GET /api/markets?state=Active&limit=20

{
  "success": true,
  "markets": [
    {
      "id": "1",
      "question": "Will BTC reach $100k by end of 2025?",
      "category": "Crypto",
      "state": "Active",
      "yes_pool": "5000000000000000000",
      "no_pool": "3000000000000000000",
      "volume": "8000000000000000000",
      "odds": { "yes": 62.5, "no": 37.5 },
      "roi": { "yes": 28.0, "no": 66.67 },
      "bet_count": 42,
      "participant_count": 15,
      "created_at": "2025-10-28T12:00:00Z",
      "end_time": "2025-11-15T12:00:00Z"
    }
  ],
  "total": 125,
  "limit": 20,
  "offset": 0
}

GET /api/markets/1

{
  "success": true,
  "market": {
    "id": "1",
    "question": "Will BTC reach $100k in 2025?",
    "creator": "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb",
    "category": "Crypto",
    "state": "Active",
    "yes_pool": "5000000000000000000",
    "no_pool": "3000000000000000000",
    "volume": "8000000000000000000",
    "odds": { "yes": 62.5, "no": 37.5 },
    "roi": { "yes": 28.0, "no": 66.67 },
    "created_at": "2025-10-07T12:00:00Z",
    "end_time": "2025-10-08T12:00:00Z"
  }
}

GET /api/markets/1/bets?limit=20&outcome=true

{
  "success": true,
  "bets": [
    {
      "id": "abc-123-def",
      "market_id": "1",
      "user_address": "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb",
      "outcome": true,
      "amount": "1000000000000000000",
      "odds": 62.5,
      "timestamp": 1696700400000
    }
  ],
  "total": 42
}