internal async Task ProcessDownloadJobAsync()
{
while (true)
{
var chain = await _blockchainService.GetChainAsync();
var jobInfo = await GetFirstAvailableWaitingJobAsync(chain);
try
{
if (!ValidateBeforeDownload(jobInfo))
{
return;
}
if (jobInfo.IsFinished)
{
await RemoveJobAndTargetStateAsync(jobInfo);
continue;
}
Logger.LogDebug(
$"Execute download job: CurrentTargetBlockHeight: {jobInfo.CurrentTargetBlockHeight}, TargetBlockHeight:{jobInfo.TargetBlockHeight}, SuggestedPeerPubkey:{jobInfo.SuggestedPeerPubkey}.");
var downloadResult = await DownloadBlocksAsync(chain, jobInfo);
if (downloadResult.DownloadBlockCount == 0)
{
Logger.LogDebug(
$"Download block job finished: CurrentTargetBlockHeight: {jobInfo.CurrentTargetBlockHeight}, TargetBlockHeight:{jobInfo.TargetBlockHeight}.");
await RemoveJobAndTargetStateAsync(jobInfo);
continue;
}
_blockDownloadService.RemoveDownloadJobTargetState(jobInfo.CurrentTargetBlockHash);
jobInfo.Deadline = TimestampHelper.GetUtcNow().AddMilliseconds(downloadResult.DownloadBlockCount * 300);
jobInfo.CurrentTargetBlockHash = downloadResult.LastDownloadBlockHash;
jobInfo.CurrentTargetBlockHeight = downloadResult.LastDownloadBlockHeight;
jobInfo.IsFinished = downloadResult.DownloadBlockCount < _blockSyncOptions.MaxBlockDownloadCount;
await _blockDownloadJobStore.UpdateAsync(jobInfo);
Logger.LogDebug(
$"Current download block job finished: CurrentTargetBlockHeight: {jobInfo.CurrentTargetBlockHeight}.");
return;
}
catch (Exception e)
{
await RemoveJobAndTargetStateAsync(jobInfo);
Logger.LogError(e, "Handle download job failed.");
throw;
}
}
}
public void RemoveDownloadJobTargetState_Test()
{
var targetHash = HashHelper.ComputeFrom("TargetHash");
_blockSyncStateProvider.SetDownloadJobTargetState(targetHash, true);
_blockDownloadService.RemoveDownloadJobTargetState(null);
_blockSyncStateProvider.TryGetDownloadJobTargetState(targetHash, out _).ShouldBeTrue();
_blockDownloadService.RemoveDownloadJobTargetState(targetHash);
_blockSyncStateProvider.TryGetDownloadJobTargetState(targetHash, out _).ShouldBeFalse();
}
internal async Task ProcessDownloadJobAsync()
{
while (true)
{
var chain = await _blockchainService.GetChainAsync();
var jobInfo = await GetFirstAvailableWaitingJobAsync(chain);
if (!ValidateBeforeDownload(jobInfo))
{
return;
}
var downloadResult = await DownloadBlocksAsync(chain, jobInfo);
if (downloadResult.DownloadBlockCount == 0)
{
Logger.LogDebug(
$"Download block job finished: CurrentTargetBlockHeight: {jobInfo.CurrentTargetBlockHeight}, TargetBlockHeight:{jobInfo.TargetBlockHeight}.");
await RemoveJobAndTargetStateAsync(jobInfo);
continue;
}
_blockDownloadService.RemoveDownloadJobTargetState(jobInfo.CurrentTargetBlockHash);
jobInfo.Deadline = TimestampHelper.GetUtcNow().AddMilliseconds(downloadResult.DownloadBlockCount * 300);
jobInfo.CurrentTargetBlockHash = downloadResult.LastDownloadBlockHash;
jobInfo.CurrentTargetBlockHeight = downloadResult.LastDownloadBlockHeight;
await _blockDownloadJobStore.UpdateAsync(jobInfo);
Logger.LogDebug(
$"Current download block job finished: CurrentTargetBlockHeight: {jobInfo.CurrentTargetBlockHeight}.");
return;
}
}