From acb14c10796e596a3b16ea306cbf76499f8a7224 Mon Sep 17 00:00:00 2001 From: Joel Date: Tue, 19 Feb 2019 14:30:35 +0100 Subject: [PATCH] Add generate_from_view_key RPC method --- src/wallet/wallet_rpc_server.cpp | 152 +++++++++++++++++++ src/wallet/wallet_rpc_server.h | 2 + src/wallet/wallet_rpc_server_commands_defs.h | 31 ++++ 3 files changed, 185 insertions(+) diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp index a23391a9b..f29827034 100644 --- a/src/wallet/wallet_rpc_server.cpp +++ b/src/wallet/wallet_rpc_server.cpp @@ -3129,6 +3129,158 @@ namespace tools } } //------------------------------------------------------------------------------------------------------------------------------ + bool wallet_rpc_server::on_generate_from_view_key(const wallet_rpc::COMMAND_RPC_GENERATE_FROM_VIEW_KEY::request &req, wallet_rpc::COMMAND_RPC_GENERATE_FROM_VIEW_KEY::response &res, epee::json_rpc::error &er, const connection_context *ctx) + { + if (m_wallet_dir.empty()) + { + er.code = WALLET_RPC_ERROR_CODE_NO_WALLET_DIR; + er.message = "No wallet dir configured"; + return false; + } + + // early check for mandatory fields + if (req.filename.empty()) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "field 'filename' is mandatory. Please provide a filename to save the restored wallet to."; + return false; + } + if (req.viewkey.empty()) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "field 'viewkey' is mandatory. Please provide a view key you want to restore from."; + return false; + } + if (req.address.empty()) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "field 'address' is mandatory. Please provide a public address."; + return false; + } + + namespace po = boost::program_options; + po::variables_map vm2; + const char *ptr = strchr(req.filename.c_str(), '/'); + #ifdef _WIN32 + if (!ptr) + ptr = strchr(req.filename.c_str(), '\\'); + if (!ptr) + ptr = strchr(req.filename.c_str(), ':'); + #endif + if (ptr) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "Invalid filename"; + return false; + } + std::string wallet_file = m_wallet_dir + "/" + req.filename; + // check if wallet file already exists + if (!wallet_file.empty()) + { + try + { + boost::system::error_code ignored_ec; + THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(wallet_file, ignored_ec), error::file_exists, wallet_file); + } + catch (const std::exception &e) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "Wallet already exists."; + return false; + } + } + + { + po::options_description desc("dummy"); + const command_line::arg_descriptor arg_password = {"password", "password"}; + const char *argv[4]; + int argc = 3; + argv[0] = "wallet-rpc"; + argv[1] = "--password"; + argv[2] = req.password.c_str(); + argv[3] = NULL; + vm2 = *m_vm; + command_line::add_arg(desc, arg_password); + po::store(po::parse_command_line(argc, argv, desc), vm2); + } + + auto rc = tools::wallet2::make_new(vm2, true, nullptr); + std::unique_ptr wal; + wal = std::move(rc.first); + if (!wal) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "Failed to create wallet"; + return false; + } + + cryptonote::address_parse_info info; + if(!get_account_address_from_str(info, wal->nettype(), req.address)) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "Failed to parse public address"; + return false; + } + + epee::wipeable_string password = rc.second.password(); + epee::wipeable_string viewkey_string = req.viewkey; + crypto::secret_key viewkey; + if (!viewkey_string.hex_to_pod(unwrap(unwrap(viewkey)))) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "Failed to parse view key secret key"; + return false; + } + + try + { + wal->generate(wallet_file, std::move(rc.second).password(), info.address, viewkey, false); + MINFO("Wallet has been restored.