diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
| -rw-r--r-- | src/wallet/wallet2.cpp | 256 |
1 files changed, 226 insertions, 30 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 90977b20a..2af41f588 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -53,6 +53,7 @@ using namespace epee; #include "profile_tools.h" #include "crypto/crypto.h" #include "serialization/binary_utils.h" +#include "serialization/string.h" #include "cryptonote_basic/blobdatatype.h" #include "mnemonics/electrum-words.h" #include "common/i18n.h" @@ -62,7 +63,7 @@ using namespace epee; #include "rapidjson/writer.h" #include "rapidjson/stringbuffer.h" #include "common/json_util.h" -#include "common/memwipe.h" +#include "memwipe.h" #include "common/base58.h" #include "ringct/rctSigs.h" @@ -144,6 +145,16 @@ uint64_t calculate_fee(uint64_t fee_per_kb, const cryptonote::blobdata &blob, ui return calculate_fee(fee_per_kb, blob.size(), fee_multiplier); } +std::string get_size_string(size_t sz) +{ + return std::to_string(sz) + " bytes (" + std::to_string((sz + 1023) / 1024) + " kB)"; +} + +std::string get_size_string(const cryptonote::blobdata &tx) +{ + return get_size_string(tx.size()); +} + std::unique_ptr<tools::wallet2> make_basic(const boost::program_options::variables_map& vm, const options& opts, const std::function<boost::optional<tools::password_container>(const char *, bool)> &password_prompter) { const bool testnet = command_line::get_arg(vm, opts.testnet); @@ -600,6 +611,7 @@ wallet2::wallet2(bool testnet, bool restricted): m_min_output_value(0), m_merge_destinations(false), m_confirm_backlog(true), + m_confirm_backlog_threshold(0), m_is_initialized(false), m_restricted(restricted), is_old_file_format(false), @@ -723,6 +735,70 @@ bool wallet2::get_seed(std::string& electrum_words, const epee::wipeable_string return true; } +//---------------------------------------------------------------------------------------------------- +bool wallet2::get_multisig_seed(std::string& seed, const epee::wipeable_string &passphrase, bool raw) const +{ + bool ready; + uint32_t threshold, total; + if (!multisig(&ready, &threshold, &total)) + { + std::cout << "This is not a multisig wallet" << std::endl; + return false; + } + if (!ready) + { + std::cout << "This multisig wallet is not yet finalized" << std::endl; + return false; + } + if (!raw && seed_language.empty()) + { + std::cout << "seed_language not set" << std::endl; + return false; + } + + crypto::secret_key skey; + crypto::public_key pkey; + const account_keys &keys = get_account().get_keys(); + std::string data; + data.append((const char*)&threshold, sizeof(uint32_t)); + data.append((const char*)&total, sizeof(uint32_t)); + skey = keys.m_spend_secret_key; + data.append((const char*)&skey, sizeof(skey)); + pkey = keys.m_account_address.m_spend_public_key; + data.append((const char*)&pkey, sizeof(pkey)); + skey = keys.m_view_secret_key; + data.append((const char*)&skey, sizeof(skey)); + pkey = keys.m_account_address.m_view_public_key; + data.append((const char*)&pkey, sizeof(pkey)); + for (const auto &skey: keys.m_multisig_keys) + data.append((const char*)&skey, sizeof(skey)); + for (const auto &signer: m_multisig_signers) + data.append((const char*)&signer, sizeof(signer)); + + if (!passphrase.empty()) + { + crypto::secret_key key; + crypto::cn_slow_hash(passphrase.data(), passphrase.size(), (crypto::hash&)key); + sc_reduce32((unsigned char*)key.data); + data = encrypt(data, key, true); + } + + if (raw) + { + seed = epee::string_tools::buff_to_hex_nodelimer(data); + } + else + { + if (!crypto::ElectrumWords::bytes_to_words(data.data(), data.size(), seed, seed_language)) + { + std::cout << "Failed to encode seed"; + return false; + } + } + + return true; +} +//---------------------------------------------------------------------------------------------------- /*! * \brief Gets the seed language */ @@ -1960,6 +2036,11 @@ void wallet2::fast_refresh(uint64_t stop_height, uint64_t &blocks_start_height, pull_hashes(0, blocks_start_height, short_chain_history, hashes); if (hashes.size() <= 3) return; + if (blocks_start_height < m_blockchain.offset()) + { + MERROR("Blocks start before blockchain offset: " << blocks_start_height << " " << m_blockchain.offset()); + return; + } if (hashes.size() + current_index < stop_height) { drop_from_short_history(short_chain_history, 3); std::list<crypto::hash>::iterator right = hashes.end(); @@ -2636,6 +2717,97 @@ bool wallet2::verify_password(const std::string& keys_file_name, const epee::wip * \brief Generates a wallet or restores one. * \param wallet_ Name of wallet file * \param password Password of wallet file + * \param multisig_data The multisig restore info and keys + */ +void wallet2::generate(const std::string& wallet_, const epee::wipeable_string& password, + const std::string& multisig_data) +{ + clear(); + prepare_file_names(wallet_); + + if (!wallet_.empty()) + { + boost::system::error_code ignored_ec; + THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_wallet_file, ignored_ec), error::file_exists, m_wallet_file); + THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_keys_file, ignored_ec), error::file_exists, m_keys_file); + } + + m_account.generate(rct::rct2sk(rct::zero()), true, false); + + THROW_WALLET_EXCEPTION_IF(multisig_data.size() < 32, error::invalid_multisig_seed); + size_t offset = 0; + uint32_t threshold = *(uint32_t*)(multisig_data.data() + offset); + offset += sizeof(uint32_t); + uint32_t total = *(uint32_t*)(multisig_data.data() + offset); + offset += sizeof(uint32_t); + THROW_WALLET_EXCEPTION_IF(threshold < 2, error::invalid_multisig_seed); + THROW_WALLET_EXCEPTION_IF(total != threshold && total != threshold + 1, error::invalid_multisig_seed); + const size_t n_multisig_keys = total == threshold ? 1 : threshold; + THROW_WALLET_EXCEPTION_IF(multisig_data.size() != 8 + 32 * (4 + n_multisig_keys + total), error::invalid_multisig_seed); + + std::vector<crypto::secret_key> multisig_keys; + std::vector<crypto::public_key> multisig_signers; + crypto::secret_key spend_secret_key = *(crypto::secret_key*)(multisig_data.data() + offset); + offset += sizeof(crypto::secret_key); + crypto::public_key spend_public_key = *(crypto::public_key*)(multisig_data.data() + offset); + offset += sizeof(crypto::public_key); + crypto::secret_key view_secret_key = *(crypto::secret_key*)(multisig_data.data() + offset); + offset += sizeof(crypto::secret_key); + crypto::public_key view_public_key = *(crypto::public_key*)(multisig_data.data() + offset); + offset += sizeof(crypto::public_key); + for (size_t n = 0; n < n_multisig_keys; ++n) + { + multisig_keys.push_back(*(crypto::secret_key*)(multisig_data.data() + offset)); + offset += sizeof(crypto::secret_key); + } + for (size_t n = 0; n < total; ++n) + { + multisig_signers.push_back(*(crypto::public_key*)(multisig_data.data() + offset)); + offset += sizeof(crypto::public_key); + } + + crypto::public_key calculated_view_public_key; + THROW_WALLET_EXCEPTION_IF(!crypto::secret_key_to_public_key(view_secret_key, calculated_view_public_key), error::invalid_multisig_seed); + THROW_WALLET_EXCEPTION_IF(view_public_key != calculated_view_public_key, error::invalid_multisig_seed); + crypto::public_key local_signer; + THROW_WALLET_EXCEPTION_IF(!crypto::secret_key_to_public_key(spend_secret_key, local_signer), error::invalid_multisig_seed); + THROW_WALLET_EXCEPTION_IF(std::find(multisig_signers.begin(), multisig_signers.end(), local_signer) == multisig_signers.end(), error::invalid_multisig_seed); + rct::key skey = rct::zero(); + for (const auto &msk: multisig_keys) + sc_add(skey.bytes, skey.bytes, rct::sk2rct(msk).bytes); + THROW_WALLET_EXCEPTION_IF(!