatures."
1256 : : "Remember to convert serialized sizes to weight units when necessary."},
1257 : : }},
1258 : : },
1259 : : },
1260 [ # # ]: 0 : {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"},
1261 [ # # ]: 0 : {"lock_unspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"},
1262 [ # # ]: 0 : {"psbt", RPCArg::Type::BOOL, RPCArg::DefaultHint{"automatic"}, "Always return a PSBT, implies add_to_wallet=false."},
1263 : 0 : {"subtract_fee_from_outputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Outputs to subtract the fee from, specified as integer indices.\n"
1264 : : "The fee will be equally deducted from the amount of each specified output.\n"
1265 : : "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
1266 : : "If no outputs are specified here, the sender pays the fee.",
1267 : : {
1268 [ # # ]: 0 : {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."},
1269 : : },
1270 : : },
1271 [ # # ]: 0 : {"max_tx_weight", RPCArg::Type::NUM, RPCArg::Default{MAX_STANDARD_TX_WEIGHT}, "The maximum acceptable transaction weight.\n"
1272 : : "Transaction building will fail if this can not be satisfied."},
1273 : : },
1274 [ # # ]: 0 : FundTxDoc()),
1275 [ # # # # ]: 0 : RPCArgOptions{.oneline_description="options"}},
1276 : : },
1277 : 0 : RPCResult{
1278 : : RPCResult::Type::OBJ, "", "",
1279 : : {
1280 : : {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
1281 : : {RPCResult::Type::STR_HEX, "txid", /*optional=*/true, "The transaction id for the send. Only 1 transaction is created regardless of the number of addresses."},
1282 : : {RPCResult::Type::STR_HEX, "hex", /*optional=*/true, "If add_to_wallet is false, the hex-encoded raw transaction with signature(s)"},
1283 : : {RPCResult::Type::STR, "psbt", /*optional=*/true, "If more signatures are needed, or if add_to_wallet is false, the base64-encoded (partially) signed transaction"}
1284 : : }
1285 [ # # # # : 0 : },
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1286 : 0 : RPCExamples{""
1287 : : "\nSend 0.1 BTC with a confirmation target of 6 blocks in economical fee estimate mode\n"
1288 [ # # # # : 0 : + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 6 economical\n") +
# # # # ]
1289 [ # # ]: 0 : "Send 0.2 BTC with a fee rate of 1.1 " + CURRENCY_ATOM + "/vB using positional arguments\n"
1290 [ # # # # : 0 : + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.2}' null \"unset\" 1.1\n") +
# # # # ]
1291 [ # # ]: 0 : "Send 0.2 BTC with a fee rate of 1 " + CURRENCY_ATOM + "/vB using the options argument\n"
1292 [ # # # # : 0 : + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.2}' null \"unset\" null '{\"fee_rate\": 1}'\n") +
# # # # ]
1293 [ # # ]: 0 : "Send 0.3 BTC with a fee rate of 25 " + CURRENCY_ATOM + "/vB using named arguments\n"
1294 [ # # # # : 0 : + HelpExampleCli("-named send", "outputs='{\"" + EXAMPLE_ADDRESS[0] + "\": 0.3}' fee_rate=25\n") +
# # # # ]
1295 : 0 : "Create a transaction that should confirm the next block, with a specific input, and return result without adding to wallet or broadcasting to the network\n"
1296 [ # # # # : 0 : + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 1 economical '{\"add_to_wallet\": false, \"inputs\": [{\"txid\":\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\", \"vout\":1}]}'")
# # # # ]
1297 [ # # ]: 0 : },
1298 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
1299 : : {
1300 : 0 : std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
1301 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
1302 : :
1303 [ # # # # : 0 : UniValue options{request.params[4].isNull() ? UniValue::VOBJ : request.params[4]};
# # # # ]
1304 [ # # # # : 0 : InterpretFeeEstimationInstructions(/*conf_target=*/request.params[1], /*estimate_mode=*/request.params[2], /*fee_rate=*/request.params[3], options);
# # # # ]
1305 [ # # ]: 0 : PreventOutdatedOptions(options);
1306 : :
1307 : :
1308 [ # # # # : 0 : bool rbf{options.exists("replaceable") ? options["replaceable"].get_bool() : pwallet->m_signal_rbf};
# # # # #
# ]
1309 : 0 : UniValue outputs(UniValue::VOBJ);
1310 [ # # # # ]: 0 : outputs = NormalizeOutputs(request.params[0]);
1311 : 0 : std::vector<CRecipient> recipients = CreateRecipients(
1312 [ # # ]: 0 : ParseOutputs(outputs),
1313 [ # # # # : 0 : InterpretSubtractFeeFromOutputInstructions(options["subtract_fee_from_outputs"], outputs.getKeys())
# # # # ]
1314 [ # # ]: 0 : );
1315 [ # # # # : 0 : CMutableTransaction rawTx = ConstructTransaction(options["inputs"], request.params[0], options["locktime"], rbf);
# # # # #
# # # ]
1316 [ # # ]: 0 : CCoinControl coin_control;
1317 : : // Automatically select coins, unless at least one is manually selected. Can
1318 : : // be overridden by options.add_inputs.
