Struct pallet_asset_rewards::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>
Pallet’s callable functions.
sourcepub fn create_pool(
origin: OriginFor<T>,
staked_asset_id: Box<T::AssetId>,
reward_asset_id: Box<T::AssetId>,
reward_rate_per_block: T::Balance,
expiry: DispatchTime<BlockNumberFor<T>>,
admin: Option<T::AccountId>,
) -> DispatchResult
pub fn create_pool( origin: OriginFor<T>, staked_asset_id: Box<T::AssetId>, reward_asset_id: Box<T::AssetId>, reward_rate_per_block: T::Balance, expiry: DispatchTime<BlockNumberFor<T>>, admin: Option<T::AccountId>, ) -> DispatchResult
Create a new reward pool.
Parameters:
origin
: must beConfig::CreatePoolOrigin
;staked_asset_id
: the asset to be staked in the pool;reward_asset_id
: the asset to be distributed as rewards;reward_rate_per_block
: the amount of reward tokens distributed per block;expiry
: the block number at which the pool will cease to accumulate rewards. The [DispatchTime::After
] variant evaluated at the execution time.admin
: the account allowed to extend the pool expiration, increase the rewards rate and receive the unutilized reward tokens back after the pool completion. IfNone
, the caller is set as an admin.
sourcepub fn stake(
origin: OriginFor<T>,
pool_id: PoolId,
amount: T::Balance,
) -> DispatchResult
pub fn stake( origin: OriginFor<T>, pool_id: PoolId, amount: T::Balance, ) -> DispatchResult
Stake additional tokens in a pool.
A freeze is placed on the staked tokens.
sourcepub fn unstake(
origin: OriginFor<T>,
pool_id: PoolId,
amount: T::Balance,
staker: Option<T::AccountId>,
) -> DispatchResult
pub fn unstake( origin: OriginFor<T>, pool_id: PoolId, amount: T::Balance, staker: Option<T::AccountId>, ) -> DispatchResult
Unstake tokens from a pool.
Removes the freeze on the staked tokens.
Parameters:
- origin: must be the
staker
if the pool is still active. Otherwise, any account. - pool_id: the pool to unstake from.
- amount: the amount of tokens to unstake.
- staker: the account to unstake from. If
None
, the caller is used.
sourcepub fn harvest_rewards(
origin: OriginFor<T>,
pool_id: PoolId,
staker: Option<T::AccountId>,
) -> DispatchResult
pub fn harvest_rewards( origin: OriginFor<T>, pool_id: PoolId, staker: Option<T::AccountId>, ) -> DispatchResult
Harvest unclaimed pool rewards.
Parameters:
- origin: must be the
staker
if the pool is still active. Otherwise, any account. - pool_id: the pool to harvest from.
- staker: the account for which to harvest rewards. If
None
, the caller is used.
sourcepub fn set_pool_reward_rate_per_block(
origin: OriginFor<T>,
pool_id: PoolId,
new_reward_rate_per_block: T::Balance,
) -> DispatchResult
pub fn set_pool_reward_rate_per_block( origin: OriginFor<T>, pool_id: PoolId, new_reward_rate_per_block: T::Balance, ) -> DispatchResult
Modify a pool reward rate.
Currently the reward rate can only be increased.
Only the pool admin may perform this operation.
sourcepub fn set_pool_admin(
origin: OriginFor<T>,
pool_id: PoolId,
new_admin: T::AccountId,
) -> DispatchResult
pub fn set_pool_admin( origin: OriginFor<T>, pool_id: PoolId, new_admin: T::AccountId, ) -> DispatchResult
Modify a pool admin.
Only the pool admin may perform this operation.
sourcepub fn set_pool_expiry_block(
origin: OriginFor<T>,
pool_id: PoolId,
new_expiry: DispatchTime<BlockNumberFor<T>>,
) -> DispatchResult
pub fn set_pool_expiry_block( origin: OriginFor<T>, pool_id: PoolId, new_expiry: DispatchTime<BlockNumberFor<T>>, ) -> DispatchResult
Set when the pool should expire.
Currently the expiry block can only be extended.
Only the pool admin may perform this operation.
sourcepub fn deposit_reward_tokens(
origin: OriginFor<T>,
pool_id: PoolId,
amount: T::Balance,
) -> DispatchResult
pub fn deposit_reward_tokens( origin: OriginFor<T>, pool_id: PoolId, amount: T::Balance, ) -> DispatchResult
Convenience method to deposit reward tokens into a pool.
This method is not strictly necessary (tokens could be transferred directly to the pool pot address), but is provided for convenience so manual derivation of the account id is not required.
sourcepub fn cleanup_pool(origin: OriginFor<T>, pool_id: PoolId) -> DispatchResult
pub fn cleanup_pool(origin: OriginFor<T>, pool_id: PoolId) -> DispatchResult
Cleanup a pool.
