Merge pull request #71 from wowario/upstream

Upstream

contrib/epee/src/memwipe.c

@@ -50,7 +50,7 @@
 
 void *memwipe(void *ptr, size_t n)
 {
-  if (memset_s(ptr, n, 0, n))
+  if (n > 0 && memset_s(ptr, n, 0, n))
   {
 #ifdef NDEBUG
     fprintf(stderr, "Error: memset_s failed\n");
@@ -67,7 +67,8 @@ void *memwipe(void *ptr, size_t n)
 
 void *memwipe(void *ptr, size_t n)
 {
-  explicit_bzero(ptr, n);
+  if (n > 0)
+    explicit_bzero(ptr, n);
   SCARECROW
   return ptr;
 }
@@ -105,7 +106,8 @@ static void memory_cleanse(void *ptr, size_t len)
 
 void *memwipe(void *ptr, size_t n)
 {
-  memory_cleanse(ptr, n);
+  if (n > 0)
+    memory_cleanse(ptr, n);
   SCARECROW
   return ptr;
 }

src/blockchain_db/blockchain_db.h

@@ -1506,6 +1506,13 @@ public:
    */
   virtual bool is_read_only() const = 0;
 
+  /**
+   * @brief get disk space requirements
+   *
+   * @return the size required
+   */
+  virtual uint64_t get_database_size() const = 0;
+
   // TODO: this should perhaps be (or call) a series of functions which
   // progressively update through version updates
   /**

src/blockchain_db/lmdb/db_lmdb.cpp

@@ -35,6 +35,7 @@
 #include <random>
 
 #include "string_tools.h"
+#include "file_io_utils.h"
 #include "common/util.h"
 #include "cryptonote_basic/cryptonote_format_utils.h"
 #include "crypto/crypto.h"
@@ -1336,6 +1337,9 @@ void BlockchainLMDB::sync()
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);
   check_open();
 
+  if (is_read_only())
+    return;
+
   // Does nothing unless LMDB environment was opened with MDB_NOSYNC or in part
   // MDB_NOMETASYNC. Force flush to be synchronous.
   if (auto result = mdb_env_sync(m_env, true))
@@ -3293,6 +3297,16 @@ bool BlockchainLMDB::is_read_only() const
   return false;
 }
 
+uint64_t BlockchainLMDB::get_database_size() const
+{
+  uint64_t size = 0;
+  boost::filesystem::path datafile(m_folder);
+  datafile /= CRYPTONOTE_BLOCKCHAINDATA_FILENAME;
+  if (!epee::file_io_utils::get_file_size(datafile.string(), size))
+    size = 0;
+  return size;
+}
+
 void BlockchainLMDB::fixup()
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);

src/blockchain_db/lmdb/db_lmdb.h

@@ -157,7 +157,7 @@ struct mdb_txn_safe
 class BlockchainLMDB : public BlockchainDB
 {
 public:
-  BlockchainLMDB(bool batch_transactions=false);
+  BlockchainLMDB(bool batch_transactions=true);
   ~BlockchainLMDB();
 
   virtual void open(const std::string& filename, const int mdb_flags=0);
@@ -364,6 +364,8 @@ private:
 
   virtual bool is_read_only() const;
 
+  virtual uint64_t get_database_size() const;
+
   // fix up anything that may be wrong due to past bugs
   virtual void fixup();
 

src/common/CMakeLists.txt

@@ -78,7 +78,6 @@ monero_add_library(common
   DEPENDS generate_translations_header)
 target_link_libraries(common
   PUBLIC
-    epee
     cncrypto
     ${UNBOUND_LIBRARY}
     ${LIBUNWIND_LIBRARIES}

src/cryptonote_basic/miner.cpp

@@ -485,7 +485,7 @@ namespace cryptonote
       {
         //we lucky!
         ++m_config.current_extra_message_index;
-        MGINFO_GREEN("Found block for difficulty: " << local_diff);
+        MGINFO_GREEN("Found block " << get_block_hash(b) << " at height " << height << " for difficulty: " << local_diff);
         if(!m_phandler->handle_block_found(b))
         {
           --m_config.current_extra_message_index;

src/cryptonote_core/blockchain.cpp

@@ -3298,6 +3298,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
   if(bl.prev_id != get_tail_id())
   {
     MERROR_VER("Block with id: " << id << std::endl << "has wrong prev_id: " << bl.prev_id << std::endl << "expected: " << get_tail_id());
+    bvc.m_verifivation_failed = true;
 leave:
     m_db->block_txn_stop();
     return false;
@@ -3598,6 +3599,7 @@ leave:
     {
       //TODO: figure out the best way to deal with this failure
       LOG_ERROR("Error adding block with hash: " << id << " to blockchain, what = " << e.what());
+      bvc.m_verifivation_failed = true;
       return_tx_to_pool(txs);
       return false;
     }
@@ -3627,6 +3629,7 @@ leave:
 
