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rpcwallet.cpp
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rpcwallet.cpp
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// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2020 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 <amount.h>
#include <core_io.h>
#include <interfaces/chain.h>
#include <key_io.h>
#include <node/context.h>
#include <optional.h>
#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/bip32.h>
#include <util/fees.h>
#include <util/message.h> // For MessageSign()
#include <util/moneystr.h>
#include <util/ref.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/rpcwallet.h>
#include <wallet/wallet.h>
#include <wallet/walletdb.h>
#include <wallet/walletutil.h>
#include <stdint.h>
#include <univalue.h>
using interfaces::FoundBlock;
static const std::string WALLET_ENDPOINT_BASE = "/wallet/";
static const std::string HELP_REQUIRING_PASSPHRASE{"\nRequires wallet passphrase to be set with walletpassphrase call if wallet is encrypted.\n"};
static inline bool GetAvoidReuseFlag(const CWallet* const pwallet, const UniValue& param) {
bool can_avoid_reuse = pwallet->IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE);
bool avoid_reuse = param.isNull() ? can_avoid_reuse : param.get_bool();
if (avoid_reuse && !can_avoid_reuse) {
throw JSONRPCError(RPC_WALLET_ERROR, "wallet does not have the \"avoid reuse\" feature enabled");
}
return avoid_reuse;
}
/** Used by RPC commands that have an include_watchonly parameter.
* We default to true for watchonly wallets if include_watchonly isn't
* explicitly set.
*/
static bool ParseIncludeWatchonly(const UniValue& include_watchonly, const CWallet& pwallet)
{
if (include_watchonly.isNull()) {
// if include_watchonly isn't explicitly set, then check if we have a watchonly wallet
return pwallet.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
}
// otherwise return whatever include_watchonly was set to
return include_watchonly.get_bool();
}
/** Checks if a CKey is in the given CWallet compressed or otherwise*/
bool HaveKey(const SigningProvider& wallet, const CKey& key)
{
CKey key2;
key2.Set(key.begin(), key.end(), !key.IsCompressed());
return wallet.HaveKey(key.GetPubKey().GetID()) || wallet.HaveKey(key2.GetPubKey().GetID());
}
bool GetWalletNameFromJSONRPCRequest(const JSONRPCRequest& request, std::string& wallet_name)
{
if (URL_DECODE && request.URI.substr(0, WALLET_ENDPOINT_BASE.size()) == WALLET_ENDPOINT_BASE) {
// wallet endpoint was used
wallet_name = URL_DECODE(request.URI.substr(WALLET_ENDPOINT_BASE.size()));
return true;
}
return false;
}
std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request)
{
CHECK_NONFATAL(!request.fHelp);
std::string wallet_name;
if (GetWalletNameFromJSONRPCRequest(request, wallet_name)) {
std::shared_ptr<CWallet> pwallet = GetWallet(wallet_name);
if (!pwallet) throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Requested wallet does not exist or is not loaded");
return pwallet;
}
std::vector<std::shared_ptr<CWallet>> wallets = GetWallets();
if (wallets.size() == 1) {
return wallets[0];
}
if (wallets.empty()) {
throw JSONRPCError(
RPC_WALLET_NOT_FOUND, "No wallet is loaded. Load a wallet using loadwallet or create a new one with createwallet. (Note: A default wallet is no longer automatically created)");
}
throw JSONRPCError(RPC_WALLET_NOT_SPECIFIED,
"Wallet file not specified (must request wallet RPC through /wallet/<filename> uri-path).");
}
void EnsureWalletIsUnlocked(const CWallet* pwallet)
{
if (pwallet->IsLocked()) {
throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
}
}
WalletContext& EnsureWalletContext(const util::Ref& context)
{
if (!context.Has<WalletContext>()) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet context not found");
}
return context.Get<WalletContext>();
}
// also_create should only be set to true only when the RPC is expected to add things to a blank wallet and make it no longer blank
LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create)
{
LegacyScriptPubKeyMan* spk_man = wallet.GetLegacyScriptPubKeyMan();
if (!spk_man && also_create) {
spk_man = wallet.GetOrCreateLegacyScriptPubKeyMan();
}
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
return *spk_man;
}
static void WalletTxToJSON(interfaces::Chain& chain, const CWalletTx& wtx, UniValue& entry)
{
