Data Models

#[account]
pub struct Market {
    pub id: [u8; 20],            // Market ID (short market name)
    pub creator: Pubkey,         // Market creator
    pub metadata_uri: String,    // URI to off-chain metadata (IPFS)
    pub collateral_vault: Pubkey, // Vault holding collateral

    pub liquidity: u64,          // Total liquidity provided for pmAMM
    pub x_liquidity: u64,        // X liquidity (reserve)
    pub y_liquidity: u64,        // Y liquidity (reserve)

    pub volume: u64,             // Total trading volume
    pub expiry_timestamp: i64,   // When market expires
    pub outcome: MarketOutcome,  // Market outcome status

    pub resolved_at: i64,        // Timestamp when resolved
    pub resolver: Pubkey,        // Who resolved the market
    // ...padding
}

{
  "type": "crypto",
  "question": "Will Bitcoin reach $150,000 by end of 2025?",
  "description": "This market will resolve to 'Yes' if Bitcoin (BTC) reaches or exceeds $100,000 USD on any major exchange before December 31, 2025, 23:59:59 UTC.",
  "rules": [
    "Price must be confirmed on at least 3 major exchanges (Binance, Coinbase, Kraken)",
    "Timestamp will be based on UTC timezone",
    "Any BTC/USD or BTC/USDT pair is valid for resolution",
    "If data sources are unavailable, CoinGecko API will be used as backup"
  ],
  "image": "ipfs://QmX1a2b3c4d5e6f7g8h9i0j1k2l3m4n5o6p7q8r9s0t1u2",
  "x": "YES",
  "y": "NO",
  "tags": ["price-prediction"],
  "link": "bitcoin-100k-2025",
  "expiry_timestamp": 1735689599
}

#[account]
pub struct Bet {
    pub market: Pubkey,              // Market this bet belongs to
    pub user: Pubkey,                // User who placed the bet
    pub x_amount: u64,               // Amount of X tokens held
    pub y_amount: u64,               // Amount of Y tokens held
    pub collateral_deposited: u64,   // Total collateral deposited
    // ...padding
}