   // appears to be a NOP *and* is called elsewhere.  wat?
   m_tx_pool.on_blockchain_inc(new_height, id);
+  get_difficulty_for_next_block(); // just to cache it
 
   return true;
 }
@@ -4396,9 +4399,9 @@ std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> Blockchain:: get_ou
   return m_db->get_output_histogram(amounts, unlocked, recent_cutoff, min_count);
 }
 
-std::list<std::pair<Blockchain::block_extended_info,uint64_t>> Blockchain::get_alternative_chains() const
+std::list<std::pair<Blockchain::block_extended_info,std::vector<crypto::hash>>> Blockchain::get_alternative_chains() const
 {
-  std::list<std::pair<Blockchain::block_extended_info,uint64_t>> chains;
+  std::list<std::pair<Blockchain::block_extended_info,std::vector<crypto::hash>>> chains;
 
   for (const auto &i: m_alternative_chains)
   {
@@ -4414,15 +4417,16 @@ std::list<std::pair<Blockchain::block_extended_info,uint64_t>> Blockchain::get_a
     }
     if (!found)
     {
-      uint64_t length = 1;
+      std::vector<crypto::hash> chain;
       auto h = i.second.bl.prev_id;
+      chain.push_back(top);
       blocks_ext_by_hash::const_iterator prev;
       while ((prev = m_alternative_chains.find(h)) != m_alternative_chains.end())
       {
+        chain.push_back(h);
         h = prev->second.bl.prev_id;
-        ++length;
       }
-      chains.push_back(std::make_pair(i.second, length));
+      chains.push_back(std::make_pair(i.second, chain));
     }
   }
   return chains;

src/cryptonote_core/blockchain.h

@@ -929,7 +929,7 @@ namespace cryptonote
      *
      * @return a list of chains
      */
-    std::list<std::pair<block_extended_info,uint64_t>> get_alternative_chains() const;
+    std::list<std::pair<block_extended_info,std::vector<crypto::hash>>> get_alternative_chains() const;
 
     void add_txpool_tx(transaction &tx, const txpool_tx_meta_t &meta);
     void update_txpool_tx(const crypto::hash &txid, const txpool_tx_meta_t &meta);

src/daemon/CMakeLists.txt

@@ -92,7 +92,6 @@ target_link_libraries(daemon
     daemonizer
     serialization
     daemon_rpc_server
-    epee
     ${EPEE_READLINE}
     version
     ${Boost_CHRONO_LIBRARY}

src/daemon/command_parser_executor.cpp

@@ -599,13 +599,13 @@ bool t_command_parser_executor::print_coinbase_tx_sum(const std::vector<std::str
 
 bool t_command_parser_executor::alt_chain_info(const std::vector<std::string>& args)
 {
-  if(args.size())
+  if(args.size() > 1)
   {
-    std::cout << "No parameters allowed" << std::endl;
+    std::cout << "usage: alt_chain_info [block_hash]" << std::endl;
     return false;
   }
 
-  return m_executor.alt_chain_info();
+  return m_executor.alt_chain_info(args.size() == 1 ? args[0] : "");
 }
 
 bool t_command_parser_executor::print_blockchain_dynamic_stats(const std::vector<std::string>& args)

src/daemon/command_server.cpp

@@ -255,6 +255,7 @@ t_command_server::t_command_server(
     m_command_lookup.set_handler(
       "alt_chain_info"
     , std::bind(&t_command_parser_executor::alt_chain_info, &m_parser, p::_1)
+    , "alt_chain_info [blockhash]"
     , "Print the information about alternative chains."
     );
     m_command_lookup.set_handler(

src/daemon/rpc_command_executor.cpp

@@ -1625,7 +1625,7 @@ bool t_rpc_command_executor::print_coinbase_tx_sum(uint64_t height, uint64_t cou
   return true;
 }
 
-bool t_rpc_command_executor::alt_chain_info()
+bool t_rpc_command_executor::alt_chain_info(const std::string &tip)
 {
   cryptonote::COMMAND_RPC_GET_INFO::request ireq;
   cryptonote::COMMAND_RPC_GET_INFO::response ires;
@@ -1660,12 +1660,32 @@ bool t_rpc_command_executor::alt_chain_info()
     }
   }
 
