Struct frame_system::CheckSpecVersion

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pub struct CheckSpecVersion<T: Config + Send + Sync>(_);

Expand description

Ensure the runtime version registered in the transaction is the same as at present.

Transaction Validity

The transaction with incorrect spec_version are considered invalid. The validity is not affected in any other way.

Implementations

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impl<T: Config + Send + Sync> CheckSpecVersion<T>

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pub fn new() -> Self

Create new SignedExtension to check runtime version.

Trait Implementations

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

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fn clone(&self) -> CheckSpecVersion<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 CheckSpecVersion<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 CheckSpecVersion<T> where
PhantomData<T>: Decode,
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 skip(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: Config + Send + Sync> Encode for CheckSpecVersion<T> where
PhantomData<T>: Encode,
PhantomData<T>: Encode,

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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>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

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 size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more

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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<CheckSpecVersion<T>> for CheckSpecVersion<T>

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fn eq(&self, other: &CheckSpecVersion<T>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &CheckSpecVersion<T>) -> bool

This method tests for !=.

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impl<T: Config + Send + Sync> SignedExtension for CheckSpecVersion<T>

type AccountId = T::AccountId

The type which encodes the sender identity.

type Call = <T as Config>::Call

The type which encodes the call to be dispatched.

type AdditionalSigned = u32

Any additional data that will go into the signed payload. This may be created dynamically from the transaction using the additional_signed function. Read more

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

Unique identifier of this signed extension. Read more

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fn additional_signed(
&self
) -> Result<Self::AdditionalSigned, 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. Read more

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fn validate(
 &self,
 _who: &Self::AccountId,
 _call: &Self::Call,
 _info: &<Self::Call as Dispatchable>::Info,
 _len: usize
) -> Result<ValidTransaction, TransactionValidityError>

Validate a signed transaction for the transaction queue. Read more

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fn pre_dispatch(
 self,
 who: &Self::AccountId,
 call: &Self::Call,
 info: &<Self::Call as Dispatchable>::Info,
 len: usize
) -> Result<Self::Pre, TransactionValidityError>

Do any pre-flight stuff for a signed transaction. Read more

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fn validate_unsigned(
 _call: &Self::Call,
 _info: &<Self::Call as Dispatchable>::Info,
 _len: usize
) -> Result<ValidTransaction, TransactionValidityError>

Validate an unsigned transaction for the transaction queue. Read more

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fn pre_dispatch_unsigned(
 call: &Self::Call,
 info: &<Self::Call as Dispatchable>::Info,
 len: usize
) -> Result<Self::Pre, TransactionValidityError>

Do any pre-flight stuff for a unsigned transaction. Read more

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fn post_dispatch(
 _pre: Self::Pre,
 _info: &<Self::Call as Dispatchable>::Info,
 _post_info: &<Self::Call as Dispatchable>::PostInfo,
 _len: usize,
 _result: &Result<(), DispatchError>
) -> Result<(), TransactionValidityError>

Do any post-flight stuff for an extrinsic. Read more

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fn metadata() -> Vec<SignedExtensionMetadata, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Returns the metadata for this signed extension. Read more

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impl<T: Config + Send + Sync> TypeInfo for CheckSpecVersion<T> where
PhantomData<T>: TypeInfo + 'static,
T: Config + Send + Sync + 'static,

type Identity = Self

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<CheckSpecVersion<T>> for CheckSpecVersion<T> where
PhantomData<T>: Encode,
PhantomData<T>: Encode,

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

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impl<T: Config + Send + Sync> StructuralEq for CheckSpecVersion<T>

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

Auto Trait Implementations

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

impl<T> Send for CheckSpecVersion<T>

impl<T> Sync for CheckSpecVersion<T>

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

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

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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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>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

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impl<T> DecodeAll for T where
T: Decode,

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pub fn decode_all(input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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impl<T> DecodeLimit for T where
T: Decode,

