Examples with ProposalBuilder org.hyperledger.fabric.sdk.transaction.ProposalBuilder used on opensource projects

Example 1 with ProposalBuilder

use of org.hyperledger.fabric.sdk.transaction.ProposalBuilder in project fabric-sdk-java by hyperledger.

the class Channel method sendProposal.

private Collection<ProposalResponse> sendProposal(TransactionRequest proposalRequest, Collection<Peer> peers) throws InvalidArgumentException, ProposalException {
    checkChannelState();
    checkPeers(peers);
    if (null == proposalRequest) {
        throw new InvalidArgumentException("The proposalRequest is null");
    }
    if (Utils.isNullOrEmpty(proposalRequest.getFcn())) {
        throw new InvalidArgumentException("The proposalRequest's fcn is null or empty.");
    }
    if (proposalRequest.getChaincodeID() == null) {
        throw new InvalidArgumentException("The proposalRequest's chaincode ID is null");
    }
    proposalRequest.setSubmitted();
    try {
        TransactionContext transactionContext = getTransactionContext(proposalRequest.getUserContext());
        transactionContext.verify(proposalRequest.doVerify());
        transactionContext.setProposalWaitTime(proposalRequest.getProposalWaitTime());
        // Protobuf message builder
        ProposalBuilder proposalBuilder = ProposalBuilder.newBuilder();
        proposalBuilder.context(transactionContext);
        proposalBuilder.request(proposalRequest);
        SignedProposal invokeProposal = getSignedProposal(transactionContext, proposalBuilder.build());
        return sendProposalToPeers(peers, invokeProposal, transactionContext);
    } catch (ProposalException e) {
        throw e;
    } catch (Exception e) {
        ProposalException exp = new ProposalException(e);
        logger.error(exp.getMessage(), exp);
        throw exp;
    }
}