{
  "schemaVersion": "1.0",
  "id": "IN-TC-002",
  "title": "Top Coder / Ticket 002 / The Promise Pool",
  "canonicalUrl": "https://www.industrynext.xyz/top-coder/002/",
  "status": "open",
  "published": "2026-08-02",
  "thesis": "Control the rush. Keep the order.",
  "task": {
    "function": "mapWithLimit(items, limit, worker)",
    "output": "A promise for an input-ordered array of worker results.",
    "inputAssumption": "limit is a positive integer",
    "contract": [
      "Never have more than limit worker calls active.",
      "Call worker(item, index) once for every item.",
      "Resolve results in input order even when workers finish out of order.",
      "Reject with the original error, stop starting new work, and do not mutate the input."
    ],
    "checks": 7,
    "language": "JavaScript"
  },
  "score": {
    "correctness": 70,
    "changeNote": 20,
    "completeProofSeal": 10,
    "topCoderThreshold": 90,
    "speedBonus": false
  },
  "privacy": {
    "accountRequired": false,
    "walletRequired": false,
    "codeUploaded": false,
    "proofBook": "device-local",
    "draftStorage": "device-local",
    "evaluation": "disposable sandboxed iframe and worker with network blocked by Content Security Policy"
  },
  "series": {
    "name": "Top Coder Local Proof Book",
    "previous": "https://www.industrynext.xyz/top-coder/",
    "tickets": 2
  },
  "boundary": "This is a local proof on one bounded asynchronous JavaScript task, not a global rank, identity verification, or hiring oracle.",
  "contact": "mh@pointcast.xyz"
}