diff options
Diffstat (limited to 'src/wallet')
| -rw-r--r-- | src/wallet/wallet2.cpp | 595 | ||||
| -rw-r--r-- | src/wallet/wallet2.h | 408 |
2 files changed, 1003 insertions, 0 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp new file mode 100644 index 000000000..aa4e2f518 --- /dev/null +++ b/src/wallet/wallet2.cpp @@ -0,0 +1,595 @@ +// Copyright (c) 2012-2013 The Cryptonote developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + + +#include <boost/archive/binary_oarchive.hpp> +#include <boost/archive/binary_iarchive.hpp> + +#include <boost/utility/value_init.hpp> +#include "include_base_utils.h" +using namespace epee; + +#include "wallet2.h" +#include "cryptonote_core/cryptonote_format_utils.h" +#include "rpc/core_rpc_server_commands_defs.h" +#include "misc_language.h" +#include "cryptonote_core/cryptonote_basic_impl.h" +#include "common/boost_serialization_helper.h" +#include "profile_tools.h" +#include "crypto/crypto.h" +#include "serialization/binary_utils.h" + +using namespace cryptonote; + +namespace tools +{ +//---------------------------------------------------------------------------------------------------- +bool wallet2::init(const std::string& daemon_address, uint64_t upper_transaction_size_limit) +{ + m_upper_transaction_size_limit = upper_transaction_size_limit; + m_daemon_address = daemon_address; + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::process_new_transaction(cryptonote::transaction& tx, uint64_t height) +{ + std::vector<size_t> outs; + uint64_t tx_money_got_in_outs = 0; + crypto::public_key tx_pub_key = null_pkey; + bool r = parse_and_validate_tx_extra(tx, tx_pub_key); + CHECK_AND_ASSERT_MES(r && tx_pub_key != null_pkey, false, "process_new_transaction failed."); + r = lookup_acc_outs(m_account.get_keys(), tx, tx_pub_key, outs, tx_money_got_in_outs); + CHECK_AND_ASSERT_MES(r, false, "call lookup_acc_outs failed"); + if(outs.size() && tx_money_got_in_outs) + { + //good news - got money! take care about it + //usually we have only one transfer for user in transaction + cryptonote::COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::request req = AUTO_VAL_INIT(req); + cryptonote::COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::response res = AUTO_VAL_INIT(res); + req.txid = get_transaction_hash(tx); + bool r = net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/get_o_indexes.bin", req, res, m_http_client, WALLET_RCP_CONNECTION_TIMEOUT); + CHECK_AND_ASSERT_MES(r, false, "failed to get_o_indexes.bin"); + if(res.status != CORE_RPC_STATUS_OK) + return false;// in case of split while lookup_acc_outs, transaction could be lost (especially if it is coinbase tx) + CHECK_AND_ASSERT_MES(res.o_indexes.size() == tx.vout.size(), false, "internal error: transactions outputs size=" << tx.vout.size() + << " not match with COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES response size=" << res.o_indexes.size()); + + BOOST_FOREACH(size_t o, outs) + { + CHECK_AND_ASSERT_MES(o < tx.vout.size(), false, "wrong out in transaction: internal index=" << o << ", total_outs" << tx.vout.size()); + m_transfers.push_back(boost::value_initialized<transfer_details>()); + transfer_details& td = m_transfers.back(); + td.m_block_height = height; + td.m_internal_output_index = o; + td.m_global_output_index = res.o_indexes[o]; + td.m_tx = tx; + td.m_spent = false; + cryptonote::keypair in_ephemeral; + cryptonote::generate_key_image_helper(m_account.get_keys(), tx_pub_key, o, in_ephemeral, td.m_key_image); + CHECK_AND_ASSERT_MES(in_ephemeral.pub == boost::get<cryptonote::txout_to_key>(tx.vout[o].target).key, + false, "internal error: at key_image generating ephemeral public key not matched with output_key"); + m_key_images[td.m_key_image] = m_transfers.size()-1; + LOG_PRINT_L1("Received money: " << print_money(td.amount()) << ", with tx: " << get_transaction_hash(tx)); + } + } + // check all outputs for spending (compare key images) + BOOST_FOREACH(auto& in, tx.vin) + { + if(in.type() != typeid(cryptonote::txin_to_key)) + continue; + auto it = m_key_images.find(boost::get<cryptonote::txin_to_key>(in).k_image); + if(it != m_key_images.end()) + { + LOG_PRINT_L1("Spent money: " << print_money(boost::get<cryptonote::txin_to_key>(in).amount) << ", with tx: " << get_transaction_hash(tx)); + m_transfers[it->second].m_spent = true; + } + } + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::process_new_blockchain_entry(cryptonote::block& b, cryptonote::block_complete_entry& bche, crypto::hash& bl_id, uint64_t height) +{ + //handle transactions from new block + CHECK_AND_ASSERT_MES(height == m_blockchain.size(), false, "internal error: