Struct Exchange 

pub struct Exchange {
    pub discriminator: [u8; 8],
    pub authority: Pubkey,
    pub operator: Pubkey,
    pub market_count: u64,
    pub paused: bool,
    pub bump: u8,
}

Exchange account - singleton state for the exchange

Layout:

• [0..8] discriminator (8 bytes)
• [8..40] authority (32 bytes)
• [40..72] operator (32 bytes)
• [72..80] market_count (8 bytes)
• [80] paused (1 byte)
• [81] bump (1 byte)
• [82..88] _padding (6 bytes)

Fields

discriminator: [u8; 8]

Account discriminator

authority: Pubkey

Exchange authority (can pause, set operator, create markets)

operator: Pubkey

Operator (can match orders)

market_count: u64

Number of markets created

paused: bool

Whether the exchange is paused

bump: u8

PDA bump seed

Implementations

impl Exchange

pub const LEN: usize = EXCHANGE_SIZE

Account size in bytes

pub fn deserialize(data: &[u8]) -> SdkResult<Self>

Deserialize from account data

pub fn is_exchange_account(data: &[u8]) -> bool

Check if account data has the exchange discriminator

Trait Implementations

impl Clone for Exchange

fn clone(&self) -> Exchange

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Exchange

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.