diff options
author | Samuel Dobson <dobsonsa68@gmail.com> | 2021-12-01 16:40:55 +1300 |
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committer | Samuel Dobson <dobsonsa68@gmail.com> | 2021-12-08 11:45:21 +1300 |
commit | 8e30875fde99f5c03785fd5e1af929b194b3ffcf (patch) | |
tree | a99184d2b50c4a1c6ba794dbfee47fce6eb1521d /src/wallet | |
parent | 9ce521a61bb7db3c881fbb3534472a60985e19d6 (diff) | |
download | bitcoin-8e30875fde99f5c03785fd5e1af929b194b3ffcf.tar.xz |
MOVEONLY: Move spending RPCs to spend.cpp
Diffstat (limited to 'src/wallet')
-rw-r--r-- | src/wallet/rpc/spend.cpp | 1369 | ||||
-rw-r--r-- | src/wallet/rpcwallet.cpp | 1366 |
2 files changed, 1380 insertions, 1355 deletions
diff --git a/src/wallet/rpc/spend.cpp b/src/wallet/rpc/spend.cpp new file mode 100644 index 0000000000..a22c175032 --- /dev/null +++ b/src/wallet/rpc/spend.cpp @@ -0,0 +1,1369 @@ +// Copyright (c) 2011-2021 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include <core_io.h> +#include <key_io.h> +#include <policy/policy.h> +#include <rpc/rawtransaction_util.h> +#include <rpc/util.h> +#include <util/fees.h> +#include <util/translation.h> +#include <util/vector.h> +#include <wallet/coincontrol.h> +#include <wallet/feebumper.h> +#include <wallet/rpc/util.h> +#include <wallet/spend.h> +#include <wallet/wallet.h> + +#include <univalue.h> + + +static void ParseRecipients(const UniValue& address_amounts, const UniValue& subtract_fee_outputs, std::vector<CRecipient> &recipients) { + std::set<CTxDestination> destinations; + int i = 0; + for (const std::string& address: address_amounts.getKeys()) { + CTxDestination dest = DecodeDestination(address); + if (!IsValidDestination(dest)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Bitcoin address: ") + address); + } + + if (destinations.count(dest)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ") + address); + } + destinations.insert(dest); + + CScript script_pub_key = GetScriptForDestination(dest); + CAmount amount = AmountFromValue(address_amounts[i++]); + + bool subtract_fee = false; + for (unsigned int idx = 0; idx < subtract_fee_outputs.size(); idx++) { + const UniValue& addr = subtract_fee_outputs[idx]; + if (addr.get_str() == address) { + subtract_fee = true; + } + } + + CRecipient recipient = {script_pub_key, amount, subtract_fee}; + recipients.push_back(recipient); + } +} + +UniValue SendMoney(CWallet& wallet, const CCoinControl &coin_control, std::vector<CRecipient> &recipients, mapValue_t map_value, bool verbose) +{ + EnsureWalletIsUnlocked(wallet); + + // This function is only used by sendtoaddress and sendmany. + // This should always try to sign, if we don't have private keys, don't try to do anything here. + if (wallet.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet"); + } + + // Shuffle recipient list + std::shuffle(recipients.begin(), recipients.end(), FastRandomContext()); + + // Send + CAmount nFeeRequired = 0; + int nChangePosRet = -1; + bilingual_str error; + CTransactionRef tx; + FeeCalculation fee_calc_out; + const bool fCreated = CreateTransaction(wallet, recipients, tx, nFeeRequired, nChangePosRet, error, coin_control, fee_calc_out, true); + if (!fCreated) { + throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, error.original); + } + wallet.CommitTransaction(tx, std::move(map_value), {} /* orderForm */); + if (verbose) { + UniValue entry(UniValue::VOBJ); + entry.pushKV("txid", tx->GetHash().GetHex()); + entry.pushKV("fee_reason", StringForFeeReason(fee_calc_out.reason)); + return entry; + } + return tx->GetHash().GetHex(); +} + + +/** + * Update coin control with fee estimation based on the given parameters + * + * @param[in] wallet Wallet reference + * @param[in,out] cc Coin control to be updated + * @param[in] conf_target UniValue integer; confirmation target in blocks, values between 1 and 1008 are valid per policy/fees.h; + * @param[in] estimate_mode UniValue string; fee estimation mode, valid values are "unset", "economical" or "conservative"; + * @param[in] fee_rate UniValue real; fee rate in sat/vB; + * if present, both conf_target and estimate_mode must either be null, or "unset" + * @param[in] override_min_fee bool; whether to set fOverrideFeeRate to true to disable minimum fee rate checks and instead + * verify only that fee_rate is greater than 0 + * @throws a JSONRPCError if conf_target, estimate_mode, or fee_rate contain invalid values or are in conflict + */ +static void SetFeeEstimateMode(const CWallet& wallet, CCoinControl& cc, const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate, bool override_min_fee) +{ + if (!fee_rate.isNull()) { + if (!conf_target.isNull()) { + 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."); + } + if (!estimate_mode.isNull() && estimate_mode.get_str() != "unset") { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and fee_rate"); + } + // Fee rates in sat/vB cannot represent more than 3 significant digits. + cc.m_feerate = CFeeRate{AmountFromValue(fee_rate, /* decimals */ 3)}; + if (override_min_fee) cc.fOverrideFeeRate = true; + // Default RBF to true for explicit fee_rate, if unset. + if (!cc.m_signal_bip125_rbf) cc.m_signal_bip125_rbf = true; + return; + } + if (!estimate_mode.isNull() && !FeeModeFromString(estimate_mode.get_str(), cc.m_fee_mode)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, InvalidEstimateModeErrorMessage()); + } + if (!conf_target.isNull()) { + cc.m_confirm_target = ParseConfirmTarget(conf_target, wallet.chain().estimateMaxBlocks()); + } +} + +RPCHelpMan sendtoaddress() +{ + return RPCHelpMan{"sendtoaddress", + "\nSend an amount to a given address." + + HELP_REQUIRING_PASSPHRASE, + { + {"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The bitcoin address to send to."}, + {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The amount in " + CURRENCY_UNIT + " to send. eg 0.1"}, + {"comment", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "A comment used to store what the transaction is for.\n" + "This is not part of the transaction, just kept in your wallet."}, + {"comment_to", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "A comment to store the name of the person or organization\n" + "to which you're sending the transaction. This is not part of the \n" + "transaction, just kept in your wallet."}, + {"subtractfeefromamount", RPCArg::Type::BOOL, RPCArg::Default{false}, "The fee will be deducted from the amount being sent.\n" + "The recipient will receive less bitcoins than you enter in the amount field."}, + {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"}, + {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, + {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" + " \"" + FeeModes("\"\n\"") + "\""}, + {"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" + "dirty if they have previously been used in a transaction. If true, this also activates avoidpartialspends, grouping outputs by their addresses."}, + {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, + {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, return extra information about the transaction."}, + }, + { + RPCResult{"if verbose is not set or set to false", + RPCResult::Type::STR_HEX, "txid", "The transaction id." + }, + RPCResult{"if verbose is set to true", + RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::STR_HEX, "txid", "The transaction id."}, + {RPCResult::Type::STR, "fee_reason", "The transaction fee reason."} + }, + }, + }, + RPCExamples{ + "\nSend 0.1 BTC\n" + + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1") + + "\nSend 0.1 BTC with a confirmation target of 6 blocks in economical fee estimate mode using positional arguments\n" + + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1 \"donation\" \"sean's outpost\" false true 6 economical") + + "\nSend 0.1 BTC with a fee rate of 1.1 " + CURRENCY_ATOM + "/vB, subtract fee from amount, BIP125-replaceable, using positional arguments\n" + + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1 \"drinks\" \"room77\" true true null \"unset\" null 1.1") + + "\nSend 0.2 BTC with a confirmation target of 6 blocks in economical fee estimate mode using named arguments\n" + + HelpExampleCli("-named sendtoaddress", "address=\"" + EXAMPLE_ADDRESS[0] + "\" amount=0.2 conf_target=6 estimate_mode=\"economical\"") + + "\nSend 0.5 BTC with a fee rate of 25 " + CURRENCY_ATOM + "/vB using named arguments\n" + + HelpExampleCli("-named sendtoaddress", "address=\"" + EXAMPLE_ADDRESS[0] + "\" amount=0.5 fee_rate=25") + + 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") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + // Make sure the results are valid at least up to the most recent block + // the user could have gotten from another RPC command prior to now + pwallet->BlockUntilSyncedToCurrentChain(); + + LOCK(pwallet->cs_wallet); + + // Wallet comments + mapValue_t mapValue; + if (!request.params[2].isNull() && !request.params[2].get_str().empty()) + mapValue["comment"] = request.params[2].get_str(); + if (!request.params[3].isNull() && !request.params[3].get_str().empty()) + mapValue["to"] = request.params[3].get_str(); + + bool fSubtractFeeFromAmount = false; + if (!request.params[4].isNull()) { + fSubtractFeeFromAmount = request.params[4].get_bool(); + } + + CCoinControl coin_control; + if (!request.params[5].isNull()) { + coin_control.m_signal_bip125_rbf = request.params[5].get_bool(); + } + + coin_control.m_avoid_address_reuse = GetAvoidReuseFlag(*pwallet, request.params[8]); + // We also enable partial spend avoidance if reuse avoidance is set. + coin_control.m_avoid_partial_spends |= coin_control.m_avoid_address_reuse; + + SetFeeEstimateMode(*pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[9], /* override_min_fee */ false); + + EnsureWalletIsUnlocked(*pwallet); + + UniValue address_amounts(UniValue::VOBJ); + const std::string address = request.params[0].get_str(); + address_amounts.pushKV(address, request.params[1]); + UniValue subtractFeeFromAmount(UniValue::VARR); + if (fSubtractFeeFromAmount) { + subtractFeeFromAmount.push_back(address); + } + + std::vector<CRecipient> recipients; + ParseRecipients(address_amounts, subtractFeeFromAmount, recipients); + const bool verbose{request.params[10].isNull() ? false : request.params[10].get_bool()}; + + return SendMoney(*pwallet, coin_control, recipients, mapValue, verbose); +}, + }; +} + +RPCHelpMan sendmany() +{ + return RPCHelpMan{"sendmany", + "\nSend multiple times. Amounts are double-precision floating point numbers." + + HELP_REQUIRING_PASSPHRASE, + { + {"dummy", RPCArg::Type::STR, RPCArg::Optional::NO, "Must be set to \"\" for backwards compatibility.", "\"\""}, + {"amounts", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::NO, "The addresses and amounts", + { + {"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"}, + }, + }, + {"minconf", RPCArg::Type::NUM, RPCArg::Optional::OMITTED_NAMED_ARG, "Ignored dummy value"}, + {"comment", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "A comment"}, + {"subtractfeefrom", RPCArg::Type::ARR, RPCArg::Optional::OMITTED_NAMED_ARG, "The addresses.\n" + "The fee will be equally deducted from the amount of each selected address.\n" + "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" + "If no addresses are specified here, the sender pays the fee.", + { + {"address", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Subtract fee from this address"}, + }, + }, + {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"}, + {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, + {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" + " \"" + FeeModes("\"\n\"") + "\""}, + {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, + {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, return extra infomration about the transaction."}, + }, + { + RPCResult{"if verbose is not set or set to false", + RPCResult::Type::STR_HEX, "txid", "The transaction id for the send. Only 1 transaction is created regardless of\n" + "the number of addresses." + }, + RPCResult{"if verbose is set to true", + RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::STR_HEX, "txid", "The transaction id for the send. Only 1 transaction is created regardless of\n" + "the number of addresses."}, + {RPCResult::Type::STR, "fee_reason", "The transaction fee reason."} + }, + }, + }, + RPCExamples{ + "\nSend two amounts to two different addresses:\n" + + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\"") + + "\nSend two amounts to two different addresses setting the confirmation and comment:\n" + + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\" 6 \"testing\"") + + "\nSend two amounts to two different addresses, subtract fee from amount:\n" + + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\" 1 \"\" \"[\\\"" + EXAMPLE_ADDRESS[0] + "\\\",\\\"" + EXAMPLE_ADDRESS[1] + "\\\"]\"") + + "\nAs a JSON-RPC call\n" + + HelpExampleRpc("sendmany", "\"\", {\"" + EXAMPLE_ADDRESS[0] + "\":0.01,\"" + EXAMPLE_ADDRESS[1] + "\":0.02}, 6, \"testing\"") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + // Make sure the results are valid at least up to the most recent block + // the user could have gotten from another RPC command prior to now + pwallet->BlockUntilSyncedToCurrentChain(); + + LOCK(pwallet->cs_wallet); + + if (!request.params[0].isNull() && !request.params[0].get_str().empty()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Dummy value must be set to \"\""); + } + UniValue sendTo = request.params[1].get_obj(); + + mapValue_t mapValue; + if (!request.params[3].isNull() && !request.params[3].get_str().empty()) + mapValue["comment"] = request.params[3].get_str(); + + UniValue subtractFeeFromAmount(UniValue::VARR); + if (!request.params[4].isNull()) + subtractFeeFromAmount = request.params[4].get_array(); + + CCoinControl coin_control; + if (!request.params[5].isNull()) { + coin_control.m_signal_bip125_rbf = request.params[5].get_bool(); + } + + SetFeeEstimateMode(*pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[8], /* override_min_fee */ false); + + std::vector<CRecipient> recipients; + ParseRecipients(sendTo, subtractFeeFromAmount, recipients); + const bool verbose{request.params[9].isNull() ? false : request.params[9].get_bool()}; + + return SendMoney(*pwallet, coin_control, recipients, std::move(mapValue), verbose); +}, + }; +} + +RPCHelpMan settxfee() +{ + return RPCHelpMan{"settxfee", + "\nSet the transaction fee rate in " + CURRENCY_UNIT + "/kvB for this wallet. Overrides the global -paytxfee command line parameter.\n" + "Can be deactivated by passing 0 as the fee. In that case automatic fee selection will be used by default.