Foundry Plugin Error - Contract Name "IERC721TokenReceiver" Must Be Unique

[alexx855]

Bug description

When setting up a new create wagmi project and configuring Foundry according to the documentation, an error occurs during the wagmi generate command. The error message indicates that the contract name "IERC721TokenReceiver" must be unique.

Steps to Reproduce

1. Initialize a new create wagmi project.
2. Configure Foundry wagmi plugin.
3. Create a new Foundry project using forge init.
4. Attempt to generate wagmi artifacts with wagmi generate.

> wagmi generate
✔ Validating plugins
⠹ Resolving contracts
Contract name "IERC721TokenReceiver" must be unique.
 ELIFECYCLE  Command failed with exit code 1.

My Configuration File (wagmi.config.ts)

export default defineConfig({
  out: 'src/generated.ts',
  contracts: [],
  plugins: [
    foundry({
      project: '../hello_foundry',
    }),
  ],
})

Cause

The issue is caused by a conflict with forge-std version 1.8.0 or higher, which is installed by default with Foundry.

Solution

To resolve this issue, i downgraded forge-std to version 1.7.6. Following these steps:

1. Remove the current version of forge-std:

forge remove foundry-rs/forge-std
git commit -m "Removed foundry-rs/forge-std"

2. Install version 1.7.6 of forge-std:

forge install foundry-rs/forge-std@v1.7.6
forge clean

Link to Minimal Reproducible Example

No response

Steps To Reproduce

No response

Wagmi Version

latest

Viem Version

latest

TypeScript Version

5.2.2

Check existing issues

• I checked there isn't already an issue for the bug I encountered.

Anything else?

Let me know if i can help somehow!

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