diff options
Diffstat (limited to 'src/wallet')
| -rw-r--r-- | src/wallet/crypter.cpp | 2 | ||||
| -rw-r--r-- | src/wallet/init.cpp | 15 | ||||
| -rw-r--r-- | src/wallet/rpcdump.cpp | 392 | ||||
| -rw-r--r-- | src/wallet/rpcwallet.cpp | 32 | ||||
| -rw-r--r-- | src/wallet/test/wallet_tests.cpp | 4 | ||||
| -rw-r--r-- | src/wallet/wallet.cpp | 71 | ||||
| -rw-r--r-- | src/wallet/wallet.h | 37 | ||||
| -rw-r--r-- | src/wallet/wallettool.cpp | 1 |
8 files changed, 377 insertions, 177 deletions
diff --git a/src/wallet/crypter.cpp b/src/wallet/crypter.cpp index 1dc78255f6..a255177e36 100644 --- a/src/wallet/crypter.cpp +++ b/src/wallet/crypter.cpp @@ -182,7 +182,7 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no if (!SetCrypted()) return false; - bool keyPass = false; + bool keyPass = mapCryptedKeys.empty(); // Always pass when there are no encrypted keys bool keyFail = false; CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin(); for (; mi != mapCryptedKeys.end(); ++mi) diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp index 87cd264c3d..20d540c8db 100644 --- a/src/wallet/init.cpp +++ b/src/wallet/init.cpp @@ -127,21 +127,6 @@ bool WalletInit::ParameterInteraction() const InitWarning(AmountHighWarn("-minrelaytxfee") + " " + _("The wallet will avoid paying less than the minimum relay fee.")); - if (gArgs.IsArgSet("-maxtxfee")) - { - CAmount nMaxFee = 0; - if (!ParseMoney(gArgs.GetArg("-maxtxfee", ""), nMaxFee)) - return InitError(AmountErrMsg("maxtxfee", gArgs.GetArg("-maxtxfee", ""))); - if (nMaxFee > HIGH_MAX_TX_FEE) - InitWarning(_("-maxtxfee is set very high! Fees this large could be paid on a single transaction.")); - maxTxFee = nMaxFee; - if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee) - { - return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"), - gArgs.GetArg("-maxtxfee", ""), ::minRelayTxFee.ToString())); - } - } - return true; } diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp index 32c36ceaeb..7552722a8e 100644 --- a/src/wallet/rpcdump.cpp +++ b/src/wallet/rpcdump.cpp @@ -9,6 +9,7 @@ #include <merkleblock.h> #include <rpc/server.h> #include <rpc/util.h> +#include <script/descriptor.h> #include <script/script.h> #include <script/standard.h> #include <sync.h> @@ -66,7 +67,7 @@ static std::string DecodeDumpString(const std::string &str) { return ret.str(); } -static bool GetWalletAddressesForKey(CWallet * const pwallet, const CKeyID &keyid, std::string &strAddr, std::string &strLabel) +static bool GetWalletAddressesForKey(CWallet* const pwallet, const CKeyID& keyid, std::string& strAddr, std::string& strLabel) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet) { bool fLabelFound = false; CKey key; @@ -964,159 +965,273 @@ static std::string RecurseImportData(const CScript& script, ImportData& import_d } } -static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet) +static UniValue ProcessImportLegacy(ImportData& import_data, std::map<CKeyID, CPubKey>& pubkey_map, std::map<CKeyID, CKey>& privkey_map, std::set<CScript>& script_pub_keys, bool& have_solving_data, const UniValue& data) { UniValue warnings(UniValue::VARR); - UniValue result(UniValue::VOBJ); - try { - // First ensure scriptPubKey has either a script or JSON with "address" string - const UniValue& scriptPubKey = data["scriptPubKey"]; - bool isScript = scriptPubKey.getType() == UniValue::VSTR; - if (!isScript && !(scriptPubKey.getType() == UniValue::VOBJ && scriptPubKey.exists("address"))) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "scriptPubKey must be string with script or JSON with address string"); + // First ensure scriptPubKey has either a script or JSON with "address" string + const UniValue& scriptPubKey = data["scriptPubKey"]; + bool isScript = scriptPubKey.getType() == UniValue::VSTR; + if (!isScript && !(scriptPubKey.getType() == UniValue::VOBJ && scriptPubKey.exists("address"))) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "scriptPubKey must be string with script or JSON with address string"); + } + const std::string& output = isScript ? scriptPubKey.get_str() : scriptPubKey["address"].get_str(); + + // Optional fields. + const std::string& strRedeemScript = data.exists("redeemscript") ? data["redeemscript"].get_str() : ""; + const std::string& witness_script_hex = data.exists("witnessscript") ? data["witnessscript"].get_str() : ""; + const UniValue& pubKeys = data.exists("pubkeys") ? data["pubkeys"].get_array() : UniValue(); + const UniValue& keys = data.exists("keys") ? data["keys"].get_array() : UniValue(); + const bool internal = data.exists("internal") ? data["internal"].get_bool() : false; + const bool watchOnly = data.exists("watchonly") ? data["watchonly"].get_bool() : false; + + if (data.exists("range")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Range should not be specified for a non-descriptor import"); + } + + // Generate the script and destination for the scriptPubKey provided + CScript script; + if (!isScript) { + CTxDestination dest = DecodeDestination(output); + if (!IsValidDestination(dest)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address \"" + output + "\""); + } + script = GetScriptForDestination(dest); + } else { + if (!IsHex(output)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid scriptPubKey \"" + output + "\""); + } + std::vector<unsigned char> vData(ParseHex(output)); + script = CScript(vData.begin(), vData.end()); + CTxDestination dest; + if (!ExtractDestination(script, dest) && !internal) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Internal must be set to true for nonstandard scriptPubKey imports."); } - const std::string& output = isScript ? scriptPubKey.get_str() : scriptPubKey["address"].get_str(); + } + script_pub_keys.emplace(script); - // Optional fields. - const std::string& strRedeemScript = data.exists("redeemscript") ? data["redeemscript"].get_str() : ""; - const std::string& witness_script_hex = data.exists("witnessscript") ? data["witnessscript"].get_str() : ""; - const UniValue& pubKeys = data.exists("pubkeys") ? data["pubkeys"].get_array() : UniValue(); - const UniValue& keys = data.exists("keys") ? data["keys"].get_array() : UniValue(); - const bool internal = data.exists("internal") ? data["internal"].get_bool() : false; - const bool watchOnly = data.exists("watchonly") ? data["watchonly"].get_bool() : false; - const std::string& label = data.exists("label") ? data["label"].get_str() : ""; + // Parse all arguments + if (strRedeemScript.size()) { + if (!IsHex(strRedeemScript)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid redeem script \"" + strRedeemScript + "\": must be hex string"); + } + auto parsed_redeemscript = ParseHex(strRedeemScript); + import_data.redeemscript = MakeUnique<CScript>(parsed_redeemscript.begin(), parsed_redeemscript.end()); + } + if (witness_script_hex.size()) { + if (!IsHex(witness_script_hex)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid witness script \"" + witness_script_hex + "\": must be hex string"); + } + auto parsed_witnessscript = ParseHex(witness_script_hex); + import_data.witnessscript = MakeUnique<CScript>(parsed_witnessscript.begin(), parsed_witnessscript.end()); + } + for (size_t i = 0; i < pubKeys.size(); ++i) { + const auto& str = pubKeys[i].get_str(); + if (!IsHex(str)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" must be a hex string"); + } + auto parsed_pubkey = ParseHex(str); + CPubKey pubkey(parsed_pubkey.begin(), parsed_pubkey.end()); + if (!pubkey.IsFullyValid()) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" is not a valid public key"); + } + pubkey_map.emplace(pubkey.GetID(), pubkey); + } + for (size_t i = 0; i < keys.size(); ++i) { + const auto& str = keys[i].get_str(); + CKey key = DecodeSecret(str); + if (!key.IsValid()) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding"); + } + CPubKey pubkey = key.GetPubKey(); + CKeyID id = pubkey.GetID(); + if (pubkey_map.count(id)) { + pubkey_map.erase(id); + } + privkey_map.emplace(id, key); + } - // If private keys are disabled, abort if private keys are being imported - if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !keys.isNull()) { - throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import private keys to a wallet with private keys disabled"); + + // Verify and process input data + have_solving_data = import_data.redeemscript || import_data.witnessscript || pubkey_map.size() || privkey_map.size(); + if (have_solving_data) { + // Match up data in import_data with the scriptPubKey in script. + auto error = RecurseImportData(script, import_data, ScriptContext::TOP); + + // Verify whether the watchonly option corresponds to the availability of private keys. + bool spendable = std::all_of(import_data.used_keys.begin(), import_data.used_keys.end(), [&](const std::pair<CKeyID, bool>& used_key){ return privkey_map.count(used_key.first) > 0; }); + if (!watchOnly && !spendable) { + warnings.push_back("Some private keys are missing, outputs will be considered watchonly. If this is intentional, specify the watchonly flag."); + } + if (watchOnly && spendable) { + warnings.push_back("All private keys are provided, outputs will be considered spendable. If this is intentional, do not specify the watchonly flag."); } - // Generate the script and destination for the scriptPubKey provided - CScript script; - CTxDestination dest; - if (!isScript) { - dest = DecodeDestination(output); - if (!IsValidDestination(dest)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address \"" + output + "\""); + // Check that all required keys for solvability are provided. + if (error.empty()) { + for (const auto& require_key : import_data.used_keys) { + if (!require_key.second) continue; // Not a required key + if (pubkey_map.count(require_key.first) == 0 && privkey_map.count(require_key.first) == 0) { + error = "some required keys are missing"; + } } - script = GetScriptForDestination(dest); + } + + if (!error.empty()) { + warnings.push_back("Importing as non-solvable: " + error + ". If this is intentional, don't provide any keys, pubkeys, witnessscript, or redeemscript."); + import_data = ImportData(); + pubkey_map.clear(); + privkey_map.clear(); + have_solving_data = false; } else { - if (!IsHex(output)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid scriptPubKey \"" + output + "\""); + // RecurseImportData() removes any relevant redeemscript/witnessscript from import_data, so we can use that to discover if a superfluous one was provided. + if (import_data.redeemscript) warnings.push_back("Ignoring