current_index=" << height << ", m_blockchain.size()=" << m_blockchain.size()); + //optimization: seeking only for blocks that are not older then the wallet creation time plus 1 day. 1 day is for possible user incorrect time setup + if(b.timestamp + 60*60*24 > m_account.get_createtime()) + { + TIME_MEASURE_START(miner_tx_handle_time); + bool r = process_new_transaction(b.miner_tx, height); + TIME_MEASURE_FINISH(miner_tx_handle_time); + CHECK_AND_NO_ASSERT_MES(r, false, "failed to process transaction"); + + TIME_MEASURE_START(txs_handle_time); + BOOST_FOREACH(auto& txblob, bche.txs) + { + cryptonote::transaction tx; + r = parse_and_validate_tx_from_blob(txblob, tx); + CHECK_AND_ASSERT_MES(r, false, "failed to parse and validate transaction from blob"); + r = process_new_transaction(tx, height); + CHECK_AND_ASSERT_MES(r, false, "failed to process transaction"); + } + TIME_MEASURE_FINISH(txs_handle_time); + LOG_PRINT_L2("Processed block: " << bl_id << ", height " << height << ", " << miner_tx_handle_time + txs_handle_time << "(" << miner_tx_handle_time << "/" << txs_handle_time <<")ms"); + }else + { + LOG_PRINT_L2( "Skipped block by timestamp, height: " << height << ", block time " << b.timestamp << ", account time " << m_account.get_createtime()); + } + m_blockchain.push_back(bl_id); + ++m_local_bc_height; + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::get_short_chain_history(std::list<crypto::hash>& ids) +{ + size_t i = 0; + size_t current_multiplier = 1; + size_t sz = m_blockchain.size(); + if(!sz) + return true; + size_t current_back_offset = 1; + bool genesis_included = false; + while(current_back_offset < sz) + { + ids.push_back(m_blockchain[sz-current_back_offset]); + if(sz-current_back_offset == 0) + genesis_included = true; + if(i < 10) + { + ++current_back_offset; + }else + { + current_back_offset += current_multiplier *= 2; + } + ++i; + } + if(!genesis_included) + ids.push_back(m_blockchain[0]); + + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::pull_blocks(size_t& blocks_added) +{ + blocks_added = 0; + cryptonote::COMMAND_RPC_GET_BLOCKS_FAST::request req = AUTO_VAL_INIT(req); + cryptonote::COMMAND_RPC_GET_BLOCKS_FAST::response res = AUTO_VAL_INIT(res); + get_short_chain_history(req.block_ids); + bool r = net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/getblocks.bin", req, res, m_http_client, WALLET_RCP_CONNECTION_TIMEOUT); + CHECK_AND_ASSERT_MES(r, false, "failed to get blocks"); + CHECK_AND_ASSERT_MES(res.status == CORE_RPC_STATUS_OK, false, "failed to get blocks"); + + //find split position, if split happened + + CHECK_AND_ASSERT_MES(res.start_height < m_blockchain.size(), false, "wrong daemon response: m_start_height=" + << res.start_height << " not less than local blockchain size=" << m_blockchain.size()); + + size_t current_index = res.start_height; + BOOST_FOREACH(auto& bl_entry, res.blocks) + { + cryptonote::block bl; + r = cryptonote::parse_and_validate_block_from_blob(bl_entry.block, bl); + CHECK_AND_ASSERT_MES(r, false, "failed to parse/validate block"); + crypto::hash bl_id = get_block_hash(bl); + if(current_index >= m_blockchain.size()) + { + r = process_new_blockchain_entry(bl, bl_entry, bl_id, current_index); + if(!r) return false; + ++blocks_added; + }else + { + if(bl_id != m_blockchain[current_index]) + { + //split detected here !!! + CHECK_AND_ASSERT_MES(current_index != res.start_height, false, "wrong daemon response: first block in response " << string_tools::pod_to_hex(bl_id) + << "\nnot match with local block id " << string_tools::pod_to_hex(m_blockchain[current_index])); + detach_blockchain(current_index); + r = process_new_blockchain_entry(bl, bl_entry, bl_id, current_index); + if(!r) return false; + + } + } + ++current_index; + } + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::refresh() +{ + size_t blocks_fetched = 0; + return refresh(blocks_fetched); +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::refresh(size_t & blocks_fetched) +{ + bool received_money = false; + return refresh(blocks_fetched, received_money); +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::refresh(size_t & blocks_fetched, bool& received_money) +{ + received_money = false; + blocks_fetched = 0; + size_t added_blocks = 0; + size_t try_count = 0; + crypto::hash last_tx_hash_id = m_transfers.size() ? get_transaction_hash(m_transfers.back().m_tx) : null_hash; + + while(true) + { + bool res = pull_blocks(added_blocks); + if(!res) + { + if(try_count < 3) + { + LOG_PRINT_L0("Another try pull_blocks(try_count=" << try_count << ")..."); + ++try_count; + continue; + }else + { + LOG_PRINT_L0("pull_blocks failed, try_count=" << try_count); + return