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So one of the most annoying things for me is having to Approve before calling Swap or Deposit.

I would love there to be a proxy contract which just calls Approve and Swap/Deposit in the same function.

Are there any existing contracts that implement this already?

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  • As said by other it is not possible with non-contract wallet. But it should be possible if the wallet is a contract.
    – Ismael
    May 13, 2021 at 4:05

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It cannot be done as far as I know.

approve() has to be called on the token contract from the address holding the tokens. Therefore, a contract could not call the approve function on behalf of your address.

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