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-rw-r--r--src/wallet/wallet2.cpp441
-rw-r--r--src/wallet/wallet2.h34
2 files changed, 475 insertions, 0 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index bd074e962..4fb5f1272 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -4625,6 +4625,447 @@ static uint32_t get_count_above(const std::vector<wallet2::transfer_details> &tr
return count;
}
+bool wallet2::light_wallet_login(bool &new_address)
+{
+ MDEBUG("Light wallet login request");
+ m_light_wallet_connected = false;
+ cryptonote::COMMAND_RPC_LOGIN::request request;
+ cryptonote::COMMAND_RPC_LOGIN::response response;
+ request.address = get_account().get_public_address_str(m_testnet);
+ request.view_key = string_tools::pod_to_hex(get_account().get_keys().m_view_secret_key);
+ // Always create account if it doesnt exist.
+ request.create_account = true;
+ m_daemon_rpc_mutex.lock();
+ bool connected = epee::net_utils::invoke_http_json("/login", request, response, m_http_client, rpc_timeout, "POST");
+ m_daemon_rpc_mutex.unlock();
+ // MyMonero doesn't send any status message. OpenMonero does.
+ m_light_wallet_connected = connected && (response.status.empty() || response.status == "success");
+ new_address = response.new_address;
+ MDEBUG("Status: " << response.status);
+ MDEBUG("Reason: " << response.reason);
+ MDEBUG("New wallet: " << response.new_address);
+ if(m_light_wallet_connected)
+ {
+ // Clear old data on successfull login.
+ // m_transfers.clear();
+ // m_payments.clear();
+ // m_unconfirmed_payments.clear();
+ }
+ return m_light_wallet_connected;
+}
+
+bool wallet2::light_wallet_import_wallet_request(cryptonote::COMMAND_RPC_IMPORT_WALLET_REQUEST::response &response)
+{
+ MDEBUG("Light wallet import wallet request");
+ cryptonote::COMMAND_RPC_IMPORT_WALLET_REQUEST::request oreq;
+ oreq.address = get_account().get_public_address_str(m_testnet);
+ oreq.view_key = string_tools::pod_to_hex(get_account().get_keys().m_view_secret_key);
+ m_daemon_rpc_mutex.lock();
+ bool r = epee::net_utils::invoke_http_json("/import_wallet_request", oreq, response, m_http_client, rpc_timeout, "POST");
+ m_daemon_rpc_mutex.unlock();
+ THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "import_wallet_request");
+
+
+ return true;
+}
+
+void wallet2::light_wallet_get_unspent_outs()
+{
+ MDEBUG("Getting unspent outs");
+
+ cryptonote::COMMAND_RPC_GET_UNSPENT_OUTS::request oreq;
+ cryptonote::COMMAND_RPC_GET_UNSPENT_OUTS::response ores;
+
+ oreq.amount = "0";
+ oreq.address = get_account().get_public_address_str(m_testnet);
+ oreq.view_key = string_tools::pod_to_hex(get_account().get_keys().m_view_secret_key);
+ // openMonero specific
+ oreq.dust_threshold = boost::lexical_cast<std::string>(::config::DEFAULT_DUST_THRESHOLD);
+ // below are required by openMonero api - but are not used.
