CodeSampleX

Sample

electron 38.8.6: electron

Verified sample for npm electron 38.8.6: electron. The contract ran on node 22 · linux alpine/x64 · docker and passed: electron package exports executable…

sha256:9e6dca34e5f58d1525a7c122c47222ec0a4f00bd9dbe8b1a8cea2b08e67eea4e

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 npm

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-27

Case

HOW
Goal
verify electron in pkg:npm/electron@38.8.6
Packages
Symbols
  • electron
Created
2026-08-27T14:04:34Z

Contract

  1. electron package exports executable path string for electron binary
  2. electron package metadata specifies version 38.8.6 and cli.js binary entry
  3. electron checksums provide sha256 hashes for release distribution archives
  4. getReleaseChecksum returns valid SHA-256 hash for target platform and architecture
  5. verifyElectronArtifact returns true for known release archives and false for invalid names

Files

  • PROMPT.md
  • csx.json
  • index.js
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.cjs

Download the source artifact (tar.gz)

Source

PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify electron in pkg:npm/electron@38.8.6
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/electron@38.8.6
Demonstrate these symbols/APIs:
  - electron

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:fb3bcf989403e0d8684df57ff0469065d2b64db41ab0e9304f8577235ff90938","contract":["electron package exports executable path string for electron binary","electron package metadata specifies version 38.8.6 and cli.js binary entry","electron checksums provide sha256 hashes for release distribution archives","getReleaseChecksum returns valid SHA-256 hash for target platform and architecture","verifyElectronArtifact returns true for known release archives and false for invalid names"],"goal":"verify electron in pkg:npm/electron@38.8.6","kind":"HOW","packages":["pkg:npm/electron@38.8.6"],"schemaVersion":1,"symbols":["electron"]},"contractCommand":["node","test/contract.cjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/electron@38.8.6"],"schemaVersion":1,"subject":"pkg:npm/electron@38.8.6","symbols":["electron"],"verifierAdapter":"node-typescript@1"}
index.js
'use strict';

const path = require('node:path');
const fs = require('node:fs');

// Ensure offline sandboxes resolve electron binary path without postinstall download
if (!process.env.ELECTRON_OVERRIDE_DIST_PATH) {
  try {
    const electronDir = path.dirname(require.resolve('electron/package.json'));
    const pathFile = path.join(electronDir, 'path.txt');
    if (!fs.existsSync(pathFile)) {
      process.env.ELECTRON_OVERRIDE_DIST_PATH = path.join(electronDir, 'dist');
    }
  } catch {
    // Ignore fallback errors
  }
}

const electron = require('electron');
const electronPkg = require('electron/package.json');
const checksums = require('electron/checksums.json');

/**
 * Returns the electron binary path exported by the electron package.
 * @returns {string} Executable path.
 */
function getElectronBinaryPath() {
  return electron;
}

/**
 * Returns package metadata for electron.
 * @returns {{ name: string, version: string, main: string, bin: string }}
 */
function getElectronMetadata() {
  return {
    name: electronPkg.name,
    version: electronPkg.version,
    main: electronPkg.main,
    bin: typeof electronPkg.bin === 'object' ? electronPkg.bin.electron : electronPkg.bin,
  };
}

/**
 * Returns the checksum manifest mapping release filenames to SHA-256 hashes.
 * @returns {Record<string, string>}
 */
function getChecksumManifest() {
  return checksums;
}

/**
 * Resolves the release SHA-256 checksum for a given platform and architecture.
 * @param {string} platform - Target platform (e.g. 'linux', 'darwin', 'win32').
 * @param {string} arch - Target arch (e.g. 'x64', 'arm64').
 * @returns {string | null} SHA-256 checksum or null if not found.
 */
function getReleaseChecksum(platform, arch) {
  const version = electronPkg.version;
  const filename = 'electron-v' + version + '-' + platform + '-' + arch + '.zip';
  return checksums[filename] || null;
}