false; + } + } + blocks_fetched+=added_blocks; + + if(!added_blocks) + break; + } + if(last_tx_hash_id != (m_transfers.size() ? get_transaction_hash(m_transfers.back().m_tx) : null_hash)) + received_money = true; + + LOG_PRINT_L2( "Refresh done, blocks received: " << blocks_fetched << ", balance: " << print_money(balance()) << ", unlocked: " << print_money(unlocked_balance())); + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::detach_blockchain(uint64_t height) +{ + LOG_PRINT_L0("Detaching blockchain on height " << height); + size_t transfers_detached = 0; + + auto it = std::find_if(m_transfers.begin(), m_transfers.end(), [&](const transfer_details& td){return td.m_block_height >= height;}); + size_t i_start = it - m_transfers.begin(); + + for(size_t i = i_start; i!= m_transfers.size();i++) + { + auto it_ki = m_key_images.find(m_transfers[i].m_key_image); + CHECK_AND_ASSERT_MES(it_ki != m_key_images.end(), false, "key image not found"); + m_key_images.erase(it_ki); + ++transfers_detached; + } + m_transfers.erase(it, m_transfers.end()); + + size_t blocks_detached = m_blockchain.end() - (m_blockchain.begin()+height); + m_blockchain.erase(m_blockchain.begin()+height, m_blockchain.end()); + m_local_bc_height -= blocks_detached; + + LOG_PRINT_L0("Detached blockchain on height " << height << ", transfers detached " << transfers_detached << ", blocks detached " << blocks_detached); + + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::deinit() +{ + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::clear() +{ + m_blockchain.clear(); + m_transfers.clear(); + cryptonote::block b; + cryptonote::generate_genesis_block(b); + m_blockchain.push_back(get_block_hash(b)); + m_local_bc_height = 1; + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::store_keys(const std::string& keys_file_name, const std::string& password) +{ + std::string account_data; + bool r = epee::serialization::store_t_to_binary(m_account, account_data); + CHECK_AND_ASSERT_MES(r, false, "failed to serialize wallet keys"); + wallet2::keys_file_data keys_file_data = boost::value_initialized<wallet2::keys_file_data>(); + + crypto::chacha8_key key; + crypto::generate_chacha8_key(password, key); + std::string cipher; + cipher.resize(account_data.size()); + keys_file_data.iv = crypto::rand<crypto::chacha8_iv>(); + crypto::chacha8(account_data.data(), account_data.size(), key, keys_file_data.iv, &cipher[0]); + keys_file_data.account_data = cipher; + + std::string buf; + r = ::serialization::dump_binary(keys_file_data, buf); + r = r && epee::file_io_utils::save_string_to_file(keys_file_name, buf); //and never touch wallet_keys_file again, only read + CHECK_AND_ASSERT_MES(r, false, "failed to generate wallet keys file " << keys_file_name); + + return true; +} +//---------------------------------------------------------------------------------------------------- +namespace +{ + bool verify_keys(const crypto::secret_key& sec, const crypto::public_key& expected_pub) + { + crypto::public_key pub; + bool r = crypto::secret_key_to_public_key(sec, pub); + return r && expected_pub == pub; + } +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::load_keys(const std::string& keys_file_name, const std::string& password) +{ + wallet2::keys_file_data keys_file_data; + std::string buf; + bool r = epee::file_io_utils::load_file_to_string(keys_file_name, buf); + r &= ::serialization::parse_binary(buf, keys_file_data); + CHECK_AND_ASSERT_MES(r, false, "failed to load wallet keys file: " << keys_file_name); + + crypto::chacha8_key key; + crypto::generate_chacha8_key(password, key); + std::string account_data; + account_data.resize(keys_file_data.account_data.size()); + crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]); + + const cryptonote::account_keys& keys = m_account.get_keys(); + r = epee::serialization::load_t_from_binary(m_account, account_data); + r = r && verify_keys(keys.m_view_secret_key, keys.m_account_address.m_view_public_key); + r = r && verify_keys(keys.m_spend_secret_key, keys.m_account_address.m_spend_public_key); + if (!r) + { + LOG_ERROR("invalid password"); + return false; + } + + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::generate(const std::string& wallet_, const std::string& password) +{ + clear(); + prepare_file_names(wallet_); + boost::system::error_code e; + if(boost::filesystem::exists(m_wallet_file, e) || boost::filesystem::exists(m_keys_file, e)) + { + LOG_PRINT_RED_L0("failed to generate wallet, file already exist or wrong path: " << wallet_); + return false; + } + + m_account.generate(); + m_account_public_address = m_account.get_keys().m_account_address; + + bool r = store_keys(m_keys_file, password); + CHECK_AND_ASSERT_MES(r, false, "Failed to store wallet key files!"); + r = file_io_utils::save_string_to_file(m_wallet_file + ".address.txt", m_account.get_public_address_str()); + if(!r) LOG_PRINT_RED_L0("String with address text not saved"); + return store(); +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::prepare_file_names(const std::string& file_path) +{ + m_keys_file = file_path; + m_wallet_file = file_path; + boost::system::error_code e; + if(string_tools::get_extension(m_keys_file) == "keys") + {//provided keys file name + m_wallet_file = string_tools::cut_off_extension(m_wallet_file); + }else + {//provided wallet file name + m_keys_file += ".keys"; + } + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::check_connection() +{ + if(m_http_client.is_connected()) + return true; + + net_utils::http::url_content u; + net_utils::parse_url(m_daemon_address, u); + if(!u.port) + u.port = 8081; + return m_http_client.connect(u.host, std::to_string(u.port), WALLET_RCP_CONNECTION_TIMEOUT); +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::load(const std::string& wallet_, const std::string& password) +{ + clear(); + prepare_file_names(wallet_); + boost::system::error_code e; + if(!boost::filesystem::exists(m_keys_file, e) || e) + { + LOG_PRINT_L0("file not found: " << m_keys_file); + return false; + } + + bool r = load_keys(m_keys_file, password); + if (!r) + return false; + + LOG_PRINT_L0("Loaded wallet keys file, with public address: " << m_account.get_public_address_str()); + //keys loaded ok! + //try to load wallet file. but even if we failed, it is not big problem + if(!boost::filesystem::exists(m_wallet_file, e) || e) + { + LOG_PRINT_L0("file not found: " << m_wallet_file << ", starting with empty blockchain"); + m_account_public_address = m_account.get_keys().m_account_address; + return true; + } + r = tools::unserialize_obj_from_file(*this, m_wallet_file); + CHECK_AND_ASSERT_MES(r, false, "failed to load wallet from file " << m_wallet_file); + CHECK_AND_ASSERT_MES(m_account_public_address.m_spend_public_key == m_account.get_keys().m_account_address.m_spend_public_key && + m_account_public_address.m_view_public_key == m_account.get_keys().m_account_address.m_view_public_key, + false, "addresses of wallet keys file and wallet data file are mismatched"); + if(!m_blockchain.size()) + { + cryptonote::block b; + cryptonote::generate_genesis_block(b); + m_blockchain.push_back(get_block_hash(b)); + } + m_local_bc_height = m_blockchain.size(); + + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::store() +{ + bool r = tools::serialize_obj_to_file(*this, m_wallet_file); + CHECK_AND_ASSERT_MES(r, false, "failed to save wallet to file " << m_wallet_file); + return r; +} +//---------------------------------------------------------------------------------------------------- +void wallet2::show_incoming_transfers() +{ + uint64_t amount = 0; + if(!m_transfers.size()) + { + LOG_PRINT_L0("No incoming transfers"); + return; + } + BOOST_FOREACH(transfer_details& td, m_transfers) + { + LOG_PRINT_L0("transfer: " << print_money(td.amount()) + << ", spent: " << td.m_spent + << ", global_index: " << td.m_global_output_index + << ", tx_id: " << get_transaction_hash(td.m_tx)); + if(!td.m_spent) + amount += td.amount(); + } +} +//---------------------------------------------------------------------------------------------------- +uint64_t wallet2::unlocked_balance() +{ + uint64_t amount = 0; + BOOST_FOREACH(transfer_details& td, m_transfers) + if(!td.m_spent && is_transfer_unlocked(td)) + amount += td.amount(); + + return amount; +} +//---------------------------------------------------------------------------------------------------- +uint64_t wallet2::balance() +{ + uint64_t amount = 0; + BOOST_FOREACH(auto& td, m_transfers) + if(!td.m_spent) + amount += td.amount(); + + return amount; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::get_transfers(wallet2::transfer_container& incoming_transfers) +{ + incoming_transfers = m_transfers; + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::is_transfer_unlocked(const transfer_details& td) const +{ + if(!is_tx_spendtime_unlocked(td.m_tx.unlock_time)) + return false; + + if(td.m_block_height + DEFAULT_TX_SPENDABLE_AGE > m_blockchain.size()) + return false; + + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::is_tx_spendtime_unlocked(uint64_t unlock_time) const +{ + if(unlock_time < CRYPTONOTE_MAX_BLOCK_NUMBER) + { + //interpret as block index + if(m_blockchain.size()-1 + CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS >= unlock_time) + return true; + else + return false; + }else + { + //interpret as time + uint64_t current_time = static_cast<uint64_t>(time(NULL)); + if(current_time + CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS >= unlock_time) + return true; + else + return false; + } + return false; +} +//---------------------------------------------------------------------------------------------------- +namespace +{ + template<typename T> + T pop_random_value(std::vector<T>& vec) + { + CHECK_AND_ASSERT_MES(!vec.empty(), T(), "Vector must be non-empty"); + + size_t idx = crypto::rand<size_t>() % vec.size(); + T res = vec[idx]; + if (idx + 1 != vec.size()) + { + vec[idx] = vec.back(); + } + vec.resize(vec.size() - 1); + + return res; + } +} +//---------------------------------------------------------------------------------------------------- +uint64_t wallet2::select_transfers(uint64_t needed_money, uint64_t dust, std::list<transfer_container::iterator>& selected_transfers) +{ + std::vector<size_t> unused_transfers_indices; + std::vector<size_t> unused_dust_indices; + for (size_t i = 0; i < m_transfers.size(); ++i) + { + const transfer_details& td = m_transfers[i]; + if (!td.m_spent && is_transfer_unlocked(td)) + { + if (dust < td.amount()) + unused_transfers_indices.push_back(i); + else + unused_dust_indices.push_back(i); + } + } + + bool at_least_one_dust_selected = unused_dust_indices.empty(); + uint64_t found_money = 0; + while (found_money < needed_money && (!unused_transfers_indices.empty() || !unused_dust_indices.empty())) + { + size_t idx; + if (at_least_one_dust_selected) + { + idx = !unused_transfers_indices.empty() ? pop_random_value(unused_transfers_indices) : pop_random_value(unused_dust_indices); + } + else + { + idx = pop_random_value(unused_dust_indices); + at_least_one_dust_selected = true; + } + + transfer_container::iterator it = m_transfers.begin() + idx; + selected_transfers.push_back(it); + found_money += it->amount(); + } + + return found_money; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, + uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx) +{ + return transfer(dsts, fake_outputs_count, unlock_time, fee, detail::digit_split_strategy, tx_dust_policy(fee), tx); +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx, transafer_fail_details& tfd) +{ + return transfer(dsts, fake_outputs_count, unlock_time, fee, detail::digit_split_strategy, tx_dust_policy(fee), tx, tfd); +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, + uint64_t unlock_time, uint64_t fee) +{ + cryptonote::transaction tx; + return transfer(dsts, fake_outputs_count, unlock_time, fee, tx); +} +//---------------------------------------------------------------------------------------------------- +} diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h new file mode 100644 index 000000000..27799e2da --- /dev/null +++ b/src/wallet/wallet2.h @@ -0,0 +1,408 @@ +// Copyright (c) 2012-2013 The Cryptonote developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#pragma once + +#include <memory> +#include <boost/serialization/list.hpp> +#include <boost/serialization/vector.hpp> +#include <atomic> +#include "include_base_utils.h" +#include "cryptonote_core/account.h" +#include "cryptonote_core/account_boost_serialization.h" +#include "cryptonote_core/cryptonote_basic_impl.h" +#include "net/http_client.h" +#include "storages/http_abstract_invoke.h" +#include "rpc/core_rpc_server_commands_defs.h" +#include "cryptonote_core/cryptonote_format_utils.h" +#include "common/unordered_containers_boost_serialization.h" +#include "crypto/chacha8.h" +#include "crypto/hash.h" + +#define DEFAULT_TX_SPENDABLE_AGE 10 +#define WALLET_RCP_CONNECTION_TIMEOUT 200000 + +namespace tools +{ + class wallet2 + { + wallet2(const wallet2&){}; + public: + wallet2(){}; + struct transfer_details + { + uint64_t m_block_height; + cryptonote::transaction m_tx; + size_t m_internal_output_index; + uint64_t m_global_output_index; + bool m_spent; + crypto::key_image m_key_image; //TODO: key_image stored twice :( + + uint64_t amount() const { return m_tx.vout[m_internal_output_index].amount; } + }; + typedef std::vector<transfer_details> transfer_container; + + struct tx_dust_policy + { + uint64_t dust_threshold; + bool add_to_fee; + cryptonote::account_public_address addr_for_dust; + + tx_dust_policy(uint64_t a_dust_threshold = 0, bool an_add_to_fee = true, cryptonote::account_public_address an_addr_for_dust = cryptonote::account_public_address()) + : dust_threshold(a_dust_threshold) + , add_to_fee(an_add_to_fee) + , addr_for_dust(an_addr_for_dust) + { + } + }; + + struct keys_file_data + { + crypto::chacha8_iv iv; + std::string