Python HMAC to dart
Budget: $250 – $750 SGD
This is the file in Python and it needs to be coded to dart using https://pub.dev/packages/pointycastle
https://github.com/AmalieDue/py-multisig-hmac/blob/master/multisig_hmac/multisig_hmac.py
https://github.com/AmalieDue/py-multisig-hmac/blob/master/multisig_hmac/multisig_hmac.py