Hi, I am trying to include crowdsale.sol in my ERC20 contract but I get these two lines are causig compatibility errors: Line 56: require(_token != address(0)); TypeError: Operator != not compatible with types contract ERC20 and address payable require (_token != address(0)); Line 193: walle…

Hey @nkccorp12 , The link @abcoathup is sharing has a detailed implementation reference that avoid these errors. The reason behind the error is clear on its description, there’s a type mismatch between variables. For require(_token != address(0)), I’m guessing the problem is because _token is a va…

Crowdsale.sol Operator != not compatible with types contract ERC20

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abcoathup April 23, 2021, 5:16am 2

Hi @testingneverstop,

Have a look at: Simple ERC20 Crowdsale

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Crowdsale.sol Operator != not compatible with types contract ERC20

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