private async Task SaveMatches(Block block)
{
block.Header.PrecomputeHash(false, false);
Download o;
if (_InFlights.ContainsKey(block.GetHash()))
{
var currentLocation = Chain.GetLocator(block.GetHash());
if (currentLocation == null)
{
return;
}
CurrentLocation = currentLocation;
if (_InFlights.TryRemove(block.GetHash(), out o))
{
foreach (var tx in block.Transactions)
{
tx.PrecomputeHash(false, true);
}
var blockHash = block.GetHash();
DateTimeOffset now = DateTimeOffset.UtcNow;
var matches =
block.Transactions
.Select(tx => Repository.GetMatches(tx, blockHash, now))
.ToArray();
await Task.WhenAll(matches);
await SaveMatches(matches.SelectMany((Task <TrackedTransaction[]> m) => m.GetAwaiter().GetResult()).ToArray(), blockHash, now);
//Save index progress everytimes if not synching, or once every 100 blocks otherwise
if (!IsSynching() || blockHash.GetLow32() % 100 == 0)
{
await Repository.SetIndexProgress(currentLocation);
}
var slimBlockHeader = Chain.GetBlock(blockHash);
if (slimBlockHeader != null)
{
var blockEvent = new Models.NewBlockEvent()
{
CryptoCode = _Repository.Network.CryptoCode,
Hash = blockHash,
Height = slimBlockHeader.Height,
PreviousBlockHash = slimBlockHeader.Previous
};
var saving = Repository.SaveEvent(blockEvent);
_EventAggregator.Publish(blockEvent);
await saving;
}
}
if (_InFlights.Count == 0)
{
AskBlocks();
}
}
}
private async Task SaveMatches(Block block)
{
block.Header.PrecomputeHash(false, false);
foreach (var tx in block.Transactions)
{
tx.PrecomputeHash(false, true);
}
var blockHash = block.GetHash();
var delay = TimeSpan.FromSeconds(1);
retry:
try
{
DateTimeOffset now = DateTimeOffset.UtcNow;
var matches =
(await Repository.GetMatches(block.Transactions, blockHash, now, true))
.ToArray();
await SaveMatches(matches, blockHash, now, true);
var slimBlockHeader = Chain.GetBlock(blockHash);
if (slimBlockHeader != null)
{
var blockEvent = new Models.NewBlockEvent()
{
CryptoCode = _Repository.Network.CryptoCode,
Hash = blockHash,
Height = slimBlockHeader.Height,
PreviousBlockHash = slimBlockHeader.Previous
};
await Repository.SaveEvent(blockEvent);
_EventAggregator.Publish(blockEvent);
_EventAggregator.Publish(new RawBlockEvent(block, this.Network), true);
}
}
catch (ObjectDisposedException)
{
throw;
}
catch (Exception ex)
{
Logs.Explorer.LogWarning(ex, $"{Network.CryptoCode}: Error while saving block in database, retrying in {delay.TotalSeconds} seconds ({ex.Message})");
await Task.Delay(delay, _Cts.Token);
delay = delay * 2;
var maxDelay = TimeSpan.FromSeconds(60);
if (delay > maxDelay)
{
delay = maxDelay;
}
goto retry;
}
}
private async Task SaveMatches(Block block)
{
block.Header.PrecomputeHash(false, false);
foreach (var tx in block.Transactions)
{
tx.PrecomputeHash(false, true);
}
var blockHash = block.GetHash();
DateTimeOffset now = DateTimeOffset.UtcNow;
var matches =
block.Transactions
.Select(tx => Repository.GetMatches(tx, blockHash, now))
.ToArray();
await Task.WhenAll(matches);
await SaveMatches(matches.SelectMany((Task <TrackedTransaction[]> m) => m.GetAwaiter().GetResult()).ToArray(), blockHash, now);
var slimBlockHeader = Chain.GetBlock(blockHash);
if (slimBlockHeader != null)
{
var blockEvent = new Models.NewBlockEvent()
{
CryptoCode = _Repository.Network.CryptoCode,
Hash = blockHash,
Height = slimBlockHeader.Height,
PreviousBlockHash = slimBlockHeader.Previous
};
var saving = Repository.SaveEvent(blockEvent);
_EventAggregator.Publish(blockEvent);
await saving;
}
if (_InFlights.TryRemove(blockHash, out var unused) && _InFlights.IsEmpty)
{
var highestInFlight = _HighestInFlight;
_HighestInFlight = null;
if (highestInFlight != null)
{
CurrentLocation = highestInFlight;
await Repository.SetIndexProgress(highestInFlight);
}
AskBlocks();
}
}
private async Task SaveMatches(Block block)
{
block.Header.PrecomputeHash(false, false);
foreach (var tx in block.Transactions)
{
tx.PrecomputeHash(false, true);
}
var blockHash = block.GetHash();
var delay = TimeSpan.FromSeconds(1);
retry:
try
{
DateTimeOffset now = DateTimeOffset.UtcNow;
var matches =
block.Transactions
.Select(tx => Repository.GetMatches(tx, blockHash, now, true))
.ToArray();
await Task.WhenAll(matches);
await SaveMatches(matches.SelectMany((Task <TrackedTransaction[]> m) => m.GetAwaiter().GetResult()).ToArray(), blockHash, now);
var slimBlockHeader = Chain.GetBlock(blockHash);
if (slimBlockHeader != null)
{
var blockEvent = new Models.NewBlockEvent()
{
CryptoCode = _Repository.Network.CryptoCode,
Hash = blockHash,
Height = slimBlockHeader.Height,
PreviousBlockHash = slimBlockHeader.Previous
};
var saving = Repository.SaveEvent(blockEvent);
_EventAggregator.Publish(blockEvent);
await saving;
}
}
catch (Exception ex)
{
Logs.Explorer.LogWarning(ex, $"{Network.CryptoCode}: Error while saving block in database, retrying in {delay.TotalSeconds} seconds");
await Task.Delay(delay);
delay = delay * 2;
var maxDelay = TimeSpan.FromSeconds(60);
if (delay > maxDelay)
{
delay = maxDelay;
}
goto retry;
}
if (_InFlights.TryRemove(blockHash, out var unused) && _InFlights.IsEmpty)
{
var highestInFlight = _HighestInFlight;
_HighestInFlight = null;
if (highestInFlight != null)
{
CurrentLocation = highestInFlight;
await Repository.SetIndexProgress(highestInFlight);
}
AskBlocks();
}
}