\n", + { + {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The transaction fee rate in " + CURRENCY_UNIT + "/kvB"}, + }, + RPCResult{ + RPCResult::Type::BOOL, "", "Returns true if successful" + }, + RPCExamples{ + HelpExampleCli("settxfee", "0.00001") + + HelpExampleRpc("settxfee", "0.00001") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + LOCK(pwallet->cs_wallet); + + CAmount nAmount = AmountFromValue(request.params[0]); + CFeeRate tx_fee_rate(nAmount, 1000); + CFeeRate max_tx_fee_rate(pwallet->m_default_max_tx_fee, 1000); + if (tx_fee_rate == CFeeRate(0)) { + // automatic selection + } else if (tx_fee_rate < pwallet->chain().relayMinFee()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than min relay tx fee (%s)", pwallet->chain().relayMinFee().ToString())); + } else if (tx_fee_rate < pwallet->m_min_fee) { + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than wallet min fee (%s)", pwallet->m_min_fee.ToString())); + } else if (tx_fee_rate > max_tx_fee_rate) { + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be more than wallet max tx fee (%s)", max_tx_fee_rate.ToString())); + } + + pwallet->m_pay_tx_fee = tx_fee_rate; + return true; +}, + }; +} + + +// Only includes key documentation where the key is snake_case in all RPC methods. MixedCase keys can be added later. +static std::vector<RPCArg> FundTxDoc() +{ + return { + {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, + {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" + " \"" + FeeModes("\"\n\"") + "\""}, + {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Marks this transaction as BIP125-replaceable.\n" + "Allows this transaction to be replaced by a transaction with higher fees"}, + {"solving_data", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "Keys and scripts needed for producing a final transaction with a dummy signature.\n" + "Used for fee estimation during coin selection.", + { + {"pubkeys", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Public keys involved in this transaction.", + { + {"pubkey", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A public key"}, + }}, + {"scripts", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Scripts involved in this transaction.", + { + {"script", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A script"}, + }}, + {"descriptors", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Descriptors that provide solving data for this transaction.", + { + {"descriptor", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "A descriptor"}, + }}, + }}, + }; +} + +void FundTransaction(CWallet& wallet, CMutableTransaction& tx, CAmount& fee_out, int& change_position, const UniValue& options, CCoinControl& coinControl, bool override_min_fee) +{ + // Make sure the results are valid at least up to the most recent block + // the user could have gotten from another RPC command prior to now + wallet.BlockUntilSyncedToCurrentChain(); + + change_position = -1; + bool lockUnspents = false; + UniValue subtractFeeFromOutputs; + std::set<int> setSubtractFeeFromOutputs; + + if (!options.isNull()) { + if (options.type() == UniValue::VBOOL) { + // backward compatibility bool only fallback + coinControl.fAllowWatchOnly = options.get_bool(); + } + else { + RPCTypeCheckArgument(options, UniValue::VOBJ); + RPCTypeCheckObj(options, + { + {"add_inputs", UniValueType(UniValue::VBOOL)}, + {"include_unsafe", UniValueType(UniValue::VBOOL)}, + {"add_to_wallet", UniValueType(UniValue::VBOOL)}, + {"changeAddress", UniValueType(UniValue::VSTR)}, + {"change_address", UniValueType(UniValue::VSTR)}, + {"changePosition", UniValueType(UniValue::VNUM)}, + {"change_position", UniValueType(UniValue::VNUM)}, + {"change_type", UniValueType(UniValue::VSTR)}, + {"includeWatching", UniValueType(UniValue::VBOOL)}, + {"include_watching", UniValueType(UniValue::VBOOL)}, + {"inputs", UniValueType(UniValue::VARR)}, + {"lockUnspents", UniValueType(UniValue::VBOOL)}, + {"lock_unspents", UniValueType(UniValue::VBOOL)}, + {"locktime", UniValueType(UniValue::VNUM)}, + {"fee_rate", UniValueType()}, // will be checked by AmountFromValue() in SetFeeEstimateMode() + {"feeRate", UniValueType()}, // will be checked by AmountFromValue() below + {"psbt", UniValueType(UniValue::VBOOL)}, + {"solving_data", UniValueType(UniValue::VOBJ)}, + {"subtractFeeFromOutputs", UniValueType(UniValue::VARR)}, + {"subtract_fee_from_outputs", UniValueType(UniValue::VARR)}, + {"replaceable", UniValueType(UniValue::VBOOL)}, + {"conf_target", UniValueType(UniValue::VNUM)}, + {"estimate_mode", UniValueType(UniValue::VSTR)}, + }, + true, true); + + if (options.exists("add_inputs") ) { + coinControl.m_add_inputs = options["add_inputs"].get_bool(); + } + + if (options.exists("changeAddress") || options.exists("change_address")) { + const std::string change_address_str = (options.exists("change_address") ? options["change_address"] : options["changeAddress"]).get_str(); + CTxDestination dest = DecodeDestination(change_address_str); + + if (!IsValidDestination(dest)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Change address must be a valid bitcoin address"); + } + + coinControl.destChange = dest; + } + + if (options.exists("changePosition") || options.exists("change_position")) { + change_position = (options.exists("change_position") ? options["change_position"] : options["changePosition"]).get_int(); + } + + if (options.exists("change_type")) { + if (options.exists("changeAddress") || options.exists("change_address")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both change address and address type options"); + } + if (std::optional<OutputType> parsed = ParseOutputType(options["change_type"].get_str())) { + coinControl.m_change_type.emplace(parsed.value()); + } else { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown change type '%s'", options["change_type"].get_str())); + } + } + + const UniValue include_watching_option = options.exists("include_watching") ? options["include_watching"] : options["includeWatching"]; + coinControl.fAllowWatchOnly = ParseIncludeWatchonly(include_watching_option, wallet); + + if (options.exists("lockUnspents") || options.exists("lock_unspents")) { + lockUnspents = (options.exists("lock_unspents") ? options["lock_unspents"] : options["lockUnspents"]).get_bool(); + } + + if (options.exists("include_unsafe")) { + coinControl.m_include_unsafe_inputs = options["include_unsafe"].get_bool(); + } + + if (options.exists("feeRate")) { + if (options.exists("fee_rate")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both fee_rate (" + CURRENCY_ATOM + "/vB) and feeRate (" + CURRENCY_UNIT + "/kvB)"); + } + if (options.exists("conf_target")) { + 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."); + } + if (options.exists("estimate_mode")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and feeRate"); + } + coinControl.m_feerate = CFeeRate(AmountFromValue(options["feeRate"])); + coinControl.fOverrideFeeRate = true; + } + + if (options.exists("subtractFeeFromOutputs") || options.exists("subtract_fee_from_outputs") ) + subtractFeeFromOutputs = (options.exists("subtract_fee_from_outputs") ? options["subtract_fee_from_outputs"] : options["subtractFeeFromOutputs"]).get_array(); + + if (options.exists("replaceable")) { + coinControl.m_signal_bip125_rbf = options["replaceable"].get_bool(); + } + SetFeeEstimateMode(wallet, coinControl, options["conf_target"], options["estimate_mode"], options["fee_rate"], override_min_fee); + } + } else { + // if options is null and not a bool + coinControl.fAllowWatchOnly = ParseIncludeWatchonly(NullUniValue, wallet); + } + + if (options.exists("solving_data")) { + const UniValue solving_data = options["solving_data"].get_obj(); + if (solving_data.exists("pubkeys")) { + for (const UniValue& pk_univ : solving_data["pubkeys"].get_array().getValues()) { + const std::string& pk_str = pk_univ.get_str(); + if (!IsHex(pk_str)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' is not hex", pk_str)); + } + const std::vector<unsigned char> data(ParseHex(pk_str)); + const CPubKey pubkey(data.begin(), data.end()); + if (!pubkey.IsFullyValid()) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' is not a valid public key", pk_str)); + } + coinControl.m_external_provider.pubkeys.emplace(pubkey.GetID(), pubkey); + // Add witness script for pubkeys + const CScript wit_script = GetScriptForDestination(WitnessV0KeyHash(pubkey)); + coinControl.m_external_provider.scripts.emplace(CScriptID(wit_script), wit_script); + } + } + + if (solving_data.exists("scripts")) { + for (const UniValue& script_univ : solving_data["scripts"].get_array().getValues()) { + const std::string& script_str = script_univ.get_str(); + if (!IsHex(script_str)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' is not hex", script_str)); + } + std::vector<unsigned char> script_data(ParseHex(script_str)); + const CScript script(script_data.begin(), script_data.end()); + coinControl.m_external_provider.scripts.emplace(CScriptID(script), script); + } + } + + if (solving_data.exists("descriptors")) { + for (const UniValue& desc_univ : solving_data["descriptors"].get_array().getValues()) { + const std::string& desc_str = desc_univ.get_str(); + FlatSigningProvider desc_out; + std::string error; + std::vector<CScript> scripts_temp; + std::unique_ptr<Descriptor> desc = Parse(desc_str, desc_out, error, true); + if (!desc) { + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Unable to parse descriptor '%s': %s", desc_str, error)); + } + desc->Expand(0, desc_out, scripts_temp, desc_out); + coinControl.m_external_provider = Merge(coinControl.m_external_provider, desc_out); + } + } + } + + if (tx.vout.size() == 0) + throw JSONRPCError(RPC_INVALID_PARAMETER, "TX must have at least one output"); + + if (change_position != -1 && (change_position < 0 || (unsigned int)change_position > tx.vout.size())) + throw JSONRPCError(RPC_INVALID_PARAMETER, "changePosition out of bounds"); + + for (unsigned int idx = 0; idx < subtractFeeFromOutputs.size(); idx++) { + int pos = subtractFeeFromOutputs[idx].get_int(); + if (setSubtractFeeFromOutputs.count(pos)) + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, duplicated position: %d", pos)); + if (pos < 0) + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, negative position: %d", pos)); + if (pos >= int(tx.vout.size())) + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, position too large: %d", pos)); + setSubtractFeeFromOutputs.insert(pos); + } + + // Fetch specified UTXOs from the UTXO set to get the scriptPubKeys and values of the outputs being selected + // and to match with the given solving_data. Only used for non-wallet outputs. + std::map<COutPoint, Coin> coins; + for (const CTxIn& txin : tx.vin) { + coins[txin.prevout]; // Create empty map entry keyed by prevout. + } + wallet.chain().findCoins(coins); + for (const auto& coin : coins) { + if (!coin.second.out.IsNull()) { + coinControl.SelectExternal(coin.first, coin.second.out); + } + } + + bilingual_str error; + + if (!FundTransaction(wallet, tx, fee_out, change_position, error, lockUnspents, setSubtractFeeFromOutputs, coinControl)) { + throw JSONRPCError(RPC_WALLET_ERROR, error.original); + } +} + +RPCHelpMan fundrawtransaction() +{ + return RPCHelpMan{"fundrawtransaction", + "\nIf the transaction has no inputs, they will be automatically selected to meet its out value.\n" + "It will add at most one change output to the outputs.\n" + "No existing outputs will be modified unless \"subtractFeeFromOutputs\" is specified.\n" + "Note that inputs which were signed may need to be resigned after completion since in/outputs have been added.\n" + "The inputs added will not be signed, use signrawtransactionwithkey\n" + "or signrawtransactionwithwallet for that.\n" + "All existing inputs must either have their previous output transaction be in the wallet\n" + "or be in the UTXO set. Solving data must be provided for non-wallet inputs.\n" + "Note that all inputs selected must be of standard form and P2SH scripts must be\n" + "in the wallet using importaddress or addmultisigaddress (to calculate fees).\n" + "You can see whether this is the case by checking the \"solvable\" field in the listunspent output.\n" + "Only pay-to-pubkey, multisig, and P2SH versions thereof are currently supported for watch-only\n", + { + {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex string of the raw transaction"}, + {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "for backward compatibility: passing in a true instead of an object will result in {\"includeWatching\":true}", + Cat<std::vector<RPCArg>>( + { + {"add_inputs", RPCArg::Type::BOOL, RPCArg::Default{true}, "For a transaction with existing inputs, automatically include more if they are not enough."}, + {"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" + "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n" + "If that happens, you will need to fund the transaction with different inputs and republish it."}, + {"changeAddress", RPCArg::Type::STR, RPCArg::DefaultHint{"pool address"}, "The bitcoin address to receive the change"}, + {"changePosition", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"}, + {"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\", and \"bech32\"."}, + {"includeWatching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only.\n" + "Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,\n" + "e.g. with 'importpubkey' or 'importmulti' with the 'pubkeys' or 'desc' field."}, + {"lockUnspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"}, + {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, + {"feeRate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_UNIT + "/kvB."}, + {"subtractFeeFromOutputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The integers.\n" + "The fee will be equally deducted from the amount of each specified output.\n" + "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" + "If no outputs are specified here, the sender pays the fee.", + { + {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."}, + }, + }, + }, + FundTxDoc()), + "options"}, + {"iswitness", RPCArg::Type::BOOL, RPCArg::DefaultHint{"depends on heuristic tests"}, "Whether the transaction hex is a serialized witness transaction.\n" + "If iswitness is not present, heuristic tests will be used in decoding.\n" + "If true, only witness deserialization will be tried.\n" + "If false, only non-witness deserialization will be tried.