public async Task <bool> MakeTransfer(Transfer transfer)
{
var sender = JsonSerializer.Deserialize <Account>(await _redisDAL.GetHashOneAsync("Accounts", transfer.SenderAccountNumber));
var receiver = JsonSerializer.Deserialize <Account>(await _redisDAL.GetHashOneAsync("Accounts", transfer.ReceiverAccountNumber));
sender.Balance -= transfer.Amount;
receiver.Balance += transfer.Amount;
return(await _accountDAL.MakeTransfer(transfer.SenderAccountNumber,
transfer.ReceiverAccountNumber,
JsonSerializer.Serialize(sender),
JsonSerializer.Serialize(receiver)));
}