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 call_old_weight(
origin: OriginFor<T>,
dest: <<T as Config>::Lookup as StaticLookup>::Source,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: u64,
storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
data: Vec<u8>,
) -> DispatchResultWithPostInfo
👎Deprecated: 1D weight is used in this extrinsic, please migrate to call
pub fn call_old_weight( origin: OriginFor<T>, dest: <<T as Config>::Lookup as StaticLookup>::Source, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: u64, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, data: Vec<u8>, ) -> DispatchResultWithPostInfo
call
Deprecated version if Self::call
for use in an in-storage Call
.
sourcepub fn instantiate_with_code_old_weight(
origin: OriginFor<T>,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: u64,
storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
code: Vec<u8>,
data: Vec<u8>,
salt: Vec<u8>,
) -> DispatchResultWithPostInfo
👎Deprecated: 1D weight is used in this extrinsic, please migrate to instantiate_with_code
pub fn instantiate_with_code_old_weight( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: u64, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code: Vec<u8>, data: Vec<u8>, salt: Vec<u8>, ) -> DispatchResultWithPostInfo
instantiate_with_code
Deprecated version if Self::instantiate_with_code
for use in an in-storage Call
.
sourcepub fn instantiate_old_weight(
origin: OriginFor<T>,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: u64,
storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
code_hash: <T as Config>::Hash,
data: Vec<u8>,
salt: Vec<u8>,
) -> DispatchResultWithPostInfo
👎Deprecated: 1D weight is used in this extrinsic, please migrate to instantiate
pub fn instantiate_old_weight( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: u64, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code_hash: <T as Config>::Hash, data: Vec<u8>, salt: Vec<u8>, ) -> DispatchResultWithPostInfo
instantiate
Deprecated version if Self::instantiate
for use in an in-storage Call
.
sourcepub fn upload_code(
origin: OriginFor<T>,
code: Vec<u8>,
storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
determinism: Determinism,
) -> DispatchResult
pub fn upload_code( origin: OriginFor<T>, code: Vec<u8>, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, determinism: Determinism, ) -> DispatchResult
Upload new code
without instantiating a contract from it.
If the code does not already exist a deposit is reserved from the caller
and unreserved only when Self::remove_code
is called. The size of the reserve
depends on the size of the supplied code
.
If the code already exists in storage it will still return Ok
and upgrades
the in storage version to the current
InstructionWeights::version
.
determinism
: If this is set to any other value butDeterminism::Enforced
then the only way to use this code is to delegate call into it from an offchain execution. Set toDeterminism::Enforced
if in doubt.
§Note
Anyone can instantiate a contract from any uploaded code and thus prevent its removal.
To avoid this situation a constructor could employ access control so that it can
only be instantiated by permissioned entities. The same is true when uploading
through Self::instantiate_with_code
.
Use Determinism::Relaxed
exclusively for non-deterministic code. If the uploaded
code is deterministic, specifying Determinism::Relaxed
will be disregarded and
result in higher gas costs.
sourcepub fn remove_code(
origin: OriginFor<T>,
code_hash: <T as Config>::Hash,
) -> DispatchResultWithPostInfo
pub fn remove_code( origin: OriginFor<T>, code_hash: <T as Config>::Hash, ) -> DispatchResultWithPostInfo
Remove the code stored under code_hash
and refund the deposit to its owner.
A code can only be removed by its original uploader (its owner) and only if it is not used by any contract.
sourcepub fn set_code(
origin: OriginFor<T>,
dest: <<T as Config>::Lookup as StaticLookup>::Source,
code_hash: <T as Config>::Hash,
) -> DispatchResult
pub fn set_code( origin: OriginFor<T>, dest: <<T as Config>::Lookup as StaticLookup>::Source, code_hash: <T as Config>::Hash, ) -> DispatchResult
Privileged function that changes the code of an existing contract.
This takes care of updating refcounts and all other necessary operations. Returns
an error if either the code_hash
or dest
do not exist.
§Note
This does not change the address of the contract in question. This means that the contract address is no longer derived from its code hash after calling this dispatchable.
sourcepub fn call(
origin: OriginFor<T>,
dest: <<T as Config>::Lookup as StaticLookup>::Source,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: Weight,
storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
data: Vec<u8>,
) -> DispatchResultWithPostInfo
pub fn call( origin: OriginFor<T>, dest: <<T as Config>::Lookup as StaticLookup>::Source, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, data: Vec<u8>, ) -> DispatchResultWithPostInfo
Makes a call to an account, optionally transferring some balance.
