Struct pallet_gear::pallet::Pallet
source · pub struct Pallet<T>(_);
Expand description
The pallet implementing the on-chain logic.
Implementations§
source§impl<T: Config> Pallet<T>where
T::AccountId: Origin,
impl<T: Config> Pallet<T>where T::AccountId: Origin,
sourcepub fn set_block_number(bn: u32)
pub fn set_block_number(bn: u32)
Set gear block number.
For tests only.
pub fn read_state_using_wasm( program_id: H256, fn_name: Vec<u8>, wasm: Vec<u8>, argument: Option<Vec<u8>> ) -> Result<Vec<u8>, Vec<u8>>
pub fn read_state(program_id: H256) -> Result<Vec<u8>, Vec<u8>>
pub fn read_metahash(program_id: H256) -> Result<H256, Vec<u8>>
pub fn calculate_gas_info( source: H256, kind: HandleKind, payload: Vec<u8>, value: u128, allow_other_panics: bool, initial_gas: Option<u64> ) -> Result<GasInfo, Vec<u8>>
pub fn run_with_ext_copy<R, F: FnOnce() -> R>(f: F) -> R
sourcepub fn is_initialized(program_id: ProgramId) -> bool
pub fn is_initialized(program_id: ProgramId) -> bool
Returns true if a program has been successfully initialized
sourcepub fn is_active(program_id: ProgramId) -> bool
pub fn is_active(program_id: ProgramId) -> bool
Returns true if id is a program and the program has active status.
sourcepub fn is_terminated(program_id: ProgramId) -> bool
pub fn is_terminated(program_id: ProgramId) -> bool
Returns true if id is a program and the program has terminated status.
sourcepub fn is_exited(program_id: ProgramId) -> bool
pub fn is_exited(program_id: ProgramId) -> bool
Returns true if id is a program and the program has exited status.
sourcepub fn program_exists(program_id: ProgramId) -> bool
pub fn program_exists(program_id: ProgramId) -> bool
Returns true if there is a program with the specified id (it may be paused).
sourcepub fn exit_inheritor_of(program_id: ProgramId) -> Option<ProgramId>
pub fn exit_inheritor_of(program_id: ProgramId) -> Option<ProgramId>
Returns exit argument of an exited program.
sourcepub fn termination_inheritor_of(program_id: ProgramId) -> Option<ProgramId>
pub fn termination_inheritor_of(program_id: ProgramId) -> Option<ProgramId>
Returns inheritor of terminated (failed it’s init) program.
sourcepub fn next_message_id(user_id: H256) -> MessageId
pub fn next_message_id(user_id: H256) -> MessageId
Returns MessageId for newly created user message.
sourcepub fn process_tasks(ext_manager: &mut ExtManager<T>)
pub fn process_tasks(ext_manager: &mut ExtManager<T>)
Delayed tasks processing.
pub fn run_call() -> Call<T>
pub fn rent_fee_for( block_count: BlockNumberFor<T> ) -> <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance
source§impl<T: Config> Pallet<T>where
T::AccountId: Origin,
impl<T: Config> Pallet<T>where T::AccountId: Origin,
sourcepub fn upload_code(
origin: OriginFor<T>,
code: Vec<u8>
) -> DispatchResultWithPostInfo
pub fn upload_code( origin: OriginFor<T>, code: Vec<u8> ) -> DispatchResultWithPostInfo
Saves program code
in storage.
The extrinsic was created to provide deploy program from program functionality. Anyone who wants to define a “factory” logic in program should first store the code and metadata for the “child” program in storage. So the code for the child will be initialized by program initialization request only if it exists in storage.
More precisely, the code and its metadata are actually saved in the storage under the hash of the code
. The code hash is computed
as Blake256 hash. At the time of the call the code
hash should not be in the storage. If it was stored previously, call will end up
with an CodeAlreadyExists
error. In this case user can be sure, that he can actually use the hash of his program’s code bytes to define
“program factory” logic in his program.
Parameters
code
: wasm code of a program as a byte vector.
Emits the following events:
SavedCode(H256)
- when the code is saved in storage.
sourcepub fn upload_program(
origin: OriginFor<T>,
code: Vec<u8>,
salt: Vec<u8>,
init_payload: Vec<u8>,
gas_limit: u64,
value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance
) -> DispatchResultWithPostInfo
pub fn upload_program( origin: OriginFor<T>, code: Vec<u8>, salt: Vec<u8>, init_payload: Vec<u8>, gas_limit: u64, value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance ) -> DispatchResultWithPostInfo
Creates program initialization request (message), that is scheduled to be run in the same block.
There are no guarantees that initialization message will be run in the same block due to block gas limit restrictions. For example, when it will be the message’s turn, required gas limit for it could be more than remaining block gas limit. Therefore, the message processing will be postponed until the next block.
