diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
| -rw-r--r-- | src/wallet/wallet2.cpp | 182 |
1 files changed, 144 insertions, 38 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 8ea605375..ac8802ca4 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -80,6 +80,8 @@ using namespace cryptonote; #define RECENT_OUTPUT_RATIO (0.25) // 25% of outputs are from the recent zone #define RECENT_OUTPUT_ZONE (5 * 86400) // last 5 days are the recent zone +#define FEE_ESTIMATE_GRACE_BLOCKS 10 // estimate fee valid for that many blocks + #define KILL_IOSERVICE() \ do { \ work.reset(); \ @@ -195,7 +197,7 @@ void wallet2::set_unspent(size_t idx) td.m_spent_height = 0; } //---------------------------------------------------------------------------------------------------- -void wallet2::check_acc_out(const account_keys &acc, const tx_out &o, const crypto::public_key &tx_pub_key, size_t i, bool &received, uint64_t &money_transfered, bool &error) const +void wallet2::check_acc_out_precomp(const crypto::public_key &spend_public_key, const tx_out &o, const crypto::key_derivation &derivation, size_t i, bool &received, uint64_t &money_transfered, bool &error) const { if (o.target.type() != typeid(txout_to_key)) { @@ -203,7 +205,7 @@ void wallet2::check_acc_out(const account_keys &acc, const tx_out &o, const cryp LOG_ERROR("wrong type id in transaction out"); return; } - received = is_out_to_acc(acc, boost::get<txout_to_key>(o.target), tx_pub_key, i); + received = is_out_to_acc_precomp(spend_public_key, boost::get<txout_to_key>(o.target), derivation, i); if(received) { money_transfered = o.amount; // may be 0 for ringct outputs @@ -250,8 +252,6 @@ bool wallet2::wallet_generate_key_image_helper(const cryptonote::account_keys& a { if (!cryptonote::generate_key_image_helper(ack, tx_public_key, real_output_index, in_ephemeral, ki)) return false; - if (m_watch_only) - memset(&ki, 0, 32); return true; } //---------------------------------------------------------------------------------------------------- @@ -308,6 +308,9 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s std::deque<uint64_t> amount(tx.vout.size()); std::deque<rct::key> mask(tx.vout.size()); int threads = tools::get_max_concurrency(); + const cryptonote::account_keys& keys = m_account.get_keys(); + crypto::key_derivation derivation; + generate_key_derivation(tx_pub_key, keys.m_view_secret_key, derivation); if (miner_tx && m_refresh_type == RefreshNoCoinbase) { // assume coinbase isn't for us @@ -316,7 +319,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s { uint64_t money_transfered = 0; bool error = false, received = false; - check_acc_out(m_account.get_keys(), tx.vout[0], tx_pub_key, 0, received, money_transfered, error); + check_acc_out_precomp(keys.m_account_address.m_spend_public_key, tx.vout[0], derivation, 0, received, money_transfered, error); if (error) { r = false; @@ -326,14 +329,13 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s // this assumes that the miner tx pays a single address if (received) { - wallet_generate_key_image_helper(m_account.get_keys(), tx_pub_key, 0, in_ephemeral[0], ki[0]); + wallet_generate_key_image_helper(keys, tx_pub_key, 0, in_ephemeral[0], ki[0]); THROW_WALLET_EXCEPTION_IF(in_ephemeral[0].pub != boost::get<cryptonote::txout_to_key>(tx.vout[0].target).key, error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key"); outs.push_back(0); if (money_transfered == 0) { - const cryptonote::account_keys& keys = m_account.get_keys(); money_transfered = tools::decodeRct(tx.rct_signatures, pub_key_field.pub_key, keys.m_view_secret_key, 0, mask[0]); } amount[0] = money_transfered; @@ -349,14 +351,13 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s