515 lines
21 KiB
C++
515 lines
21 KiB
C++
// Copyright (c) 2012-2013 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#pragma once
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#include <memory>
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#include <boost/serialization/list.hpp>
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#include <boost/serialization/vector.hpp>
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#include <atomic>
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#include "include_base_utils.h"
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#include "cryptonote_core/account.h"
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#include "cryptonote_core/account_boost_serialization.h"
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#include "cryptonote_core/cryptonote_basic_impl.h"
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#include "net/http_client.h"
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#include "storages/http_abstract_invoke.h"
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#include "rpc/core_rpc_server_commands_defs.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "common/unordered_containers_boost_serialization.h"
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#include "crypto/chacha8.h"
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#include "crypto/hash.h"
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#define DEFAULT_TX_SPENDABLE_AGE 10
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#define WALLET_RCP_CONNECTION_TIMEOUT 200000
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namespace tools
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{
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inline std::string interpret_rpc_response(bool ok, const std::string& status)
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{
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std::string err;
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if (ok)
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{
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if (status == CORE_RPC_STATUS_BUSY)
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{
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err = "daemon is busy. Please try later";
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}
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else if (status != CORE_RPC_STATUS_OK)
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{
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err = status;
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}
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}
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else
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{
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err = "possible lost connection to daemon";
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}
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return err;
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}
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class wallet2
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{
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wallet2(const wallet2&) : m_run(true) {};
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public:
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wallet2() : m_run(true) {};
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struct transfer_details
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{
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uint64_t m_block_height;
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cryptonote::transaction m_tx;
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size_t m_internal_output_index;
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uint64_t m_global_output_index;
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bool m_spent;
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crypto::key_image m_key_image; //TODO: key_image stored twice :(
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uint64_t amount() const { return m_tx.vout[m_internal_output_index].amount; }
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};
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typedef std::vector<transfer_details> transfer_container;
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struct tx_dust_policy
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{
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uint64_t dust_threshold;
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bool add_to_fee;
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cryptonote::account_public_address addr_for_dust;
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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())
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: dust_threshold(a_dust_threshold)
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, add_to_fee(an_add_to_fee)
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, addr_for_dust(an_addr_for_dust)
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{
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}
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};
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struct keys_file_data
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{
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crypto::chacha8_iv iv;
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std::string account_data;
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BEGIN_SERIALIZE_OBJECT()
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FIELD(iv)
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FIELD(account_data)
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END_SERIALIZE()
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};
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struct fail_details
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{
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enum fail_reason
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{
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error_ok = 0,
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error_not_connected,
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error_daemon_is_busy,
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error_rejected_by_daemon,
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error_too_big_transaction,
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error_not_enough_money,
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error_too_big_mixin,
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error_to_parse_block,
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error_to_parse_tx,
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error_to_parse_tx_extra,
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error_invalid_tx,
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error_internal_error
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};
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fail_reason reason;
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uint64_t tx_blob_size;
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uint64_t max_expected_tx_blob_size;
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std::string what() const
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{
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switch (reason)
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{
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case error_ok: return "OK";
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case error_not_connected: return "not connected";
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case error_daemon_is_busy: return "daemon is busy. Please try later";
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case error_rejected_by_daemon: return "rejected by daemon";
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case error_too_big_transaction: return "transaction size is too big";
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case error_not_enough_money: return "not enough money";
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case error_too_big_mixin: return "not enough outputs for specified mixin_count";
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case error_to_parse_block: return "failed to parse/validate block";
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case error_to_parse_tx: return "failed to parse/validate tx";
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case error_to_parse_tx_extra: return "failed to parse/validate tx extra";
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case error_invalid_tx: return "wrong tx";
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case error_internal_error: return "internal error";
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default: return "unknown error";
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}
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}
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};
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bool generate(const std::string& wallet, const std::string& password);
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bool load(const std::string& wallet, const std::string& password);
