dark horse

Results 2 comments of dark horse

> Let's not use the outdated approach of approve() and transfer_from(). The probem with this is that this is a two step procedure, while it is possible to do it...

just made some changes to my snarkos version [here](https://github.com/puzzlehq/snarkOS/commit/84b2659dec8a87a0edd71b4c4ca1223f640989ea) locally and deployed to capture num of variables for now, but could possibly take this work up depending on best approach...