+ oreq.mixin = 0;
+ oreq.use_dust = true;
+
+
+ m_daemon_rpc_mutex.lock();
+ bool r = epee::net_utils::invoke_http_json("/get_unspent_outs", oreq, ores, m_http_client, rpc_timeout, "POST");
+ m_daemon_rpc_mutex.unlock();
+ THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "get_unspent_outs");
+ THROW_WALLET_EXCEPTION_IF(ores.status == "error", error::wallet_internal_error, ores.reason);
+
+ m_light_wallet_per_kb_fee = ores.per_kb_fee;
+
+ std::unordered_map<crypto::hash,bool> transfers_txs;
+ for(const auto &t: m_transfers)
+ transfers_txs.emplace(t.m_txid,t.m_spent);
+
+ MDEBUG("FOUND " << ores.outputs.size() <<" outputs");
+
+ // return if no outputs found
+ if(ores.outputs.empty())
+ return;
+
+ // Clear old outputs
+ m_transfers.clear();
+
+ for (const auto &o: ores.outputs) {
+ bool spent = false;
+ bool add_transfer = true;
+ crypto::key_image unspent_key_image;
+ crypto::public_key tx_public_key = AUTO_VAL_INIT(tx_public_key);
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, o.tx_pub_key), error::wallet_internal_error, "Invalid tx_pub_key field");
+ string_tools::hex_to_pod(o.tx_pub_key, tx_public_key);
+
+ for (const std::string &ski: o.spend_key_images) {
+ spent = false;
+
+ // Check if key image is ours
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, ski), error::wallet_internal_error, "Invalid key image");
+ string_tools::hex_to_pod(ski, unspent_key_image);
+ if(light_wallet_key_image_is_ours(unspent_key_image, tx_public_key, o.index)){
+ MTRACE("Output " << o.public_key << " is spent. Key image: " << ski);
+ spent = true;
+ break;
+ } {
+ MTRACE("Unspent output found. " << o.public_key);
+ }
+ }
+
+ // Check if tx already exists in m_transfers.
+ crypto::hash txid;
+ crypto::public_key tx_pub_key;
+ crypto::public_key public_key;
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, o.tx_hash), error::wallet_internal_error, "Invalid tx_hash field");
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, o.public_key), error::wallet_internal_error, "Invalid public_key field");
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, o.tx_pub_key), error::wallet_internal_error, "Invalid tx_pub_key field");
+ string_tools::hex_to_pod(o.tx_hash, txid);
+ string_tools::hex_to_pod(o.public_key, public_key);
+ string_tools::hex_to_pod(o.tx_pub_key, tx_pub_key);
+
+ for(auto &t: m_transfers){
+ if(t.get_public_key() == public_key) {
+ t.m_spent = spent;
+ add_transfer = false;
+ break;
+ }
+ }
+
+ if(!add_transfer)
+ continue;
+
+ m_transfers.push_back(boost::value_initialized<transfer_details>());
+ transfer_details& td = m_transfers.back();
+
+ td.m_block_height = o.height;
+ td.m_global_output_index = o.global_index;
+ td.m_txid = txid;
+
+ // Add to extra
+ 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_amount = o.amount;
+ td.m_pk_index = 0;
+ td.m_internal_output_index = o.index;
+ td.m_spent = spent;
+
+ tx_out txout;
+ txout.target = txout_to_key(public_key);
+ txout.amount = td.m_amount;
+
+ td.m_tx.vout.resize(td.m_internal_output_index + 1);
+ td.m_tx.vout[td.m_internal_output_index] = txout;
+
+ // Add unlock time and coinbase bool got from get_address_txs api call
+ std::unordered_map<crypto::hash,address_tx>::const_iterator found = m_light_wallet_address_txs.find(txid);
+ THROW_WALLET_EXCEPTION_IF(found == m_light_wallet_address_txs.end(), error::wallet_internal_error, "Lightwallet: tx not found in m_light_wallet_address_txs");
+ bool miner_tx = found->second.m_coinbase;
+ td.m_tx.unlock_time = found->second.m_unlock_time;
+
+ if (!o.rct.empty())
+ {
+ // Coinbase tx's
+ if(miner_tx)
+ {
+ td.m_mask = rct::identity();
+ }
+ else
+ {
+ // rct txs
+ // decrypt rct mask, calculate commit hash and compare against blockchain commit hash
+ rct::key rct_commit;