-  tools::msg_writer() << boost::lexical_cast<std::string>(res.chains.size()) << " alternate chains found:";
-  for (const auto &chain: res.chains)
+  if (tip.empty())
   {
-    uint64_t start_height = (chain.height - chain.length + 1);
-    tools::msg_writer() << chain.length << " blocks long, from height " << start_height << " (" << (ires.height - start_height - 1)
-        << " deep), diff " << chain.difficulty << ": " << chain.block_hash;
+    tools::msg_writer() << boost::lexical_cast<std::string>(res.chains.size()) << " alternate chains found:";
+    for (const auto &chain: res.chains)
+    {
+      uint64_t start_height = (chain.height - chain.length + 1);
+      tools::msg_writer() << chain.length << " blocks long, from height " << start_height << " (" << (ires.height - start_height - 1)
+          << " deep), diff " << chain.difficulty << ": " << chain.block_hash;
+    }
+  }
+  else
+  {
+    const auto i = std::find_if(res.chains.begin(), res.chains.end(), [&tip](cryptonote::COMMAND_RPC_GET_ALTERNATE_CHAINS::chain_info &info){ return info.block_hash == tip; });
+    if (i != res.chains.end())
+    {
+      const auto &chain = *i;
+      tools::success_msg_writer() << "Found alternate chain with tip " << tip;
+      uint64_t start_height = (chain.height - chain.length + 1);
+      tools::msg_writer() << chain.length << " blocks long, from height " << start_height << " (" << (ires.height - start_height - 1)
+          << " deep), diff " << chain.difficulty << ":";
+      for (const std::string &block_id: chain.block_hashes)
+        tools::msg_writer() << "  " << block_id;
+      tools::msg_writer() << "Chain parent on main chain: " << chain.main_chain_parent_block;
+    }
+    else
+      tools::fail_msg_writer() << "Block hash " << tip << " is not the tip of any known alternate chain";
   }
   return true;
 }

src/daemon/rpc_command_executor.h

@@ -143,7 +143,7 @@ public:
 
   bool print_coinbase_tx_sum(uint64_t height, uint64_t count);
 
-  bool alt_chain_info();
+  bool alt_chain_info(const std::string &tip);
 
   bool print_blockchain_dynamic_stats(uint64_t nblocks);
 

src/p2p/CMakeLists.txt

@@ -38,7 +38,6 @@ source_group(p2p FILES ${P2P})
 monero_add_library(p2p ${P2P})
 target_link_libraries(p2p
   PUBLIC
-    epee
     version
     cryptonote_core
     ${UPNP_LIBRARIES}

src/rpc/CMakeLists.txt

@@ -111,7 +111,6 @@ target_link_libraries(rpc
     common
     cryptonote_core
     cryptonote_protocol
-    epee
     ${Boost_REGEX_LIBRARY}
     ${Boost_THREAD_LIBRARY}
   PRIVATE

src/rpc/core_rpc_server.cpp

@@ -207,6 +207,7 @@ namespace cryptonote
       boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
       res.was_bootstrap_ever_used = m_was_bootstrap_ever_used;
     }
+    res.database_size = m_core.get_blockchain_storage().get_db().get_database_size();
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
@@ -1591,6 +1592,7 @@ namespace cryptonote
       boost::shared_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
       res.was_bootstrap_ever_used = m_was_bootstrap_ever_used;
     }
+    res.database_size = m_core.get_blockchain_storage().get_db().get_database_size();
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
@@ -1788,10 +1790,22 @@ namespace cryptonote
     PERF_TIMER(on_get_alternate_chains);
     try
     {
-      std::list<std::pair<Blockchain::block_extended_info, uint64_t>> chains = m_core.get_blockchain_storage().get_alternative_chains();
+      std::list<std::pair<Blockchain::block_extended_info, std::vector<crypto::hash>>> chains = m_core.get_blockchain_storage().get_alternative_chains();
       for (const auto &i: chains)
       {
-        res.chains.push_back(COMMAND_RPC_GET_ALTERNATE_CHAINS::chain_info{epee::string_tools::pod_to_hex(get_block_hash(i.first.bl)), i.first.height, i.second, i.first.cumulative_difficulty});
+        res.chains.push_back(COMMAND_RPC_GET_ALTERNATE_CHAINS::chain_info{epee::string_tools::pod_to_hex(get_block_hash(i.first.bl)), i.first.height, i.second.size(), i.first.cumulative_difficulty, {}, std::string()});
+        res.chains.back().block_hashes.reserve(i.second.size());
+        for (const crypto::hash &block_id: i.second)
+          res.chains.back().block_hashes.push_back(epee::string_tools::pod_to_hex(block_id));
+        if (i.first.height < i.second.size())
+        {
+          res.status = "Error finding alternate chain attachment point";
+          return true;
+        }
+        cryptonote::block main_chain_parent_block;
+        try { main_chain_parent_block = m_core.get_blockchain_storage().get_db().get_block_from_height(i.first.height - i.second.size()); }
+        catch (const std::exception &e) { res.status = "Error finding alternate chain attachment point"; return true; }
+        res.chains.back().main_chain_parent_block = epee::string_tools::pod_to_hex(get_block_hash(main_chain_parent_block));
       }
       res.status = CORE_RPC_STATUS_OK;
     }

