add flag to overwrite base fee to 0 during benchmark

Author: codchen

app/app.go

@@ -1759,6 +1759,11 @@ func (app *App) executeEVMTxWithGigaExecutor(ctx sdk.Context, msg *evmtypes.MsgE
 		}, nil
 	}
 
+	// Overwrite BaseFee to zero if ZERO_BASE_FEE is enabled (for benchmarking)
+	if app.benchmarkManager != nil && app.benchmarkManager.ZeroBaseFee {
+		blockCtx.BaseFee = utils.Big0
+	}
+
 	// Get chain config
 	sstore := app.GigaEvmKeeper.GetParams(ctx).SeiSstoreSetGasEip2200
 	cfg := evmtypes.DefaultChainConfig().EthereumConfigWithSstore(app.GigaEvmKeeper.ChainID(ctx), &sstore)

app/benchmark/benchmark.go

@@ -37,6 +37,9 @@ type Manager struct {
 	Generator  *Generator
 	Logger     *Logger
 	proposalCh <-chan *abci.ResponsePrepareProposal
+
+	// ZeroBaseFee overrides blockCtx.BaseFee to zero during tx execution.
+	ZeroBaseFee bool
 }
 
 // NewManager creates a new benchmark manager from configuration.
@@ -46,8 +49,9 @@ func NewManager(ctx context.Context, txConfig client.TxConfig, chainID string, e
 		panic("benchmark not allowed on live chains")
 	}
 
-	// Load config from environment variable or use default
+	// Load config from environment variables or use defaults
 	configPath := os.Getenv("BENCHMARK_CONFIG")
+	zeroBaseFee := os.Getenv("ZERO_BASE_FEE") == "true"
 
 	cfg, err := LoadConfig(configPath, evmChainID, chainID)
 	if err != nil {
@@ -67,12 +71,14 @@ func NewManager(ctx context.Context, txConfig client.TxConfig, chainID string, e
 	logger.Info("Benchmark manager initialized",
 		"configPath", configPath,
 		"scenarios", len(cfg.Scenarios),
+		"zeroBaseFee", zeroBaseFee,
 	)
 
 	return &Manager{
-		Generator:  gen,
-		Logger:     benchLogger,
-		proposalCh: proposalCh,
+		Generator:   gen,
+		Logger:      benchLogger,
+		proposalCh:  proposalCh,
+		ZeroBaseFee: zeroBaseFee,
 	}, nil
 }
 

scripts/benchmark.sh

@@ -8,6 +8,8 @@ GIGA_EXECUTOR=${GIGA_EXECUTOR:-false}
 GIGA_OCC=${GIGA_OCC:-false}
 BENCHMARK_TXS_PER_BATCH=${BENCHMARK_TXS_PER_BATCH:-1000}
 DISABLE_INDEXER=${DISABLE_INDEXER:-true}
+# Zero base fee - if true, overwrite blockCtx.BaseFee to zero for benchmarking
+ZERO_BASE_FEE=${ZERO_BASE_FEE:-false}
 # Debug mode - if true, prints all log output without filtering
 DEBUG=${DEBUG:-false}
 # Benchmark scenario config (path to JSON file, see scripts/scenarios/)
@@ -38,6 +40,7 @@ echo "  GIGA_OCC:                $GIGA_OCC"
 echo "  DB_BACKEND:              $DB_BACKEND"
 echo "  BENCHMARK_TXS_PER_BATCH: $BENCHMARK_TXS_PER_BATCH"
 echo "  DISABLE_INDEXER:         $DISABLE_INDEXER"
+echo "  ZERO_BASE_FEE:           $ZERO_BASE_FEE"
 echo "  DEBUG:                   $DEBUG"
 echo "  BENCHMARK_CONFIG:        ${BENCHMARK_CONFIG:-(default: EVMTransfer)}"
 echo ""
@@ -222,8 +225,8 @@ echo "============================================================"
 echo ""
 if [ "$DEBUG" = true ]; then
   # Debug mode: print all output
-  BENCHMARK_CONFIG=$BENCHMARK_CONFIG BENCHMARK_TXS_PER_BATCH=$BENCHMARK_TXS_PER_BATCH ~/go/bin/seid start --chain-id sei-chain
+  BENCHMARK_CONFIG=$BENCHMARK_CONFIG BENCHMARK_TXS_PER_BATCH=$BENCHMARK_TXS_PER_BATCH ZERO_BASE_FEE=$ZERO_BASE_FEE ~/go/bin/seid start --chain-id sei-chain
 else
   # Normal mode: filter to benchmark-related output only
-  BENCHMARK_CONFIG=$BENCHMARK_CONFIG BENCHMARK_TXS_PER_BATCH=$BENCHMARK_TXS_PER_BATCH ~/go/bin/seid start --chain-id sei-chain 2>&1 | grep -E "(benchmark|Benchmark|deployed|transitioning)"
+  BENCHMARK_CONFIG=$BENCHMARK_CONFIG BENCHMARK_TXS_PER_BATCH=$BENCHMARK_TXS_PER_BATCH ZERO_BASE_FEE=$ZERO_BASE_FEE ~/go/bin/seid start --chain-id sei-chain 2>&1 | grep -E "(benchmark|Benchmark|deployed|transitioning)"
 fi