If I look in the past transactions of a smart contract that called a function, I can see the MethodID being used.
If the function was never used in the past, I would never know what was the method ID. Is there any way I could generate this?
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The function selector or method id is the first 4 bytes of the hash of the method name and the parameters. This is documentend here https://solidity-by-example.org/function-selector/