375 lines
13 KiB
Solidity
375 lines
13 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity 0.8.19;
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import {Test, console2, console} from "forge-std/Test.sol";
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import {DeployRaffle} from "script/DeployRaffle.s.sol";
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import {Raffle} from "contracts/Raffle.sol";
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import {HelperConfig, CodeConstants} from "script/HelperConfig.s.sol";
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import {Vm} from "forge-std/Vm.sol";
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import {VRFCoordinatorV2_5Mock} from "@chainlink/contracts/src/v0.8/vrf/mocks/VRFCoordinatorV2_5Mock.sol";
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import {LinkToken} from "../../test/mocks/LinkToken.sol";
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import {FundSubscription} from "script/Interactions.s.sol";
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contract RaffleTest is Test, CodeConstants {
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/*//////////////////////////////////////////////////////////////
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ERRORS
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//////////////////////////////////////////////////////////////*/
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event RequestedRaffleWinner(uint256 indexed requestId);
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event RaffleEnter(address indexed player);
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event WinnerPicked(address indexed player);
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Raffle public raffle;
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HelperConfig public helperConfig;
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address vrfCoordinatorV2_5;
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uint256 subscriptionId;
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bytes32 gasLane; // keyHash
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uint256 interval;
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uint256 entranceFee;
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uint32 callbackGasLimit;
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LinkToken link;
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address public PLAYER = makeAddr("player");
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uint256 public constant STARTING_USER_BALANCE = 10 ether;
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uint256 public constant LINK_BALANCE = 100 ether;
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function setUp() external {
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DeployRaffle deployer = new DeployRaffle();
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(raffle, helperConfig) = deployer.run();
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vm.deal(PLAYER, STARTING_USER_BALANCE);
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HelperConfig.NetworkConfig memory config = helperConfig.getConfig();
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vrfCoordinatorV2_5 = config.vrfCoordinatorV2_5;
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subscriptionId = config.subscriptionId;
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gasLane = config.gasLane;
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interval = config.automationUpdateInterval;
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entranceFee = config.raffleEntranceFee;
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callbackGasLimit = config.callbackGasLimit;
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link = LinkToken(config.link);
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vm.startPrank(msg.sender);
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if (block.chainid == LOCAL_CHAIN_ID) {
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link.mint(msg.sender, LINK_BALANCE);
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VRFCoordinatorV2_5Mock(vrfCoordinatorV2_5).fundSubscription(
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subscriptionId,
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LINK_BALANCE
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);
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}
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link.approve(vrfCoordinatorV2_5, LINK_BALANCE);
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vm.stopPrank();
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}
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modifier raffleEntered() {
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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vm.warp(block.timestamp + interval + 1);
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vm.roll(block.number + 1);
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_;
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}
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modifier skipFork() {
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// Testnet cannot test with Mock, don't have Mock control
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if (block.chainid != 31337) {
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return;
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}
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_;
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}
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function testRaffleInitializesInOpenState() public view {
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assert(raffle.getRaffleState() == Raffle.RaffleState.OPEN);
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}
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/*//////////////////////////////////////////////////////////////
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ENTER RAFFLE
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//////////////////////////////////////////////////////////////*/
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function testRaffleRevertsWHenYouDontPayEnough() public {
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// Arrange
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vm.prank(PLAYER);
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// Act / Assert
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vm.expectRevert(Raffle.Raffle__NotEnoughETHEntered.selector);
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raffle.enterRaffle();
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}
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function testRaffleRecordsPlayerWhenTheyEnter() public {
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// Arrange
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vm.prank(PLAYER);
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// Act
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raffle.enterRaffle{value: entranceFee}();
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// Assert
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address playerRecorded = raffle.getPlayer(0);
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assert(playerRecorded == PLAYER);
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}
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function testEmitsEventOnEntrance() public {
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// Arrange
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vm.prank(PLAYER);
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// Act / Assert
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vm.expectEmit(true, false, false, false, address(raffle));
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// 1st true is the indexed palyer
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// 2nd & 3rd false because no indexed params for the Emit RaffleEnter Event
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emit RaffleEnter(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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}
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function testDontAllowPlayersToEnterWhileRaffleIsCalculating() public {
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// Arrange
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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vm.warp(block.timestamp + interval + 1);
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vm.roll(block.number + 1);
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raffle.performUpkeep("");
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// Act / Assert
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vm.expectRevert(Raffle.Raffle__RaffleNotOpen.selector);
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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}
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/*//////////////////////////////////////////////////////////////
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CHECKUPKEEP