account_data; + + BEGIN_SERIALIZE_OBJECT() + FIELD(iv) + FIELD(account_data) + END_SERIALIZE() + }; + + struct transafer_fail_details + { + enum fail_reason + { + error_ok = 0, + error_not_connected, + error_rejected_by_daemon, + error_too_big_transaction, + error_not_enough_money, + error_internal_error + }; + fail_reason reason; + uint64_t tx_blob_size; + uint64_t max_expected_tx_blob_size; + }; + + bool generate(const std::string& wallet, const std::string& password); + bool load(const std::string& wallet, const std::string& password); + bool store(); + cryptonote::account_base& get_account(){return m_account;} + + bool init(const std::string& daemon_address = "http://localhost:8080", uint64_t upper_transaction_size_limit = CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE*2 - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE); + + bool refresh(); + bool refresh(size_t & blocks_fetched); + bool refresh(size_t & blocks_fetched, bool& received_money); + bool deinit(); + + uint64_t balance(); + uint64_t unlocked_balance(); + void show_incoming_transfers(); + template<typename T> + bool transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy); + template<typename T> + bool transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx, transafer_fail_details& tfd); + template<typename T> + bool transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx); + bool transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee); + bool transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx); + bool transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx, transafer_fail_details& tfd); + bool check_connection(); + bool get_transfers(wallet2::transfer_container& incoming_transfers); + uint64_t get_blockchain_current_height() const { return m_local_bc_height; } + template <class t_archive> + inline void serialize(t_archive &a, const unsigned int ver) + { + if(ver < 5) + return; + a & m_blockchain; + a & m_transfers; + a & m_account_public_address; + a & m_key_images; + } + + private: + bool store_keys(const std::string& keys_file_name, const std::string& password); + bool load_keys(const std::string& keys_file_name, const std::string& password); + bool process_new_transaction(cryptonote::transaction& tx, uint64_t height); + bool process_new_blockchain_entry(cryptonote::block& b, cryptonote::block_complete_entry& bche, crypto::hash& bl_id, uint64_t height); + bool detach_blockchain(uint64_t height); + bool get_short_chain_history(std::list<crypto::hash>& ids); + bool is_tx_spendtime_unlocked(uint64_t unlock_time) const; + bool is_transfer_unlocked(const transfer_details& td) const; + bool clear(); + bool pull_blocks(size_t& blocks_added); + uint64_t select_transfers(uint64_t needed_money, uint64_t dust, std::list<transfer_container::iterator>& selected_transfers); + bool prepare_file_names(const std::string& file_path); + + cryptonote::account_base m_account; + std::string m_daemon_address; + std::string m_wallet_file; + std::string m_keys_file; + epee::net_utils::http::http_simple_client m_http_client; + std::vector<crypto::hash> m_blockchain; + std::atomic<uint64_t> m_local_bc_height; //temporary workaround + + transfer_container m_transfers; + std::unordered_map<crypto::key_image, size_t> m_key_images; + cryptonote::account_public_address m_account_public_address; + uint64_t m_upper_transaction_size_limit; //TODO: auto-calc this value or request from daemon, now use some fixed value + }; +} +BOOST_CLASS_VERSION(tools::wallet2, 5) + +namespace boost +{ + namespace serialization + { + template <class Archive> + inline void serialize(Archive &a, tools::wallet2::transfer_details &x, const boost::serialization::version_type ver) + { + a & x.m_block_height; + a & x.m_global_output_index; + a & x.m_internal_output_index; + a & x.m_tx; + a & x.m_spent; + a & x.m_key_image; + } + } +} + +namespace tools +{ + namespace detail + { + //---------------------------------------------------------------------------------------------------- + inline void digit_split_strategy(const std::vector<cryptonote::tx_destination_entry>& dsts, + const cryptonote::tx_destination_entry& change_dst, uint64_t dust_threshold, + std::vector<cryptonote::tx_destination_entry>& splitted_dsts, uint64_t& dust) + { + splitted_dsts.clear(); + dust = 0; + + BOOST_FOREACH(auto& de, dsts) + { + cryptonote::decompose_amount_into_digits(de.amount, dust_threshold, + [&](uint64_t chunk) { splitted_dsts.push_back(cryptonote::tx_destination_entry(chunk, de.addr)); }, + [&](uint64_t a_dust) { splitted_dsts.push_back(cryptonote::tx_destination_entry(a_dust, de.addr)); } ); + } + + cryptonote::decompose_amount_into_digits(change_dst.amount, dust_threshold, + [&](uint64_t