fix: Windows genlayer up, localhost access, cross-platform CI

.github/workflows/cli-docs.yml

@@ -35,7 +35,7 @@ jobs:
             echo "value=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
           else
             # Prefer package.json version when not a release event
-            echo "value=$(node -p \"require('./package.json').version\")" >> $GITHUB_OUTPUT
+            echo "value=$(node -p 'require("./package.json").version')" >> $GITHUB_OUTPUT
           fi
 
       - name: Generate CLI docs (MDX)

.github/workflows/validate-code.yml

@@ -12,14 +12,18 @@ on:
 
 jobs:
   build-and-test:
-    name: Build and Test
-    runs-on: ubuntu-latest
+    name: Build and Test (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
       - name: Install libsecret runtime
+        if: runner.os == 'Linux'
         run: sudo apt-get update && sudo apt-get install -y libsecret-1-0
 
       - name: Set up Node.js
@@ -38,10 +42,10 @@ jobs:
         run: npm run test:coverage
 
       - name: Upload coverage report
-        if: success()
+        if: success() && matrix.os == 'ubuntu-latest'
         uses: codecov/codecov-action@v5.4.3
         with:
           verbose: true
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true
-          directory: coverage
+          directory: coverage

package.json

@@ -12,6 +12,7 @@
     "scripts",
     "templates",
     ".env.example",
+    "docker-compose.yml",
     "README.md",
     "LICENSE"
   ],

src/commands/general/init.ts

@@ -127,6 +127,7 @@ export class InitAction extends BaseAction {
       this.simulatorService.addConfigToEnvFile({LOCALNETVERSION: localnetVersion});
 
       this.setSpinnerText("Running GenLayer Localnet...");
+      this.simulatorService.setupLocalhostAccess();
       await this.simulatorService.runSimulator();
 
       this.setSpinnerText("Waiting for localnet to be ready...");

src/commands/general/start.ts

@@ -41,6 +41,7 @@ export class StartAction extends BaseAction {
     this.setSpinnerText(`Starting GenLayer Localnet (${restartValidatorsHintText})...`);
 
     try {
+      this.simulatorService.setupLocalhostAccess();
       await this.simulatorService.runSimulator();
     } catch (error) {
       this.failSpinner("Error starting the simulator", error);

src/lib/config/simulator.ts

@@ -3,9 +3,9 @@ export const DEFAULT_JSON_RPC_URL = "http://localhost:4000/api";
 export const CONTAINERS_NAME_PREFIX = "/genlayer-";
 export const IMAGES_NAME_PREFIX = "yeagerai";
 export const DEFAULT_RUN_SIMULATOR_COMMAND = (location: string, profiles: string) => ({
-  darwin: `osascript -e 'tell application "Terminal" to do script "cd ${location} && docker compose build && docker compose -p genlayer ${profiles} up"'`,
-  win32: `start cmd.exe /c "cd /d ${location} && docker compose build && docker compose -p genlayer ${profiles} up && pause"`,
-  linux: `nohup bash -c 'cd ${location} && docker compose build && docker compose -p genlayer ${profiles} up -d '`,
+  darwin: `osascript -e 'tell application "Terminal" to do script "cd \\"${location}\\" && docker compose build && docker compose -p genlayer ${profiles} up"'`,
+  win32: `cd /d "${location}" && docker compose build && docker compose -p genlayer ${profiles} up -d`,
+  linux: `nohup bash -c 'cd "${location}" && docker compose build && docker compose -p genlayer ${profiles} up -d'`,
 });
 export const DEFAULT_RUN_DOCKER_COMMAND = {
   darwin: "open -a Docker",

src/lib/interfaces/ISimulatorService.ts

@@ -22,6 +22,7 @@ export interface ISimulatorService {
   normalizeLocalnetVersion(version: string): string;
   compareVersions(version1: string, version2: string): number;
   isLocalnetRunning(): Promise<boolean>;
+  setupLocalhostAccess(): void;
 }
 
 

src/lib/services/simulator.ts

@@ -335,6 +335,37 @@ export class SimulatorService implements ISimulatorService {
     return 0;
   }
 
+  public setupLocalhostAccess(): void {
+    const overridePath = path.join(this.location, 'docker-compose.override.yml');
+    const overrideContent = `# Auto-generated by genlayer CLI — enables localhost access for local development
+services:
+  jsonrpc:
+    volumes:
+      - ./config-overrides/genvm-module-web.yaml:/genvm/config/genvm-module-web.yaml:ro
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+      - "anvil-local:host-gateway"
+`;
+    fs.writeFileSync(overridePath, overrideContent);
+
+    const configDir = path.join(this.location, 'config-overrides');
+    if (!fs.existsSync(configDir)) {
+      fs.mkdirSync(configDir, { recursive: true });
+    }
+
+    const genvmConfigPath = path.join(configDir, 'genvm-module-web.yaml');
+    const genvmConfigContent = `# Auto-generated by genlayer CLI — allows GenVM to reach localhost services
+always_allow_hosts:
+  - "localhost"
+  - "127.0.0.1"
+  - "host.docker.internal"
+  - "anvil-local"
+`;
+    fs.writeFileSync(genvmConfigPath, genvmConfigContent);
+
+    console.warn('\x1b[33m⚠ Localhost access enabled — GenVM can reach host services (Anvil, local APIs). Not for production use.\x1b[0m');
+  }
+
   public async isLocalnetRunning(): Promise<boolean> {
     const genlayerContainers = await this.getGenlayerContainers();
     const runningContainers = genlayerContainers.filter(container => container.State === "running");

