Struct common_primitives::node::generic::UncheckedExtrinsic

pub struct UncheckedExtrinsic<Address, Call, Signature, Extra>
where
    Extra: SignedExtension,
{
    pub signature: Option<(Address, Signature, Extra)>,
    pub function: Call,
}
Expand description

An extrinsic right from the external world. This is unchecked and so can contain a signature.

An extrinsic is formally described as any external data that is originating from the outside of the runtime and fed into the runtime as a part of the block-body.

Inherents are special types of extrinsics that are placed into the block by the block-builder. They are unsigned because the assertion is that they are “inherently true” by virtue of getting past all validators.

Transactions are all other statements provided by external entities that the chain deems values and decided to include in the block. This value is typically in the form of fee payment, but it could in principle be any other interaction. Transactions are either signed or unsigned. A sensible transaction pool should ensure that only transactions that are worthwhile are considered for block-building.

flowchart TD
    E(Extrinsic) ---> I(Inherent);
    E --> T(Transaction)
    T --> ST("Signed (aka. Transaction)")
    T --> UT(Unsigned)

This type is by no means enforced within Substrate, but given its genericness, it is highly likely that for most use-cases it will suffice. Thus, the encoding of this type will dictate exactly what bytes should be sent to a runtime to transact with it.

This can be checked using [Checkable], yielding a CheckedExtrinsic, which is the counterpart of this type after its signature (and other non-negotiable validity checks) have passed.

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§signature: Option<(Address, Signature, Extra)>

The signature, address, number of extrinsics have come before from the same signer and an era describing the longevity of this transaction, if this is a signed extrinsic.

None if it is unsigned or an inherent.

§function: Call

The function that should be called.

Implementations§

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impl<Address, Call, Signature, Extra> UncheckedExtrinsic<Address, Call, Signature, Extra>
where Extra: SignedExtension,

pub fn new_signed( function: Call, signed: Address, signature: Signature, extra: Extra ) -> UncheckedExtrinsic<Address, Call, Signature, Extra>

New instance of a signed extrinsic aka “transaction”.

pub fn new_unsigned( function: Call ) -> UncheckedExtrinsic<Address, Call, Signature, Extra>

New instance of an unsigned extrinsic aka “inherent”.

Trait Implementations§

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impl<LookupSource, AccountId, Call, Signature, Extra, Lookup> Checkable<Lookup> for UncheckedExtrinsic<LookupSource, Call, Signature, Extra>
where LookupSource: Member + MaybeDisplay, Call: Encode + Member, Signature: Member + Verify, <Signature as Verify>::Signer: IdentifyAccount<AccountId = AccountId>, Extra: SignedExtension<AccountId = AccountId>, AccountId: Member + MaybeDisplay, Lookup: Lookup<Source = LookupSource, Target = AccountId>,

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type Checked = CheckedExtrinsic<AccountId, Call, Extra>

Returned if check succeeds.
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fn check( self, lookup: &Lookup ) -> Result<<UncheckedExtrinsic<LookupSource, Call, Signature, Extra> as Checkable<Lookup>>::Checked, TransactionValidityError>

Check self, given an instance of Context.
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impl<Address, Call, Signature, Extra> Clone for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Clone, Call: Clone, Signature: Clone, Extra: Clone + SignedExtension,

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fn clone(&self) -> UncheckedExtrinsic<Address, Call, Signature, Extra>

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<Address, Call, Signature, Extra> Debug for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Debug, Call: Debug, Extra: SignedExtension,

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

Formats the value using the given formatter. Read more
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impl<Address, Call, Signature, Extra> Decode for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Decode, Signature: Decode, Call: Decode, Extra: SignedExtension,

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fn decode<I>( input: &mut I ) -> Result<UncheckedExtrinsic<Address, Call, Signature, Extra>, Error>
where I: Input,

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<'a, Address, Signature, Call, Extra> Deserialize<'a> for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Decode, Signature: Decode, Call: Decode, Extra: SignedExtension,

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fn deserialize<D>( de: D ) -> Result<UncheckedExtrinsic<Address, Call, Signature, Extra>, <D as Deserializer<'a>>::Error>
where D: Deserializer<'a>,

Deserialize this value from the given Serde deserializer. Read more
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impl<Address, Call, Signature, Extra> Encode for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Encode, Signature: Encode, Call: Encode, Extra: SignedExtension,

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fn encode(&self) -> Vec<u8> ⓘ

Convert self to an owned vector.
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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<T>(&self, dest: &mut T)
where T: Output + ?Sized,

