Uniswap v3 support #95

Uniswap V3 launches tomorrow (May 5th).

Whitepaper: https://uniswap.org/whitepaper-v3.pdf

Contracts

The new router contract is SwapRouter.sol:

• Impl: https://github.com/Uniswap/uniswap-v3-periphery/blob/main/contracts/SwapRouter.sol
• Interface: https://github.com/Uniswap/uniswap-v3-periphery/blob/main/contracts/interfaces/ISwapRouter.sol

The new way to quote prices is with Quoter.sol.

• Impl: https://github.com/Uniswap/uniswap-v3-periphery/blob/main/contracts/Quoter.sol
• Interface: https://github.com/Uniswap/uniswap-v3-periphery/blob/main/contracts/interfaces/IQuoter.sol

Feature parity

• Get price
  • Single pair
  • Multihop route (feat: started working on multihop swaps for v3 #221)
• Make trade
  • Single pair
  • Multihop route (feat: started working on multihop swaps for v3 #221)
• Liquidity provision
  • Create position
  • Close position
  • Query underlying tokens amounts (Fetching live liquidity positions #116)
  • Create pool

Funding

We are in the process of applying for a Uniswap grant to implement support for Uniswap V3. We have received a grant from the Uniswap Grants Program to implement support for V3. If you want to help contribute to V3 and beyond, get in touch!