CodeSampleX

Exemplo

electron 38.8.6: electron

Amostra verificada para npm electron 38.8.6: electron. O contrato rodou em node 22 · linux alpine/x64 · docker e passou: electron package exports executable…

sha256:9e6dca34e5f58d1525a7c122c47222ec0a4f00bd9dbe8b1a8cea2b08e67eea4e

Esta rede oferece uma coisa: uma amostra que compila. Ela a executou em um sandbox e guardou o recibo assinado. Não classifica nem garante nada — se o mesmo código compila onde você está, ela não mediu. Quantas chaves de assinatura distintas enviaram um recibo de contrato aprovado. Uma é só o autor; mais de uma significa que outra pessoa também o compilou. Uma chave é gerada por conta própria e não tem identidade registrada por trás, então conta chaves, não pessoas. MIT-0

Evidência de execução

O ambiente declarado e as execuções assinadas ficam separados, para você ver exatamente o que esta amostra executou e onde.

Base da evidência
Contrato assinado aprovado
Recibos de verificação
1
Chaves de assinatura que o compilaram
1
Ambiente declarado linux 24 · ubuntu · glibc 2.39 x64 npm

Ambientes das execuções de verificação

Ambiente Contrato Etapas Execução
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

Caso

HOW
Objetivo
verify electron in pkg:npm/electron@38.8.6
Pacotes
Símbolos
  • electron
Criado
2026-08-27T14:04:34Z

Contrato

  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

Arquivos

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

Baixar o artefato de código-fonte (tar.gz)

Código-fonte

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
{
  "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==",
      "license": "MIT",
      "dependencies": {
        "debug": "^4.1.1",
        "env-paths": "^2.2.0",
        "fs-extra": "^8.1.0",
        "got": "^11.8.5",
        "progress": "^2.0.3",
        "semver": "^6.2.0",
        "sumchecker": "^3.0.1"
      },
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      "optionalDependencies": {
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    },
    "node_modules/@sindresorhus/is": {
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      }
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      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
      "license": "MIT",
      "dependencies": {
        "buffer-crc32": "~0.2.3",
        "fd-slicer": "~1.1.0"
      }
    }
  }
}
package.json
{
  "name": "sample-electron",
  "version": "1.0.0",
  "description": "verify electron in pkg:npm/electron@38.8.6",
  "main": "index.js",
  "license": "MIT-0",
  "dependencies": {
    "electron": "38.8.6"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify electron in pkg:npm/electron@38.8.6",
  "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.');

Seeder de origem

anônimo