Examples with ConfigUpdateEnvelope org.hyperledger.fabric.protos.common.Configtx.ConfigUpdateEnvelope used on opensource projects

Example 1 with ConfigUpdateEnvelope

use of org.hyperledger.fabric.protos.common.Configtx.ConfigUpdateEnvelope in project fabric-sdk-java by hyperledger.

the class Channel method getChannelConfigurationSignature.

byte[] getChannelConfigurationSignature(ChannelConfiguration channelConfiguration, User signer) throws InvalidArgumentException {
    userContextCheck(signer);
    if (null == channelConfiguration) {
        throw new InvalidArgumentException("channelConfiguration is null");
    }
    try {
        Envelope ccEnvelope = Envelope.parseFrom(channelConfiguration.getChannelConfigurationAsBytes());
        final Payload ccPayload = Payload.parseFrom(ccEnvelope.getPayload());
        TransactionContext transactionContext = getTransactionContext(signer);
        final ConfigUpdateEnvelope configUpdateEnv = ConfigUpdateEnvelope.parseFrom(ccPayload.getData());
        final ByteString configUpdate = configUpdateEnv.getConfigUpdate();
        ByteString sigHeaderByteString = getSignatureHeaderAsByteString(signer, transactionContext);
        ByteString signatureByteSting = transactionContext.signByteStrings(new User[] { signer }, sigHeaderByteString, configUpdate)[0];
        return ConfigSignature.newBuilder().setSignatureHeader(sigHeaderByteString).setSignature(signatureByteSting).build().toByteArray();
    } catch (Exception e) {
        throw new InvalidArgumentException(e);
    } finally {
        logger.debug("finally done");
    }
}