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https://git.wownero.com/wownero/wownero.git
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0a29660f5c
Coverity 190651
422 lines
16 KiB
C++
422 lines
16 KiB
C++
// Copyright (c) 2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include <cstdlib>
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#include <string>
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#include <vector>
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#include "crypto/hash.h"
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#include <boost/serialization/vector.hpp>
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#include <boost/program_options/variables_map.hpp>
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#include <boost/program_options/options_description.hpp>
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#include <boost/optional/optional.hpp>
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#include "serialization/serialization.h"
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#include "cryptonote_basic/cryptonote_boost_serialization.h"
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#include "cryptonote_basic/account_boost_serialization.h"
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#include "cryptonote_basic/cryptonote_basic.h"
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#include "common/i18n.h"
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#include "common/command_line.h"
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#include "wipeable_string.h"
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#include "message_transporter.h"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "wallet.mms"
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#define AUTO_CONFIG_TOKEN_BYTES 4
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#define AUTO_CONFIG_TOKEN_PREFIX "mms"
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namespace mms
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{
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enum class message_type
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{
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key_set,
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additional_key_set,
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multisig_sync_data,
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partially_signed_tx,
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fully_signed_tx,
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note,
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signer_config,
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auto_config_data
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};
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enum class message_direction
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{
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in,
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out
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};
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enum class message_state
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{
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ready_to_send,
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sent,
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waiting,
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processed,
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cancelled
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};
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enum class message_processing
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{
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prepare_multisig,
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make_multisig,
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exchange_multisig_keys,
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create_sync_data,
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process_sync_data,
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sign_tx,
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send_tx,
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submit_tx,
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process_signer_config,
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process_auto_config_data
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};
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struct message
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{
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uint32_t id;
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message_type type;
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message_direction direction;
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std::string content;
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uint64_t created;
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uint64_t modified;
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uint64_t sent;
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uint32_t signer_index;
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crypto::hash hash;
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message_state state;
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uint32_t wallet_height;
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uint32_t round;
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uint32_t signature_count;
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std::string transport_id;
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};
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// "wallet_height" (for lack of a short name that would describe what it is about)
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// is the number of transfers present in the wallet at the time of message
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// construction; used to coordinate generation of sync info (which depends
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// on the content of the wallet at time of generation)
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struct authorized_signer
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{
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std::string label;
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std::string transport_address;
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bool monero_address_known;
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cryptonote::account_public_address monero_address;
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bool me;
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uint32_t index;
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std::string auto_config_token;
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crypto::public_key auto_config_public_key;
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crypto::secret_key auto_config_secret_key;
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std::string auto_config_transport_address;
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bool auto_config_running;
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authorized_signer()
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{
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monero_address_known = false;
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memset(&monero_address, 0, sizeof(cryptonote::account_public_address));
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me = false;
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index = 0;
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auto_config_public_key = crypto::null_pkey;
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auto_config_secret_key = crypto::null_skey;
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auto_config_running = false;
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};
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};
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struct processing_data
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{
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message_processing processing;
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std::vector<uint32_t> message_ids;
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uint32_t receiving_signer_index = 0;
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};
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struct file_transport_message
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{
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cryptonote::account_public_address sender_address;
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crypto::chacha_iv iv;
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crypto::public_key encryption_public_key;
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message internal_message;
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};
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struct auto_config_data
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{
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std::string label;
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std::string transport_address;
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cryptonote::account_public_address monero_address;
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};
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// Overal .mms file structure, with the "message_store" object serialized to and
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// encrypted in "encrypted_data"
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struct file_data
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{
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std::string magic_string;
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uint32_t file_version;
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crypto::chacha_iv iv;
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std::string encrypted_data;
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};
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// The following struct provides info about the current state of a "wallet2" object
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// at the time of a "message_store" method call that those methods need. See on the
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// one hand a first parameter of this type for several of those methods, and on the
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// other hand the method "wallet2::get_multisig_wallet_state" which clients like the
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// CLI wallet can use to get that info.
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//
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// Note that in the case of a wallet that is already multisig "address" is NOT the
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// multisig address, but the "original" wallet address at creation time. Likewise
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// "view_secret_key" is the original view secret key then.
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//
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// This struct definition is here and not in "wallet2.h" to avoid circular imports.
