duration instead of timestamp

Author: montekki

proto/lagrange.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package lagrange;
 
-import "google/protobuf/timestamp.proto";
+import "google/protobuf/duration.proto";
 
 message WorkerToGwResponse {
   UUID task_id = 1;
@@ -46,7 +46,7 @@ message SubmitTaskRequest {
   bytes task_bytes = 1;
   // friendly name of a task for logging and tracing
   string user_task_id = 2;
-  google.protobuf.Timestamp timeout = 3;
+  google.protobuf.Duration timeout = 3;
   bytes price_requested = 4;
   string class = 5;
 }