Struct order_book::pallet::Pallet

impl<T: Config> Pallet<T>

pub fn service_single_expiration( data_layer: &mut impl DataLayer<T>, order_book_id: &OrderBookId<AssetIdOf<T>, T::DEXId>, order_id: T::OrderId )

pub fn service_block( data_layer: &mut impl DataLayer<T>, block: T::BlockNumber, weight: &mut WeightMeter ) -> bool

Expire orders that are scheduled to expire at block. weight is used to track weight spent on the expirations, so that it doesn’t accidentally spend weight of the entire block (or even more).

Returns true if all expirations were processed and false if some expirations need to be retried when more weight is available.

impl<T: Config> Pallet<T>

pub fn create_orderbook( origin: OriginFor<T>, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId> ) -> DispatchResult

pub fn delete_orderbook( origin: OriginFor<T>, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId> ) -> DispatchResult

pub fn update_orderbook( origin: OriginFor<T>, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, tick_size: Balance, step_lot_size: Balance, min_lot_size: Balance, max_lot_size: Balance ) -> DispatchResult

pub fn change_orderbook_status( origin: OriginFor<T>, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, status: OrderBookStatus ) -> DispatchResult

pub fn place_limit_order( origin: OriginFor<T>, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, price: Balance, amount: Balance, side: PriceVariant, lifespan: Option<MomentOf<T>> ) -> DispatchResult

pub fn cancel_limit_order( origin: OriginFor<T>, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, order_id: T::OrderId ) -> DispatchResultWithPostInfo

pub fn cancel_limit_orders_batch( origin: OriginFor<T>, limit_orders_to_cancel: Vec<(OrderBookId<AssetIdOf<T>, T::DEXId>, Vec<T::OrderId>)> ) -> DispatchResultWithPostInfo

pub fn execute_market_order( origin: OriginFor<T>, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, direction: PriceVariant, amount: Balance ) -> DispatchResult

impl<T: Config> Pallet<T>

pub fn order_books<KArg>(k: KArg) -> Option<OrderBook<T>>where KArg: EncodeLike<OrderBookId<AssetIdOf<T>, T::DEXId>>,

impl<T: Config> Pallet<T>

pub fn limit_orders<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Option<LimitOrder<T>>where KArg1: EncodeLike<OrderBookId<AssetIdOf<T>, T::DEXId>>, KArg2: EncodeLike<T::OrderId>,

impl<T: Config> Pallet<T>

pub fn bids<KArg1, KArg2>( k1: KArg1, k2: KArg2 ) -> Option<PriceOrders<T::OrderId, T::MaxLimitOrdersForPrice>>where KArg1: EncodeLike<OrderBookId<AssetIdOf<T>, T::DEXId>>, KArg2: EncodeLike<OrderPrice>,

impl<T: Config> Pallet<T>

pub fn asks<KArg1, KArg2>( k1: KArg1, k2: KArg2 ) -> Option<PriceOrders<T::OrderId, T::MaxLimitOrdersForPrice>>where KArg1: EncodeLike<OrderBookId<AssetIdOf<T>, T::DEXId>>, KArg2: EncodeLike<OrderPrice>,

impl<T: Config> Pallet<T>

pub fn aggregated_bids<KArg>(k: KArg) -> MarketSide<T::MaxSidePriceCount>where KArg: EncodeLike<OrderBookId<AssetIdOf<T>, T::DEXId>>,

impl<T: Config> Pallet<T>

pub fn aggregated_asks<KArg>(k: KArg) -> MarketSide<T::MaxSidePriceCount>where KArg: EncodeLike<OrderBookId<AssetIdOf<T>, T::DEXId>>,

impl<T: Config> Pallet<T>

pub fn user_limit_orders<KArg1, KArg2>( k1: KArg1, k2: KArg2 ) -> Option<UserOrders<T::OrderId, T::MaxOpenedLimitOrdersPerUser>>where KArg1: EncodeLike<T::AccountId>, KArg2: EncodeLike<OrderBookId<AssetIdOf<T>, T::DEXId>>,

impl<T: Config> Pallet<T>

pub fn expired_orders_at<KArg>( k: KArg ) -> BoundedVec<(OrderBookId<AssetIdOf<T>, T::DEXId>, T::OrderId), T::MaxExpiringOrdersPerBlock>where KArg: EncodeLike<T::BlockNumber>,

impl<T: Config> Pallet<T>

pub fn incomplete_expirations_since() -> Option<T::BlockNumber>

Earliest block with incomplete expirations; Weight limit might not allow to finish all expirations for a block, so they might be operated later.

impl<T: Config> Pallet<T>

pub fn tech_account_for_order_book( order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId> ) -> <T as Config>::TechAccountId

pub fn register_tech_account( order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId> ) -> Result<(), DispatchError>

Validity of asset ids (for example, to have the same base asset for dex and pair) should be done beforehand

pub fn deregister_tech_account( order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId> ) -> Result<(), DispatchError>

