Safe{Wallet} is a smart contract wallet for Ethereum and other EVM chains. Based on Gnosis Safe multisig contracts.

This repository is the frontend of the Safe{Wallet} app.

Contributing

Contributions, be it a bug report or a pull request, are very welcome. Please check our contribution guidelines beforehand.

Getting started with local development

Environment variables

Create a .env file with environment variables. You can use the .env.example file as a reference.

Here's the list of all the environment variables:

Env variable	Description
NEXT_PUBLIC_INFURA_TOKEN	Infura RPC API token
NEXT_PUBLIC_SAFE_APPS_INFURA_TOKEN	Infura token for Safe Apps, falls back to NEXT_PUBLIC_INFURA_TOKEN
NEXT_PUBLIC_IS_PRODUCTION	Set to true to build a minified production app
NEXT_PUBLIC_GATEWAY_URL_PRODUCTION	The base URL for the Safe Client Gateway
NEXT_PUBLIC_GATEWAY_URL_STAGING	The base CGW URL on staging
NEXT_PUBLIC_SAFE_VERSION	The latest version of the Safe contract, defaults to 1.4.1
NEXT_PUBLIC_WC_PROJECT_ID	WalletConnect v2 project ID
NEXT_PUBLIC_TENDERLY_ORG_NAME	Tenderly org name for Transaction Simulation
NEXT_PUBLIC_TENDERLY_PROJECT_NAME	Tenderly project name
NEXT_PUBLIC_TENDERLY_SIMULATE_ENDPOINT_URL	Tenderly simulation URL
NEXT_PUBLIC_BEAMER_ID	Beamer is a news feed for in-app announcements
NEXT_PUBLIC_GOOGLE_TAG_MANAGER_ID	GTM project id
NEXT_PUBLIC_GOOGLE_TAG_MANAGER_DEVELOPMENT_AUTH	Dev GTM key
NEXT_PUBLIC_GOOGLE_TAG_MANAGER_LATEST_AUTH	Preview GTM key
NEXT_PUBLIC_GOOGLE_TAG_MANAGER_LIVE_AUTH	Production GTM key
NEXT_PUBLIC_SENTRY_DSN	Sentry id for tracking runtime errors
NEXT_PUBLIC_IS_OFFICIAL_HOST	Whether it's the official distribution of the app, or a fork; has legal implications. Set to true only if you also update the legal pages like Imprint and Terms of use
NEXT_PUBLIC_REDEFINE_API	Redefine API base URL
NEXT_PUBLIC_FIREBASE_OPTIONS_PRODUCTION	Firebase Cloud Messaging (FCM) initializeApp options on production
NEXT_PUBLIC_FIREBASE_VAPID_KEY_PRODUCTION	FCM vapid key on production
NEXT_PUBLIC_FIREBASE_OPTIONS_STAGING	FCM initializeApp options on staging
NEXT_PUBLIC_FIREBASE_VAPID_KEY_STAGING	FCM vapid key on staging
NEXT_PUBLIC_SPINDL_SDK_KEY	Spindl SDK key

If you don't provide some of the variables, the corresponding features will be disabled in the UI.

Running the app locally

Install the dependencies:

yarn

Generate types:

yarn postinstall

Run the development server:

yarn start

Open http://localhost:3000 with your browser to see the app.

Lint

ESLint:

yarn lint --fix

Prettier:

yarn prettier

Tests

Unit tests:

yarn test --watch

Cypress tests

Build a static site:

yarn build

Serve the static files:

yarn serve

Launch the Cypress UI:

yarn cypress:open

You can then choose which e2e tests to run. Some tests will require signer private keys, please include them in your .env file

Component template

To create a new component from a template:

yarn cmp MyNewComponent

Pre-push hooks

This repo has a pre-push hook that runs the linter (always) and the tests (if the RUN_TESTS_ON_PUSH env variable is set to true) before pushing. If you want to skip the hooks, you can use the --no-verify flag.

Frameworks

This app is built using the following frameworks:

• Safe Core SDK
• Safe Gateway SDK
• Next.js
• React
• Redux
• MUI
• ethers.js
• web3-onboard