+ light_wallet_parse_rct_str(o.rct, tx_pub_key, td.m_internal_output_index, td.m_mask, rct_commit, true);
+ bool valid_commit = (rct_commit == rct::commit(td.amount(), td.m_mask));
+ if(!valid_commit)
+ {
+ MDEBUG("output index: " << o.global_index);
+ MDEBUG("mask: " + string_tools::pod_to_hex(td.m_mask));
+ MDEBUG("calculated commit: " + string_tools::pod_to_hex(rct::commit(td.amount(), td.m_mask)));
+ MDEBUG("expected commit: " + string_tools::pod_to_hex(rct_commit));
+ MDEBUG("amount: " << td.amount());
+ }
+ THROW_WALLET_EXCEPTION_IF(!valid_commit, error::wallet_internal_error, "Lightwallet: rct commit hash mismatch!");
+ }
+ td.m_rct = true;
+ }
+ else
+ {
+ td.m_mask = rct::identity();
+ td.m_rct = false;
+ }
+ if(!spent)
+ set_unspent(m_transfers.size()-1);
+ m_key_images[td.m_key_image] = m_transfers.size()-1;
+ m_pub_keys[td.get_public_key()] = m_transfers.size()-1;
+ }
+}
+
+bool wallet2::light_wallet_get_address_info(cryptonote::COMMAND_RPC_GET_ADDRESS_INFO::response &response)
+{
+ MTRACE(__FUNCTION__);
+
+ cryptonote::COMMAND_RPC_GET_ADDRESS_INFO::request request;
+
+ request.address = get_account().get_public_address_str(m_testnet);
+ request.view_key = string_tools::pod_to_hex(get_account().get_keys().m_view_secret_key);
+ m_daemon_rpc_mutex.lock();
+ bool r = epee::net_utils::invoke_http_json("/get_address_info", request, response, m_http_client, rpc_timeout, "POST");
+ m_daemon_rpc_mutex.unlock();
+ THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "get_address_info");
+ // TODO: Validate result
+ return true;
+}
+
+void wallet2::light_wallet_get_address_txs()
+{
+ MDEBUG("Refreshing light wallet");
+
+ cryptonote::COMMAND_RPC_GET_ADDRESS_TXS::request ireq;
+ cryptonote::COMMAND_RPC_GET_ADDRESS_TXS::response ires;
+
+ ireq.address = get_account().get_public_address_str(m_testnet);
+ ireq.view_key = string_tools::pod_to_hex(get_account().get_keys().m_view_secret_key);
+ m_daemon_rpc_mutex.lock();
+ bool r = epee::net_utils::invoke_http_json("/get_address_txs", ireq, ires, m_http_client, rpc_timeout, "POST");
+ m_daemon_rpc_mutex.unlock();
+ THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "get_address_txs");
+ //OpenMonero sends status=success, Mymonero doesn't.
+ THROW_WALLET_EXCEPTION_IF((!ires.status.empty() && ires.status != "success"), error::no_connection_to_daemon, "get_address_txs");
+
+
+ // Abort if no transactions
+ if(ires.transactions.empty())
+ return;
+
+ // Create searchable vectors
+ std::vector<crypto::hash> payments_txs;
+ for(const auto &p: m_payments)
+ payments_txs.push_back(p.second.m_tx_hash);
+ std::vector<crypto::hash> unconfirmed_payments_txs;
+ for(const auto &up: m_unconfirmed_payments)
+ unconfirmed_payments_txs.push_back(up.second.m_tx_hash);
+
+ // for balance calculation
+ uint64_t wallet_total_sent = 0;
+ uint64_t wallet_total_unlocked_sent = 0;
+ // txs in pool
+ std::vector<crypto::hash> pool_txs;
+
+ for (const auto &t: ires.transactions) {
+ const uint64_t total_received = t.total_received;
+ uint64_t total_sent = t.total_sent;
+
+ // Check key images - subtract fake outputs from total_sent
+ for(const auto &so: t.spent_outputs)
+ {
+ crypto::public_key tx_public_key;
+ crypto::key_image key_image;
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, so.tx_pub_key), error::wallet_internal_error, "Invalid tx_pub_key field");
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, so.key_image), error::wallet_internal_error, "Invalid key_image field");
+ string_tools::hex_to_pod(so.tx_pub_key, tx_public_key);
+ string_tools::hex_to_pod(so.key_image, key_image);
+
+ if(!light_wallet_key_image_is_ours(key_image, tx_public_key, so.out_index)) {
+ THROW_WALLET_EXCEPTION_IF(so.amount > t.total_sent, error::wallet_internal_error, "Lightwallet: total sent is negative!");
+ total_sent -= so.amount;
+ }
+ }
+
+ // Do not add tx if empty.
