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I am trying to implement a decentralized raffle that works with custom tokens and randomly select the winner using chainlink automated keepers. I selected a time-based keeper so that "performUpkeep" will be called every 15 minutes. However,I've run into a problem that I just can't figure out. So I have this contract: initial TokenRaffle contract. I am listening for the RequestedRaffleWinner() event in the front end code, so everytime it is emitted there will be a console.log. And it works. Every 15 minutes the RequestedRaffleWinner() event is being emitted , just as intended. However, there were some things I wanted to change in the smart contract, so I tried deploying another similar one but the RequestedRaffleWinner event was no longer being called. I racked my brains trying to figure it out and in the end I wanted to check something. I took the initial contract code, and deployed it again at a different address copy of initial TokeRaffle. I did everything exactly the same way, but for this contract, still there is nothing logged to the console and I get this message on etherscan: "Although one or more Error Occurred [execution reverted] Contract Execution Completed". I don't understand how this could happen only for the second contract even if they are identical. The problem with the first contract is that I cannot enter the raffle because the raffle state is not being updated properly. The problem with the second contract is I cannot pick a winner of the raffle. Can someone please explain how I could get an option where both entering the raffle and picking a winner work?

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    – Ismael
    Aug 31, 2023 at 3:07

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