public async Task <bool> EnsurePreviousLoadedAsync(OrderedBalanceChange change)
{
if (!NeedLoading(change))
{
return(true);
}
var transactions =
await GetTransactionsAsync(false, ColoredBalance, change.SpentOutpoints.Select(s => s.Hash).ToArray()).ConfigureAwait(false);
CoinCollection result = new CoinCollection();
for (int i = 0; i < transactions.Length; i++)
{
var outpoint = change.SpentOutpoints[i];
if (outpoint.IsNull)
{
continue;
}
var prev = transactions[i];
if (prev == null)
{
return(false);
}
if (ColoredBalance && prev.ColoredTransaction == null)
{
return(false);
}
result.Add(new Coin(outpoint, prev.Transaction.Outputs[change.SpentOutpoints[i].N]));
}
change.SpentCoins = result;
if (ColoredBalance && change.ColoredBalanceChangeEntry == null)
{
var thisTransaction = await GetTransactionAsync(false, ColoredBalance, change.TransactionId).ConfigureAwait(false);
if (thisTransaction.ColoredTransaction == null)
{
return(false);
}
change.ColoredBalanceChangeEntry = new ColoredBalanceChangeEntry(change, thisTransaction.ColoredTransaction);
}
var entity = change.ToEntity();
var spentCoins = Helper.GetEntityProperty(entity, "b");
var coloredTx = ColoredBalance ? entity.Properties["g"].BinaryValue : null;
entity.Properties.Clear();
if (coloredTx != null)
{
entity.Properties.Add("g", new EntityProperty(coloredTx));
}
Helper.SetEntityProperty(entity, "b", spentCoins);
Configuration.GetBalanceTable().Execute(TableOperation.Merge(entity));
change.AddRedeemInfo();
return(true);
}
private bool NeedLoading(OrderedBalanceChange change)
{
if (change.SpentCoins != null)
{
if (change.ColoredBalanceChangeEntry != null || !ColoredBalance)
{
change.AddRedeemInfo();
return(false);
}
}
return(true);
}