diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
| -rw-r--r-- | src/wallet/wallet2.cpp | 128 |
1 files changed, 108 insertions, 20 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index f57a8d2ca..08c5c010d 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 @@ -308,6 +310,9 @@ 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 +321,7 @@ 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 +331,13 @@ 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 +353,13 @@ 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 +372,13 @@ 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 +399,12 @@ 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 +418,13 @@ 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 +439,7 @@ 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 +449,13 @@ 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; @@ -2765,6 +2764,40 @@ 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 @@ -2774,7 +2807,7 @@ 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 @@ -3495,7 +3528,7 @@ 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 @@ -3777,7 +3810,7 @@ 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"); @@ -4083,7 +4116,7 @@ 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); @@ -4410,6 +4443,61 @@ 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) { |