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CircleCI

Universal-Login

Ethereum Universal Login

Universal Login is a design pattern for storing funds and connecting to Ethereum applications, aiming to simplify on-boarding of new users.

This repository is a monorepo including the sdk, relayer, smart contracts and examples. Each public sub-package is independently published to NPM.

Documentation

Documentation is available at universalloginsdk.readthedocs.io

Disclaimer

This is a work in progress. Expect breaking changes. The code has not been audited and therefore can not be considered secure.

Technical concepts

Technically Universal Login utilizes four major concepts:

  • Personal multi-sig wallet - a smart contract used to store personal funds. A user gets his wallet created in a barely noticeable manner. The user then incrementally adds authorization factors and recovery options.
  • Meta-transactions - these give users the ability to interact with their wallets from multiple devices easily, without a need to store ether on each of those devices. Meta-transactions, also allow one to pay for execution with tokens.
  • ENS names - naming your wallet with easy-to-remember human-readable names.
  • Universal login - ability to use the wallet as an authorization layer to numerous web applications/dapps.

Structure

Packages maintained with this monorepo are listed below.

  • Contracts - all contracts used in this project
  • Relayer - node.js server application that allows interacting with blockchain without a wallet
  • SDK - a JS library, that helps to communicate with relayer
  • Example - example application written in React
  • OPS - scripts for development and deployment

Formal Verification

Our goal is to formally verify functions declared in ethereum smart contracts used in our project. Please, see Formal Verification README for details and instructions.

Contributing

Contributions are always welcome, no matter how large or small. Before contributing, please read the code of conduct and contribution policy.

Before you issue pull request:

  • Create an issue and discuss with us to see if feature fits the project
  • For bigger PRs - setup a pair programing session with us :)
  • Split big PRs into multiple smaller PRs
  • Make sure all tests and linters pass.
  • Make sure you have test coverage for any new features.

Building, running, linting & tests

To install dependencies:

yarn install

To build all projects:

yarn build

Running run tests for all projects:

yarn test

Running linter for all projects:

yarn lint

To clean the project:

yarn clean

You can run all of above scripts (install, build, test, lint, clean) from individual project directories.

To emulate the full CI process:

yarn clean
yarn
yarn ci

Building documentation:

cd docs
make html

Documentation will be compile to docs/build/html.

License

Universal Login SDK is released under the MIT License except for smart contracts in common and proxy released under the LGPL-v3 License.

Releases

No releases published

Packages

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Languages

  • TypeScript 59.3%
  • JavaScript 28.2%
  • CSS 12.2%
  • Other 0.3%