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Add Flutter wallet example scaffold #96

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@tiero tiero commented Aug 1, 2025 •
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Summary

  • add a flutter_wallet_example folder containing a sample Flutter app and a minimal FFI Rust crate
  • document how the example connects to https://mutinynet.arkade.sh

Testing

  • cargo test --all --no-run

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vincenzopalazzo
vincenzopalazzo reviewed Aug 4, 2025
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Probably, this is not that easy if we do not want to keep updating the Flutter FFI with every small change in everything.

I spend a lot of time thinking about this kind of libraries for rust when I was designing lampo, and I think the best way is writing the library in rust as a separate module like arkade-ffi where there is a rust implementation of the API that we want to expose to the user, then use https://pub.dev/packages/flutter_rust_bridge to generate the dart package

An example is https://github.com/vincenzopalazzo/lampo.rs/blob/main/lampo-c-ffi/src/lib.rs

This allow you to keep the type safety of rust because the you need to check only the function parameters, then implement a better error handling that will be lost otherwise (or will be very difficult to keep across ffi channels due the Option vs Exceptions)

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tiero commented Aug 4, 2025

my goal wasn't to have a solution for production apps or either merge it, just wanted to have a single place I can point people with Rust & Flutter experience what to look into and how the bindings would look like and ability to start hacking on it.

At the moment we don't have plans to start a native dart library (pending MuSig2 support) or either official Flutter bindings, so I would postpone the decision and leave to external contributor to iterate on it.

Thank you for the insights

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bonomat commented Aug 5, 2025

@tiero : is your intention to move https://github.com/ArkLabsHQ/ark-flutter-example into this repository?

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tiero commented Aug 5, 2025

@tiero : is your intention to move https://github.com/ArkLabsHQ/ark-flutter-example into this repository?

I wanted to have a barebone example close to the actual code here, I was not thinking of a full fledged flutter app. Open to proposals to simplify eventually

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@tiero @bonomat @vincenzopalazzo