#36 simplewallet refresh include optional height param

height param is used optionally in refresh command 

TODO: This should also be the default behaviour 
when generating a new wallet.

src/cryptonote_core/blockchain_storage.cpp

@@ -1149,11 +1149,15 @@ bool blockchain_storage::find_blockchain_supplement(const std::list<crypto::hash
   return true;
 }
 //------------------------------------------------------------------
-bool blockchain_storage::find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count)
+bool blockchain_storage::find_blockchain_supplement(const uint64_t req_start_block, const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count)
 {
   CRITICAL_REGION_LOCAL(m_blockchain_lock);
-  if(!find_blockchain_supplement(qblock_ids, start_height))
+  if(req_start_block > 0) {
-    return false;
+     start_height = req_start_block; 
+  } else {
+    if(!find_blockchain_supplement(qblock_ids, start_height))
+      return false;
+  }
 
   total_height = get_current_blockchain_height();
   size_t count = 0;

src/cryptonote_core/blockchain_storage.h

@@ -120,7 +120,7 @@ namespace cryptonote
     bool get_short_chain_history(std::list<crypto::hash>& ids);
     bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp);
     bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, uint64_t& starter_offset);
-    bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count);
+    bool find_blockchain_supplement(const uint64_t req_start_block, const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count);
     bool handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NOTIFY_RESPONSE_GET_OBJECTS::request& rsp);
     bool handle_get_objects(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res);
     bool get_random_outs_for_amounts(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res);

src/cryptonote_core/cryptonote_core.cpp

@@ -323,9 +323,9 @@ namespace cryptonote
     return m_blockchain_storage.find_blockchain_supplement(qblock_ids, resp);
   }
   //-----------------------------------------------------------------------------------------------
-  bool core::find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count)
+  bool core::find_blockchain_supplement(const uint64_t req_start_block, const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count)
   {
-    return m_blockchain_storage.find_blockchain_supplement(qblock_ids, blocks, total_height, start_height, max_count);
+    return m_blockchain_storage.find_blockchain_supplement(req_start_block, qblock_ids, blocks, total_height, start_height, max_count);
   }
   //-----------------------------------------------------------------------------------------------
   void core::print_blockchain(uint64_t start_index, uint64_t end_index)

src/cryptonote_core/cryptonote_core.h

@@ -100,7 +100,7 @@ namespace cryptonote
      bool have_block(const crypto::hash& id);
      bool get_short_chain_history(std::list<crypto::hash>& ids);
      bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp);
-     bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count);
+     bool find_blockchain_supplement(const uint64_t req_start_block, const std::list<crypto::hash>& qblock_ids, std::list<std::pair<block, std::list<transaction> > >& blocks, uint64_t& total_height, uint64_t& start_height, size_t max_count);
      bool get_stat_info(core_stat_info& st_inf);
      //bool get_backward_blocks_sizes(uint64_t from_height, std::vector<size_t>& sizes, size_t count);
      bool get_tx_outputs_gindexs(const crypto::hash& tx_id, std::vector<uint64_t>& indexs);

src/rpc/core_rpc_server.cpp

@@ -125,7 +125,8 @@ namespace cryptonote
   {
     CHECK_CORE_BUSY();
     std::list<std::pair<block, std::list<transaction> > > bs;
-    if(!m_core.find_blockchain_supplement(req.block_ids, bs, res.current_height, res.start_height, COMMAND_RPC_GET_BLOCKS_FAST_MAX_COUNT))
+
+    if(!m_core.find_blockchain_supplement(req.start_height, req.block_ids, bs, res.current_height, res.start_height, COMMAND_RPC_GET_BLOCKS_FAST_MAX_COUNT))
     {
       res.status = "Failed";
       return false;

src/rpc/core_rpc_server_commands_defs.h

@@ -66,9 +66,10 @@ namespace cryptonote
     struct request
     {
       std::list<crypto::hash> block_ids; //*first 10 blocks id goes sequential, next goes in pow(2,n) offset, like 2, 4, 8, 16, 32, 64 and so on, and the last one is always genesis block */
-
+      uint64_t    start_height;
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE_CONTAINER_POD_AS_BLOB(block_ids)
+        KV_SERIALIZE(start_height)
       END_KV_SERIALIZE_MAP()
     };
 

