public EVMExecutor baseFee(final Optional<Wei> baseFee) {
    ((SimpleBlockValues) this.blockValues).setBaseFee(baseFee);
    return this;
  }
Sets the baseFee for the block, as an Optional.

@param baseFee the baseFee
@return the evm executor
@throws ClassCastException if the blockValues was set with a value that is not a {@link
    SimpleBlockValues}
evm/src/main/java/org/hyperledger/besu/evm/fluent/EVMExecutor.java