+function isValidActorHandle (handle: string) {
+ if (!exists(handle)) return false
+
+ const parts = handle.split('@')
+ if (parts.length !== 2) return false
+
+ return isHostValid(parts[1])
+}
+
+function areValidActorHandles (handles: string[]) {
+ return isArray(handles) && handles.every(h => isValidActorHandle(h))
+}
+