make a modifier in solidity
modifier onlyOwner {
require(msg.sender == owner);
_;
//Use _ after the last require statement
}make a modifier in solidity
modifier onlyOwner {
require(msg.sender == owner);
_;
//Use _ after the last require statement
}solidity modifier
contract Owner {
modifier onlyOwner {
require(msg.sender == owner);
_;
}
modifier costs(uint price) {
if (msg.value >= price) {
_;
}
}
}modifier in solidity
Solidity basic definition for beginners like me.
Modifiers are code that can be run before and / or after a function call.
Modifiers can be used to:
Restrict access
Validate inputs
Guard against reentrancy hackCopyright © 2021 Codeinu
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