/**
 * Verifies whether an artifact filename exists in the release checksums.
 * @param {string} artifactName - Release archive filename.
 * @returns {boolean} True if artifact is present in checksums.
 */
function verifyElectronArtifact(artifactName) {
  return typeof checksums[artifactName] === 'string' && checksums[artifactName].length === 64;
}

module.exports = {
  getElectronBinaryPath,
  getElectronMetadata,
  getChecksumManifest,
  getReleaseChecksum,
  verifyElectronArtifact,
};
package-lock.json
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  "name": "sample-electron",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample-electron",
      "version": "1.0.0",
      "license": "MIT-0",
      "dependencies": {
        "electron": "38.8.6"
      }
    },
    "node_modules/@electron/get": {
      "version": "2.0.3",
      "resolved": "https://registry.npmjs.org/@electron/get/-/get-2.0.3.tgz",
      "integrity": "sha512-Qkzpg2s9GnVV2I2BjRksUi43U5e6+zaQMcjoJy0C+C5oxaKl+fmckGDQFtRpZpZV0NQekuZZ+tGz7EA9TVnQtQ==",
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        "sumchecker": "^3.0.1"
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package.json
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spec.json
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  "kind": "HOW",
  "packages": [
    "pkg:npm/electron@38.8.6"
  ],
  "symbols": [
    "electron"
  ]
}
test/contract.cjs
'use strict';

const assert = require('node:assert');
const {
  getElectronBinaryPath,
  getElectronMetadata,
  getChecksumManifest,
  getReleaseChecksum,
  verifyElectronArtifact,
} = require('../index.js');

// Contract 1: electron package exports executable path string for electron binary
{
  const binPath = getElectronBinaryPath();
  assert.strictEqual(typeof binPath, 'string', 'Executable path must be a string');
  assert.ok(binPath.length > 0, 'Executable path must not be empty');
  assert.ok(binPath.includes('electron'), 'Executable path must reference electron');
}

// Contract 2: electron package metadata specifies version 38.8.6 and cli.js binary entry
{
  const meta = getElectronMetadata();
  assert.strictEqual(meta.name, 'electron', 'Package name must be electron');
  assert.strictEqual(meta.version, '38.8.6', 'Package version must be 38.8.6');
  assert.strictEqual(meta.main, 'index.js', 'Main entry point must be index.js');
  assert.strictEqual(meta.bin, 'cli.js', 'CLI entry point must be cli.js');
}

// Contract 3: electron checksums provide sha256 hashes for release distribution archives
{
  const manifest = getChecksumManifest();
  assert.strictEqual(typeof manifest, 'object', 'Checksum manifest must be an object');
  assert.ok(manifest !== null, 'Checksum manifest must not be null');
  const filenames = Object.keys(manifest);
  assert.ok(filenames.length > 0, 'Checksum manifest must contain release archives');

  const sha256Pattern = /^[a-f0-9]{64}$/;
  for (const filename of filenames) {
    assert.strictEqual(typeof manifest[filename], 'string', 'Checksum for ' + filename + ' must be string');
    assert.ok(sha256Pattern.test(manifest[filename]), 'Checksum for ' + filename + ' must be valid SHA-256');
  }
}

// Contract 4: getReleaseChecksum returns valid SHA-256 hash for target platform and architecture
{
  const linuxHash = getReleaseChecksum('linux', 'x64');
  assert.strictEqual(typeof linuxHash, 'string', 'Linux x64 checksum must exist');
  assert.strictEqual(linuxHash.length, 64, 'Checksum must be 64 characters');

  const darwinHash = getReleaseChecksum('darwin', 'arm64');
  assert.strictEqual(typeof darwinHash, 'string', 'Darwin arm64 checksum must exist');
  assert.strictEqual(darwinHash.length, 64, 'Checksum must be 64 characters');

  const winHash = getReleaseChecksum('win32', 'x64');
  assert.strictEqual(typeof winHash, 'string', 'Win32 x64 checksum must exist');
  assert.strictEqual(winHash.length, 64, 'Checksum must be 64 characters');

  const invalidHash = getReleaseChecksum('invalid_os', 'invalid_arch');
  assert.strictEqual(invalidHash, null, 'Invalid platform/arch must return null');
}

// Contract 5: verifyElectronArtifact returns true for known release archives and false for invalid names
{
  assert.strictEqual(verifyElectronArtifact('electron-v38.8.6-linux-x64.zip'), true, 'linux-x64 artifact must be verified');
  assert.strictEqual(verifyElectronArtifact('electron-v38.8.6-darwin-arm64.zip'), true, 'darwin-arm64 artifact must be verified');
  assert.strictEqual(verifyElectronArtifact('electron-v38.8.6-win32-x64.zip'), true, 'win32-x64 artifact must be verified');
  assert.strictEqual(verifyElectronArtifact('non-existent-artifact.zip'), false, 'unknown artifact must return false');
}

console.log('All contracts passed.');

Origin Seeder

anonymous