Update MetaMask connector

[DanielSinclair]

Summary

• restore MetaMask connector id
• keep existing QR code logic while using wagmi MetaMask connector
• update wallet button tests

Testing

• pnpm lint
• pnpm test

---

https://chatgpt.com/codex/tasks/task_e_6840dcfc2aec8325a84889c10b1337b8

---

PR-Codex overview

This PR refactors the metaMaskWallet implementation to utilize the wagmi library for creating connectors, streamlining the integration with MetaMask and enhancing mobile deep linking capabilities. It also simplifies the logic for determining whether MetaMask is injected.

Detailed summary

• Replaced the old import statements with createConnector and metaMask from wagmi.
• Removed the extensive isMetaMask function for checking MetaMask compatibility.
• Updated the getUri function to simplify URI handling for MetaMask mobile.
• Changed shouldUseWalletConnect to shouldUseQRCode for clarity.
• Modified the installed property logic for determining wallet installation.
• Updated the createConnector method to utilize wagmi's metaMask connector, including a custom getChainId implementation.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
rainbowkit-example	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 18, 2025 4:55am
rainbowkit-site	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 18, 2025 4:55am

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: f1948bb87c55327ea3773d146608f38d83ab23bf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 18 packages

Name	Type
@rainbow-me/rainbowkit	Patch
example	Patch
@rainbow-me/rainbow-button	Patch
rainbowkit-next-app	Patch
site	Patch
with-create-react-app	Patch
with-next-app-i18n	Patch
with-next-app	Patch
with-next-custom-button	Patch
with-next-mint-nft	Patch
with-next-siwe-iron-session	Patch
with-next-siwe-next-auth	Patch
with-next-wallet-button	Patch
with-next	Patch
with-react-router	Patch
with-remix	Patch
with-vite	Patch
with-next-rainbow-button	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[DanielSinclair]

This currently blocked due to the connector's URI length that cannot be rendered as a qr code