public string Sign(TokenPayload payload) { //var issue = _context.TokenIssueList.CreateProxy(); var issue = new TokenIssueList(); { issue.HoldingAccount = payload.AccountId; issue.Reason = (int)payload.Purpose; issue.IssueTime = _time.UtcNow; issue.ValidUntil = payload.ValidTo; }; _context.TokenIssueList.Add(issue); _context.SaveChanges(); payload.TokenId = issue.TokenSerial; return(_signer.Encode(payload.ToPayloadBytes())); }