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web3 email registration

Grotesque Gemsbok answered on August 12, 2022 Popularity 3/10 Helpfulness 1/10

answer web3 email registration

web3 email registration

Comment

pragma solidity ^0.8.5;

contract MyContract {
    mapping (string => bool) isRegistered;
    
    function register(string memory _email) external {
        require(!isRegistered[_email], 'This e-mail is already registered');
        
        // TODO perform the registration
        
        isRegistered[_email] = true; // mark it as registered
    }
}

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: email registration web3 whatever

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