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//////////////////////////////////////////////////////////////*/
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function testCheckUpkeepReturnsFalseIfItHasNoBalance() public {
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// Arrange
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vm.warp(block.timestamp + interval + 1); // Change time
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vm.roll(block.number + 1); // Blockchain added
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// Act
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(bool upkeepNeeded, ) = raffle.checkUpkeep("");
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// Assert
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assert(!upkeepNeeded);
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}
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function testCheckUpkeepReturnsFalseIfRaffleIsntOpen() public {
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// Arrange
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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vm.warp(block.timestamp + interval + 1);
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vm.roll(block.number + 1);
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raffle.performUpkeep("");
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Raffle.RaffleState raffleState = raffle.getRaffleState();
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// Act
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(bool upkeepNeeded, ) = raffle.checkUpkeep("");
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// Assert
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assert(raffleState == Raffle.RaffleState.CALCULATING);
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assert(upkeepNeeded == false);
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}
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// Challenge 1. testCheckUpkeepReturnsFalseIfEnoughTimeHasntPassed
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function testCheckUpkeepReturnsFalseIfEnoughTimeHasntPassed() public {
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// Arrange
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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// Act
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(bool upkeepNeeded, ) = raffle.checkUpkeep("");
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// Assert
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assert(!upkeepNeeded);
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}
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// Challenge 2. testCheckUpkeepReturnsTrueWhenParametersGood
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function testCheckUpkeepReturnsTrueWhenParametersGood() public {
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// Arrange
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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vm.warp(block.timestamp + interval + 1);
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vm.roll(block.number + 1);
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// Act
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(bool upkeepNeeded, ) = raffle.checkUpkeep("");
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// Assert
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assert(upkeepNeeded);
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}
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/*//////////////////////////////////////////////////////////////
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PERFORMUPKEEP
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//////////////////////////////////////////////////////////////*/
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function testPerformUpkeepCanOnlyRunIfCheckUpkeepIsTrue() public {
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// Arrange
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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vm.warp(block.timestamp + interval + 1);
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vm.roll(block.number + 1);
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// Act / Assert
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// It doesnt revert
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raffle.performUpkeep("");
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}
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function testPerformUpkeepRevertsIfCheckUpkeepIsFalse() public {
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// Arrange
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uint256 currentBalance = 0;
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uint256 numPlayers = 0;
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Raffle.RaffleState rState = raffle.getRaffleState();
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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currentBalance = currentBalance + entranceFee;
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numPlayers = numPlayers + 1;
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vm.warp(block.timestamp); // Not the time yet
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vm.roll(block.number + 1);
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// Act / Assert
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vm.expectRevert(
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abi.encodeWithSelector(
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Raffle.Raffle__UpkeepNotNeeded.selector,
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currentBalance,
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numPlayers,
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rState
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)
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);
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raffle.performUpkeep("");
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}
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// Get data from Emit Event
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function testPerformUpkeepUpdatesRaffleStateAndEmitsRequestId() public {
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// Arrange
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vm.prank(PLAYER);
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raffle.enterRaffle{value: entranceFee}();
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vm.warp(block.timestamp + interval + 1);
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vm.roll(block.number + 1);
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// Act
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vm.recordLogs();
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raffle.performUpkeep(""); // emits requestId
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Vm.Log[] memory entries = vm.getRecordedLogs();
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/* Vm.Log[] entries:
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bytes32[] topics;
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bytes data;
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address emitter;
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*/
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bytes32 requestId = entries[1].topics[1];
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/*
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entriess[0] from VRF Coordinator
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enteries[1] 2nd log
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topics[0] is reserved for something else
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*/
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// Assert
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Raffle.RaffleState raffleState = raffle.getRaffleState();
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// requestId = raffle.getLastRequestId();
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assert(uint256(requestId) > 0); // is not blank
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assert(uint256(raffleState) == 1); // 0 = open, 1 = calculating
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}
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/*//////////////////////////////////////////////////////////////
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FULFILLRANDOMWORDS
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//////////////////////////////////////////////////////////////*/
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function testFulfillRandomWordsCanOnlyBeCalledAfterPerformUpkeep(
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uint256 randomRequestId
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) public raffleEntered skipFork {
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// Arrange
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// Act / Assert
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vm.expectRevert(VRFCoordinatorV2_5Mock.InvalidRequest.selector);
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// vm.mockCall could be used here...
