void BlockchainSynchronizer::startBlockchainSync() {
GetBlocksResponse response;
GetBlocksRequest req = getCommonHistory();
try {
if (!req.knownBlocks.empty()) {
auto queryBlocksCompleted = std::promise<std::error_code>();
auto queryBlocksWaitFuture = queryBlocksCompleted.get_future();
m_node.queryBlocks(
std::move(req.knownBlocks),
req.syncStart.timestamp,
response.newBlocks,
response.startHeight,
[&queryBlocksCompleted](std::error_code ec) {
auto detachedPromise = std::move(queryBlocksCompleted);
detachedPromise.set_value(ec);
});
std::error_code ec = queryBlocksWaitFuture.get();
if (ec) {
setFutureStateIf(State::idle, [this] { return m_futureState != State::stopped; });
m_observerManager.notify(&IBlockchainSynchronizerObserver::synchronizationCompleted, ec);
} else {
processBlocks(response);
}
}
} catch (std::exception&) {
setFutureStateIf(State::idle, [this] { return m_futureState != State::stopped; });
m_observerManager.notify(&IBlockchainSynchronizerObserver::synchronizationCompleted, std::make_error_code(std::errc::invalid_argument));
}
}
void BlockchainSynchronizer::startBlockchainSync() {
GetBlocksResponse response;
GetBlocksRequest req = getCommonHistory();
try {
if (!req.knownBlocks.empty()) {
asyncOperationCompleted = std::promise<std::error_code>();
asyncOperationWaitFuture = asyncOperationCompleted.get_future();
m_node.queryBlocks
(std::move(req.knownBlocks), req.syncStart.timestamp, response.newBlocks, response.startHeight,
std::bind(&BlockchainSynchronizer::onGetBlocksCompleted, this, std::placeholders::_1));
std::error_code ec = asyncOperationWaitFuture.get();
if (ec) {
setFutureStateIf(State::idle, std::bind(
[](State futureState) -> bool {
return futureState != State::stopped;
}, std::ref(m_futureState)));
m_observerManager.notify(&IBlockchainSynchronizerObserver::synchronizationCompleted, ec);
} else {
processBlocks(response);
}
}
} catch (std::exception& e) {
std::cout << e.what() << std::endl;
setFutureStateIf(State::idle, std::bind(
[](State futureState) -> bool {
return futureState != State::stopped;
}, std::ref(m_futureState)));
m_observerManager.notify(
&IBlockchainSynchronizerObserver::synchronizationCompleted,
std::make_error_code(std::errc::invalid_argument));
}
}
