public void GetUtxoOutputByIndex(out Span <byte> commitment, out Span <byte> destinationKey, ulong tagId, int index)
{
if (!_utxoOutputsIndiciesMap.ContainsKey(index))
{
throw new ArgumentOutOfRangeException(nameof(index));
}
UtxoOutput utxoOutput = null;
if (tagId == 0)
{
ulong utxoOutputId = _utxoOutputsIndiciesMap[index];
lock (_sync)
{
utxoOutput = _dataContext.UtxoOutputs.FirstOrDefault(u => u.UtxoOutputId == utxoOutputId);
}
}
else
{
lock (_sync)
{
utxoOutput = _dataContext.UtxoOutputs.Skip(index).FirstOrDefault();
}
}
commitment = utxoOutput.Commitment;
destinationKey = utxoOutput.DestinationKey;
}
private UtxoOutput GetOrAddUtxoOutput(ulong tagId, Span <byte> commitment, Span <byte> destinationKey)
{
lock (_sync)
{
byte[] commitmentBytes = commitment.ToArray();
byte[] destinationKeyBytes = destinationKey.ToArray();
UtxoOutput utxoOutput = _dataContext.UtxoOutputs.FirstOrDefault(b => b.Commitment.Equals32(commitmentBytes) && b.DestinationKey.Equals32(destinationKeyBytes));
if (utxoOutput == null)
{
utxoOutput = new UtxoOutput
{
TagId = tagId,
Commitment = commitmentBytes,
DestinationKey = destinationKeyBytes
};
_dataContext.UtxoOutputs.Add(utxoOutput);
_dataContext.SaveChanges();
_utxoOutputsIndiciesMap.Add(_utxoOutputsIndiciesMap.Count, utxoOutput.UtxoOutputId);
}
return(utxoOutput);
}
}
public UtxoView(UtxoOutput utxo)
{
Title = "UTXO";
Content = new StackLayout
{
Margin = 5,
Children =
{
new Label {
Text = utxo.ToString(),
}
}
};
}
public UtxoDisplay(UtxoOutput u)
{
this.utxo = u;
this.Header = "Value: " + u.value;
this.Detail = "Script: " + Convert.ToBase64String(u.script);
}
