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Multicall-Based Uniswap Price Retrieval Solution

A solution that leverages the concept of multicalls to efficiently retrieve multiple token prices from Uniswap, by reducing the number of calls to the blockchain node.

Considerations

  • An ethereum mainnet fork is setup in the hardhat.config.js
  • The default base token for price retrieval is set to WETH
  • The uniswapV3 price oracle is used to calculate ( time weighted average price )
  • The .env.example is a sample file of the node url, make a .env with the example reference and put your node url ( preferebly alchemy/infura )
  • .nvmrc file is set to node version 16.14.2

Future Optimizations

  • The oracle library function is used to calculate the tick. This also computes few other things which are not needed
  • This can be removed and a custom function can be written to calculate the tick only

Try running some of the following commands:

npm install
npx hardhat compile
npx hardhat test

Create your own mainnet fork : npx hardhat node --fork <MAINNET_NODE_URL>