1319 [ # # ]: 0 : coin_control.m_allow_other_inputs = rawTx.vin.size() == 0;
1320 [ # # # # ]: 0 : if (options.exists("max_tx_weight")) {
1321 [ # # # # : 0 : coin_control.m_max_tx_weight = options["max_tx_weight"].getInt<int>();
# # ]
1322 : : }
1323 [ # # # # : 0 : SetOptionsInputWeights(options["inputs"], options);
# # ]
1324 : : // Clear tx.vout since it is not meant to be used now that we are passing outputs directly.
1325 : : // This sets us up for a future PR to completely remove tx from the function signature in favor of passing inputs directly
1326 : 0 : rawTx.vout.clear();
1327 [ # # ]: 0 : auto txr = FundTransaction(*pwallet, rawTx, recipients, options, coin_control, /*override_min_fee=*/false);
1328 : :
1329 [ # # # # : 0 : return FinishTransaction(pwallet, options, CMutableTransaction(*txr.tx));
# # ]
1330 : 0 : }
1331 [ # # # # : 0 : };
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1332 [ # # # # : 0 : }
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
1333 : :
1334 : 0 : RPCHelpMan sendall()
1335 : : {
1336 : 0 : return RPCHelpMan{"sendall",
1337 : : "EXPERIMENTAL warning: this call may be changed in future releases.\n"
1338 : : "\nSpend the value of all (or specific) confirmed UTXOs and unconfirmed change in the wallet to one or more recipients.\n"
1339 : : "Unconfirmed inbound UTXOs and locked UTXOs will not be spent. Sendall will respect the avoid_reuse wallet flag.\n"
1340 : : "If your wallet contains many small inputs, either because it received tiny payments or as a result of accumulating change, consider using `send_max` to exclude inputs that are worth less than the fees needed to spend them.\n",
1341 : : {
1342 [ # # ]: 0 : {"recipients", RPCArg::Type::ARR, RPCArg::Optional::NO, "The sendall destinations. Each address may only appear once.\n"
1343 : : "Optionally some recipients can be specified with an amount to perform payments, but at least one address must appear without a specified amount.\n",
1344 : : {
1345 [ # # ]: 0 : {"address", RPCArg::Type::STR, RPCArg::Optional::NO, "A bitcoin address which receives an equal share of the unspecified amount."},
1346 [ # # ]: 0 : {"", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::OMITTED, "",
1347 : : {
1348 [ # # ]: 0 : {"address", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "A key-value pair. The key (string) is the bitcoin address, the value (float or string) is the amount in " + CURRENCY_UNIT + ""},
1349 : : },
1350 : : },
1351 : : },
1352 : : },
1353 [ # # ]: 0 : {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"},
1354 [ # # ]: 0 : {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n"
1355 [ # # # # ]: 0 : + FeeModesDetail(std::string("economical mode is used if the transaction is replaceable;\notherwise, conservative mode is used"))},
1356 [ # # ]: 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
1357 : : {
1358 [ # # ]: 0 : "options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "",
1359 [ # # # # : 0 : Cat<std::vector<RPCArg>>(
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
1360 : : {
1361 [ # # ]: 0 : {"add_to_wallet", RPCArg::Type::BOOL, RPCArg::Default{true}, "When false, returns the serialized transaction without broadcasting or adding it to the wallet"},
1362 [ # # # # : 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB.", RPCArgOptions{.also_positional = true}},
# # ]
1363 [ # # ]: 0 : {"include_watching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch-only.\n"
1364 : : "Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,\n"
1365 : : "e.g. with 'importdescriptors'."},
1366 : 0 : {"inputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Use exactly the specified inputs to build the transaction. Specifying inputs is incompatible with the send_max, minconf, and maxconf options.",
1367 : : {
1368 [ # # ]: 0 : {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
1369 : : {
1370 [ # # ]: 0 : {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
1371 [ # # ]: 0 : {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
1372 [ # # ]: 0 : {"sequence", RPCArg::Type::NUM, RPCArg::DefaultHint{"depends on the value of the 'replaceable' and 'locktime' arguments"}, "The sequence number"},
1373 : : },
1374 : : },
1375 : : },
1376 : : },
1377 [ # # ]: 0 : {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"},
1378 [ # # ]: 0 : {"lock_unspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"},