(rct::rct2sk(skey) == spend_secret_key), error::invalid_multisig_seed); + + m_account.make_multisig(view_secret_key, spend_secret_key, spend_public_key, multisig_keys); + m_account.finalize_multisig(spend_public_key); + + m_account_public_address = m_account.get_keys().m_account_address; + m_watch_only = false; + m_multisig = true; + m_multisig_threshold = threshold; + m_multisig_signers = multisig_signers; + + if (!wallet_.empty()) + { + bool r = store_keys(m_keys_file, password, false); + THROW_WALLET_EXCEPTION_IF(!r, error::file_save_error, m_keys_file); + + r = file_io_utils::save_string_to_file(m_wallet_file + ".address.txt", m_account.get_public_address_str(m_testnet)); + if(!r) MERROR("String with address text not saved"); + } + + cryptonote::block b; + generate_genesis(b); + m_blockchain.push_back(get_block_hash(b)); + add_subaddress_account(tr("Primary account")); + + if (!wallet_.empty()) + store(); +} + +/*! + * \brief Generates a wallet or restores one. + * \param wallet_ Name of wallet file + * \param password Password of wallet file * \param recovery_param If it is a restore, the recovery key * \param recover Whether it is a restore * \param two_random Whether it is a non-deterministic wallet @@ -5667,7 +5839,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry if (m_multisig) { crypto::public_key ignore = m_multisig_threshold == m_multisig_signers.size() ? crypto::null_pkey : multisig_signers.front(); - multisig_sigs.push_back({tx.rct_signatures, ignore, used_L, {}, msout}); + multisig_sigs.push_back({tx.rct_signatures, ignore, used_L, std::unordered_set<crypto::public_key>(), msout}); if (m_multisig_threshold < m_multisig_signers.size()) { @@ -5694,7 +5866,7 @@ void wallet2::transfer_selected_rct(std::vector<cryptonote::tx_destination_entry THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_testnet); THROW_WALLET_EXCEPTION_IF(upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, upper_transaction_size_limit); THROW_WALLET_EXCEPTION_IF(cryptonote::get_transaction_prefix_hash(ms_tx) != prefix_hash, error::wallet_internal_error, "Multisig txes do not share prefix"); - multisig_sigs.push_back({ms_tx.rct_signatures, multisig_signers[signer_index], new_used_L, {}, msout}); + multisig_sigs.push_back({ms_tx.rct_signatures, multisig_signers[signer_index], new_used_L, std::unordered_set<crypto::public_key>(), msout}); ms_tx.rct_signatures = tx.rct_signatures; THROW_WALLET_EXCEPTION_IF(cryptonote::get_transaction_hash(ms_tx) != cryptonote::get_transaction_hash(tx), error::wallet_internal_error, "Multisig txes differ by more than the signatures"); @@ -5993,7 +6165,8 @@ void wallet2::light_wallet_get_unspent_outs() add_tx_pub_key_to_extra(td.m_tx, tx_pub_key); td.m_key_image = unspent_key_image; - td.m_key_image_known = !m_watch_only; + td.m_key_image_known = !m_watch_only && !m_multisig; + td.m_key_image_partial = m_multisig; td.m_amount = o.amount; td.m_pk_index = 0; td.m_internal_output_index = o.index; @@ -6667,6 +6840,17 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp const size_t estimated_tx_size = estimate_tx_size(use_rct, tx.selected_transfers.size(), fake_outs_count, tx.dsts.size(), extra.size(), bulletproof); needed_fee = calculate_fee(fee_per_kb, estimated_tx_size, fee_multiplier); + uint64_t inputs = 0, outputs = needed_fee; + for (size_t idx: tx.selected_transfers) inputs += m_transfers[idx].amount(); + for (const auto &o: tx.dsts) outputs += o.amount; + + if (inputs < outputs) + { + LOG_PRINT_L2("We don't have enough for the basic fee, switching to adding_fee"); + adding_fee = true; + goto skip_tx; + } + LOG_PRINT_L2("Trying to create a tx now, with " << tx.dsts.size() << " outputs and " << tx.selected_transfers.size() << " inputs"); if (use_rct) @@ -6678,7 +6862,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp auto txBlob = t_serializable_object_to_blob(test_ptx.tx); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); available_for_fee = test_ptx.fee + test_ptx.change_dts.amount + (!test_ptx.dust_added_to_fee ? test_ptx.dust : 0); - LOG_PRINT_L2("Made a " << ((txBlob.size() + 1023) / 1024) << " kB tx, with " << print_money(available_for_fee) << " available for fee (" << + LOG_PRINT_L2("Made a " << get_size_string(txBlob) << " tx, with " << print_money(available_for_fee) << " available for fee (" << print_money(needed_fee) << " needed)"); if (needed_fee > available_for_fee && !dsts.empty() && dsts[0].amount > 0) @@ -6720,11 +6904,11 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx); txBlob = t_serializable_object_to_blob(test_ptx.tx); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); - LOG_PRINT_L2("Made an attempt at a final " << ((txBlob.size() + 1023)/1024) << " kB tx, with " << print_money(test_ptx.fee) << + LOG_PRINT_L2("Made an attempt at a final " << get_size_string(txBlob) << " tx, with " << print_money(test_ptx.fee) << " fee and " << print_money(test_ptx.change_dts.amount) << " change"); } - LOG_PRINT_L2("Made a final " << ((txBlob.size() + 1023)/1024) << " kB tx, with " << print_money(test_ptx.fee) << + LOG_PRINT_L2("Made a final " << get_size_string(txBlob) << " tx, with " << print_money(test_ptx.fee) << " fee and " << print_money(test_ptx.change_dts.amount) << " change"); tx.tx = test_tx; @@ -6742,6 +6926,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp } } +skip_tx: // if unused_*_indices is empty while unused_*_indices_per_subaddr has multiple elements, and if we still have something to pay, // pop front of unused_*_indices_per_subaddr and have unused_*_indices point to the front of unused_*_indices_per_subaddr if ((!dsts.empty() && dsts[0].amount > 0) || adding_fee) @@ -6776,7 +6961,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp for (size_t idx: tx.selected_transfers) tx_money += m_transfers[idx].amount(); LOG_PRINT_L1(" Transaction " << (1+std::distance(txes.begin(), i)) << "/" << txes.size() << - ": " << (tx.bytes+1023)/1024 << " kB, sending " << print_money(tx_money) << " in " << tx.selected_transfers.size() << + ": " << get_size_string(tx.bytes) << ", sending " << print_money(tx_money) << " in " << tx.selected_transfers.size() << " outputs to " << tx.dsts.size() << " destination(s), including " << print_money(tx.ptx.fee) << " fee, " << print_money(tx.ptx.change_dts.amount) << " change"); ptx_vector.push_back(tx.ptx); @@ -6794,37 +6979,48 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_all(uint64_t below THROW_WALLET_EXCEPTION_IF(unlocked_balance(subaddr_account) == 0, error::wallet_internal_error, "No unlocked balance in the entire wallet"); - std::map<uint32_t, uint64_t> balance_per_subaddr = unlocked_balance_per_subaddress(subaddr_account); - - if (subaddr_indices.empty()) - { - // in case subaddress index wasn't specified, choose non-empty subaddress randomly (with index=0 being chosen last) - if (balance_per_subaddr.count(0) == 1 && balance_per_subaddr.size() > 1) - balance_per_subaddr.erase(0); - auto i = balance_per_subaddr.begin(); - std::advance(i, crypto::rand<size_t>() % balance_per_subaddr.size()); - subaddr_indices.insert(i->first); - } - for (uint32_t i : subaddr_indices) - LOG_PRINT_L2("Spending from subaddress index " << i); + std::map<uint32_t, std::pair<std::vector<size_t>, std::vector<size_t>>> unused_transfer_dust_indices_per_subaddr; - // gather all dust and non-dust outputs of specified subaddress + // gather all dust and non-dust outputs of specified subaddress (if any) and below specified threshold (if any) + bool fund_found = false; for (size_t i = 0; i < m_transfers.size(); ++i) { const transfer_details& td = m_transfers[i]; - if (!td.m_spent && !td.m_key_image_partial && (use_rct ? true : !td.is_rct()) && is_transfer_unlocked(td) && td.m_subaddr_index.major == subaddr_account && subaddr_indices.count(td.m_subaddr_index.minor) == 1) + if (!td.m_spent && !td.m_key_image_partial && (use_rct ? true : !td.is_rct()) && is_transfer_unlocked(td) && td.m_subaddr_index.major == subaddr_account && (subaddr_indices.empty() || subaddr_indices.count(td.m_subaddr_index.minor) == 1)) { + fund_found = true; if (below == 0 || td.amount() < below) { if ((td.is_rct()) || is_valid_decomposed_amount(td.amount())) - unused_transfers_indices.push_back(i); + unused_transfer_dust_indices_per_subaddr[td.m_subaddr_index.minor].first.push_back(i); else - unused_dust_indices.push_back(i); + unused_transfer_dust_indices_per_subaddr[td.m_subaddr_index.minor].second.push_back(i); } } } + THROW_WALLET_EXCEPTION_IF(!fund_found, error::wallet_internal_error, "No unlocked balance in the specified subaddress(es)"); + THROW_WALLET_EXCEPTION_IF(unused_transfer_dust_indices_per_subaddr.empty(), error::wallet_internal_error, "The smallest amount found is not below the specified threshold"); - THROW_WALLET_EXCEPTION_IF(unused_transfers_indices.empty() && unused_dust_indices.empty(), error::not_enough_money, 0, 0, 0); // not sure if a new error class (something like 'cant_sweep_empty'?) should be introduced + if (subaddr_indices.empty()) + { + // in case subaddress index wasn't specified, choose non-empty subaddress randomly (with index=0 being chosen last) + if (unused_transfer_dust_indices_per_subaddr.count(0) == 1 && unused_transfer_dust_indices_per_subaddr.size() > 1) + unused_transfer_dust_indices_per_subaddr.erase(0); + auto i = unused_transfer_dust_indices_per_subaddr.begin(); + std::advance(i, crypto::rand<size_t>() % unused_transfer_dust_indices_per_subaddr.size()); + unused_transfers_indices = i->second.first; + unused_dust_indices = i->second.second; + LOG_PRINT_L2("Spending from subaddress index " << i->first); + } + else + { + for (const auto& p : unused_transfer_dust_indices_per_subaddr) + { + unused_transfers_indices.insert(unused_transfers_indices.end(), p.second.first.begin(), p.second.first.end()); + unused_dust_indices.insert(unused_dust_indices.end(), p.second.second.begin(), p.second.second.end()); + LOG_PRINT_L2("Spending from subaddress index " << p.first); + } + } return create_transactions_from(address, is_subaddress, unused_transfers_indices, unused_dust_indices, fake_outs_count, unlock_time, priority, extra, trusted_daemon); } @@ -6928,7 +7124,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton auto txBlob = t_serializable_object_to_blob(test_ptx.tx); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); available_for_fee = test_ptx.fee + test_ptx.dests[0].amount + test_ptx.change_dts.amount; - LOG_PRINT_L2("Made a " << ((txBlob.size() + 1023) / 1024) << " kB tx, with " << print_money(available_for_fee) << " available for fee (" << + LOG_PRINT_L2("Made a " << get_size_string(txBlob) << " tx, with " << print_money(available_for_fee) << " available for fee (" << print_money(needed_fee) << " needed)"); THROW_WALLET_EXCEPTION_IF(needed_fee > available_for_fee, error::wallet_internal_error, "Transaction cannot pay for itself"); @@ -6944,11 +7140,11 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), test_tx, test_ptx); txBlob = t_serializable_object_to_blob(test_ptx.tx); needed_fee = calculate_fee(fee_per_kb, txBlob, fee_multiplier); - LOG_PRINT_L2("Made an attempt at a final " << ((txBlob.size() + 1023)/1024) << " kB tx, with " << print_money(test_ptx.fee) << + LOG_PRINT_L2("Made an attempt at a final " << get_size_string(txBlob) << " tx, with " << print_money(test_ptx.fee) << " fee and " << print_money(test_ptx.change_dts.amount) << " change"); } - LOG_PRINT_L2("Made a final " << ((txBlob.size() + 1023)/1024) << " kB tx, with " << print_money(test_ptx.fee) << + LOG_PRINT_L2("Made a final " << get_size_string(txBlob) << " tx, with " << print_money(test_ptx.fee) << " fee and " << print_money(test_ptx.change_dts.amount) << " change"); tx.tx = test_tx; @@ -6975,7 +7171,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton for (size_t idx: tx.selected_transfers) tx_money += m_transfers[idx].amount(); LOG_PRINT_L1(" Transaction " << (1+std::distance(txes.begin(), i)) << "/" << txes.size() << - ": " << (tx.bytes+1023)/1024 << " kB, sending " << print_money(tx_money) << " in " << tx.selected_transfers.size() << + ": " << get_size_string(tx.bytes) << ", sending " << print_money(tx_money) << " in " << tx.selected_transfers.size() << " outputs to " << tx.dsts.size() << " destination(s), including " << print_money(tx.ptx.fee) << " fee, " << print_money(tx.ptx.change_dts.amount) << " change"); ptx_vector.push_back(tx.ptx); 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