diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp index 29c61eca2..1c5c321da 100644 --- a/src/rpc/core_rpc_server.cpp +++ b/src/rpc/core_rpc_server.cpp @@ -190,6 +190,36 @@ namespace cryptonote return true; } //------------------------------------------------------------------------------------------------------------------------------ + bool core_rpc_server::on_get_blocks_by_height(const COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::request& req, COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::response& res) + { + CHECK_CORE_BUSY(); + res.status = "Failed"; + res.blocks.clear(); + res.blocks.reserve(req.heights.size()); + for (uint64_t height : req.heights) + { + block blk; + try + { + blk = m_core.get_blockchain_storage().get_db().get_block_from_height(height); + } + catch (...) + { + res.status = "Error retrieving block at height " + height; + return true; + } + std::list txs; + std::list missed_txs; + m_core.get_transactions(blk.tx_hashes, txs, missed_txs); + res.blocks.resize(res.blocks.size() + 1); + res.blocks.back().block = block_to_blob(blk); + for (auto& tx : txs) + res.blocks.back().txs.push_back(tx_to_blob(tx)); + } + res.status = CORE_RPC_STATUS_OK; + return true; + } + //------------------------------------------------------------------------------------------------------------------------------ bool core_rpc_server::on_get_hashes(const COMMAND_RPC_GET_HASHES_FAST::request& req, COMMAND_RPC_GET_HASHES_FAST::response& res) { CHECK_CORE_BUSY(); diff --git a/src/rpc/core_rpc_server.h b/src/rpc/core_rpc_server.h index 9d6ff9740..84871e8bb 100644 --- a/src/rpc/core_rpc_server.h +++ b/src/rpc/core_rpc_server.h @@ -76,6 +76,7 @@ namespace cryptonote BEGIN_URI_MAP2() MAP_URI_AUTO_JON2("/getheight", on_get_height, COMMAND_RPC_GET_HEIGHT) MAP_URI_AUTO_BIN2("/getblocks.bin", on_get_blocks, COMMAND_RPC_GET_BLOCKS_FAST) + MAP_URI_AUTO_BIN2("/getblocks_by_height.bin", on_get_blocks_by_height, COMMAND_RPC_GET_BLOCKS_BY_HEIGHT) MAP_URI_AUTO_BIN2("/gethashes.bin", on_get_hashes, COMMAND_RPC_GET_HASHES_FAST) MAP_URI_AUTO_BIN2("/get_o_indexes.bin", on_get_indexes, COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES) MAP_URI_AUTO_BIN2("/getrandom_outs.bin", on_get_random_outs, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS) @@ -125,6 +126,7 @@ namespace cryptonote bool on_get_height(const COMMAND_RPC_GET_HEIGHT::request& req, COMMAND_RPC_GET_HEIGHT::response& res); bool on_get_blocks(const COMMAND_RPC_GET_BLOCKS_FAST::request& req, COMMAND_RPC_GET_BLOCKS_FAST::response& res); + bool on_get_blocks_by_height(const COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::request& req, COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::response& res); bool on_get_hashes(const COMMAND_RPC_GET_HASHES_FAST::request& req, COMMAND_RPC_GET_HASHES_FAST::response& res); bool on_get_transactions(const COMMAND_RPC_GET_TRANSACTIONS::request& req, COMMAND_RPC_GET_TRANSACTIONS::response& res); bool on_is_key_image_spent(const COMMAND_RPC_IS_KEY_IMAGE_SPENT::request& req, COMMAND_RPC_IS_KEY_IMAGE_SPENT::response& res); diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h index b3aa8d901..0fc230d11 100644 --- a/src/rpc/core_rpc_server_commands_defs.h +++ b/src/rpc/core_rpc_server_commands_defs.h @@ -49,7 +49,7 @@ namespace cryptonote // advance which version they will stop working with // Don't go over 32767 for any of these #define CORE_RPC_VERSION_MAJOR 1 -#define CORE_RPC_VERSION_MINOR 5 +#define CORE_RPC_VERSION_MINOR 6 #define MAKE_CORE_RPC_VERSION(major,minor) (((major)<<16)|(minor)) #define CORE_RPC_VERSION MAKE_CORE_RPC_VERSION(CORE_RPC_VERSION_MAJOR, CORE_RPC_VERSION_MINOR) @@ -122,6 +122,28 @@ namespace cryptonote }; }; + struct COMMAND_RPC_GET_BLOCKS_BY_HEIGHT + { + struct request + { + std::vector