* Strip erc20 package of legacy nonsense and add foundry basics * Make foundry build * Remove obsoleted test/UntransferrableDummyERC20Token.sol contract * Remove obsoleted ERC20 lib variant contracts * Remove obsoleted DummyMultipleReturnERC20Token and DummyNoReturnERC20Token contracts * Move test contract to dedicated folder and remove obsoleted TypeScript contract wrappers * Remove src/interfaces/IEtherToken.sol only used in v3 staking which is being obsoleted [skip ci] * Add foundry test for token * Migrate ZRX token tests to foundry * Fix paths to erc20 contracts * Remove obsoleted references * Pin erc20-contracts package on treasury * Ignore foundry imports in link checker * Run only forge tests for erc20 contracts * Remove DummyERC20Token and its dependencies * Merge IERC20TokenV06 and IERC20TokenV08 into range pragma to cover solidity 0.6.5 to 0.8.x * Merge IEtherTokenV06 and IEtherTokenV08 into range pragma to cover solidity 0.6.5 to 0.8.x * Migrate weth9 tests to foundry * Upload code coverage for erc20 package * Update changelog * Fix review comments Co-authored-by: duncancmt <1207590+duncancmt@users.noreply.github.com> --------- Co-authored-by: duncancmt <1207590+duncancmt@users.noreply.github.com>
ERC20 Tokens
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.
Installation
Install
npm install @0x/contracts-erc20 --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-erc20 yarn build
Or continuously rebuild on change:
PKG=@0x/contracts-erc20 yarn watch
Clean
yarn clean
Lint
yarn lint
Run Tests
yarn test