threadpool.create_thread(boost::bind(&boost::asio::io_service::run, &ioservice)); } - const account_keys &keys = m_account.get_keys(); std::vector<uint64_t> money_transfered(tx.vout.size()); std::deque<bool> error(tx.vout.size()); std::deque<bool> received(tx.vout.size()); // the first one was already checked for (size_t i = 1; i < tx.vout.size(); ++i) { - ioservice.dispatch(boost::bind(&wallet2::check_acc_out, this, std::cref(keys), std::cref(tx.vout[i]), std::cref(tx_pub_key), i, + ioservice.dispatch(boost::bind(&wallet2::check_acc_out_precomp, this, std::cref(keys.m_account_address.m_spend_public_key), std::cref(tx.vout[i]), std::cref(derivation), i, std::ref(received[i]), std::ref(money_transfered[i]), std::ref(error[i]))); } KILL_IOSERVICE(); @@ -369,14 +370,13 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s } if (received[i]) { - wallet_generate_key_image_helper(m_account.get_keys(), tx_pub_key, i, in_ephemeral[i], ki[i]); + wallet_generate_key_image_helper(keys, tx_pub_key, i, in_ephemeral[i], ki[i]); THROW_WALLET_EXCEPTION_IF(in_ephemeral[i].pub != boost::get<cryptonote::txout_to_key>(tx.vout[i].target).key, error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key"); outs.push_back(i); if (money_transfered[i] == 0) { - const cryptonote::account_keys& keys = m_account.get_keys(); money_transfered[i] = tools::decodeRct(tx.rct_signatures, pub_key_field.pub_key, keys.m_view_secret_key, i, mask[i]); } tx_money_got_in_outs += money_transfered[i]; @@ -397,13 +397,12 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s threadpool.create_thread(boost::bind(&boost::asio::io_service::run, &ioservice)); } - const account_keys &keys = m_account.get_keys(); std::vector<uint64_t> money_transfered(tx.vout.size()); std::deque<bool> error(tx.vout.size()); std::deque<bool> received(tx.vout.size()); for (size_t i = 0; i < tx.vout.size(); ++i) { - ioservice.dispatch(boost::bind(&wallet2::check_acc_out, this, std::cref(keys), std::cref(tx.vout[i]), std::cref(tx_pub_key), i, + ioservice.dispatch(boost::bind(&wallet2::check_acc_out_precomp, this, std::cref(keys.m_account_address.m_spend_public_key), std::cref(tx.vout[i]), std::cref(derivation), i, std::ref(received[i]), std::ref(money_transfered[i]), std::ref(error[i]))); } KILL_IOSERVICE(); @@ -417,14 +416,13 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s } if (received[i]) { - wallet_generate_key_image_helper(m_account.get_keys(), tx_pub_key, i, in_ephemeral[i], ki[i]); + wallet_generate_key_image_helper(keys, tx_pub_key, i, in_ephemeral[i], ki[i]); THROW_WALLET_EXCEPTION_IF(in_ephemeral[i].pub != boost::get<cryptonote::txout_to_key>(tx.vout[i].target).key, error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key"); outs.push_back(i); if (money_transfered[i] == 0) { - const cryptonote::account_keys& keys = m_account.get_keys(); money_transfered[i] = tools::decodeRct(tx.rct_signatures, pub_key_field.pub_key, keys.m_view_secret_key, i, mask[i]); } tx_money_got_in_outs += money_transfered[i]; @@ -439,7 +437,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s { uint64_t money_transfered = 0; bool error = false, received = false; - check_acc_out(m_account.get_keys(), tx.vout[i], tx_pub_key, i, received, money_transfered, error); + check_acc_out_precomp(keys.m_account_address.m_spend_public_key, tx.vout[i], derivation, i, received, money_transfered, error); if (error) { r = false; @@ -449,14 +447,13 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s { if (received) { - wallet_generate_key_image_helper(m_account.get_keys(), tx_pub_key, i, in_ephemeral[i], ki[i]); + wallet_generate_key_image_helper(keys, tx_pub_key, i, in_ephemeral[i], ki[i]); THROW_WALLET_EXCEPTION_IF(in_ephemeral[i].pub != boost::get<cryptonote::txout_to_key>(tx.vout[i].target).key, error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key"); outs.push_back(i); if (money_transfered == 0) { - const cryptonote::account_keys& keys = m_account.get_keys(); money_transfered = tools::decodeRct(tx.rct_signatures, pub_key_field.pub_key, keys.m_view_secret_key, i, mask[i]); } amount[i] = money_transfered; @@ -484,12 +481,12 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s THROW_WALLET_EXCEPTION_IF(tx.vout.size() <= o, error::wallet_internal_error, "wrong out in transaction: internal index=" + std::to_string(o) + ", total_outs=" + std::to_string(tx.vout.size())); - auto kit = m_key_images.find(ki[o]); - THROW_WALLET_EXCEPTION_IF(kit != m_key_images.end() && kit->second >= m_transfers.size(), - error::wallet_internal_error, std::string("Unexpected transfer index from key image: ") - + "got " + (kit == m_key_images.end() ? "<none>" : boost::lexical_cast<std::string>(kit->second)) + auto kit = m_pub_keys.find(in_ephemeral[o].pub); + THROW_WALLET_EXCEPTION_IF(kit != m_pub_keys.end() && kit->second >= m_transfers.size(), + error::wallet_internal_error, std::string("Unexpected transfer index from public key: ") + + "got " + (kit == m_pub_keys.end() ? "<none>" : boost::lexical_cast<std::string>(kit->second)) + ", m_transfers.size() is " + boost::lexical_cast<std::string>(m_transfers.size())); - if (kit == m_key_images.end()) + if (kit == m_pub_keys.end()) { if (!pool) { @@ -501,6 +498,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s td.m_tx = (const cryptonote::transaction_prefix&)tx; td.m_txid = txid(); td.m_key_image = ki[o]; + td.m_key_image_known = !m_watch_only; td.m_amount = tx.vout[o].amount; if (td.m_amount == 0) { @@ -520,6 +518,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s } set_unspent(m_transfers.size()-1); m_key_images[td.m_key_image] = m_transfers.size()-1; + m_pub_keys[in_ephemeral[o].pub] = m_transfers.size()-1; LOG_PRINT_L0("Received money: " << print_money(td.amount()) << ", with tx: " << txid()); if (0 != m_callback) m_callback->on_money_received(height, tx, td.m_amount); @@ -527,14 +526,14 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s } else if (m_transfers[kit->second].m_spent || m_transfers[kit->second].amount() >= tx.vout[o].amount) { - LOG_ERROR("key image " << epee::string_tools::pod_to_hex(kit->first) + LOG_ERROR("Public key " << epee::string_tools::pod_to_hex(kit->first) << " from received " << print_money(tx.vout[o].amount) << " output already exists with " << (m_transfers[kit->second].m_spent ? "spent" : "unspent") << " " << print_money(m_transfers[kit->second].amount()) << ", received output ignored"); } else { - LOG_ERROR("key image " << epee::string_tools::pod_to_hex(kit->first) + LOG_ERROR("Public key " << epee::string_tools::pod_to_hex(kit->first) << " from received " << print_money(tx.vout[o].amount) << " output already exists with " << print_money(m_transfers[kit->second].amount()) << ", replacing with new output"); // The new larger output replaced a previous smaller one @@ -565,7 +564,7 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, const s td.m_mask = rct::identity(); td.m_rct = false; } - THROW_WALLET_EXCEPTION_IF(td.m_key_image != ki[o], error::wallet_internal_error, "Inconsistent key images"); + THROW_WALLET_EXCEPTION_IF(td.get_public_key() != in_ephemeral[o].pub, error::wallet_internal_error, "Inconsistent public keys"); THROW_WALLET_EXCEPTION_IF(td.m_spent, error::wallet_internal_error, "Inconsistent spent status"); LOG_PRINT_L0("Received money: " << print_money(td.amount()) << ", with tx: " << txid()); @@ -704,6 +703,17 @@ void