heights; + BEGIN_KV_SERIALIZE_MAP() + KV_SERIALIZE(heights) + END_KV_SERIALIZE_MAP() + }; + + struct response + { + std::vector blocks; + std::string status; + + BEGIN_KV_SERIALIZE_MAP() + KV_SERIALIZE(blocks) + KV_SERIALIZE(status) + END_KV_SERIALIZE_MAP() + }; + }; + struct COMMAND_RPC_GET_HASHES_FAST { diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp index 2637e8db5..68781dd73 100644 --- a/src/simplewallet/simplewallet.cpp +++ b/src/simplewallet/simplewallet.cpp @@ -939,22 +939,6 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm) return false; } } - if (!m_restore_height && m_restoring) - { - std::string heightstr = command_line::input_line("Restore from specific blockchain height (optional, default 0): "); - if (std::cin.eof()) - return false; - if (heightstr.size()) - { - try { - m_restore_height = boost::lexical_cast(heightstr); - } - catch (boost::bad_lexical_cast &) { - fail_msg_writer() << tr("bad m_restore_height parameter:") << " " << heightstr; - return false; - } - } - } if (!m_generate_from_view_key.empty()) { m_wallet_file = m_generate_from_view_key; @@ -1095,6 +1079,70 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm) bool r = new_wallet(vm, m_recovery_key, m_restore_deterministic_wallet, m_non_deterministic, old_language); CHECK_AND_ASSERT_MES(r, false, tr("account creation failed")); } + if (!m_restore_height && m_restoring) + { + uint32_t version; + bool connected = try_connect_to_daemon(false, &version); + while (true) + { + std::string heightstr; + if (!connected || version < MAKE_CORE_RPC_VERSION(1, 6)) + heightstr = command_line::input_line("Restore from specific blockchain height (optional, default 0): "); + else + heightstr = command_line::input_line("Restore from specific blockchain height (optional, default 0),\nor alternatively from specific date (YYYY-MM-DD): "); + if (std::cin.eof()) + return false; + if (heightstr.empty()) + { + m_restore_height = 0; + break; + } + try + { + m_restore_height = boost::lexical_cast(heightstr); + break; + } + catch (const boost::bad_lexical_cast &) + { + if (!connected || version < MAKE_CORE_RPC_VERSION(1, 6)) + { + fail_msg_writer() << tr("bad m_restore_height parameter: ") << heightstr; + continue; + } + if (heightstr.size() != 10 || heightstr[4] != '-' || heightstr[7] != '-') + { + fail_msg_writer() << tr("date format must be YYYY-MM-DD"); + continue; + } + uint16_t year; + uint8_t month; // 1, 2, ..., 12 + uint8_t day; // 1, 2, ..., 31 + try + { + year = boost::lexical_cast(heightstr.substr(0,4)); + // lexical_cast won't work becasue uint8_t is treated as character type + month = boost::lexical_cast(heightstr.substr(5,2)); + day = boost::lexical_cast(heightstr.substr(8,2)); + m_restore_height = m_wallet->get_blockchain_height_by_date(year, month, day); + success_msg_writer() << tr("Restore height is: ") << m_restore_height; + std::string confirm = command_line::input_line(tr("Is this okay? (Y/Yes/N/No): ")); + if (std::cin.eof()) + return false; + if(command_line::is_yes(confirm)) + break; + } + catch (const boost::bad_lexical_cast &) + { + fail_msg_writer() << tr("bad m_restore_height parameter: ") << heightstr; + } + catch (const std::runtime_error& e) + { + fail_msg_writer() << e.what(); + } + } + } + m_wallet->set_refresh_from_block_height(m_restore_height); + } } else { diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 25b21c722..8badebbfa 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -5333,6 +5333,92 @@ bool wallet2::parse_uri(const std::string &uri, std::string &address, std::strin return true; } //---------------------------------------------------------------------------------------------------- +uint64_t wallet2::get_blockchain_height_by_date(uint16_t year, uint8_t month, uint8_t day) +{ + uint32_t version; + if (!check_connection(&version)) + { + throw std::runtime_error("failed