Examples with Block org.hyperledger.fabric.protos.common.Common.Block used on opensource projects

Example 6 with Block

use of org.hyperledger.fabric.protos.common.Common.Block in project fabric-sdk-java by hyperledger.

the class Channel method getGenesisBlock.

private Block getGenesisBlock(Orderer orderer) throws TransactionException {
    try {
        if (genesisBlock != null) {
            logger.debug(format("Channel %s getGenesisBlock already present", name));
        } else {
            final long start = System.currentTimeMillis();
            SeekSpecified seekSpecified = SeekSpecified.newBuilder().setNumber(0).build();
            SeekPosition seekPosition = SeekPosition.newBuilder().setSpecified(seekSpecified).build();
            SeekSpecified seekStopSpecified = SeekSpecified.newBuilder().setNumber(0).build();
            SeekPosition seekStopPosition = SeekPosition.newBuilder().setSpecified(seekStopSpecified).build();
            SeekInfo seekInfo = SeekInfo.newBuilder().setStart(seekPosition).setStop(seekStopPosition).setBehavior(SeekInfo.SeekBehavior.BLOCK_UNTIL_READY).build();
            ArrayList<DeliverResponse> deliverResponses = new ArrayList<>();
            seekBlock(seekInfo, deliverResponses, orderer);
            DeliverResponse blockresp = deliverResponses.get(1);
            Block configBlock = blockresp.getBlock();
            if (configBlock == null) {
                throw new TransactionException(format("In getGenesisBlock newest block for channel %s fetch bad deliver returned null:", name));
            }
            int dataCount = configBlock.getData().getDataCount();
            if (dataCount < 1) {
                throw new TransactionException(format("In getGenesisBlock bad config block data count %d", dataCount));
            }
            genesisBlock = blockresp.getBlock();
        }
    } catch (TransactionException e) {
        logger.error(e.getMessage(), e);
        throw e;
    } catch (Exception e) {
        TransactionException exp = new TransactionException("getGenesisBlock " + e.getMessage(), e);
        logger.error(exp.getMessage(), exp);
        throw exp;
    }
    if (genesisBlock == null) {
        // make sure it was really set.
        TransactionException exp = new TransactionException("getGenesisBlock returned null");
        logger.error(exp.getMessage(), exp);
        throw exp;
    }
    logger.debug(format("Channel %s getGenesisBlock done.", name));
    return genesisBlock;
}

Example 7 with Block

use of org.hyperledger.fabric.protos.common.Common.Block in project fabric-sdk-java by hyperledger.

the class Channel method getChannelConfigurationBytes.

/**
 * Channel Configuration bytes. Bytes that can be used with configtxlator tool to upgrade the channel.
 * Convert to Json for editing  with:
 * {@code
 * <p>
 * curl -v   POST --data-binary @fooConfig http://host/protolator/decode/common.Config
 * <p>
 * }
 * See http://hyperledger-fabric.readthedocs.io/en/latest/configtxlator.html
 *
 * @return Channel configuration bytes.
 * @throws TransactionException
 */
public byte[] getChannelConfigurationBytes() throws TransactionException {
    try {
        final Block configBlock = getConfigBlock(getShuffledPeers());
        Envelope envelopeRet = Envelope.parseFrom(configBlock.getData().getData(0));
        Payload payload = Payload.parseFrom(envelopeRet.getPayload());
        ConfigEnvelope configEnvelope = ConfigEnvelope.parseFrom(payload.getData());
        return configEnvelope.getConfig().toByteArray();
    } catch (Exception e) {
        throw new TransactionException(e);
    }
}