Merge pull request #3549

73951cbd wallet2: request transactions in slices when scanning for known rings (moneromooo-monero)
25fe67e4 rpc: allow getting pruned blocks from gettransactions (moneromooo-monero)

3 files changed, 58 insertions, 29 deletions

diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index 69e527fd8..79792e387 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -209,6 +209,15 @@ namespace cryptonote
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
+  static cryptonote::blobdata get_pruned_tx_blob(cryptonote::transaction &tx)
+  {
+    std::stringstream ss;
+    binary_archive<true> ba(ss);
+    bool r = tx.serialize_base(ba);
+    CHECK_AND_ASSERT_MES(r, cryptonote::blobdata(), "Failed to serialize rct signatures base");
+    return ss.str();
+  }
+  //------------------------------------------------------------------------------------------------------------------------------
   static cryptonote::blobdata get_pruned_tx_blob(const cryptonote::blobdata &blobdata)
   {
     cryptonote::transaction tx;
@@ -216,14 +225,9 @@ namespace cryptonote
     if (!cryptonote::parse_and_validate_tx_from_blob(blobdata, tx))
     {
       MERROR("Failed to parse and validate tx from blob");
-      return blobdata;
+      return cryptonote::blobdata();
     }
-
-    std::stringstream ss;
-    binary_archive<true> ba(ss);
-    bool r = tx.serialize_base(ba);
-    CHECK_AND_ASSERT_MES(r, blobdata, "Failed to serialize rct signatures base");
-    return ss.str();
+    return get_pruned_tx_blob(tx);
   }
   //------------------------------------------------------------------------------------------------------------------------------
   bool core_rpc_server::on_get_blocks(const COMMAND_RPC_GET_BLOCKS_FAST::request& req, COMMAND_RPC_GET_BLOCKS_FAST::response& res)
@@ -633,7 +637,7 @@ namespace cryptonote
 
       crypto::hash tx_hash = *vhi++;
       e.tx_hash = *txhi++;
-      blobdata blob = t_serializable_object_to_blob(tx);
+      blobdata blob = req.prune ? get_pruned_tx_blob(tx) : t_serializable_object_to_blob(tx);
       e.as_hex = string_tools::buff_to_hex_nodelimer(blob);
       if (req.decode_as_json)
         e.as_json = obj_to_json_str(tx);
diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h
index 660fb7889..df5b4893f 100644
--- a/src/rpc/core_rpc_server_commands_defs.h
+++ b/src/rpc/core_rpc_server_commands_defs.h
@@ -563,10 +563,12 @@ namespace cryptonote
     {
       std::list<std::string> txs_hashes;
       bool decode_as_json;
+      bool prune;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(txs_hashes)
         KV_SERIALIZE(decode_as_json)
+        KV_SERIALIZE_OPT(prune, false)
       END_KV_SERIALIZE_MAP()
     };
 
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 8406ca543..c1d04d7c4 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -2035,6 +2035,7 @@ void wallet2::update_pool_state(bool refreshed)
       req.txs_hashes.push_back(epee::string_tools::pod_to_hex(p.first));
     MDEBUG("asking for " << txids.size() << " transactions");
     req.decode_as_json = false;
+    req.prune = false;
     m_daemon_rpc_mutex.lock();
     bool r = epee::net_utils::invoke_http_json("/gettransactions", req, res, m_http_client, rpc_timeout);
     m_daemon_rpc_mutex.unlock();
@@ -5621,39 +5622,49 @@ bool wallet2::find_and_save_rings(bool force)
   MDEBUG("Finding and saving rings...");
 
   // get payments we made
+  std::vector<crypto::hash> txs_hashes;
   std::list<std::pair<crypto::hash,wallet2::confirmed_transfer_details>> payments;
   get_payments_out(payments, 0, std::numeric_limits<uint64_t>::max(), boost::none, std::set<uint32_t>());
   for (const std::pair<crypto::hash,wallet2::confirmed_transfer_details> &entry: payments)
   {
     const crypto::hash &txid = entry.first;
-    req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
+    txs_hashes.push_back(txid);
   }
 