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bool store();
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cryptonote::account_base& get_account(){return m_account;}
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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);
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bool refresh(fail_details& fd);
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bool refresh(size_t & blocks_fetched, fail_details& fd);
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bool refresh(size_t & blocks_fetched, bool& received_money, fail_details& fd);
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bool deinit();
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void stop() { m_run.store(false, std::memory_order_relaxed); }
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uint64_t balance();
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uint64_t unlocked_balance();
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template<typename T>
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bool enum_incoming_transfers(const T& handler) const;
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template<typename T>
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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);
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template<typename T>
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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, fail_details& tfd);
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template<typename T>
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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);
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bool transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee);
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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);
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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, fail_details& tfd);
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bool check_connection();
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bool get_transfers(wallet2::transfer_container& incoming_transfers);
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uint64_t get_blockchain_current_height() const { return m_local_bc_height; }
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template <class t_archive>
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inline void serialize(t_archive &a, const unsigned int ver)
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{
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if(ver < 5)
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return;
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a & m_blockchain;
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a & m_transfers;
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a & m_account_public_address;
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a & m_key_images;
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}
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private:
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bool store_keys(const std::string& keys_file_name, const std::string& password);
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bool load_keys(const std::string& keys_file_name, const std::string& password);
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bool process_new_transaction(cryptonote::transaction& tx, uint64_t height, fail_details& fd);
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bool process_new_blockchain_entry(cryptonote::block& b, cryptonote::block_complete_entry& bche, crypto::hash& bl_id, uint64_t height, fail_details& fd);
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bool detach_blockchain(uint64_t height);
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bool get_short_chain_history(std::list<crypto::hash>& ids);
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bool is_tx_spendtime_unlocked(uint64_t unlock_time) const;
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bool is_transfer_unlocked(const transfer_details& td) const;
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bool clear();
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bool pull_blocks(size_t& blocks_added, fail_details& fd);
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uint64_t select_transfers(uint64_t needed_money, bool add_dust, uint64_t dust, std::list<transfer_container::iterator>& selected_transfers);
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bool prepare_file_names(const std::string& file_path);
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cryptonote::account_base m_account;
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std::string m_daemon_address;
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std::string m_wallet_file;
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std::string m_keys_file;
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epee::net_utils::http::http_simple_client m_http_client;
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std::vector<crypto::hash> m_blockchain;
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std::atomic<uint64_t> m_local_bc_height; //temporary workaround
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transfer_container m_transfers;
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std::unordered_map<crypto::key_image, size_t> m_key_images;
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cryptonote::account_public_address m_account_public_address;
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uint64_t m_upper_transaction_size_limit; //TODO: auto-calc this value or request from daemon, now use some fixed value
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std::atomic<bool> m_run;
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};
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}
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BOOST_CLASS_VERSION(tools::wallet2, 5)
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namespace boost
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{
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namespace serialization
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{
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template <class Archive>
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inline void serialize(Archive &a, tools::wallet2::transfer_details &x, const boost::serialization::version_type ver)
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{
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a & x.m_block_height;
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a & x.m_global_output_index;
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a & x.m_internal_output_index;
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a & x.m_tx;
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a & x.m_spent;
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a & x.m_key_image;
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}
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}
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}
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namespace tools
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{
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namespace detail
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{
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//----------------------------------------------------------------------------------------------------
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inline void digit_split_strategy(const std::vector<cryptonote::tx_destination_entry>& dsts,
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const cryptonote::tx_destination_entry& change_dst, uint64_t dust_threshold,
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std::vector<cryptonote::tx_destination_entry>& splitted_dsts, uint64_t& dust)
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{
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splitted_dsts.clear();
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dust = 0;
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BOOST_FOREACH(auto& de, dsts)
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{
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cryptonote::decompose_amount_into_digits(de.amount, dust_threshold,
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[&](uint64_t chunk) { splitted_dsts.push_back(cryptonote::tx_destination_entry(chunk, de.addr)); },
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[&](uint64_t a_dust) { splitted_dsts.push_back(cryptonote::tx_destination_entry(a_dust, de.addr)); } );
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}
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cryptonote::decompose_amount_into_digits(change_dst.amount, dust_threshold,
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[&](uint64_t chunk) { splitted_dsts.push_back(cryptonote::tx_destination_entry(chunk, change_dst.addr)); },
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[&](uint64_t a_dust) { dust = a_dust; } );
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}
