cmd/utils: fix dump config failed

Author: cuiweixie

cmd/utils/flags.go

@@ -1577,8 +1577,7 @@ func setMiner(ctx *cli.Context, cfg *miner.Config) {
 		cfg.Recommit = ctx.Duration(MinerNewPayloadTimeoutFlag.Name)
 	}
 	if ctx.IsSet(MinerMaxBlobsFlag.Name) {
-		maxBlobs := ctx.Int(MinerMaxBlobsFlag.Name)
-		cfg.MaxBlobsPerBlock = &maxBlobs
+		cfg.MaxBlobsPerBlock = ctx.Int(MinerMaxBlobsFlag.Name)
 	}
 }
 

miner/miner.go

@@ -48,7 +48,7 @@ type Config struct {
 	GasCeil             uint64         // Target gas ceiling for mined blocks.
 	GasPrice            *big.Int       // Minimum gas price for mining a transaction
 	Recommit            time.Duration  // The time interval for miner to re-create mining work.
-	MaxBlobsPerBlock    *int           // Maximum number of blobs per block (unset uses protocol default)
+	MaxBlobsPerBlock    int            // Maximum number of blobs per block (0 for unset uses protocol default)
 }
 
 // DefaultConfig contains default settings for miner.

miner/worker.go

@@ -47,8 +47,8 @@ var (
 // Users can specify the maximum number of blobs per block if necessary.
 func (miner *Miner) maxBlobsPerBlock(time uint64) int {
 	maxBlobs := eip4844.MaxBlobsPerBlock(miner.chainConfig, time)
-	if miner.config.MaxBlobsPerBlock != nil {
-		maxBlobs = *miner.config.MaxBlobsPerBlock
+	if miner.config.MaxBlobsPerBlock != 0 {
+		maxBlobs = miner.config.MaxBlobsPerBlock
 	}
 	return maxBlobs
 }