-  MDEBUG("Found " << std::to_string(req.txs_hashes.size()) << " transactions");
-
-  // get those transactions from the daemon
-  req.decode_as_json = false;
-  bool r;
-  {
-    const boost::lock_guard<boost::mutex> lock{m_daemon_rpc_mutex};
-    r = epee::net_utils::invoke_http_json("/gettransactions", req, res, m_http_client, rpc_timeout);
-  }
-  THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "gettransactions");
-  THROW_WALLET_EXCEPTION_IF(res.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "gettransactions");
-  THROW_WALLET_EXCEPTION_IF(res.status != CORE_RPC_STATUS_OK, error::wallet_internal_error, "gettransactions");
-  THROW_WALLET_EXCEPTION_IF(res.txs.size() != req.txs_hashes.size(), error::wallet_internal_error,
-    "daemon returned wrong response for gettransactions, wrong txs count = " +
-    std::to_string(res.txs.size()) + ", expected " + std::to_string(req.txs_hashes.size()));
-
-  MDEBUG("Scanning " << res.txs.size() << " transactions");
+  MDEBUG("Found " << std::to_string(txs_hashes.size()) << " transactions");
 
   crypto::chacha_key key;
   generate_chacha_key_from_secret_keys(key);
 
-  auto it = req.txs_hashes.begin();
-  for (size_t i = 0; i < res.txs.size(); ++i, ++it)
+  // get those transactions from the daemon
+  static const size_t SLICE_SIZE = 200;
+  for (size_t slice = 0; slice < txs_hashes.size(); slice += SLICE_SIZE)
   {
+    req.decode_as_json = false;
+    req.prune = true;
+    req.txs_hashes.clear();
+    size_t ntxes = slice + SLICE_SIZE > txs_hashes.size() ? txs_hashes.size() - slice : SLICE_SIZE;
+    for (size_t s = slice; s < slice + ntxes; ++s)
+      req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txs_hashes[s]));
+    bool r;
+    {
+      const boost::lock_guard<boost::mutex> lock{m_daemon_rpc_mutex};
+      r = epee::net_utils::invoke_http_json("/gettransactions", req, res, m_http_client, rpc_timeout);
+    }
+    THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "gettransactions");
+    THROW_WALLET_EXCEPTION_IF(res.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "gettransactions");
+    THROW_WALLET_EXCEPTION_IF(res.status != CORE_RPC_STATUS_OK, error::wallet_internal_error, "gettransactions");
+    THROW_WALLET_EXCEPTION_IF(res.txs.size() != req.txs_hashes.size(), error::wallet_internal_error,
+      "daemon returned wrong response for gettransactions, wrong txs count = " +
+      std::to_string(res.txs.size()) + ", expected " + std::to_string(req.txs_hashes.size()));
+
+    MDEBUG("Scanning " << res.txs.size() << " transactions");
+    THROW_WALLET_EXCEPTION_IF(slice + res.txs.size() > txs_hashes.size(), error::wallet_internal_error, "Unexpected tx array size");
+    auto it = req.txs_hashes.begin();
+    for (size_t i = 0; i < res.txs.size(); ++i, ++it)
+    {
     const auto &tx_info = res.txs[i];
+    THROW_WALLET_EXCEPTION_IF(tx_info.tx_hash != epee::string_tools::pod_to_hex(txs_hashes[slice + i]), error::wallet_internal_error, "Wrong txid received");
     THROW_WALLET_EXCEPTION_IF(tx_info.tx_hash != *it, error::wallet_internal_error, "Wrong txid received");
     cryptonote::blobdata bd;
     THROW_WALLET_EXCEPTION_IF(!epee::string_tools::parse_hexstr_to_binbuff(tx_info.as_hex, bd), error::wallet_internal_error, "failed to parse tx from hexstr");
@@ -5662,9 +5673,10 @@ bool wallet2::find_and_save_rings(bool force)
     THROW_WALLET_EXCEPTION_IF(!cryptonote::parse_and_validate_tx_from_blob(bd, tx, tx_hash, tx_prefix_hash), error::wallet_internal_error, "failed to parse tx from blob");
     THROW_WALLET_EXCEPTION_IF(epee::string_tools::pod_to_hex(tx_hash) != tx_info.tx_hash, error::wallet_internal_error, "txid mismatch");
     THROW_WALLET_EXCEPTION_IF(!add_rings(key, tx), error::wallet_internal_error, "Failed to save ring");
+    }
   }
 
