evm: forge init

.github/workflows/test.yml

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+name: test
+
+on:
+  pull_request:
+  push:
+    branches:
+    - main
+
+env:
+  FOUNDRY_PROFILE: ci
+
+jobs:
+  evm:
+    defaults:
+      run:
+        working-directory: ./evm
+    strategy:
+      fail-fast: true
+    name: Foundry project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+      - name: Run Forge build
+        run: |
+          forge --version
+          forge build --sizes
+        id: build
+      - name: Run Forge tests
+        run: |
+          forge test -vvv
+        id: test

.gitmodules

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+[submodule "evm/lib/forge-std"]
+	path = evm/lib/forge-std
+	url = https://github.com/foundry-rs/forge-std

evm/.gitignore

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+# Compiler files
+cache/
+out/
+
+# Ignores development broadcast logs
+!/broadcast
+/broadcast/*/31337/
+/broadcast/**/dry-run/
+
+# Docs
+docs/
+
+# Dotenv file
+.env

evm/foundry.toml

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+[profile.default]
+solc_version = "0.8.23"
+optimizer = false
+via_ir = true
+
+[fmt]
+line_length = 100
+
+[profile.release]
+optimizer = true
+optimizer_runs = 1_000_000_000

evm/script/Counter.s.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import {Script, console} from "forge-std/Script.sol";
+
+contract CounterScript is Script {
+    function setUp() public {}
+
+    function run() public {
+        vm.broadcast();
+    }
+}

evm/src/Counter.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+contract Counter {
+    uint256 public number;
+
+    function setNumber(uint256 newNumber) public {
+        number = newNumber;
+    }
+
+    function increment() public {
+        number++;
+    }
+}

evm/test/Counter.t.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import {Test, console} from "forge-std/Test.sol";
+import {Counter} from "../src/Counter.sol";
+
+contract CounterTest is Test {
+    Counter public counter;
+
+    function setUp() public {
+        counter = new Counter();
+        counter.setNumber(0);
+    }
+
+    function test_Increment() public {
+        counter.increment();
+        assertEq(counter.number(), 1);
+    }
+
+    function testFuzz_SetNumber(uint256 x) public {
+        counter.setNumber(x);
+        assertEq(counter.number(), x);
+    }
+}