diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
| -rw-r--r-- | src/wallet/wallet2.cpp | 139 |
1 files changed, 111 insertions, 28 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 5c12ad800..1e7b763a0 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -1,4 +1,4 @@ -// Copyright (c) 2014-2018, The Monero Project +// Copyright (c) 2014-2019, The Monero Project // // All rights reserved. // @@ -793,9 +793,8 @@ uint64_t calculate_fee(bool use_per_byte_fee, const cryptonote::transaction &tx, return calculate_fee(base_fee, blob_size, fee_multiplier); } -crypto::hash8 get_short_payment_id(const tools::wallet2::pending_tx &ptx, hw::device &hwdev) +bool get_short_payment_id(crypto::hash8 &payment_id8, const tools::wallet2::pending_tx &ptx, hw::device &hwdev) { - crypto::hash8 payment_id8 = null_hash8; std::vector<tx_extra_field> tx_extra_fields; parse_tx_extra(ptx.tx.extra, tx_extra_fields); // ok if partially parsed cryptonote::tx_extra_nonce extra_nonce; @@ -806,19 +805,19 @@ crypto::hash8 get_short_payment_id(const tools::wallet2::pending_tx &ptx, hw::de if (ptx.dests.empty()) { MWARNING("Encrypted payment id found, but no destinations public key, cannot decrypt"); - return crypto::null_hash8; + return false; } - hwdev.decrypt_payment_id(payment_id8, ptx.dests[0].addr.m_view_public_key, ptx.tx_key); + return hwdev.decrypt_payment_id(payment_id8, ptx.dests[0].addr.m_view_public_key, ptx.tx_key); } } - return payment_id8; + return false; } tools::wallet2::tx_construction_data get_construction_data_with_decrypted_short_payment_id(const tools::wallet2::pending_tx &ptx, hw::device &hwdev) { tools::wallet2::tx_construction_data construction_data = ptx.construction_data; - crypto::hash8 payment_id = get_short_payment_id(ptx,hwdev); - if (payment_id != null_hash8) + crypto::hash8 payment_id = null_hash8; + if (get_short_payment_id(payment_id, ptx, hwdev)) { // Remove encrypted remove_field_from_tx_extra(construction_data.extra, typeid(cryptonote::tx_extra_nonce)); @@ -3233,6 +3232,26 @@ bool wallet2::clear() m_device_last_key_image_sync = 0; return true; } +//---------------------------------------------------------------------------------------------------- +void wallet2::clear_soft(bool keep_key_images) +{ + m_blockchain.clear(); + m_transfers.clear(); + if (!keep_key_images) + m_key_images.clear(); + m_pub_keys.clear(); + m_unconfirmed_txs.clear(); + m_payments.clear(); + m_confirmed_txs.clear(); + m_unconfirmed_payments.clear(); + m_scanned_pool_txs[0].clear(); + m_scanned_pool_txs[1].clear(); + + cryptonote::block b; + generate_genesis(b); + m_blockchain.push_back(get_block_hash(b)); + m_last_block_reward = cryptonote::get_outs_money_amount(b.miner_tx); +} /*! * \brief Stores wallet information to wallet file. @@ -5479,8 +5498,12 @@ void wallet2::rescan_spent() } } //---------------------------------------------------------------------------------------------------- -void wallet2::rescan_blockchain(bool hard, bool refresh) +void wallet2::rescan_blockchain(bool hard, bool refresh, bool keep_key_images) { + CHECK_AND_ASSERT_THROW_MES(!hard || !keep_key_images, "Cannot preserve key images on hard rescan"); + const size_t transfers_cnt = m_transfers.size(); + crypto::hash transfers_hash{}; + if(hard) { clear(); @@ -5488,25 +5511,16 @@ void wallet2::rescan_blockchain(bool hard, bool refresh) } else { - m_blockchain.clear(); - m_transfers.clear(); - m_key_images.clear(); - m_pub_keys.clear(); - m_unconfirmed_txs.clear(); - m_payments.clear(); - m_confirmed_txs.clear(); - m_unconfirmed_payments.clear(); - m_scanned_pool_txs[0].clear(); - m_scanned_pool_txs[1].clear(); - - cryptonote::block b; - generate_genesis(b); - m_blockchain.push_back(get_block_hash(b)); - m_last_block_reward = cryptonote::get_outs_money_amount(b.miner_tx); + if (keep_key_images && refresh) + hash_m_transfers((int64_t) transfers_cnt, transfers_hash); + clear_soft(keep_key_images); } if (refresh) this->refresh(false); + + if (refresh && keep_key_images) + finish_rescan_bc_keep_key_images(transfers_cnt, transfers_hash); } //---------------------------------------------------------------------------------------------------- bool wallet2::is_transfer_unlocked(const transfer_details& td) const @@ -6345,17 +6359,17 @@ bool wallet2::save_multisig_tx(const std::vector<pending_tx>& ptx_vector, const return epee::file_io_utils::save_string_to_file(filename, ciphertext); } //---------------------------------------------------------------------------------------------------- -bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func) +bool wallet2::parse_multisig_tx_from_str(std::string multisig_tx_st, multisig_tx_set &exported_txs) const { const size_t magiclen = strlen(MULTISIG_UNSIGNED_TX_PREFIX); - if (strncmp(s.c_str(), MULTISIG_UNSIGNED_TX_PREFIX, magiclen)) + if (strncmp(multisig_tx_st.c_str(), MULTISIG_UNSIGNED_TX_PREFIX, magiclen)) { LOG_PRINT_L0("Bad magic from multisig tx data"); return false; } try { - s = decrypt_with_view_secret_key(std::string(s, magiclen)); + multisig_tx_st = decrypt_with_view_secret_key(std::string(multisig_tx_st, magiclen)); } catch (const