redeemscript as this is not a P2SH script."); + if (import_data.witnessscript) warnings.push_back("Ignoring witnessscript as this is not a (P2SH-)P2WSH script."); + for (auto it = privkey_map.begin(); it != privkey_map.end(); ) { + auto oldit = it++; + if (import_data.used_keys.count(oldit->first) == 0) { + warnings.push_back("Ignoring irrelevant private key."); + privkey_map.erase(oldit); + } } - std::vector<unsigned char> vData(ParseHex(output)); - script = CScript(vData.begin(), vData.end()); - if (!ExtractDestination(script, dest) && !internal) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Internal must be set to true for nonstandard scriptPubKey imports."); + for (auto it = pubkey_map.begin(); it != pubkey_map.end(); ) { + auto oldit = it++; + auto key_data_it = import_data.used_keys.find(oldit->first); + if (key_data_it == import_data.used_keys.end() || !key_data_it->second) { + warnings.push_back("Ignoring public key \"" + HexStr(oldit->first) + "\" as it doesn't appear inside P2PKH or P2WPKH."); + pubkey_map.erase(oldit); + } } } + } - // Parse all arguments - ImportData import_data; - if (strRedeemScript.size()) { - if (!IsHex(strRedeemScript)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid redeem script \"" + strRedeemScript + "\": must be hex string"); - } - auto parsed_redeemscript = ParseHex(strRedeemScript); - import_data.redeemscript = MakeUnique<CScript>(parsed_redeemscript.begin(), parsed_redeemscript.end()); + return warnings; +} + +static UniValue ProcessImportDescriptor(ImportData& import_data, std::map<CKeyID, CPubKey>& pubkey_map, std::map<CKeyID, CKey>& privkey_map, std::set<CScript>& script_pub_keys, bool& have_solving_data, const UniValue& data) +{ + UniValue warnings(UniValue::VARR); + + const std::string& descriptor = data["desc"].get_str(); + FlatSigningProvider keys; + auto parsed_desc = Parse(descriptor, keys); + if (!parsed_desc) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Descriptor is invalid"); + } + + have_solving_data = parsed_desc->IsSolvable(); + const bool watch_only = data.exists("watchonly") ? data["watchonly"].get_bool() : false; + + int64_t range_start = 0, range_end = 0; + if (!parsed_desc->IsRange() && data.exists("range")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Range should not be specified for an un-ranged descriptor"); + } else if (parsed_desc->IsRange()) { + if (!data.exists("range")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Descriptor is ranged, please specify the range"); } - if (witness_script_hex.size()) { - if (!IsHex(witness_script_hex)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid witness script \"" + witness_script_hex + "\": must be hex string"); - } - auto parsed_witnessscript = ParseHex(witness_script_hex); - import_data.witnessscript = MakeUnique<CScript>(parsed_witnessscript.begin(), parsed_witnessscript.end()); + const UniValue& range = data["range"]; + range_start = range.exists("start") ? range["start"].get_int64() : 0; + if (!range.exists("end")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "End of range for descriptor must be specified"); } - std::map<CKeyID, CPubKey> pubkey_map; - for (size_t i = 0; i < pubKeys.size(); ++i) { - const auto& str = pubKeys[i].get_str(); - if (!IsHex(str)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" must be a hex string"); - } - auto parsed_pubkey = ParseHex(str); - CPubKey pubkey(parsed_pubkey.begin(), parsed_pubkey.end()); - if (!pubkey.IsFullyValid()) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" is not a valid public key"); - } - pubkey_map.emplace(pubkey.GetID(), pubkey); + range_end = range["end"].get_int64(); + if (range_end < range_start || range_start < 0) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid descriptor range specified"); } - std::map<CKeyID, CKey> privkey_map; - for (size_t i = 0; i < keys.size(); ++i) { - const auto& str = keys[i].get_str(); - CKey key = DecodeSecret(str); - if (!key.IsValid()) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding"); - } - CPubKey pubkey = key.GetPubKey(); - CKeyID id = pubkey.GetID(); - if (pubkey_map.count(id)) { - pubkey_map.erase(id); - } + } + + const UniValue& priv_keys = data.exists("keys") ? data["keys"].get_array() : UniValue(); + + FlatSigningProvider out_keys; + + // Expand all descriptors to get public keys and scripts. + // TODO: get private keys from descriptors too + for (int i = range_start; i <= range_end; ++i) { + std::vector<CScript> scripts_temp; + parsed_desc->Expand(i, keys, scripts_temp, out_keys); + std::copy(scripts_temp.begin(), scripts_temp.end(), std::inserter(script_pub_keys, script_pub_keys.end())); + } + + for (const auto& x : out_keys.scripts) { + import_data.import_scripts.emplace(x.second); + } + + std::copy(out_keys.pubkeys.begin(), out_keys.pubkeys.end(), std::inserter(pubkey_map, pubkey_map.end())); + + for (size_t i = 0; i < priv_keys.size(); ++i) { + const auto& str = priv_keys[i].get_str(); + CKey key = DecodeSecret(str); + if (!key.IsValid()) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding"); + } + CPubKey pubkey = key.GetPubKey(); + CKeyID id = pubkey.GetID(); + + // Check if this private key corresponds to a public key from the descriptor + if (!pubkey_map.count(id)) { + warnings.push_back("Ignoring irrelevant private key."); + } else { privkey_map.emplace(id, key); } + } + + // Check if all the public keys have corresponding private keys in the import for spendability. + // This does not take into account threshold multisigs which could be spendable without all keys. + // Thus, threshold multisigs without all keys will be considered not spendable here, even if they are, + // perhaps triggering a false warning message. This is consistent with the current wallet IsMine check. + bool spendable = std::all_of(pubkey_map.begin(), pubkey_map.end(), + [&](const std::pair<CKeyID, CPubKey>& used_key) { + return privkey_map.count(used_key.first) > 0; + }); + if (!watch_only && !spendable) { + warnings.push_back("Some private keys are missing, outputs will be considered watchonly. If this is intentional, specify the watchonly flag."); + } + if (watch_only && spendable) { + warnings.push_back("All private keys are provided, outputs will be considered spendable. If this is intentional, do not specify the watchonly flag."); + } + + return warnings; +} + +static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet) +{ + UniValue warnings(UniValue::VARR); + UniValue result(UniValue::VOBJ); + try { + const bool internal = data.exists("internal") ? data["internal"].get_bool() : false; // Internal addresses should not have a label if (internal && data.exists("label")) { throw JSONRPCError(RPC_INVALID_PARAMETER, "Internal addresses should not have a label"); } + const std::string& label = data.exists("label") ? data["label"].get_str() : ""; - // Verify and process input data - bool have_solving_data = import_data.redeemscript || import_data.witnessscript || pubkey_map.size() || privkey_map.size(); - if (have_solving_data) { - // Match up data in import_data with the scriptPubKey in script. - auto error = RecurseImportData(script, import_data, ScriptContext::TOP); - - // Verify whether the watchonly option corresponds to the availability of private keys. - bool spendable = std::all_of(import_data.used_keys.begin(), import_data.used_keys.end(), [&](const std::pair<CKeyID, bool>& used_key){ return privkey_map.count(used_key.first) > 0; }); - if (!watchOnly && !spendable) { - warnings.push_back("Some private keys are missing, outputs will be considered watchonly. If this is intentional, specify the watchonly flag."); - } - if (watchOnly && spendable) { - warnings.push_back("All private keys are provided, outputs will be considered spendable. If this is intentional, do not specify the watchonly flag."); - } - - // Check that all required keys for solvability are provided. - if (error.empty()) { - for (const auto& require_key : import_data.used_keys) { - if (!require_key.second) continue; // Not a required key - if (pubkey_map.count(require_key.first) == 0 && privkey_map.count(require_key.first) == 0) { - error = "some required keys are missing"; - } - } - } + ImportData import_data; + std::map<CKeyID, CPubKey> pubkey_map; + std::map<CKeyID, CKey> privkey_map; + std::set<CScript> script_pub_keys; + bool have_solving_data; + + if (data.exists("scriptPubKey") && data.exists("desc")) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Both a descriptor and a scriptPubKey should not be provided."); + } else if (data.exists("scriptPubKey")) { + warnings = ProcessImportLegacy(import_data, pubkey_map, privkey_map, script_pub_keys, have_solving_data, data); + } else if (data.exists("desc")) { + warnings = ProcessImportDescriptor(import_data, pubkey_map, privkey_map, script_pub_keys, have_solving_data, data); + } else { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Either a descriptor or scriptPubKey must be provided."); + } - if (!error.empty()) { - warnings.push_back("Importing as non-solvable: " + error + ". If this is intentional, don't provide any keys, pubkeys, witnessscript, or redeemscript."); - import_data = ImportData(); - pubkey_map.clear(); - privkey_map.clear(); - have_solving_data = false; - } else { - // RecurseImportData() removes any relevant redeemscript/witnessscript from import_data, so we can use that to discover if a superfluous one was provided. - if (import_data.redeemscript) warnings.push_back("Ignoring redeemscript as this is not a P2SH script."); - if (import_data.witnessscript) warnings.push_back("Ignoring witnessscript as this is not a (P2SH-)P2WSH script."); - for (auto it = privkey_map.begin(); it != privkey_map.end(); ) { - auto oldit = it++; - if (import_data.used_keys.count(oldit->first) == 0) { - warnings.push_back("Ignoring irrelevant private key."); - privkey_map.erase(oldit); - } - } - for (auto it = pubkey_map.begin(); it != pubkey_map.end(); ) { - auto oldit = it++; - auto key_data_it = import_data.used_keys.find(oldit->first); - if (key_data_it == import_data.used_keys.end() || !key_data_it->second) { - warnings.push_back("Ignoring public key \"" + HexStr(oldit->first) + "\" as it doesn't appear inside P2PKH or P2WPKH."); - pubkey_map.erase(oldit); - } - } - } + // If private keys are disabled, abort if private keys are being imported + if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !privkey_map.empty()) { + throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import private keys to a wallet