address(this) and msg.sender
msg. sender is the address of the contract caller. address(this) is the address of the smart contract itselfaddress(this) and msg.sender
msg. sender is the address of the contract caller. address(this) is the address of the smart contract itselfaddress(this) and msg.sender
pragma solidity ^0.8.0;
contract Escrow {
address public owner;
constructor() {
owner = msg.sender;
}
function depositNothing() public view {
require(msg.sender == owner, 'You are not the owner!');
}
function balanceOf() view public returns(uint) {
return address(this).balance;
}
}Copyright © 2021 Codeinu
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