feat(logic): specify user output support

proto/logic/v1beta2/params.proto

@@ -60,6 +60,15 @@ message Limits {
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Uint",
     (gogoproto.nullable) = true
   ];
+
+  // max_user_output_size specifies the maximum number of bytes to keep in the user output. If the user output exceeds
+  // this size, the interpreter will overwrite the oldest bytes with the new ones to keep the size constant.
+  // nil value or 0 value means that no user output is used at all.
+  string max_user_output_size = 4 [
+    (gogoproto.moretags) = "yaml:\"max_user_output_size\"",
+    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Uint",
+    (gogoproto.nullable) = true
+  ];
 }
 
 // Interpreter defines the various parameters for the interpreter.

proto/logic/v1beta2/query.proto

@@ -56,4 +56,7 @@ message QueryServiceAskResponse {
   uint64 gas_used = 2 [(gogoproto.moretags) = "yaml:\"gas_used\",omitempty"];
   // answer is the answer to the query.
   Answer answer = 3 [(gogoproto.moretags) = "yaml:\"answer\",omitempty"];
+  // user_output is the output of the query execution, if any.
+  // the length of the output is limited by the max_query_output_size parameter.
+  string user_output = 4 [(gogoproto.moretags) = "yaml:\"user_output\",omitempty"];
 }