\n"); + } + catch (const std::exception &e) + { + handle_rpc_exception(std::current_exception(), er, WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR); + return false; + } + + if (!wal) + { + er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR; + er.message = "Failed to generate wallet"; + return false; + } + + // set blockheight if given + try + { + wal->set_refresh_from_block_height(req.restore_height); + wal->rewrite(wallet_file, password); + } + catch (const std::exception &e) + { + handle_rpc_exception(std::current_exception(), er, WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR); + return false; + } + + if (m_wallet) + { + try + { + m_wallet->store(); + } + catch (const std::exception &e) + { + handle_rpc_exception(std::current_exception(), er, WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR); + return false; + } + delete m_wallet; + } + m_wallet = wal.release(); + res.address = m_wallet->get_account().get_public_address_str(m_wallet->nettype()); + res.info = "Wallet has been restored successfully."; + return true; + } + //------------------------------------------------------------------------------------------------------------------------------ bool wallet_rpc_server::on_generate_from_keys(const wallet_rpc::COMMAND_RPC_GENERATE_FROM_KEYS::request &req, wallet_rpc::COMMAND_RPC_GENERATE_FROM_KEYS::response &res, epee::json_rpc::error &er, const connection_context *ctx) { if (m_wallet_dir.empty()) diff --git a/src/wallet/wallet_rpc_server.h b/src/wallet/wallet_rpc_server.h index 5f3c332e2..45491c90a 100644 --- a/src/wallet/wallet_rpc_server.h +++ b/src/wallet/wallet_rpc_server.h @@ -137,6 +137,7 @@ namespace tools MAP_JON_RPC_WE("open_wallet", on_open_wallet, wallet_rpc::COMMAND_RPC_OPEN_WALLET) MAP_JON_RPC_WE("close_wallet", on_close_wallet, wallet_rpc::COMMAND_RPC_CLOSE_WALLET) MAP_JON_RPC_WE("change_wallet_password", on_change_wallet_password, wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD) + MAP_JON_RPC_WE("generate_from_view_key", on_generate_from_view_key, wallet_rpc::COMMAND_RPC_GENERATE_FROM_VIEW_KEY) MAP_JON_RPC_WE("generate_from_keys", on_generate_from_keys, wallet_rpc::COMMAND_RPC_GENERATE_FROM_KEYS) MAP_JON_RPC_WE("restore_deterministic_wallet", on_restore_deterministic_wallet, wallet_rpc::COMMAND_RPC_RESTORE_DETERMINISTIC_WALLET) MAP_JON_RPC_WE("is_multisig", on_is_multisig, wallet_rpc::COMMAND_RPC_IS_MULTISIG) @@ -217,6 +218,7 @@ namespace tools bool on_open_wallet(const wallet_rpc::COMMAND_RPC_OPEN_WALLET::request& req, wallet_rpc::COMMAND_RPC_OPEN_WALLET::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL); bool on_close_wallet(const wallet_rpc::COMMAND_RPC_CLOSE_WALLET::request& req, wallet_rpc::COMMAND_RPC_CLOSE_WALLET::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL); bool on_change_wallet_password(const wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD::request& req, wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL); + bool on_generate_from_view_key(const wallet_rpc::COMMAND_RPC_GENERATE_FROM_VIEW_KEY::request& req, wallet_rpc::COMMAND_RPC_GENERATE_FROM_VIEW_KEY::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL); bool on_generate_from_keys(const wallet_rpc::COMMAND_RPC_GENERATE_FROM_KEYS::request& req, wallet_rpc::COMMAND_RPC_GENERATE_FROM_KEYS::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL); bool on_restore_deterministic_wallet(const wallet_rpc::COMMAND_RPC_RESTORE_DETERMINISTIC_WALLET::request& req, wallet_rpc::COMMAND_RPC_RESTORE_DETERMINISTIC_WALLET::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL); bool on_is_multisig(const wallet_rpc::COMMAND_RPC_IS_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_IS_MULTISIG::response& res, epee::json_rpc::error& er, const connection_context *ctx = NULL); diff --git a/src/wallet/wallet_rpc_server_commands_defs.h b/src/wallet/wallet_rpc_server_commands_defs.h index 8c46121e4..8dd13322f 100644 --- a/src/wallet/wallet_rpc_server_commands_defs.h +++ b/src/wallet/wallet_rpc_server_commands_defs.h @@ -1934,6 +1934,37 @@ namespace wallet_rpc }; }; + struct COMMAND_RPC_GENERATE_FROM_VIEW_KEY + { + struct request + { + uint64_t restore_height; + std::string filename; + std::string address; + std::string viewkey; + std::string password; + + BEGIN_KV_SERIALIZE_MAP() + KV_SERIALIZE_OPT(restore_height, (uint64_t)0) + KV_SERIALIZE(filename) + KV_SERIALIZE(address) + KV_SERIALIZE(viewkey) + KV_SERIALIZE(password) + END_KV_SERIALIZE_MAP() + }; + + struct response + { + std::string address; + std::string info; + + BEGIN_KV_SERIALIZE_MAP() + KV_SERIALIZE(address) + KV_SERIALIZE(info) + END_KV_SERIALIZE_MAP() + }; + }; + struct COMMAND_RPC_GENERATE_FROM_KEYS { struct request