with private keys disabled"); } // Check whether we have any work to do - if (::IsMine(*pwallet, script) & ISMINE_SPENDABLE) { - throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script"); + for (const CScript& script : script_pub_keys) { + if (::IsMine(*pwallet, script) & ISMINE_SPENDABLE) { + throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script (\"" + HexStr(script.begin(), script.end()) + "\")"); + } } // All good, time to import @@ -1146,14 +1261,18 @@ static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, con throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet"); } } - if (!have_solving_data || !::IsMine(*pwallet, script)) { // Always call AddWatchOnly for non-solvable watch-only, so that watch timestamp gets updated - if (!pwallet->AddWatchOnly(script, timestamp)) { - throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet"); + + for (const CScript& script : script_pub_keys) { + if (!have_solving_data || !::IsMine(*pwallet, script)) { // Always call AddWatchOnly for non-solvable watch-only, so that watch timestamp gets updated + if (!pwallet->AddWatchOnly(script, timestamp)) { + throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet"); + } + } + CTxDestination dest; + ExtractDestination(script, dest); + if (!internal && IsValidDestination(dest)) { + pwallet->SetAddressBook(dest, label, "receive"); } - } - if (!internal) { - assert(IsValidDestination(dest)); - pwallet->SetAddressBook(dest, label, "receive"); } result.pushKV("success", UniValue(true)); @@ -1204,7 +1323,8 @@ UniValue importmulti(const JSONRPCRequest& mainRequest) { {"", RPCArg::Type::OBJ, /* opt */ false, /* default_val */ "", "", { - {"scriptPubKey", RPCArg::Type::STR, /* opt */ false, /* default_val */ "", "Type of scriptPubKey (string for script, json for address)", + {"desc", RPCArg::Type::STR, /* opt */ true, /* default_val */ "", "Descriptor to import. If using descriptor, do not also provide address/scriptPubKey, scripts, or pubkeys"}, + {"scriptPubKey", RPCArg::Type::STR, /* opt */ false, /* default_val */ "", "Type of scriptPubKey (string for script, json for address). Should not be provided if using a descriptor", /* oneline_description */ "", {"\"<script>\" | { \"address\":\"<address>\" }", "string / json"} }, {"timestamp", RPCArg::Type::NUM, /* opt */ false, /* default_val */ "", "Creation time of the key in seconds since epoch (Jan 1 1970 GMT),\n" @@ -1227,6 +1347,12 @@ UniValue importmulti(const JSONRPCRequest& mainRequest) {"key", RPCArg::Type::STR, /* opt */ false, /* default_val */ "", ""}, } }, + {"range", RPCArg::Type::OBJ, /* opt */ true, /* default_val */ "", "If a ranged descriptor is used, this specifies the start and end of the range to import", + { + {"start", RPCArg::Type::NUM, /* opt */ true, /* default_val */ "0", "Start of the range to import"}, + {"end", RPCArg::Type::NUM, /* opt */ false, /* default_val */ "", "End of the range to import (inclusive)"}, + } + }, {"internal", RPCArg::Type::BOOL, /* opt */ true, /* default_val */ "false", "Stating whether matching outputs should be treated as not incoming payments (also known as change)"}, {"watchonly", RPCArg::Type::BOOL, /* opt */ true, /* default_val */ "false", "Stating whether matching outputs should be considered watchonly."}, {"label", RPCArg::Type::STR, /* opt */ true, /* default_val */ "''", "Label to assign to the address, only allowed with internal=false"}, diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index e38ad3a0ba..9bbbdc6132 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -170,12 +170,18 @@ static UniValue getnewaddress(const JSONRPCRequest& request) }, }.ToString()); + // Belt and suspenders check for disabled private keys if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet"); } 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()) @@ -231,12 +237,17 @@ static UniValue getrawchangeaddress(const JSONRPCRequest& request) }, }.ToString()); + // Belt and suspenders check for disabled private keys if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet"); } LOCK(pwallet->cs_wallet); + if (!pwallet->CanGetAddresses(true)) { + throw JSONRPCError(RPC_WALLET_ERROR, "Error: This wallet has no available keys"); + } + if (!pwallet->IsLocked()) { pwallet->TopUpKeyPool(); } @@ -1309,7 +1320,7 @@ static void MaybePushAddress(UniValue & entry, const CTxDestination &dest) * @param filter_ismine The "is mine" filter flags. * @param filter_label Optional label string to filter incoming transactions. */ -static void ListTransactions(interfaces::Chain::Lock& locked_chain, CWallet* const pwallet, const CWalletTx& wtx, int nMinDepth, bool fLong, UniValue& ret, const isminefilter& filter_ismine, const std::string* filter_label) +static void ListTransactions(interfaces::Chain::Lock& locked_chain, CWallet* const pwallet, const CWalletTx& wtx, int nMinDepth, bool fLong, UniValue& ret, const isminefilter& filter_ismine, const std::string* filter_label) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet) { CAmount nFee; std::list<COutputEntry> listReceived; @@ -2578,13 +2589,14 @@ static UniValue loadwallet(const JSONRPCRequest& request) static UniValue createwallet(const JSONRPCRequest& request) { - if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) { + if (request.fHelp || request.params.size() < 1 || request.params.size() > 3) { throw std::runtime_error( RPCHelpMan{"createwallet", "\nCreates and loads a new wallet.