This package contains implementations of various ERC20 tokens, including WETH (Wrapped Ether) and ZRX. Addresses of the deployed contracts can be found in this 0x guide or the DEPLOYS file within this package.
npm install @0x/contracts-erc20 --save
A bug bounty for the 2.0.0 contracts is ongoing! Instructions can be found here.
We strongly recommend that the community help us make improvements and determine the future direction of the protocol. To report bugs within this package, please create an issue in this repository.
For proposals regarding the 0x protocol's smart contract architecture, message format, or additional functionality, go to the 0x Improvement Proposals (ZEIPs) repository and follow the contribution guidelines provided therein.
Please read our contribution guidelines before getting started.
If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
yarn config set workspaces-experimental true
Then install dependencies
To build this package and all other monorepo packages that it depends on, run the following from the monorepo root directory:
PKG=@0x/contracts-erc20 yarn build
Or continuously rebuild on change:
PKG=@0x/contracts-erc20 yarn watch
Contracts testing options like coverage, profiling, revert traces or backing node choosing - are described here.