Struct dex_general::pallet::Pallet

impl<T: Config> Pallet<T>

pub fn supply_out_amount( supply: AssetBalance, path: Vec<T::AssetId> ) -> AssetBalance

pub fn desired_in_amount( desired_amount: AssetBalance, path: Vec<T::AssetId> ) -> AssetBalance

pub fn get_estimate_lptoken( asset_0: T::AssetId, asset_1: T::AssetId, amount_0_desired: AssetBalance, amount_1_desired: AssetBalance, amount_0_min: AssetBalance, amount_1_min: AssetBalance ) -> AssetBalance

pub fn get_pair_by_asset_id( asset_0: T::AssetId, asset_1: T::AssetId ) -> Option<PairInfo<T::AccountId, AssetBalance, T::AssetId>>

pub fn calculate_remove_liquidity( asset_0: T::AssetId, asset_1: T::AssetId, amount: AssetBalance ) -> Option<(AssetBalance, AssetBalance)>

Calculate the underlying amounts for burning LP tokens using the formula (lp_balance * reserve) / lp_total_supply

impl<T: Config> Pallet<T>

pub fn pair_account_id(asset_0: T::AssetId, asset_1: T::AssetId) -> T::AccountId

The account ID of a pair account only use two byte prefix to support 16 byte account id (used by test) “modl” ++ “dex/genr” is 12 bytes, and 4 bytes remaining for hash of AssetId pair. for AccountId32, 20 bytes remaining for hash of AssetId pair.

pub fn sort_asset_id( asset_0: T::AssetId, asset_1: T::AssetId ) -> (T::AssetId, T::AssetId)

Sorted the foreign id of assets pair

pub fn lp_asset_id( asset_0: &T::AssetId, asset_1: &T::AssetId ) -> Option<T::AssetId>

pub fn inner_swap_assets_for_exact_assets( who: &T::AccountId, amount_out: AssetBalance, amount_in_max: AssetBalance, path: &[T::AssetId], recipient: &T::AccountId ) -> DispatchResult

pub fn get_amount_in_by_path( amount_out: AssetBalance, path: &[T::AssetId] ) -> Result<Vec<AssetBalance>, DispatchError>

pub fn get_amount_out_by_path( amount_in: AssetBalance, path: &[T::AssetId] ) -> Result<Vec<AssetBalance>, DispatchError>

impl<T: Config> Pallet<T>

pub fn set_fee_receiver( origin: OriginFor<T>, send_to: Option<<T::Lookup as StaticLookup>::Source> ) -> DispatchResult

Set the new receiver of the protocol fee.

Arguments

send_to: (1) Some(receiver): it turn on the protocol fee and the new receiver account. (2) None: it turn off the protocol fee.

pub fn set_fee_point(origin: OriginFor<T>, fee_point: u8) -> DispatchResult

Set the protocol fee point.

Arguments

fee_point: An integer y which satisfies the equation 1/x-1=y where x is the percentage of the exchange fee e.g. 1/(1/6)-1=5, 1/(1/2)-1=1 See section 2.4 of the Uniswap v2 whitepaper

pub fn set_exchange_fee( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, fee_rate: u128 ) -> DispatchResult

Set the exchange fee rate.

Arguments

asset_0: Asset which makes up the pair
asset_1: Asset which makes up the pair
fee_rate: Value denoting the trading fee taken from the amount paid in, multiplied by the fee adjustment to simplify calculations. e.g. 0.3% / 100 = 0.003 0.003 * 10000 = 30 See section 3.2.1 of the Uniswap v2 whitepaper

pub fn create_pair( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, fee_rate: u128 ) -> DispatchResult

Create pair by two assets.

The order of assets does not effect the result.

Arguments

asset_0: Asset which make up Pair
asset_1: Asset which make up Pair

pub fn add_liquidity( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, amount_0_desired: AssetBalance, amount_1_desired: AssetBalance, amount_0_min: AssetBalance, amount_1_min: AssetBalance, deadline: BlockNumberFor<T> ) -> DispatchResult

Provide liquidity to a pair.

The order of assets does not effect the result.

Arguments

asset_0: Asset which make up pair
asset_1: Asset which make up pair
amount_0_desired: Maximum amount of asset_0 added to the pair
amount_1_desired: Maximum amount of asset_1 added to the pair
amount_0_min: Minimum amount of asset_0 added to the pair
amount_1_min: Minimum amount of asset_1 added to the pair
deadline: Height of the cutoff block of this transaction

pub fn remove_liquidity( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, liquidity: AssetBalance, amount_0_min: AssetBalance, amount_1_min: AssetBalance, recipient: <T::Lookup as StaticLookup>::Source, deadline: BlockNumberFor<T> ) -> DispatchResult

Extract liquidity.

The order of assets does not effect the result.