ProgramId
is computed as Blake256 hash of concatenated bytes of code
+ salt
. (todo #512 code_hash
+ salt
)
Such ProgramId
must not exist in the Program Storage at the time of this call.
There is the same guarantee here as in upload_code
. That is, future program’s
code
and metadata are stored before message was added to the queue and processed.
The origin must be Signed and the sender must have sufficient funds to pay
for gas
and value
(in case the latter is being transferred).
Parameters:
code
: wasm code of a program as a byte vector.salt
: randomness term (a seed) to allow programs with identical code to be created independently.init_payload
: encoded parameters of the wasm moduleinit
function.gas_limit
: maximum amount of gas the program can spend before it is halted.value
: balance to be transferred to the program once it’s been created.
Emits the following events:
InitMessageEnqueued(MessageInfo)
when init message is placed in the queue.
Note
Faulty (uninitialized) programs still have a valid addresses (program ids) that can deterministically be derived on the caller’s side upfront. It means that if messages are sent to such an address, they might still linger in the queue.
In order to mitigate the risk of users’ funds being sent to an address, where a valid program should have resided, while it’s not, such “failed-to-initialize” programs are not silently deleted from the program storage but rather marked as “ghost” programs. Ghost program can be removed by their original author via an explicit call. The funds stored by a ghost program will be release to the author once the program has been removed.
sourcepub fn create_program(
origin: OriginFor<T>,
code_id: CodeId,
salt: Vec<u8>,
init_payload: Vec<u8>,
gas_limit: u64,
value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance
) -> DispatchResultWithPostInfo
pub fn create_program( origin: OriginFor<T>, code_id: CodeId, salt: Vec<u8>, init_payload: Vec<u8>, gas_limit: u64, value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance ) -> DispatchResultWithPostInfo
Creates program via code_id
from storage.
Parameters:
code_id
: wasm code id in the code storage.salt
: randomness term (a seed) to allow programs with identical code to be created independently.init_payload
: encoded parameters of the wasm moduleinit
function.gas_limit
: maximum amount of gas the program can spend before it is halted.value
: balance to be transferred to the program once it’s been created.
Emits the following events:
InitMessageEnqueued(MessageInfo)
when init message is placed in the queue.
NOTE
For the details of this extrinsic, see upload_code
.
sourcepub fn send_message(
origin: OriginFor<T>,
destination: ProgramId,
payload: Vec<u8>,
gas_limit: u64,
value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance
) -> DispatchResultWithPostInfo
pub fn send_message( origin: OriginFor<T>, destination: ProgramId, payload: Vec<u8>, gas_limit: u64, value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance ) -> DispatchResultWithPostInfo
Sends a message to a program or to another account.
The origin must be Signed and the sender must have sufficient funds to pay
for gas
and value
(in case the latter is being transferred).
To avoid an undefined behavior a check is made that the destination address is not a program in uninitialized state. If the opposite holds true, the message is not enqueued for processing.
Parameters:
destination
: the message destination.payload
: in case of a program destination, parameters of thehandle
function.gas_limit
: maximum amount of gas the program can spend before it is halted.value
: balance to be transferred to the program once it’s been created.
Emits the following events:
DispatchMessageEnqueued(MessageInfo)
when dispatch message is placed in the queue.
sourcepub fn send_reply(
origin: OriginFor<T>,
reply_to_id: MessageId,
payload: Vec<u8>,
gas_limit: u64,
value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance
) -> DispatchResultWithPostInfo
pub fn send_reply( origin: OriginFor<T>, reply_to_id: MessageId, payload: Vec<u8>, gas_limit: u64, value: <<T as Config>::Currency as Currency<<T as Config>::AccountId>>::Balance ) -> DispatchResultWithPostInfo
Send reply on message in Mailbox
.
Removes message by given MessageId
from callers Mailbox
:
rent funds become free, associated with the message value
transfers from message sender to extrinsic caller.
Generates reply on removed message with given parameters
and pushes it in MessageQueue
.
NOTE: source of the message in mailbox guaranteed to be a program.
NOTE: only user who is destination of the message, can claim value or reply on the message from mailbox.
sourcepub fn claim_value(
origin: OriginFor<T>,
message_id: MessageId
) -> DispatchResultWithPostInfo
pub fn claim_value( origin: OriginFor<T>, message_id: MessageId ) -> DispatchResultWithPostInfo
Claim value from message in Mailbox
.
Removes message by given MessageId
from callers Mailbox
:
rent funds become free, associated with the message value
transfers from message sender to extrinsic caller.
