diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
| -rw-r--r-- | src/wallet/wallet2.cpp | 97 |
1 files changed, 87 insertions, 10 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 8b2735b01..c6b70ee2e 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -1681,7 +1681,25 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote td.m_txid = txid; td.m_key_image = tx_scan_info[o].ki; td.m_key_image_known = !m_watch_only && !m_multisig; - td.m_key_image_requested = false; + if (!td.m_key_image_known) + { + // we might have cold signed, and have a mapping to key images + std::unordered_map<crypto::public_key, crypto::key_image>::const_iterator i = m_cold_key_images.find(tx_scan_info[o].in_ephemeral.pub); + if (i != m_cold_key_images.end()) + { + td.m_key_image = i->second; + td.m_key_image_known = true; + } + } + if (m_watch_only) + { + // for view wallets, that flag means "we want to request it" + td.m_key_image_request = true; + } + else + { + td.m_key_image_request = false; + } td.m_key_image_partial = m_multisig; td.m_amount = amount; td.m_pk_index = pk_index - 1; @@ -1703,7 +1721,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote td.m_rct = false; } set_unspent(m_transfers.size()-1); - if (!m_multisig && !m_watch_only) + if (td.m_key_image_known) m_key_images[td.m_key_image] = m_transfers.size()-1; m_pub_keys[tx_scan_info[o].in_ephemeral.pub] = m_transfers.size()-1; if (output_tracker_cache) @@ -5924,6 +5942,61 @@ bool wallet2::sign_tx(unsigned_tx_set &exported_txs, std::vector<wallet2::pendin txs.back().additional_tx_keys = additional_tx_keys; } + // add key image mapping for these txes + const account_keys &keys = get_account().get_keys(); + hw::device &hwdev = m_account.get_device(); + for (size_t n = 0; n < exported_txs.txes.size(); ++n) + { + const cryptonote::transaction &tx = signed_txes.ptx[n].tx; + + crypto::key_derivation derivation; + std::vector<crypto::key_derivation> additional_derivations; + + // compute public keys from out secret keys + crypto::public_key tx_pub_key; + crypto::secret_key_to_public_key(txs[n].tx_key, tx_pub_key); + std::vector<crypto::public_key> additional_tx_pub_keys; + for (const crypto::secret_key &skey: txs[n].additional_tx_keys) + { + additional_tx_pub_keys.resize(additional_tx_pub_keys.size() + 1); + crypto::secret_key_to_public_key(skey, additional_tx_pub_keys.back()); + } + + // compute derivations + hwdev.set_mode(hw::device::TRANSACTION_PARSE); + if (!hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, derivation)) + { + MWARNING("Failed to generate key derivation from tx pubkey in " << cryptonote::get_transaction_hash(tx) << ", skipping"); + static_assert(sizeof(derivation) == sizeof(rct::key), "Mismatched sizes of key_derivation and rct::key"); + memcpy(&derivation, rct::identity().bytes, sizeof(derivation)); + } + for (size_t i = 0; i < additional_tx_pub_keys.size(); ++i) + { + additional_derivations.push_back({}); + if (!hwdev.generate_key_derivation(additional_tx_pub_keys[i], keys.m_view_secret_key, additional_derivations.back())) + { + MWARNING("Failed to generate key derivation from additional tx pubkey in " << cryptonote::get_transaction_hash(tx) << ", skipping"); + memcpy(&additional_derivations.back(), rct::identity().bytes, sizeof(crypto::key_derivation)); + } + } + + for (size_t i = 0; i < tx.vout.size(); ++i) + { + if (tx.vout[i].target.type() != typeid(cryptonote::txout_to_key)) + continue; + const cryptonote::txout_to_key &out = boost::get<cryptonote::txout_to_key>(tx.vout[i].target); + // if this output is back to this wallet, we can calculate its key image already + if (!is_out_to_acc_precomp(m_subaddresses, out.key, derivation, additional_derivations, i, hwdev)) + continue; + crypto::key_image ki; + cryptonote::keypair in_ephemeral; + if (generate_key_image_helper(keys, m_subaddresses, out.key, tx_pub_key, additional_tx_pub_keys, i, in_ephemeral, ki, hwdev)) + signed_txes.tx_key_images[out.key] = ki; + else + MERROR("Failed to calculate key image"); + } + } + // add key images signed_txes.key_images.resize(m_transfers.size()); for (size_t i = 0; i < m_transfers.size(); ++i) @@ -6086,6 +6159,10 @@ bool wallet2::parse_tx_from_str(const std::string &signed_tx_st, std::vector<too bool r = import_key_images(signed_txs.key_images); if (!r) return false; + // remember key images for this tx, for when we get those txes from the blockchain + for (const auto &e: signed_txs.tx_key_images) + m_cold_key_images.insert(e); + ptx = signed_txs.ptx; return true; @@ -8284,7 +8361,7 @@ void wallet2::light_wallet_get_unspent_outs() td.m_key_image = unspent_key_image; td.m_key_image_known = !m_watch_only && !m_multisig; - td.m_key_image_requested = false; + td.m_key_image_request = false; td.m_key_image_partial = m_multisig; td.m_amount = o.amount; td.m_pk_index = 0; @@ -10894,7 +10971,7 @@ std::pair<size_t, std::vector<std::pair<crypto::key_image, crypto::signature>>> size_t offset = 0; if (!all) { - while (offset < m_transfers.size() && !m_transfers[offset].m_key_image_requested) + while (offset < m_transfers.size() && !m_transfers[offset].m_key_image_request) ++offset; } @@ -11054,7 +11131,7 @@ uint64_t wallet2::import_key_images(const std::vector<std::pair<crypto::key_imag m_transfers[n + offset].m_key_image = signed_key_images[n].first; m_key_images[m_transfers[n + offset].m_key_image] = n + offset; m_transfers[n + offset].m_key_image_known = true; - m_transfers[n + offset].m_key_image_requested = false; + m_transfers[n + offset].m_key_image_request = false; m_transfers[n + offset].m_key_image_partial = false; } PERF_TIMER_STOP(import_key_images_B); @@ -11273,7 +11350,7 @@ bool wallet2::import_key_images(std::vector<crypto::key_image> key_images) td.m_key_image = key_images[i]; m_key_images[m_transfers[i].m_key_image] = i; td.m_key_image_known = true; - td.m_key_image_requested = false; + td.m_key_image_request = false; td.m_key_image_partial = false; m_pub_keys[m_transfers[i].get_public_key()] = i; } @@ -11345,7 +11422,7 @@ std::pair<size_t, std::vector<tools::wallet2::transfer_details>> wallet2::export std::vector<tools::wallet2::transfer_details> outs; size_t offset = 0; - while (offset < m_transfers.size() && m_transfers[offset].m_key_image_known) + while (offset < m_transfers.size() && (m_transfers[offset].m_key_image_known && !m_transfers[offset].m_key_image_request)) ++offset; outs.reserve(m_transfers.size() - offset); @@ -11389,7 +11466,7 @@ size_t wallet2::import_outputs(const std::pair<size_t, std::vector<tools::wallet const size_t original_size = m_transfers.size(); m_transfers.resize(offset + outputs.second.size()); for (size_t i = 0; i < offset; ++i) - m_transfers[i].m_key_image_requested = false; + m_transfers[i].m_key_image_request = false; for (size_t i = 0; i < outputs.second.size(); ++i) { transfer_details td = outputs.second[i]; @@ -11430,7 +11507,7 @@ process: THROW_WALLET_EXCEPTION_IF(!r, error::wallet_internal_error, "Failed to generate key image"); expand_subaddresses(td.m_subaddr_index); td.m_key_image_known = true; - td.m_key_image_requested = true; + td.m_key_image_request = true; td.m_key_image_partial = false; THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != out_key, error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key at index " + boost::lexical_cast<std::string>(i + offset)); @@ -11676,7 +11753,7 @@ void wallet2::update_multisig_rescan_info(const std::vector<std::vector<rct::key m_key_images.erase(td.m_key_image); td.m_key_image = get_multisig_composite_key_image(n); td.m_key_image_known = true; - td.m_key_image_requested = false; + td.m_key_image_request = false; td.m_key_image_partial = false; td.m_multisig_k = multisig_k[n]; m_key_images[td.m_key_image] = n; |