1379 [ # # ]: 0 : {"psbt", RPCArg::Type::BOOL, RPCArg::DefaultHint{"automatic"}, "Always return a PSBT, implies add_to_wallet=false."},
1380 [ # # ]: 0 : {"send_max", RPCArg::Type::BOOL, RPCArg::Default{false}, "When true, only use UTXOs that can pay for their own fees to maximize the output amount. When 'false' (default), no UTXO is left behind. send_max is incompatible with providing specific inputs."},
1381 [ # # ]: 0 : {"minconf", RPCArg::Type::NUM, RPCArg::Default{0}, "Require inputs with at least this many confirmations."},
1382 [ # # ]: 0 : {"maxconf", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "Require inputs with at most this many confirmations."},
1383 : : },
1384 [ # # ]: 0 : FundTxDoc()
1385 : : ),
1386 [ # # # # ]: 0 : RPCArgOptions{.oneline_description="options"}
1387 : : },
1388 : : },
1389 : 0 : RPCResult{
1390 : : RPCResult::Type::OBJ, "", "",
1391 : : {
1392 : : {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
1393 : : {RPCResult::Type::STR_HEX, "txid", /*optional=*/true, "The transaction id for the send. Only 1 transaction is created regardless of the number of addresses."},
1394 : : {RPCResult::Type::STR_HEX, "hex", /*optional=*/true, "If add_to_wallet is false, the hex-encoded raw transaction with signature(s)"},
1395 : : {RPCResult::Type::STR, "psbt", /*optional=*/true, "If more signatures are needed, or if add_to_wallet is false, the base64-encoded (partially) signed transaction"}
1396 : : }
1397 [ # # # # : 0 : },
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1398 : 0 : RPCExamples{""
1399 [ # # ]: 0 : "\nSpend all UTXOs from the wallet with a fee rate of 1Â " + CURRENCY_ATOM + "/vB using named arguments\n"
1400 [ # # # # : 0 : + HelpExampleCli("-named sendall", "recipients='[\"" + EXAMPLE_ADDRESS[0] + "\"]' fee_rate=1\n") +
# # # # ]
1401 [ # # ]: 0 : "Spend all UTXOs with a fee rate of 1.1 " + CURRENCY_ATOM + "/vB using positional arguments\n"
1402 [ # # # # : 0 : + HelpExampleCli("sendall", "'[\"" + EXAMPLE_ADDRESS[0] + "\"]' null \"unset\" 1.1\n") +
# # # # ]
1403 [ # # ]: 0 : "Spend all UTXOs split into equal amounts to two addresses with a fee rate of 1.5 " + CURRENCY_ATOM + "/vB using the options argument\n"
1404 [ # # # # : 0 : + HelpExampleCli("sendall", "'[\"" + EXAMPLE_ADDRESS[0] + "\", \"" + EXAMPLE_ADDRESS[1] + "\"]' null \"unset\" null '{\"fee_rate\": 1.5}'\n") +
# # # # #
# ]
1405 [ # # ]: 0 : "Leave dust UTXOs in wallet, spend only UTXOs with positive effective value with a fee rate of 10 " + CURRENCY_ATOM + "/vB using the options argument\n"
1406 [ # # # # : 0 : + HelpExampleCli("sendall", "'[\"" + EXAMPLE_ADDRESS[0] + "\"]' null \"unset\" null '{\"fee_rate\": 10, \"send_max\": true}'\n") +
# # # # ]
1407 [ # # # # ]: 0 : "Spend all UTXOs with a fee rate of 1.3 " + CURRENCY_ATOM + "/vB using named arguments and sending a 0.25 " + CURRENCY_UNIT + " to another recipient\n"
1408 [ # # # # : 0 : + HelpExampleCli("-named sendall", "recipients='[{\"" + EXAMPLE_ADDRESS[1] + "\": 0.25}, \""+ EXAMPLE_ADDRESS[0] + "\"]' fee_rate=1.3\n")
# # # # #
# ]
1409 [ # # ]: 0 : },
1410 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
1411 : : {
1412 : 0 : std::shared_ptr<CWallet> const pwallet{GetWalletForJSONRPCRequest(request)};
1413 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
1414 : : // Make sure the results are valid at least up to the most recent block
1415 : : // the user could have gotten from another RPC command prior to now
1416 [ # # ]: 0 : pwallet->BlockUntilSyncedToCurrentChain();
1417 : :
1418 [ # # # # : 0 : UniValue options{request.params[4].isNull() ? UniValue::VOBJ : request.params[4]};
# # # # ]
1419 [ # # # # : 0 : InterpretFeeEstimationInstructions(/*conf_target=*/request.params[1], /*estimate_mode=*/request.params[2], /*fee_rate=*/request.params[3], options);
# # # # ]
1420 [ # # ]: 0 : PreventOutdatedOptions(options);
1421 : :
1422 : :
1423 : 0 : std::set<std::string> addresses_without_amount;
1424 : 0 : UniValue recipient_key_value_pairs(UniValue::VARR);
1425 [ # # ]: 0 : const UniValue& recipients{request.params[0]};
1426 [ # # ]: 0 : for (unsigned int i = 0; i < recipients.size(); ++i) {
1427 [ # # ]: 0 : const UniValue& recipient{recipients[i]};
1428 [ # # ]: 0 : if (recipient.isStr()) {
1429 : 0 : UniValue rkvp(UniValue::VOBJ);
1430 [ # # # # : 0 : rkvp.pushKV(recipient.get_str(), 0);
# # # # ]
1431 [ # # ]: 0 : recipient_key_value_pairs.push_back(std::move(rkvp));