\n" + "This boolean should reflect whether the transaction has inputs\n" + "(e.g. fully valid, or on-chain transactions), if known by the caller." + }, + }, + RPCResult{ + RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::STR_HEX, "hex", "The resulting raw transaction (hex-encoded string)"}, + {RPCResult::Type::STR_AMOUNT, "fee", "Fee in " + CURRENCY_UNIT + " the resulting transaction pays"}, + {RPCResult::Type::NUM, "changepos", "The position of the added change output, or -1"}, + } + }, + RPCExamples{ + "\nCreate a transaction with no inputs\n" + + HelpExampleCli("createrawtransaction", "\"[]\" \"{\\\"myaddress\\\":0.01}\"") + + "\nAdd sufficient unsigned inputs to meet the output value\n" + + HelpExampleCli("fundrawtransaction", "\"rawtransactionhex\"") + + "\nSign the transaction\n" + + HelpExampleCli("signrawtransactionwithwallet", "\"fundedtransactionhex\"") + + "\nSend the transaction\n" + + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + RPCTypeCheck(request.params, {UniValue::VSTR, UniValueType(), UniValue::VBOOL}); + + // parse hex string from parameter + CMutableTransaction tx; + bool try_witness = request.params[2].isNull() ? true : request.params[2].get_bool(); + bool try_no_witness = request.params[2].isNull() ? true : !request.params[2].get_bool(); + if (!DecodeHexTx(tx, request.params[0].get_str(), try_no_witness, try_witness)) { + throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); + } + + CAmount fee; + int change_position; + CCoinControl coin_control; + // Automatically select (additional) coins. Can be overridden by options.add_inputs. + coin_control.m_add_inputs = true; + FundTransaction(*pwallet, tx, fee, change_position, request.params[1], coin_control, /* override_min_fee */ true); + + UniValue result(UniValue::VOBJ); + result.pushKV("hex", EncodeHexTx(CTransaction(tx))); + result.pushKV("fee", ValueFromAmount(fee)); + result.pushKV("changepos", change_position); + + return result; +}, + }; +} + +RPCHelpMan signrawtransactionwithwallet() +{ + return RPCHelpMan{"signrawtransactionwithwallet", + "\nSign inputs for raw transaction (serialized, hex-encoded).\n" + "The second optional argument (may be null) is an array of previous transaction outputs that\n" + "this transaction depends on but may not yet be in the block chain." + + HELP_REQUIRING_PASSPHRASE, + { + {"hexstring", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction hex string"}, + {"prevtxs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED_NAMED_ARG, "The previous dependent transaction outputs", + { + {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", + { + {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"}, + {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"}, + {"scriptPubKey", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "script key"}, + {"redeemScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2SH) redeem script"}, + {"witnessScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2WSH or P2SH-P2WSH) witness script"}, + {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::OMITTED, "(required for Segwit inputs) the amount spent"}, + }, + }, + }, + }, + {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT"}, "The signature hash type. Must be one of\n" + " \"DEFAULT\"\n" + " \"ALL\"\n" + " \"NONE\"\n" + " \"SINGLE\"\n" + " \"ALL|ANYONECANPAY\"\n" + " \"NONE|ANYONECANPAY\"\n" + " \"SINGLE|ANYONECANPAY\""}, + }, + RPCResult{ + RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::STR_HEX, "hex", "The hex-encoded raw transaction with signature(s)"}, + {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"}, + {RPCResult::Type::ARR, "errors", /* optional */ true, "Script verification errors (if there are any)", + { + {RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::STR_HEX, "txid", "The hash of the referenced, previous transaction"}, + {RPCResult::Type::NUM, "vout", "The index of the output to spent and used as input"}, + {RPCResult::Type::ARR, "witness", "", + { + {RPCResult::Type::STR_HEX, "witness", ""}, + }}, + {RPCResult::Type::STR_HEX, "scriptSig", "The hex-encoded signature script"}, + {RPCResult::Type::NUM, "sequence", "Script sequence number"}, + {RPCResult::Type::STR, "error", "Verification or signing error related to the input"}, + }}, + }}, + } + }, + RPCExamples{ + HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"") + + HelpExampleRpc("signrawtransactionwithwallet", "\"myhex\"") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VARR, UniValue::VSTR}, true); + + CMutableTransaction mtx; + if (!DecodeHexTx(mtx, request.params[0].get_str())) { + throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input."); + } + + // Sign the transaction + LOCK(pwallet->cs_wallet); + EnsureWalletIsUnlocked(*pwallet); + + // Fetch previous transactions (inputs): + std::map<COutPoint, Coin> coins; + for (const CTxIn& txin : mtx.vin) { + coins[txin.prevout]; // Create empty map entry keyed by prevout. + } + pwallet->chain().findCoins(coins); + + // Parse the prevtxs array + ParsePrevouts(request.params[1], nullptr, coins); + + int nHashType = ParseSighashString(request.params[2]); + + // Script verification errors + std::map<int, bilingual_str> input_errors; + + bool complete = pwallet->SignTransaction(mtx, coins, nHashType, input_errors); + UniValue result(UniValue::VOBJ); + SignTransactionResultToJSON(mtx, complete, coins, input_errors, result); + return result; +}, + }; +} + +static RPCHelpMan bumpfee_helper(std::string method_name) +{ + const bool want_psbt = method_name == "psbtbumpfee"; + const std::string incremental_fee{CFeeRate(DEFAULT_INCREMENTAL_RELAY_FEE).ToString(FeeEstimateMode::SAT_VB)}; + + return RPCHelpMan{method_name, + "\nBumps the fee of an opt-in-RBF transaction T, replacing it with a new transaction B.\n" + + std::string(want_psbt ? "Returns a PSBT instead of creating and signing a new transaction.\n" : "") + + "An opt-in RBF transaction with the given txid must be in the wallet.\n" + "The command will pay the additional fee by reducing change outputs or adding inputs when necessary.\n" + "It may add a new change output if one does not already exist.\n" + "All inputs in the original transaction will be included in the replacement transaction.\n" + "The command will fail if the wallet or mempool contains a transaction that spends one of T's outputs.\n" + "By default, the new fee will be calculated automatically using the estimatesmartfee RPC.\n" + "The user can specify a confirmation target for estimatesmartfee.\n" + "Alternatively, the user can specify a fee rate in " + CURRENCY_ATOM + "/vB for the new transaction.\n" + "At a minimum, the new fee rate must be high enough to pay an additional new relay fee (incrementalfee\n" + "returned by getnetworkinfo) to enter the node's mempool.\n" + "* WARNING: before version 0.21, fee_rate was in " + CURRENCY_UNIT + "/kvB. As of 0.21, fee_rate is in " + CURRENCY_ATOM + "/vB. *\n", + { + {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The txid to be bumped"}, + {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "", + { + {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks\n"}, + {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, + "\nSpecify a fee rate in " + CURRENCY_ATOM + "/vB instead of relying on the built-in fee estimator.\n" + "Must be at least " + incremental_fee + " higher than the current transaction fee rate.\n" + "WARNING: before version 0.21, fee_rate was in " + CURRENCY_UNIT + "/kvB. As of 0.21, fee_rate is in " + CURRENCY_ATOM + "/vB.\n"}, + {"replaceable", RPCArg::Type::BOOL, RPCArg::Default{true}, "Whether the new transaction should still be\n" + "marked bip-125 replaceable. If true, the sequence numbers in the transaction will\n" + "be left unchanged from the original. If false, any input sequence numbers in the\n" + "original transaction that were less than 0xfffffffe will be increased to 0xfffffffe\n" + "so the new transaction will not be explicitly bip-125 replaceable (though it may\n" + "still be replaceable in practice, for example if it has unconfirmed ancestors which\n" + "are replaceable).\n"}, + {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n" + "\"" + FeeModes("\"\n\"") + "\""}, + }, + "options"}, + }, + RPCResult{ + RPCResult::Type::OBJ, "", "", Cat( + want_psbt ? + std::vector<RPCResult>{{RPCResult::Type::STR, "psbt", "The base64-encoded unsigned PSBT of the new transaction."}} : + std::vector<RPCResult>{{RPCResult::Type::STR_HEX, "txid", "The id of the new transaction."}}, + { + {RPCResult::Type::STR_AMOUNT, "origfee", "The fee of the replaced transaction."}, + {RPCResult::Type::STR_AMOUNT, "fee", "The fee of the new transaction."}, + {RPCResult::Type::ARR, "errors", "Errors encountered during processing (may be empty).", + { + {RPCResult::Type::STR, "", ""}, + }}, + }) + }, + RPCExamples{ + "\nBump the fee, get the new transaction\'s " + std::string(want_psbt ? "psbt" : "txid") + "\n" + + HelpExampleCli(method_name, "<txid>") + }, + [want_psbt](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !want_psbt) { + throw JSONRPCError(RPC_WALLET_ERROR, "bumpfee is not available with wallets that have private keys disabled. Use psbtbumpfee instead."); + } + + RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VOBJ}); + uint256 hash(ParseHashV(request.params[0], "txid")); + + CCoinControl coin_control; + coin_control.fAllowWatchOnly = pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS); + // optional parameters + coin_control.m_signal_bip125_rbf = true; + + if (!request.params[1].isNull()) { + UniValue options = request.params[1]; + RPCTypeCheckObj(options, + { + {"confTarget", UniValueType(UniValue::VNUM)}, + {"conf_target", UniValueType(UniValue::VNUM)}, + {"fee_rate", UniValueType()}, // will be checked by AmountFromValue() in SetFeeEstimateMode() + {"replaceable", UniValueType(UniValue::VBOOL)}, + {"estimate_mode", UniValueType(UniValue::VSTR)}, + }, + true, true); + + if (options.exists("confTarget") && options.exists("conf_target")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "confTarget and conf_target options should not both be set. Use conf_target (confTarget is deprecated)."); + } + + auto conf_target = options.exists("confTarget") ? options["confTarget"] : options["conf_target"]; + + if (options.exists("replaceable")) { + coin_control.m_signal_bip125_rbf = options["replaceable"].get_bool(); + } + SetFeeEstimateMode(*pwallet, coin_control, conf_target, options["estimate_mode"], options["fee_rate"], /* override_min_fee */ false); + } + + // Make sure the results are valid at least up to the most recent block + // the user could have gotten from another RPC command prior to now + pwallet->BlockUntilSyncedToCurrentChain(); + + LOCK(pwallet->cs_wallet); + + EnsureWalletIsUnlocked(*pwallet); + + + std::vector<bilingual_str> errors; + CAmount old_fee; + CAmount new_fee; + CMutableTransaction mtx; + feebumper::Result res; + // Targeting feerate bump. + res = feebumper::CreateRateBumpTransaction(*pwallet, hash, coin_control, errors, old_fee, new_fee, mtx); + if (res != feebumper::Result::OK) { + switch(res) { + case feebumper::Result::INVALID_ADDRESS_OR_KEY: + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, errors[0].original); + break; + case feebumper::Result::INVALID_REQUEST: + throw JSONRPCError(RPC_INVALID_REQUEST, errors[0].original); + break; + case feebumper::Result::INVALID_PARAMETER: + throw JSONRPCError(RPC_INVALID_PARAMETER, errors[0].original); + break; + case feebumper::Result::WALLET_ERROR: + throw JSONRPCError(RPC_WALLET_ERROR, errors[0].original); + break; + default: + throw JSONRPCError(RPC_MISC_ERROR, errors[0].original); + break; + } + } + + UniValue result(UniValue::VOBJ); + + // For bumpfee, return the new transaction id. + // For psbtbumpfee, return the base64-encoded unsigned PSBT of the new transaction. + if (!want_psbt) { + if (!feebumper::SignTransaction(*pwallet, mtx)) { + throw JSONRPCError(RPC_WALLET_ERROR, "Can't sign transaction."); + } + + uint256 txid; + if (feebumper::CommitTransaction(*pwallet, hash, std::move(mtx), errors, txid) != feebumper::Result::OK) { + throw JSONRPCError(RPC_WALLET_ERROR, errors[0].original); + } + + result.pushKV("txid", txid.GetHex()); + } else { + PartiallySignedTransaction psbtx(mtx); + bool complete = false; + const TransactionError err = pwallet->FillPSBT(psbtx, complete, SIGHASH_DEFAULT, false /* sign */, true /* bip32derivs */); + CHECK_NONFATAL(err == TransactionError::OK); + CHECK_NONFATAL(!complete); + CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); + ssTx << psbtx; + result.pushKV("psbt", EncodeBase64(ssTx.str())); + } + + result.pushKV("origfee", ValueFromAmount(old_fee)); + result.pushKV("fee", ValueFromAmount(new_fee)); + UniValue result_errors(UniValue::VARR); + for (const bilingual_str& error : errors) { + result_errors.push_back(error.original); + } + result.pushKV("errors", result_errors); + + return result; +}, + }; +} + +RPCHelpMan bumpfee() { return bumpfee_helper("bumpfee"); } +RPCHelpMan psbtbumpfee() { return bumpfee_helper("psbtbumpfee"); } + +RPCHelpMan send() +{ + return RPCHelpMan{"send", + "\nEXPERIMENTAL warning: this call may be changed in future releases.\n" + "\nSend a transaction.\n", + { + {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The outputs (key-value pairs), where none of the keys are duplicated.\n" + "That is, each address can only appear once and there can only be one 'data' object.\n" + "For convenience, a dictionary, which holds the key-value pairs directly, is also accepted.", + { + {"", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::OMITTED, "", + { + {"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 + ""}, + }, + }, + {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", + { + {"data", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A key-value pair. The key must be \"data\", the value is hex-encoded data"}, + }, + }, + }, + }, + {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, + {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" + " \"" + FeeModes("\"\n\"") + "\""}, + {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, + {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "", + Cat<std::vector<RPCArg>>( + { + {"add_inputs", RPCArg::Type::BOOL, RPCArg::Default{false}, "If inputs are specified, automatically include more if they are not enough."}, + {"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" + "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n" + "If that happens, you will need to fund the transaction with different inputs and republish it."}, + {"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"}, + {"change_address", RPCArg::Type::STR_HEX, RPCArg::DefaultHint{"pool address"}, "The bitcoin address to receive the change"}, + {"change_position", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"}, + {"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\", and \"bech32\"."}, + {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, + {"include_watching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only.\n" + "Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,\n" + "e.g. with 'importpubkey' or 'importmulti' with the 'pubkeys' or 'desc' field."}, + {"inputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Specify inputs instead of adding them automatically. A JSON array of JSON objects", + { + {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"}, + {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"}, + {"sequence", RPCArg::Type::NUM, RPCArg::Optional::NO, "The sequence number"}, + }, + }, + {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"}, + {"lock_unspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"}, + {"psbt", RPCArg::Type::BOOL, RPCArg::DefaultHint{"automatic"}, "Always return a PSBT, implies add_to_wallet=false."}, + {"subtract_fee_from_outputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Outputs to subtract the fee from, specified as integer indices.