public void Put(uint256 txId, ColoredTransaction tx)
{
if (!_ColoredTransactions.ContainsKey(txId))
{
_ColoredTransactions.Add(txId, tx);
}
else
{
_ColoredTransactions[txId] = tx;
}
_Inner.Put(txId, tx);
}
private static ColoredTransaction FetchColorsWithAncestorsSolved(uint256 txId, Transaction tx, IColoredTransactionRepository repo)
{
ColoredTransaction colored = new ColoredTransaction();
Queue <ColoredEntry> previousAssetQueue = new Queue <ColoredEntry>();
for (uint i = 0; i < tx.Inputs.Count; i++)
{
var txin = tx.Inputs[i];
var prevColored = repo.Get(txin.PrevOut.Hash);
if (prevColored == null)
{
continue;
}
var prevAsset = prevColored.GetColoredEntry(txin.PrevOut.N);
if (prevAsset != null)
{
var input = new ColoredEntry()
{
Index = i,
Asset = prevAsset.Asset
};
previousAssetQueue.Enqueue(input);
colored.Inputs.Add(input);
}
}
uint markerPos = 0;
var marker = ColorMarker.Get(tx, out markerPos);
if (marker == null)
{
repo.Put(txId, colored);
return(colored);
}
colored.Marker = marker;
if (!marker.HasValidQuantitiesCount(tx))
{
repo.Put(txId, colored);
return(colored);
}
AssetId issuedAsset = null;
for (uint i = 0; i < markerPos; i++)
{
var entry = new ColoredEntry();
entry.Index = i;
entry.Asset.Quantity = i >= marker.Quantities.Length ? 0 : marker.Quantities[i];
if (entry.Asset.Quantity == 0)
{
continue;
}
if (issuedAsset == null)
{
var txIn = tx.Inputs.FirstOrDefault();
if (txIn == null)
{
continue;
}
var prev = repo.Transactions.Get(txIn.PrevOut.Hash);
if (prev == null)
{
throw new TransactionNotFoundException("This open asset transaction is issuing assets, but it needs a parent transaction in the TransactionRepository to know the address of the issued asset (missing : " + txIn.PrevOut.Hash + ")", txIn.PrevOut.Hash);
}
issuedAsset = prev.Outputs[(int)txIn.PrevOut.N].ScriptPubKey.Hash.ToAssetId();
}
entry.Asset.Id = issuedAsset;
colored.Issuances.Add(entry);
}
ulong used = 0;
for (uint i = markerPos + 1; i < tx.Outputs.Count; i++)
{
var entry = new ColoredEntry();
entry.Index = i;
//If there are less items in the asset quantity list than the number of colorable outputs (all the outputs except the marker output), the outputs in excess receive an asset quantity of zero.
entry.Asset.Quantity = (i - 1) >= marker.Quantities.Length ? 0 : marker.Quantities[i - 1];
if (entry.Asset.Quantity == 0)
{
continue;
}
//If there are less asset units in the input sequence than in the output sequence, the transaction is considered invalid and all outputs are uncolored.
if (previousAssetQueue.Count == 0)
{
colored.Transfers.Clear();
colored.Issuances.Clear();
repo.Put(txId, colored);
return(colored);
}
entry.Asset.Id = previousAssetQueue.Peek().Asset.Id;
var remaining = entry.Asset.Quantity;
while (remaining != 0)
{
if (previousAssetQueue.Count == 0 || previousAssetQueue.Peek().Asset.Id != entry.Asset.Id)
{
colored.Transfers.Clear();
colored.Issuances.Clear();
repo.Put(txId, colored);
return(colored);
}
var assertPart = Math.Min(previousAssetQueue.Peek().Asset.Quantity - used, remaining);
remaining = remaining - assertPart;
used += assertPart;
if (used == previousAssetQueue.Peek().Asset.Quantity)
{
previousAssetQueue.Dequeue();
used = 0;
}
}
colored.Transfers.Add(entry);
}
repo.Put(txId, colored);
return(colored);
}