Validity of asset ids (for example, to have the same base asset for dex and pair) should be done beforehand

pub fn assemble_order_book_id( dex_id: T::DEXId, input_asset_id: &AssetIdOf<T>, output_asset_id: &AssetIdOf<T> ) -> Option<OrderBookId<AssetIdOf<T>, T::DEXId>>

pub fn verify_create_orderbook_params( who: &T::AccountId, order_book_id: &OrderBookId<AssetIdOf<T>, T::DEXId> ) -> Result<(), DispatchError>

pub fn create_orderbook_unchecked( order_book_id: &OrderBookId<AssetIdOf<T>, T::DEXId> ) -> Result<(), DispatchError>

Trait Implementations§

fn clone(&self) -> Self

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

impl<T: Config> CurrencyLocker<<T as Config>::AccountId, <T as Config>::AssetId, <T as Config>::DEXId, DispatchError> for Pallet<T>

fn lock_liquidity( account: &T::AccountId, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, asset_id: &T::AssetId, amount: OrderVolume ) -> Result<(), DispatchError>

Lock amount of liquidity in order_book_id’s asset chosen by asset. The assets are taken from account.

impl<T: Config> CurrencyUnlocker<<T as Config>::AccountId, <T as Config>::AssetId, <T as Config>::DEXId, DispatchError> for Pallet<T>

fn unlock_liquidity( account: &T::AccountId, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, asset_id: &T::AssetId, amount: OrderVolume ) -> Result<(), DispatchError>

Unlock amount of liquidity in order_book_id’s asset chosen by asset. The assets are taken from account.

fn unlock_liquidity_batch( order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, asset_id: &T::AssetId, receivers: &BTreeMap<T::AccountId, OrderVolume> ) -> Result<(), DispatchError>

impl<T> Debug for Pallet<T>

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

Formats the value using the given formatter. Read more

impl<T: Config> Delegate<<T as Config>::AccountId, <T as Config>::AssetId, <T as Config>::OrderId, <T as Config>::DEXId> for Pallet<T>

fn emit_event( order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, event: OrderBookEvent<T::AccountId, T::OrderId> )

impl<T: Config> ExpirationScheduler<<T as Config>::BlockNumber, OrderBookId<<T as Config>::AssetId, <T as Config>::DEXId>, <T as Config>::DEXId, <T as Config>::OrderId, DispatchError> for Pallet<T>

fn service(current_block: T::BlockNumber, weight: &mut WeightMeter)

Execute scheduled expirations considering this block to be current_block and weight limit to be set by weight. Read more

fn schedule( when: T::BlockNumber, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, order_id: T::OrderId ) -> Result<(), DispatchError>

Schedule the order for expiration at block when.

fn unschedule( when: T::BlockNumber, order_book_id: OrderBookId<AssetIdOf<T>, T::DEXId>, order_id: T::OrderId ) -> Result<(), DispatchError>

Remove the order from expiration schedule for block when.

impl<T: Config> GetStorageVersion for Pallet<T>

fn current_storage_version() -> StorageVersion

Returns the current storage version as supported by the pallet.

fn on_chain_storage_version() -> StorageVersion

Returns the on-chain storage version of the pallet as stored in the storage.

impl<T: Config> Hooks<<T as Config>::BlockNumber> for Pallet<T>

fn on_initialize(current_block: T::BlockNumber) -> Weight

Perform scheduled expirations

fn on_finalize(_n: BlockNumber)

The block is being finalized. Implement to have something happen.

fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight

This will be run when the block is being finalized (before on_finalize). Implement to have something happen using the remaining weight. Will not fire if the remaining weight is 0. Return the weight used, the hook will subtract it from current weight used and pass the result to the next on_idle hook if it exists.

fn on_runtime_upgrade() -> Weight

Perform a module upgrade. Read more

fn offchain_worker(_n: BlockNumber)

Implementing this function on a module allows you to perform long-running tasks that make (by default) validators generate transactions that feed results of those long-running computations back on chain. Read more

fn integrity_test()

Run integrity test. Read more

impl<T: Config> IntegrityTest for Pallet<T>

fn integrity_test()

Run integrity test. Read more

impl<T: Config> LiquiditySource<<T as Config>::DEXId, <T as Config>::AccountId, <T as Config>::AssetId, u128, DispatchError> for Pallet<T>

fn can_exchange( dex_id: &T::DEXId, input_asset_id: &T::AssetId, output_asset_id: &T::AssetId ) -> bool

Check if liquidity source provides an exchange from given input asset to output asset.

fn quote( dex_id: &T::DEXId, input_asset_id: &T::AssetId, output_asset_id: &T::AssetId, amount: QuoteAmount<Balance>, _deduce_fee: bool ) -> Result<(SwapOutcome<Balance>, Weight), DispatchError>

Get spot price of tokens based on desired amount.

fn exchange( sender: &T::AccountId, receiver: &T::AccountId, dex_id: &T::DEXId, input_asset_id: &T::AssetId, output_asset_id: &T::AssetId, desired_amount: SwapAmount<Balance> ) -> Result<(SwapOutcome<Balance>, Weight), DispatchError>

Perform exchange based on desired amount.

