An adapter contract to plug in front of the Safe SignMessageLib, producing EIP-712 signatures for Snapshot votes

An audit has been performed by Côme du Crest for Gnosis. No issues have been identified in the audit.

The audit report is available at https://gnosischain.notion.site/Snapshot-Signer-f890f1f3dba74f11bdd1702d17d9e05c.

All contracts are WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Address: 0xb0382209806345d27dFdAB5Bbc17B2AB553165ac

• Sepolia
• Arbitrum

(forwarding to SignMessageLib at 0xd53cd0aB83D845Ac265BE939c57F53AD838012c9)

First, you need to install the dependencies:

$ bun install

Then, you need to set up all the required env variable. Create a .env file based on .env.example.

Compile the smart contracts with Hardhat:

$ bun run compile

Compile the smart contracts and generate TypeChain bindings:

$ bun run typechain

Run the tests with Hardhat:

$ bun run test

Lint the Solidity code:

$ bun run lint:sol

Lint the TypeScript code:

$ bun run lint:ts

Generate the code coverage report:

$ bun run coverage

See the gas usage per unit test and average gas per method call:

$ REPORT_GAS=true bun run test

Delete the smart contract artifacts, the coverage reports and the Hardhat cache:

$ bun run clean

Deploy the contract:

$ bun run deploy <network>

Currently the following values for <network> are supported:

• hardhat
• mainnet
• sepolia
• gnosis
• arbitrum

This project is licensed under MIT.