implementation of yield_info function

src/cryptonote_core/blockchain.cpp

@@ -4393,6 +4393,27 @@ bool Blockchain::validate_ybi_cache()
   return true;
 }
 //------------------------------------------------------------------
+bool Blockchain::get_ybi_cache(std::map<uint64_t, yield_block_info>& ybi_cache)
+{
+  LOG_PRINT_L3("Blockchain::" << __func__);
+  
+  // Clear the provided container
+  ybi_cache.clear();
+  
+  // Make sure the cache is fully populated and up to date
+  if (!validate_ybi_cache()) {
+    LOG_PRINT_L1("yield information cache is invalid - rebuilding cache");
+    if (!rebuild_ybi_cache()) {
+      LOG_ERROR("Failed to rebuild yield information cache - aborting");
+      return false;
+    }
+  }
+
+  // Copy the cache
+  ybi_cache = m_yield_block_info_cache;
+  return true;
+}
+//------------------------------------------------------------------
 bool Blockchain::get_ybi_entry(const uint64_t height, cryptonote::yield_block_info& ybi)
 {
   LOG_PRINT_L3("Blockchain::" << __func__);

src/cryptonote_core/blockchain.h

@@ -1154,6 +1154,17 @@ namespace cryptonote
      */
     bool calculate_yield_payouts(const uint64_t start_height, std::vector<std::pair<yield_tx_info, uint64_t>>& yield_payouts);
 
+    /**
+     * @brief get the complete YBI cache
+     *
+     * Retrieve the YBI local cache.
+     * If the cache is out of date, the cache will (attempt to) be rebuilt
+     * before being returned.
+     *
+     * @return TRUE if the call is successful, FALSE otherwise
+     */
+    bool get_ybi_cache(std::map<uint64_t, yield_block_info>& ybi_cache);
+
     /**
      * @brief get the YBI entry for a particular height from the cache
      *