Forc build doesn't work on v0.49.3

Sway
1

I try to build the contract using forc build, but it fails:

Error: failed to fetch `https://github.com/fuellabs/sway`. Check your connection or run in `--offline` mode

I definitely don’t have problems with the internet. Running forc build --offline also doesn’t work:

Error: Unable to fetch pkg "std" from  Url { url: Url { scheme: Https, user: None, password: None, host: Some("github.com"), serialize_alternative_form: false, port: None, path: "/fuellabs/sway" } } in offline mode

Here’s the result of fuelup show:

fuelup show 
Default host: aarch64-apple-darwin
fuelup home: /Users/dzakh/.fuelup

installed toolchains
--------------------
latest-aarch64-apple-darwin (default)

active toolchain
----------------
latest-aarch64-apple-darwin (default)
  forc : 0.49.3
    - forc-client
      - forc-deploy : 0.49.3
      - forc-run : 0.49.3
    - forc-crypto : 0.49.3
    - forc-debug : Could not parse version (empty string, expected a semver version)
    - forc-doc : 0.49.3
    - forc-explore : 0.28.1
    - forc-fmt : 0.49.3
    - forc-lsp : 0.56.0
    - forc-tx : 0.49.3
    - forc-wallet : 0.4.3
  fuel-core : 0.22.4
  fuel-core-keygen : 0.22.4

fuels versions
--------------
forc : 0.54.0
forc-wallet : 0.54.0

Thank you so much for your attention and participation :smiling_face:

Btw, it’s a little bit unrelated, but I’m letting you know that the command from the quickstart fails since the latest version is 0.82.0 instead of 82.0.

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1 Like
2

Hey @DZakh_envio.dev, can you try looking at this forum post with a similar issue and can you try this solution as it worked for them. Please lmk if the error still persists. Thanks

3

This solution resolved my problem. Thank you.

By the way, I’d like to share some of the gotchas I had while experimenting with building a simple contract. I hope they will be useful for the Fuel team:

  • No documentation on how to handle errors, e.g., no explanation on how to use require, revert , or what happens with .unwrap called on Result.
  • Quite many issues with making str work. Not possible to use it in storage. The try_as_str_array method from documentation wasn’t found on str type
  • No documentation for storage_api . I found the clear function by guessing
4

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