int confirms = wtx.GetDepthInMainChain();
entry.pushKV("confirmations", confirms);
if (wtx.IsCoinBase())
entry.pushKV("generated", true);
if (confirms > 0)
{
entry.pushKV("blockhash", wtx.m_confirm.hashBlock.GetHex());
entry.pushKV("blockheight", wtx.m_confirm.block_height);
entry.pushKV("blockindex", wtx.m_confirm.nIndex);
int64_t block_time;
CHECK_NONFATAL(chain.findBlock(wtx.m_confirm.hashBlock, FoundBlock().time(block_time)));
entry.pushKV("blocktime", block_time);
} else {
entry.pushKV("trusted", wtx.IsTrusted());
}
uint256 hash = wtx.GetHash();
entry.pushKV("txid", hash.GetHex());
UniValue conflicts(UniValue::VARR);
for (const uint256& conflict : wtx.GetConflicts())
conflicts.push_back(conflict.GetHex());
entry.pushKV("walletconflicts", conflicts);
entry.pushKV("time", wtx.GetTxTime());
entry.pushKV("timereceived", (int64_t)wtx.nTimeReceived);
// Add opt-in RBF status
std::string rbfStatus = "no";
if (confirms <= 0) {
RBFTransactionState rbfState = chain.isRBFOptIn(*wtx.tx);
if (rbfState == RBFTransactionState::UNKNOWN)
rbfStatus = "unknown";
else if (rbfState == RBFTransactionState::REPLACEABLE_BIP125)
rbfStatus = "yes";
}
entry.pushKV("bip125-replaceable", rbfStatus);
for (const std::pair<const std::string, std::string>& item : wtx.mapValue)
entry.pushKV(item.first, item.second);
}
static std::string LabelFromValue(const UniValue& value)
{
std::string label = value.get_str();
if (label == "*")
throw JSONRPCError(RPC_WALLET_INVALID_LABEL_NAME, "Invalid label name");
return label;
}
/**
* 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");
}
cc.m_feerate = CFeeRate(AmountFromValue(fee_rate), COIN, 0);
if (override_min_fee) cc.fOverrideFeeRate = true;
// Default RBF to true for explicit fee_rate, if unset.
if (cc.m_signal_bip125_rbf == nullopt) 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());
}
}
static RPCHelpMan getnewaddress()
{
return RPCHelpMan{"getnewaddress",
"\nReturns a new Litecoin address for receiving payments.\n"
"If 'label' is specified, it is added to the address book \n"
"so payments received with the address will be associated with 'label'.\n",
{
{"label", RPCArg::Type::STR, /* default */ "\"\"", "The label name for the address to be linked to. It can also be set to the empty string \"\" to represent the default label. The label does not need to exist, it will be created if there is no label by the given name."},
{"address_type", RPCArg::Type::STR, /* default */ "set by -addresstype", "The address type to use. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\", and \"mweb\"."},
},
RPCResult{
RPCResult::Type::STR, "address", "The new litecoin address"
},
RPCExamples{
HelpExampleCli("getnewaddress", "")
+ HelpExampleRpc("getnewaddress", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
LOCK(pwallet->cs_wallet);
if (!pwallet->CanGetAddresses()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error: This wallet has no available keys");
}
// Parse the label first so we don't generate a key if there's an error
std::string label;
if (!request.params[0].isNull())
label = LabelFromValue(request.params[0]);
OutputType output_type = pwallet->m_default_address_type;
if (!request.params[1].isNull()) {
if (!ParseOutputType(request.params[1].get_str(), output_type)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown address type '%s'", request.params[1].get_str()));
}
}
CTxDestination dest;
std::string error;
if (!pwallet->GetNewDestination(output_type, label, dest, error)) {
throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, error);
}
return EncodeDestination(dest);
},
};
}
static RPCHelpMan getrawchangeaddress()
{
return RPCHelpMan{"getrawchangeaddress",
"\nReturns a new Litecoin address, for receiving change.\n"
"This is for use with raw transactions, NOT normal use.\n",
{
{"address_type", RPCArg::Type::STR, /* default */ "set by -changetype", "The address type to use. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\"."},
},
RPCResult{
RPCResult::Type::STR, "address", "The address"
},
RPCExamples{
HelpExampleCli("getrawchangeaddress", "")
+ HelpExampleRpc("getrawchangeaddress", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
LOCK(pwallet->cs_wallet);
if (!pwallet->CanGetAddresses(true)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error: This wallet has no available keys");
}