\n" + "The fee will be equally deducted from the amount of each specified output.\n" + "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" + "If no outputs are specified here, the sender pays the fee.", + { + {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."}, + }, + }, + }, + FundTxDoc()), + "options"}, + }, + RPCResult{ + RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"}, + {RPCResult::Type::STR_HEX, "txid", /* optional */ true, "The transaction id for the send. Only 1 transaction is created regardless of the number of addresses."}, + {RPCResult::Type::STR_HEX, "hex", /* optional */ true, "If add_to_wallet is false, the hex-encoded raw transaction with signature(s)"}, + {RPCResult::Type::STR, "psbt", /* optional */ true, "If more signatures are needed, or if add_to_wallet is false, the base64-encoded (partially) signed transaction"} + } + }, + RPCExamples{"" + "\nSend 0.1 BTC with a confirmation target of 6 blocks in economical fee estimate mode\n" + + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 6 economical\n") + + "Send 0.2 BTC with a fee rate of 1.1 " + CURRENCY_ATOM + "/vB using positional arguments\n" + + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.2}' null \"unset\" 1.1\n") + + "Send 0.2 BTC with a fee rate of 1 " + CURRENCY_ATOM + "/vB using the options argument\n" + + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.2}' null \"unset\" null '{\"fee_rate\": 1}'\n") + + "Send 0.3 BTC with a fee rate of 25 " + CURRENCY_ATOM + "/vB using named arguments\n" + + HelpExampleCli("-named send", "outputs='{\"" + EXAMPLE_ADDRESS[0] + "\": 0.3}' fee_rate=25\n") + + "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" + + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 1 economical '{\"add_to_wallet\": false, \"inputs\": [{\"txid\":\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\", \"vout\":1}]}'") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue + { + RPCTypeCheck(request.params, { + UniValueType(), // outputs (ARR or OBJ, checked later) + UniValue::VNUM, // conf_target + UniValue::VSTR, // estimate_mode + UniValueType(), // fee_rate, will be checked by AmountFromValue() in SetFeeEstimateMode() + UniValue::VOBJ, // options + }, true + ); + + std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + UniValue options{request.params[4].isNull() ? UniValue::VOBJ : request.params[4]}; + if (options.exists("conf_target") || options.exists("estimate_mode")) { + if (!request.params[1].isNull() || !request.params[2].isNull()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Pass conf_target and estimate_mode either as arguments or in the options object, but not both"); + } + } else { + options.pushKV("conf_target", request.params[1]); + options.pushKV("estimate_mode", request.params[2]); + } + if (options.exists("fee_rate")) { + if (!request.params[3].isNull()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Pass the fee_rate either as an argument, or in the options object, but not both"); + } + } else { + options.pushKV("fee_rate", request.params[3]); + } + if (!options["conf_target"].isNull() && (options["estimate_mode"].isNull() || (options["estimate_mode"].get_str() == "unset"))) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Specify estimate_mode"); + } + if (options.exists("feeRate")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Use fee_rate (" + CURRENCY_ATOM + "/vB) instead of feeRate"); + } + if (options.exists("changeAddress")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Use change_address"); + } + if (options.exists("changePosition")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Use change_position"); + } + if (options.exists("includeWatching")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Use include_watching"); + } + if (options.exists("lockUnspents")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Use lock_unspents"); + } + if (options.exists("subtractFeeFromOutputs")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Use subtract_fee_from_outputs"); + } + + const bool psbt_opt_in = options.exists("psbt") && options["psbt"].get_bool(); + + CAmount fee; + int change_position; + bool rbf = pwallet->m_signal_rbf; + if (options.exists("replaceable")) { + rbf = options["replaceable"].get_bool(); + } + CMutableTransaction rawTx = ConstructTransaction(options["inputs"], request.params[0], options["locktime"], rbf); + CCoinControl coin_control; + // Automatically select coins, unless at least one is manually selected. Can + // be overridden by options.add_inputs. + coin_control.m_add_inputs = rawTx.vin.size() == 0; + FundTransaction(*pwallet, rawTx, fee, change_position, options, coin_control, /* override_min_fee */ false); + + bool add_to_wallet = true; + if (options.exists("add_to_wallet")) { + add_to_wallet = options["add_to_wallet"].get_bool(); + } + + // Make a blank psbt + PartiallySignedTransaction psbtx(rawTx); + + // First fill transaction with our data without signing, + // so external signers are not asked sign more than once. + bool complete; + pwallet->FillPSBT(psbtx, complete, SIGHASH_DEFAULT, false, true); + const TransactionError err = pwallet->FillPSBT(psbtx, complete, SIGHASH_DEFAULT, true, false); + if (err != TransactionError::OK) { + throw JSONRPCTransactionError(err); + } + + CMutableTransaction mtx; + complete = FinalizeAndExtractPSBT(psbtx, mtx); + + UniValue result(UniValue::VOBJ); + + if (psbt_opt_in || !complete || !add_to_wallet) { + // Serialize the PSBT + CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); + ssTx << psbtx; + result.pushKV("psbt", EncodeBase64(ssTx.str())); + } + + if (complete) { + std::string err_string; + std::string hex = EncodeHexTx(CTransaction(mtx)); + CTransactionRef tx(MakeTransactionRef(std::move(mtx))); + result.pushKV("txid", tx->GetHash().GetHex()); + if (add_to_wallet && !psbt_opt_in) { + pwallet->CommitTransaction(tx, {}, {} /* orderForm */); + } else { + result.pushKV("hex", hex); + } + } + result.pushKV("complete", complete); + + return result; + } + }; +} + +RPCHelpMan walletprocesspsbt() +{ + return RPCHelpMan{"walletprocesspsbt", + "\nUpdate a PSBT with input information from our wallet and then sign inputs\n" + "that we can sign for." + + HELP_REQUIRING_PASSPHRASE, + { + {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction base64 string"}, + {"sign", RPCArg::Type::BOOL, RPCArg::Default{true}, "Also sign the transaction when updating (requires wallet to be unlocked)"}, + {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT"}, "The signature hash type to sign with if not specified by the PSBT. Must be one of\n" + " \"DEFAULT\"\n" + " \"ALL\"\n" + " \"NONE\"\n" + " \"SINGLE\"\n" + " \"ALL|ANYONECANPAY\"\n" + " \"NONE|ANYONECANPAY\"\n" + " \"SINGLE|ANYONECANPAY\""}, + {"bip32derivs", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include BIP 32 derivation paths for public keys if we know them"}, + {"finalize", RPCArg::Type::BOOL, RPCArg::Default{true}, "Also finalize inputs if possible"}, + }, + RPCResult{ + RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::STR, "psbt", "The base64-encoded partially signed transaction"}, + {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"}, + } + }, + RPCExamples{ + HelpExampleCli("walletprocesspsbt", "\"psbt\"") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + const CWallet& wallet{*pwallet}; + // Make sure the results are valid at least up to the most recent block + // the user could have gotten from another RPC command prior to now + wallet.BlockUntilSyncedToCurrentChain(); + + RPCTypeCheck(request.params, {UniValue::VSTR}); + + // Unserialize the transaction + PartiallySignedTransaction psbtx; + std::string error; + if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) { + throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error)); + } + + // Get the sighash type + int nHashType = ParseSighashString(request.params[2]); + + // Fill transaction with our data and also sign + bool sign = request.params[1].isNull() ? true : request.params[1].get_bool(); + bool bip32derivs = request.params[3].isNull() ? true : request.params[3].get_bool(); + bool finalize = request.params[4].isNull() ? true : request.params[4].get_bool(); + bool complete = true; + + if (sign) EnsureWalletIsUnlocked(*pwallet); + + const TransactionError err{wallet.FillPSBT(psbtx, complete, nHashType, sign, bip32derivs, nullptr, finalize)}; + if (err != TransactionError::OK) { + throw JSONRPCTransactionError(err); + } + + UniValue result(UniValue::VOBJ); + CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); + ssTx << psbtx; + result.pushKV("psbt", EncodeBase64(ssTx.str())); + result.pushKV("complete", complete); + + return result; +}, + }; +} + +RPCHelpMan walletcreatefundedpsbt() +{ + return RPCHelpMan{"walletcreatefundedpsbt", + "\nCreates and funds a transaction in the Partially Signed Transaction format.\n" + "Implements the Creator and Updater roles.\n" + "All existing inputs must either have their previous output transaction be in the wallet\n" + "or be in the UTXO set. Solving data must be provided for non-wallet inputs.\n", + { + {"inputs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED_NAMED_ARG, "Leave empty to add inputs automatically. See add_inputs option.", + { + {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", + { + {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"}, + {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"}, + {"sequence", RPCArg::Type::NUM, RPCArg::DefaultHint{"depends on the value of the 'locktime' and 'options.replaceable' arguments"}, "The sequence number"}, + }, + }, + }, + }, + {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The outputs (key-value pairs), where none of the keys are duplicated.\n" + "That is, each address can only appear once and there can only be one 'data' object.\n" + "For compatibility reasons, a dictionary, which holds the key-value pairs directly, is also\n" + "accepted as second parameter.", + { + {"", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::OMITTED, "", + { + {"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 + ""}, + }, + }, + {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", + { + {"data", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A key-value pair. The key must be \"data\", the value is hex-encoded data"}, + }, + }, + }, + }, + {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"}, + {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "", + Cat<std::vector<RPCArg>>( + { + {"add_inputs", RPCArg::Type::BOOL, RPCArg::Default{false}, "If inputs are specified, automatically include more if they are not enough."}, + {"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" + "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n" + "If that happens, you will need to fund the transaction with different inputs and republish it."}, + {"changeAddress", RPCArg::Type::STR_HEX, RPCArg::DefaultHint{"pool address"}, "The bitcoin address to receive the change"}, + {"changePosition", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"}, + {"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\", and \"bech32\"."}, + {"includeWatching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only"}, + {"lockUnspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"}, + {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, + {"feeRate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_UNIT + "/kvB."}, + {"subtractFeeFromOutputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The outputs to subtract the fee from.\n" + "The fee will be equally deducted from the amount of each specified output.\n" + "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" + "If no outputs are specified here, the sender pays the fee.", + { + {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."}, + }, + }, + }, + FundTxDoc()), + "options"}, + {"bip32derivs", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include BIP 32 derivation paths for public keys if we know them"}, + }, + RPCResult{ + RPCResult::Type::OBJ, "", "", + { + {RPCResult::Type::STR, "psbt", "The resulting raw transaction (base64-encoded string)"}, + {RPCResult::Type::STR_AMOUNT, "fee", "Fee in " + CURRENCY_UNIT + " the resulting transaction pays"}, + {RPCResult::Type::NUM, "changepos", "The position of the added change output, or -1"}, + } + }, + RPCExamples{ + "\nCreate a transaction with no inputs\n" + + HelpExampleCli("walletcreatefundedpsbt", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"") + }, + [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue +{ + std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); + if (!pwallet) return NullUniValue; + + CWallet& wallet{*pwallet}; + // Make sure the results are valid at least up to the most recent block + // the user could have gotten from another RPC command prior to now + wallet.BlockUntilSyncedToCurrentChain(); + + RPCTypeCheck(request.params, { + UniValue::VARR, + UniValueType(), // ARR or OBJ, checked later + UniValue::VNUM, + UniValue::VOBJ, + UniValue::VBOOL + }, true + ); + + CAmount fee; + int change_position; + bool rbf{wallet.m_signal_rbf}; + const UniValue &replaceable_arg = request.params[3]["replaceable"]; + if (!replaceable_arg.isNull()) { + RPCTypeCheckArgument(replaceable_arg, UniValue::VBOOL); + rbf = replaceable_arg.isTrue(); + } + CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf); + CCoinControl coin_control; + // Automatically select coins, unless at least one is manually selected. Can + // be overridden by options.add_inputs. + coin_control.m_add_inputs = rawTx.vin.size() == 0; + FundTransaction(wallet, rawTx, fee, change_position, request.params[3], coin_control, /* override_min_fee */ true); + + // Make a blank psbt + PartiallySignedTransaction psbtx(rawTx); + + // Fill transaction with out data but don't sign + bool bip32derivs = request.params[4].isNull() ? true : request.params[4].get_bool(); + bool complete = true; + const TransactionError err{wallet.FillPSBT(psbtx, complete, 1, false, bip32derivs)}; + if (err != TransactionError::OK) { + throw JSONRPCTransactionError(err); + } + + // Serialize the PSBT + CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); + ssTx << psbtx; + + UniValue result(UniValue::VOBJ); + result.pushKV("psbt", EncodeBase64(ssTx.str())); + result.pushKV("fee", ValueFromAmount(fee)); + result.pushKV("changepos", change_position); + return result; +}, + }; +} diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index 7ce0195568..c02dc24860 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -11,27 +11,19 @@ #include <outputtype.h> #include <policy/feerate.h> #include <policy/fees.h> -#include <policy/policy.h> #include <policy/rbf.h> -#include <rpc/rawtransaction_util.h> #include <rpc/server.h> #include <rpc/util.h> #include <script/descriptor.h> #include <script/sign.h> -#include <util/fees.h> #include <util/string.h> #include <util/system.h> #include <util/translation.h> -#include <util/url.h> -#include <util/vector.h> #include <wallet/coincontrol.h> -#include <wallet/context.h> -#include <wallet/feebumper.h> #include <wallet/load.h> #include <wallet/receive.h> #include <wallet/rpcwallet.h> #include <wallet/rpc/util.h> -#include <wallet/spend.h> #include <wallet/wallet.h> #include <wallet/walletdb.h> #include <wallet/walletutil.h> @@ -52,342 +44,6 @@ bool HaveKey(const SigningProvider& wallet, const CKey& key) return wallet.HaveKey(key.GetPubKey().GetID()) || wallet.HaveKey(key2.GetPubKey().GetID()); } -/** - * Update coin control with fee estimation based on the given parameters - * - * @param[in] wallet Wallet reference - * @param[in,out] cc Coin control to be updated - * @param[in] conf_target UniValue integer; confirmation target in blocks, values between 1 and 1008 are valid per policy/fees.h; - * @param[in] estimate_mode UniValue string; fee estimation mode, valid values are "unset", "economical" or "conservative"; - * @param[in] fee_rate UniValue real; fee rate in sat/vB; - * if present, both conf_target and estimate_mode must either be null, or "unset" - * @param[in] override_min_fee bool; whether to set fOverrideFeeRate to true to disable minimum fee rate checks and instead - * verify only that fee_rate is greater than 0 - * @throws a JSONRPCError if conf_target, estimate_mode, or fee_rate contain invalid values or are in conflict - */ -static void SetFeeEstimateMode(const CWallet& wallet, CCoinControl& cc, const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate, bool override_min_fee) -{ - if (!fee_rate.isNull()) { - if (!conf_target.isNull()) { - 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."); - } - if (!estimate_mode.isNull() && estimate_mode.get_str() != "unset") { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and fee_rate"); - } - // Fee rates in sat/vB cannot represent more than 3 significant digits. - cc.m_feerate = CFeeRate{AmountFromValue(fee_rate, /* decimals */ 3)}; - if (override_min_fee) cc.fOverrideFeeRate = true; - // Default RBF to true for explicit fee_rate, if unset. - if (!cc.m_signal_bip125_rbf) cc.m_signal_bip125_rbf = true; - return; - } - if (!estimate_mode.isNull() && !FeeModeFromString(estimate_mode.get_str(), cc.m_fee_mode)) { - throw JSONRPCError(RPC_INVALID_PARAMETER, InvalidEstimateModeErrorMessage()); - } - if (!conf_target.isNull()) { - cc.m_confirm_target = ParseConfirmTarget(conf_target, wallet.chain().estimateMaxBlocks()); - } -} - -void ParseRecipients(const UniValue& address_amounts, const UniValue& subtract_fee_outputs, std::vector<CRecipient> &recipients) { - std::set<CTxDestination> destinations; - int i = 0; - for (const std::string& address: address_amounts.getKeys()) { - CTxDestination dest = DecodeDestination(address); - if (!IsValidDestination(dest)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Bitcoin address: ") + address); - } - - if (destinations.count(dest)) { - throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ") + address); - } - destinations.insert(dest); - - CScript script_pub_key = GetScriptForDestination(dest); - CAmount amount = AmountFromValue(address_amounts[i++]); - - bool subtract_fee = false; - for (unsigned int idx = 0; idx < subtract_fee_outputs.size(); idx++) { - const UniValue& addr = subtract_fee_outputs[idx]; - if (addr.get_str() == address) { - subtract_fee = true; - } - } - - CRecipient recipient = {script_pub_key, amount, subtract_fee}; - recipients.push_back(recipient); - } -} - -UniValue SendMoney(CWallet& wallet, const CCoinControl &coin_control, std::vector<CRecipient> &recipients, mapValue_t map_value, bool verbose) -{ - EnsureWalletIsUnlocked(wallet); - - // This function is only used by sendtoaddress and sendmany. - // This should always try to sign, if we don't have private keys, don't try to do anything here. - if (wallet.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { - throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet"); - } - - // Shuffle recipient list - std::shuffle(recipients.begin(), recipients.end(), FastRandomContext()); - - // Send - CAmount nFeeRequired = 0; - int nChangePosRet = -1; - bilingual_str error; - CTransactionRef tx; - FeeCalculation fee_calc_out; - const bool fCreated = CreateTransaction(wallet, recipients, tx, nFeeRequired, nChangePosRet, error, coin_control, fee_calc_out, true); - if (!fCreated) { - throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, error.original); - } - wallet.CommitTransaction(tx, std::move(map_value), {} /* orderForm */); - if (verbose) { - UniValue entry(UniValue::VOBJ); - entry.pushKV("txid", tx->GetHash().GetHex()); - entry.pushKV("fee_reason", StringForFeeReason(fee_calc_out.reason)); - return entry; - } - return tx->GetHash().GetHex(); -} - -static RPCHelpMan sendtoaddress() -{ - return RPCHelpMan{"sendtoaddress", - "\nSend an amount to a given address." + - HELP_REQUIRING_PASSPHRASE, - { - {"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The bitcoin address to send to."}, - {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The amount in " + CURRENCY_UNIT + " to send. eg 0.1"}, - {"comment", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "A comment used to store what the transaction is for.\n" - "This is not part of the transaction, just kept in your wallet."}, - {"comment_to", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "A comment to store the name of the person or organization\n" - "to which you're sending the transaction. This is not part of the \n" - "transaction, just kept in your wallet."}, - {"subtractfeefromamount", RPCArg::Type::BOOL, RPCArg::Default{false}, "The fee will be deducted from the amount being sent.\n" - "The recipient will receive less bitcoins than you enter in the amount field."}, - {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"}, - {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, - {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" - " \"" + FeeModes("\"\n\"") + "\""}, - {"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" - "dirty if they have previously been used in a transaction. If true, this also activates avoidpartialspends, grouping outputs by their addresses."}, - {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, - {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, return extra information about the transaction."}, - }, - { - RPCResult{"if verbose is not set or set to false", - RPCResult::Type::STR_HEX, "txid", "The transaction id." - }, - RPCResult{"if verbose is set to true", - RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::STR_HEX, "txid", "The transaction id."}, - {RPCResult::Type::STR, "fee_reason", "The transaction fee reason."} - }, - }, - }, - RPCExamples{ - "\nSend 0.1 BTC\n" - + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1") + - "\nSend 0.1 BTC with a confirmation target of 6 blocks in economical fee estimate mode using positional arguments\n" - + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1 \"donation\" \"sean's outpost\" false true 6 economical") + - "\nSend 0.1 BTC with a fee rate of 1.1 " + CURRENCY_ATOM + "/vB, subtract fee from amount, BIP125-replaceable, using positional arguments\n" - + HelpExampleCli("sendtoaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0.1 \"drinks\" \"room77\" true true null \"unset\" null 1.1") + - "\nSend 0.2 BTC with a confirmation target of 6 blocks in economical fee estimate mode using named arguments\n" - + HelpExampleCli("-named sendtoaddress", "address=\"" + EXAMPLE_ADDRESS[0] + "\" amount=0.2 conf_target=6 estimate_mode=\"economical\"") + - "\nSend 0.5 BTC with a fee rate of 25 " + CURRENCY_ATOM + "/vB using named arguments\n" - + HelpExampleCli("-named sendtoaddress", "address=\"" + EXAMPLE_ADDRESS[0] + "\" amount=0.5 fee_rate=25") - + 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") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - // Make sure the results are valid at least up to the most recent block - // the user could have gotten from another RPC command prior to now - pwallet->BlockUntilSyncedToCurrentChain(); - - LOCK(pwallet->cs_wallet); - - // Wallet comments - mapValue_t mapValue; - if (!request.params[2].isNull() && !request.params[2].get_str().empty()) - mapValue["comment"] = request.params[2].get_str(); - if (!request.params[3].isNull() && !request.params[3].get_str().empty()) - mapValue["to"] = request.params[3].get_str(); - - bool fSubtractFeeFromAmount = false; - if (!request.params[4].isNull()) { - fSubtractFeeFromAmount = request.params[4].get_bool(); - } - - CCoinControl coin_control; - if (!request.params[5].isNull()) { - coin_control.m_signal_bip125_rbf = request.params[5].get_bool(); - } - - coin_control.m_avoid_address_reuse = GetAvoidReuseFlag(*pwallet, request.params[8]); - // We also enable partial spend avoidance if reuse avoidance is set. - coin_control.m_avoid_partial_spends |= coin_control.m_avoid_address_reuse; - - SetFeeEstimateMode(*pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[9], /* override_min_fee */ false); - - EnsureWalletIsUnlocked(*pwallet); - - UniValue address_amounts(UniValue::VOBJ); - const std::string address = request.params[0].get_str(); - address_amounts.pushKV(address, request.params[1]); - UniValue subtractFeeFromAmount(UniValue::VARR); - if (fSubtractFeeFromAmount) { - subtractFeeFromAmount.push_back(address); - } - - std::vector<CRecipient> recipients; - ParseRecipients(address_amounts, subtractFeeFromAmount, recipients); - const bool verbose{request.params[10].isNull() ? false : request.params[10].get_bool()}; - - return SendMoney(*pwallet, coin_control, recipients, mapValue, verbose); -}, - }; -} - -static RPCHelpMan sendmany() -{ - return RPCHelpMan{"sendmany", - "\nSend multiple times. Amounts are double-precision floating point numbers." + - HELP_REQUIRING_PASSPHRASE, - { - {"dummy", RPCArg::Type::STR, RPCArg::Optional::NO, "Must be set to \"\" for backwards compatibility.", "\"\""}, - {"amounts", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::NO, "The addresses and amounts", - { - {"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"}, - }, - }, - {"minconf", RPCArg::Type::NUM, RPCArg::Optional::OMITTED_NAMED_ARG, "Ignored dummy value"}, - {"comment", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "A comment"}, - {"subtractfeefrom", RPCArg::Type::ARR, RPCArg::Optional::OMITTED_NAMED_ARG, "The addresses.\n" - "The fee will be equally deducted from the amount of each selected address.\n" - "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" - "If no addresses are specified here, the sender pays the fee.", - { - {"address", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Subtract fee from this address"}, - }, - }, - {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"}, - {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, - {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" - " \"" + FeeModes("\"\n\"") + "\""}, - {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, - {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, return extra infomration about the transaction."}, - }, - { - RPCResult{"if verbose is not set or set to false", - RPCResult::Type::STR_HEX, "txid", "The transaction id for the send. Only 1 transaction is created regardless of\n" - "the number of addresses." - }, - RPCResult{"if verbose is set to true", - RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::STR_HEX, "txid", "The transaction id for the send. Only 1 transaction is created regardless of\n" - "the number of addresses."}, - {RPCResult::Type::STR, "fee_reason", "The transaction fee reason."} - }, - }, - }, - RPCExamples{ - "\nSend two amounts to two different addresses:\n" - + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\"") + - "\nSend two amounts to two different addresses setting the confirmation and comment:\n" - + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\" 6 \"testing\"") + - "\nSend two amounts to two different addresses, subtract fee from amount:\n" - + HelpExampleCli("sendmany", "\"\" \"{\\\"" + EXAMPLE_ADDRESS[0] + "\\\":0.01,\\\"" + EXAMPLE_ADDRESS[1] + "\\\":0.02}\" 1 \"\" \"[\\\"" + EXAMPLE_ADDRESS[0] + "\\\",\\\"" + EXAMPLE_ADDRESS[1] + "\\\"]\"") + - "\nAs a JSON-RPC call\n" - + HelpExampleRpc("sendmany", "\"\", {\"" + EXAMPLE_ADDRESS[0] + "\":0.01,\"" + EXAMPLE_ADDRESS[1] + "\":0.02}, 6, \"testing\"") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - // Make sure the results are valid at least up to the most recent block - // the user could have gotten from another RPC command prior to now - pwallet->BlockUntilSyncedToCurrentChain(); - - LOCK(pwallet->cs_wallet); - - if (!request.params[0].isNull() && !request.params[0].get_str().empty()) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Dummy value must be set to \"\""); - } - UniValue sendTo = request.params[1].get_obj(); - - mapValue_t mapValue; - if (!request.params[3].isNull() && !request.params[3].get_str().empty()) - mapValue["comment"] = request.params[3].get_str(); - - UniValue subtractFeeFromAmount(UniValue::VARR); - if (!request.params[4].isNull()) - subtractFeeFromAmount = request.params[4].get_array(); - - CCoinControl coin_control; - if (!request.params[5].isNull()) { - coin_control.m_signal_bip125_rbf = request.params[5].get_bool(); - } - - SetFeeEstimateMode(*pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[8], /* override_min_fee */ false); - - std::vector<CRecipient> recipients; - ParseRecipients(sendTo, subtractFeeFromAmount, recipients); - const bool verbose{request.params[9].isNull() ? false : request.params[9].get_bool()}; - - return SendMoney(*pwallet, coin_control, recipients, std::move(mapValue), verbose); -}, - }; -} - -static RPCHelpMan settxfee() -{ - return RPCHelpMan{"settxfee", - "\nSet the transaction fee rate in " + CURRENCY_UNIT + "/kvB for this wallet. Overrides the global -paytxfee command line parameter.\n" - "Can be deactivated by passing 0 as the fee. In that case automatic fee selection will be used by default.\n", - { - {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The transaction fee rate in " + CURRENCY_UNIT + "/kvB"}, - }, - RPCResult{ - RPCResult::Type::BOOL, "", "Returns true if successful" - }, - RPCExamples{ - HelpExampleCli("settxfee", "0.00001") - + HelpExampleRpc("settxfee", "0.00001") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - LOCK(pwallet->cs_wallet); - - CAmount nAmount = AmountFromValue(request.params[0]); - CFeeRate tx_fee_rate(nAmount, 1000); - CFeeRate max_tx_fee_rate(pwallet->m_default_max_tx_fee, 1000); - if (tx_fee_rate == CFeeRate(0)) { - // automatic selection - } else if (tx_fee_rate < pwallet->chain().relayMinFee()) { - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than min relay tx fee (%s)", pwallet->chain().relayMinFee().ToString())); - } else if (tx_fee_rate < pwallet->m_min_fee) { - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than wallet min fee (%s)", pwallet->m_min_fee.ToString())); - } else if (tx_fee_rate > max_tx_fee_rate) { - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be more than wallet max tx fee (%s)", max_tx_fee_rate.ToString())); - } - - pwallet->m_pay_tx_fee = tx_fee_rate; - return true; -}, - }; -} - static RPCHelpMan getwalletinfo() { return RPCHelpMan{"getwalletinfo", @@ -801,807 +457,6 @@ static RPCHelpMan unloadwallet() }; } -// Only includes key documentation where the key is snake_case in all RPC methods. MixedCase keys can be added later. -static std::vector<RPCArg> FundTxDoc() -{ - return { - {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, - {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" - " \"" + FeeModes("\"\n\"") + "\""}, - {"replaceable", RPCArg::Type::BOOL, RPCArg::DefaultHint{"wallet default"}, "Marks this transaction as BIP125-replaceable.