pub struct CheckWeight<T: Config + Send + Sync>(/* private fields */);
Expand description

Block resource (weight) limit check.

§Transaction Validity

This extension does not influence any fields of TransactionValidity in case the transaction is valid.

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impl<T: Config + Send + Sync> CheckWeight<T>
where T::RuntimeCall: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>,

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pub fn new() -> Self

Creates new SignedExtension to check weight of the extrinsic.

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pub fn do_pre_dispatch( info: &DispatchInfoOf<T::RuntimeCall>, len: usize ) -> Result<(), TransactionValidityError>

Do the pre-dispatch checks. This can be applied to both signed and unsigned.

It checks and notes the new weight and length.

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pub fn do_validate( info: &DispatchInfoOf<T::RuntimeCall>, len: usize ) -> TransactionValidity

Do the validate checks. This can be applied to both signed and unsigned.

It only checks that the block weight and length limit will not exceed.

Trait Implementations§

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impl<T: Clone + Config + Send + Sync> Clone for CheckWeight<T>

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fn clone(&self) -> CheckWeight<T>

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
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impl<T: Config + Send + Sync> Debug for CheckWeight<T>

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

Formats the value using the given formatter. Read more
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impl<T: Config + Send + Sync> Decode for CheckWeight<T>
where PhantomData<T>: Decode,

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fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy ) -> Result<Self, Error>

Attempt to deserialise the value from input.
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fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self> ) -> Result<DecodeFinished, Error>
where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory. Read more
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fn skip<I>(input: &mut I) -> Result<(), Error>
where I: Input,

Attempt to skip the encoded value from input. Read more
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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more
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impl<T: Default + Config + Send + Sync> Default for CheckWeight<T>

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fn default() -> CheckWeight<T>

Returns the “default value” for a type. Read more
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impl<T: Config + Send + Sync> Encode for CheckWeight<T>
where PhantomData<T>: Encode,

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fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more
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fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy )

Convert self to a slice and append it to the destination.
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fn encode(&self) -> Vec<u8>

Convert self to an owned vector.
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fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

Convert self to a slice and then invoke the given closure with it.
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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more
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impl<T: PartialEq + Config + Send + Sync> PartialEq for CheckWeight<T>

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fn eq(&self, other: &CheckWeight<T>) -> 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.
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impl<T: Config + Send + Sync> SignedExtension for CheckWeight<T>
where T::RuntimeCall: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>,

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type AccountId = <T as Config>::AccountId

The type which encodes the sender identity.
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type Call = <T as Config>::RuntimeCall

The type which encodes the call to be dispatched.
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type AdditionalSigned = ()

Any additional data that will go into the signed payload. This may be created dynamically from the transaction using the additional_signed function.
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type Pre = ()

The type that encodes information that can be passed from pre_dispatch to post-dispatch.
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const IDENTIFIER: &'static str = "CheckWeight"

Unique identifier of this signed extension. Read more
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fn additional_signed(&self) -> Result<(), TransactionValidityError>

Construct any additional data that should be in the signed payload of the transaction. Can also perform any pre-signature-verification checks and return an error if needed.
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fn pre_dispatch( self, _who: &Self::AccountId, _call: &Self::Call, info: &DispatchInfoOf<Self::Call>, len: usize ) -> Result<(), TransactionValidityError>

Do any pre-flight stuff for a signed transaction. Read more
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fn validate( &self, _who: &Self::AccountId, _call: &Self::Call, info: &DispatchInfoOf<Self::Call>, len: usize ) -> TransactionValidity

Validate a signed transaction for the transaction queue. Read more
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fn pre_dispatch_unsigned( _call: &Self::Call, info: &DispatchInfoOf<Self::Call>, len: usize ) -> Result<(), TransactionValidityError>

Do any pre-flight stuff for a unsigned transaction. Read more
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fn validate_unsigned( _call: &Self::Call, info: &DispatchInfoOf<Self::Call>, len: usize ) -> TransactionValidity

Validate an unsigned transaction for the transaction queue. Read more
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fn post_dispatch( _pre: Option<Self::Pre>, info: &DispatchInfoOf<Self::Call>, post_info: &PostDispatchInfoOf<Self::Call>, _len: usize, _result: &DispatchResult ) -> Result<(), TransactionValidityError>

Do any post-flight stuff for an extrinsic. Read more
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fn metadata() -> Vec<SignedExtensionMetadata>

Returns the metadata for this signed extension. Read more
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impl<T> TypeInfo for CheckWeight<T>
where PhantomData<T>: TypeInfo + 'static, T: Config + Send + Sync + 'static,

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type Identity = CheckWeight<T>

The type identifying for which type info is provided. Read more
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fn type_info() -> Type

Returns the static type identifier for Self.
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impl<T: Config + Send + Sync> EncodeLike for CheckWeight<T>
where PhantomData<T>: Encode,

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impl<T: Eq + Config + Send + Sync> Eq for CheckWeight<T>

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impl<T: Config + Send + Sync> StructuralPartialEq for CheckWeight<T>

Auto Trait Implementations§

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impl<T> RefUnwindSafe for CheckWeight<T>
where T: RefUnwindSafe,

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impl<T> Send for CheckWeight<T>

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impl<T> Sync for CheckWeight<T>

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impl<T> Unpin for CheckWeight<T>
where T: Unpin,

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impl<T> UnwindSafe for CheckWeight<T>
where T: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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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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where Self: TryInto<T>,

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Decode Self and consume all of the given input data. Read more
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Decode Self and consume all of the given input data. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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

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