src/rpc/core_rpc_server_commands_defs.h

@@ -964,6 +964,7 @@ namespace cryptonote
       std::string bootstrap_daemon_address;
       uint64_t height_without_bootstrap;
       bool was_bootstrap_ever_used;
+      uint64_t database_size;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(status)
@@ -993,6 +994,7 @@ namespace cryptonote
         KV_SERIALIZE(bootstrap_daemon_address)
         KV_SERIALIZE(height_without_bootstrap)
         KV_SERIALIZE(was_bootstrap_ever_used)
+        KV_SERIALIZE(database_size)
       END_KV_SERIALIZE_MAP()
     };
   };
@@ -2075,12 +2077,16 @@ namespace cryptonote
       uint64_t height;
       uint64_t length;
       uint64_t difficulty;
+      std::vector<std::string> block_hashes;
+      std::string main_chain_parent_block;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(block_hash)
         KV_SERIALIZE(height)
         KV_SERIALIZE(length)
         KV_SERIALIZE(difficulty)
+        KV_SERIALIZE(block_hashes)
+        KV_SERIALIZE(main_chain_parent_block)
       END_KV_SERIALIZE_MAP()
     };
 

src/simplewallet/CMakeLists.txt

@@ -48,7 +48,6 @@ target_link_libraries(simplewallet
     cncrypto
     common
     mnemonics
-    epee
     ${EPEE_READLINE}
     version
     ${Boost_CHRONO_LIBRARY}

src/simplewallet/simplewallet.cpp

@@ -4108,12 +4108,7 @@ uint64_t simple_wallet::get_daemon_blockchain_height(std::string& err)
   {
     throw std::runtime_error("simple_wallet null wallet");
   }
-
-  COMMAND_RPC_GET_HEIGHT::request req;
-  COMMAND_RPC_GET_HEIGHT::response res = boost::value_initialized<COMMAND_RPC_GET_HEIGHT::response>();
-  bool r = m_wallet->invoke_http_json("/getheight", req, res);
-  err = interpret_rpc_response(r, res.status);
-  return res.height;
+  return m_wallet->get_daemon_blockchain_height(err);
 }
 //----------------------------------------------------------------------------------------------------
 bool simple_wallet::show_blockchain_height(const std::vector<std::string>& args)

src/wallet/CMakeLists.txt

@@ -85,7 +85,6 @@ monero_add_executable(wallet_rpc_server
 target_link_libraries(wallet_rpc_server
   PRIVATE
     wallet
-    epee
     rpc_base
     cryptonote_core
     cncrypto

src/wallet/api/wallet.cpp

@@ -1740,7 +1740,7 @@ void WalletImpl::refreshThreadFunc()
         // if auto refresh enabled, we wait for the "m_refreshIntervalSeconds" interval.
         // if not - we wait forever
         if (m_refreshIntervalMillis > 0) {
-            boost::posix_time::milliseconds wait_for_ms(m_refreshIntervalMillis);
+            boost::posix_time::milliseconds wait_for_ms(m_refreshIntervalMillis.load());
             m_refreshCV.timed_wait(lock, wait_for_ms);
         } else {
             m_refreshCV.wait(lock);

