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OrderbookHandler

tempo_precompiles::stablecoin_dex::orderbook

Struct OrderbookHandler 

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pub struct OrderbookHandler {
    address: Address,
    base_slot: U256,
    pub base: <Address as StorableType>::Handler,
    pub quote: <Address as StorableType>::Handler,
    pub bids: <Mapping<i16, TickLevel> as StorableType>::Handler,
    pub asks: <Mapping<i16, TickLevel> as StorableType>::Handler,
    pub best_bid_tick: <i16 as StorableType>::Handler,
    pub best_ask_tick: <i16 as StorableType>::Handler,
    pub bid_bitmap: <Mapping<i16, U256> as StorableType>::Handler,
    pub ask_bitmap: <Mapping<i16, U256> as StorableType>::Handler,
}
Expand description

Type-safe handler for accessing #struct_name in storage.

Provides individual field access via public fields and whole-struct operations.

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§address: Address§base_slot: U256§base: <Address as StorableType>::Handler§quote: <Address as StorableType>::Handler§bids: <Mapping<i16, TickLevel> as StorableType>::Handler§asks: <Mapping<i16, TickLevel> as StorableType>::Handler§best_bid_tick: <i16 as StorableType>::Handler§best_ask_tick: <i16 as StorableType>::Handler§bid_bitmap: <Mapping<i16, U256> as StorableType>::Handler§ask_bitmap: <Mapping<i16, U256> as StorableType>::Handler

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impl OrderbookHandler

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pub fn new(base_slot: U256, address: Address) -> Self

Creates a new handler for the struct at the given base slot.

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pub fn base_slot(&self) -> U256

Returns the base storage slot where this struct’s data is stored.

Single-slot structs pack all fields into this slot. Multi-slot structs use consecutive slots starting from this base.

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fn as_slot(&self) -> Slot<Orderbook>

Returns a Slot<T> for whole-struct storage operations.

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impl OrderbookHandler

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pub fn tick_level_handler(&self, tick: i16, is_bid: bool) -> &TickLevelHandler

Returns a reference to the tick level handler for the given tick and side.

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pub fn tick_level_handler_mut( &mut self, tick: i16, is_bid: bool, ) -> &mut TickLevelHandler

Returns a mutable reference to the tick level handler for the given tick and side.

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fn calc_tick_word_idx(&self, tick: i16) -> Result<i16>

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pub fn set_tick_bit(&mut self, tick: i16, is_bid: bool) -> Result<()>

Sets the bitmap bit for tick to mark it as active on the given side.

§Errors
  • InvalidTick — tick is outside [MIN_TICK, MAX_TICK]
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pub fn delete_tick_bit(&mut self, tick: i16, is_bid: bool) -> Result<()>

Clears the bitmap bit for tick to mark it as inactive on the given side.

§Errors
  • InvalidTick — tick is outside [MIN_TICK, MAX_TICK]
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pub fn is_tick_initialized(&self, tick: i16, is_bid: bool) -> Result<bool>

Returns true if the given tick has active orders on the specified side.

§Errors
  • InvalidTick — tick is outside [MIN_TICK, MAX_TICK]
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pub fn next_initialized_tick( &self, tick: i16, is_bid: bool, ) -> Result<(i16, bool)>

Finds the next initialized tick with liquidity. Searches downward for bids, upward for asks.

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fn next_initialized_ask_tick(&self, tick: i16) -> Result<(i16, bool)>

Find next initialized ask tick higher than current tick.

Uses efficient bitmap word traversal: reads entire 256-bit words and uses bit manipulation to find set bits, minimizing storage reads.

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fn next_initialized_bid_tick(&self, tick: i16) -> Result<(i16, bool)>

Find next initialized bid tick lower than current tick.

Uses efficient bitmap word traversal: reads entire 256-bit words and uses bit manipulation to find set bits, minimizing storage reads.

Trait Implementations§

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impl Clone for OrderbookHandler

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fn clone(&self) -> OrderbookHandler

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for OrderbookHandler

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

Formats the value using the given formatter. Read more
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impl Handler<Orderbook> for OrderbookHandler

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fn t_read(&self) -> Result<Orderbook>

Reads the struct from transient storage.

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fn t_write(&mut self, value: Orderbook) -> Result<()>

Writes the struct to transient storage.

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fn t_delete(&mut self) -> Result<()>

Deletes the struct from transient storage.

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fn read(&self) -> Result<Orderbook>

Reads the value from storage.
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fn write(&mut self, value: Orderbook) -> Result<()>

Writes the value to storage.
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fn delete(&mut self) -> Result<()>

Deletes the value from storage (sets to zero).

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Size: 760 bytes