OutputType output_type = pwallet->m_default_change_type.get_value_or(pwallet->m_default_address_type);
if (!request.params[0].isNull()) {
if (!ParseOutputType(request.params[0].get_str(), output_type)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown address type '%s'", request.params[0].get_str()));
}
}
if (output_type == OutputType::MWEB) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "MWEB address type not yet supported for raw transactions");
}
CTxDestination dest;
std::string error;
if (!pwallet->GetNewChangeDestination(output_type, dest, error)) {
throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, error);
}
return EncodeDestination(dest);
},
};
}
static RPCHelpMan setlabel()
{
return RPCHelpMan{"setlabel",
"\nSets the label associated with the given address.\n",
{
{"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The litecoin address to be associated with a label."},
{"label", RPCArg::Type::STR, RPCArg::Optional::NO, "The label to assign to the address."},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{
HelpExampleCli("setlabel", "\"" + EXAMPLE_ADDRESS[0] + "\" \"tabby\"")
+ HelpExampleRpc("setlabel", "\"" + EXAMPLE_ADDRESS[0] + "\", \"tabby\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
LOCK(pwallet->cs_wallet);
CTxDestination dest = DecodeDestination(request.params[0].get_str());
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Litecoin address");
}
std::string label = LabelFromValue(request.params[1]);
if (pwallet->IsMine(dest)) {
pwallet->SetAddressBook(dest, label, "receive");
} else {
pwallet->SetAddressBook(dest, label, "send");
}
return NullUniValue;
},
};
}
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 Litecoin address: ") + address);
}
if (destinations.count(dest)) {
throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ") + address);
}
destinations.insert(dest);
DestinationAddr recipient_addr(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;
}
}
if (recipient_addr.IsMWEB() && !subtract_fee_outputs.empty()) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Subtract fee from amount not yet supported for MWEB transactions.");
}
CRecipient recipient = {recipient_addr, amount, subtract_fee};
recipients.push_back(recipient);
}
}
UniValue SendMoney(CWallet* const pwallet, const CCoinControl &coin_control, std::vector<CRecipient> &recipients, mapValue_t map_value, bool verbose)
{
EnsureWalletIsUnlocked(pwallet);
// 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 (pwallet->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 = pwallet->CreateTransaction(recipients, tx, nFeeRequired, nChangePosRet, error, coin_control, fee_calc_out, true);
if (!fCreated) {
throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, error.original);
}
pwallet->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 litecoin 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, /* 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, /* default */ "wallet default", "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"},
{"conf_target", RPCArg::Type::NUM, /* default */ "wallet -txconfirmtarget", "Confirmation target in blocks"},
{"estimate_mode", RPCArg::Type::STR, /* default */ "unset", std::string() + "The fee estimate mode, must be one of (case insensitive):\n"
" \"" + FeeModes("\"\n\"") + "\""},
{"avoid_reuse", RPCArg::Type::BOOL, /* 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."},
{"fee_rate", RPCArg::Type::AMOUNT, /* default */ "not set, fall back to wallet fee estimation", "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
{"verbose", RPCArg::Type::BOOL, /* 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 wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
// 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 listaddressgroupings()
{
return RPCHelpMan{"listaddressgroupings",
"\nLists groups of addresses which have had their common ownership\n"
"made public by common use as inputs or as the resulting change\n"
"in past transactions\n",
{},
RPCResult{
RPCResult::Type::ARR, "", "",
{
{RPCResult::Type::ARR, "", "",
{
{RPCResult::Type::ARR, "", "",
{
{RPCResult::Type::STR, "address", "The litecoin address"},
{RPCResult::Type::STR_AMOUNT, "amount", "The amount in " + CURRENCY_UNIT},
{RPCResult::Type::STR, "label", /* optional */ true, "The label"},
}},
}},
}
},
RPCExamples{
HelpExampleCli("listaddressgroupings", "")