1432 [ # # # # ]: 0 : addresses_without_amount.insert(recipient.get_str());
1433 : 0 : } else {
1434 [ # # # # ]: 0 : recipient_key_value_pairs.push_back(recipient);
1435 : : }
1436 : : }
1437 : :
1438 [ # # ]: 0 : if (addresses_without_amount.size() == 0) {
1439 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Must provide at least one address without a specified amount");
1440 : : }
1441 : :
1442 [ # # ]: 0 : CCoinControl coin_control;
1443 : :
1444 [ # # # # : 0 : SetFeeEstimateMode(*pwallet, coin_control, options["conf_target"], options["estimate_mode"], options["fee_rate"], /*override_min_fee=*/false);
# # # # #
# # # #
# ]
1445 : :
1446 [ # # # # : 0 : coin_control.fAllowWatchOnly = ParseIncludeWatchonly(options["include_watching"], *pwallet);
# # ]
1447 : :
1448 [ # # # # ]: 0 : if (options.exists("minconf")) {
1449 [ # # # # : 0 : if (options["minconf"].getInt<int>() < 0)
# # # # ]
1450 : : {
1451 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid minconf (minconf cannot be negative): %s", options["minconf"].getInt<int>()));
# # # # #
# ]
1452 : : }
1453 : :
1454 [ # # # # : 0 : coin_control.m_min_depth = options["minconf"].getInt<int>();
# # ]
1455 : : }
1456 : :
1457 [ # # # # ]: 0 : if (options.exists("maxconf")) {
1458 [ # # # # : 0 : coin_control.m_max_depth = options["maxconf"].getInt<int>();
# # ]
1459 : :
1460 [ # # ]: 0 : if (coin_control.m_max_depth < coin_control.m_min_depth) {
1461 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("maxconf can't be lower than minconf: %d < %d", coin_control.m_max_depth, coin_control.m_min_depth));
1462 : : }
1463 : : }
1464 : :
1465 [ # # # # : 0 : const bool rbf{options.exists("replaceable") ? options["replaceable"].get_bool() : pwallet->m_signal_rbf};
# # # # #
# ]
1466 : :
1467 : 0 : FeeCalculation fee_calc_out;
1468 [ # # ]: 0 : CFeeRate fee_rate{GetMinimumFeeRate(*pwallet, coin_control, &fee_calc_out)};
1469 : : // Do not, ever, assume that it's fine to change the fee rate if the user has explicitly
1470 : : // provided one
1471 [ # # # # ]: 0 : if (coin_control.m_feerate && fee_rate > *coin_control.m_feerate) {
1472 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Fee rate (%s) is lower than the minimum fee rate setting (%s)", coin_control.m_feerate->ToString(FeeEstimateMode::SAT_VB), fee_rate.ToString(FeeEstimateMode::SAT_VB)));
# # # # ]
1473 : : }
1474 [ # # # # ]: 0 : if (fee_calc_out.reason == FeeReason::FALLBACK && !pwallet->m_allow_fallback_fee) {
1475 : : // eventually allow a fallback fee
1476 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, "Fee estimation failed. Fallbackfee is disabled. Wait a few blocks or enable -fallbackfee.");
1477 : : }
1478 : :
1479 [ # # # # : 0 : CMutableTransaction rawTx{ConstructTransaction(options["inputs"], recipient_key_value_pairs, options["locktime"], rbf)};
# # # # #
# ]
1480 [ # # ]: 0 : LOCK(pwallet->cs_wallet);
1481 : :
1482 : 0 : CAmount total_input_value(0);
1483 [ # # # # : 0 : bool send_max{options.exists("send_max") ? options["send_max"].get_bool() : false};
# # # # #
# ]
1484 [ # # # # : 0 : if (options.exists("inputs") && options.exists("send_max")) {
# # # # #
# # # # #
# # ]
1485 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot combine send_max with specific inputs.");
1486 [ # # # # : 0 : } else if (options.exists("inputs") && (options.exists("minconf") || options.exists("maxconf"))) {
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1487 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot combine minconf or maxconf with specific inputs.");
1488 [ # # # # ]: 0 : } else if (options.exists("inputs")) {
1489 [ # # ]: 0 : for (const CTxIn& input : rawTx.vin) {
1490 [ # # # # ]: 0 : if (pwallet->IsSpent(input.prevout)) {
1491 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Input not available. UTXO (%s:%d) was already spent.", input.prevout.hash.ToString(), input.prevout.n));
# # ]
1492 : : }
1493 [ # # ]: 0 : const CWalletTx* tx{pwallet->GetWalletTx(input.prevout.hash)};
1494 [ # # # # : 0 : if (!tx || input.prevout.n >= tx->tx->vout.size() || !(pwallet->IsMine(tx->tx->vout[input.prevout.n]) & (coin_control.fAllowWatchOnly ? ISMINE_ALL : ISMINE_SPENDABLE))) {
# # # # #
# ]
1495 [ # # # # : 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Input not found. UTXO (%s:%d) is not part of wallet.", input.prevout.hash.ToString(), input.prevout.n));