§Parameters
-
dest
: Address of the contract to call. -
value
: The balance to transfer from theorigin
todest
. -
gas_limit
: The gas limit enforced when executing the constructor. -
storage_deposit_limit
: The maximum amount of balance that can be charged from the caller to pay for the storage consumed. -
data
: The input data to pass to the contract. -
If the account is a smart-contract account, the associated code will be executed and any value will be transferred.
-
If the account is a regular account, any value will be transferred.
-
If no account exists and the call value is not less than
existential_deposit
, a regular account will be created and any value will be transferred.
sourcepub fn instantiate_with_code(
origin: OriginFor<T>,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: Weight,
storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
code: Vec<u8>,
data: Vec<u8>,
salt: Vec<u8>,
) -> DispatchResultWithPostInfo
pub fn instantiate_with_code( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code: Vec<u8>, data: Vec<u8>, salt: Vec<u8>, ) -> DispatchResultWithPostInfo
Instantiates a new contract from the supplied code
optionally transferring
some balance.
This dispatchable has the same effect as calling Self::upload_code
+
Self::instantiate
. Bundling them together provides efficiency gains. Please
also check the documentation of Self::upload_code
.
§Parameters
value
: The balance to transfer from theorigin
to the newly created contract.gas_limit
: The gas limit enforced when executing the constructor.storage_deposit_limit
: The maximum amount of balance that can be charged/reserved from the caller to pay for the storage consumed.code
: The contract code to deploy in raw bytes.data
: The input data to pass to the contract constructor.salt
: Used for the address derivation. SeePallet::contract_address
.
Instantiation is executed as follows:
- The supplied
code
is deployed, and acode_hash
is created for that code. - If the
code_hash
already exists on the chain the underlyingcode
will be shared. - The destination address is computed based on the sender, code_hash and the salt.
- The smart-contract account is created at the computed address.
- The
value
is transferred to the new account. - The
deploy
function is executed in the context of the newly-created account.
sourcepub fn instantiate(
origin: OriginFor<T>,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: Weight,
storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>,
code_hash: <T as Config>::Hash,
data: Vec<u8>,
salt: Vec<u8>,
) -> DispatchResultWithPostInfo
pub fn instantiate( origin: OriginFor<T>, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance as HasCompact>::Type>, code_hash: <T as Config>::Hash, data: Vec<u8>, salt: Vec<u8>, ) -> DispatchResultWithPostInfo
Instantiates a contract from a previously deployed wasm binary.
This function is identical to Self::instantiate_with_code
but without the
code deployment step. Instead, the code_hash
of an on-chain deployed wasm binary
must be supplied.
sourcepub fn migrate(
origin: OriginFor<T>,
weight_limit: Weight,
) -> DispatchResultWithPostInfo
pub fn migrate( origin: OriginFor<T>, weight_limit: Weight, ) -> DispatchResultWithPostInfo
When a migration is in progress, this dispatchable can be used to run migration steps.
Calls that contribute to advancing the migration have their fees waived, as it’s helpful
for the chain. Note that while the migration is in progress, the pallet will also
leverage the on_idle
hooks to run migration steps.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn bare_call(
origin: T::AccountId,
dest: T::AccountId,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: Weight,
storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>,
data: Vec<u8>,
debug: DebugInfo,
collect_events: CollectEvents,
determinism: Determinism,
) -> ContractExecResult<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, EventRecord<<T as Config>::RuntimeEvent, <T as Config>::Hash>>
pub fn bare_call( origin: T::AccountId, dest: T::AccountId, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>, data: Vec<u8>, debug: DebugInfo, collect_events: CollectEvents, determinism: Determinism, ) -> ContractExecResult<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, EventRecord<<T as Config>::RuntimeEvent, <T as Config>::Hash>>
Perform a call to a specified contract.
This function is similar to Self::call
, but doesn’t perform any address lookups
and better suitable for calling directly from Rust.
§Note
If debug
is set to DebugInfo::UnsafeDebug
it returns additional human readable debugging
information.
