This package contains the implementation of the Exchange. This contract is responsible for settling trades and is typically the entry point for all transactions that interact with the 0x protocol. Lightweight examples of how external contracts can interact with the Exchange contract can be found in the examples directory. Addresses of the deployed contracts can be found in this 0x guide or the DEPLOYS file within this package.
Install
npm install @0x/contracts-exchange --saveA 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 trueThen install dependencies
yarn installTo build this package and all other monorepo packages that it depends on, run the following from the monorepo root directory:
PKG=@0x/contracts-exchange yarn buildOr continuously rebuild on change:
PKG=@0x/contracts-exchange yarn watchyarn cleanyarn lintyarn testContracts testing options like coverage, profiling, revert traces or backing node choosing - are described here.