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Plutus Pioneer Program
Setting up Plutus Playground
How do I run "cabal build" / "cabal repl"?
How to get VSCode autocomplete working?
Cardano CLI Testnet
Setting up Cardano Node
Configuring Cardano CLI
Generating Payment Keys and Address
Minting Native tokens
Cardano CLI Mainnet
Setting up Cardano Node
deprecated
Installing GHC and Cabal [Deprecated]
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How to get VSCode autocomplete working?
Step 1: Install vscode.
Step 2: Install Haskell extension.
Step 3: Open nix-shell :
cd plutus
nix-shell
Step 4: cd to your code directory, then run code . , for example:
cd ../plutus-pioneer-program/code/week02/
code .
Now you should have features like "Autocomplete", "Type information" working.

Troubleshooting

Plugin errors

Error:
Program error: GHC Core to PLC plugin: E043:Error: Reference to a name which is not a local, a builtin, or an external...
You can check the solution provided by IOHK, I tried it but it didn't work for me, I think we have just to live with it for the time being: https://github.com/input-output-hk/plutus/blob/master/doc/plutus/tutorials/troubleshooting.rst#plugin-errors​

Haskell language server issues

Error:
ghcide compiled against GHC 8.10.3 but currently using 8.10.2.20201118

For MacOS

(This information is provided by community member jeppeman from Plutus pioneer program.)
Hey, been fighting with an issue during the day related to MacOS and HLS (haskell language server), so I thought I'd drop the solution here in case anyone else is experiencing the same thing: On MacOS Catalina (maybe other versions as well), if HLS is not dynamically linked, it crashes when working with files that contain template haskell (which incidentally all plutus smart contracts do). This error manifests itself by stating: The Haskell (<proj>) server crashed 5 times in the last 3 minutes. The server will not be restarted. in the editor (in my case vim). In order to get rid of this issue HLS has to be built from source with dynamic linking enabled, see the following comment for more info: https://github.com/haskell/haskell-language-server/issues/1160#issuecomment-756566273​
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How do I run "cabal build" / "cabal repl"?
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Outline
Troubleshooting
Plugin errors
Haskell language server issues
For MacOS