Struct serai_dex_pallet::pallet::Pallet
source · pub struct Pallet<T>(/* private fields */);
Expand description
The Pallet
struct, the main type that implements traits and standalone
functions within the pallet.
Implementations§
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn on_new_session(network: NetworkId)
pub fn on_new_session(network: NetworkId)
A hook to be called whenever a network’s session is rotated.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
Pallet’s callable functions.
sourcepub fn add_liquidity(
origin: OriginFor<T>,
coin: ExternalCoin,
coin_desired: SubstrateAmount,
sri_desired: SubstrateAmount,
coin_min: SubstrateAmount,
sri_min: SubstrateAmount,
mint_to: T::AccountId,
) -> DispatchResult
pub fn add_liquidity( origin: OriginFor<T>, coin: ExternalCoin, coin_desired: SubstrateAmount, sri_desired: SubstrateAmount, coin_min: SubstrateAmount, sri_min: SubstrateAmount, mint_to: T::AccountId, ) -> DispatchResult
Provide liquidity into the pool of coin1
and coin2
.
NOTE: an optimal amount of coin1 and coin2 will be calculated and
might be different than the provided amount1_desired
/amount2_desired
thus you should provide the min amount you’re happy to provide.
Params amount1_min
/amount2_min
represent that.
mint_to
will be sent the liquidity tokens that represent this share of the pool.
Once liquidity is added, someone may successfully call
Pallet::swap_exact_tokens_for_tokens
successfully.
sourcepub fn remove_liquidity(
origin: OriginFor<T>,
coin: ExternalCoin,
lp_token_burn: SubstrateAmount,
coin_min_receive: SubstrateAmount,
sri_min_receive: SubstrateAmount,
withdraw_to: T::AccountId,
) -> DispatchResult
pub fn remove_liquidity( origin: OriginFor<T>, coin: ExternalCoin, lp_token_burn: SubstrateAmount, coin_min_receive: SubstrateAmount, sri_min_receive: SubstrateAmount, withdraw_to: T::AccountId, ) -> DispatchResult
Allows you to remove liquidity by providing the lp_token_burn
tokens that will be
burned in the process. With the usage of amount1_min_receive
/amount2_min_receive
it’s possible to control the min amount of returned tokens you’re happy with.
sourcepub fn swap_exact_tokens_for_tokens(
origin: OriginFor<T>,
path: BoundedVec<Coin, T::MaxSwapPathLength>,
amount_in: SubstrateAmount,
amount_out_min: SubstrateAmount,
send_to: T::AccountId,
) -> DispatchResult
pub fn swap_exact_tokens_for_tokens( origin: OriginFor<T>, path: BoundedVec<Coin, T::MaxSwapPathLength>, amount_in: SubstrateAmount, amount_out_min: SubstrateAmount, send_to: T::AccountId, ) -> DispatchResult
Swap the exact amount of coin1
into coin2
.
amount_out_min
param allows you to specify the min amount of the coin2
you’re happy to receive.
DexApi::quote_price_exact_tokens_for_tokens
runtime call can be called
for a quote.
sourcepub fn swap_tokens_for_exact_tokens(
origin: OriginFor<T>,
path: BoundedVec<Coin, T::MaxSwapPathLength>,
amount_out: SubstrateAmount,
amount_in_max: SubstrateAmount,
send_to: T::AccountId,
) -> DispatchResult
pub fn swap_tokens_for_exact_tokens( origin: OriginFor<T>, path: BoundedVec<Coin, T::MaxSwapPathLength>, amount_out: SubstrateAmount, amount_in_max: SubstrateAmount, send_to: T::AccountId, ) -> DispatchResult
Swap any amount of coin1
to get the exact amount of coin2
.
amount_in_max
param allows to specify the max amount of the coin1
you’re happy to provide.
DexApi::quote_price_tokens_for_exact_tokens
runtime call can be called
for a quote.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn do_swap_exact_tokens_for_tokens(
sender: T::AccountId,
path: BoundedVec<Coin, T::MaxSwapPathLength>,
amount_in: SubstrateAmount,
amount_out_min: Option<SubstrateAmount>,
send_to: T::AccountId,
) -> Result<SubstrateAmount, DispatchError>
pub fn do_swap_exact_tokens_for_tokens( sender: T::AccountId, path: BoundedVec<Coin, T::MaxSwapPathLength>, amount_in: SubstrateAmount, amount_out_min: Option<SubstrateAmount>, send_to: T::AccountId, ) -> Result<SubstrateAmount, DispatchError>
Swap exactly amount_in
of coin path[0]
for coin path[1]
.
