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Have you ever use the v3-sdk?
const options: SwapOptions = {
slippageTolerance: new Percent(50, 10_000), // 50 bips, or 0.50%
deadline: Math.floor(Date.now() / 1000) + 60 * 20, // 20 minutes from the current Unix time
recipient: walletAddress,
}
const methodParameters = SwapRouter.swapCallParameters(trade, options)
The exactInputSingle transaction built by the swapCallParameters in sdk-v3 will cause contract error, I checked the parameters in the contract used by the sdk
https://github.com/Uniswap/v3-periphery/blob/0682387198a24c7cd63566a2c58398533860a5d1/contracts/interfaces/ISwapRouter.sol#L15, there is deadline parameter.
But there is no deadline on the live contract https://etherscan.io/address/0x68b3465833fb72a70ecdf485e0e4c7bd8665fc45#writeContract
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