public void multicastPrepare(final ConsensusRoundIdentifier roundIdentifier, final Hash digest) {
    try {
      final Prepare data = messageFactory.createPrepare(roundIdentifier, digest);

      final PrepareMessageData message = PrepareMessageData.create(data);

      multicaster.send(message);
    } catch (final SecurityModuleException e) {
      LOG.warn("Failed to generate signature for Prepare (not sent): {} ", e.getMessage());
    }
  }
Multicast prepare.

@param roundIdentifier the round identifier
@param digest the digest
consensus/qbft-core/src/main/java/org/hyperledger/besu/consensus/qbft/core/network/QbftMessageTransmitter.java