+ HelpExampleRpc("listaddressgroupings", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const CWallet* const pwallet = wallet.get();
// 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);
UniValue jsonGroupings(UniValue::VARR);
std::map<CTxDestination, CAmount> balances = pwallet->GetAddressBalances();
for (const std::set<CTxDestination>& grouping : pwallet->GetAddressGroupings()) {
UniValue jsonGrouping(UniValue::VARR);
for (const CTxDestination& address : grouping)
{
UniValue addressInfo(UniValue::VARR);
addressInfo.push_back(EncodeDestination(address));
addressInfo.push_back(ValueFromAmount(balances[address]));
{
const auto* address_book_entry = pwallet->FindAddressBookEntry(address);
if (address_book_entry) {
addressInfo.push_back(address_book_entry->GetLabel());
}
}
jsonGrouping.push_back(addressInfo);
}
jsonGroupings.push_back(jsonGrouping);
}
return jsonGroupings;
},
};
}
static RPCHelpMan signmessage()
{
return RPCHelpMan{"signmessage",
"\nSign a message with the private key of an address" +
HELP_REQUIRING_PASSPHRASE,
{
{"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The litecoin address to use for the private key."},
{"message", RPCArg::Type::STR, RPCArg::Optional::NO, "The message to create a signature of."},
},
RPCResult{
RPCResult::Type::STR, "signature", "The signature of the message encoded in base 64"
},
RPCExamples{
"\nUnlock the wallet for 30 seconds\n"
+ HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
"\nCreate the signature\n"
+ HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"my message\"") +
"\nVerify the signature\n"
+ HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"signature\" \"my message\"") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\", \"my message\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const CWallet* const pwallet = wallet.get();
LOCK(pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
std::string strAddress = request.params[0].get_str();
std::string strMessage = request.params[1].get_str();
CTxDestination dest = DecodeDestination(strAddress);
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");
}
const PKHash *pkhash = boost::get<PKHash>(&dest);
if (!pkhash) {
throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
}
std::string signature;
SigningResult err = pwallet->SignMessage(strMessage, *pkhash, signature);
if (err == SigningResult::SIGNING_FAILED) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, SigningResultString(err));
} else if (err != SigningResult::OK){
throw JSONRPCError(RPC_WALLET_ERROR, SigningResultString(err));
}
return signature;
},
};
}
static CAmount GetReceived(const CWallet& wallet, const UniValue& params, bool by_label) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
{
std::set<CTxDestination> address_set;
if (by_label) {
// Get the set of addresses assigned to label
std::string label = LabelFromValue(params[0]);
address_set = wallet.GetLabelAddresses(label);
} else {
// Get the address
CTxDestination dest = DecodeDestination(params[0].get_str());
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Litecoin address");
}
if (!wallet.IsMine(dest)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Address not found in wallet");
}
address_set.insert(dest);
}
// Minimum confirmations
int min_depth = 1;
if (!params[1].isNull())
min_depth = params[1].get_int();
// Tally
CAmount amount = 0;
for (const std::pair<const uint256, CWalletTx>& wtx_pair : wallet.mapWallet) {
const CWalletTx& wtx = wtx_pair.second;
if (wtx.IsCoinBase() || !wallet.chain().checkFinalTx(*wtx.tx) || wtx.GetDepthInMainChain() < min_depth) {
continue;
}
for (const CTxOut& txout : wtx.tx->vout) {
CTxDestination address;
if (ExtractDestination(txout.scriptPubKey, address) && wallet.IsMine(address) && address_set.count(address)) {
amount += txout.nValue;
}
}
}
return amount;
}
static RPCHelpMan getreceivedbyaddress()
{
return RPCHelpMan{"getreceivedbyaddress",
"\nReturns the total amount received by the given address in transactions with at least minconf confirmations.\n",
{
{"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The litecoin address for transactions."},
{"minconf", RPCArg::Type::NUM, /* default */ "1", "Only include transactions confirmed at least this many times."},
},
RPCResult{
RPCResult::Type::STR_AMOUNT, "amount", "The total amount in " + CURRENCY_UNIT + " received at this address."