+ if(total_sent == 0 && total_received == 0)
+ continue;
+
+ crypto::hash payment_id = null_hash;
+ crypto::hash tx_hash;
+
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, t.payment_id), error::wallet_internal_error, "Invalid payment_id field");
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, t.hash), error::wallet_internal_error, "Invalid hash field");
+ string_tools::hex_to_pod(t.payment_id, payment_id);
+ string_tools::hex_to_pod(t.hash, tx_hash);
+
+ // lightwallet specific info
+ bool incoming = (total_received > total_sent);
+ address_tx address_tx;
+ address_tx.m_tx_hash = tx_hash;
+ address_tx.m_incoming = incoming;
+ address_tx.m_amount = incoming ? total_received - total_sent : total_sent - total_received;
+ address_tx.m_block_height = t.height;
+ address_tx.m_unlock_time = t.unlock_time;
+ address_tx.m_timestamp = t.timestamp;
+ address_tx.m_coinbase = t.coinbase;
+ address_tx.m_mempool = t.mempool;
+ m_light_wallet_address_txs.emplace(tx_hash,address_tx);
+
+ // populate data needed for history (m_payments, m_unconfirmed_payments, m_confirmed_txs)
+ // INCOMING transfers
+ if(total_received > total_sent) {
+ payment_details payment;
+ payment.m_tx_hash = tx_hash;
+ payment.m_amount = total_received - total_sent;
+ payment.m_block_height = t.height;
+ payment.m_unlock_time = t.unlock_time;
+ payment.m_timestamp = t.timestamp;
+
+ if (t.mempool) {
+ if (std::find(unconfirmed_payments_txs.begin(), unconfirmed_payments_txs.end(), tx_hash) == unconfirmed_payments_txs.end()) {
+ pool_txs.push_back(tx_hash);
+ m_unconfirmed_payments.emplace(tx_hash, payment);
+ if (0 != m_callback) {
+ cryptonote::transaction dummy_tx;
+ m_callback->on_unconfirmed_money_received(t.height, payment.m_tx_hash, dummy_tx, payment.m_amount);
+ }
+ }
+ } else {
+ if (std::find(payments_txs.begin(), payments_txs.end(), tx_hash) == payments_txs.end()) {
+ m_payments.emplace(tx_hash, payment);
+ if (0 != m_callback) {
+ cryptonote::transaction dummy_tx;
+ m_callback->on_money_received(t.height, payment.m_tx_hash, dummy_tx, payment.m_amount);
+ }
+ }
+ }
+ // Outgoing transfers
+ } else {
+ uint64_t amount_sent = total_sent - total_received;
+ cryptonote::transaction dummy_tx; // not used by light wallet
+ // increase wallet total sent
+ wallet_total_sent += total_sent;
+ if (t.mempool)
+ {
+ // Handled by add_unconfirmed_tx in commit_tx
+ // If sent from another wallet instance we need to add it
+ if(m_unconfirmed_txs.find(tx_hash) == m_unconfirmed_txs.end())
+ {
+ unconfirmed_transfer_details utd;
+ utd.m_amount_in = amount_sent;
+ utd.m_amount_out = amount_sent;
+ utd.m_change = 0;
+ utd.m_payment_id = payment_id;
+ utd.m_timestamp = t.timestamp;
+ utd.m_state = wallet2::unconfirmed_transfer_details::pending;
+ m_unconfirmed_txs.emplace(tx_hash,utd);
+ }
+ }
+ else
+ {
+ // Only add if new
+ auto confirmed_tx = m_confirmed_txs.find(tx_hash);
+ if(confirmed_tx == m_confirmed_txs.end()) {
+ // tx is added to m_unconfirmed_txs - move to confirmed
+ if(m_unconfirmed_txs.find(tx_hash) != m_unconfirmed_txs.end())
+ {
+ process_unconfirmed(tx_hash, dummy_tx, t.height);
+ }
+ // Tx sent by another wallet instance
+ else
+ {
+ confirmed_transfer_details ctd;
+ ctd.m_amount_in = amount_sent;
+ ctd.m_amount_out = amount_sent;
+ ctd.m_change = 0;
+ ctd.m_payment_id = payment_id;
+ ctd.m_block_height = t.height;
+ ctd.m_timestamp = t.timestamp;
+ m_confirmed_txs.emplace(tx_hash,ctd);
+ }
+ if (0 != m_callback)
+ {
+ m_callback->on_money_spent(t.height, tx_hash, dummy_tx, amount_sent, dummy_tx);
+ }
+ }
+ // If not new - check the amount and update if necessary.
