implementation of yield_info function

src/rpc/core_rpc_server.cpp

@@ -2939,6 +2939,35 @@ namespace cryptonote
     return true;    
   }
   //------------------------------------------------------------------------------------------------------------------------------
+  bool core_rpc_server::on_get_yield_info(const COMMAND_RPC_GET_YIELD_INFO::request& req, COMMAND_RPC_GET_YIELD_INFO::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
+  {
+    PERF_TIMER(on_get_yield_info);
+    uint64_t height = m_core.get_current_blockchain_height();
+    std::map<uint64_t, yield_block_info> ybi_cache;
+    if (!m_core.get_blockchain_storage().get_ybi_cache(ybi_cache)) {
+      res.status = "failed to get YBI data from blockchain";
+      return true;
+    }
+    // Iterate over the cache, supplying the data in a more accessible format
+    res.yield_data.clear();
+    for (const auto& entry: ybi_cache) {
+      // Skip this entry if out-of=range
+      if (req.from_height > 0 and entry.first < req.from_height) continue;
+      if (req.to_height > 0 and entry.first > req.to_height) continue;
+
+      // Clone the data into the response
+      COMMAND_RPC_GET_YIELD_INFO::yield_data_t yd;
+      yd.block_height = entry.second.block_height;
+      yd.slippage_total_this_block = entry.second.slippage_total_this_block;
+      yd.locked_coins_this_block = entry.second.locked_coins_this_block;
+      yd.locked_coins_tally = entry.second.locked_coins_tally;
+      yd.network_health_percentage = entry.second.network_health_percentage;
+      res.yield_data.push_back(yd);
+    }
+    res.status = CORE_RPC_STATUS_OK;
+    return true;
+  }
+  //------------------------------------------------------------------------------------------------------------------------------
   bool core_rpc_server::on_get_base_fee_estimate(const COMMAND_RPC_GET_BASE_FEE_ESTIMATE::request& req, COMMAND_RPC_GET_BASE_FEE_ESTIMATE::response& res, epee::json_rpc::error& error_resp, const connection_context *ctx)
   {
     RPC_TRACKER(get_base_fee_estimate);