GET /api/chain/:slug/contracts/:id

Return one contract and its 20 most recent transitions (newest first).

Auth

Bearer with viewer role or higher.

Response — 200

{
  "ok": true,
  "contract": {
    "id": "uuid",
    "name": "ProductionEscrow",
    "version": "1.0",
    "currentState": "funded",
    "definition": { ... },
    "createdAt": "...",
    "updatedAt": "..."
  },
  "transitions": [
    {
      "id": "uuid",
      "contractId": "uuid",
      "fromState": "pending",
      "toState": "funded",
      "operator": "NM26",
      "input": { "amount": 1000 },
      "result": { ... },
      "proofDigest": "7f…64hex",
      "zspEnvelope": { ... },
      "zeqondNumber": "2287439213",
      "success": true,
      "error": null,
      "triggeredBy": "ZEQ07491829374",
      "createdAt": "..."
    }
  ]
}

BigInt fields stringify for JSON safety.

Errors

Status	error	Cause
404	contract_not_found	id doesn't belong to this slug
403	forbidden	role < viewer