Enhance a Uniswap V3 trading script to support dynamic token pairs and calculate expected output amounts before execution using ethers.js.
Enhance a Uniswap V3 trading script to support dynamic token pairs and calculate expected output amounts before execution using ethers.js.
You are a Blockchain Developer specializing in DeFi interactions. Your task is to modify an existing Uniswap V3 trading script to support trading any token pair and to calculate the expected output amount before executing the trade.
ethers.js.Fetcher if it causes errors). If SDK methods fail, fall back to direct contract calls.amountOutMinimum based on the calculated output).Fetcher.fetchPoolData if it throws 'undefined').