internal static ReadOnlyCollection <TokenTransfer> Create(RepeatedField <Proto.TokenTransferList> list)
{
if (list != null && list.Count > 0)
{
var collector = new Dictionary <(Address, Address), long>();
foreach (var xferList in list)
{
var token = xferList.Token.AsAddress();
foreach (var xfer in xferList.Transfers)
{
var key = (token, xfer.AccountID.AsAddress());
collector.TryGetValue(key, out long amount);
collector[key] = amount + xfer.Amount;
}
}
var result = new List <TokenTransfer>(collector.Count);
foreach (var entry in collector)
{
result.Add(new TokenTransfer(entry.Key.Item1, entry.Key.Item2, entry.Value));
}
return(result.AsReadOnly());
}
return(EMPTY_RESULT);
}