988 - Gnosis safe

[hiaux0]

What was done

• add gnosis safe package npm i @gnosis.pm/safe-apps-web3modal @gnosis.pm/safe-apps-sdk
• add manifest.json Needed as described here:
  • https://docs.gnosis-safe.io/build-with-safe/sdks/safe-apps/get-started#manifest
  • More info here
  • https://docs.gnosis-safe.io/build-with-safe/sdks/safe-apps/releasing-your-safe-app#get-your-safe-app-listed-in-the-safe
• add CORS to vercel.json --> not needed actually -> reverted commit
  • needed: https://docs.gnosis-safe.io/build-with-safe/sdks/safe-apps/get-started#cors
  • vercel docs: https://vercel.com/support/articles/how-to-enable-cors#enabling-cors-using-vercel.json

Links for research

https://ethereum.stackexchange.com/questions/122635/signing-messages-as-a-gnosis-safe-eip1271-support https://ethereum.stackexchange.com/questions/122458/web3-eth-personal-sign-with-walletconnect-and-gnosis-safe https://ethereum.stackexchange.com/questions/117935/using-personal-sign-with-walletconnect-and-gnosis-safe/120440#120440= https://ethereum.stackexchange.com/questions/124444/gnosissafe-signing-and-verifying-a-signature https://ethereum.stackexchange.com/questions/128319/eip1271-signing-message-as-signer https://ethereum.stackexchange.com/questions/124444/gnosissafe-signing-and-verifying-a-signature https://ethereum.stackexchange.com/questions/116909/executing-transaction

Testing

Setup

1. npm run start-dev (note, this PR adds (temporarily!) webpack devServer as https. Needed to expose manifest.json)
2. Make sure to rebuild firebase functions locally
3. Go to eg. https://gnosis-safe.io/app/eth:0x7450Aa5BCd1dc38A6Ac89e4D3BE976BE6AeBE9bc/home
4. Add Safe app (Apps -> Custom App -> https://localhost:3340)
5. Accept discliamer
6. Authenticate to firebase (new part, where a tx on Safe Wallet is created)

Integration steps

https://www.notion.so/primedao/WIP-Gnosis-Safe-App-Instructions-2ef58ab2d719472185055430ff6de227#0760d7ee415d408da9fb38adddf7547c

Testing the app

• Make sure wallet is behaving the same

• [x] connecting
  • [x] manually (connect)
  • [x] pops ups metamask
• [x] or automatically (wallet cached)
• [x] disconnecting has to work
• [x] Change account within metamask

Before

Wallet works

After

Wallet works Appears in Gnosis Safe App

[vercel[bot]]

Deployment failed with the following error:

Header at index 0 has invalid `source` regular expression "*".

Learn More: https://vercel.link/invalid-route-source-pattern

[vercel[bot]]

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

Name	Status	Preview	Updated
prime-deals-dapp	✅ Ready (Inspect)	Visit Preview	Jun 9, 2022 at 9:34AM (UTC)

[hiaux0]

Findings

Adding Custom App to Gnosis safe

• following docs https://help.gnosis-safe.io/en/articles/4022030-add-a-custom-safe-app
• manifest.json exists (on prod, this does not exists, neither is the Custom App recognized in Gnosis. This tells me, this branch is somehow working)
  • https://prime-deals-dapp-git-feat-988-gnosis-safe-curvelabs.vercel.app/manifest.json

Struggle

• Gnosis is not detecting our Safe App