wallet2::process_outgoing(const cryptonote::transaction &tx, uint64_t heigh else entry.first->second.m_amount_out = spent - tx.rct_signatures.txnFee; entry.first->second.m_change = received; + + std::vector<tx_extra_field> tx_extra_fields; + if(parse_tx_extra(tx.extra, tx_extra_fields)) + { + tx_extra_nonce extra_nonce; + if (find_tx_extra_field_by_type(tx_extra_fields, extra_nonce)) + { + // we do not care about failure here + get_payment_id_from_tx_extra_nonce(extra_nonce.nonce, entry.first->second.m_payment_id); + } + } } entry.first->second.m_block_height = height; entry.first->second.m_timestamp = ts; @@ -1334,7 +1344,13 @@ void wallet2::detach_blockchain(uint64_t height) auto it_ki = m_key_images.find(m_transfers[i].m_key_image); THROW_WALLET_EXCEPTION_IF(it_ki == m_key_images.end(), error::wallet_internal_error, "key image not found"); m_key_images.erase(it_ki); - ++transfers_detached; + } + + for(size_t i = i_start; i!= m_transfers.size();i++) + { + auto it_pk = m_pub_keys.find(m_transfers[i].get_public_key()); + THROW_WALLET_EXCEPTION_IF(it_pk == m_pub_keys.end(), error::wallet_internal_error, "public key not found"); + m_pub_keys.erase(it_pk); } m_transfers.erase(it, m_transfers.end()); @@ -1371,6 +1387,7 @@ bool wallet2::clear() m_blockchain.clear(); m_transfers.clear(); m_key_images.clear(); + m_pub_keys.clear(); m_unconfirmed_txs.clear(); m_payments.clear(); m_tx_keys.clear(); @@ -2147,13 +2164,11 @@ void wallet2::rescan_spent() std::to_string(daemon_resp.spent_status.size()) + ", expected " + std::to_string(key_images.size())); // update spent status - key_image zero_ki; - memset(&zero_ki, 0, 32); for (size_t i = 0; i < m_transfers.size(); ++i) { transfer_details& td = m_transfers[i]; // a view wallet may not know about key images - if (td.m_key_image == zero_ki) + if (!td.m_key_image_known) continue; if (td.m_spent != (daemon_resp.spent_status[i] != COMMAND_RPC_IS_KEY_IMAGE_SPENT::UNSPENT)) { @@ -2355,6 +2370,7 @@ void wallet2::add_unconfirmed_tx(const cryptonote::transaction& tx, uint64_t amo utd.m_amount_out = 0; for (const auto &d: dests) utd.m_amount_out += d.amount; + utd.m_amount_out += change_amount; utd.m_change = change_amount; utd.m_sent_time = time(NULL); utd.m_tx = (const cryptonote::transaction_prefix&)tx; @@ -2753,6 +2769,40 @@ uint64_t wallet2::get_fee_multiplier(uint32_t priority, bool use_new_fee) const return 1; } //---------------------------------------------------------------------------------------------------- +uint64_t wallet2::get_dynamic_per_kb_fee_estimate() +{ + epee::json_rpc::request<cryptonote::COMMAND_RPC_GET_PER_KB_FEE_ESTIMATE::request> req_t = AUTO_VAL_INIT(req_t); + epee::json_rpc::response<cryptonote::COMMAND_RPC_GET_PER_KB_FEE_ESTIMATE::response, std::string> resp_t = AUTO_VAL_INIT(resp_t); + + m_daemon_rpc_mutex.lock(); + req_t.jsonrpc = "2.0"; + req_t.id = epee::serialization::storage_entry(0); + req_t.method = "get_fee_estimate"; + req_t.params.grace_blocks = FEE_ESTIMATE_GRACE_BLOCKS; + bool r = net_utils::invoke_http_json_remote_command2(m_daemon_address + "/json_rpc", req_t, resp_t, m_http_client); + m_daemon_rpc_mutex.unlock(); + CHECK_AND_ASSERT_THROW_MES(r, "Failed to connect to daemon"); + CHECK_AND_ASSERT_THROW_MES(resp_t.result.status != CORE_RPC_STATUS_BUSY, "Failed to connect to daemon"); + CHECK_AND_ASSERT_THROW_MES(resp_t.result.status == CORE_RPC_STATUS_OK, "Failed to get fee estimate"); + return resp_t.result.fee; +} +//---------------------------------------------------------------------------------------------------- +uint64_t wallet2::get_per_kb_fee() +{ + bool use_dyn_fee = use_fork_rules(HF_VERSION_DYNAMIC_FEE, -720 * 14); + if (!use_dyn_fee) + return