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VRFCoordinatorV2_5Mock(vrfCoordinatorV2_5).fulfillRandomWords(
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randomRequestId,
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address(raffle)
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);
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// Try out many different requestId...
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//..
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}
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function testFulfillRandomWordsPicksAWinnerResetsAndSendsMoney() public raffleEntered skipFork {
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address expectedWinner = address(1);
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// Arrange
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uint256 additionalEntrances = 3;
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uint256 startingIndex = 1; // We have starting index be 1 so we can start with address(1) and not address(0)
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for (uint256 i = startingIndex; i < startingIndex + additionalEntrances; i++) {
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address player = address(uint160(i));
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hoax(player, 1 ether); // deal 1 eth to the player
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//vm.deal(player, 1 ether); // same
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raffle.enterRaffle{value: entranceFee}();
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}
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uint256 startingTimeStamp = raffle.getLastTimeStamp();
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uint256 startingBalance = expectedWinner.balance;
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// Act
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vm.recordLogs();
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raffle.performUpkeep(""); // emits requestId
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Vm.Log[] memory entries = vm.getRecordedLogs();
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console2.logBytes32(entries[1].topics[1]);
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bytes32 requestId = entries[1].topics[1]; // get the requestId from the logs
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/*
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FundSubscription fundSubscription = new FundSubscription();
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fundSubscription.fundSubscription(
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helperConfig.getConfig().vrfCoordinatorV2_5,
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helperConfig.getConfig().subscriptionId,
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helperConfig.getConfig().link,
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helperConfig.getConfig().myAccount
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);
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*/
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VRFCoordinatorV2_5Mock(vrfCoordinatorV2_5).fulfillRandomWords(
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uint256(requestId),
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address(raffle)
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); // InsuficientBalance()
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// Assert
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address recentWinner = raffle.getRecentWinner();
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Raffle.RaffleState raffleState = raffle.getRaffleState();
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uint256 winnerBalance = recentWinner.balance;
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uint256 endingTimeStamp = raffle.getLastTimeStamp();
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uint256 prize = entranceFee * (additionalEntrances + 1);
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assert(recentWinner == expectedWinner);
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assert(uint256(raffleState) == 0);
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assert(winnerBalance == startingBalance + prize);
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assert(endingTimeStamp > startingTimeStamp);
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}
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function testHoelee() public raffleEntered skipFork {
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address expectedWinner = address(1);
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// Arrange
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uint256 additionalEntrances = 3;
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uint256 startingIndex = 1; // We have starting index be 1 so we can start with address(1) and not address(0)
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for (uint256 i = startingIndex; i < startingIndex + additionalEntrances; i++) {
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address player = address(uint160(i));
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hoax(player, 1 ether); // deal 1 eth to the player
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//vm.deal(player, 1 ether); // same
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raffle.enterRaffle{value: entranceFee}();
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}
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uint256 startingTimeStamp = raffle.getLastTimeStamp();
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uint256 startingBalance = expectedWinner.balance;
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// Act
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vm.recordLogs();
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raffle.performUpkeep(""); // emits requestId
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Vm.Log[] memory entries = vm.getRecordedLogs();
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console2.logBytes32(entries[1].topics[1]);
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bytes32 requestId = entries[1].topics[1]; // get the requestId from the logs
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VRFCoordinatorV2_5Mock(vrfCoordinatorV2_5).fulfillRandomWords(
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uint256(requestId),
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address(raffle)
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); // InsuficientBalance()
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// Assert
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address recentWinner = raffle.getRecentWinner();
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Raffle.RaffleState raffleState = raffle.getRaffleState();
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uint256 winnerBalance = recentWinner.balance;
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uint256 endingTimeStamp = raffle.getLastTimeStamp();
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uint256 prize = entranceFee * (additionalEntrances + 1);
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assert(recentWinner == expectedWinner);
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assert(uint256(raffleState) == 0);
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assert(winnerBalance == startingBalance + prize);
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assert(endingTimeStamp > startingTimeStamp);
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}
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}
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