private UTXOChange SetUTXOChange(UTXOStates states, UTXOState substract = null)
{
substract = substract ?? new UTXOState();
var substractedSpent = new HashSet <OutPoint>(substract.SpentUTXOs);
var substractedReceived = new HashSet <OutPoint>(substract.UTXOByOutpoint.Select(u => u.Key));
UTXOChange change = new UTXOChange();
change.KnownBookmark = states.Known == null ? null : states.Known.CurrentBookmark;
change.Bookmark = states.Actual.CurrentBookmark;
states.Known = states.Known ?? new UTXOState();
foreach (var coin in states.Actual.UTXOByOutpoint)
{
if (!states.Known.UTXOByOutpoint.ContainsKey(coin.Key) &&
!substractedReceived.Contains(coin.Key))
{
change.UTXOs.Add(new UTXO(coin.Value));
}
}
foreach (var outpoint in states.Actual.SpentUTXOs)
{
if (!states.Known.SpentUTXOs.Contains(outpoint) &&
(states.Known.UTXOByOutpoint.ContainsKey(outpoint) || substractedReceived.Contains(outpoint)) &&
!substractedSpent.Contains(outpoint))
{
change.SpentOutpoints.Add(outpoint);
}
}
return(change);
}
private UTXOChange SetUTXOChange(UTXOStates states, UTXOState substract = null)
{
substract = substract ?? new UTXOState();
var substractedSpent = new HashSet <OutPoint>(substract.SpentOutpoints);
var substractedReceived = new HashSet <OutPoint>(substract.CoinsByOutpoint.Select(u => u.Key));
UTXOChange change = new UTXOChange();
change.Reset = states.Known == null;
change.Hash = states.Actual.CurrentHash;
states.Known = states.Known ?? new UTXOState();
foreach (var coin in states.Actual.CoinsByOutpoint)
{
if (!states.Known.CoinsByOutpoint.ContainsKey(coin.Key) &&
!substractedReceived.Contains(coin.Key))
{
change.UTXOs.Add(new UTXO()
{
Outpoint = coin.Key, Output = coin.Value.TxOut
});
}
}
foreach (var outpoint in states.Actual.SpentOutpoints)
{
if (!states.Known.SpentOutpoints.Contains(outpoint) &&
states.Known.CoinsByOutpoint.ContainsKey(outpoint) &&
!substractedSpent.Contains(outpoint))
{
change.SpentOutpoints.Add(outpoint);
}
}
return(change);
}