private Vote decodeVote(final RLPInput rlpInput) {
    rlpInput.enterList();
    final Address recipient = Address.readFrom(rlpInput);
    final VoteType vote = voteToValue.inverse().get(rlpInput.readByte());
    if (vote == null) {
      throw new RLPException("Vote field was of an incorrect binary value.");
    }
    rlpInput.leaveList();

    return new Vote(recipient, vote);
  }
Create genesis extra data string.

@param validators the validators
@return the string
consensus/ibft/src/main/java/org/hyperledger/besu/consensus/ibft/IbftExtraDataCodec.java