\n" - "Allows this transaction to be replaced by a transaction with higher fees"}, - {"solving_data", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "Keys and scripts needed for producing a final transaction with a dummy signature.\n" - "Used for fee estimation during coin selection.", - { - {"pubkeys", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Public keys involved in this transaction.", - { - {"pubkey", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A public key"}, - }}, - {"scripts", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Scripts involved in this transaction.", - { - {"script", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A script"}, - }}, - {"descriptors", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Descriptors that provide solving data for this transaction.", - { - {"descriptor", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "A descriptor"}, - }}, - }}, - }; -} - -void FundTransaction(CWallet& wallet, CMutableTransaction& tx, CAmount& fee_out, int& change_position, const UniValue& options, CCoinControl& coinControl, bool override_min_fee) -{ - // Make sure the results are valid at least up to the most recent block - // the user could have gotten from another RPC command prior to now - wallet.BlockUntilSyncedToCurrentChain(); - - change_position = -1; - bool lockUnspents = false; - UniValue subtractFeeFromOutputs; - std::set<int> setSubtractFeeFromOutputs; - - if (!options.isNull()) { - if (options.type() == UniValue::VBOOL) { - // backward compatibility bool only fallback - coinControl.fAllowWatchOnly = options.get_bool(); - } - else { - RPCTypeCheckArgument(options, UniValue::VOBJ); - RPCTypeCheckObj(options, - { - {"add_inputs", UniValueType(UniValue::VBOOL)}, - {"include_unsafe", UniValueType(UniValue::VBOOL)}, - {"add_to_wallet", UniValueType(UniValue::VBOOL)}, - {"changeAddress", UniValueType(UniValue::VSTR)}, - {"change_address", UniValueType(UniValue::VSTR)}, - {"changePosition", UniValueType(UniValue::VNUM)}, - {"change_position", UniValueType(UniValue::VNUM)}, - {"change_type", UniValueType(UniValue::VSTR)}, - {"includeWatching", UniValueType(UniValue::VBOOL)}, - {"include_watching", UniValueType(UniValue::VBOOL)}, - {"inputs", UniValueType(UniValue::VARR)}, - {"lockUnspents", UniValueType(UniValue::VBOOL)}, - {"lock_unspents", UniValueType(UniValue::VBOOL)}, - {"locktime", UniValueType(UniValue::VNUM)}, - {"fee_rate", UniValueType()}, // will be checked by AmountFromValue() in SetFeeEstimateMode() - {"feeRate", UniValueType()}, // will be checked by AmountFromValue() below - {"psbt", UniValueType(UniValue::VBOOL)}, - {"solving_data", UniValueType(UniValue::VOBJ)}, - {"subtractFeeFromOutputs", UniValueType(UniValue::VARR)}, - {"subtract_fee_from_outputs", UniValueType(UniValue::VARR)}, - {"replaceable", UniValueType(UniValue::VBOOL)}, - {"conf_target", UniValueType(UniValue::VNUM)}, - {"estimate_mode", UniValueType(UniValue::VSTR)}, - }, - true, true); - - if (options.exists("add_inputs") ) { - coinControl.m_add_inputs = options["add_inputs"].get_bool(); - } - - if (options.exists("changeAddress") || options.exists("change_address")) { - const std::string change_address_str = (options.exists("change_address") ? options["change_address"] : options["changeAddress"]).get_str(); - CTxDestination dest = DecodeDestination(change_address_str); - - if (!IsValidDestination(dest)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Change address must be a valid bitcoin address"); - } - - coinControl.destChange = dest; - } - - if (options.exists("changePosition") || options.exists("change_position")) { - change_position = (options.exists("change_position") ? options["change_position"] : options["changePosition"]).get_int(); - } - - if (options.exists("change_type")) { - if (options.exists("changeAddress") || options.exists("change_address")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both change address and address type options"); - } - if (std::optional<OutputType> parsed = ParseOutputType(options["change_type"].get_str())) { - coinControl.m_change_type.emplace(parsed.value()); - } else { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown change type '%s'", options["change_type"].get_str())); - } - } - - const UniValue include_watching_option = options.exists("include_watching") ? options["include_watching"] : options["includeWatching"]; - coinControl.fAllowWatchOnly = ParseIncludeWatchonly(include_watching_option, wallet); - - if (options.exists("lockUnspents") || options.exists("lock_unspents")) { - lockUnspents = (options.exists("lock_unspents") ? options["lock_unspents"] : options["lockUnspents"]).get_bool(); - } - - if (options.exists("include_unsafe")) { - coinControl.m_include_unsafe_inputs = options["include_unsafe"].get_bool(); - } - - if (options.exists("feeRate")) { - if (options.exists("fee_rate")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both fee_rate (" + CURRENCY_ATOM + "/vB) and feeRate (" + CURRENCY_UNIT + "/kvB)"); - } - if (options.exists("conf_target")) { - 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."); - } - if (options.exists("estimate_mode")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and feeRate"); - } - coinControl.m_feerate = CFeeRate(AmountFromValue(options["feeRate"])); - coinControl.fOverrideFeeRate = true; - } - - if (options.exists("subtractFeeFromOutputs") || options.exists("subtract_fee_from_outputs") ) - subtractFeeFromOutputs = (options.exists("subtract_fee_from_outputs") ? options["subtract_fee_from_outputs"] : options["subtractFeeFromOutputs"]).get_array(); - - if (options.exists("replaceable")) { - coinControl.m_signal_bip125_rbf = options["replaceable"].get_bool(); - } - SetFeeEstimateMode(wallet, coinControl, options["conf_target"], options["estimate_mode"], options["fee_rate"], override_min_fee); - } - } else { - // if options is null and not a bool - coinControl.fAllowWatchOnly = ParseIncludeWatchonly(NullUniValue, wallet); - } - - if (options.exists("solving_data")) { - const UniValue solving_data = options["solving_data"].get_obj(); - if (solving_data.exists("pubkeys")) { - for (const UniValue& pk_univ : solving_data["pubkeys"].get_array().getValues()) { - const std::string& pk_str = pk_univ.get_str(); - if (!IsHex(pk_str)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' is not hex", pk_str)); - } - const std::vector<unsigned char> data(ParseHex(pk_str)); - const CPubKey pubkey(data.begin(), data.end()); - if (!pubkey.IsFullyValid()) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' is not a valid public key", pk_str)); - } - coinControl.m_external_provider.pubkeys.emplace(pubkey.GetID(), pubkey); - // Add witness script for pubkeys - const CScript wit_script = GetScriptForDestination(WitnessV0KeyHash(pubkey)); - coinControl.m_external_provider.scripts.emplace(CScriptID(wit_script), wit_script); - } - } - - if (solving_data.exists("scripts")) { - for (const UniValue& script_univ : solving_data["scripts"].get_array().getValues()) { - const std::string& script_str = script_univ.get_str(); - if (!IsHex(script_str)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("'%s' is not hex", script_str)); - } - std::vector<unsigned char> script_data(ParseHex(script_str)); - const CScript script(script_data.begin(), script_data.end()); - coinControl.m_external_provider.scripts.emplace(CScriptID(script), script); - } - } - - if (solving_data.exists("descriptors")) { - for (const UniValue& desc_univ : solving_data["descriptors"].get_array().getValues()) { - const std::string& desc_str = desc_univ.get_str(); - FlatSigningProvider desc_out; - std::string error; - std::vector<CScript> scripts_temp; - std::unique_ptr<Descriptor> desc = Parse(desc_str, desc_out, error, true); - if (!desc) { - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Unable to parse descriptor '%s': %s", desc_str, error)); - } - desc->Expand(0, desc_out, scripts_temp, desc_out); - coinControl.m_external_provider = Merge(coinControl.m_external_provider, desc_out); - } - } - } - - if (tx.vout.size() == 0) - throw JSONRPCError(RPC_INVALID_PARAMETER, "TX must have at least one output"); - - if (change_position != -1 && (change_position < 0 || (unsigned int)change_position > tx.vout.size())) - throw JSONRPCError(RPC_INVALID_PARAMETER, "changePosition out of bounds"); - - for (unsigned int idx = 0; idx < subtractFeeFromOutputs.size(); idx++) { - int pos = subtractFeeFromOutputs[idx].get_int(); - if (setSubtractFeeFromOutputs.count(pos)) - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, duplicated position: %d", pos)); - if (pos < 0) - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, negative position: %d", pos)); - if (pos >= int(tx.vout.size())) - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, position too large: %d", pos)); - setSubtractFeeFromOutputs.insert(pos); - } - - // Fetch specified UTXOs from the UTXO set to get the scriptPubKeys and values of the outputs being selected - // and to match with the given solving_data. Only used for non-wallet outputs. - std::map<COutPoint, Coin> coins; - for (const CTxIn& txin : tx.vin) { - coins[txin.prevout]; // Create empty map entry keyed by prevout. - } - wallet.chain().findCoins(coins); - for (const auto& coin : coins) { - if (!coin.second.out.IsNull()) { - coinControl.SelectExternal(coin.first, coin.second.out); - } - } - - bilingual_str error; - - if (!FundTransaction(wallet, tx, fee_out, change_position, error, lockUnspents, setSubtractFeeFromOutputs, coinControl)) { - throw JSONRPCError(RPC_WALLET_ERROR, error.original); - } -} - -static RPCHelpMan fundrawtransaction() -{ - return RPCHelpMan{"fundrawtransaction", - "\nIf the transaction has no inputs, they will be automatically selected to meet its out value.\n" - "It will add at most one change output to the outputs.\n" - "No existing outputs will be modified unless \"subtractFeeFromOutputs\" is specified.\n" - "Note that inputs which were signed may need to be resigned after completion since in/outputs have been added.\n" - "The inputs added will not be signed, use signrawtransactionwithkey\n" - "or signrawtransactionwithwallet for that.\n" - "All existing inputs must either have their previous output transaction be in the wallet\n" - "or be in the UTXO set. Solving data must be provided for non-wallet inputs.\n" - "Note that all inputs selected must be of standard form and P2SH scripts must be\n" - "in the wallet using importaddress or addmultisigaddress (to calculate fees).\n" - "You can see whether this is the case by checking the \"solvable\" field in the listunspent output.\n" - "Only pay-to-pubkey, multisig, and P2SH versions thereof are currently supported for watch-only\n", - { - {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex string of the raw transaction"}, - {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "for backward compatibility: passing in a true instead of an object will result in {\"includeWatching\":true}", - Cat<std::vector<RPCArg>>( - { - {"add_inputs", RPCArg::Type::BOOL, RPCArg::Default{true}, "For a transaction with existing inputs, automatically include more if they are not enough."}, - {"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" - "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n" - "If that happens, you will need to fund the transaction with different inputs and republish it."}, - {"changeAddress", RPCArg::Type::STR, RPCArg::DefaultHint{"pool address"}, "The bitcoin address to receive the change"}, - {"changePosition", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"}, - {"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\", and \"bech32\"."}, - {"includeWatching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only.\n" - "Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,\n" - "e.g. with 'importpubkey' or 'importmulti' with the 'pubkeys' or 'desc' field."}, - {"lockUnspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"}, - {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, - {"feeRate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_UNIT + "/kvB."}, - {"subtractFeeFromOutputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The integers.\n" - "The fee will be equally deducted from the amount of each specified output.\n" - "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" - "If no outputs are specified here, the sender pays the fee.", - { - {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."}, - }, - }, - }, - FundTxDoc()), - "options"}, - {"iswitness", RPCArg::Type::BOOL, RPCArg::DefaultHint{"depends on heuristic tests"}, "Whether the transaction hex is a serialized witness transaction.\n" - "If iswitness is not present, heuristic tests will be used in decoding.\n" - "If true, only witness deserialization will be tried.\n" - "If false, only non-witness deserialization will be tried.\n" - "This boolean should reflect whether the transaction has inputs\n" - "(e.g. fully valid, or on-chain transactions), if known by the caller." - }, - }, - RPCResult{ - RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::STR_HEX, "hex", "The resulting raw transaction (hex-encoded string)"}, - {RPCResult::Type::STR_AMOUNT, "fee", "Fee in " + CURRENCY_UNIT + " the resulting transaction pays"}, - {RPCResult::Type::NUM, "changepos", "The position of the added change output, or -1"}, - } - }, - RPCExamples{ - "\nCreate a transaction with no inputs\n" - + HelpExampleCli("createrawtransaction", "\"[]\" \"{\\\"myaddress\\\":0.01}\"") + - "\nAdd sufficient unsigned inputs to meet the output value\n" - + HelpExampleCli("fundrawtransaction", "\"rawtransactionhex\"") + - "\nSign the transaction\n" - + HelpExampleCli("signrawtransactionwithwallet", "\"fundedtransactionhex\"") + - "\nSend the transaction\n" - + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - RPCTypeCheck(request.params, {UniValue::VSTR, UniValueType(), UniValue::VBOOL}); - - // parse hex string from parameter - CMutableTransaction tx; - bool try_witness = request.params[2].isNull() ? true : request.params[2].get_bool(); - bool try_no_witness = request.params[2].isNull() ? true : !request.params[2].get_bool(); - if (!DecodeHexTx(tx, request.params[0].get_str(), try_no_witness, try_witness)) { - throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); - } - - CAmount fee; - int change_position; - CCoinControl coin_control; - // Automatically select (additional) coins. Can be overridden by options.add_inputs. - coin_control.m_add_inputs = true; - FundTransaction(*pwallet, tx, fee, change_position, request.params[1], coin_control, /* override_min_fee */ true); - - UniValue result(UniValue::VOBJ); - result.pushKV("hex", EncodeHexTx(CTransaction(tx))); - result.pushKV("fee", ValueFromAmount(fee)); - result.pushKV("changepos", change_position); - - return result; -}, - }; -} - -RPCHelpMan signrawtransactionwithwallet() -{ - return RPCHelpMan{"signrawtransactionwithwallet", - "\nSign inputs for raw transaction (serialized, hex-encoded).