src/wallet/node_rpc_proxy.cpp

@@ -41,21 +41,13 @@ static const std::chrono::seconds rpc_timeout = std::chrono::minutes(3) + std::c
 NodeRPCProxy::NodeRPCProxy(epee::net_utils::http::http_simple_client &http_client, boost::mutex &mutex)
   : m_http_client(http_client)
   , m_daemon_rpc_mutex(mutex)
-  , m_height(0)
-  , m_height_time(0)
-  , m_earliest_height()
-  , m_dynamic_per_kb_fee_estimate(0)
-  , m_dynamic_per_kb_fee_estimate_cached_height(0)
-  , m_dynamic_per_kb_fee_estimate_grace_blocks(0)
-  , m_rpc_version(0)
-  , m_target_height(0)
-  , m_target_height_time(0)
-{}
+{
+  invalidate();
+}
 
 void NodeRPCProxy::invalidate()
 {
   m_height = 0;
-  m_height_time = 0;
   for (size_t n = 0; n < 256; ++n)
     m_earliest_height[n] = 0;
   m_dynamic_per_kb_fee_estimate = 0;
@@ -63,7 +55,8 @@ void NodeRPCProxy::invalidate()
   m_dynamic_per_kb_fee_estimate_grace_blocks = 0;
   m_rpc_version = 0;
   m_target_height = 0;
-  m_target_height_time = 0;
+  m_block_size_limit = 0;
+  m_get_info_time = 0;
 }
 
 boost::optional<std::string> NodeRPCProxy::get_rpc_version(uint32_t &rpc_version) const
@@ -84,36 +77,15 @@ boost::optional<std::string> NodeRPCProxy::get_rpc_version(uint32_t &rpc_version
   return boost::optional<std::string>();
 }
 
-boost::optional<std::string> NodeRPCProxy::get_height(uint64_t &height) const
-{
-  const time_t now = time(NULL);
-  if (m_height == 0 || now >= m_height_time + 30) // re-cache every 30 seconds
-  {
-    cryptonote::COMMAND_RPC_GET_HEIGHT::request req = AUTO_VAL_INIT(req);
-    cryptonote::COMMAND_RPC_GET_HEIGHT::response res = AUTO_VAL_INIT(res);
-
-    m_daemon_rpc_mutex.lock();
-    bool r = net_utils::invoke_http_json("/getheight", req, res, m_http_client, rpc_timeout);
-    m_daemon_rpc_mutex.unlock();
-    CHECK_AND_ASSERT_MES(r, std::string(), "Failed to connect to daemon");
-    CHECK_AND_ASSERT_MES(res.status != CORE_RPC_STATUS_BUSY, res.status, "Failed to connect to daemon");
-    CHECK_AND_ASSERT_MES(res.status == CORE_RPC_STATUS_OK, res.status, "Failed to get current blockchain height");
-    m_height = res.height;
-    m_height_time = now;
-  }
-  height = m_height;
-  return boost::optional<std::string>();
-}
-
 void NodeRPCProxy::set_height(uint64_t h)
 {
   m_height = h;
 }
 
-boost::optional<std::string> NodeRPCProxy::get_target_height(uint64_t &height) const
+boost::optional<std::string> NodeRPCProxy::get_info() const
 {
   const time_t now = time(NULL);
-  if (m_target_height == 0 || now >= m_target_height_time + 30) // re-cache every 30 seconds
+  if (now >= m_get_info_time + 30) // re-cache every 30 seconds
   {
     cryptonote::COMMAND_RPC_GET_INFO::request req_t = AUTO_VAL_INIT(req_t);
     cryptonote::COMMAND_RPC_GET_INFO::response resp_t = AUTO_VAL_INIT(resp_t);
@@ -125,13 +97,41 @@ boost::optional<std::string> NodeRPCProxy::get_target_height(uint64_t &height) c
     CHECK_AND_ASSERT_MES(r, std::string(), "Failed to connect to daemon");
     CHECK_AND_ASSERT_MES(resp_t.status != CORE_RPC_STATUS_BUSY, resp_t.status, "Failed to connect to daemon");
     CHECK_AND_ASSERT_MES(resp_t.status == CORE_RPC_STATUS_OK, resp_t.status, "Failed to get target blockchain height");
+    m_height = resp_t.height;
     m_target_height = resp_t.target_height;
-    m_target_height_time = now;
+    m_block_size_limit = resp_t.block_size_limit;
+    m_get_info_time = now;
   }
+  return boost::optional<std::string>();
+}
+
+boost::optional<std::string> NodeRPCProxy::get_height(uint64_t &height) const
+{
+  auto res = get_info();
+  if (res)
+    return res;
+  height = m_height;
+  return boost::optional<std::string>();
+}
+
+boost::optional<std::string> NodeRPCProxy::get_target_height(uint64_t &height) const
+{
+  auto res = get_info();
+  if (res)
+    return res;
   height = m_target_height;
   return boost::optional<std::string>();
 }
 