NOTE: only user who is destination of the message, can claim value or reply on the message from mailbox.
sourcepub fn set_execute_inherent(origin: OriginFor<T>, value: bool) -> DispatchResult
pub fn set_execute_inherent(origin: OriginFor<T>, value: bool) -> DispatchResult
Sets ExecuteInherent
flag.
Requires root origin (eventually, will only be set via referendum)
sourcepub fn pay_program_rent(
origin: OriginFor<T>,
program_id: ProgramId,
block_count: BlockNumberFor<T>
) -> DispatchResultWithPostInfo
pub fn pay_program_rent( origin: OriginFor<T>, program_id: ProgramId, block_count: BlockNumberFor<T> ) -> DispatchResultWithPostInfo
Pay additional rent for the program.
source§impl<T: Config> Pallet<T>
impl<T: Config> Pallet<T>
sourcepub fn execute_inherent() -> bool
pub fn execute_inherent() -> bool
A flag indicating whether the message queue should be processed at the end of a block
If not set, the inherent extrinsic that processes the queue will keep throwing an error thereby making the block builder exclude it from the block.
Trait Implementations§
source§impl<T: Config> Callable<T> for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> Callable<T> for Pallet<T>where T::AccountId: Origin,
type RuntimeCall = Call<T>
source§impl<T: Config> GetStorageVersion for Pallet<T>
impl<T: Config> GetStorageVersion for Pallet<T>
source§fn current_storage_version() -> StorageVersion
fn current_storage_version() -> StorageVersion
source§fn on_chain_storage_version() -> StorageVersion
fn on_chain_storage_version() -> StorageVersion
source§impl<T: Config> Hooks<<T as Config>::BlockNumber> for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> Hooks<<T as Config>::BlockNumber> for Pallet<T>where T::AccountId: Origin,
source§fn on_initialize(bn: BlockNumberFor<T>) -> Weight
fn on_initialize(bn: BlockNumberFor<T>) -> Weight
Initialization
source§fn on_finalize(bn: BlockNumberFor<T>)
fn on_finalize(bn: BlockNumberFor<T>)
Finalization
source§fn on_runtime_upgrade() -> Weight
fn on_runtime_upgrade() -> Weight
§fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
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 offchain_worker(_n: BlockNumber)
fn offchain_worker(_n: BlockNumber)
§fn integrity_test()
fn integrity_test()
source§impl<T: Config> IntegrityTest for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> IntegrityTest for Pallet<T>where T::AccountId: Origin,
source§fn integrity_test()
fn integrity_test()
source§impl<T: Config> OffchainWorker<<T as Config>::BlockNumber> for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> OffchainWorker<<T as Config>::BlockNumber> for Pallet<T>where T::AccountId: Origin,
source§fn offchain_worker(n: <T as Config>::BlockNumber)
fn offchain_worker(n: <T as Config>::BlockNumber)
source§impl<T: Config> OnFinalize<<T as Config>::BlockNumber> for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> OnFinalize<<T as Config>::BlockNumber> for Pallet<T>where T::AccountId: Origin,
source§fn on_finalize(n: <T as Config>::BlockNumber)
fn on_finalize(n: <T as Config>::BlockNumber)
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>::BlockNumber> for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> OnIdle<<T as Config>::BlockNumber> for Pallet<T>where T::AccountId: Origin,
source§fn on_idle(n: <T as Config>::BlockNumber, remaining_weight: Weight) -> Weight
fn on_idle(n: <T as Config>::BlockNumber, remaining_weight: Weight) -> Weight
remaining_weight
to make sure it is high enough to allow for
your pallet’s extra computation. Read moresource§impl<T: Config> OnInitialize<<T as Config>::BlockNumber> for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> OnInitialize<<T as Config>::BlockNumber> for Pallet<T>where T::AccountId: Origin,
source§fn on_initialize(n: <T as Config>::BlockNumber) -> Weight
fn on_initialize(n: <T as Config>::BlockNumber) -> Weight
source§impl<T: Config> OnRuntimeUpgrade for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> OnRuntimeUpgrade for Pallet<T>where T::AccountId: Origin,
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> PartialEq<Pallet<T>> for Pallet<T>
impl<T> PartialEq<Pallet<T>> for Pallet<T>
source§impl<T: Config> PaymentProvider<<T as Config>::AccountId> for Pallet<T>where
T::AccountId: Origin,
impl<T: Config> PaymentProvider<<T as Config>::AccountId> for Pallet<T>where T::AccountId: Origin,
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> 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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source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
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fn borrow_mut(&mut self) -> &mut T
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impl<T> CheckedConversion for T
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fn checked_from<T>(t: T) -> Option<Self>where Self: TryFrom<T>,
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T: Any,
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(where Trait: Downcast
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then be further downcast
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