MEV Resistant Flashloanable DEX Aggregator

https://2022-eth-seoul-submission.vercel.app/

https://thegraph.com/hosted-service/subgraph/0xfind/uniswap-v3-mumbai

• Success to integarte uniswap v3 in mumbai
• subgraph for quickswap mumbai and sushiswap mumbai is not available, we can add subgraph for those later

The graph is used for aggregating pool info. We are aggregating all pool informaion from event, but we can have better performance using The Graph.

https://github.com/fortoon21/JK_bridge/blob/c335665a3f99eb632d48bf190a028daea13b4f18/packages/aggregator/lib/viewer.ts#L218-L221

https://github.com/fortoon21/JK_bridge/blob/c335665a3f99eb632d48bf190a028daea13b4f18/packages/aggregator/lib/thegraph.ts#L5-L10

• https://mumbai.polygonscan.com/address/0xE8cb4b4b47bFF4c12a599FdB13b751C4f41974Ff#code
• This is for handling aggregated swap

• https://mumbai.polygonscan.com/address/0x1a2e1CCb2702A3c30Fb04A80918eA0d0f6C06D8A#code
• This is for aggregating info from token in multicall

• https://mumbai.polygonscan.com/address/0x4a44b451d9239e60E5A3df7214b2c467b7148902#code
• This is for aggregating info from uniswap v2 type dex in multicall

• https://mumbai.polygonscan.com/address/0x60D3e7ba1781281f04B316e79CF389460B2ddB31#code
• This is for aggregating info from uniswap v3 type dex in multicall

All contract information is kept at https://github.com/fortoon21/Shieldswap/blob/ed969d0a5831a18f1e0c0deca6d79b54b6c132d0/packages/aggregator/address.json

We are aggregating pool info from quickswap, sushiswap, uniswap V3 deployed in Polygon Mumbai, then provider aggregated swap to user.

We deployed multicall viewer contract and swap contract in Polygon Mumbai.

cd packages/frontend
yarn                    // for the first time
yarn dev

cd packages/aggregator
yarn                    // for the first time
yarn test