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I have a token contract that will exclusively use Pancakeswap as trading platform. How can I tell in the contract if a transfer represents someone buying the token or someone selling it?

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You can check msg.sender in transferFrom().

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  • How though? I see that contracts interact with a router, but sometimes the're a middleman inbetween (wallet -> middleman -> router)
    – Brobbry
    Commented Apr 21, 2021 at 10:05

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