Escrow

Escrow.sol.js

pragma solidity ^0.4.25;

contract Escrow {
    
    address public buyer;
    address public seller;
    address public arbiter;
    uint256 public escrowAmount;
    
    constructor(address _buyer, address _arbiter, uint256 _escrowAmount) public {
        seller = msg.sender;
        buyer = _buyer;
        arbiter = _arbiter;
        escrowAmount = _escrowAmount;
    }
    
    function fund() payable public {
        require(msg.value == escrowAmount);
    }
    
    function payoutSeller() public {
        require(msg.sender == buyer || msg.sender == arbiter);
        seller.transfer(address(this).balance);
    }
    
    function refundBuyer() public {
       require(msg.sender == seller || msg.sender == arbiter); 
       buyer.transfer(address(this).balance);
    }
    
    function contractBalance() public view returns (uint256){
       return address(this).balance;
    }
    
}