Merge remote-tracking branch 'origin/unstable' into capella-update

beacon_node/execution_layer/src/test_utils/hook.rs

@@ -0,0 +1,27 @@
+use crate::json_structures::*;
+
+type ForkChoiceUpdatedHook = dyn Fn(
+        JsonForkchoiceStateV1,
+        Option<JsonPayloadAttributes>,
+    ) -> Option<JsonForkchoiceUpdatedV1Response>
+    + Send
+    + Sync;
+
+#[derive(Default)]
+pub struct Hook {
+    forkchoice_updated: Option<Box<ForkChoiceUpdatedHook>>,
+}
+
+impl Hook {
+    pub fn on_forkchoice_updated(
+        &self,
+        state: JsonForkchoiceStateV1,
+        payload_attributes: Option<JsonPayloadAttributes>,
+    ) -> Option<JsonForkchoiceUpdatedV1Response> {
+        (self.forkchoice_updated.as_ref()?)(state, payload_attributes)
+    }
+
+    pub fn set_forkchoice_updated_hook(&mut self, f: Box<ForkChoiceUpdatedHook>) {
+        self.forkchoice_updated = Some(f);
+    }
+}