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pub fn decode_all_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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pub fn decode_and_advance_with_depth_limit(
 limit: u32,
 input: &mut I
) -> Result<T, Error> where
 I: Input,

Decode Self and advance input by the number of bytes consumed. Read more

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pub fn decode_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self with the given maximum recursion depth. Read more

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impl<T> Downcast for T where
T: Any,

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pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ
Notable traits for Box<W, Global>
`impl<W> Write for Box<W, Global> where W: Write + ?Sized, impl<R> Read for Box<R, Global> where R: Read + ?Sized, impl<I, A> Iterator for Box<I, A> where I: Iterator + ?Sized, A: Allocator, type Item = ::Item;impl<F, A> Future for Box<F, A> where F: Future + Unpin + ?Sized, A: Allocator + 'static, type Output = <F as Future>::Output;`

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

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pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

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pub fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

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pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

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impl<T> DowncastSync for T where
T: Any + Send + Sync,

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pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait. Read more

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pub fn from(t: T) -> T

Performs the conversion.

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impl<T> Hashable for T where
T: Codec,

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pub fn blake2_128(&self) -> [u8 ; 16]

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pub fn blake2_256(&self) -> [u8 ; 32]

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pub fn blake2_128_concat(&self) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

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pub fn twox_128(&self) -> [u8 ; 16]

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pub fn twox_256(&self) -> [u8 ; 32]

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pub fn twox_64_concat(&self) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

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pub fn identity(&self) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

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impl<T> IsType<T> for T

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pub fn from_ref(t: &T) -> &T

Cast reference.

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pub fn into_ref(&self) -> &T

Cast reference.

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pub fn from_mut(t: &mut T) -> &mut T

Cast mutable reference.

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pub fn into_mut(&mut self) -> &mut T

Cast mutable reference.

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impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

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pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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pub fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> KeyedVec for T where
T: Codec,

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pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Return an encoding of Self prepended by given slice.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

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fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

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pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

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pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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pub fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<S> Codec for S where
S: Decode + Encode,

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impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,

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impl<T> EncodeLike<Arc<T>> for T where
T: Encode,

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impl<T> EncodeLike<Box<T, Global>> for T where
T: Encode,

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impl<'a, T> EncodeLike<Cow<'a, T>> for T where
T: ToOwned + Encode,

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impl<T> EncodeLike<Rc<T>> for T where
T: Encode,

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impl<S> FullCodec for S where
S: Decode + FullEncode,

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impl<S> FullEncode for S where
S: Encode + EncodeLike<S>,

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impl<T> MaybeDebug for T where
T: Debug,

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impl<T> MaybeDebug for T where
T: Debug,

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

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impl<T> Member for T where
T: 'static + Send + Sync + Debug + Eq + PartialEq<T> + Clone,

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impl<T> Parameter for T where
T: Codec + EncodeLike<T> + Clone + Eq + Debug + TypeInfo,

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Struct frame_system::CheckSpecVersion

Transaction Validity

Implementations

impl<T: Config + Send + Sync> CheckSpecVersion<T>

pub fn new() -> Self

Trait Implementations

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

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

fn clone_from(&mut self, source: &Self)

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

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

impl<T: Config + Send + Sync> Decode for CheckSpecVersion<T> where PhantomData<T>: Decode, PhantomData<T>: Decode,

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

fn skip<I>(input: &mut I) -> Result<(), Error> where I: Input,

fn encoded_fixed_size() -> Option<usize>

impl<T: Config + Send + Sync> Encode for CheckSpecVersion<T> where PhantomData<T>: Encode, PhantomData<T>: Encode,