+boost::optional<std::string> NodeRPCProxy::get_block_size_limit(uint64_t &block_size_limit) const
+{
+  auto res = get_info();
+  if (res)
+    return res;
+  block_size_limit = m_block_size_limit;
+  return boost::optional<std::string>();
+}
+
 boost::optional<std::string> NodeRPCProxy::get_earliest_height(uint8_t version, uint64_t &earliest_height) const
 {
   if (m_earliest_height[version] == 0)

src/wallet/node_rpc_proxy.h

@@ -47,22 +47,25 @@ public:
   boost::optional<std::string> get_height(uint64_t &height) const;
   void set_height(uint64_t h);
   boost::optional<std::string> get_target_height(uint64_t &height) const;
+  boost::optional<std::string> get_block_size_limit(uint64_t &block_size_limit) const;
   boost::optional<std::string> get_earliest_height(uint8_t version, uint64_t &earliest_height) const;
   boost::optional<std::string> get_dynamic_per_kb_fee_estimate(uint64_t grace_blocks, uint64_t &fee) const;
 
 private:
+  boost::optional<std::string> get_info() const;
+
   epee::net_utils::http::http_simple_client &m_http_client;
   boost::mutex &m_daemon_rpc_mutex;
 
   mutable uint64_t m_height;
-  mutable time_t m_height_time;
   mutable uint64_t m_earliest_height[256];
   mutable uint64_t m_dynamic_per_kb_fee_estimate;
   mutable uint64_t m_dynamic_per_kb_fee_estimate_cached_height;
   mutable uint64_t m_dynamic_per_kb_fee_estimate_grace_blocks;
   mutable uint32_t m_rpc_version;
   mutable uint64_t m_target_height;
-  mutable time_t m_target_height_time;
+  mutable uint64_t m_block_size_limit;
+  mutable time_t m_get_info_time;
 };
 
 }

src/wallet/wallet2.cpp

@@ -1028,6 +1028,16 @@ void wallet2::check_acc_out_precomp(const tx_out &o, const crypto::key_derivatio
   tx_scan_info.error = false;
 }
 //----------------------------------------------------------------------------------------------------
+void wallet2::check_acc_out_precomp_once(const tx_out &o, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, size_t i, tx_scan_info_t &tx_scan_info, bool &already_seen) const
+{
+  tx_scan_info.received = boost::none;
+  if (already_seen)
+    return;
+  check_acc_out_precomp(o, derivation, additional_derivations, i, tx_scan_info);
+  if (tx_scan_info.received)
+    already_seen = true;
+}
+//----------------------------------------------------------------------------------------------------
 static uint64_t decodeRct(const rct::rctSig & rv, const crypto::key_derivation &derivation, unsigned int i, rct::key & mask, hw::device &hwdev)
 {
   crypto::secret_key scalar1;
@@ -1108,7 +1118,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
   // Don't try to extract tx public key if tx has no ouputs
   size_t pk_index = 0;
   std::vector<tx_scan_info_t> tx_scan_info(tx.vout.size());
-  std::unordered_set<crypto::public_key> public_keys_seen;
+  std::deque<bool> output_found(tx.vout.size(), false);
   while (!tx.vout.empty())
   {
     // if tx.vout is not empty, we loop through all tx pubkeys
@@ -1124,13 +1134,6 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
       break;
     }
 
-    if (public_keys_seen.find(pub_key_field.pub_key) != public_keys_seen.end())
-    {
-      MWARNING("The same transaction pubkey is present more than once, ignoring extra instance");
-      continue;
-    }
-    public_keys_seen.insert(pub_key_field.pub_key);
-
     int num_vouts_received = 0;
     tx_pub_key = pub_key_field.pub_key;
     tools::threadpool& tpool = tools::threadpool::getInstance();
@@ -1170,7 +1173,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
     }
     else if (miner_tx && m_refresh_type == RefreshOptimizeCoinbase)
     {
-      check_acc_out_precomp(tx.vout[0], derivation, additional_derivations, 0, tx_scan_info[0]);
+      check_acc_out_precomp_once(tx.vout[0], derivation, additional_derivations, 0, tx_scan_info[0], output_found[0]);
       THROW_WALLET_EXCEPTION_IF(tx_scan_info[0].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
 