# # ]
1496 : : }
1497 : 0 : total_input_value += tx->tx->vout[input.prevout.n].nValue;
1498 : : }
1499 : : } else {
1500 : 0 : CoinFilterParams coins_params;
1501 : 0 : coins_params.min_amount = 0;
1502 [ # # # # : 0 : for (const COutput& output : AvailableCoins(*pwallet, &coin_control, fee_rate, coins_params).All()) {
# # ]
1503 [ # # ]: 0 : CHECK_NONFATAL(output.input_bytes > 0);
1504 [ # # # # : 0 : if (send_max && fee_rate.GetFee(output.input_bytes) > output.txout.nValue) {
# # ]
1505 : 0 : continue;
1506 : : }
1507 [ # # # # ]: 0 : CTxIn input(output.outpoint.hash, output.outpoint.n, CScript(), rbf ? MAX_BIP125_RBF_SEQUENCE : CTxIn::SEQUENCE_FINAL);
1508 [ # # ]: 0 : rawTx.vin.push_back(input);
1509 : 0 : total_input_value += output.txout.nValue;
1510 : 0 : }
1511 : : }
1512 : :
1513 : 0 : std::vector<COutPoint> outpoints_spent;
1514 [ # # ]: 0 : outpoints_spent.reserve(rawTx.vin.size());
1515 : :
1516 [ # # ]: 0 : for (const CTxIn& tx_in : rawTx.vin) {
1517 [ # # ]: 0 : outpoints_spent.push_back(tx_in.prevout);
1518 : : }
1519 : :
1520 : : // estimate final size of tx
1521 [ # # # # ]: 0 : const TxSize tx_size{CalculateMaximumSignedTxSize(CTransaction(rawTx), pwallet.get())};
1522 [ # # ]: 0 : const CAmount fee_from_size{fee_rate.GetFee(tx_size.vsize)};
1523 [ # # ]: 0 : const std::optional<CAmount> total_bump_fees{pwallet->chain().calculateCombinedBumpFee(outpoints_spent, fee_rate)};
1524 [ # # ]: 0 : CAmount effective_value = total_input_value - fee_from_size - total_bump_fees.value_or(0);
1525 : :
1526 [ # # ]: 0 : if (fee_from_size > pwallet->m_default_max_tx_fee) {
1527 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, TransactionErrorString(TransactionError::MAX_FEE_EXCEEDED).original);
1528 : : }
1529 : :
1530 [ # # ]: 0 : if (effective_value <= 0) {
1531 [ # # ]: 0 : if (send_max) {
1532 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Total value of UTXO pool too low to pay for transaction, try using lower feerate.");
1533 : : } else {
1534 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Total value of UTXO pool too low to pay for transaction. Try using lower feerate or excluding uneconomic UTXOs with 'send_max' option.");
1535 : : }
1536 : : }
1537 : :
1538 : : // If this transaction is too large, e.g. because the wallet has many UTXOs, it will be rejected by the node's mempool.
1539 [ # # ]: 0 : if (tx_size.weight > MAX_STANDARD_TX_WEIGHT) {
1540 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_ERROR, "Transaction too large.");
1541 : : }
1542 : :
1543 : 0 : CAmount output_amounts_claimed{0};
1544 [ # # ]: 0 : for (const CTxOut& out : rawTx.vout) {
1545 : 0 : output_amounts_claimed += out.nValue;
1546 : : }
1547 : :
1548 [ # # ]: 0 : if (output_amounts_claimed > total_input_value) {
1549 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Assigned more value to outputs than available funds.");
1550 : : }
1551 : :
1552 : 0 : const CAmount remainder{effective_value - output_amounts_claimed};
1553 [ # # ]: 0 : if (remainder < 0) {
1554 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Insufficient funds for fees after creating specified outputs.");
1555 : : }
1556 : :
1557 : 0 : const CAmount per_output_without_amount{remainder / (long)addresses_without_amount.size()};
1558 : :
1559 : 0 : bool gave_remaining_to_first{false};
1560 [ # # ]: 0 : for (CTxOut& out : rawTx.vout) {
1561 : 0 : CTxDestination dest;
1562 [ # # ]: 0 : ExtractDestination(out.scriptPubKey, dest);
1563 [ # # ]: 0 : std::string addr{EncodeDestination(dest)};
1564 [ # # ]: 0 : if (addresses_without_amount.count(addr) > 0) {
1565 : 0 : out.nValue = per_output_without_amount;
1566 [ # # ]: 0 : if (!gave_remaining_to_first) {
1567 : 0 : out.nValue += remainder % addresses_without_amount.size();
1568 : 0 : gave_remaining_to_first = true;
1569 : : }
1570 [ # # # # : 0 : if (IsDust(out, pwallet->chain().relayDustFee())) {
# # ]
1571 : : // Dynamically generated output amount is dust
1572 [ # # # # ]: 0 : throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Dynamically assigned remainder results in dust output.");
1573 : : }
1574 : : } else {
1575 [ # # # # : 0 : if (IsDust(out, pwallet->chain().relayDustFee())) {
# # ]
1576 : : // Specified output amount is dust
1577 [ # # # # ]: 0 : throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Specified output amount to %s is below dust threshold.", addr));
1578 : : }
1579 : : }