to connect to daemon: " + get_daemon_address()); + } + if (version < MAKE_CORE_RPC_VERSION(1, 6)) + { + throw std::runtime_error("this function requires RPC version 1.6 or higher"); + } + std::tm date = { 0, 0, 0, 0, 0, 0, 0, 0 }; + date.tm_year = year - 1900; + date.tm_mon = month - 1; + date.tm_mday = day; + if (date.tm_mon < 0 || 11 < date.tm_mon || date.tm_mday < 1 || 31 < date.tm_mday) + { + throw std::runtime_error("month or day out of range"); + } + uint64_t timestamp_target = std::mktime(&date); + std::string err; + uint64_t height_min = 0; + uint64_t height_max = get_daemon_blockchain_height(err) - 1; + if (!err.empty()) + { + throw std::runtime_error("failed to get blockchain height"); + } + while (true) + { + COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::request req; + COMMAND_RPC_GET_BLOCKS_BY_HEIGHT::response res; + uint64_t height_mid = (height_min + height_max) / 2; + req.heights = + { + height_min, + height_mid, + height_max + }; + bool r = net_utils::invoke_http_bin_remote_command2(get_daemon_address() + "/getblocks_by_height.bin", req, res, m_http_client); + if (!r || res.status != CORE_RPC_STATUS_OK) + { + std::ostringstream oss; + oss << "failed to get blocks by heights: "; + for (auto height : req.heights) + oss << height << ' '; + oss << endl << "reason: "; + if (!r) + oss << "possibly lost connection to daemon"; + else if (res.status == CORE_RPC_STATUS_BUSY) + oss << "daemon is busy"; + else + oss << res.status; + throw std::runtime_error(oss.str()); + } + cryptonote::block blk_min, blk_mid, blk_max; + if (!parse_and_validate_block_from_blob(res.blocks[0].block, blk_min)) throw std::runtime_error("failed to parse blob at height " + height_min); + if (!parse_and_validate_block_from_blob(res.blocks[1].block, blk_mid)) throw std::runtime_error("failed to parse blob at height " + height_mid); + if (!parse_and_validate_block_from_blob(res.blocks[2].block, blk_max)) throw std::runtime_error("failed to parse blob at height " + height_max); + uint64_t timestamp_min = blk_min.timestamp; + uint64_t timestamp_mid = blk_mid.timestamp; + uint64_t timestamp_max = blk_max.timestamp; + if (!(timestamp_min <= timestamp_mid && timestamp_mid <= timestamp_max)) + { + // the timestamps are not in the chronological order. + // assuming they're sufficiently close to each other, simply return the smallest height + return std::min({height_min, height_mid, height_max}); + } + if (timestamp_target > timestamp_max) + { + throw std::runtime_error("specified date is in the future"); + } + if (timestamp_target <= timestamp_min + 2 * 24 * 60 * 60) // two days of "buffer" period + { + return height_min; + } + if (timestamp_target <= timestamp_mid) + height_max = height_mid; + else + height_min = height_mid; + if (height_max - height_min <= 2 * 24 * 30) // don't divide the height range finer than two days + { + return height_min; + } + } +} +//---------------------------------------------------------------------------------------------------- void wallet2::generate_genesis(cryptonote::block& b) { if (m_testnet) { diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h index b5542440b..b5cc56e56 100644 --- a/src/wallet/wallet2.h +++ b/src/wallet/wallet2.h @@ -558,6 +558,8 @@ namespace tools std::string make_uri(const std::string &address, const std::string &payment_id, uint64_t amount, const std::string &tx_description, const std::string &recipient_name, std::string &error); bool parse_uri(const std::string &uri, std::string &address, std::string &payment_id, uint64_t &amount, std::string &tx_description, std::string &recipient_name, std::vector &unknown_parameters, std::string &error); + uint64_t get_blockchain_height_by_date(uint16_t year, uint8_t month, uint8_t day); // 1<=month<=12, 1<=day<=31 + private: /*! * \brief Stores wallet information to wallet file.