Blockster Bankroll — full reference.

#[account]
pub struct GameRegistry {
    pub authority: Pubkey,             // 32 — set once at init
    pub settler: Pubkey,               // 32 — rotatable via update_config
    pub bux_mint: Pubkey,              // 32
    pub paused: bool,                  // 1
    pub bet_timeout: i64,              // 8  — seconds before reclaim eligible
    pub referral_bps: u16,             // 2  — tier-1 rate
    pub tier2_referral_bps: u16,       // 2  — tier-2 rate
    pub sol_vault_bump: u8,            // 1
    pub sol_vault_state_bump: u8,      // 1
    pub bux_vault_state_bump: u8,      // 1
    pub bux_token_account_bump: u8,    // 1
    pub bsol_mint_bump: u8,            // 1
    pub bsol_mint_authority_bump: u8,  // 1
    pub bbux_mint_bump: u8,            // 1
    pub bbux_mint_authority_bump: u8,  // 1
    pub game_count: u64,               // 8
    pub games: [GameEntry; 10],        // 730
    pub _reserved: [u8; 128],          // 128
}

pub struct GameEntry {
    pub game_id: u64,                  // 8
    pub name: [u8; 32],                // 32 — padded ASCII, e.g. b"coin_flip\0\0..."
    pub active: bool,                  // 1
    pub min_bet: u64,                  // 8  — lamports or BUX base units
    pub max_bet_bps: u16,              // 2  — cap 500 (= 5%)
    pub fee_bps: u16,                  // 2  — cap 1000 (= 10%), currently unused in settlement
    pub multipliers: [u16; 9],         // 18 — stored as bps/100; e.g. 198 → 1.98×
    pub _reserved: [u8; 2],            // 2
}

#[account]
pub struct SolVaultState {
    pub total_deposited: u64,          // Cumulative deposits by LPs
    pub total_withdrawn: u64,          // Cumulative withdrawals
    pub total_liability: u64,          // Sum of max_payout for pending bets
    pub unsettled_count: u64,          // Number of pending bets
    pub unsettled_bets: u64,           // Sum of wager amounts for pending bets
    pub house_profit: i64,             // Net vault P&L (signed, can be negative)
    pub total_bets: u64,               // Lifetime settled bet count (excludes reclaimed)
    pub total_volume: u64,             // Lifetime sum of settled wagers
    pub total_payout: u64,             // Lifetime sum of paid-out winnings
    pub largest_bet: u64,
    pub largest_payout: u64,
    pub lp_deposits_count: u64,
    pub lp_withdrawals_count: u64,
    pub total_referral_paid: u64,
    pub _reserved: [u8; 128],
}

#[account]
pub struct PlayerState {
    pub player: Pubkey,                // 32
    pub pending_commitment: [u8; 32],  // SHA256 of server seed for pending_nonce
    pub pending_nonce: u64,
    pub nonce: u64,                    // Next nonce to use
    pub has_active_order: bool,        // Reserved; currently not read or written

    // Referrals
    pub referrer: Pubkey,              // Tier-1; Pubkey::default if none
    pub tier2_referrer: Pubkey,        // Auto-resolved at set_referrer

    // Lifetime stats
    pub total_orders: u64,
    pub total_wagered_sol: u64,
    pub total_wagered_bux: u64,
    pub net_pnl_sol: i64,              // Can be negative
    pub net_pnl_bux: i64,

    pub bump: u8,
    pub _reserved: [u8; 64],
}

pub enum BetOrderStatus { Pending, Settled, Expired }
pub enum VaultType       { Sol, Bux }

#[account]
pub struct BetOrder {
    pub player: Pubkey,
    pub game_id: u64,
    pub vault_type: VaultType,
    pub amount: u64,                   // Wager
    pub max_payout: u64,               // amount × multiplier_bps / 10_000
    pub commitment_hash: [u8; 32],     // Copied from PlayerState at placement
    pub nonce: u64,
    pub status: BetOrderStatus,        // Always Pending while live
    pub created_at: i64,               // unix_timestamp
    pub bump: u8,
    pub rent_payer: Pubkey,            // Locked at placement to game_registry.settler
}

#[account]
pub struct ReferralState {
    pub referrer: Pubkey,
    pub total_referrals: u64,          // Unique players who chose this referrer
    pub total_earnings_sol: u64,
    pub total_earnings_bux: u64,
    pub bump: u8,
    pub _reserved: [u8; 32],
}