public override IEnumerable <Vote> GetVotes(IEnumerable <Transaction> others)
{
ReadOptions options = new ReadOptions();
using (options.Snapshot = db.GetSnapshot())
{
int height;
foreach (var kv in db.Find(options, SliceBuilder.Begin(DataEntryPrefix.IX_Vote), (k, v) => new { Key = k, Value = v }))
{
UInt256 hash = new UInt256(kv.Key.ToArray().Skip(1).ToArray());
ushort[] indexes = kv.Value.ToArray().GetUInt16Array().Except(others.SelectMany(p => p.GetAllInputs()).Where(p => p.PrevHash == hash).Select(p => p.PrevIndex)).ToArray();
if (indexes.Length == 0)
{
continue;
}
VotingTransaction tx = (VotingTransaction)GetTransaction(options, hash, out height);
yield return(new Vote
{
Enrollments = tx.Enrollments,
Count = indexes.Sum(p => tx.Outputs[p].Value)
});
}
}
foreach (VotingTransaction tx in others.OfType <VotingTransaction>())
{
yield return(new Vote
{
Enrollments = tx.Enrollments,
Count = tx.Outputs.Where(p => p.AssetId == AntShare.Hash).Sum(p => p.Value)
});
}
}
private bool VoteEnrollments()
{
if (altStack.Count < 1)
{
return(false);
}
VotingTransaction tx = altStack.Pop().GetInterface <VotingTransaction>();
if (tx == null)
{
return(false);
}
stack.Push(new StackItem(tx.Enrollments));
return(true);
}
private bool VoteEnrollments(ScriptEngine engine)
{
if (engine.AltStack.Count < 1)
{
return(false);
}
VotingTransaction tx = engine.AltStack.Pop().GetInterface <VotingTransaction>();
if (tx == null)
{
return(false);
}
engine.Stack.Push(new StackItem(tx.Enrollments));
return(true);
}