std::exception &e) { @@ -6364,7 +6378,7 @@ bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported } try { - std::istringstream iss(s); + std::istringstream iss(multisig_tx_st); boost::archive::portable_binary_iarchive ar(iss); ar >> exported_txs; } @@ -6386,6 +6400,17 @@ bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported CHECK_AND_ASSERT_MES(ptx.construction_data.sources.size() == ptx.tx.vin.size(), false, "Mismatched sources/vin sizes"); } + return true; +} +//---------------------------------------------------------------------------------------------------- +bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func) +{ + if(!parse_multisig_tx_from_str(s, exported_txs)) + { + LOG_PRINT_L0("Failed to parse multisig transaction from string"); + return false; + } + LOG_PRINT_L1("Loaded multisig tx unsigned data from binary: " << exported_txs.m_ptx.size() << " transactions"); for (auto &ptx: exported_txs.m_ptx) LOG_PRINT_L0(cryptonote::obj_to_json_str(ptx.tx)); @@ -9159,6 +9184,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp { const size_t estimated_rct_tx_weight = estimate_tx_weight(use_rct, tx.selected_transfers.size(), fake_outs_count, tx.dsts.size()+1, extra.size(), bulletproof); try_tx = dsts.empty() || (estimated_rct_tx_weight >= TX_WEIGHT_TARGET(upper_transaction_weight_limit)); + THROW_WALLET_EXCEPTION_IF(try_tx && tx.dsts.empty(), error::tx_too_big, estimated_rct_tx_weight, upper_transaction_weight_limit); } } @@ -11480,6 +11506,7 @@ uint64_t wallet2::import_key_images(const std::vector<std::pair<crypto::key_imag auto it = m_key_images.find(boost::get<cryptonote::txin_to_key>(in).k_image); if (it != m_key_images.end()) { + THROW_WALLET_EXCEPTION_IF(it->second >= m_transfers.size(), error::wallet_internal_error, std::string("Key images cache contains illegal transfer offset: ") + std::to_string(it->second) + std::string(" m_transfers.size() = ") + std::to_string(m_transfers.size())); const transfer_details& td = m_transfers[it->second]; uint64_t amount = boost::get<cryptonote::txin_to_key>(in).amount; if (amount > 0) @@ -12605,5 +12632,61 @@ void wallet2::throw_on_rpc_response_error(const boost::optional<std::string> &st THROW_WALLET_EXCEPTION_IF(*status == CORE_RPC_STATUS_BUSY, tools::error::daemon_busy, method); THROW_WALLET_EXCEPTION_IF(*status != CORE_RPC_STATUS_OK, tools::error::wallet_generic_rpc_error, method, m_trusted_daemon ? *status : "daemon error"); } +//---------------------------------------------------------------------------------------------------- +void wallet2::hash_m_transfer(const transfer_details & transfer, crypto::hash &hash) const +{ + KECCAK_CTX state; + keccak_init(&state); + keccak_update(&state, (const uint8_t *) transfer.m_txid.data, sizeof(transfer.m_txid.data)); + keccak_update(&state, (const uint8_t *) transfer.m_internal_output_index, sizeof(transfer.m_internal_output_index)); + keccak_update(&state, (const uint8_t *) transfer.m_global_output_index, sizeof(transfer.m_global_output_index)); + keccak_update(&state, (const uint8_t *) transfer.m_amount, sizeof(transfer.m_amount)); + keccak_finish(&state, (uint8_t *) hash.data); +} +//---------------------------------------------------------------------------------------------------- +uint64_t wallet2::hash_m_transfers(int64_t transfer_height, crypto::hash &hash) const +{ + CHECK_AND_ASSERT_THROW_MES(transfer_height > (int64_t)m_transfers.size(), "Hash height is greater than number of transfers"); + KECCAK_CTX state; + crypto::hash tmp_hash{}; + uint64_t current_height = 0; + + keccak_init(&state); + for(const transfer_details & transfer : m_transfers){ + if (transfer_height >= 0 && current_height >= (uint64_t)transfer_height){ + break; + } + + hash_m_transfer(transfer, tmp_hash); + keccak_update(&state, (const uint8_t *) transfer.m_block_height, sizeof(transfer.m_block_height)); + keccak_update(&state, (const uint8_t *) tmp_hash.data, sizeof(tmp_hash.data)); + current_height += 1; + } + + keccak_finish(&state, (uint8_t *) hash.data); + return current_height; +} +//---------------------------------------------------------------------------------------------------- +void wallet2::finish_rescan_bc_keep_key_images(uint64_t transfer_height, const crypto::hash &hash) +{ + // Compute hash of m_transfers, if differs there had to be BC reorg. + crypto::hash new_transfers_hash{}; + hash_m_transfers((int64_t) transfer_height, new_transfers_hash); + + if (new_transfers_hash != hash) + { + // Soft-Reset to avoid inconsistency in case of BC reorg. + clear_soft(false); // keep_key_images works only with soft reset. + THROW_WALLET_EXCEPTION_IF(true, error::wallet_internal_error, "Transfers changed during rescan, soft or hard rescan is needed"); + } + + // Restore key images in m_transfers from m_key_images + for(auto it = m_key_images.begin(); it != m_key_images.end(); it++) + { + THROW_WALLET_EXCEPTION_IF(it->second >= m_transfers.size(), error::wallet_internal_error, "Key images cache contains illegal transfer offset"); + m_transfers[it->second].m_key_image = it->first; + m_transfers[it->second].m_key_image_known = true; + } +} } |