public async Task <IReadOnlyList <DataDeliveryReceiptDetails> > BrowseAsync(Keccak?depositId = null, Keccak?dataAssetId = null, Keccak?sessionId = null)
{
var receipts = Receipts.AsQueryable();
if (!(depositId is null))
{
receipts = receipts.Where(c => c.DepositId == depositId);
}
if (!(dataAssetId is null))
{
receipts = receipts.Where(c => c.DataAssetId == dataAssetId);
}
if (!(sessionId is null))
{
receipts = receipts.Where(c => c.SessionId == sessionId);
}
return(await receipts.OrderBy(s => s.Number).ToListAsync());
}