fn check_rewards( _dex_id: &T::DEXId, _input_asset_id: &T::AssetId, _output_asset_id: &T::AssetId, _input_amount: Balance, _output_amount: Balance ) -> Result<(Vec<(Balance, T::AssetId, RewardReason)>, Weight), DispatchError>

Get rewards that are given for perfoming given exchange.

fn quote_without_impact( dex_id: &T::DEXId, input_asset_id: &T::AssetId, output_asset_id: &T::AssetId, amount: QuoteAmount<Balance>, _deduce_fee: bool ) -> Result<SwapOutcome<Balance>, DispatchError>

Get spot price of tokens based on desired amount, ignoring non-linearity of underlying liquidity source.

fn quote_weight() -> Weight

Get weight of quote

fn exchange_weight() -> Weight

Get weight of exchange

fn check_rewards_weight() -> Weight

Get weight of exchange

impl<T: Config> OffchainWorker<<T as Config>::BlockNumber> for Pallet<T>

fn offchain_worker(n: <T as Config>::BlockNumber)

This function is being called after every block import (when fully synced). Read more

impl<T: Config> OnFinalize<<T as Config>::BlockNumber> for Pallet<T>

fn on_finalize(n: <T as Config>::BlockNumber)

The block is being finalized. Implement to have something happen. Read more

impl<T: Config> OnGenesis for Pallet<T>

fn on_genesis()

Something that should happen at genesis.

impl<T: Config> OnIdle<<T as Config>::BlockNumber> for Pallet<T>

fn on_idle(n: <T as Config>::BlockNumber, remaining_weight: Weight) -> Weight

The block is being finalized. Implement to have something happen in case there is leftover weight. Check the passed remaining_weight to make sure it is high enough to allow for your pallet’s extra computation. Read more

impl<T: Config> OnInitialize<<T as Config>::BlockNumber> for Pallet<T>

fn on_initialize(n: <T as Config>::BlockNumber) -> Weight

The block is being initialized. Implement to have something happen. Read more

impl<T: Config> OnRuntimeUpgrade for Pallet<T>

fn on_runtime_upgrade() -> Weight

Perform a module upgrade. Read more

impl<T: Config> PalletInfoAccess for Pallet<T>

fn index() -> usize

Index of the pallet as configured in the runtime.

fn name() -> &'static str

Name of the pallet as configured in the runtime.

fn module_name() -> &'static str

Name of the Rust module containing the pallet.

fn crate_version() -> CrateVersion

Version of the crate containing the pallet.

impl<T: Config> PalletsInfoAccess for Pallet<T>

fn count() -> usize

The number of pallets’ information that this type represents. Read more

fn infos() -> Vec<PalletInfoData> ⓘ

All of the pallets’ information that this type represents.

impl<T> PartialEq<Pallet<T>> for Pallet<T>

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<T: Config> StorageInfoTrait for Pallet<T>

fn storage_info() -> Vec<StorageInfo> ⓘ

impl<T: Config> WhitelistedStorageKeys for Pallet<T>

fn whitelisted_storage_keys() -> Vec<TrackedStorageKey> ⓘ

Returns a Vec<TrackedStorageKey> indicating the storage keys that should be whitelisted during benchmarking. This means that those keys will be excluded from the benchmarking performance calculation.

impl<T> Eq for Pallet<T>

Auto Trait Implementations§

impl<T> RefUnwindSafe for Pallet<T>where T: RefUnwindSafe,

impl<T> Send for Pallet<T>where T: Send,

impl<T> Sync for Pallet<T>where T: Sync,

impl<T> Unpin for Pallet<T>where T: Unpin,

impl<T> UnwindSafe for Pallet<T>where T: UnwindSafe,

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CheckedConversion for T

fn checked_from<T>(t: T) -> Option<Self>where Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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Consume self to return Some equivalent value of Option<T>. Read more

impl<T> Conv for T

fn conv<T>(self) -> Twhere Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<T> Downcast for Twhere T: Any,

fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

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fn __clone_box(&self, _: Private) -> *mut ()

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Compare self to key and return true if they are equal.

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

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fn fmt_binary(self) -> FmtBinary<Self>where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self>where Self: Display,

Causes self to use its Display implementation when Debug-formatted.

fn fmt_lower_exp(self) -> FmtLowerExp<Self>where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.

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Causes self to use its LowerHex implementation when Debug-formatted.

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Causes self to use its Octal implementation when Debug-formatted.

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Causes self to use its Pointer implementation when Debug-formatted.

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Causes self to use its UpperExp implementation when Debug-formatted.

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Causes self to use its UpperHex implementation when Debug-formatted.

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Formats each item in a sequence. Read more

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Get a reference to the inner from the outer.

fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

impl<T> PalletVersionToStorageVersionHelper for Twhere T: GetStorageVersion + PalletInfoAccess,

fn migrate(db_weight: &RuntimeDbWeight) -> Weight

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.

impl<T, S> UniqueSaturatedInto<T> for Swhere T: Bounded, S: TryInto<T>,

fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> JsonSchemaMaybe for T

impl<T> MaybeDebug for Twhere T: Debug,

impl<T> MaybeDebug for Twhere T: Debug,

impl<T> MaybeRefUnwindSafe for Twhere T: RefUnwindSafe,