If an amount_out_min
is specified, it will return an error if it is unable to acquire
the amount desired.
Withdraws the path[0]
coin from sender
, deposits the path[1]
coin to send_to
.
If successful, returns the amount of path[1]
acquired for the amount_in
.
sourcepub fn do_swap_tokens_for_exact_tokens(
sender: T::AccountId,
path: BoundedVec<Coin, T::MaxSwapPathLength>,
amount_out: SubstrateAmount,
amount_in_max: Option<SubstrateAmount>,
send_to: T::AccountId,
) -> Result<SubstrateAmount, DispatchError>
pub fn do_swap_tokens_for_exact_tokens( sender: T::AccountId, path: BoundedVec<Coin, T::MaxSwapPathLength>, amount_out: SubstrateAmount, amount_in_max: Option<SubstrateAmount>, send_to: T::AccountId, ) -> Result<SubstrateAmount, DispatchError>
Take the path[0]
coin and swap some amount for amount_out
of the path[1]
. If an
amount_in_max
is specified, it will return an error if acquiring amount_out
would be
too costly.
Withdraws path[0]
coin from sender
, deposits the path[1]
coin to send_to
,
If successful returns the amount of the path[0]
taken to provide path[1]
.
sourcepub fn get_pool_account(pool_id: PoolId) -> T::AccountId
pub fn get_pool_account(pool_id: PoolId) -> T::AccountId
The account ID of the pool.
This actually does computation. If you need to keep using it, then make sure you cache the value and only call this once.
sourcepub fn get_pool_id(coin1: Coin, coin2: Coin) -> Result<PoolId, Error<T>>
pub fn get_pool_id(coin1: Coin, coin2: Coin) -> Result<PoolId, Error<T>>
Returns a pool id constructed from 2 coins. We expect deterministic order, so (coin1, coin2) or (coin2, coin1) returns the same result. Coins have to be different and one of them should be Coin::Serai.
sourcepub fn get_reserves(
coin1: &Coin,
coin2: &Coin,
) -> Result<(SubstrateAmount, SubstrateAmount), Error<T>>
pub fn get_reserves( coin1: &Coin, coin2: &Coin, ) -> Result<(SubstrateAmount, SubstrateAmount), Error<T>>
Returns the balance of each coin in the pool. The tuple result is in the order requested (not necessarily the same as pool order).
sourcepub fn quote_price_exact_tokens_for_tokens(
coin1: Coin,
coin2: Coin,
amount: SubstrateAmount,
include_fee: bool,
) -> Option<SubstrateAmount>
pub fn quote_price_exact_tokens_for_tokens( coin1: Coin, coin2: Coin, amount: SubstrateAmount, include_fee: bool, ) -> Option<SubstrateAmount>
Used by the RPC service to provide current prices.
sourcepub fn quote_price_tokens_for_exact_tokens(
coin1: Coin,
coin2: Coin,
amount: SubstrateAmount,
include_fee: bool,
) -> Option<SubstrateAmount>
pub fn quote_price_tokens_for_exact_tokens( coin1: Coin, coin2: Coin, amount: SubstrateAmount, include_fee: bool, ) -> Option<SubstrateAmount>
Used by the RPC service to provide current prices.
sourcepub fn quote(
amount: SubstrateAmount,
reserve1: SubstrateAmount,
reserve2: SubstrateAmount,
) -> Result<SubstrateAmount, Error<T>>
pub fn quote( amount: SubstrateAmount, reserve1: SubstrateAmount, reserve2: SubstrateAmount, ) -> Result<SubstrateAmount, Error<T>>
Calculates the optimal amount from the reserves.
sourcepub fn get_amount_out(
amount_in: SubstrateAmount,
reserve_in: SubstrateAmount,
reserve_out: SubstrateAmount,
) -> Result<SubstrateAmount, Error<T>>
pub fn get_amount_out( amount_in: SubstrateAmount, reserve_in: SubstrateAmount, reserve_out: SubstrateAmount, ) -> Result<SubstrateAmount, Error<T>>
Calculates amount out.
Given an input amount of an coin and pair reserves, returns the maximum output amount of the other coin.
sourcepub fn get_amount_in(
amount_out: SubstrateAmount,
reserve_in: SubstrateAmount,
reserve_out: SubstrateAmount,
) -> Result<SubstrateAmount, Error<T>>
pub fn get_amount_in( amount_out: SubstrateAmount, reserve_in: SubstrateAmount, reserve_out: SubstrateAmount, ) -> Result<SubstrateAmount, Error<T>>
Calculates amount in.
