@0x/contracts-exchange-forwarder

Exchange Forwarder

This package contains the implementation of the Forwarder contract. This contract is intended to improve the UX of interacting with the 0x Exchange contract by abstracting user approvals, converting ETH to WETH, and paying fees. Addresses of the deployed contracts can be found in this 0x guide or the DEPLOYS file within this package.

Installation

Install

npm install @0x/contracts-exchange-forwarder --save

Bug bounty

A bug bounty for the 2.0.0 contracts is ongoing! Instructions can be found here.

Contributing

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.

Install Dependencies

If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:

yarn config set workspaces-experimental true

Then install dependencies

yarn install

Build

To build this package and all other monorepo packages that it depends on, run the following from the monorepo root directory:

PKG=@0x/contracts-exchange-forwarder yarn build

Or continuously rebuild on change:

PKG=@0x/contracts-exchange-forwarder yarn watch

Clean

yarn clean

Lint

yarn lint

Run Tests

yarn test

Testing options

Contracts testing options like coverage, profiling, revert traces or backing node choosing - are described here.