Origin must be the pool admin.
Cleanup storage, release any associated storage cost and return the remaining reward tokens to the admin.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn pool_creation_footprint() -> Footprint
pub fn pool_creation_footprint() -> Footprint
The pool creation footprint.
The footprint specifically accounts for the storage footprint of the pool’s information itself, excluding any potential storage footprint related to the stakers.
sourcepub fn pool_account_id(id: &PoolId) -> T::AccountId
pub fn pool_account_id(id: &PoolId) -> T::AccountId
Derive a pool account ID from the pool’s ID.
sourcepub fn update_pool_and_staker_rewards(
pool_info: &PoolInfoFor<T>,
staker_info: &PoolStakerInfo<T::Balance>,
) -> Result<(PoolInfoFor<T>, PoolStakerInfo<T::Balance>), DispatchError>
pub fn update_pool_and_staker_rewards( pool_info: &PoolInfoFor<T>, staker_info: &PoolStakerInfo<T::Balance>, ) -> Result<(PoolInfoFor<T>, PoolStakerInfo<T::Balance>), DispatchError>
Computes update pool and staker reward state.
Should be called prior to any operation involving a staker.
Returns the updated pool and staker info.
NOTE: this function has no side-effects. Side-effects such as storage modifications are the responsibility of the caller.
sourcepub fn update_pool_rewards(
pool_info: &PoolInfoFor<T>,
reward_per_token: T::Balance,
) -> Result<PoolInfoFor<T>, DispatchError>
pub fn update_pool_rewards( pool_info: &PoolInfoFor<T>, reward_per_token: T::Balance, ) -> Result<PoolInfoFor<T>, DispatchError>
Computes update pool reward state.
Should be called every time the pool is adjusted, and a staker is not involved.
Returns the updated pool and staker info.
NOTE: this function has no side-effects. Side-effects such as storage modifications are the responsibility of the caller.
Trait Implementations§
source§impl<T: Config> BeforeAllRuntimeMigrations for Pallet<T>
impl<T: Config> BeforeAllRuntimeMigrations for Pallet<T>
source§fn before_all_runtime_migrations() -> Weight
fn before_all_runtime_migrations() -> Weight
source§impl<T> Benchmarking for Pallet<T>
impl<T> Benchmarking for Pallet<T>
source§impl<T: Config> GetStorageVersion for Pallet<T>
impl<T: Config> GetStorageVersion for Pallet<T>
§type InCodeStorageVersion = NoStorageVersionSet
type InCodeStorageVersion = NoStorageVersionSet
source§fn in_code_storage_version() -> Self::InCodeStorageVersion
fn in_code_storage_version() -> Self::InCodeStorageVersion
storage_version
attribute, or
[NoStorageVersionSet
] if the attribute is missing.source§fn on_chain_storage_version() -> StorageVersion
fn on_chain_storage_version() -> StorageVersion
§fn current_storage_version() -> Self::InCodeStorageVersion
fn current_storage_version() -> Self::InCodeStorageVersion
in_code_storage_version
and will be removed after March 2024.Self::current_storage_version
] instead. Read moresource§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 integrity_test()
fn integrity_test()
§fn on_initialize(_n: BlockNumber) -> Weight
fn on_initialize(_n: BlockNumber) -> Weight
§fn on_finalize(_n: BlockNumber)
fn on_finalize(_n: BlockNumber)
§fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
Hooks::on_finalize
]). Read more§fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)
fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)
§fn on_runtime_upgrade() -> Weight
fn on_runtime_upgrade() -> Weight
Executive
pallet. Read more§fn try_state(_n: BlockNumber) -> Result<(), DispatchError>
fn try_state(_n: BlockNumber) -> Result<(), DispatchError>
§fn pre_upgrade() -> Result<Vec<u8>, DispatchError>
fn pre_upgrade() -> Result<Vec<u8>, DispatchError>
§fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>
fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>
§fn offchain_worker(_n: BlockNumber)
fn offchain_worker(_n: BlockNumber)
source§impl<T: Config> IntegrityTest for Pallet<T>
impl<T: Config> IntegrityTest for Pallet<T>
source§fn integrity_test()
fn integrity_test()
Hooks::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>)
Hooks::on_finalize
].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
Hooks::on_initialize
].source§impl<T: Config> OnPoll<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
impl<T: Config> OnPoll<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>
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
Hooks::on_runtime_upgrade
].§fn try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>
fn try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>
pre_upgrade
->
on_runtime_upgrade
-> post_upgrade
hooks for a migration. Read moresource§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> PartialEq for Pallet<T>
impl<T> PartialEq for Pallet<T>
source§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§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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