tests/actions/init.test.ts

@@ -23,6 +23,7 @@ describe("InitAction", () => {
   let openFrontendSpy: ReturnType<typeof vi.spyOn>;
   let getFrontendUrlSpy: ReturnType<typeof vi.spyOn>;
   let normalizeLocalnetVersionSpy: ReturnType<typeof vi.spyOn>;
+  let setupLocalhostAccessSpy: ReturnType<typeof vi.spyOn>;
 
   const defaultConfig = {defaultOllamaModel: "llama3"};
 
@@ -82,6 +83,9 @@ describe("InitAction", () => {
     normalizeLocalnetVersionSpy = vi
       .spyOn(SimulatorService.prototype, "normalizeLocalnetVersion")
       .mockImplementation((v: string) => v) as any;
+    setupLocalhostAccessSpy = vi
+      .spyOn(SimulatorService.prototype, "setupLocalhostAccess")
+      .mockImplementation(() => {});
     vi.spyOn(SimulatorService.prototype, "isLocalnetRunning").mockResolvedValue(false);
   });
 
@@ -90,6 +94,18 @@ describe("InitAction", () => {
   });
 
   describe("Successful Execution", () => {
+    test("should call setupLocalhostAccess before running simulator", async () => {
+      inquirerPromptSpy
+        .mockResolvedValueOnce({confirmAction: true})
+        .mockResolvedValueOnce({selectedLlmProviders: ["openai"]})
+        .mockResolvedValueOnce({openai: "API_KEY_OPENAI"});
+
+      await initAction.execute(defaultOptions);
+
+      expect(setupLocalhostAccessSpy).toHaveBeenCalled();
+      expect(runSimulatorSpy).toHaveBeenCalled();
+    });
+
     test("should show combined confirmation message when localnet is running", async () => {
       vi.spyOn(SimulatorService.prototype, "isLocalnetRunning").mockResolvedValue(true);
 

tests/actions/start.test.ts

@@ -41,6 +41,15 @@ describe("StartAction", () => {
     ollama: false
   };
 
+  test("should call setupLocalhostAccess before running simulator", async () => {
+    mockSimulatorService.isLocalnetRunning = vi.fn().mockResolvedValue(false);
+
+    await startAction.execute(defaultOptions);
+
+    expect(mockSimulatorService.setupLocalhostAccess).toHaveBeenCalled();
+    expect(mockSimulatorService.runSimulator).toHaveBeenCalled();
+  });
+
   test("should check if localnet is running and proceed without confirmation when not running", async () => {
     mockSimulatorService.isLocalnetRunning = vi.fn().mockResolvedValue(false);
 

tests/libs/configFileManager.test.ts

@@ -9,15 +9,16 @@ vi.mock("fs");
 vi.mock("os")
 
 describe("ConfigFileManager", () => {
-  const mockFolderPath = "/mocked/home/.genlayer";
-  const mockKeystoresPath = `${mockFolderPath}/keystores`;
-  const mockConfigFilePath = `${mockFolderPath}/genlayer-config.json`;
+  const mockHome = path.resolve("/mocked/home");
+  const mockFolderPath = path.resolve(mockHome, ".genlayer");
+  const mockKeystoresPath = path.resolve(mockFolderPath, "keystores");
+  const mockConfigFilePath = path.resolve(mockFolderPath, "genlayer-config.json");
 
   let configFileManager: ConfigFileManager;
 
   beforeEach(() => {
     vi.clearAllMocks();
-    vi.mocked(os.homedir).mockReturnValue("/mocked/home");
+    vi.mocked(os.homedir).mockReturnValue(mockHome);
     vi.mocked(fs.existsSync).mockReturnValue(true);
     vi.mocked(fs.readFileSync).mockReturnValue(JSON.stringify({}));
     configFileManager = new ConfigFileManager();