Given an output amount of an coin and pair reserves, returns a required input amount of the other coin.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn spot_price_for_block<KArg1, KArg2>(
k1: KArg1,
k2: KArg2,
) -> Option<Amount>
pub fn spot_price_for_block<KArg1, KArg2>( k1: KArg1, k2: KArg2, ) -> Option<Amount>
An auto-generated getter for SpotPriceForBlock
.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn median_price<KArg>(k: KArg) -> Option<Amount>where
KArg: EncodeLike<ExternalCoin>,
pub fn median_price<KArg>(k: KArg) -> Option<Amount>where
KArg: EncodeLike<ExternalCoin>,
An auto-generated getter for MedianPrice
.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn security_oracle_value<KArg>(k: KArg) -> Option<Amount>where
KArg: EncodeLike<ExternalCoin>,
pub fn security_oracle_value<KArg>(k: KArg) -> Option<Amount>where
KArg: EncodeLike<ExternalCoin>,
An auto-generated getter for SecurityOracleValue
.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn swap_volume<KArg>(k: KArg) -> Option<u64>where
KArg: EncodeLike<PoolId>,
pub fn swap_volume<KArg>(k: KArg) -> Option<u64>where
KArg: EncodeLike<PoolId>,
An auto-generated getter for SwapVolume
.
Trait Implementations§
source§impl<T> Benchmarking for Pallet<T>
impl<T> Benchmarking for Pallet<T>
source§fn benchmarks(extra: bool) -> Vec<BenchmarkMetadata>
fn benchmarks(extra: bool) -> Vec<BenchmarkMetadata>
source§fn run_benchmark(
extrinsic: &[u8],
c: &[(BenchmarkParameter, u32)],
whitelist: &[TrackedStorageKey],
verify: bool,
internal_repeats: u32,
) -> Result<Vec<BenchmarkResult>, BenchmarkError>
fn run_benchmark( extrinsic: &[u8], c: &[(BenchmarkParameter, u32)], whitelist: &[TrackedStorageKey], verify: bool, internal_repeats: u32, ) -> Result<Vec<BenchmarkResult>, BenchmarkError>
source§impl<T: Config> GetStorageVersion for Pallet<T>
impl<T: Config> GetStorageVersion for Pallet<T>
source§fn current_storage_version() -> Self::CurrentStorageVersion
fn current_storage_version() -> Self::CurrentStorageVersion
source§fn on_chain_storage_version() -> StorageVersion
fn on_chain_storage_version() -> StorageVersion
source§impl<T: Config> Hooks<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
impl<T: Config> Hooks<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
source§fn on_finalize(n: BlockNumberFor<T>)
fn on_finalize(n: BlockNumberFor<T>)
source§fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
on_finalize
). Read moresource§fn on_initialize(_n: BlockNumber) -> Weight
fn on_initialize(_n: BlockNumber) -> Weight
source§fn on_runtime_upgrade() -> Weight
fn on_runtime_upgrade() -> Weight
source§fn try_state(_n: BlockNumber) -> Result<(), DispatchError>
fn try_state(_n: BlockNumber) -> Result<(), DispatchError>
source§fn pre_upgrade() -> Result<Vec<u8>, DispatchError>
fn pre_upgrade() -> Result<Vec<u8>, DispatchError>
source§fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>
fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>
source§fn offchain_worker(_n: BlockNumber)
fn offchain_worker(_n: BlockNumber)
source§fn integrity_test()
fn integrity_test()
source§impl<T: Config> IntegrityTest for Pallet<T>
impl<T: Config> IntegrityTest for Pallet<T>
source§fn integrity_test()
fn integrity_test()
source§impl<T: Config> OffchainWorker<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
impl<T: Config> OffchainWorker<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
source§fn offchain_worker(n: BlockNumberFor<T>)
fn offchain_worker(n: BlockNumberFor<T>)
source§impl<T: Config> OnFinalize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
impl<T: Config> OnFinalize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
source§fn on_finalize(n: BlockNumberFor<T>)
fn on_finalize(n: BlockNumberFor<T>)
source§impl<T: Config> OnGenesis for Pallet<T>
impl<T: Config> OnGenesis for Pallet<T>
source§fn on_genesis()
fn on_genesis()
source§impl<T: Config> OnIdle<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
impl<T: Config> OnIdle<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
source§impl<T: Config> OnInitialize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