+ // when sending a tx to same wallet the receiving amount has to be credited
+ else
+ {
+ if(confirmed_tx->second.m_amount_in != amount_sent || confirmed_tx->second.m_amount_out != amount_sent)
+ {
+ MDEBUG("Adjusting amount sent/received for tx: <" + t.hash + ">. Is tx sent to own wallet? " << print_money(amount_sent) << " != " << print_money(confirmed_tx->second.m_amount_in));
+ confirmed_tx->second.m_amount_in = amount_sent;
+ confirmed_tx->second.m_amount_out = amount_sent;
+ confirmed_tx->second.m_change = 0;
+ }
+ }
+ }
+ }
+ }
+ // TODO: purge old unconfirmed_txs
+ remove_obsolete_pool_txs(pool_txs);
+
+ // Calculate wallet balance
+ m_light_wallet_balance = ires.total_received-wallet_total_sent;
+ // MyMonero doesnt send unlocked balance
+ if(ires.total_received_unlocked > 0)
+ m_light_wallet_unlocked_balance = ires.total_received_unlocked-wallet_total_sent;
+ else
+ m_light_wallet_unlocked_balance = m_light_wallet_balance;
+}
+
+bool wallet2::light_wallet_parse_rct_str(const std::string& rct_string, const crypto::public_key& tx_pub_key, uint64_t internal_output_index, rct::key& decrypted_mask, rct::key& rct_commit, bool decrypt) const
+{
+ // rct string is empty if output is non RCT
+ if (rct_string.empty())
+ return false;
+ // rct_string is a string with length 64+64+64 (<rct commit> + <encrypted mask> + <rct amount>)
+ rct::key encrypted_mask;
+ std::string rct_commit_str = rct_string.substr(0,64);
+ std::string encrypted_mask_str = rct_string.substr(64,64);
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, rct_commit_str), error::wallet_internal_error, "Invalid rct commit hash: " + rct_commit_str);
+ THROW_WALLET_EXCEPTION_IF(string_tools::validate_hex(64, encrypted_mask_str), error::wallet_internal_error, "Invalid rct mask: " + encrypted_mask_str);
+ string_tools::hex_to_pod(rct_commit_str, rct_commit);
+ string_tools::hex_to_pod(encrypted_mask_str, encrypted_mask);
+ if (decrypt) {
+ // Decrypt the mask
+ crypto::key_derivation derivation;
+ generate_key_derivation(tx_pub_key, get_account().get_keys().m_view_secret_key, derivation);
+ crypto::secret_key scalar;
+ crypto::derivation_to_scalar(derivation, internal_output_index, scalar);
+ sc_sub(decrypted_mask.bytes,encrypted_mask.bytes,rct::hash_to_scalar(rct::sk2rct(scalar)).bytes);
+ }
+ return true;
+}
+
+bool wallet2::light_wallet_key_image_is_ours(const crypto::key_image& key_image, const crypto::public_key& tx_public_key, uint64_t out_index)
+{
+ // Lookup key image from cache
+ std::map<uint64_t, crypto::key_image> index_keyimage_map;
+ std::unordered_map<crypto::public_key, std::map<uint64_t, crypto::key_image> >::const_iterator found_pub_key = m_key_image_cache.find(tx_public_key);
+ if(found_pub_key != m_key_image_cache.end()) {
+ // pub key found. key image for index cached?
