Fix and improve

Author: flcl42

src/Nethermind/Nethermind.Consensus/Validators/BlockValidator.cs

@@ -224,7 +224,7 @@ private bool ValidateTransactionsDataGas(Block block, IReleaseSpec spec, out str
                 continue;
             }
 
-            if (transaction.MaxFeePerDataGas < (dataGasPrice ??= IntrinsicGasCalculator.CalculateDataGasPrice(block.Header)))
+            if (transaction.MaxFeePerDataGas < (dataGasPrice ??= IntrinsicGasCalculator.CalculateDataGasPricePerUnit(block.Header)))
             {
                 error = $"A transaction has unsufficient MaxFeePerDataGas {transaction.MaxFeePerDataGas} < {dataGasPrice}.";
                 if (_logger.IsWarn) _logger.Warn(error);

src/Nethermind/Nethermind.Core/Transaction.cs

@@ -173,7 +173,8 @@ public string ToString(string indent)
 
             if (SupportsBlobs)
             {
-                builder.AppendLine($"{indent}BlobVersionedHashes: {BlobVersionedHashes?.Length}");
+                builder.AppendLine($"{indent}{nameof(MaxFeePerDataGas)}: {MaxFeePerDataGas}");
+                builder.AppendLine($"{indent}{nameof(BlobVersionedHashes)}: {BlobVersionedHashes?.Length}");
             }
 
             return builder.ToString();