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struct multisig_wallet_state
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{
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cryptonote::account_public_address address;
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cryptonote::network_type nettype;
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crypto::secret_key view_secret_key;
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bool multisig;
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bool multisig_is_ready;
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bool has_multisig_partial_key_images;
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uint32_t multisig_rounds_passed;
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size_t num_transfer_details;
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std::string mms_file;
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};
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class message_store
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{
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public:
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message_store();
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// Initialize and start to use the MMS, set the first signer, this wallet itself
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// Filename, if not null and not empty, is used to create the ".mms" file
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// reset it if already used, with deletion of all signers and messages
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void init(const multisig_wallet_state &state, const std::string &own_label,
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const std::string &own_transport_address, uint32_t num_authorized_signers, uint32_t num_required_signers);
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void set_active(bool active) { m_active = active; };
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void set_auto_send(bool auto_send) { m_auto_send = auto_send; };
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void set_options(const boost::program_options::variables_map& vm);
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void set_options(const std::string &bitmessage_address, const epee::wipeable_string &bitmessage_login);
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bool get_active() const { return m_active; };
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bool get_auto_send() const { return m_auto_send; };
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uint32_t get_num_required_signers() const { return m_num_required_signers; };
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uint32_t get_num_authorized_signers() const { return m_num_authorized_signers; };
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void set_signer(const multisig_wallet_state &state,
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uint32_t index,
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const boost::optional<std::string> &label,
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const boost::optional<std::string> &transport_address,
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const boost::optional<cryptonote::account_public_address> monero_address);
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const authorized_signer &get_signer(uint32_t index) const;
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bool get_signer_index_by_monero_address(const cryptonote::account_public_address &monero_address, uint32_t &index) const;
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bool get_signer_index_by_label(const std::string label, uint32_t &index) const;
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const std::vector<authorized_signer> &get_all_signers() const { return m_signers; };
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bool signer_config_complete() const;
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bool signer_labels_complete() const;
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void get_signer_config(std::string &signer_config);
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void unpack_signer_config(const multisig_wallet_state &state, const std::string &signer_config,
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std::vector<authorized_signer> &signers);
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void process_signer_config(const multisig_wallet_state &state, const std::string &signer_config);
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void start_auto_config(const multisig_wallet_state &state);
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bool check_auto_config_token(const std::string &raw_token,
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std::string &adjusted_token) const;
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size_t add_auto_config_data_message(const multisig_wallet_state &state,
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const std::string &auto_config_token);
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void process_auto_config_data_message(uint32_t id);
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void stop_auto_config();
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// Process data just created by "me" i.e. the own local wallet, e.g. as the result of a "prepare_multisig" command
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// Creates the resulting messages to the right signers
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void process_wallet_created_data(const multisig_wallet_state &state, message_type type, const std::string &content);
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// Go through all the messages, look at the "ready to process" ones, and check whether any single one
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// or any group of them can be processed, because they are processable as single messages (like a tx
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// that is fully signed and thus ready for submit to the net) or because they form a complete group
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// (e.g. key sets from all authorized signers to make the wallet multisig). If there are multiple
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// candidates, e.g. in 2/3 multisig sending to one OR the other signer to sign, there will be more
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// than 1 element in 'data' for the user to choose. If nothing is ready "false" is returned.
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// The method mostly ignores the order in which the messages were received because messages may be delayed
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// (e.g. sync data from a signer arrives AFTER a transaction to submit) or because message time stamps
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// may be wrong so it's not possible to order them reliably.
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// Messages also may be ready by themselves but the wallet not yet ready for them (e.g. sync data already
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// arriving when the wallet is not yet multisig because key sets were delayed or were lost altogether.)
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// If nothing is ready 'wait_reason' may contain further info about the reason why.