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//----------------------------------------------------------------------------------------------------
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inline void null_split_strategy(const std::vector<cryptonote::tx_destination_entry>& dsts,
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const cryptonote::tx_destination_entry& change_dst, uint64_t dust_threshold,
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std::vector<cryptonote::tx_destination_entry>& splitted_dsts, uint64_t& dust)
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{
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splitted_dsts = dsts;
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dust = 0;
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uint64_t change = change_dst.amount;
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if (0 < dust_threshold)
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{
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for (uint64_t order = 10; order <= 10 * dust_threshold; order *= 10)
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{
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uint64_t dust_candidate = change_dst.amount % order;
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uint64_t change_candidate = (change_dst.amount / order) * order;
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if (dust_candidate <= dust_threshold)
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{
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dust = dust_candidate;
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change = change_candidate;
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}
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else
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{
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break;
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}
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}
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}
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if (0 != change)
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{
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splitted_dsts.push_back(cryptonote::tx_destination_entry(change, change_dst.addr));
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}
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}
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//----------------------------------------------------------------------------------------------------
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inline void print_source_entry(const cryptonote::tx_source_entry& src)
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{
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std::string indexes;
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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) + " "; });
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LOG_PRINT_L0("amount=" << cryptonote::print_money(src.amount) << ", real_output=" <<src.real_output << ", real_output_in_tx_index=" << src.real_output_in_tx_index << ", indexes: " << indexes);
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}
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//----------------------------------------------------------------------------------------------------
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}
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//----------------------------------------------------------------------------------------------------
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template<typename T>
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bool wallet2::enum_incoming_transfers(const T& handler) const
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{
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if(!m_transfers.empty())
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{
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BOOST_FOREACH(const transfer_details& td, m_transfers)
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{
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handler(td.m_tx, td.m_global_output_index, td.amount(), td.m_spent);
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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//----------------------------------------------------------------------------------------------------
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template<typename T>
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bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
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uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy)
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{
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cryptonote::transaction tx;
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return transfer(dsts, fake_outputs_count, unlock_time, fee, destination_split_strategy, dust_policy, tx);
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}
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template<typename T>
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bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
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uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx)
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{
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fail_details stub = AUTO_VAL_INIT(stub);
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return transfer(dsts, fake_outputs_count, unlock_time, fee, destination_split_strategy, dust_policy, tx, stub);
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}
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template<typename T>
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bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
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uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx, fail_details& tfd)
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{
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using namespace cryptonote;
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uint64_t needed_money = fee;
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BOOST_FOREACH(auto& dt, dsts)
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{
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CHECK_AND_ASSERT_MES(dt.amount > 0, false, "Wrong destination amount value: " << dt.amount);
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needed_money += dt.amount;
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}
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std::list<transfer_container::iterator> selected_transfers;
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uint64_t found_money = select_transfers(needed_money, 0 == fake_outputs_count, dust_policy.dust_threshold, selected_transfers);
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if(found_money < needed_money)
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{
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LOG_ERROR("not enough money, available only " << print_money(found_money) << ", transaction amount " <<
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print_money(needed_money) << " = " << print_money(needed_money - fee) << " + " << print_money(fee) << " (fee)");
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tfd.reason = fail_details::error_not_enough_money;
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return false;
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}
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//typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount outs_for_amount;
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typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry out_entry;
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typedef cryptonote::tx_source_entry::output_entry tx_output_entry;
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COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response daemon_resp = AUTO_VAL_INIT(daemon_resp);
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if(fake_outputs_count)
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{
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COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request req = AUTO_VAL_INIT(req);
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req.outs_count = fake_outputs_count + 1;// add one to make possible (if need) to skip real output key
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BOOST_FOREACH(transfer_container::iterator it, selected_transfers)
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{
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CHECK_AND_ASSERT_MES(it->m_tx.vout.size() > it->m_internal_output_index, false, "internal error: m_internal_output_index = "
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<< it->m_internal_output_index << " more than " << it->m_tx.vout.size());
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req.amounts.push_back(it->amount());
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}
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bool r = net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/getrandom_outs.bin", req, daemon_resp, m_http_client, 200000);