       // this assumes that the miner tx pays a single address
@@ -1180,8 +1183,8 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
         // the first one was already checked
         for (size_t i = 1; i < tx.vout.size(); ++i)
         {
-          tpool.submit(&waiter, boost::bind(&wallet2::check_acc_out_precomp, this, std::cref(tx.vout[i]), std::cref(derivation), std::cref(additional_derivations), i,
-            std::ref(tx_scan_info[i])));
+          tpool.submit(&waiter, boost::bind(&wallet2::check_acc_out_precomp_once, this, std::cref(tx.vout[i]), std::cref(derivation), std::cref(additional_derivations), i,
+            std::ref(tx_scan_info[i]), std::ref(output_found[i])));
         }
         waiter.wait();
         // then scan all outputs from 0
@@ -1203,8 +1206,8 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
     {
       for (size_t i = 0; i < tx.vout.size(); ++i)
       {
-        tpool.submit(&waiter, boost::bind(&wallet2::check_acc_out_precomp, this, std::cref(tx.vout[i]), std::cref(derivation), std::cref(additional_derivations), i,
-            std::ref(tx_scan_info[i])));
+        tpool.submit(&waiter, boost::bind(&wallet2::check_acc_out_precomp_once, this, std::cref(tx.vout[i]), std::cref(derivation), std::cref(additional_derivations), i,
+            std::ref(tx_scan_info[i]), std::ref(output_found[i])));
       }
       waiter.wait();
 
@@ -1225,7 +1228,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
     {
       for (size_t i = 0; i < tx.vout.size(); ++i)
       {
-        check_acc_out_precomp(tx.vout[i], derivation, additional_derivations, i, tx_scan_info[i]);
+        check_acc_out_precomp_once(tx.vout[i], derivation, additional_derivations, i, tx_scan_info[i], output_found[i]);
         THROW_WALLET_EXCEPTION_IF(tx_scan_info[i].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
         if (tx_scan_info[i].received)
         {
@@ -5353,15 +5356,10 @@ uint32_t wallet2::adjust_priority(uint32_t priority)
       }
 
       // get the current full reward zone
-      cryptonote::COMMAND_RPC_GET_INFO::request getinfo_req = AUTO_VAL_INIT(getinfo_req);
-      cryptonote::COMMAND_RPC_GET_INFO::response getinfo_res = AUTO_VAL_INIT(getinfo_res);
-      m_daemon_rpc_mutex.lock();
-      bool r = net_utils::invoke_http_json_rpc("/json_rpc", "get_info", getinfo_req, getinfo_res, m_http_client);
-      m_daemon_rpc_mutex.unlock();
-      THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "get_info");
-      THROW_WALLET_EXCEPTION_IF(getinfo_res.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "get_info");
-      THROW_WALLET_EXCEPTION_IF(getinfo_res.status != CORE_RPC_STATUS_OK, error::get_tx_pool_error);
-      const uint64_t full_reward_zone = getinfo_res.block_size_limit / 2;
+      uint64_t block_size_limit = 0;
+      const auto result = m_node_rpc_proxy.get_block_size_limit(block_size_limit);
+      throw_on_rpc_response_error(result, "get_info");
+      const uint64_t full_reward_zone = block_size_limit / 2;
 
       // get the last N block headers and sum the block sizes
       const size_t N = 10;
@@ -5375,7 +5373,7 @@ uint32_t wallet2::adjust_priority(uint32_t priority)
       m_daemon_rpc_mutex.lock();
       getbh_req.start_height = m_blockchain.size() - N;
       getbh_req.end_height = m_blockchain.size() - 1;
-      r = net_utils::invoke_http_json_rpc("/json_rpc", "getblockheadersrange", getbh_req, getbh_res, m_http_client, rpc_timeout);
+      bool r = net_utils::invoke_http_json_rpc("/json_rpc", "getblockheadersrange", getbh_req, getbh_res, m_http_client, rpc_timeout);
       m_daemon_rpc_mutex.unlock();
       THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "getblockheadersrange");
       THROW_WALLET_EXCEPTION_IF(getbh_res.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "getblockheadersrange");
@@ -9129,31 +9127,15 @@ uint64_t wallet2::get_daemon_blockchain_height(string &err) const
 