\n", { {"wallet_name", RPCArg::Type::STR, /* opt */ false, /* default_val */ "", "The name for the new wallet. If this is a path, the wallet will be created at the path location."}, {"disable_private_keys", RPCArg::Type::BOOL, /* opt */ true, /* default_val */ "false", "Disable the possibility of private keys (only watchonlys are possible in this mode)."}, + {"blank", RPCArg::Type::BOOL, /* opt */ true, /* default_val */ "false", "Create a blank wallet. A blank wallet has no keys or HD seed. One can be set using sethdseed."}, }, RPCResult{ "{\n" @@ -2601,9 +2613,13 @@ static UniValue createwallet(const JSONRPCRequest& request) std::string error; std::string warning; - bool disable_privatekeys = false; - if (!request.params[1].isNull()) { - disable_privatekeys = request.params[1].get_bool(); + uint64_t flags = 0; + if (!request.params[1].isNull() && request.params[1].get_bool()) { + flags |= WALLET_FLAG_DISABLE_PRIVATE_KEYS; + } + + if (!request.params[2].isNull() && request.params[2].get_bool()) { + flags |= WALLET_FLAG_BLANK_WALLET; } WalletLocation location(request.params[0].get_str()); @@ -2616,7 +2632,7 @@ static UniValue createwallet(const JSONRPCRequest& request) throw JSONRPCError(RPC_WALLET_ERROR, "Wallet file verification failed: " + error); } - std::shared_ptr<CWallet> const wallet = CWallet::CreateWalletFromFile(*g_rpc_interfaces->chain, location, (disable_privatekeys ? (uint64_t)WALLET_FLAG_DISABLE_PRIVATE_KEYS : 0)); + std::shared_ptr<CWallet> const wallet = CWallet::CreateWalletFromFile(*g_rpc_interfaces->chain, location, flags); if (!wallet) { throw JSONRPCError(RPC_WALLET_ERROR, "Wallet creation failed."); } @@ -3886,7 +3902,7 @@ UniValue sethdseed(const JSONRPCRequest& request) LOCK(pwallet->cs_wallet); // Do not do anything to non-HD wallets - if (!pwallet->IsHDEnabled()) { + if (!pwallet->CanSupportFeature(FEATURE_HD)) { throw JSONRPCError(RPC_WALLET_ERROR, "Cannot set a HD seed on a non-HD wallet. Start with -upgradewallet in order to upgrade a non-HD wallet to HD"); } @@ -4190,7 +4206,7 @@ static const CRPCCommand commands[] = { "wallet", "addmultisigaddress", &addmultisigaddress, {"nrequired","keys","label","address_type"} }, { "wallet", "backupwallet", &backupwallet, {"destination"} }, { "wallet", "bumpfee", &bumpfee, {"txid", "options"} }, - { "wallet", "createwallet", &createwallet, {"wallet_name", "disable_private_keys"} }, + { "wallet", "createwallet", &createwallet, {"wallet_name", "disable_private_keys", "blank"} }, { "wallet", "dumpprivkey", &dumpprivkey, {"address"} }, { "wallet", "dumpwallet", &dumpwallet, {"filename"} }, { "wallet", "encryptwallet", &encryptwallet, {"passphrase"} }, diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp index fcb34c3706..e674b2faea 100644 --- a/src/wallet/test/wallet_tests.cpp +++ b/src/wallet/test/wallet_tests.cpp @@ -44,6 +44,7 @@ BOOST_FIXTURE_TEST_CASE(scan_for_wallet_transactions, TestChain100Setup) CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())); CBlockIndex* newTip = chainActive.Tip(); + LockAnnotation lock(::cs_main); auto locked_chain = chain->lock(); // Verify ScanForWalletTransactions accommodates a null start block. @@ -123,6 +124,7 @@ BOOST_FIXTURE_TEST_CASE(importmulti_rescan, TestChain100Setup) CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())); CBlockIndex* newTip = chainActive.Tip(); + LockAnnotation lock(::cs_main); auto locked_chain = chain->lock(); // Prune the older block file. @@ -268,6 +270,7 @@ static int64_t AddTx(CWallet& wallet, uint32_t lockTime, int64_t mockTime, int64 SetMockTime(mockTime); CBlockIndex* block = nullptr; if (blockTime > 0) { + LockAnnotation lock(::cs_main); auto locked_chain = wallet.chain().lock(); auto inserted = mapBlockIndex.emplace(GetRandHash(), new CBlockIndex); assert(inserted.second); @@ -449,6 +452,7 @@ BOOST_FIXTURE_TEST_CASE(wallet_disableprivkeys, TestChain100Setup) { auto chain = interfaces::MakeChain(); std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(*chain, WalletLocation(), WalletDatabase::CreateDummy()); + wallet->SetMinVersion(FEATURE_LATEST); wallet->SetWalletFlag(WALLET_FLAG_DISABLE_PRIVATE_KEYS); BOOST_CHECK(!wallet->TopUpKeyPool(1000)); CPubKey pubkey; diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index bdddcd718b..d38c15220f 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -168,6 +168,7 @@ const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const CPubKey CWallet::GenerateNewKey(WalletBatch &batch, bool internal) { assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)); + assert(!IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET)); AssertLockHeld(cs_wallet); // mapKeyMetadata bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets @@ -177,7 +178,7 @@ CPubKey CWallet::GenerateNewKey(WalletBatch &batch, bool internal) int64_t nCreationTime = GetTime(); CKeyMetadata metadata(nCreationTime); - // use HD key derivation if HD was enabled during wallet creation + // use HD key derivation if HD was enabled during wallet creation and a seed is present if (IsHDEnabled()) { DeriveNewChildKey(batch, metadata, secret, (CanSupportFeature(FEATURE_HD_SPLIT) ? internal : false)); } else { @@ -283,6 +284,7 @@ bool CWallet::AddKeyPubKeyWithDB(WalletBatch &batch, const CKey& secret, const C secret.GetPrivKey(), mapKeyMetadata[pubkey.GetID()]); } + UnsetWalletFlag(WALLET_FLAG_BLANK_WALLET); return true; } @@ -349,7 +351,11 @@ bool CWallet::AddCScript(const CScript& redeemScript) { if (!CCryptoKeyStore::AddCScript(redeemScript)) return false; - return WalletBatch(*database).WriteCScript(Hash160(redeemScript), redeemScript); + if (WalletBatch(*database).WriteCScript(Hash160(redeemScript), redeemScript)) { + UnsetWalletFlag(WALLET_FLAG_BLANK_WALLET); + return true; + } + return false; } bool CWallet::LoadCScript(const CScript& redeemScript) @@ -374,7 +380,11 @@ bool CWallet::AddWatchOnly(const CScript& dest) const CKeyMetadata& meta = m_script_metadata[CScriptID(dest)]; UpdateTimeFirstKey(meta.nCreateTime); NotifyWatchonlyChanged(true); - return WalletBatch(*database).WriteWatchOnly(dest, meta); + if (WalletBatch(*database).WriteWatchOnly(dest, meta)) { + UnsetWalletFlag(WALLET_FLAG_BLANK_WALLET); + return true; + } + return false; } bool CWallet::AddWatchOnly(const CScript& dest, int64_t nCreateTime) @@ -1402,6 +1412,7 @@ void CWallet::SetHDSeed(const CPubKey& seed) newHdChain.seed_id = seed.GetID(); SetHDChain(newHdChain, false); NotifyCanGetAddressesChanged(); + UnsetWalletFlag(WALLET_FLAG_BLANK_WALLET); } void CWallet::SetHDChain(const CHDChain& chain, bool memonly) @@ -1418,6 +1429,30 @@ bool CWallet::IsHDEnabled() const return !hdChain.seed_id.IsNull(); } +bool CWallet::CanGenerateKeys() +{ + // A wallet can generate keys if it has an HD seed (IsHDEnabled) or it is a non-HD wallet (pre FEATURE_HD) + LOCK(cs_wallet); + return IsHDEnabled() || !CanSupportFeature(FEATURE_HD); +} + +bool CWallet::CanGetAddresses(bool internal) +{ + LOCK(cs_wallet); + // Check if the keypool has keys + bool keypool_has_keys; + if (internal && CanSupportFeature(FEATURE_HD_SPLIT)) { + keypool_has_keys = setInternalKeyPool.size() > 0; + } else { + keypool_has_keys = KeypoolCountExternalKeys() > 0; + } + // If the keypool doesn't have keys, check if we can generate them + if (!keypool_has_keys) { + return CanGenerateKeys(); + } + return keypool_has_keys; +} + void CWallet::SetWalletFlag(uint64_t flags) { LOCK(cs_wallet); @@ -1426,6 +1461,14 @@ void CWallet::SetWalletFlag(uint64_t flags) throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed"); } +void CWallet::UnsetWalletFlag(uint64_t flag) +{ + LOCK(cs_wallet); + m_wallet_flags &= ~flag; + if (!WalletBatch(*database).WriteWalletFlags(m_wallet_flags)) + throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed"); +} + bool CWallet::IsWalletFlagSet(uint64_t flag) { return (m_wallet_flags & flag); @@ -3103,7 +3146,8 @@ DBErrors CWallet::LoadWallet(bool& fFirstRunRet) { LOCK(cs_KeyStore); // This wallet is in its first run if all of these are empty - fFirstRunRet = mapKeys.empty() && mapCryptedKeys.empty() && mapWatchKeys.empty() && setWatchOnly.empty() && mapScripts.empty() && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS); + fFirstRunRet = mapKeys.empty() && mapCryptedKeys.empty() && mapWatchKeys.empty() && setWatchOnly.empty() && mapScripts.empty() + && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET); } if (nLoadWalletRet != DBErrors::LOAD_OK) @@ -3172,7 +3216,7 @@ bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& s { bool fUpdated = false; { - LOCK(cs_wallet); // mapAddressBook + LOCK(cs_wallet); std::map<CTxDestination, CAddressBookData>::iterator mi = mapAddressBook.find(address); fUpdated = mi != mapAddressBook.end(); mapAddressBook[address].name = strName; @@ -3189,7 +3233,7 @@ bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& s bool CWallet::DelAddressBook(const CTxDestination& address) { { - LOCK(cs_wallet); // mapAddressBook + LOCK(cs_wallet); // Delete destdata tuples associated with address std::string strAddress = EncodeDestination(address); @@ -3288,7 +3332,7 @@ void CWallet::LoadKeyPool(int64_t nIndex, const CKeyPool &keypool) bool CWallet::TopUpKeyPool(unsigned int kpSize) { - if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + if (!CanGenerateKeys()) { return false; } { @@ -3418,7 +3462,7 @@ void CWallet::ReturnKey(int64_t nIndex, bool fInternal, const CPubKey& pubkey) bool CWallet::GetKeyFromPool(CPubKey& result, bool internal) { - if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + if (!CanGetAddresses(internal)) { return false; } @@ -3619,6 +3663,10 @@ std::set<CTxDestination> CWallet::GetLabelAddresses(const std::string& label) co bool CReserveKey::GetReservedKey(CPubKey& pubkey, bool internal) { + if (!pwallet->CanGetAddresses(internal)) { + return false; + } + if (nIndex == -1) { CKeyPool keypool; @@ -3869,7 +3917,6 @@ bool CWallet::GetDestData(const CTxDestination &dest, const std::string &key, st std::vector<std::string> CWallet::GetDestValues(const std::string& prefix) const { - LOCK(cs_wallet); std::vector<std::string> values; for (const auto& address : mapAddressBook) { for (const auto& data : address.second.destdata) { @@ -4073,14 +4120,16 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain, if ((wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { //selective allow to set