chunk) { splitted_dsts.push_back(cryptonote::tx_destination_entry(chunk, change_dst.addr)); }, + [&](uint64_t a_dust) { dust = a_dust; } ); + } + //---------------------------------------------------------------------------------------------------- + inline void null_split_strategy(const std::vector<cryptonote::tx_destination_entry>& dsts, + const cryptonote::tx_destination_entry& change_dst, uint64_t dust_threshold, + std::vector<cryptonote::tx_destination_entry>& splitted_dsts, uint64_t& dust) + { + splitted_dsts = dsts; + + dust = 0; + uint64_t change = change_dst.amount; + if (0 < dust_threshold) + { + for (uint64_t order = 10; order <= 10 * dust_threshold; order *= 10) + { + uint64_t dust_candidate = change_dst.amount % order; + uint64_t change_candidate = (change_dst.amount / order) * order; + if (dust_candidate <= dust_threshold) + { + dust = dust_candidate; + change = change_candidate; + } + else + { + break; + } + } + } + + if (0 != change) + { + splitted_dsts.push_back(cryptonote::tx_destination_entry(change, change_dst.addr)); + } + } + //---------------------------------------------------------------------------------------------------- + inline void print_source_entry(const cryptonote::tx_source_entry& src) + { + std::string indexes; + std::for_each(src.outputs.begin(), src.outputs.end(), [&](const cryptonote::tx_source_entry::output_entry& s_e) { indexes += boost::to_string(s_e.first) + " "; }); + std::cout << "amount=" << cryptonote::print_money(src.amount) << ", real_output=" <<src.real_output << ", real_output_in_tx_index=" << src.real_output_in_tx_index << ", indexes: " << indexes << ENDL; + } + //---------------------------------------------------------------------------------------------------- + } + //---------------------------------------------------------------------------------------------------- + template<typename T> + bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, + uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy) + { + cryptonote::transaction tx; + return transfer(dsts, fake_outputs_count, unlock_time, fee, destination_split_strategy, dust_policy, tx); + } + + template<typename T> + bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, + uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx) + { + transafer_fail_details stub = AUTO_VAL_INIT(stub); + return transfer(dsts, fake_outputs_count, unlock_time, fee, destination_split_strategy, dust_policy, tx, stub); + } + + template<typename T> + bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, + uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx, transafer_fail_details& tfd) + { + using namespace cryptonote; + + uint64_t needed_money = fee; + BOOST_FOREACH(auto& dt, dsts) + { + CHECK_AND_ASSERT_MES(dt.amount > 0, false, "Wrong destination amount value: " << dt.amount); + needed_money += dt.amount; + } + + std::list<transfer_container::iterator> selected_transfers; + uint64_t found_money = select_transfers(needed_money, dust_policy.dust_threshold, selected_transfers); + + if(found_money < needed_money) + { + LOG_ERROR("not enough money, available only " << print_money(found_money) << ", expected " << print_money(needed_money) ); + tfd.reason = transafer_fail_details::error_not_enough_money; + return false; + } + //typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount outs_for_amount; + typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry out_entry; + typedef cryptonote::tx_source_entry::output_entry tx_output_entry; + + COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response daemon_resp = AUTO_VAL_INIT(daemon_resp); + if(fake_outputs_count) + { + + COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request req = AUTO_VAL_INIT(req); + req.outs_count = fake_outputs_count + 1;// add one to make possible (if need) to skip real output key + BOOST_FOREACH(transfer_container::iterator it, selected_transfers) + { + CHECK_AND_ASSERT_MES(it->m_tx.vout.size() > it->m_internal_output_index, false, "internal error: m_internal_output_index = " + << it->m_internal_output_index << " more than " << it->m_tx.vout.size()); + req.amounts.push_back(it->amount()); + } + bool r = net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/getrandom_outs.bin", req, daemon_resp, m_http_client, 200000); + tfd.reason = transafer_fail_details::error_not_connected; + CHECK_AND_ASSERT_MES(r, false, "failed to get getrandom_outs"); + tfd.reason = transafer_fail_details::error_internal_error; + CHECK_AND_ASSERT_MES(daemon_resp.status == CORE_RPC_STATUS_OK, false, "failed to getrandom_outs.bin"); + CHECK_AND_ASSERT_MES(daemon_resp.outs.size() == selected_transfers.size(), false, "internal