\n" - "The second optional argument (may be null) is an array of previous transaction outputs that\n" - "this transaction depends on but may not yet be in the block chain." + - HELP_REQUIRING_PASSPHRASE, - { - {"hexstring", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction hex string"}, - {"prevtxs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED_NAMED_ARG, "The previous dependent transaction outputs", - { - {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", - { - {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"}, - {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"}, - {"scriptPubKey", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "script key"}, - {"redeemScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2SH) redeem script"}, - {"witnessScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2WSH or P2SH-P2WSH) witness script"}, - {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::OMITTED, "(required for Segwit inputs) the amount spent"}, - }, - }, - }, - }, - {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT"}, "The signature hash type. Must be one of\n" - " \"DEFAULT\"\n" - " \"ALL\"\n" - " \"NONE\"\n" - " \"SINGLE\"\n" - " \"ALL|ANYONECANPAY\"\n" - " \"NONE|ANYONECANPAY\"\n" - " \"SINGLE|ANYONECANPAY\""}, - }, - RPCResult{ - RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::STR_HEX, "hex", "The hex-encoded raw transaction with signature(s)"}, - {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"}, - {RPCResult::Type::ARR, "errors", /* optional */ true, "Script verification errors (if there are any)", - { - {RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::STR_HEX, "txid", "The hash of the referenced, previous transaction"}, - {RPCResult::Type::NUM, "vout", "The index of the output to spent and used as input"}, - {RPCResult::Type::ARR, "witness", "", - { - {RPCResult::Type::STR_HEX, "witness", ""}, - }}, - {RPCResult::Type::STR_HEX, "scriptSig", "The hex-encoded signature script"}, - {RPCResult::Type::NUM, "sequence", "Script sequence number"}, - {RPCResult::Type::STR, "error", "Verification or signing error related to the input"}, - }}, - }}, - } - }, - RPCExamples{ - HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"") - + HelpExampleRpc("signrawtransactionwithwallet", "\"myhex\"") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VARR, UniValue::VSTR}, true); - - CMutableTransaction mtx; - if (!DecodeHexTx(mtx, request.params[0].get_str())) { - throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input."); - } - - // Sign the transaction - LOCK(pwallet->cs_wallet); - EnsureWalletIsUnlocked(*pwallet); - - // Fetch previous transactions (inputs): - std::map<COutPoint, Coin> coins; - for (const CTxIn& txin : mtx.vin) { - coins[txin.prevout]; // Create empty map entry keyed by prevout. - } - pwallet->chain().findCoins(coins); - - // Parse the prevtxs array - ParsePrevouts(request.params[1], nullptr, coins); - - int nHashType = ParseSighashString(request.params[2]); - - // Script verification errors - std::map<int, bilingual_str> input_errors; - - bool complete = pwallet->SignTransaction(mtx, coins, nHashType, input_errors); - UniValue result(UniValue::VOBJ); - SignTransactionResultToJSON(mtx, complete, coins, input_errors, result); - return result; -}, - }; -} - -static RPCHelpMan bumpfee_helper(std::string method_name) -{ - const bool want_psbt = method_name == "psbtbumpfee"; - const std::string incremental_fee{CFeeRate(DEFAULT_INCREMENTAL_RELAY_FEE).ToString(FeeEstimateMode::SAT_VB)}; - - return RPCHelpMan{method_name, - "\nBumps the fee of an opt-in-RBF transaction T, replacing it with a new transaction B.\n" - + std::string(want_psbt ? "Returns a PSBT instead of creating and signing a new transaction.\n" : "") + - "An opt-in RBF transaction with the given txid must be in the wallet.\n" - "The command will pay the additional fee by reducing change outputs or adding inputs when necessary.\n" - "It may add a new change output if one does not already exist.\n" - "All inputs in the original transaction will be included in the replacement transaction.\n" - "The command will fail if the wallet or mempool contains a transaction that spends one of T's outputs.\n" - "By default, the new fee will be calculated automatically using the estimatesmartfee RPC.\n" - "The user can specify a confirmation target for estimatesmartfee.\n" - "Alternatively, the user can specify a fee rate in " + CURRENCY_ATOM + "/vB for the new transaction.\n" - "At a minimum, the new fee rate must be high enough to pay an additional new relay fee (incrementalfee\n" - "returned by getnetworkinfo) to enter the node's mempool.\n" - "* WARNING: before version 0.21, fee_rate was in " + CURRENCY_UNIT + "/kvB. As of 0.21, fee_rate is in " + CURRENCY_ATOM + "/vB. *\n", - { - {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The txid to be bumped"}, - {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "", - { - {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks\n"}, - {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, - "\nSpecify a fee rate in " + CURRENCY_ATOM + "/vB instead of relying on the built-in fee estimator.\n" - "Must be at least " + incremental_fee + " higher than the current transaction fee rate.\n" - "WARNING: before version 0.21, fee_rate was in " + CURRENCY_UNIT + "/kvB. As of 0.21, fee_rate is in " + CURRENCY_ATOM + "/vB.\n"}, - {"replaceable", RPCArg::Type::BOOL, RPCArg::Default{true}, "Whether the new transaction should still be\n" - "marked bip-125 replaceable. If true, the sequence numbers in the transaction will\n" - "be left unchanged from the original. If false, any input sequence numbers in the\n" - "original transaction that were less than 0xfffffffe will be increased to 0xfffffffe\n" - "so the new transaction will not be explicitly bip-125 replaceable (though it may\n" - "still be replaceable in practice, for example if it has unconfirmed ancestors which\n" - "are replaceable).\n"}, - {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, "The fee estimate mode, must be one of (case insensitive):\n" - "\"" + FeeModes("\"\n\"") + "\""}, - }, - "options"}, - }, - RPCResult{ - RPCResult::Type::OBJ, "", "", Cat( - want_psbt ? - std::vector<RPCResult>{{RPCResult::Type::STR, "psbt", "The base64-encoded unsigned PSBT of the new transaction."}} : - std::vector<RPCResult>{{RPCResult::Type::STR_HEX, "txid", "The id of the new transaction."}}, - { - {RPCResult::Type::STR_AMOUNT, "origfee", "The fee of the replaced transaction."}, - {RPCResult::Type::STR_AMOUNT, "fee", "The fee of the new transaction."}, - {RPCResult::Type::ARR, "errors", "Errors encountered during processing (may be empty).", - { - {RPCResult::Type::STR, "", ""}, - }}, - }) - }, - RPCExamples{ - "\nBump the fee, get the new transaction\'s " + std::string(want_psbt ? "psbt" : "txid") + "\n" + - HelpExampleCli(method_name, "<txid>") - }, - [want_psbt](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !want_psbt) { - throw JSONRPCError(RPC_WALLET_ERROR, "bumpfee is not available with wallets that have private keys disabled. Use psbtbumpfee instead."); - } - - RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VOBJ}); - uint256 hash(ParseHashV(request.params[0], "txid")); - - CCoinControl coin_control; - coin_control.fAllowWatchOnly = pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS); - // optional parameters - coin_control.m_signal_bip125_rbf = true; - - if (!request.params[1].isNull()) { - UniValue options = request.params[1]; - RPCTypeCheckObj(options, - { - {"confTarget", UniValueType(UniValue::VNUM)}, - {"conf_target", UniValueType(UniValue::VNUM)}, - {"fee_rate", UniValueType()}, // will be checked by AmountFromValue() in SetFeeEstimateMode() - {"replaceable", UniValueType(UniValue::VBOOL)}, - {"estimate_mode", UniValueType(UniValue::VSTR)}, - }, - true, true); - - if (options.exists("confTarget") && options.exists("conf_target")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "confTarget and conf_target options should not both be set. Use conf_target (confTarget is deprecated)."); - } - - auto conf_target = options.exists("confTarget") ? options["confTarget"] : options["conf_target"]; - - if (options.exists("replaceable")) { - coin_control.m_signal_bip125_rbf = options["replaceable"].get_bool(); - } - SetFeeEstimateMode(*pwallet, coin_control, conf_target, options["estimate_mode"], options["fee_rate"], /* override_min_fee */ false); - } - - // Make sure the results are valid at least up to the most recent block - // the user could have gotten from another RPC command prior to now - pwallet->BlockUntilSyncedToCurrentChain(); - - LOCK(pwallet->cs_wallet); - - EnsureWalletIsUnlocked(*pwallet); - - - std::vector<bilingual_str> errors; - CAmount old_fee; - CAmount new_fee; - CMutableTransaction mtx; - feebumper::Result res; - // Targeting feerate bump. - res = feebumper::CreateRateBumpTransaction(*pwallet, hash, coin_control, errors, old_fee, new_fee, mtx); - if (res != feebumper::Result::OK) { - switch(res) { - case feebumper::Result::INVALID_ADDRESS_OR_KEY: - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, errors[0].original); - break; - case feebumper::Result::INVALID_REQUEST: - throw JSONRPCError(RPC_INVALID_REQUEST, errors[0].original); - break; - case feebumper::Result::INVALID_PARAMETER: - throw JSONRPCError(RPC_INVALID_PARAMETER, errors[0].original); - break; - case feebumper::Result::WALLET_ERROR: - throw JSONRPCError(RPC_WALLET_ERROR, errors[0].original); - break; - default: - throw JSONRPCError(RPC_MISC_ERROR, errors[0].original); - break; - } - } - - UniValue result(UniValue::VOBJ); - - // For bumpfee, return the new transaction id. - // For psbtbumpfee, return the base64-encoded unsigned PSBT of the new transaction. - if (!want_psbt) { - if (!feebumper::SignTransaction(*pwallet, mtx)) { - throw JSONRPCError(RPC_WALLET_ERROR, "Can't sign transaction."); - } - - uint256 txid; - if (feebumper::CommitTransaction(*pwallet, hash, std::move(mtx), errors, txid) != feebumper::Result::OK) { - throw JSONRPCError(RPC_WALLET_ERROR, errors[0].original); - } - - result.pushKV("txid", txid.GetHex()); - } else { - PartiallySignedTransaction psbtx(mtx); - bool complete = false; - const TransactionError err = pwallet->FillPSBT(psbtx, complete, SIGHASH_DEFAULT, false /* sign */, true /* bip32derivs */); - CHECK_NONFATAL(err == TransactionError::OK); - CHECK_NONFATAL(!complete); - CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); - ssTx << psbtx; - result.pushKV("psbt", EncodeBase64(ssTx.str())); - } - - result.pushKV("origfee", ValueFromAmount(old_fee)); - result.pushKV("fee", ValueFromAmount(new_fee)); - UniValue result_errors(UniValue::VARR); - for (const bilingual_str& error : errors) { - result_errors.push_back(error.original); - } - result.pushKV("errors", result_errors); - - return result; -}, - }; -} - -static RPCHelpMan bumpfee() { return bumpfee_helper("bumpfee"); } -static RPCHelpMan psbtbumpfee() { return bumpfee_helper("psbtbumpfee"); } - -static RPCHelpMan send() -{ - return RPCHelpMan{"send", - "\nEXPERIMENTAL warning: this call may be changed in future releases.\n" - "\nSend a transaction.\n", - { - {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The outputs (key-value pairs), where none of the keys are duplicated.\n" - "That is, each address can only appear once and there can only be one 'data' object.\n" - "For convenience, a dictionary, which holds the key-value pairs directly, is also accepted.", - { - {"", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::OMITTED, "", - { - {"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 + ""}, - }, - }, - {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", - { - {"data", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A key-value pair. The key must be \"data\", the value is hex-encoded data"}, - }, - }, - }, - }, - {"conf_target", RPCArg::Type::NUM, RPCArg::DefaultHint{"wallet -txconfirmtarget"}, "Confirmation target in blocks"}, - {"estimate_mode", RPCArg::Type::STR, RPCArg::Default{"unset"}, std::string() + "The fee estimate mode, must be one of (case insensitive):\n" - " \"" + FeeModes("\"\n\"") + "\""}, - {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, - {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "", - Cat<std::vector<RPCArg>>( - { - {"add_inputs", RPCArg::Type::BOOL, RPCArg::Default{false}, "If inputs are specified, automatically include more if they are not enough."}, - {"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" - "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n" - "If that happens, you will need to fund the transaction with different inputs and republish it."}, - {"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"}, - {"change_address", RPCArg::Type::STR_HEX, RPCArg::DefaultHint{"pool address"}, "The bitcoin address to receive the change"}, - {"change_position", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"}, - {"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\", and \"bech32\"."}, - {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, - {"include_watching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only.\n" - "Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,\n" - "e.g. with 'importpubkey' or 'importmulti' with the 'pubkeys' or 'desc' field."}, - {"inputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Specify inputs instead of adding them automatically. A JSON array of JSON objects", - { - {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"}, - {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"}, - {"sequence", RPCArg::Type::NUM, RPCArg::Optional::NO, "The sequence number"}, - }, - }, - {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"}, - {"lock_unspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"}, - {"psbt", RPCArg::Type::BOOL, RPCArg::DefaultHint{"automatic"}, "Always return a PSBT, implies add_to_wallet=false."}, - {"subtract_fee_from_outputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "Outputs to subtract the fee from, specified as integer indices.\n" - "The fee will be equally deducted from the amount of each specified output.\n" - "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" - "If no outputs are specified here, the sender pays the fee.", - { - {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."