+ index_keyimage_map = found_pub_key->second;
+ std::map<uint64_t,crypto::key_image>::const_iterator index_found = index_keyimage_map.find(out_index);
+ if(index_found != index_keyimage_map.end())
+ return key_image == index_found->second;
+ }
+
+ // Not in cache - calculate key image
+ crypto::key_image calculated_key_image;
+ cryptonote::keypair in_ephemeral;
+ cryptonote::generate_key_image_helper(get_account().get_keys(), tx_public_key, out_index, in_ephemeral, calculated_key_image);
+ index_keyimage_map.emplace(out_index, calculated_key_image);
+ m_key_image_cache.emplace(tx_public_key, index_keyimage_map);
+ return key_image == calculated_key_image;
+}
+
// Another implementation of transaction creation that is hopefully better
// While there is anything left to pay, it goes through random outputs and tries
// to fill the next destination/amount. If it fully fills it, it will use the
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index 034dd693b..4fb8407d2 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -230,6 +230,13 @@ namespace tools
cryptonote::subaddress_index m_subaddr_index;
};
+ struct address_tx : payment_details
+ {
+ bool m_coinbase;
+ bool m_mempool;
+ bool m_incoming;
+ };
+
struct unconfirmed_transfer_details
{
cryptonote::transaction_prefix m_tx;
@@ -423,6 +430,15 @@ namespace tools
*/
bool is_deterministic() const;
bool get_seed(std::string& electrum_words, const std::string &passphrase = std::string()) const;
+
+ /*!
+ * \brief Checks if light wallet. A light wallet sends view key to a server where the blockchain is scanned.
+ */
+ bool light_wallet() const { return m_light_wallet; }
+ void set_light_wallet(bool light_wallet) { m_light_wallet = light_wallet; }
+ uint64_t get_light_wallet_scanned_block_height() const { return m_light_wallet_scanned_block_height; }
+ uint64_t get_light_wallet_blockchain_height() const { return m_light_wallet_blockchain_height; }
+
/*!
* \brief Gets the seed language
*/
@@ -715,6 +731,24 @@ namespace tools
uint64_t get_fee_multiplier(uint32_t priority, int fee_algorithm = -1);
uint64_t get_per_kb_fee();
+ // Light wallet specific functions
+ // fetch unspent outs from lw node and store in m_transfers
+ void light_wallet_get_unspent_outs();
+ // fetch txs and store in m_payments
+ void light_wallet_get_address_txs();
+ // get_address_info
+ bool light_wallet_get_address_info(cryptonote::COMMAND_RPC_GET_ADDRESS_INFO::response &response);
+ // Login. new_address is true if address hasn't been used on lw node before.
+ bool light_wallet_login(bool &new_address);
+ // Send an import request to lw node. returns info about import fee, address and payment_id
+ bool light_wallet_import_wallet_request(cryptonote::COMMAND_RPC_IMPORT_WALLET_REQUEST::response &response);
+ // get random outputs from light wallet server
+ void light_wallet_get_outs(std::vector<std::vector<get_outs_entry>> &outs, const std::list<size_t> &selected_transfers, size_t fake_outputs_count);
+ // Parse rct string
+ bool light_wallet_parse_rct_str(const std::string& rct_string, const crypto::public_key& tx_pub_key, uint64_t internal_output_index, rct::key& decrypted_mask, rct::key& rct_commit, bool decrypt) const;
+ // check if key image is ours
+ bool light_wallet_key_image_is_ours(const crypto::key_image& key_image, const crypto::public_key& tx_public_key, uint64_t out_index);
+
private:
/*!
* \brief Stores wallet information to wallet file.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 02:45:26 +0000