public static EVM frontier(
      final GasCalculator gasCalculator, final EvmConfiguration evmConfiguration) {
    return new EVM(
        frontierOperations(gasCalculator),
        gasCalculator,
        evmConfiguration,
        EvmSpecVersion.FRONTIER);
  }
Frontier evm.

@param gasCalculator the gas calculator
@param evmConfiguration the evm configuration
@return the evm
evm/src/main/java/org/hyperledger/besu/evm/MainnetEVMs.java