-  MINFO("Found and saved rings for " << res.txs.size() << " transactions");
+  MINFO("Found and saved rings for " << txs_hashes.size() << " transactions");
   m_ring_history_saved = true;
   return true;
 }
@@ -8230,6 +8242,7 @@ std::string wallet2::get_spend_proof(const crypto::hash &txid, const std::string
   COMMAND_RPC_GET_TRANSACTIONS::request req = AUTO_VAL_INIT(req);
   req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
   req.decode_as_json = false;
+  req.prune = false;
   COMMAND_RPC_GET_TRANSACTIONS::response res = AUTO_VAL_INIT(res);
   bool r;
   {
@@ -8349,6 +8362,7 @@ bool wallet2::check_spend_proof(const crypto::hash &txid, const std::string &mes
   COMMAND_RPC_GET_TRANSACTIONS::request req = AUTO_VAL_INIT(req);
   req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
   req.decode_as_json = false;
+  req.prune = false;
   COMMAND_RPC_GET_TRANSACTIONS::response res = AUTO_VAL_INIT(res);
   bool r;
   {
@@ -8471,6 +8485,8 @@ void wallet2::check_tx_key_helper(const crypto::hash &txid, const crypto::key_de
   COMMAND_RPC_GET_TRANSACTIONS::request req;
   COMMAND_RPC_GET_TRANSACTIONS::response res;
   req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
+  req.decode_as_json = false;
+  req.prune = false;
   m_daemon_rpc_mutex.lock();
   bool ok = epee::net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
   m_daemon_rpc_mutex.unlock();
@@ -8607,6 +8623,8 @@ std::string wallet2::get_tx_proof(const crypto::hash &txid, const cryptonote::ac
     COMMAND_RPC_GET_TRANSACTIONS::request req;
     COMMAND_RPC_GET_TRANSACTIONS::response res;
     req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
+    req.decode_as_json = false;
+    req.prune = false;
     m_daemon_rpc_mutex.lock();
     bool ok = net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
     m_daemon_rpc_mutex.unlock();
@@ -8717,6 +8735,8 @@ bool wallet2::check_tx_proof(const crypto::hash &txid, const cryptonote::account
   COMMAND_RPC_GET_TRANSACTIONS::request req;
   COMMAND_RPC_GET_TRANSACTIONS::response res;
   req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
+  req.decode_as_json = false;
+  req.prune = false;
   m_daemon_rpc_mutex.lock();
   bool ok = net_utils::invoke_http_json("/gettransactions", req, res, m_http_client);
   m_daemon_rpc_mutex.unlock();
@@ -8950,6 +8970,8 @@ bool wallet2::check_reserve_proof(const cryptonote::account_public_address &addr
   COMMAND_RPC_GET_TRANSACTIONS::response gettx_res;
   for (size_t i = 0; i < proofs.size(); ++i)
     gettx_req.txs_hashes.push_back(epee::string_tools::pod_to_hex(proofs[i].txid));
+  gettx_req.decode_as_json = false;
+  gettx_req.prune = false;
   m_daemon_rpc_mutex.lock();
   bool ok = net_utils::invoke_http_json("/gettransactions", gettx_req, gettx_res, m_http_client);
   m_daemon_rpc_mutex.unlock();
@@ -9524,6 +9546,7 @@ uint64_t wallet2::import_key_images(const std::vector<std::pair<crypto::key_imag
     COMMAND_RPC_GET_TRANSACTIONS::request gettxs_req;
     COMMAND_RPC_GET_TRANSACTIONS::response gettxs_res;
     gettxs_req.decode_as_json = false;
+    gettxs_req.prune = false;
     for (const crypto::hash& spent_txid : spent_txids)
       gettxs_req.txs_hashes.push_back(epee::string_tools::pod_to_hex(spent_txid));
     m_daemon_rpc_mutex.lock();