flags walletInstance->SetWalletFlag(WALLET_FLAG_DISABLE_PRIVATE_KEYS); + } else if (wallet_creation_flags & WALLET_FLAG_BLANK_WALLET) { + walletInstance->SetWalletFlag(WALLET_FLAG_BLANK_WALLET); } else { // generate a new seed CPubKey seed = walletInstance->GenerateNewSeed(); walletInstance->SetHDSeed(seed); - } + } // Otherwise, do not generate a new seed // Top up the keypool - if (!walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !walletInstance->TopUpKeyPool()) { + if (walletInstance->CanGenerateKeys() && !walletInstance->TopUpKeyPool()) { InitError(_("Unable to generate initial keys")); return nullptr; } diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index cf3fa0aced..c455b7cdad 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -136,9 +136,21 @@ enum WalletFlags : uint64_t { // will enforce the rule that the wallet can't contain any private keys (only watch-only/pubkeys) WALLET_FLAG_DISABLE_PRIVATE_KEYS = (1ULL << 32), + + //! Flag set when a wallet contains no HD seed and no private keys, scripts, + //! addresses, and other watch only things, and is therefore "blank." + //! + //! The only function this flag serves is to distinguish a blank wallet from + //! a newly created wallet when the wallet database is loaded, to avoid + //! initialization that should only happen on first run. + //! + //! This flag is also a mandatory flag to prevent previous versions of + //! bitcoin from opening the wallet, thinking it was newly created, and + //! then improperly reinitializing it. + WALLET_FLAG_BLANK_WALLET = (1ULL << 33), }; -static constexpr uint64_t g_known_wallet_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS; +static constexpr uint64_t g_known_wallet_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET; /** A key pool entry */ class CKeyPool @@ -788,7 +800,7 @@ public: int64_t nOrderPosNext GUARDED_BY(cs_wallet) = 0; uint64_t nAccountingEntryNumber = 0; - std::map<CTxDestination, CAddressBookData> mapAddressBook; + std::map<CTxDestination, CAddressBookData> mapAddressBook GUARDED_BY(cs_wallet); std::set<COutPoint> setLockedCoins GUARDED_BY(cs_wallet); @@ -865,15 +877,15 @@ public: bool LoadCScript(const CScript& redeemScript); //! Adds a destination data tuple to the store, and saves it to disk - bool AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value); + bool AddDestData(const CTxDestination& dest, const std::string& key, const std::string& value) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); //! Erases a destination data tuple in the store and on disk - bool EraseDestData(const CTxDestination &dest, const std::string &key); + bool EraseDestData(const CTxDestination& dest, const std::string& key) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); //! Adds a destination data tuple to the store, without saving it to disk - void LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value); + void LoadDestData(const CTxDestination& dest, const std::string& key, const std::string& value) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); //! Look up a destination data tuple in the store, return true if found false otherwise - bool GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const; + bool GetDestData(const CTxDestination& dest, const std::string& key, std::string* value) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); //! Get all destination values matching a prefix. - std::vector<std::string> GetDestValues(const std::string& prefix) const; + std::vector<std::string> GetDestValues(const std::string& prefix) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); //! Adds a watch-only address to the store, and saves it to disk. bool AddWatchOnly(const CScript& dest, int64_t nCreateTime) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); @@ -1041,7 +1053,7 @@ public: bool DelAddressBook(const CTxDestination& address); - const std::string& GetLabelName(const CScript& scriptPubKey) const; + const std::string& GetLabelName(const CScript& scriptPubKey) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); void GetScriptForMining(std::shared_ptr<CReserveScript> &script); @@ -1132,6 +1144,12 @@ public: /* Returns true if HD is enabled */ bool IsHDEnabled() const; + /* Returns true if the wallet can generate new keys */ + bool CanGenerateKeys(); + + /* Returns true if the wallet can give out new addresses. This means it has keys in the keypool or can generate new keys */ + bool CanGetAddresses(bool internal = false); + /* Generates a new HD seed (will not be activated) */ CPubKey GenerateNewSeed(); @@ -1169,6 +1187,9 @@ public: /** set a single wallet flag */ void SetWalletFlag(uint64_t flags); + /** Unsets a single wallet flag */ + void UnsetWalletFlag(uint64_t flag); + /** check if a certain wallet flag is set */ bool IsWalletFlagSet(uint64_t flag); diff --git a/src/wallet/wallettool.cpp b/src/wallet/wallettool.cpp index 30b0c48eef..628f3fe803 100644 --- a/src/wallet/wallettool.cpp +++ b/src/wallet/wallettool.cpp @@ -94,7 +94,6 @@ static std::shared_ptr<CWallet> LoadWallet(const std::string& name, const fs::pa static void WalletShowInfo(CWallet* wallet_instance) { - // lock required because of some AssertLockHeld() LOCK(wallet_instance->cs_wallet); fprintf(stdout, "Wallet info\n===========\n"); |