If collect_events
is set to CollectEvents::UnsafeCollect
it collects all the Events
emitted in the block so far and the ones emitted during the execution of this contract.
sourcepub fn bare_instantiate(
origin: T::AccountId,
value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance,
gas_limit: Weight,
storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>,
code: Code<<T as Config>::Hash>,
data: Vec<u8>,
salt: Vec<u8>,
debug: DebugInfo,
collect_events: CollectEvents,
) -> ContractInstantiateResult<T::AccountId, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, EventRecord<<T as Config>::RuntimeEvent, <T as Config>::Hash>>
pub fn bare_instantiate( origin: T::AccountId, value: <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, gas_limit: Weight, storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>, code: Code<<T as Config>::Hash>, data: Vec<u8>, salt: Vec<u8>, debug: DebugInfo, collect_events: CollectEvents, ) -> ContractInstantiateResult<T::AccountId, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance, EventRecord<<T as Config>::RuntimeEvent, <T as Config>::Hash>>
Instantiate a new contract.
This function is similar to Self::instantiate
, but doesn’t perform any address lookups
and better suitable for calling directly from Rust.
It returns the execution result, account id and the amount of used weight.
§Note
If debug
is set to DebugInfo::UnsafeDebug
it returns additional human readable debugging
information.
If collect_events
is set to CollectEvents::UnsafeCollect
it collects all the Events
emitted in the block so far.
sourcepub fn bare_upload_code(
origin: T::AccountId,
code: Vec<u8>,
storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>,
determinism: Determinism,
) -> CodeUploadResult<<T as Config>::Hash, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>
pub fn bare_upload_code( origin: T::AccountId, code: Vec<u8>, storage_deposit_limit: Option<<<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>, determinism: Determinism, ) -> CodeUploadResult<<T as Config>::Hash, <<T as Config>::Currency as Inspect<<T as Config>::AccountId>>::Balance>
Upload new code without instantiating a contract from it.
This function is similar to Self::upload_code
, but doesn’t perform any address lookups
and better suitable for calling directly from Rust.
sourcepub fn get_storage(address: T::AccountId, key: Vec<u8>) -> GetStorageResult
pub fn get_storage(address: T::AccountId, key: Vec<u8>) -> GetStorageResult
Query storage of a specified contract under a specified key.
sourcepub fn contract_address(
deploying_address: &T::AccountId,
code_hash: &<T as Config>::Hash,
input_data: &[u8],
salt: &[u8],
) -> T::AccountId
pub fn contract_address( deploying_address: &T::AccountId, code_hash: &<T as Config>::Hash, input_data: &[u8], salt: &[u8], ) -> T::AccountId
Determine the address of a contract.
This is the address generation function used by contract instantiation. See
DefaultAddressGenerator
for the default implementation.
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: Config> GetStorageVersion for Pallet<T>
impl<T: Config> GetStorageVersion for Pallet<T>
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
source§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 on_idle(_block: BlockNumberFor<T>, limit: Weight) -> Weight
fn on_idle(_block: BlockNumberFor<T>, limit: Weight) -> Weight
Hooks::on_finalize
). Read moresource§fn integrity_test()
fn integrity_test()
source§fn on_initialize(_n: BlockNumber) -> Weight
fn on_initialize(_n: BlockNumber) -> Weight
source§fn on_finalize(_n: BlockNumber)
fn on_finalize(_n: BlockNumber)
source§fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)
fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)
source§fn on_runtime_upgrade() -> Weight
fn on_runtime_upgrade() -> Weight
Executive
pallet. Read moresource§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§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§fn on_idle(n: BlockNumberFor<T>, remaining_weight: Weight) -> Weight
fn on_idle(n: BlockNumberFor<T>, remaining_weight: Weight) -> Weight
Hooks::on_idle
.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§fn on_poll(n: BlockNumberFor<T>, weight: &mut WeightMeter)
fn on_poll(n: BlockNumberFor<T>, weight: &mut WeightMeter)
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§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: Config> StorageInfoTrait for Pallet<T>
impl<T: Config> StorageInfoTrait for Pallet<T>
fn storage_info() -> Vec<StorageInfo>
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,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
source§impl<T> CheckedConversion for T
impl<T> CheckedConversion for T
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
clone_to_uninit
)source§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
source§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
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(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.source§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
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. Rc<Any>
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U: TryFromKey<T>,
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