Arguments

asset_0: Asset which make up pair
asset_1: Asset which make up pair
amount_asset_0_min: Minimum amount of asset_0 to exact
amount_asset_1_min: Minimum amount of asset_1 to exact
recipient: Account that accepts withdrawal of assets
deadline: Height of the cutoff block of this transaction

pub fn swap_exact_assets_for_assets( origin: OriginFor<T>, amount_in: AssetBalance, amount_out_min: AssetBalance, path: Vec<T::AssetId>, recipient: <T::Lookup as StaticLookup>::Source, deadline: BlockNumberFor<T> ) -> DispatchResult

Sell amount of asset by path.

Arguments

amount_in: Amount of the asset will be sold
amount_out_min: Minimum amount of target asset
path: path can convert to pairs.
recipient: Account that receive the target asset
deadline: Height of the cutoff block of this transaction

pub fn swap_assets_for_exact_assets( origin: OriginFor<T>, amount_out: AssetBalance, amount_in_max: AssetBalance, path: Vec<T::AssetId>, recipient: <T::Lookup as StaticLookup>::Source, deadline: BlockNumberFor<T> ) -> DispatchResult

Buy amount of asset by path.

Arguments

amount_out: Amount of the asset will be bought
amount_in_max: Maximum amount of sold asset
path: path can convert to pairs.
recipient: Account that receive the target asset
deadline: Height of the cutoff block of this transaction

pub fn bootstrap_create( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, target_supply_0: AssetBalance, target_supply_1: AssetBalance, capacity_supply_0: AssetBalance, capacity_supply_1: AssetBalance, end: BlockNumberFor<T>, rewards: Vec<T::AssetId>, limits: Vec<(T::AssetId, AssetBalance)> ) -> DispatchResult

Create bootstrap pair

The order of asset don’t affect result.

Arguments

asset_0: Asset which make up bootstrap pair
asset_1: Asset which make up bootstrap pair
target_supply_0: Target amount of asset_0 total contribute
target_supply_0: Target amount of asset_1 total contribute
capacity_supply_0: The max amount of asset_0 total contribute
capacity_supply_1: The max amount of asset_1 total contribute
end: The earliest ending block.

pub fn bootstrap_contribute( who: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, amount_0_contribute: AssetBalance, amount_1_contribute: AssetBalance, deadline: BlockNumberFor<T> ) -> DispatchResult

Contribute some asset to a bootstrap pair

Arguments

asset_0: Asset which make up bootstrap pair
asset_1: Asset which make up bootstrap pair
amount_0_contribute: The amount of asset_0 contribute to this bootstrap pair
amount_1_contribute: The amount of asset_1 contribute to this bootstrap pair
deadline: Height of the cutoff block of this transaction

pub fn bootstrap_claim( origin: OriginFor<T>, recipient: <T::Lookup as StaticLookup>::Source, asset_0: T::AssetId, asset_1: T::AssetId, deadline: BlockNumberFor<T> ) -> DispatchResult

Claim lp asset from a bootstrap pair

Arguments

asset_0: Asset which make up bootstrap pair
asset_1: Asset which make up bootstrap pair
deadline: Height of the cutoff block of this transaction

pub fn bootstrap_end( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId ) -> DispatchResult

End a bootstrap pair

Arguments

asset_0: Asset which make up bootstrap pair
asset_1: Asset which make up bootstrap pair

pub fn bootstrap_update( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, target_supply_0: AssetBalance, target_supply_1: AssetBalance, capacity_supply_0: AssetBalance, capacity_supply_1: AssetBalance, end: BlockNumberFor<T>, rewards: Vec<T::AssetId>, limits: Vec<(T::AssetId, AssetBalance)> ) -> DispatchResult

update a bootstrap pair

Arguments

asset_0: Asset which make up bootstrap pair
asset_1: Asset which make up bootstrap pair
min_contribution_0: The new min amount of asset_0 contribute
min_contribution_0: The new min amount of asset_1 contribute
target_supply_0: The new target amount of asset_0 total contribute
target_supply_0: The new target amount of asset_1 total contribute
capacity_supply_0: The new max amount of asset_0 total contribute
capacity_supply_1: The new max amount of asset_1 total contribute
end: The earliest ending block.

pub fn bootstrap_refund( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId ) -> DispatchResult

Contributor refund from disable bootstrap pair

Arguments

asset_0: Asset which make up bootstrap pair
asset_1: Asset which make up bootstrap pair

pub fn bootstrap_charge_reward( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, charge_rewards: Vec<(T::AssetId, AssetBalance)> ) -> DispatchResult

pub fn bootstrap_withdraw_reward( origin: OriginFor<T>, asset_0: T::AssetId, asset_1: T::AssetId, recipient: <T::Lookup as StaticLookup>::Source ) -> DispatchResult

impl<T: Config> Pallet<T>

pub fn k_last<KArg>(k: KArg) -> U256where KArg: EncodeLike<(T::AssetId, T::AssetId)>,