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bool get_processable_messages(const multisig_wallet_state &state,
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bool force_sync,
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std::vector<processing_data> &data_list,
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std::string &wait_reason);
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void set_messages_processed(const processing_data &data);
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size_t add_message(const multisig_wallet_state &state,
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uint32_t signer_index, message_type type, message_direction direction,
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const std::string &content);
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const std::vector<message> &get_all_messages() const { return m_messages; };
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bool get_message_by_id(uint32_t id, message &m) const;
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message get_message_by_id(uint32_t id) const;
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void set_message_processed_or_sent(uint32_t id);
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void delete_message(uint32_t id);
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void delete_all_messages();
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void get_sanitized_message_text(const message &m, std::string &sanitized_text) const;
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void send_message(const multisig_wallet_state &state, uint32_t id);
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bool check_for_messages(const multisig_wallet_state &state, std::vector<message> &messages);
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void stop() { m_run.store(false, std::memory_order_relaxed); m_transporter.stop(); }
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void write_to_file(const multisig_wallet_state &state, const std::string &filename);
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void read_from_file(const multisig_wallet_state &state, const std::string &filename);
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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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a & m_active;
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a & m_num_authorized_signers;
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a & m_nettype;
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a & m_num_required_signers;
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a & m_signers;
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a & m_messages;
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a & m_next_message_id;
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a & m_auto_send;
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}
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static const char* message_type_to_string(message_type type);
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static const char* message_direction_to_string(message_direction direction);
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static const char* message_state_to_string(message_state state);
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std::string signer_to_string(const authorized_signer &signer, uint32_t max_width);
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static const char *tr(const char *str) { return i18n_translate(str, "tools::mms"); }
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static void init_options(boost::program_options::options_description& desc_params);
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private:
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bool m_active;
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uint32_t m_num_authorized_signers;
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uint32_t m_num_required_signers;
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bool m_auto_send;
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cryptonote::network_type m_nettype;
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std::vector<authorized_signer> m_signers;
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std::vector<message> m_messages;
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uint32_t m_next_message_id;
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std::string m_filename;
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message_transporter m_transporter;
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std::atomic<bool> m_run;
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bool get_message_index_by_id(uint32_t id, size_t &index) const;
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size_t get_message_index_by_id(uint32_t id) const;
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message& get_message_ref_by_id(uint32_t id);
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bool any_message_of_type(message_type type, message_direction direction) const;
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bool any_message_with_hash(const crypto::hash &hash) const;
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size_t get_other_signers_id_count(const std::vector<uint32_t> &ids) const;
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bool message_ids_complete(const std::vector<uint32_t> &ids) const;
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void encrypt(crypto::public_key public_key, const std::string &plaintext,
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std::string &ciphertext, crypto::public_key &encryption_public_key, crypto::chacha_iv &iv);
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void decrypt(const std::string &ciphertext, const crypto::public_key &encryption_public_key, const crypto::chacha_iv &iv,
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const crypto::secret_key &view_secret_key, std::string &plaintext);
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std::string create_auto_config_token();
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void setup_signer_for_auto_config(uint32_t index, const std::string token, bool receiving);
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void delete_transport_message(uint32_t id);
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std::string account_address_to_string(const cryptonote::account_public_address &account_address) const;
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void save(const multisig_wallet_state &state);
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};
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}
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BOOST_CLASS_VERSION(mms::file_data, 0)
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BOOST_CLASS_VERSION(mms::message_store, 0)
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BOOST_CLASS_VERSION(mms::message, 0)
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BOOST_CLASS_VERSION(mms::file_transport_message, 0)
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BOOST_CLASS_VERSION(mms::authorized_signer, 1)
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BOOST_CLASS_VERSION(mms::auto_config_data, 0)
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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, mms::file_data &x, const boost::serialization::version_type ver)
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{
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a & x.magic_string;
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a & x.file_version;
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a & x.iv;
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a & x.encrypted_data;
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}
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template <class Archive>
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inline void serialize(Archive &a, mms::message &x, const boost::serialization::version_type ver)
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{
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a & x.id;
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a & x.type;
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a & x.direction;
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a & x.content;
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a & x.created;
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a & x.modified;
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a & x.sent;
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a & x.signer_index;
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a & x.hash;
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a & x.state;
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a & x.wallet_height;
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a & x.round;
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a & x.signature_count;
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a & x.transport_id;
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}
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template <class Archive>
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inline void serialize(Archive &a, mms::authorized_signer &x, const boost::serialization::version_type ver)
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{
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a & x.label;
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a & x.transport_address;
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a & x.monero_address_known;
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a & x.monero_address;
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a & x.me;
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a & x.index;
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if (ver < 1)
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{
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return;
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}
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a & x.auto_config_token;
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a & x.auto_config_public_key;
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a & x.auto_config_secret_key;
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a & x.auto_config_transport_address;
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a & x.auto_config_running;
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}
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template <class Archive>
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inline void serialize(Archive &a, mms::auto_config_data &x, const boost::serialization::version_type ver)
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{
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a & x.label;
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a & x.transport_address;
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a & x.monero_address;
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}
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template <class Archive>
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inline void serialize(Archive &a, mms::file_transport_message &x, const boost::serialization::version_type ver)
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{
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a & x.sender_address;
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a & x.iv;
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a & x.encryption_public_key;
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a & x.internal_message;
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}
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template <class Archive>
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inline void serialize(Archive &a, crypto::chacha_iv &x, const boost::serialization::version_type ver)
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{
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a & x.data;
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}
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}
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}
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