},
RPCExamples{
"\nThe amount from transactions with at least 1 confirmation\n"
+ HelpExampleCli("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\"") +
"\nThe amount including unconfirmed transactions, zero confirmations\n"
+ HelpExampleCli("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0") +
"\nThe amount with at least 6 confirmations\n"
+ HelpExampleCli("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 6") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\", 6")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const CWallet* const pwallet = wallet.get();
// 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);
return ValueFromAmount(GetReceived(*pwallet, request.params, /* by_label */ false));
},
};
}
static RPCHelpMan getreceivedbylabel()
{
return RPCHelpMan{"getreceivedbylabel",
"\nReturns the total amount received by addresses with <label> in transactions with at least [minconf] confirmations.\n",
{
{"label", RPCArg::Type::STR, RPCArg::Optional::NO, "The selected label, may be the default label using \"\"."},
{"minconf", RPCArg::Type::NUM, /* default */ "1", "Only include transactions confirmed at least this many times."},
},
RPCResult{
RPCResult::Type::STR_AMOUNT, "amount", "The total amount in " + CURRENCY_UNIT + " received for this label."
},
RPCExamples{
"\nAmount received by the default label with at least 1 confirmation\n"
+ HelpExampleCli("getreceivedbylabel", "\"\"") +
"\nAmount received at the tabby label including unconfirmed amounts with zero confirmations\n"
+ HelpExampleCli("getreceivedbylabel", "\"tabby\" 0") +
"\nThe amount with at least 6 confirmations\n"
+ HelpExampleCli("getreceivedbylabel", "\"tabby\" 6") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("getreceivedbylabel", "\"tabby\", 6")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const CWallet* const pwallet = wallet.get();
// 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);
return ValueFromAmount(GetReceived(*pwallet, request.params, /* by_label */ true));
},
};
}
static RPCHelpMan getbalance()
{
return RPCHelpMan{"getbalance",
"\nReturns the total available balance.\n"
"The available balance is what the wallet considers currently spendable, and is\n"
"thus affected by options which limit spendability such as -spendzeroconfchange.\n",
{
{"dummy", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "Remains for backward compatibility. Must be excluded or set to \"*\"."},
{"minconf", RPCArg::Type::NUM, /* default */ "0", "Only include transactions confirmed at least this many times."},
{"include_watchonly", RPCArg::Type::BOOL, /* default */ "true for watch-only wallets, otherwise false", "Also include balance in watch-only addresses (see 'importaddress')"},
{"avoid_reuse", RPCArg::Type::BOOL, /* default */ "true", "(only available if avoid_reuse wallet flag is set) Do not include balance in dirty outputs; addresses are considered dirty if they have previously been used in a transaction."},
},
RPCResult{
RPCResult::Type::STR_AMOUNT, "amount", "The total amount in " + CURRENCY_UNIT + " received for this wallet."
