Struct PoolBooks 

#[repr(C)]
pub struct PoolBooks {
    pub pool_ct: u8,
    pub _pad: [u8; 7],
    pub metas: [PoolMeta; 32],
    pub books: [L2Book; 32],
}

Per-pool depth books delivered to multi-venue algos.

Written to WASM memory at POOL_BOOKS_WASM_OFFSET (0x14000) on a separate cadence from NBBO — typically per-block, not per-tick. Algos read this on demand during on_nbbo() via fixed WASM offset.

~23 KB total. Conditional memcpy: skipped when pool_ct == 0.

Fields

pool_ct: u8

Number of valid pool slots (0..MAX_POOLS).

_pad: [u8; 7]

metas: [PoolMeta; 32]

Metadata for each pool slot.

books: [L2Book; 32]

L2 books for each pool. books[i] corresponds to metas[i].

Implementations

impl PoolBooks

pub fn book_for_pool(&self, addr: &[u8; 32], pair_index: u16) -> Option<&L2Book>

Look up the L2Book for a specific pool by address and pair_index.

pub fn book_at_slot(&self, slot: usize) -> &L2Book

Direct access to the L2Book at a given slot index.

pub fn meta_at_slot(&self, slot: usize) -> &PoolMeta

Direct access to the PoolMeta at a given slot index.

Trait Implementations

impl Clone for PoolBooks

fn clone(&self) -> PoolBooks

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for PoolBooks

fn default() -> Self

Returns the “default value” for a type.