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy)

fn encode(&self) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

fn size_hint(&self) -> usize

fn encoded_size(&self) -> usize

impl<T: PartialEq + Config + Send + Sync> PartialEq<CheckSpecVersion<T>> for CheckSpecVersion<T>

fn eq(&self, other: &CheckSpecVersion<T>) -> bool

fn ne(&self, other: &CheckSpecVersion<T>) -> bool

impl<T: Config + Send + Sync> SignedExtension for CheckSpecVersion<T>

type AccountId = T::AccountId

type Call = <T as Config>::Call

type AdditionalSigned = u32

type Pre = ()

const IDENTIFIER: &'static str

fn additional_signed( &self) -> Result<Self::AdditionalSigned, TransactionValidityError>

fn validate( &self, _who: &Self::AccountId, _call: &Self::Call, _info: &<Self::Call as Dispatchable>::Info, _len: usize) -> Result<ValidTransaction, TransactionValidityError>

fn pre_dispatch( self, who: &Self::AccountId, call: &Self::Call, info: &<Self::Call as Dispatchable>::Info, len: usize) -> Result<Self::Pre, TransactionValidityError>

fn validate_unsigned( _call: &Self::Call, _info: &<Self::Call as Dispatchable>::Info, _len: usize) -> Result<ValidTransaction, TransactionValidityError>

fn pre_dispatch_unsigned( call: &Self::Call, info: &<Self::Call as Dispatchable>::Info, len: usize) -> Result<Self::Pre, TransactionValidityError>

fn post_dispatch( _pre: Self::Pre, _info: &<Self::Call as Dispatchable>::Info, _post_info: &<Self::Call as Dispatchable>::PostInfo, _len: usize, _result: &Result<(), DispatchError>) -> Result<(), TransactionValidityError>

fn metadata() -> Vec<SignedExtensionMetadata, Global>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

impl<T: Config + Send + Sync> TypeInfo for CheckSpecVersion<T> where PhantomData<T>: TypeInfo + 'static, T: Config + Send + Sync + 'static,

type Identity = Self

fn type_info() -> Type

impl<T: Config + Send + Sync> EncodeLike<CheckSpecVersion<T>> for CheckSpecVersion<T> where PhantomData<T>: Encode, PhantomData<T>: Encode,

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

impl<T: Config + Send + Sync> StructuralEq for CheckSpecVersion<T>

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

Auto Trait Implementations

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

impl<T> Send for CheckSpecVersion<T>

impl<T> Sync for CheckSpecVersion<T>

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

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

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> CheckedConversion for T

fn checked_from<T>(t: T) -> Option<Self> where Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where Self: TryInto<T>,

impl<T> DecodeAll for T where T: Decode,

pub fn decode_all(input: &[u8]) -> Result<T, Error>

impl<T> DecodeLimit for T where T: Decode,

pub fn decode_all_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>

pub fn decode_and_advance_with_depth_limit<I>( limit: u32, input: &mut I) -> Result<T, Error> where I: Input,

pub fn decode_with_depth_limit(limit: u32, input: &[u8]) -> Result<T, Error>

impl<T> Downcast for T where T: Any,

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

pub fn as_any(&self) -> &(dyn Any + 'static)

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

impl<T> DowncastSync for T where T: Any + Send + Sync,

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send + 'static>

impl<T> DynClone for T where T: Clone,

pub fn __clone_box(&self, Private) -> *mut ()

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Hashable for T where T: Codec,

pub fn blake2_128(&self) -> [u8; 16]

pub fn blake2_256(&self) -> [u8; 32]

pub fn blake2_128_concat(&self) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

impl<T: Config + Send + Sync> Decode for CheckSpecVersion<T> where
PhantomData<T>: Decode,
PhantomData<T>: Decode,

