simplify

Author: dakom

wit-definitions/operator/wit/operator.wit

@@ -24,28 +24,17 @@ interface input {
 interface output {
     use event-types.{event-id};
 
-    variant response-event-id {
-        // will be auto-generated on the host by hashing service + trigger-action + (optional) salt
-        // the salt can be provided to ensure additional uniqueness if needed
-        // e.g. when multiple responses are generated for the same trigger-action
-        auto(option<list<u8>>),
-
-        // hash any arbitrary payload to generate the event id
-        // it's up to you to ensure uniqueness here
-        hash(list<u8>),
-
-        // a raw event id provided directly, typically for testing purposes
-        raw(event-id),
-    }
-
     record wasm-response {
         // arbitrary payload returned from the component
         // and passed on to be signed by the operators
         payload: list<u8>,
         // currently unused
         ordering: option<u64>,
-        // make sure this is unique for every response!
-        event-id: response-event-id
+        // if supplied, make sure this is unique for every response!
+        // for example, `host::hash_event_id(some_uuid.as_bytes())`
+        // otherwise it will be auto-generated by the host
+        // by hashing service + trigger-action
+        event-id: option<event-id>
     }
 }
 
@@ -71,7 +60,6 @@ world wavs-world {
         use service-types.{service-and-workflow-id, workflow-and-workflow-id};
         use core-types.{log-level};
         use event-types.{event-id};
-        use output.{response-event-id};
 
         get-evm-chain-config: func(chain-key: string) -> option<evm-chain-config>;
         get-cosmos-chain-config: func(chain-key: string) -> option<cosmos-chain-config>;
@@ -86,9 +74,12 @@ world wavs-world {
         // convenience function to get the workflow without having to walk service.workflows
         get-workflow: func() -> workflow-and-workflow-id;
 
-        // convenience function to get what the event id will be
+        // convenience function to get what the auto-generated event id will be
         // typically only used for debugging or testing purposes
-        get-event-id: func(kind: response-event-id) -> event-id;
+        get-event-id: func() -> event-id;
+
+        // helper to hash any arbitrary data into an event id
+        hash-event-id: func(bytes: list<u8>) -> event-id;
     }
 
     use input.{trigger-action};