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What Is Contract ABI?
Last updated: November 12th, 2021
An Application Binary Interface (ABI) allows the MyCrypto interface to get very basic information about the functions and function types that are available in a smart contract. It is able to show functions in a way that is minimal and comprehensible. Without ABI, we wouldn't be able to know if you want to withdrawDeFiToken(amountOfDeFiToken), or setOwner (address), or both, or neither.
Where Do I Get the ABI for a Contract?
MyCrypto should automatically pull the ABI for you, or you can find it on the Contract Page on Etherscan. For example, here is the contract of OpenSea and the ABI:
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