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CONTRIBUTING.md

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Contributing

Hacking with Nix

The nix/ folder contains helper scripts for working with the ledger via Nix.

Installing

nix/install.sh will install both the wallet and baking apps. Use nix/install.sh s baking to install just the baking app or nix/install.sh s wallet to install just the wallet.

Developing

Use nix/env.sh <s or x> to enter a shell where you can run make and it will just work. You can also pass a command instead, e.g. nix/env.sh s --run "make clean SHELL=bash". All make commands should be prefixed with SHELL=bash. Check the Makefile to see what options exist

For development, use nix/watch.sh s make APP=<tezos_baking|tezos_wallet> to incrementally build on every change. Be sure to nix/env.sh s --run "make clean SHELL=bash" if you start watching a different APP.

Debugging

Set DEBUG=1 in the Makefile to so that the user-defined parse_error() macro provides a line-number. For printf style debugging see Ledger's official instructions

Building

To do a full Nix build run nix/build.sh. You can pass nix-build arguments to this to build specific attributes, e.g. nix/build.sh -A nano.s.wallet.

Using tezos-client

Set environment variable TEZOS_LOG="client.signer.ledger -> debug" when running tezos-client to get the byte-level IO being sent directly to/from the ledger

Editor Integration

Visual Studio Code

  1. Install llvm-vs-code-extensions.vscode-clangd extension.
  2. Run nix/setup-vscode.sh to create local configuration. Note that these files are non-relocatable so you need to rerun this if you move the directory.
  3. Restart Visual Studio Code.

Releasing

nix/build.sh -A nano.s.release.all

nix/build.sh -A nano.x.release.all

Notes on testing

See test/README.md