eth/catalyst: disable heartbeat for simulated beacon node

Signed-off-by: jsvisa <delweng@gmail.com>

eth/catalyst/api.go

@@ -151,6 +151,23 @@ func NewConsensusAPI(eth *eth.Ethereum) *ConsensusAPI {
 	return api
 }
 
+// newConsensusAPIWithoutHeartbeat creates a new consensus api for the SimulatedBeacon Node.
+func newConsensusAPIWithoutHeartbeat(eth *eth.Ethereum) *ConsensusAPI {
+	if eth.BlockChain().Config().TerminalTotalDifficulty == nil {
+		log.Warn("Engine API started but chain not configured for merge yet")
+	}
+	api := &ConsensusAPI{
+		eth:               eth,
+		remoteBlocks:      newHeaderQueue(),
+		localBlocks:       newPayloadQueue(),
+		invalidBlocksHits: make(map[common.Hash]int),
+		invalidTipsets:    make(map[common.Hash]*types.Header),
+	}
+	eth.Downloader().SetBadBlockCallback(api.setInvalidAncestor)
+
+	return api
+}
+
 // ForkchoiceUpdatedV1 has several responsibilities:
 //
 // We try to set our blockchain to the headBlock.

eth/catalyst/simulated_beacon.go

@@ -92,7 +92,7 @@ func NewSimulatedBeacon(period uint64, eth *eth.Ethereum) (*SimulatedBeacon, err
 		SafeBlockHash:      block.Hash(),
 		FinalizedBlockHash: block.Hash(),
 	}
-	engineAPI := NewConsensusAPI(eth)
+	engineAPI := newConsensusAPIWithoutHeartbeat(eth)
 
 	// if genesis block, send forkchoiceUpdated to trigger transition to PoS
 	if block.Number.Sign() == 0 {