 uint64_t wallet2::get_daemon_blockchain_target_height(string &err)
 {
-  cryptonote::COMMAND_RPC_GET_INFO::request req_t = AUTO_VAL_INIT(req_t);
-  cryptonote::COMMAND_RPC_GET_INFO::response resp_t = AUTO_VAL_INIT(resp_t);
-  m_daemon_rpc_mutex.lock();
-  bool ok = net_utils::invoke_http_json_rpc("/json_rpc", "get_info", req_t, resp_t, m_http_client);
-  m_daemon_rpc_mutex.unlock();
-  if (ok)
-  {
-    if (resp_t.status == CORE_RPC_STATUS_BUSY)
-    {
-      err = "daemon is busy. Please try again later.";
-    }
-    else if (resp_t.status != CORE_RPC_STATUS_OK)
-    {
-      err = resp_t.status;
-    }
-    else // success, cleaning up error message
-    {
-      err = "";
-    }
-  }
-  else
+  err = "";
+  uint64_t target_height = 0;
+  const auto result = m_node_rpc_proxy.get_target_height(target_height);
+  if (result && *result != CORE_RPC_STATUS_OK)
   {
-    err = "possibly lost connection to daemon";
+    err= *result;
+    return 0;
   }
-  return resp_t.target_height;
+  return target_height;
 }
 
 uint64_t wallet2::get_approximate_blockchain_height() const
@@ -10395,15 +10377,10 @@ std::vector<std::pair<uint64_t, uint64_t>> wallet2::estimate_backlog(const std::
   THROW_WALLET_EXCEPTION_IF(res.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "get_txpool_backlog");
   THROW_WALLET_EXCEPTION_IF(res.status != CORE_RPC_STATUS_OK, error::get_tx_pool_error);
 
-  cryptonote::COMMAND_RPC_GET_INFO::request req_t = AUTO_VAL_INIT(req_t);
-  cryptonote::COMMAND_RPC_GET_INFO::response resp_t = AUTO_VAL_INIT(resp_t);
-  m_daemon_rpc_mutex.lock();
-  r = net_utils::invoke_http_json_rpc("/json_rpc", "get_info", req_t, resp_t, m_http_client);
-  m_daemon_rpc_mutex.unlock();
-  THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "get_info");
-  THROW_WALLET_EXCEPTION_IF(resp_t.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "get_info");
-  THROW_WALLET_EXCEPTION_IF(resp_t.status != CORE_RPC_STATUS_OK, error::get_tx_pool_error);
-  uint64_t full_reward_zone = resp_t.block_size_limit / 2;
+  uint64_t block_size_limit = 0;
+  const auto result = m_node_rpc_proxy.get_block_size_limit(block_size_limit);
+  throw_on_rpc_response_error(result, "get_info");
+  uint64_t full_reward_zone = block_size_limit / 2;
 
   std::vector<std::pair<uint64_t, uint64_t>> blocks;
   for (const auto &fee_level: fee_levels)

src/wallet/wallet2.h

@@ -1110,6 +1110,7 @@ namespace tools
     bool generate_chacha_key_from_secret_keys(crypto::chacha_key &key) const;
     crypto::hash get_payment_id(const pending_tx &ptx) const;
     void check_acc_out_precomp(const cryptonote::tx_out &o, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, size_t i, tx_scan_info_t &tx_scan_info) const;
+    void check_acc_out_precomp_once(const cryptonote::tx_out &o, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, size_t i, tx_scan_info_t &tx_scan_info, bool &already_seen) const;
     void parse_block_round(const cryptonote::blobdata &blob, cryptonote::block &bl, crypto::hash &bl_id, bool &error) const;
     uint64_t get_upper_transaction_size_limit() const;
     std::vector<uint64_t> get_unspent_amounts_vector() const;

tests/unit_tests/CMakeLists.txt

@@ -86,7 +86,6 @@ target_link_libraries(unit_tests
     wallet
     p2p
     version
-    epee
     ${Boost_CHRONO_LIBRARY}
     ${Boost_THREAD_LIBRARY}
     ${GTEST_LIBRARIES}

tests/unit_tests/hardfork.cpp

@@ -122,6 +122,7 @@ public:
   virtual void remove_txpool_tx(const crypto::hash& txid) {}
   virtual bool get_txpool_tx_meta(const crypto::hash& txid, txpool_tx_meta_t &meta) const { return false; }
   virtual bool get_txpool_tx_blob(const crypto::hash& txid, cryptonote::blobdata &bd) const { return false; }
+  virtual uint64_t get_database_size() const { return 0; }
   virtual cryptonote::blobdata get_txpool_tx_blob(const crypto::hash& txid) const { return ""; }
   virtual bool for_all_txpool_txes(std::function<bool(const crypto::hash&, const txpool_tx_meta_t&, const cryptonote::blobdata*)>, bool include_blob = false, bool include_unrelayed_txes = false) const { return false; }