public static ProtocolSchedule create(
      final GenesisConfigOptions config,
      final EvmConfiguration evmConfiguration,
      final MiningConfiguration miningConfiguration,
      final BadBlockManager badBlockManager,
      final boolean isParallelTxProcessingEnabled,
      final MetricsSystem metricsSystem) {
    return create(
        config,
        false,
        evmConfiguration,
        miningConfiguration,
        badBlockManager,
        isParallelTxProcessingEnabled,
        metricsSystem);
  }
A ProtocolSchedule which behaves similarly to pre-merge MainNet, but with a much reduced
difficulty.
ethereum/core/src/main/java/org/hyperledger/besu/ethereum/difficulty/fixed/FixedDifficultyProtocolSchedule.java