private async Task UpdateRepository(RPCClient client, DerivationSchemeTrackedSource trackedSource, Repository repo, ScanTxoutOutput[] outputs, ScannedItems scannedItems, ScanUTXOProgress progressObj)
{
var clientBatch = client.PrepareBatch();
var blockIdsByHeight = new ConcurrentDictionary <int, uint256>();
await Task.WhenAll(outputs.Select(async o =>
{
blockIdsByHeight.TryAdd(o.Height, await clientBatch.GetBlockHashAsync(o.Height));
}).Concat(new[] { clientBatch.SendBatchAsync() }).ToArray());
var data = outputs
.GroupBy(o => o.Coin.Outpoint.Hash)
.Select(o => (Coins: o.Select(c => c.Coin).ToList(),
BlockId: blockIdsByHeight.TryGet(o.First().Height),
TxId: o.Select(c => c.Coin.Outpoint.Hash).FirstOrDefault(),
KeyPathInformations: o.Select(c => scannedItems.KeyPathInformations[c.Coin.ScriptPubKey]).ToList()))
.Where(o => o.BlockId != null)
.Select(o =>
{
foreach (var keyInfo in o.KeyPathInformations)
{
var index = keyInfo.KeyPath.Indexes.Last();
var highest = progressObj.HighestKeyIndexFound[keyInfo.Feature];
if (highest == null || index > highest.Value)
{
progressObj.HighestKeyIndexFound[keyInfo.Feature] = (int)index;
}
}
return(o);
}).ToList();
var blockHeadersByBlockId = new ConcurrentDictionary <uint256, BlockHeader>();
clientBatch = client.PrepareBatch();
var gettingBlockHeaders = Task.WhenAll(data.Select(async o =>
{
blockHeadersByBlockId.TryAdd(o.BlockId, await clientBatch.GetBlockHeaderAsync(o.BlockId));
}).Concat(new[] { clientBatch.SendBatchAsync() }).ToArray());
await repo.SaveKeyInformations(scannedItems.
KeyPathInformations.
Select(p => p.Value).
Where(p =>
{
var highest = progressObj.HighestKeyIndexFound[p.Feature];
if (highest == null)
{
return(false);
}
return(p.KeyPath.Indexes.Last() <= highest.Value);
}).ToArray());
await repo.UpdateAddressPool(trackedSource, progressObj.HighestKeyIndexFound);
await gettingBlockHeaders;
DateTimeOffset now = DateTimeOffset.UtcNow;
await repo.SaveMatches(data.Select(o => new TrackedTransaction(new TrackedTransactionKey(o.TxId, o.BlockId, true), trackedSource, o.Coins, o.KeyPathInformations)
{
Inserted = now,
FirstSeen = blockHeadersByBlockId.TryGetValue(o.BlockId, out var header) && header != null ? header.BlockTime : NBitcoin.Utils.UnixTimeToDateTime(0)
}).ToArray());
public ScanUTXOWorkItem(NBXplorerNetwork network,
DerivationStrategyBase derivationStrategy)
{
Network = network;
DerivationStrategy = new DerivationSchemeTrackedSource(derivationStrategy);
Id = DerivationStrategy.ToString();
StartTime = DateTime.UtcNow;
}
private static TrackedSource GetTrackedSource(DerivationStrategyBase derivationScheme, BitcoinAddress address)
{
TrackedSource trackedSource = null;
if (address != null)
{
trackedSource = new AddressTrackedSource(address);
}
if (derivationScheme != null)
{
trackedSource = new DerivationSchemeTrackedSource(derivationScheme);
}
return(trackedSource);
}
private async Task UpdateRepository(DerivationSchemeTrackedSource trackedSource, Repository repo, SlimChain chain, ScanTxoutOutput[] outputs, ScannedItems scannedItems, ScanUTXOProgress progressObj)
{
var data = outputs
.GroupBy(o => o.Coin.Outpoint.Hash)
.Select(o => (Coins: o.Select(c => c.Coin).ToList(),
BlockId: chain.GetBlock(o.First().Height)?.Hash,
TxId: o.Select(c => c.Coin.Outpoint.Hash).FirstOrDefault(),
KeyPathInformations: o.Select(c => scannedItems.KeyPathInformations[c.Coin.ScriptPubKey]).ToList()))
.Where(o => o.BlockId != null)
.Select(o =>
{
foreach (var keyInfo in o.KeyPathInformations)
{
var index = keyInfo.KeyPath.Indexes.Last();
var highest = progressObj.HighestKeyIndexFound[keyInfo.Feature];
if (highest == null || index > highest.Value)
{
progressObj.HighestKeyIndexFound[keyInfo.Feature] = (int)index;
}
}
return(o);
}).ToList();
await repo.SaveKeyInformations(scannedItems.
KeyPathInformations.
Select(p => p.Value).
Where(p =>
{
var highest = progressObj.HighestKeyIndexFound[p.Feature];
if (highest == null)
{
return(false);
}
return(p.KeyPath.Indexes.Last() <= highest.Value);
}).ToArray());
await repo.UpdateAddressPool(trackedSource, progressObj.HighestKeyIndexFound);
DateTimeOffset now = DateTimeOffset.UtcNow;
await repo.SaveMatches(data.Select(o => new TrackedTransaction(new TrackedTransactionKey(o.TxId, o.BlockId, true), trackedSource, o.Coins, o.KeyPathInformations)).ToArray());
}