1580 : 0 : }
1581 : :
1582 [ # # # # : 0 : const bool lock_unspents{options.exists("lock_unspents") ? options["lock_unspents"].get_bool() : false};
# # # # #
# ]
1583 [ # # ]: 0 : if (lock_unspents) {
1584 [ # # ]: 0 : for (const CTxIn& txin : rawTx.vin) {
1585 [ # # ]: 0 : pwallet->LockCoin(txin.prevout);
1586 : : }
1587 : : }
1588 : :
1589 [ # # # # ]: 0 : return FinishTransaction(pwallet, options, rawTx);
1590 [ # # ]: 0 : }
1591 [ # # # # : 0 : };
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1592 [ # # # # : 0 : }
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1593 : :
1594 : 0 : RPCHelpMan walletprocesspsbt()
1595 : : {
1596 : 0 : return RPCHelpMan{
1597 : : "walletprocesspsbt",
1598 : : "Update a PSBT with input information from our wallet and then sign inputs\n"
1599 : 0 : "that we can sign for." +
1600 [ # # ]: 0 : HELP_REQUIRING_PASSPHRASE,
1601 : : {
1602 [ # # ]: 0 : {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction base64 string"},
1603 [ # # ]: 0 : {"sign", RPCArg::Type::BOOL, RPCArg::Default{true}, "Also sign the transaction when updating (requires wallet to be unlocked)"},
1604 [ # # ]: 0 : {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT for Taproot, ALL otherwise"}, "The signature hash type to sign with if not specified by the PSBT. Must be one of\n"
1605 : : " \"DEFAULT\"\n"
1606 : : " \"ALL\"\n"
1607 : : " \"NONE\"\n"
1608 : : " \"SINGLE\"\n"
1609 : : " \"ALL|ANYONECANPAY\"\n"
1610 : : " \"NONE|ANYONECANPAY\"\n"
1611 : : " \"SINGLE|ANYONECANPAY\""},
1612 [ # # ]: 0 : {"bip32derivs", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include BIP 32 derivation paths for public keys if we know them"},
1613 [ # # ]: 0 : {"finalize", RPCArg::Type::BOOL, RPCArg::Default{true}, "Also finalize inputs if possible"},
1614 : : },
1615 : 0 : RPCResult{
1616 : : RPCResult::Type::OBJ, "", "",
1617 : : {
1618 : : {RPCResult::Type::STR, "psbt", "The base64-encoded partially signed transaction"},
1619 : : {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
1620 : : {RPCResult::Type::STR_HEX, "hex", /*optional=*/true, "The hex-encoded network transaction if complete"},
1621 : : }
1622 [ # # # # : 0 : },
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
1623 : 0 : RPCExamples{
1624 [ # # # # : 0 : HelpExampleCli("walletprocesspsbt", "\"psbt\"")
# # ]
1625 [ # # ]: 0 : },
1626 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
1627 : : {
1628 [ # # ]: 0 : const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
1629 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
1630 : :
1631 [ # # ]: 0 : const CWallet& wallet{*pwallet};
1632 : : // Make sure the results are valid at least up to the most recent block
1633 : : // the user could have gotten from another RPC command prior to now
1634 [ # # ]: 0 : wallet.BlockUntilSyncedToCurrentChain();
1635 : :
1636 : : // Unserialize the transaction
1637 : 0 : PartiallySignedTransaction psbtx;
1638 [ # # ]: 0 : std::string error;
1639 [ # # # # : 0 : if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) {
# # # # ]
1640 [ # # # # ]: 0 : throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
1641 : : }
1642 : :
1643 : : // Get the sighash type
1644 [ # # # # ]: 0 : std::optional<int> nHashType = ParseSighashString(request.params[2]);
1645 : :
1646 : : // Fill transaction with our data and also sign
1647 [ # # # # : 0 : bool sign = request.params[1].isNull() ? true : request.params[1].get_bool();
# # # # ]
1648 [ # # # # : 0 : bool bip32derivs = request.params[3].isNull() ? true : request.params[3].get_bool();
# # # # ]
1649 [ # # # # : 0 : bool finalize = request.params[4].isNull() ? true : request.params[4].get_bool();
# # # # ]
1650 : 0 : bool complete = true;
1651 : :
1652 [ # # # # ]: 0 : if (sign) EnsureWalletIsUnlocked(*pwallet);
1653 : :
1654 [ # # ]: 0 : const auto err{wallet.FillPSBT(psbtx, complete, nHashType, sign, bip32derivs, nullptr, finalize)};
1655 [ # # ]: 0 : if (err) {
1656 [ # # ]: 0 : throw JSONRPCPSBTError(*err);
1657 : : }
1658 : :
1659 : 0 : UniValue result(UniValue::VOBJ);
1660 : 0 : DataStream ssTx{};
1661 [ # # ]: 0 : ssTx << psbtx;
1662 [ # # # # : 0 : result.pushKV("psbt", EncodeBase64(ssTx.str()));
# # # # #
# ]
1663 [ # # # # : 0 : result.pushKV("complete", complete);
# # ]
1664 [ # # ]: 0 : if (complete) {
1665 [ # # ]: 0 : CMutableTransaction mtx;
1666 : : // Returns true if complete, which we already think it is.