Convert self to a slice and append it to the destination.
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fn using_encoded<R, F>(&self, f: F) -> R
where F: FnOnce(&[u8]) -> 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<Address, Call, Signature, Extra> Extrinsic for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: TypeInfo, Call: TypeInfo, Signature: TypeInfo, Extra: SignedExtension + TypeInfo,

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type Call = Call

The function call.
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type SignaturePayload = (Address, Signature, Extra)

The payload we carry for signed extrinsics. Read more
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fn is_signed(&self) -> Option<bool>

Is this Extrinsic signed? If no information are available about signed/unsigned, None should be returned.
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fn new( function: Call, signed_data: Option<<UncheckedExtrinsic<Address, Call, Signature, Extra> as Extrinsic>::SignaturePayload> ) -> Option<UncheckedExtrinsic<Address, Call, Signature, Extra>>

Create new instance of the extrinsic. Read more
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impl<Address, Call, Signature, Extra> ExtrinsicCall for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: TypeInfo, Call: TypeInfo, Signature: TypeInfo, Extra: SignedExtension + TypeInfo,

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fn call( &self ) -> &<UncheckedExtrinsic<Address, Call, Signature, Extra> as Extrinsic>::Call

Get the call of the extrinsic.
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impl<Address, Call, Signature, Extra> ExtrinsicMetadata for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Extra: SignedExtension,

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const VERSION: u8 = 4u8

The format version of the Extrinsic. Read more
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type SignedExtensions = Extra

Signed extensions attached to this Extrinsic.
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impl<Address, Call, Signature, Extra> From<UncheckedExtrinsic<Address, Call, Signature, Extra>> for OpaqueExtrinsic
where Address: Encode, Signature: Encode, Call: Encode, Extra: SignedExtension,

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fn from( extrinsic: UncheckedExtrinsic<Address, Call, Signature, Extra> ) -> OpaqueExtrinsic

Converts to this type from the input type.
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impl<Address, Call, Signature, Extra> GetDispatchInfo for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Call: GetDispatchInfo, Extra: SignedExtension,

Implementation for unchecked extrinsic.

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fn get_dispatch_info(&self) -> DispatchInfo

Return a DispatchInfo, containing relevant information of this dispatch. Read more
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impl<Address, Call, Signature, Extra> PartialEq for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: PartialEq, Call: PartialEq, Signature: PartialEq, Extra: PartialEq + SignedExtension,

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fn eq( &self, other: &UncheckedExtrinsic<Address, Call, Signature, Extra> ) -> 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<Address, Signature, Call, Extra> Serialize for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Encode, Signature: Encode, Call: Encode, Extra: SignedExtension,

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fn serialize<S>( &self, seq: S ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<Address, Call, Signature, Extra> TypeInfo for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: StaticTypeInfo, Call: StaticTypeInfo, Signature: StaticTypeInfo, Extra: SignedExtension + StaticTypeInfo,

Manual [TypeInfo] implementation because of custom encoding. The data is a valid encoded Vec<u8>, but requires some logic to extract the signature and payload.

See UncheckedExtrinsic::encode and UncheckedExtrinsic::decode.

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type Identity = UncheckedExtrinsic<Address, Call, Signature, Extra>

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<Address, Call, Signature, Extra> EncodeLike for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Encode, Signature: Encode, Call: Encode, Extra: SignedExtension,

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impl<Address, Call, Signature, Extra> Eq for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Eq, Call: Eq, Signature: Eq, Extra: Eq + SignedExtension,

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impl<Address, Call, Signature, Extra> StructuralEq for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Extra: SignedExtension,

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impl<Address, Call, Signature, Extra> StructuralPartialEq for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Extra: SignedExtension,

Auto Trait Implementations§

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impl<Address, Call, Signature, Extra> RefUnwindSafe for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: RefUnwindSafe, Call: RefUnwindSafe, Extra: RefUnwindSafe, Signature: RefUnwindSafe,

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impl<Address, Call, Signature, Extra> Send for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Send, Call: Send, Signature: Send,

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impl<Address, Call, Signature, Extra> Sync for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Sync, Call: Sync, Signature: Sync,

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impl<Address, Call, Signature, Extra> Unpin for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: Unpin, Call: Unpin, Extra: Unpin, Signature: Unpin,

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impl<Address, Call, Signature, Extra> UnwindSafe for UncheckedExtrinsic<Address, Call, Signature, Extra>
where Address: UnwindSafe, Call: UnwindSafe, Extra: UnwindSafe, Signature: UnwindSafe,

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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>> 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,

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impl<T> JsonSchemaMaybe for T

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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> MaybeSerialize for T
where T: Serialize,

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impl<T> MaybeSerializeDeserialize for T
where T: DeserializeOwned + Serialize,

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

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

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