FEE_PER_KB; + try + { + return get_dynamic_per_kb_fee_estimate(); + } + catch (...) + { + LOG_PRINT_L1("Failed to query per kB fee, using " << print_money(FEE_PER_KB)); + return FEE_PER_KB; + } +} +//---------------------------------------------------------------------------------------------------- // separated the call(s) to wallet2::transfer into their own function // // this function will make multiple calls to wallet2::transfer if multiple @@ -2762,7 +2812,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions(std::vector<crypto const std::vector<size_t> unused_transfers_indices = select_available_outputs_from_histogram(fake_outs_count + 1, true, true, trusted_daemon); const bool use_new_fee = use_fork_rules(3, -720 * 14); - const uint64_t fee_per_kb = use_new_fee ? FEE_PER_KB : FEE_PER_KB_OLD; + const uint64_t fee_per_kb = get_per_kb_fee(); const uint64_t fee_multiplier = get_fee_multiplier(priority, use_new_fee); // failsafe split attempt counter @@ -3483,7 +3533,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp const bool use_rct = use_fork_rules(4, 0); const bool use_new_fee = use_fork_rules(3, -720 * 14); - const uint64_t fee_per_kb = use_new_fee ? FEE_PER_KB : FEE_PER_KB_OLD; + const uint64_t fee_per_kb = get_per_kb_fee(); const uint64_t fee_multiplier = get_fee_multiplier(priority, use_new_fee); // throw if attempting a transaction with no destinations @@ -3765,7 +3815,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton const bool use_rct = fake_outs_count > 0 && use_fork_rules(4, 0); const bool use_new_fee = use_fork_rules(3, -720 * 14); - const uint64_t fee_per_kb = use_new_fee ? FEE_PER_KB : FEE_PER_KB_OLD; + const uint64_t fee_per_kb = get_per_kb_fee(); const uint64_t fee_multiplier = get_fee_multiplier(priority, use_new_fee); LOG_PRINT_L2("Starting with " << unused_transfers_indices.size() << " non-dust outputs and " << unused_dust_indices.size() << " dust outputs"); @@ -4071,7 +4121,7 @@ std::vector<wallet2::pending_tx> wallet2::create_unmixable_sweep_transactions(bo tx_dust_policy dust_policy(hf1_rules ? 0 : ::config::DEFAULT_DUST_THRESHOLD); const bool use_new_fee = use_fork_rules(3, -720 * 14); - const uint64_t fee_per_kb = use_new_fee ? FEE_PER_KB : FEE_PER_KB_OLD; + const uint64_t fee_per_kb = get_per_kb_fee(); // may throw std::vector<size_t> unmixable_outputs = select_available_unmixable_outputs(trusted_daemon); @@ -4264,10 +4314,7 @@ std::vector<std::pair<crypto::key_image, crypto::signature>> wallet2::export_key cryptonote::keypair in_ephemeral; cryptonote::generate_key_image_helper(m_account.get_keys(), tx_pub_key, td.m_internal_output_index, in_ephemeral, ki); - bool zero_key_image = true; - for (size_t i = 0; i < sizeof(td.m_key_image); ++i) - zero_key_image &= (td.m_key_image.data[i] == 0); - THROW_WALLET_EXCEPTION_IF(!zero_key_image && ki != td.m_key_image, + THROW_WALLET_EXCEPTION_IF(td.m_key_image_known && ki != td.m_key_image, error::wallet_internal_error, "key_image generated not matched with cached key image"); THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != pkey, error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key"); @@ -4323,7 +4370,10 @@ uint64_t wallet2::import_key_images(const std::vector<std::pair<crypto::key_imag } for (size_t n = 0; n < signed_key_images.size(); ++n) + { m_transfers[n].m_key_image = signed_key_images[n].first; + m_transfers[n].m_key_image_known = true; + } m_daemon_rpc_mutex.lock(); bool r = epee::net_utils::invoke_http_json_remote_command2(m_daemon_address + "/is_key_image_spent", req, daemon_resp, m_http_client, 200000); @@ -4389,6 +4439,7 @@ size_t wallet2::import_outputs(const std::vector<tools::wallet2::transfer_detail "Public key wasn't found in the transaction extra at index " + i); cryptonote::generate_key_image_helper(m_account.get_keys(), pub_key_field.pub_key, td.m_internal_output_index, in_ephemeral, td.m_key_image); + td.m_key_image_known = true; THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != boost::get<cryptonote::txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key, error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key at index " + i); @@ -4398,6 +4449,61 @@ size_t wallet2::import_outputs(const std::vector<tools::wallet2::transfer_detail return m_transfers.size(); } //---------------------------------------------------------------------------------------------------- +std::string wallet2::encrypt(const std::string &plaintext, const crypto::secret_key &skey, bool authenticated) const +{ + crypto::chacha8_key key; + crypto::generate_chacha8_key(&skey, sizeof(skey), key); + std::string ciphertext; + crypto::chacha8_iv iv = crypto::rand<crypto::chacha8_iv>(); + ciphertext.resize(plaintext.size() + sizeof(iv) + (authenticated ? sizeof(crypto::signature) : 0)); + crypto::chacha8(plaintext.data(), plaintext.size(), key, iv, &ciphertext[sizeof(iv)]); + memcpy(&ciphertext[0], &iv, sizeof(iv)); + if (authenticated) + { + crypto::hash hash; + crypto::cn_fast_hash(ciphertext.data(), ciphertext.size() - sizeof(signature), hash); + crypto::public_key pkey; + crypto::secret_key_to_public_key(skey, pkey); + crypto::signature &signature = *(crypto::signature*)&ciphertext[ciphertext.size() - sizeof(crypto::signature)]; + crypto::generate_signature(hash, pkey, skey, signature); + } + return std::move(ciphertext); +} +//---------------------------------------------------------------------------------------------------- +std::string wallet2::encrypt_with_view_secret_key(const std::string &plaintext, bool authenticated) const +{ + return encrypt(plaintext, get_account().get_keys().m_view_secret_key, authenticated); +} +//---------------------------------------------------------------------------------------------------- +std::string wallet2::decrypt(const std::string &ciphertext, const crypto::secret_key &skey, bool authenticated) const +{ + THROW_WALLET_EXCEPTION_IF(ciphertext.size() < sizeof(chacha8_iv), + error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key"); + + crypto::chacha8_key key; + crypto::generate_chacha8_key(&skey, sizeof(skey), key); + const crypto::chacha8_iv &iv = *(const crypto::chacha8_iv*)&ciphertext[0]; + std::string plaintext; + plaintext.resize(ciphertext.size() - sizeof(iv) - (authenticated ? sizeof(crypto::signature) : 0)); + if (authenticated) + { + crypto::hash hash; + crypto::cn_fast_hash(ciphertext.data(), ciphertext.size() - sizeof(signature), hash); + crypto::public_key pkey; + crypto::secret_key_to_public_key(skey, pkey); + const crypto::signature &signature = *(const crypto::signature*)&ciphertext[ciphertext.size() - sizeof(crypto::signature)]; + THROW_WALLET_EXCEPTION_IF(!crypto::check_signature(hash, pkey, signature), + error::wallet_internal_error, "Failed to authenticate criphertext"); + } + crypto::chacha8(ciphertext.data() + sizeof(iv), ciphertext.size() - sizeof(iv), key, iv, &plaintext[0]); + return std::move(plaintext); +} +//---------------------------------------------------------------------------------------------------- +std::string wallet2::decrypt_with_view_secret_key(const std::string &ciphertext, bool authenticated) const +{ + return decrypt(ciphertext, get_account().get_keys().m_view_secret_key, authenticated); +} +//---------------------------------------------------------------------------------------------------- void wallet2::generate_genesis(cryptonote::block& b) { if (m_testnet) { |