feat: allow stopping fake finalization at fork boundary

Author: omerfirmak

rollup/conf/config.json

@@ -62,6 +62,7 @@
         "base_url": "http://localhost:8750"
       },
       "enable_test_env_bypass_features": true,
+      "test_env_bypass_only_until_fork_boundary": false,
       "finalize_batch_without_proof_timeout_sec": 7200,
       "finalize_bundle_without_proof_timeout_sec": 7200,
       "gas_oracle_sender_signer_config": {
@@ -114,4 +115,4 @@
     "maxOpenNum": 200,
     "maxIdleNum": 20
   }
-}
+}

rollup/internal/config/relayer.go

@@ -62,6 +62,8 @@ type RelayerConfig struct {
 
 	// Indicates if bypass features specific to testing environments are enabled.
 	EnableTestEnvBypassFeatures bool `json:"enable_test_env_bypass_features"`
+	// Sets rollup-relayer to stop fake finalizing at the fork boundary
+	TestEnvBypassOnlyUntilForkBoundary bool `json:"test_env_bypass_only_until_fork_boundary"`
 	// The timeout in seconds for finalizing a batch without proof, only used when EnableTestEnvBypassFeatures is true.
 	FinalizeBatchWithoutProofTimeoutSec uint64 `json:"finalize_batch_without_proof_timeout_sec"`
 	// The timeout in seconds for finalizing a bundle without proof, only used when EnableTestEnvBypassFeatures is true.

rollup/internal/controller/relayer/l2_relayer.go

@@ -527,6 +527,33 @@ func (r *Layer2Relayer) ProcessPendingBundles() {
 				return
 			}
 
+			lastFinalizedChunk, err := r.chunkOrm.GetChunkByIndex(r.ctx, lastBatch.EndChunkIndex)
+			if err != nil {
+				log.Error("failed to get last finalized chunk", "chunk index", lastBatch.EndChunkIndex)
+				return
+			}
+
+			firstUnfinalizedBatch, err := r.batchOrm.GetBatchByIndex(r.ctx, bundle.StartBatchIndex)
+			if err != nil {
+				log.Error("failed to get first unfinalized batch", "batch index", bundle.StartBatchIndex)
+				return
+			}
+
+			firstUnfinalizedChunk, err := r.chunkOrm.GetChunkByIndex(r.ctx, firstUnfinalizedBatch.StartChunkIndex)
+			if err != nil {
+				log.Error("failed to get firsr unfinalized chunk", "chunk index", firstUnfinalizedBatch.StartChunkIndex)
+				return
+			}
+
+			if r.cfg.TestEnvBypassOnlyUntilForkBoundary {
+				lastFork := encoding.GetHardforkName(r.chainCfg, lastFinalizedChunk.StartBlockNumber, lastFinalizedChunk.StartBlockTime)
+				nextFork := encoding.GetHardforkName(r.chainCfg, firstUnfinalizedChunk.StartBlockNumber, firstUnfinalizedChunk.StartBlockTime)
+				if lastFork != nextFork {
+					log.Info("not fake finalizing past the fork boundary", "last fork", lastFork, "next fork", nextFork)
+					return
+				}
+			}
+
 			if err := r.finalizeBundle(bundle, false); err != nil {
 				log.Error("failed to finalize timeout bundle without proof", "bundle index", bundle.Index, "start batch index", bundle.StartBatchIndex, "end batch index", bundle.EndBatchIndex, "err", err)
 				return