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

fn skip<I>(input: &mut I) -> Result<(), Error> where
I: Input,

impl<T: Config + Send + Sync> Encode for CheckSpecVersion<T> where
PhantomData<T>: Encode,
PhantomData<T>: Encode,

fn encode_to<CodecOutputEdqy: Output + ?Sized>(
&self,
codec_dest_edqy: &mut __CodecOutputEdqy
)

fn encode(&self) -> Vec<u8>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn using_encoded<R, F: FnOnce(&[u8 ]) -> R>(&self, f: F) -> R

fn additional_signed(
&self
) -> Result<Self::AdditionalSigned, TransactionValidityError>

fn validate(
&self,
_who: &Self::AccountId,
_call: &Self::Call,
_info: &<Self::Call as Dispatchable>::Info,
_len: usize
) -> Result<ValidTransaction, TransactionValidityError>

fn pre_dispatch(
self,
who: &Self::AccountId,
call: &Self::Call,
info: &<Self::Call as Dispatchable>::Info,
len: usize
) -> Result<Self::Pre, TransactionValidityError>

fn validate_unsigned(
_call: &Self::Call,
_info: &<Self::Call as Dispatchable>::Info,
_len: usize
) -> Result<ValidTransaction, TransactionValidityError>

fn pre_dispatch_unsigned(
call: &Self::Call,
info: &<Self::Call as Dispatchable>::Info,
len: usize
) -> Result<Self::Pre, TransactionValidityError>

fn post_dispatch(
_pre: Self::Pre,
_info: &<Self::Call as Dispatchable>::Info,
_post_info: &<Self::Call as Dispatchable>::PostInfo,
_len: usize,
_result: &Result<(), DispatchError>
) -> Result<(), TransactionValidityError>

fn metadata() -> Vec<SignedExtensionMetadata, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

impl<T: Config + Send + Sync> TypeInfo for CheckSpecVersion<T> where
PhantomData<T>: TypeInfo + 'static,
T: Config + Send + Sync + 'static,

impl<T: Config + Send + Sync> EncodeLike<CheckSpecVersion<T>> for CheckSpecVersion<T> where
PhantomData<T>: Encode,
PhantomData<T>: Encode,

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

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

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

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

impl<T> DecodeAll for T where
T: Decode,

pub fn decode_all(input: &[u8 ]) -> Result<T, Error>

impl<T> DecodeLimit for T where
T: Decode,

pub fn decode_all_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

pub fn decode_and_advance_with_depth_limit<I>(
limit: u32,
input: &mut I
) -> Result<T, Error> where
I: Input,

pub fn decode_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

impl<T> Downcast for T where
T: Any,

impl<T> DowncastSync for T where
T: Any + Send + Sync,

impl<T> DynClone for T where
T: Clone,

impl<T> Hashable for T where
T: Codec,

pub fn blake2_128(&self) -> [u8 ; 16]

pub fn blake2_256(&self) -> [u8 ; 32]

pub fn blake2_128_concat(&self) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn twox_128(&self) -> [u8 ; 16]

pub fn twox_256(&self) -> [u8 ; 32]

pub fn twox_64_concat(&self) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn identity(&self) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

impl<T> KeyedVec for T where
T: Codec,

pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

impl<S> Codec for S where
S: Decode + Encode,

impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,

impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,

impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,

impl<T> EncodeLike<Arc<T>> for T where
T: Encode,

impl<T> EncodeLike<Box<T, Global>> for T where
T: Encode,

impl<'a, T> EncodeLike<Cow<'a, T>> for T where
T: ToOwned + Encode,

impl<T> EncodeLike<Rc<T>> for T where
T: Encode,

impl<S> FullCodec for S where
S: Decode + FullEncode,

impl<S> FullEncode for S where
S: Encode + EncodeLike<S>,

impl<T> MaybeDebug for T where
T: Debug,

impl<T> MaybeDebug for T where
T: Debug,

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

impl<T> Member for T where
T: 'static + Send + Sync + Debug + Eq + PartialEq<T> + Clone,

impl<T> Parameter for T where
T: Codec + EncodeLike<T> + Clone + Eq + Debug + TypeInfo,

impl<T> StaticTypeInfo for T where
T: 'static + TypeInfo,