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I'm new to all this and I'm trying to code a bot.

The bot is picking up new listings on uniswap but when it goes to put through a transaction I'm getting a gas error.

I'm getting..

(node:7820) UnhandledPromiseRejectionWarning: Error: cannot estimate gas; transaction may fail or may require manual gas limit (error={"reason":"cannot estimate gas; transaction may fail or may require manual gas limit","code":"UNPREDICTABLE_GAS_LIMIT","error":{"code":3,"response":"{\"jsonrpc\":\"2.0\",\"id\":6,\"error\":{\"code\":3,\"data\":

Can anyone shed light on how I set the gas or gas limit?

I've tried lots of different things but it keeps erroring.

Thanks in advance..

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  • 1
    It is likely an error condition is triggered by the function call.
    – Ismael
    May 15 at 23:35
  • Hi Ismael. Do you think this is something you can help me solve? ethereum.stackexchange.com/questions/99201/…
    – Liamoc
    May 18 at 12:32
  • Without looking at the code is hard to say if it will work or not. Perhaps a wrong parameter is passed, a bug in the contract, a bug in the bot.
    – Ismael
    May 18 at 19:01

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