betting.sol

//SPDX-License-Identifier: WTFPL

pragma solidity >=0.4.16 <0.9.0;

contract Bet {
    address payable person1;
    address payable person2;
    address arbiter;
    
    event Deposit(address from, uint256 amount);
    event Decide(address payee, uint256 amount);

    constructor(address payable _person1, address payable _person2) {
        arbiter = msg.sender;
        person1 = _person1;
        person2 = _person2;
        
    }
    
    modifier isArbiter() {
        // If the first argument of 'require' evaluates to 'false', execution terminates and all
        // changes to the state and to Ether balances are reverted.
        // This used to consume all gas in old EVM versions, but not anymore.
        // It is often a good idea to use 'require' to check if functions are called correctly.
        // As a second argument, you can also provide an explanation about what went wrong.
        require(msg.sender == arbiter, "Caller is not owner");
        _;
    }
    
    function deposit() public payable {
        emit Deposit(msg.sender, msg.value);
        
    }
    
    function decide(bool person) public isArbiter {
        if (person == true) {
            emit Decide(person1, address(this).balance);
            person1.transfer(address(this).balance);
            
        }
        else {
            emit Decide(person2, address(this).balance);
            person2.transfer(address(this).balance);
            
        }
    }
    
    function getBalance() public view returns(uint256 balance) {return address(this).balance;}
}