An auto-generated getter for KLast.

pub fn lp_pairs<KArg>(k: KArg) -> Option<T::AssetId>where KArg: EncodeLike<(T::AssetId, T::AssetId)>,

An auto-generated getter for LiquidityPairs.

impl<T: Config> Pallet<T>

pub fn pair_status<KArg>( k: KArg ) -> PairStatus<AssetBalance, BlockNumberFor<T>, T::AccountId>where KArg: EncodeLike<(T::AssetId, T::AssetId)>,

An auto-generated getter for PairStatuses.

impl<T: Config> Pallet<T>

pub fn bootstrap_personal_supply<KArg>(k: KArg) -> (AssetBalance, AssetBalance)where KArg: EncodeLike<((T::AssetId, T::AssetId), T::AccountId)>,

An auto-generated getter for BootstrapPersonalSupply.

impl<T: Config> Pallet<T>

pub fn bootstrap_end_status<KArg>( k: KArg ) -> PairStatus<AssetBalance, BlockNumberFor<T>, T::AccountId>where KArg: EncodeLike<(T::AssetId, T::AssetId)>,

An auto-generated getter for BootstrapEndStatus.

impl<T: Config> Pallet<T>

pub fn get_bootstrap_rewards<KArg>( k: KArg ) -> BoundedBTreeMap<T::AssetId, AssetBalance, T::MaxBootstrapRewards>where KArg: EncodeLike<(T::AssetId, T::AssetId)>,

An auto-generated getter for BootstrapRewards.

impl<T: Config> Pallet<T>

pub fn get_bootstrap_limits<KArg>( k: KArg ) -> BoundedBTreeMap<T::AssetId, AssetBalance, T::MaxBootstrapLimits>where KArg: EncodeLike<(T::AssetId, T::AssetId)>,

An auto-generated getter for BootstrapLimits.

Trait Implementations§

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

type RuntimeCall = Call<T>

impl<T> Clone for Pallet<T>

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> Debug for Pallet<T>

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

Formats the value using the given formatter. Read more

impl<T: Config> ExportDexGeneral<<T as Config>::AccountId, <T as Config>::AssetId> for Pallet<T>

fn get_amount_in_by_path( amount_out: AssetBalance, path: &[T::AssetId] ) -> Result<Vec<AssetBalance>, DispatchError>

fn get_amount_out_by_path( amount_in: AssetBalance, path: &[T::AssetId] ) -> Result<Vec<AssetBalance>, DispatchError>

fn inner_swap_assets_for_exact_assets( who: &T::AccountId, amount_out: AssetBalance, amount_in_max: AssetBalance, path: &[T::AssetId], recipient: &T::AccountId ) -> DispatchResult

fn inner_swap_exact_assets_for_assets( who: &T::AccountId, amount_in: AssetBalance, amount_out_min: AssetBalance, path: &[T::AssetId], recipient: &T::AccountId ) -> DispatchResult

fn inner_add_liquidity( who: &T::AccountId, asset_0: T::AssetId, asset_1: T::AssetId, amount_0_desired: AssetBalance, amount_1_desired: AssetBalance, amount_0_min: AssetBalance, amount_1_min: AssetBalance ) -> DispatchResult

fn inner_remove_liquidity( who: &T::AccountId, asset_0: T::AssetId, asset_1: T::AssetId, remove_liquidity: AssetBalance, amount_0_min: AssetBalance, amount_1_min: AssetBalance, recipient: &T::AccountId ) -> DispatchResult

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

type CurrentStorageVersion = NoStorageVersionSet

This will be filled out by the pallet macro. Read more

fn current_storage_version() -> Self::CurrentStorageVersion

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.

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). Read more

fn on_initialize(_n: BlockNumber) -> Weight

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

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

fn offchain_worker(n: BlockNumberFor<T>)

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

fn on_finalize(n: BlockNumberFor<T>)

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.

fn on_idle(n: BlockNumberFor<T>, 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

fn on_initialize(n: BlockNumberFor<T>) -> 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

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Immutably borrows from an owned value. Read more

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Mutably borrows from an owned value. Read more

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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

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

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

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

impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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

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

impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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.

fn fmt_lower_hex(self) -> FmtLowerHex<Self>where Self: LowerHex,

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

fn fmt_octal(self) -> FmtOctal<Self>where Self: Octal,

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.

fn fmt_list(self) -> FmtList<Self>where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more

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const: unstable · source§

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Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into for Twhere U: From<T>,

const: unstable · source§

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Calls U::from(self).

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Mutably borrows self and passes that borrow into the pipe function. Read more

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const ALIGN: usize = mem::align_of::<T>()

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error>where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

impl<T, U> TryFrom for Twhere U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

impl<T, U> TryInto for Twhere U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,

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> MaybeRefUnwindSafe for Twhere T: RefUnwindSafe,