Avatar
calle 2y ago

Any JS dev who wants to play with libsecp256k1 (the bitcoin ECC curve) and Cashu?

Trying to reproduce the crypto test vectors from the Cashu python client (https://github.com/cashubtc/cashu/blob/main/tests/test_crypto.py) in the Cashu JS wallet lib but it's not working for all vectors https://github.com/cashubtc/cashu-js/blob/main/test/test_crypto.js

Reply to this note

Please Login to reply.

Discussion

Avatar
calle 2y ago

Please join us :) https://t.me/CashuBTC

Avatar
SPA (Super Phat Arrow) 2y ago

```

const r = bytesToNumber(r_bytes);

const P = Point.fromPrivateKey(r);

```

I'm not sure if this is where your bug is happening, but you don't need r because r_bytes is fine as a parameter for Point.fromPrivateKey so it is an unnecessary calculation.

I suggest using Typescript as having stricter types helps find bugs.

I am looking further to see if I can find anything wrong...