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if (!r) tfd.reason = fail_details::error_not_connected;
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else if (CORE_RPC_STATUS_BUSY == daemon_resp.status) tfd.reason = fail_details::error_daemon_is_busy;
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else if (CORE_RPC_STATUS_OK != daemon_resp.status) tfd.reason = fail_details::error_internal_error;
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else tfd.reason = fail_details::error_ok;
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if (fail_details::error_ok != tfd.reason)
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{
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LOG_PRINT_L0("failed to invoke getrandom_outs.bin: " << interpret_rpc_response(r, daemon_resp.status));
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return false;
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}
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tfd.reason = fail_details::error_internal_error;
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CHECK_AND_ASSERT_MES(daemon_resp.outs.size() == selected_transfers.size(), false,
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"internal error: daemon returned wrong response for getrandom_outs.bin, wrong amounts count = "
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<< daemon_resp.outs.size() << ", expected " << selected_transfers.size());
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tfd.reason = fail_details::error_ok;
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BOOST_FOREACH(COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& amount_outs, daemon_resp.outs)
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{
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if (amount_outs.outs.size() != fake_outputs_count)
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{
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tfd.reason = fail_details::error_too_big_mixin;
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LOG_PRINT_L0("not enough outputs to mix output " << print_money(amount_outs.amount) << ", requested " <<
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fake_outputs_count << ", found " << amount_outs.outs.size());
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}
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}
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if (fail_details::error_ok != tfd.reason)
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return false;
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}
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tfd.reason = fail_details::error_ok;
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//prepare inputs
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size_t i = 0;
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std::vector<cryptonote::tx_source_entry> sources;
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BOOST_FOREACH(transfer_container::iterator it, selected_transfers)
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{
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sources.resize(sources.size()+1);
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cryptonote::tx_source_entry& src = sources.back();
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transfer_details& td = *it;
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src.amount = td.amount();
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//paste mixin transaction
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if(daemon_resp.outs.size())
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{
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daemon_resp.outs[i].outs.sort([](const out_entry& a, const out_entry& b){return a.global_amount_index < b.global_amount_index;});
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BOOST_FOREACH(out_entry& daemon_oe, daemon_resp.outs[i].outs)
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{
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if(td.m_global_output_index == daemon_oe.global_amount_index)
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continue;
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tx_output_entry oe;
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oe.first = daemon_oe.global_amount_index;
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oe.second = daemon_oe.out_key;
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src.outputs.push_back(oe);
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if(src.outputs.size() >= fake_outputs_count)
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break;
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}
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}
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//paste real transaction to the random index
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auto it_to_insert = std::find_if(src.outputs.begin(), src.outputs.end(), [&](const tx_output_entry& a)
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{
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return a.first >= td.m_global_output_index;
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});
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//size_t real_index = src.outputs.size() ? (rand() % src.outputs.size() ):0;
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tx_output_entry real_oe;
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real_oe.first = td.m_global_output_index;
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real_oe.second = boost::get<txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key;
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auto interted_it = src.outputs.insert(it_to_insert, real_oe);
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src.real_out_tx_key = get_tx_pub_key_from_extra(td.m_tx);
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src.real_output = interted_it - src.outputs.begin();
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src.real_output_in_tx_index = td.m_internal_output_index;
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detail::print_source_entry(src);
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++i;
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}
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|
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cryptonote::tx_destination_entry change_dts = AUTO_VAL_INIT(change_dts);
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if (needed_money < found_money)
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{
|
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change_dts.addr = m_account.get_keys().m_account_address;
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change_dts.amount = found_money - needed_money;
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}
|
|
|
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uint64_t dust = 0;
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std::vector<cryptonote::tx_destination_entry> splitted_dsts;
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destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust);
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CHECK_AND_ASSERT_MES(dust <= dust_policy.dust_threshold, false, "internal error: invalid dust value");
|
|
if (0 != dust && !dust_policy.add_to_fee)
|
|
{
|
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splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust));
|
|
}
|
|
|
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tfd.reason = fail_details::error_internal_error;
|
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bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, tx, unlock_time);
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CHECK_AND_ASSERT_MES(r, false, "Transaction construction failed");
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|
|
|
//check transaction size
|
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if(get_object_blobsize(tx) >= m_upper_transaction_size_limit)
|
|
{
|
|
LOG_PRINT_L0("Transaction size is too big: " << get_object_blobsize(tx) << ", expected size < " << m_upper_transaction_size_limit);
|
|
tfd.reason = 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;
|
|
r = net_utils::invoke_http_json_remote_command2(m_daemon_address + "/sendrawtransaction", req, daemon_send_resp, m_http_client, 200000);
|
|
if (!r)
|
|
{
|
|
tfd.reason = fail_details::error_not_connected;
|
|
LOG_PRINT_L0("failed to send transaction: " << interpret_rpc_response(r, daemon_send_resp.status));
|
|
return false;
|
|
}
|
|
else if (CORE_RPC_STATUS_BUSY == daemon_send_resp.status)
|
|
{
|
|
tfd.reason = fail_details::error_daemon_is_busy;
|
|
LOG_PRINT_L0("failed to send transaction: " << interpret_rpc_response(r, daemon_send_resp.status));
|
|
return false;
|
|
}
|
|
else if (CORE_RPC_STATUS_OK != daemon_send_resp.status)
|
|
{
|
|
tfd.reason = fail_details::error_rejected_by_daemon;
|
|
LOG_ERROR("daemon failed to accept generated transaction, id: " << get_transaction_hash(tx));
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
tfd.reason = fail_details::error_ok;
|
|
}
|
|
|
|
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 = fail_details::error_ok;
|
|
return true;
|
|
}
|
|
}
|