}, - }, - }, - }, - FundTxDoc()), - "options"}, - }, - RPCResult{ - RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"}, - {RPCResult::Type::STR_HEX, "txid", /* optional */ true, "The transaction id for the send. Only 1 transaction is created regardless of the number of addresses."}, - {RPCResult::Type::STR_HEX, "hex", /* optional */ true, "If add_to_wallet is false, the hex-encoded raw transaction with signature(s)"}, - {RPCResult::Type::STR, "psbt", /* optional */ true, "If more signatures are needed, or if add_to_wallet is false, the base64-encoded (partially) signed transaction"} - } - }, - RPCExamples{"" - "\nSend 0.1 BTC with a confirmation target of 6 blocks in economical fee estimate mode\n" - + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 6 economical\n") + - "Send 0.2 BTC with a fee rate of 1.1 " + CURRENCY_ATOM + "/vB using positional arguments\n" - + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.2}' null \"unset\" 1.1\n") + - "Send 0.2 BTC with a fee rate of 1 " + CURRENCY_ATOM + "/vB using the options argument\n" - + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.2}' null \"unset\" null '{\"fee_rate\": 1}'\n") + - "Send 0.3 BTC with a fee rate of 25 " + CURRENCY_ATOM + "/vB using named arguments\n" - + HelpExampleCli("-named send", "outputs='{\"" + EXAMPLE_ADDRESS[0] + "\": 0.3}' fee_rate=25\n") + - "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" - + HelpExampleCli("send", "'{\"" + EXAMPLE_ADDRESS[0] + "\": 0.1}' 1 economical '{\"add_to_wallet\": false, \"inputs\": [{\"txid\":\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\", \"vout\":1}]}'") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue - { - RPCTypeCheck(request.params, { - UniValueType(), // outputs (ARR or OBJ, checked later) - UniValue::VNUM, // conf_target - UniValue::VSTR, // estimate_mode - UniValueType(), // fee_rate, will be checked by AmountFromValue() in SetFeeEstimateMode() - UniValue::VOBJ, // options - }, true - ); - - std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - UniValue options{request.params[4].isNull() ? UniValue::VOBJ : request.params[4]}; - if (options.exists("conf_target") || options.exists("estimate_mode")) { - if (!request.params[1].isNull() || !request.params[2].isNull()) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Pass conf_target and estimate_mode either as arguments or in the options object, but not both"); - } - } else { - options.pushKV("conf_target", request.params[1]); - options.pushKV("estimate_mode", request.params[2]); - } - if (options.exists("fee_rate")) { - if (!request.params[3].isNull()) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Pass the fee_rate either as an argument, or in the options object, but not both"); - } - } else { - options.pushKV("fee_rate", request.params[3]); - } - if (!options["conf_target"].isNull() && (options["estimate_mode"].isNull() || (options["estimate_mode"].get_str() == "unset"))) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Specify estimate_mode"); - } - if (options.exists("feeRate")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Use fee_rate (" + CURRENCY_ATOM + "/vB) instead of feeRate"); - } - if (options.exists("changeAddress")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Use change_address"); - } - if (options.exists("changePosition")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Use change_position"); - } - if (options.exists("includeWatching")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Use include_watching"); - } - if (options.exists("lockUnspents")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Use lock_unspents"); - } - if (options.exists("subtractFeeFromOutputs")) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Use subtract_fee_from_outputs"); - } - - const bool psbt_opt_in = options.exists("psbt") && options["psbt"].get_bool(); - - CAmount fee; - int change_position; - bool rbf = pwallet->m_signal_rbf; - if (options.exists("replaceable")) { - rbf = options["replaceable"].get_bool(); - } - CMutableTransaction rawTx = ConstructTransaction(options["inputs"], request.params[0], options["locktime"], rbf); - CCoinControl coin_control; - // Automatically select coins, unless at least one is manually selected. Can - // be overridden by options.add_inputs. - coin_control.m_add_inputs = rawTx.vin.size() == 0; - FundTransaction(*pwallet, rawTx, fee, change_position, options, coin_control, /* override_min_fee */ false); - - bool add_to_wallet = true; - if (options.exists("add_to_wallet")) { - add_to_wallet = options["add_to_wallet"].get_bool(); - } - - // Make a blank psbt - PartiallySignedTransaction psbtx(rawTx); - - // First fill transaction with our data without signing, - // so external signers are not asked sign more than once. - bool complete; - pwallet->FillPSBT(psbtx, complete, SIGHASH_DEFAULT, false, true); - const TransactionError err = pwallet->FillPSBT(psbtx, complete, SIGHASH_DEFAULT, true, false); - if (err != TransactionError::OK) { - throw JSONRPCTransactionError(err); - } - - CMutableTransaction mtx; - complete = FinalizeAndExtractPSBT(psbtx, mtx); - - UniValue result(UniValue::VOBJ); - - if (psbt_opt_in || !complete || !add_to_wallet) { - // Serialize the PSBT - CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); - ssTx << psbtx; - result.pushKV("psbt", EncodeBase64(ssTx.str())); - } - - if (complete) { - std::string err_string; - std::string hex = EncodeHexTx(CTransaction(mtx)); - CTransactionRef tx(MakeTransactionRef(std::move(mtx))); - result.pushKV("txid", tx->GetHash().GetHex()); - if (add_to_wallet && !psbt_opt_in) { - pwallet->CommitTransaction(tx, {}, {} /* orderForm */); - } else { - result.pushKV("hex", hex); - } - } - result.pushKV("complete", complete); - - return result; - } - }; -} - static RPCHelpMan sethdseed() { return RPCHelpMan{"sethdseed", @@ -1673,216 +528,6 @@ static RPCHelpMan sethdseed() }; } -static RPCHelpMan walletprocesspsbt() -{ - return RPCHelpMan{"walletprocesspsbt", - "\nUpdate a PSBT with input information from our wallet and then sign inputs\n" - "that we can sign for." + - HELP_REQUIRING_PASSPHRASE, - { - {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction base64 string"}, - {"sign", RPCArg::Type::BOOL, RPCArg::Default{true}, "Also sign the transaction when updating (requires wallet to be unlocked)"}, - {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT"}, "The signature hash type to sign with if not specified by the PSBT. Must be one of\n" - " \"DEFAULT\"\n" - " \"ALL\"\n" - " \"NONE\"\n" - " \"SINGLE\"\n" - " \"ALL|ANYONECANPAY\"\n" - " \"NONE|ANYONECANPAY\"\n" - " \"SINGLE|ANYONECANPAY\""}, - {"bip32derivs", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include BIP 32 derivation paths for public keys if we know them"}, - {"finalize", RPCArg::Type::BOOL, RPCArg::Default{true}, "Also finalize inputs if possible"}, - }, - RPCResult{ - RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::STR, "psbt", "The base64-encoded partially signed transaction"}, - {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"}, - } - }, - RPCExamples{ - HelpExampleCli("walletprocesspsbt", "\"psbt\"") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - const CWallet& wallet{*pwallet}; - // Make sure the results are valid at least up to the most recent block - // the user could have gotten from another RPC command prior to now - wallet.BlockUntilSyncedToCurrentChain(); - - RPCTypeCheck(request.params, {UniValue::VSTR}); - - // Unserialize the transaction - PartiallySignedTransaction psbtx; - std::string error; - if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) { - throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error)); - } - - // Get the sighash type - int nHashType = ParseSighashString(request.params[2]); - - // Fill transaction with our data and also sign - bool sign = request.params[1].isNull() ? true : request.params[1].get_bool(); - bool bip32derivs = request.params[3].isNull() ? true : request.params[3].get_bool(); - bool finalize = request.params[4].isNull() ? true : request.params[4].get_bool(); - bool complete = true; - - if (sign) EnsureWalletIsUnlocked(*pwallet); - - const TransactionError err{wallet.FillPSBT(psbtx, complete, nHashType, sign, bip32derivs, nullptr, finalize)}; - if (err != TransactionError::OK) { - throw JSONRPCTransactionError(err); - } - - UniValue result(UniValue::VOBJ); - CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); - ssTx << psbtx; - result.pushKV("psbt", EncodeBase64(ssTx.str())); - result.pushKV("complete", complete); - - return result; -}, - }; -} - -static RPCHelpMan walletcreatefundedpsbt() -{ - return RPCHelpMan{"walletcreatefundedpsbt", - "\nCreates and funds a transaction in the Partially Signed Transaction format.\n" - "Implements the Creator and Updater roles.\n" - "All existing inputs must either have their previous output transaction be in the wallet\n" - "or be in the UTXO set. Solving data must be provided for non-wallet inputs.\n", - { - {"inputs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED_NAMED_ARG, "Leave empty to add inputs automatically. See add_inputs option.", - { - {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", - { - {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"}, - {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"}, - {"sequence", RPCArg::Type::NUM, RPCArg::DefaultHint{"depends on the value of the 'locktime' and 'options.replaceable' arguments"}, "The sequence number"}, - }, - }, - }, - }, - {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The outputs (key-value pairs), where none of the keys are duplicated.\n" - "That is, each address can only appear once and there can only be one 'data' object.\n" - "For compatibility reasons, a dictionary, which holds the key-value pairs directly, is also\n" - "accepted as second parameter.", - { - {"", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::OMITTED, "", - { - {"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 + ""}, - }, - }, - {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "", - { - {"data", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A key-value pair. The key must be \"data\", the value is hex-encoded data"}, - }, - }, - }, - }, - {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"}, - {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "", - Cat<std::vector<RPCArg>>( - { - {"add_inputs", RPCArg::Type::BOOL, RPCArg::Default{false}, "If inputs are specified, automatically include more if they are not enough."}, - {"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" - "Warning: the resulting transaction may become invalid if one of the unsafe inputs disappears.\n" - "If that happens, you will need to fund the transaction with different inputs and republish it."}, - {"changeAddress", RPCArg::Type::STR_HEX, RPCArg::DefaultHint{"pool address"}, "The bitcoin address to receive the change"}, - {"changePosition", RPCArg::Type::NUM, RPCArg::DefaultHint{"random"}, "The index of the change output"}, - {"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\", and \"bech32\"."}, - {"includeWatching", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also select inputs which are watch only"}, - {"lockUnspents", RPCArg::Type::BOOL, RPCArg::Default{false}, "Lock selected unspent outputs"}, - {"fee_rate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_ATOM + "/vB."}, - {"feeRate", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"not set, fall back to wallet fee estimation"}, "Specify a fee rate in " + CURRENCY_UNIT + "/kvB."}, - {"subtractFeeFromOutputs", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The outputs to subtract the fee from.\n" - "The fee will be equally deducted from the amount of each specified output.\n" - "Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n" - "If no outputs are specified here, the sender pays the fee.", - { - {"vout_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "The zero-based output index, before a change output is added."}, - }, - }, - }, - FundTxDoc()), - "options"}, - {"bip32derivs", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include BIP 32 derivation paths for public keys if we know them"}, - }, - RPCResult{ - RPCResult::Type::OBJ, "", "", - { - {RPCResult::Type::STR, "psbt", "The resulting raw transaction (base64-encoded string)"}, - {RPCResult::Type::STR_AMOUNT, "fee", "Fee in " + CURRENCY_UNIT + " the resulting transaction pays"}, - {RPCResult::Type::NUM, "changepos", "The position of the added change output, or -1"}, - } - }, - RPCExamples{ - "\nCreate a transaction with no inputs\n" - + HelpExampleCli("walletcreatefundedpsbt", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"") - }, - [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue -{ - std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request); - if (!pwallet) return NullUniValue; - - CWallet& wallet{*pwallet}; - // Make sure the results are valid at least up to the most recent block - // the user could have gotten from another RPC command prior to now - wallet.BlockUntilSyncedToCurrentChain(); - - RPCTypeCheck(request.params, { - UniValue::VARR, - UniValueType(), // ARR or OBJ, checked later - UniValue::VNUM, - UniValue::VOBJ, - UniValue::VBOOL - }, true - ); - - CAmount fee; - int change_position; - bool rbf{wallet.m_signal_rbf}; - const UniValue &replaceable_arg = request.params[3]["replaceable"]; - if (!replaceable_arg.isNull()) { - RPCTypeCheckArgument(replaceable_arg, UniValue::VBOOL); - rbf = replaceable_arg.isTrue(); - } - CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf); - CCoinControl coin_control; - // Automatically select coins, unless at least one is manually selected. Can - // be overridden by options.add_inputs. - coin_control.m_add_inputs = rawTx.vin.size() == 0; - FundTransaction(wallet, rawTx, fee, change_position, request.params[3], coin_control, /* override_min_fee */ true); - - // Make a blank psbt - PartiallySignedTransaction psbtx(rawTx); - - // Fill transaction with out data but don't sign - bool bip32derivs = request.params[4].isNull() ? true : request.params[4].get_bool(); - bool complete = true; - const TransactionError err{wallet.FillPSBT(psbtx, complete, 1, false, bip32derivs)}; - if (err != TransactionError::OK) { - throw JSONRPCTransactionError(err); - } - - // Serialize the PSBT - CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); - ssTx << psbtx; - - UniValue result(UniValue::VOBJ); - result.pushKV("psbt", EncodeBase64(ssTx.str())); - result.pushKV("fee", ValueFromAmount(fee)); - result.pushKV("changepos", change_position); - return result; -}, - }; -} - static RPCHelpMan upgradewallet() { return RPCHelpMan{"upgradewallet", @@ -1993,6 +638,17 @@ RPCHelpMan walletpassphrasechange(); RPCHelpMan walletlock(); RPCHelpMan encryptwallet(); +// spend +RPCHelpMan sendtoaddress(); +RPCHelpMan sendmany(); +RPCHelpMan settxfee(); +RPCHelpMan fundrawtransaction(); +RPCHelpMan bumpfee(); +RPCHelpMan psbtbumpfee(); +RPCHelpMan send(); +RPCHelpMan walletprocesspsbt(); +RPCHelpMan walletcreatefundedpsbt(); + // transactions RPCHelpMan listreceivedbyaddress(); RPCHelpMan listreceivedbylabel(); |