error: daemon returned wrong response for getrandom_outs, wrong amounts count = " + << daemon_resp.outs.size() << ", expected " << selected_transfers.size()); + } + tfd.reason = transafer_fail_details::error_ok; + + //prepare inputs + size_t i = 0; + std::vector<cryptonote::tx_source_entry> sources; + BOOST_FOREACH(transfer_container::iterator it, selected_transfers) + { + sources.resize(sources.size()+1); + cryptonote::tx_source_entry& src = sources.back(); + transfer_details& td = *it; + src.amount = td.amount(); + //paste mixin transaction + if(daemon_resp.outs.size()) + { + daemon_resp.outs[i].outs.sort([](const out_entry& a, const out_entry& b){return a.global_amount_index < b.global_amount_index;}); + BOOST_FOREACH(out_entry& daemon_oe, daemon_resp.outs[i].outs) + { + if(td.m_global_output_index == daemon_oe.global_amount_index) + continue; + tx_output_entry oe; + oe.first = daemon_oe.global_amount_index; + oe.second = daemon_oe.out_key; + src.outputs.push_back(oe); + if(src.outputs.size() >= fake_outputs_count) + break; + } + } + + //paste real transaction to the random index + auto it_to_insert = std::find_if(src.outputs.begin(), src.outputs.end(), [&](const tx_output_entry& a) + { + return a.first >= td.m_global_output_index; + }); + //size_t real_index = src.outputs.size() ? (rand() % src.outputs.size() ):0; + tx_output_entry real_oe; + real_oe.first = td.m_global_output_index; + real_oe.second = boost::get<txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key; + auto interted_it = src.outputs.insert(it_to_insert, real_oe); + src.real_out_tx_key = get_tx_pub_key_from_extra(td.m_tx); + src.real_output = interted_it - src.outputs.begin(); + src.real_output_in_tx_index = td.m_internal_output_index; + detail::print_source_entry(src); + ++i; + } + + cryptonote::tx_destination_entry change_dts = AUTO_VAL_INIT(change_dts); + if (needed_money < found_money) + { + change_dts.addr = m_account.get_keys().m_account_address; + change_dts.amount = found_money - needed_money; + } + + uint64_t dust = 0; + std::vector<cryptonote::tx_destination_entry> splitted_dsts; + destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust); + CHECK_AND_ASSERT_MES(dust <= dust_policy.dust_threshold, false, "internal error: invalid dust value"); + if (0 != dust && !dust_policy.add_to_fee) + { + splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust)); + } + + tfd.reason = transafer_fail_details::error_internal_error; + bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, tx, unlock_time); + CHECK_AND_ASSERT_MES(r, false, "Transaction construction failed"); + + //check transaction size + if(get_object_blobsize(tx) >= m_upper_transaction_size_limit) + { + LOG_PRINT_RED("Transaction size is too big: " << get_object_blobsize(tx) << ", expected size < " << m_upper_transaction_size_limit, LOG_LEVEL_2); + tfd.reason = transafer_fail_details::error_too_big_transaction; + tfd.tx_blob_size = get_object_blobsize(tx); + tfd.max_expected_tx_blob_size = m_upper_transaction_size_limit; + return false; + } + + + COMMAND_RPC_SEND_RAW_TX::request req; + req.tx_as_hex = epee::string_tools::buff_to_hex_nodelimer(tx_to_blob(tx)); + COMMAND_RPC_SEND_RAW_TX::response daemon_send_resp; + tfd.reason = transafer_fail_details::error_not_connected; + r = net_utils::invoke_http_json_remote_command2(m_daemon_address + "/sendrawtransaction", req, daemon_send_resp, m_http_client, 200000); + CHECK_AND_ASSERT_MES(r, false, "failed to send transaction"); + if(daemon_send_resp.status != CORE_RPC_STATUS_OK) + { + tfd.reason = transafer_fail_details::error_rejected_by_daemon; + LOG_ERROR("daemon failed to accept generated transaction, id: " << get_transaction_hash(tx) ); + return false; + } + std::string key_images; + std::for_each(tx.vin.begin(), tx.vin.end(), [&](const txin_v& s_e) -> bool + { + CHECKED_GET_SPECIFIC_VARIANT(s_e, const txin_to_key, in, false); + key_images += boost::to_string(in.k_image) + " "; + return true; + }); + LOG_PRINT_L2("transaction " << get_transaction_hash(tx) << " generated ok and sent to daemon, key_images: [" << key_images << "]"); + + BOOST_FOREACH(transfer_container::iterator it, selected_transfers) + it->m_spent = true; + + LOG_PRINT_L0("Transaction successfully sent. <" << get_transaction_hash(tx) << ">" << ENDL + << "Commission: " << print_money(fee+dust) << "(dust: " << print_money(dust) << ")" << ENDL + << "Balance: " << print_money(balance()) << ENDL + << "Unlocked: " << print_money(unlocked_balance()) << ENDL + << "Please, wait for confirmation for your balance to be unlocked."); + + tfd.reason = transafer_fail_details::error_ok; + return true; + } +} |