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nostr:nprofile1qqsyvrp9u6p0mfur9dfdru3d853tx9mdjuhkphxuxgfwmryja7zsvhqpz9mhxue69uhkummnw3ezuamfdejj7qgswaehxw309ahx7um5wghx6mmd9uq3wamnwvaz7tmkd96x7u3wdehhxarjxyhxxmmd9ukfdvuv nostr:nprofile1qqs9pk20ctv9srrg9vr354p03v0rrgsqkpggh2u45va77zz4mu5p6ccpzemhxue69uhk2er9dchxummnw3ezumrpdejz7qgkwaehxw309a5xjum59ehx7um5wghxcctwvshszrnhwden5te0dehhxtnvdakz7qrxnfk

#asknostr #cashu

Is there a Kotlin library that can be used to create a Cashu wallet over Nostr (NIP-60)?

Otherwise what would you say is the best approach for a native Kotlin + Compose android app without writing the library from scratch? I am not sure whether Rust bindings and/or J2V8 for typescript libraries (NDK) is the only/correct option.

calle 5mo ago

CDK ffi Kotlin bindings are working great once set up, I've implemented a wallet with it this week nostr:nprofile1qqsqfyvdlsmvj0nakmxq6c8n0c2j9uwrddjd8a95ynzn9479jhlth3gpvemhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c33w94xwcmdd3cxketedsux6ertwecrgues0pk8xdrew33h27pkd4unvvpkw3nkv7pe0p68gat58ycrw6ps0fenwdnvva48w0mzwfhkzerrv9ehg0t5wf6k2qgnwaehxw309ac82unsd3jhqct89ejhxtcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsh8njvk

we've just started using it so it's early stage but you can implement a whole wallet with it and it comes with batteries included

unsure if you could make a full nip-60 wallet with it at this stage since that requires full access to the proofs database

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Discussion

ciori 5mo ago

So is Nostr Development Kit (in typescript/javascript) currently the only option for a full NIP-60 wallet implementation? I am no cashu or dev expert, but wanted to try something out, mainly for an Android app.

Vitor Pamplona 5mo ago

Not yet, but I definitely want to add into Quartz. If you are looking into it, feel free to push that over there. I would def use it on Amethyst at some point.

Also, if you do anything with Quartz, make sure to check the full outbox branch because there are a lot of changes to the base lib.

thesimplekid 5mo ago

Cdk doesn’t have a db implementation for nip60 right now it’s not a limitation of the bindings. May not be too hard to implement with nostr-sdk. Once we have that would be easy to expose to the bindings.