},
RPCExamples{
"\nThe total amount in the wallet with 0 or more confirmations\n"
+ HelpExampleCli("getbalance", "") +
"\nThe total amount in the wallet with at least 6 confirmations\n"
+ HelpExampleCli("getbalance", "\"*\" 6") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("getbalance", "\"*\", 6")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const CWallet* const pwallet = wallet.get();
// 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);
const UniValue& dummy_value = request.params[0];
if (!dummy_value.isNull() && dummy_value.get_str() != "*") {
throw JSONRPCError(RPC_METHOD_DEPRECATED, "dummy first argument must be excluded or set to \"*\".");
}
int min_depth = 0;
if (!request.params[1].isNull()) {
min_depth = request.params[1].get_int();
}
bool include_watchonly = ParseIncludeWatchonly(request.params[2], *pwallet);
bool avoid_reuse = GetAvoidReuseFlag(pwallet, request.params[3]);
const auto bal = pwallet->GetBalance(min_depth, avoid_reuse);
return ValueFromAmount(bal.m_mine_trusted + (include_watchonly ? bal.m_watchonly_trusted : 0));
},
};
}
static RPCHelpMan getunconfirmedbalance()
{
return RPCHelpMan{"getunconfirmedbalance",
"DEPRECATED\nIdentical to getbalances().mine.untrusted_pending\n",
{},
RPCResult{RPCResult::Type::NUM, "", "The balance"},
RPCExamples{""},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
const CWallet* const pwallet = wallet.get();
// 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);
return ValueFromAmount(pwallet->GetBalance().m_mine_untrusted_pending);
},
};
}
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, RPCArg::Optional::NO, "The addresses and amounts",
{
{"address", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The litecoin 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, /* default */ "wallet default", "Allow this transaction to be replaced by a transaction with higher fees via BIP 125"},
{"conf_target", RPCArg::Type::NUM, /* default */ "wallet -txconfirmtarget", "Confirmation target in blocks"},
{"estimate_mode", RPCArg::Type::STR, /* default */ "unset", std::string() + "The fee estimate mode, must be one of (case insensitive):\n"
" \"" + FeeModes("\"\n\"") + "\""},
{"fee_rate", RPCArg::Type::AMOUNT, /* default */ "not set, fall back to wallet fee estimation", "Specify a fee rate in " + CURRENCY_ATOM + "/vB."},
{"verbose", RPCArg::Type::BOOL, /* 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 wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
// 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 addmultisigaddress()
{
return RPCHelpMan{"addmultisigaddress",
"\nAdd an nrequired-to-sign multisignature address to the wallet. Requires a new wallet backup.\n"
"Each key is a Litecoin address or hex-encoded public key.\n"
"This functionality is only intended for use with non-watchonly addresses.\n"
"See `importaddress` for watchonly p2sh address support.\n"
"If 'label' is specified, assign address to that label.\n",
{
{"nrequired", RPCArg::Type::NUM, RPCArg::Optional::NO, "The number of required signatures out of the n keys or addresses."},
{"keys", RPCArg::Type::ARR, RPCArg::Optional::NO, "The litecoin addresses or hex-encoded public keys",
{
{"key", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "litecoin address or hex-encoded public key"},
},
},
{"label", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "A label to assign the addresses to."},
{"address_type", RPCArg::Type::STR, /* default */ "set by -addresstype", "The address type to use. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\"."},
},
RPCResult{
RPCResult::Type::OBJ, "", "",
{
{RPCResult::Type::STR, "address", "The value of the new multisig address"},
{RPCResult::Type::STR_HEX, "redeemScript", "The string value of the hex-encoded redemption script"},
{RPCResult::Type::STR, "descriptor", "The descriptor for this multisig"},
}
},
RPCExamples{
"\nAdd a multisig address from 2 addresses\n"
+ HelpExampleCli("addmultisigaddress", "2 \"[\\\"" + EXAMPLE_ADDRESS[0] + "\\\",\\\"" + EXAMPLE_ADDRESS[1] + "\\\"]\"") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("addmultisigaddress", "2, \"[\\\"" + EXAMPLE_ADDRESS[0] + "\\\",\\\"" + EXAMPLE_ADDRESS[1] + "\\\"]\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet);