a2d42b07b5
* add balancer v2 * fetch balancer v2 pools from subgraph * feat: initial stab at a Balancer V2 Sampler WIP * feat: add sampling for buys and fix build issues WIP [untested] * fix: BalancerV2Sampler implementation issues, works on Kovan * chore: BalancerV2 sampling boilerplate * fix: update Balancer V2 mainnet address * fix: consolidate differences between the 2 working branches * fix: use mainnet Balancer V2 subgraph * fix: stack too deep by minimizing and inline Balancer V2 vault interface * fix: address review comments and clean up * fix: sampler vault interface and pools cache assuming a pool has swaps * address more review comments * fix: TS type issues and add a comment about deadline argument * fix: pools_cache_tests incorrect token addresses, prettier incompat * fix: make ERC20BridgeSampler support BalancerV2 non view sampler fns * fix: use a struct for passing encoded bridge data for Balancer V2 * chore: add changelog entries * fix: improve gas accuracy of gas schedule for Balancer V2 & Maker Psm * fix: don't exclude sources with stale caches & wait for cache refresh * rebase * `@0x/asset-swapper`: Fix stack too deep errors in sampler * `@0x/asset-swapper`: Add uniswap V3 sampler. * `@0x/contracts-zero-ex`: Add UniswapV3 support to FQT * `@0x/protocol-utils`: Update BridgeProtocols. `@0x/asset-swapper`: Add sell integration for UniswapV3. * `@0x/asset-swapper`: Remove unnecessary swap quote consumer constructor arg. `@0x/asset-swapper`: Enable UniswapV3 on ropsten. * `@0x/asset-swapper`: UniswapV3 fixes * `@0x/asset-swapper`: Fix stuff based on latest deployed testnet contracts * `@0x/asset-swapper`: Remove UniV3 from mainnet sources for now * `@0x/asset-swapper`: Tweak univ3 gas schedule * fix CI? * `@0x/contracts-test-utils`: Set default ganache gas limit to 100e6 Co-authored-by: xianny <xianny@gmail.com> Co-authored-by: Kim Persson <kimpersson88@gmail.com> Co-authored-by: Lawrence Forman <me@merklejerk.com> Co-authored-by: Jacob Evans <jacob@dekz.net>
Extensions
This package includes utility smart contracts that may be useful for developing on top of the core 0x Exchange. For example, MixinWethUtils includes functions to pay affiliate fees in ETH, wrap ETH to be used for 0x trades and protocol fees, and unwrap WETH to refund the sender.
Installation
Install
npm install @0x/contracts-extensions --save
Bug bounty
A bug bounty for the 3.0 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-extensions yarn build
Or continuously rebuild on change:
PKG=@0x/contracts-extensions 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.