Not write follow operations dump in wrong cases #1333

plugins/operation_dump/include/golos/plugins/operation_dump/operation_dump_visitor.hpp

@@ -122,12 +122,16 @@ class operation_dump_visitor {
         fc::raw::pack(b, _block.timestamp);
     }
 
-    // Not logs if operation failed in plugin, but logs if plugin not exists
+    // Not logs if operation failed in plugin or if plugin not exists and cannot check operation
     auto operator()(const custom_json_operation& op) -> result_type {
         if (op.id != "follow") { // follows, reblogs, delete_reblogs
             return;
         }
 
+        if (!_db.has_index<follow_index>()) {
+            return;
+        }
+
         std::vector<follow_plugin_operation> fpops;
 
         auto v = fc::json::from_string(op.json);
@@ -153,6 +157,10 @@ class operation_dump_visitor {
     }
 
     auto operator()(const follow_operation& op) -> result_type {
+        if (!_db.find_account(op.follower) || !_db.find_account(op.following)) {
+            return;
+        }
+
         auto& b = write_op_header("follows", std::string(op.follower) + "/" + op.following);
 
         fc::raw::pack(b, op.follower);