[英]Returned error: VM Exception while processing transaction: revert only owner can call this function
[英]Error: Returned error: VM Exception while processing transaction: revert only owner can call this function
我正在嘗試使用“松露測試”來測試這個合同,但它顯示以下錯誤:
錯誤:返回錯誤:處理事務時 VM 異常:還原只有所有者可以調用此 function - - 給出的原因:只有所有者可以調用此 function。
游戲.sol
pragma solidity ^0.5.0;
contract Gaming {
/* Our Online gaming contract */
address public owner;
bool public online;
struct Player {
uint wins;
uint losses;
}
mapping (address => Player) public players;
constructor() public payable {
owner = msg.sender;
online = true;
}
modifier isOwner() {
require(msg.sender == owner, "Only owner can call this function");
_;
}
}
測試游戲.sol
pragma solidity ^0.5.0;
import "truffle/Assert.sol";
import "truffle/DeployedAddresses.sol";
import "../contracts/Gaming.sol";
contract TestGaming {
uint public initialBalance = 10 ether;
Gaming gaming;
address owner;
function beforeAll() public {
gaming = Gaming(DeployedAddresses.Gaming());
owner = gaming.owner();
}
function testWithdrawFunds() public {
uint ownerBalanceBefore = owner.balance;
gaming.withdrawFunds();
uint ownerBalanceAfter = owner.balance;
Assert.equal (initialBalance, ownerBalanceAfter - ownerBalanceBefore, "The owner's balance should have increased by 10 ether");
}
錯誤
Error: Returned error: VM Exception while processing transaction: revert only owner can call this function - - Reason given: Only owner can call this function.
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