tests/libs/platformCommands.test.ts

@@ -0,0 +1,78 @@
+import {describe, test, expect} from "vitest";
+import {DEFAULT_RUN_SIMULATOR_COMMAND} from "../../src/lib/config/simulator";
+
+describe("Platform-specific command generation", () => {
+  describe("DEFAULT_RUN_SIMULATOR_COMMAND", () => {
+    test("win32 command does not use start cmd.exe", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/some/path", "");
+      expect(cmds.win32).not.toContain("start cmd.exe");
+    });
+
+    test("win32 command quotes the path", () => {
+      const pathWithSpaces = "C:\\Program Files\\genlayer";
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND(pathWithSpaces, "");
+      expect(cmds.win32).toContain(`"${pathWithSpaces}"`);
+    });
+
+    test("win32 command uses -d flag for detached mode", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path", "");
+      expect(cmds.win32).toContain("up -d");
+    });
+
+    test("win32 command uses cd /d for drive changes", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("D:\\projects\\genlayer", "");
+      expect(cmds.win32).toContain("cd /d");
+    });
+
+    test("linux command uses nohup with -d flag", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path", "");
+      expect(cmds.linux).toContain("nohup");
+      expect(cmds.linux).toContain("up -d");
+    });
+
+    test("linux command quotes the path", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path with spaces", "");
+      expect(cmds.linux).toContain('"/path with spaces"');
+    });
+
+    test("darwin command uses osascript", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path", "");
+      expect(cmds.darwin).toContain("osascript");
+    });
+
+    test("darwin command quotes the path for spaces", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path with spaces", "");
+      expect(cmds.darwin).toContain("/path with spaces");
+    });
+
+    test("all platforms include profiles when provided", () => {
+      const profiles = "--profile frontend --profile ollama";
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path", profiles);
+      expect(cmds.darwin).toContain(profiles);
+      expect(cmds.win32).toContain(profiles);
+      expect(cmds.linux).toContain(profiles);
+    });
+
+    test("all platforms include docker compose build and up", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path", "");
+      for (const platform of ["darwin", "win32", "linux"] as const) {
+        expect(cmds[platform]).toContain("docker compose build");
+        expect(cmds[platform]).toContain("docker compose -p genlayer");
+      }
+    });
+
+    test("all platforms handle empty profiles", () => {
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND("/path", "");
+      for (const platform of ["darwin", "win32", "linux"] as const) {
+        expect(cmds[platform]).toContain("docker compose -p genlayer  up");
+      }
+    });
+
+    test("paths with spaces are quoted on win32 and linux", () => {
+      const spacePath = "/some path/with spaces";
+      const cmds = DEFAULT_RUN_SIMULATOR_COMMAND(spacePath, "");
+      expect(cmds.win32).toContain(`"${spacePath}"`);
+      expect(cmds.linux).toContain(`"${spacePath}"`);
+    });
+  });
+});

tests/services/simulator.test.ts

@@ -703,3 +703,87 @@ describe("compareVersions", () => {
     expect(simulatorService.compareVersions("v1.0.1-beta", "1.0.0")).toBe(1);
   });
 });
+
+describe("setupLocalhostAccess", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    vi.mocked(path.join).mockImplementation((...args) => args.join("/"));
+  });
+
+  test("should write docker-compose.override.yml to location", () => {
+    vi.mocked(fs.existsSync).mockReturnValue(true);
+    const consoleWarnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+
+    simulatorService.setupLocalhostAccess();
+
+    const writeCalls = vi.mocked(fs.writeFileSync).mock.calls;
+    const overrideCall = writeCalls.find(c =>
+      (c[0] as string).includes("docker-compose.override.yml")
+    );
+    expect(overrideCall).toBeDefined();
+    expect(overrideCall![1]).toContain("jsonrpc");
+    expect(overrideCall![1]).toContain("extra_hosts");
+    expect(overrideCall![1]).toContain("host.docker.internal:host-gateway");
+
+    consoleWarnSpy.mockRestore();
+  });
+
+  test("should create config-overrides directory if it does not exist", () => {
+    vi.mocked(fs.existsSync).mockReturnValue(false);
+    const consoleWarnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+
+    simulatorService.setupLocalhostAccess();
+
+    expect(fs.mkdirSync).toHaveBeenCalledWith(
+      expect.stringContaining("config-overrides"),
+      { recursive: true }
+    );
+
+    consoleWarnSpy.mockRestore();
+  });
+
+  test("should not create config-overrides directory if it already exists", () => {
+    vi.mocked(fs.existsSync).mockReturnValue(true);
+    const consoleWarnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+
+    simulatorService.setupLocalhostAccess();
+
+    expect(fs.mkdirSync).not.toHaveBeenCalled();
+
+    consoleWarnSpy.mockRestore();
+  });
+
+  test("should write genvm-module-web.yaml with localhost access hosts", () => {
+    vi.mocked(fs.existsSync).mockReturnValue(true);
+    const consoleWarnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+
+    simulatorService.setupLocalhostAccess();
+
+    const writeCalls = vi.mocked(fs.writeFileSync).mock.calls;
+    const configCall = writeCalls.find(c =>
+      (c[0] as string).includes("genvm-module-web.yaml")
+    );
+    expect(configCall).toBeDefined();
+    const content = configCall![1] as string;
+    expect(content).toContain("always_allow_hosts");
+    expect(content).toContain("localhost");
+    expect(content).toContain("127.0.0.1");
+    expect(content).toContain("host.docker.internal");
+    expect(content).toContain("anvil-local");
+
+    consoleWarnSpy.mockRestore();
+  });
+
+  test("should print a warning about localhost access", () => {
+    vi.mocked(fs.existsSync).mockReturnValue(true);
+    const consoleWarnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+
+    simulatorService.setupLocalhostAccess();
+
+    expect(consoleWarnSpy).toHaveBeenCalledWith(
+      expect.stringContaining("Localhost access enabled")
+    );
+
+    consoleWarnSpy.mockRestore();
+  });
+});