src/simplewallet/simplewallet.cpp

@@ -622,12 +622,25 @@ bool simple_wallet::refresh(const std::vector<std::string>& args)
     return true;
 
   message_writer() << "Starting refresh...";
+
   size_t fetched_blocks = 0;
+  size_t start_height = 0;
+  if(!args.empty()){
+    try
+    {
+        start_height = boost::lexical_cast<int>( args[0] );
+    }
+    catch(const boost::bad_lexical_cast &)
+    {
+        start_height = 0;
+    }
+  }
+  
   bool ok = false;
   std::ostringstream ss;
   try
   {
-    m_wallet->refresh(fetched_blocks);
+    m_wallet->refresh(start_height, fetched_blocks);
     ok = true;
     // Clear line "Height xxx of xxx"
     std::cout << "\r                                                                \r";

src/wallet/wallet2.cpp

@@ -192,8 +192,6 @@ void wallet2::process_unconfirmed(const cryptonote::transaction& tx)
 void wallet2::process_new_blockchain_entry(const cryptonote::block& b, cryptonote::block_complete_entry& bche, crypto::hash& bl_id, uint64_t height)
 {
   //handle transactions from new block
-  THROW_WALLET_EXCEPTION_IF(height != m_blockchain.size(), error::wallet_internal_error,
-    "current_index=" + std::to_string(height) + ", m_blockchain.size()=" + std::to_string(m_blockchain.size()));
     
   //optimization: seeking only for blocks that are not older then the wallet creation time plus 1 day. 1 day is for possible user incorrect time setup
   if(b.timestamp + 60*60*24 > m_account.get_createtime())
@@ -300,16 +298,16 @@ void wallet2::pull_blocks(size_t& blocks_added)
 void wallet2::refresh()
 {
   size_t blocks_fetched = 0;
-  refresh(blocks_fetched);
+  refresh(0, blocks_fetched);
 }
 //----------------------------------------------------------------------------------------------------
-void wallet2::refresh(size_t & blocks_fetched)
+void wallet2::refresh(uint64_t start_height, size_t & blocks_fetched)
 {
   bool received_money = false;
-  refresh(blocks_fetched, received_money);
+  refresh(start_height, blocks_fetched, received_money);
 }
 //----------------------------------------------------------------------------------------------------
-void wallet2::refresh(size_t & blocks_fetched, bool& received_money)
+void wallet2::refresh(uint64_t start_height, size_t & blocks_fetched, bool& received_money)
 {
   received_money = false;
   blocks_fetched = 0;
@@ -321,7 +319,7 @@ void wallet2::refresh(size_t & blocks_fetched, bool& received_money)
   {
     try
     {
-      pull_blocks(added_blocks);
+      pull_blocks(start_height, added_blocks);
       blocks_fetched += added_blocks;
       if(!added_blocks)
         break;
@@ -351,7 +349,7 @@ bool wallet2::refresh(size_t & blocks_fetched, bool& received_money, bool& ok)
 {
   try
   {
-    refresh(blocks_fetched, received_money);
+    refresh(0, blocks_fetched, received_money);
     ok = true;
   }
   catch (...)

src/wallet/wallet2.h

@@ -152,8 +152,8 @@ namespace tools
     void callback(i_wallet2_callback* callback) { m_callback = callback; }
 
     void refresh();
-    void refresh(size_t & blocks_fetched);
+    void refresh(uint64_t start_height, size_t & blocks_fetched);
-    void refresh(size_t & blocks_fetched, bool& received_money);
+    void refresh(uint64_t start_height, size_t & blocks_fetched, bool& received_money);
     bool refresh(size_t & blocks_fetched, bool& received_money, bool& ok);
 
     uint64_t balance();
@@ -202,7 +202,7 @@ namespace tools
     bool is_tx_spendtime_unlocked(uint64_t unlock_time) const;
     bool is_transfer_unlocked(const transfer_details& td) const;
     bool clear();
-    void pull_blocks(size_t& blocks_added);
+    void pull_blocks(uint64_t start_height, size_t& blocks_added);
     uint64_t select_transfers(uint64_t needed_money, bool add_dust, uint64_t dust, std::list<transfer_container::iterator>& selected_transfers);
     bool prepare_file_names(const std::string& file_path);
     void process_unconfirmed(const cryptonote::transaction& tx);