@Override
public void catchUp(List<BID> inventory, int limit, boolean headers, final TrunkListener listener)
throws BCSAPIException {
log.trace("catchUp");
ConnectorMessage m;
try (ConnectorSession session = connection.createSession()) {
ConnectorProducer transactionRequestProducer =
session.createProducer(session.createQueue("catchUpRequest"));
m = session.createMessage();
BCSAPIMessage.CatchUpRequest.Builder builder = BCSAPIMessage.CatchUpRequest.newBuilder();
builder.setLimit(limit);
builder.setHeaders(true);
for (BID hash : inventory) {
builder.addInventory(ByteString.copyFrom(hash.unsafeGetArray()));
}
m.setPayload(builder.build().toByteArray());
byte[] response = synchronousRequest(session, transactionRequestProducer, m);
if (response != null) {
BCSAPIMessage.TrunkUpdate blockMessage = BCSAPIMessage.TrunkUpdate.parseFrom(response);
List<APIBlock> blockList = new ArrayList<>();
for (BCSAPIMessage.BLK b : blockMessage.getAddedList()) {
blockList.add(APIBlock.fromProtobuf(b));
}
listener.trunkUpdate(blockList);
}
} catch (ConnectorException | HyperLedgerException | InvalidProtocolBufferException e) {
throw new BCSAPIException(e);
}
}
@Override
public APIBlock getBlock(BID hash) throws BCSAPIException {
try (ConnectorSession session = connection.createSession()) {
log.trace("get block " + hash);
ConnectorProducer blockRequestProducer =
session.createProducer(session.createQueue("blockRequest"));
ConnectorMessage m = session.createMessage();
BCSAPIMessage.Hash.Builder builder = BCSAPIMessage.Hash.newBuilder();
builder.addHash(ByteString.copyFrom(hash.unsafeGetArray()));
m.setPayload(builder.build().toByteArray());
byte[] response = synchronousRequest(session, blockRequestProducer, m);
if (response != null) {
return APIBlock.fromProtobuf(BCSAPIMessage.BLK.parseFrom(response));
}
} catch (ConnectorException | HyperLedgerException | InvalidProtocolBufferException e) {
throw new BCSAPIException(e);
}
return null;
}
@Override
public void registerTrunkListener(final TrunkListener listener) throws BCSAPIException {
try {
addTopicListener(
"trunk",
listener,
body -> {
List<APIBlock> blockList = null;
try {
BCSAPIMessage.TrunkUpdate blockMessage = BCSAPIMessage.TrunkUpdate.parseFrom(body);
blockList = new ArrayList<>();
for (BCSAPIMessage.BLK b : blockMessage.getAddedList()) {
blockList.add(APIBlock.fromProtobuf(b));
}
} catch (Exception e) {
log.error("Block message error", e);
}
return blockList;
},
blocks -> listener.trunkUpdate(blocks));
} catch (ConnectorException e) {
throw new BCSAPIException(e);
}
}