1667 [ # # # # ]: 0 : CHECK_NONFATAL(FinalizeAndExtractPSBT(psbtx, mtx));
1668 : 0 : DataStream ssTx_final;
1669 [ # # ]: 0 : ssTx_final << TX_WITH_WITNESS(mtx);
1670 [ # # # # : 0 : result.pushKV("hex", HexStr(ssTx_final));
# # # # ]
1671 : 0 : }
1672 : :
1673 : 0 : return result;
1674 : 0 : },
1675 [ # # # # : 0 : };
# # # # #
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# ]
1676 [ # # # # : 0 : }
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# ]
1677 : :
1678 : 0 : RPCHelpMan walletcreatefundedpsbt()
1679 : : {
1680 : 0 : return RPCHelpMan{
1681 : : "walletcreatefundedpsbt",
1682 : : "Creates and funds a transaction in the Partially Signed Transaction format.\n"
1683 : : "Implements the Creator and Updater roles.\n"
1684 : : "All existing inputs must either have their previous output transaction be in the wallet\n"
1685 : : "or be in the UTXO set. Solving data must be provided for non-wallet inputs.\n",
1686 : : {
1687 [ # # ]: 0 : {"inputs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED, "Leave empty to add inputs automatically. See add_inputs option.",
1688 : : {
1689 [ # # ]: 0 : {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
1690 : : {
1691 [ # # ]: 0 : {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
1692 [ # # ]: 0 : {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
1693 [ # # ]: 0 : {"sequence", RPCArg::Type::NUM, RPCArg::DefaultHint{"depends on the value of the 'locktime' and 'options.replaceable' arguments"}, "The sequence number"},
1694 [ # # ]: 0 : {"weight", RPCArg::Type::NUM, RPCArg::DefaultHint{"Calculated from wallet and solving data"}, "The maximum weight for this input, "
1695 : : "including the weight of the outpoint and sequence number. "
1696 : : "Note that signature sizes are not guaranteed to be consistent, "
1697 : : "so the maximum DER signatures size of 73 bytes should be used when considering ECDSA signatures."
1698 : : "Remember to convert serialized sizes to weight units when necessary."},
1699 : : },
1700 : : },
1701 : : },
1702 : : },
1703 [ # # ]: 0 : {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The outputs specified as key-value pairs.\n"
1704 : : "Each key may only appear once, i.e. there can only be one 'data' output, and no address may be duplicated.\n"
1705 : : "At least one output of either type must be specified.\n"
1706 : : "For compatibility reasons, a dictionary, which holds the key-value pairs directly, is also\n"
1707 : : "accepted as second parameter.",
1708 [ # # ]: 0 : OutputsDoc(),
1709 [ # # ]: 0 : RPCArgOptions{.skip_type_check = true}},
1710 [ # # ]: 0 : {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"},
1711 [ # # ]: 0 : {"options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "",
1712 [ # # # # : 0 : Cat<std::vector<RPCArg>>(
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1713 : : {
1714 [ # # ]: 0 : {"add_inputs", RPCArg::Type::BOOL, RPCArg::DefaultHint{"false when \"inputs\" are specified, true otherwise"}, "Automatically include coins from the wallet to cover the target amount.\n"},
1715 [ # # ]: 0 : {"include_unsafe", RPCArg::Type::BOOL, RPCArg::Default{false}, "Include inputs that are not safe to spend (unconfirmed transactions from outside keys and unconfirmed replacement transactions).\n"
1716 : : "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n"
1717 : : "If that happens, you will need to fund the transaction with different inputs and republish it."},
1718 [ # # ]: 0 : {"minconf", RPCArg::Type::NUM, RPCArg::Default{0}, "If add_inputs is specified, require inputs with at least this many confirmations."},
1719 [ # # ]: 0 : {"maxconf", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "If add_inputs is specified, require inputs with at most this many confirmations."},
1720 [ # # ]: 0 : {"changeAddress", RPCArg::Type::STR, RPCArg::DefaultHint{"automatic"}, "The bitcoin address to receive the change"},
1721 [ # # ]: 0 : {"changePosition", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"},
1722 [ # # ]: 0 : {"change_type", RPCArg::Type::STR, RPCArg::DefaultHint{"set by -changetype"}, "The output type to use. Only valid if changeAddress is not specified. Options are \"legacy\", \"p2sh-segwit\", \"bech32\", and \"bech32m\"."},
1723 [ # # ]: 0 : {"includeWatching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only"},
1724 [ # # ]: 0 : {"lockUnspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"},
1725 [ # # # # ]: 0 : {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
1726 [ # # # # ]: 0 : {"feeRate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_UNIT + "/kvB."},
1727 : 0 : {"subtractFeeFromOutputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The outputs to subtract the fee from.\n"
1728 : : "The fee will be equally deducted from the amount of each specified output.\n"
1729 : : "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
1730 : : "If no outputs are specified here, the sender pays the fee.",
