private static Hash parseMixHash(final GenesisConfig genesis) {
    return withNiceErrorMessage("mixHash", genesis.getMixHash(), Hash::fromHexStringLenient);
  }
Writes the genesis block's world state to the given {@link MutableWorldState}.

@param target WorldView to write genesis state to
ethereum/core/src/main/java/org/hyperledger/besu/ethereum/chain/GenesisState.java