our first commit!

Author: Alor

.gitignore

@@ -12,3 +12,7 @@ docs/
 
 # Dotenv file
 .env
+
+broadcast/
+
+lib/

.gitmodules

@@ -6,4 +6,4 @@
 	url = https://github.com/smartcontractkit/chainlink-brownie-contracts
 [submodule "lib/foundry-devops"]
 	path = lib/foundry-devops
-	url = https://github.com/ChainAccelOrg/foundry-devops
+	url = https://github.com/Cyfrin/foundry-devops

Makefile

@@ -0,0 +1,5 @@
+-include .env
+
+build:; forge build
+
+deploy-sepolia:; forge script script/DeployFundMe.s.sol:DeployFundMe --fork-url $(SEPOLIA_RPC_URL) --private-key $(PRIVATE_KEY) --broadcast --verify --etherscan-api-key $(ETHERSCAN_API_KEY) -vvvv

foundry.toml

@@ -3,5 +3,7 @@ src = "src"
 out = "out"
 libs = ["lib"]
 remappings = ["@chainlink/=lib/chainlink-brownie-contracts/"]
+ffi = true
+
 
 # See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options

script/Interactions.s.sol

@@ -5,10 +5,45 @@
 
 pragma solidity ^0.8.18;
 
-import {Script} from "forge-std/Script.sol";
+import {Script, console} from "forge-std/Script.sol";
+import {DevOpsTools} from "foundry-devops/src/DevOpsTools.sol";
+import {FundMe} from "../src/FundMe.sol";
 
 contract FundFundMe is Script {
-    function run() external {}
+    uint256 constant SEND_VALUE = 0.01 ether;
+
+    function fundFundMe(address mostRecentlyDeployed) public {
+        vm.startBroadcast();
+        FundMe(payable(mostRecentlyDeployed)).fund{value: SEND_VALUE}();
+        vm.stopBroadcast();
+        console.log("Funded FundMe with %s", SEND_VALUE);
+    }
+
+    function run() external {
+        address mostRecentlyDeployed = DevOpsTools.get_most_recent_deployment(
+            "FundMe",
+            block.chainid
+        );
+        vm.startBroadcast();
+        fundFundMe(mostRecentlyDeployed);
+        vm.stopBroadcast();
+    }
 }
 
-contract WithdrawFundMe is Script {}
+contract WithdrawFundMe is Script {
+    function withdrawFundMe(address mostRecentlyDeployed) public {
+        vm.startBroadcast();
+        FundMe(payable(mostRecentlyDeployed)).withdraw();
+        vm.stopBroadcast();
+    }
+
+    function run() external {
+        address mostRecentlyDeployed = DevOpsTools.get_most_recent_deployment(
+            "FundMe",
+            block.chainid
+        );
+        vm.startBroadcast();
+        withdrawFundMe(mostRecentlyDeployed);
+        vm.stopBroadcast();
+    }
+}

test/integration/InteractionsTest.t.sol

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.18;
+import {Test, console} from "forge-std/Test.sol";
+import {FundMe} from "../../src/FundMe.sol";
+import {DeployFundMe} from "../../script/DeployFundMe.s.sol";
+import {FundFundMe, WithdrawFundMe} from "../../script/Interactions.s.sol";
+
+contract InteractionsTest is Test {
+    FundMe fundMe;
+
+    address USER = makeAddr("user");
+    uint256 constant SEND_VALUE = 0.1 ether;
+    uint256 constant STARTING_BALANCE = 10 ether;
+    uint256 constant GAS_PRICE = 1;
+
+    function setUp() external {
+        DeployFundMe deployFundMe = new DeployFundMe();
+        fundMe = deployFundMe.run();
+        vm.deal(USER, STARTING_BALANCE);
+    }
+
+    function testUserCanFundInteractions() external {
+        FundFundMe fundFundMe = new FundFundMe();
+        fundFundMe.fundFundMe(address(fundMe));
+
+        WithdrawFundMe withdrawFundMe = new WithdrawFundMe();
+        withdrawFundMe.withdrawFundMe(address(fundMe));
+
+        assert(address(fundMe).balance == 0);
+    }
+}

test/FundMeTest.t.sol renamed to test/unit/FundMeTest.t.sol

@@ -2,8 +2,8 @@
 
 pragma solidity ^0.8.18;
 import {Test, console} from "forge-std/Test.sol";
-import {FundMe} from "../src/FundMe.sol";
-import {DeployFundMe} from "../script/DeployFundMe.s.sol";
+import {FundMe} from "../../src/FundMe.sol";
+import {DeployFundMe} from "../../script/DeployFundMe.s.sol";
 
 contract FundMeTest is Test {
     address USER = makeAddr("user");