1731 : : {
1732 [ # # ]: 0 : {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."},
1733 : : },
1734 : : },
1735 [ # # ]: 0 : {"max_tx_weight", RPCArg::Type::NUM, RPCArg::Default{MAX_STANDARD_TX_WEIGHT}, "The maximum acceptable transaction weight.\n"
1736 : : "Transaction building will fail if this can not be satisfied."},
1737 : : },
1738 [ # # ]: 0 : FundTxDoc()),
1739 [ # # # # ]: 0 : RPCArgOptions{.oneline_description="options"}},
1740 [ # # ]: 0 : {"bip32derivs", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include BIP 32 derivation paths for public keys if we know them"},
1741 : : },
1742 : 0 : RPCResult{
1743 : : RPCResult::Type::OBJ, "", "",
1744 : : {
1745 : : {RPCResult::Type::STR, "psbt", "The resulting raw transaction (base64-encoded string)"},
1746 [ # # ]: 0 : {RPCResult::Type::STR_AMOUNT, "fee", "Fee in " + CURRENCY_UNIT + " the resulting transaction pays"},
1747 : : {RPCResult::Type::NUM, "changepos", "The position of the added change output, or -1"},
1748 : : }
1749 [ # # # # : 0 : },
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1750 : 0 : RPCExamples{
1751 : : "\nCreate a PSBT with automatically picked inputs that sends 0.5 BTC to an address and has a fee rate of 2 sat/vB:\n"
1752 [ # # # # : 0 : + HelpExampleCli("walletcreatefundedpsbt", "\"[]\" \"[{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.5}]\" 0 \"{\\\"add_inputs\\\":true,\\\"fee_rate\\\":2}\"")
# # # # ]
1753 : 0 : + "\nCreate the same PSBT as the above one instead using named arguments:\n"
1754 [ # # # # : 0 : + HelpExampleCli("-named walletcreatefundedpsbt", "outputs=\"[{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.5}]\" add_inputs=true fee_rate=2")
# # # # ]
1755 [ # # ]: 0 : },
1756 : 0 : [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
1757 : : {
1758 : 0 : std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
1759 [ # # ]: 0 : if (!pwallet) return UniValue::VNULL;
1760 : :
1761 [ # # ]: 0 : CWallet& wallet{*pwallet};
1762 : : // Make sure the results are valid at least up to the most recent block
1763 : : // the user could have gotten from another RPC command prior to now
1764 [ # # ]: 0 : wallet.BlockUntilSyncedToCurrentChain();
1765 : :
1766 [ # # # # : 0 : UniValue options{request.params[3].isNull() ? UniValue::VOBJ : request.params[3]};
# # # # ]
1767 : :
1768 [ # # # # ]: 0 : const UniValue &replaceable_arg = options["replaceable"];
1769 [ # # # # ]: 0 : const bool rbf{replaceable_arg.isNull() ? wallet.m_signal_rbf : replaceable_arg.get_bool()};
1770 [ # # # # : 0 : CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf);
# # # # ]
1771 : 0 : UniValue outputs(UniValue::VOBJ);
1772 [ # # # # ]: 0 : outputs = NormalizeOutputs(request.params[1]);
1773 : 0 : std::vector<CRecipient> recipients = CreateRecipients(
1774 [ # # ]: 0 : ParseOutputs(outputs),
1775 [ # # # # : 0 : InterpretSubtractFeeFromOutputInstructions(options["subtractFeeFromOutputs"], outputs.getKeys())
# # # # ]
1776 [ # # ]: 0 : );
1777 [ # # ]: 0 : CCoinControl coin_control;
1778 : : // Automatically select coins, unless at least one is manually selected. Can
1779 : : // be overridden by options.add_inputs.
1780 [ # # ]: 0 : coin_control.m_allow_other_inputs = rawTx.vin.size() == 0;
1781 [ # # # # ]: 0 : SetOptionsInputWeights(request.params[0], options);
1782 : : // Clear tx.vout since it is not meant to be used now that we are passing outputs directly.
1783 : : // This sets us up for a future PR to completely remove tx from the function signature in favor of passing inputs directly
1784 : 0 : rawTx.vout.clear();
1785 [ # # ]: 0 : auto txr = FundTransaction(wallet, rawTx, recipients, options, coin_control, /*override_min_fee=*/true);
1786 : :
1787 : : // Make a blank psbt
1788 [ # # # # ]: 0 : PartiallySignedTransaction psbtx(CMutableTransaction(*txr.tx));
1789 : :
1790 : : // Fill transaction with out data but don't sign
1791 [ # # # # : 0 : bool bip32derivs = request.params[4].isNull() ? true : request.params[4].get_bool();
# # # # ]
1792 : 0 : bool complete = true;
1793 [ # # ]: 0 : const auto err{wallet.FillPSBT(psbtx, complete, std::nullopt, /*sign=*/false, /*bip32derivs=*/bip32derivs)};
1794 [ # # ]: 0 : if (err) {
1795 [ # # ]: 0 : throw JSONRPCPSBTError(*err);
1796 : : }
1797 : :
1798 : : // Serialize the PSBT
1799 : 0 : DataStream ssTx{};
1800 [ # # ]: 0 : ssTx << psbtx;
1801 : :
1802 : 0 : UniValue result(UniValue::VOBJ);
1803 [ # # # # : 0 : result.pushKV("psbt", EncodeBase64(ssTx.str()));
# # # # #
# ]
1804 [ # # # # : 0 : result.pushKV("fee", ValueFromAmount(txr.fee));
# # ]
1805 [ # # # # : 0 : result.pushKV("changepos", txr.change_pos ? (int)*txr.change_pos : -1);
# # # # ]
1806 : 0 : return result;
1807 [ # # ]: 0 : },
1808 [ # # # # : 0 : };
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1809 [ # # # # : 0 : }
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1810 : : } // namespace wallet
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