public async Task <IEnumerable <IOutput> > GetUnspentOutputs(IEnumerable <IOutput> outputs)
{
var enumerable = outputs.ToArray();
var ids = enumerable.Select(x => OutputEntity.GenerateId(x.TransactionHash, x.N)).ToArray();
var hs = new HashSet <string>();
while (ids.Any())
{
var part = ids.Take(200).ToArray();
var dbOutputs = await _storage.GetDataAsync(o => part.Contains(o.BsonId));
hs.UnionWith(dbOutputs.Select(x => x.BsonId));
ids = ids.Skip(200).ToArray();
}
return(enumerable.Where(x => !hs.Contains(OutputEntity.GenerateId(x.TransactionHash, x.N))));
}
public async Task RemoveSpentOutputs(IEnumerable <IOutput> outputs)
{
var ids = outputs.Select(x => OutputEntity.GenerateId(x.TransactionHash, x.N)).ToArray();
await _storage.DeleteAsync(o => ids.Contains(o.BsonId));
}