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CONTRIBUTING.md

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Contributing

How to update dependencies

  1. Go to https://github.com/input-output-hk/plutus-apps/tags and take note of the latest plutus-starter-devcontainer tag and its commit hash.
  2. Update the tag and/or hash in the following files:
    • .devcontainer/devcontainer.json
    • nix/sources.json
    • nix/pkgs/haskell/haskell.nix
    • cabal.project
  3. Copy over most of https://github.com/input-output-hk/plutus-apps/blob/main/cabal.project into cabal.project
  4. Copy over the sha256map values from https://github.com/input-output-hk/plutus-apps/blob/main/nix/pkgs/haskell/haskell.nix into nix/pkgs/haskell/haskell.nix (but leave the first line that you just changed in step 2). To get the right hash value for plutus-apps, change one digit, then run nix-shell. You will get an error that shows the correct hash.
  5. It’s likely that the code for the guessing game needs to be changed; luckily, you can copy the source from https://github.com/input-output-hk/plutus-apps/blob/main/plutus-playground-server/usecases/Game.hs roughly, and it should work.
  6. Test the different parts:
    • VSCode
      • You need to make sure to rebuild the image
      • Then, once in VSCode, do cabal build and cabal test, and then make sure HLS works
    • nix
      • nix-shell
      • cabal build/cabal test