impl<T: Config> OnInitialize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
source§fn on_initialize(n: BlockNumberFor<T>) -> Weight
fn on_initialize(n: BlockNumberFor<T>) -> Weight
source§impl<T: Config> OnRuntimeUpgrade for Pallet<T>
impl<T: Config> OnRuntimeUpgrade for Pallet<T>
source§fn on_runtime_upgrade() -> Weight
fn on_runtime_upgrade() -> Weight
source§fn pre_upgrade() -> Result<Vec<u8>, TryRuntimeError>
fn pre_upgrade() -> Result<Vec<u8>, TryRuntimeError>
source§fn post_upgrade(state: Vec<u8>) -> Result<(), TryRuntimeError>
fn post_upgrade(state: Vec<u8>) -> Result<(), TryRuntimeError>
source§fn try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>
fn try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>
on_runtime_upgrade
, but perform the optional pre_upgrade
and post_upgrade
as
well.source§impl<T: Config> PalletInfoAccess for Pallet<T>
impl<T: Config> PalletInfoAccess for Pallet<T>
source§fn module_name() -> &'static str
fn module_name() -> &'static str
source§fn crate_version() -> CrateVersion
fn crate_version() -> CrateVersion
source§impl<T: Config> PalletsInfoAccess for Pallet<T>
impl<T: Config> PalletsInfoAccess for Pallet<T>
source§impl<T> PartialEq for Pallet<T>
impl<T> PartialEq for Pallet<T>
source§impl<T: Config> StorageInfoTrait for Pallet<T>
impl<T: Config> StorageInfoTrait for Pallet<T>
fn storage_info() -> Vec<StorageInfo>
source§impl<T: Config> Swap<<T as Config>::AccountId, u128, Coin> for Pallet<T>
impl<T: Config> Swap<<T as Config>::AccountId, u128, Coin> for Pallet<T>
source§fn swap_exact_tokens_for_tokens(
sender: T::AccountId,
path: Vec<Coin>,
amount_in: HigherPrecisionBalance,
amount_out_min: Option<HigherPrecisionBalance>,
send_to: T::AccountId,
) -> Result<HigherPrecisionBalance, DispatchError>
fn swap_exact_tokens_for_tokens( sender: T::AccountId, path: Vec<Coin>, amount_in: HigherPrecisionBalance, amount_out_min: Option<HigherPrecisionBalance>, send_to: T::AccountId, ) -> Result<HigherPrecisionBalance, DispatchError>
amount_in
of coin path[0]
for coin path[1]
.
If an amount_out_min
is specified, it will return an error if it is unable to acquire
the amount desired. Read moresource§fn swap_tokens_for_exact_tokens(
sender: T::AccountId,
path: Vec<Coin>,
amount_out: HigherPrecisionBalance,
amount_in_max: Option<HigherPrecisionBalance>,
send_to: T::AccountId,
) -> Result<HigherPrecisionBalance, DispatchError>
fn swap_tokens_for_exact_tokens( sender: T::AccountId, path: Vec<Coin>, amount_out: HigherPrecisionBalance, amount_in_max: Option<HigherPrecisionBalance>, send_to: T::AccountId, ) -> Result<HigherPrecisionBalance, DispatchError>
path[0]
coin and swap some amount for amount_out
of the path[1]
. If an
amount_in_max
is specified, it will return an error if acquiring amount_out
would be
too costly. Read moresource§impl<T: Config> TryState<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
impl<T: Config> TryState<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
source§fn try_state(
n: BlockNumberFor<T>,
_s: TryStateSelect,
) -> Result<(), TryRuntimeError>
fn try_state( n: BlockNumberFor<T>, _s: TryStateSelect, ) -> Result<(), TryRuntimeError>
source§impl<T: Config> WhitelistedStorageKeys for Pallet<T>
impl<T: Config> WhitelistedStorageKeys for Pallet<T>
source§fn whitelisted_storage_keys() -> Vec<TrackedStorageKey>
fn whitelisted_storage_keys() -> Vec<TrackedStorageKey>
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> Freeze for Pallet<T>
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,
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T: ?Sized,
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impl<T> CheckedConversion for T
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impl<T> CloneToUninit for Twhere
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default unsafe fn clone_to_uninit(&self, dst: *mut T)
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fn equivalent(&self, key: &K) -> bool
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and return true
if they are equal.source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
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