Struct sc_light::fetcher::LightDataChecker

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pub struct LightDataChecker<E, H, B: BlockT, S: BlockchainStorage<B>> { /* private fields */ }

Expand description

Remote data checker.

Implementations

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impl<E, H, B: BlockT, S: BlockchainStorage> LightDataChecker<E, H, B, S>

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pub fn new(
 blockchain: Arc<Blockchain<S>>,
 executor: E,
 spawn_handle: Box<dyn SpawnNamed>
) -> Self

Create new light data checker.

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pub fn check_changes_proof_with_cht_size(
 &self,
 request: &RemoteChangesRequest<B::Header>,
 remote_proof: ChangesProof<B::Header>,
 cht_size: NumberFor
) -> ClientResult<Vec<(NumberFor, u32 )>> where
 H: Hasher,
 H::Out: Ord + Codec,

Check remote changes query proof assuming that CHT-s are of given size.

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pub fn check_changes_tries_proof(
 &self,
 cht_size: NumberFor,
 remote_roots: &BTreeMap<NumberFor, B::Hash>,
 remote_roots_proof: StorageProof
) -> ClientResult<()> where
 H: Hasher,
 H::Out: Ord + Codec,

Check CHT-based proof for changes tries roots.

Trait Implementations

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impl<E, Block, H, S> FetchChecker<Block> for LightDataChecker<E, H, Block, S> where
 Block: BlockT,
 E: CodeExecutor + Clone + 'static,
 H: Hasher,
 H::Out: Ord + Codec + 'static,
 S: BlockchainStorage<Block>,

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fn check_header_proof(
 &self,
 request: &RemoteHeaderRequest<Block::Header>,
 remote_header: Option<Block::Header>,
 remote_proof: StorageProof
) -> ClientResult<Block::Header>

Check remote header proof.

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fn check_read_proof(
 &self,
 request: &RemoteReadRequest<Block::Header>,
 remote_proof: StorageProof
) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>

Check remote storage read proof.

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fn check_read_child_proof(
 &self,
 request: &RemoteReadChildRequest<Block::Header>,
 remote_proof: StorageProof
) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>

Check remote storage read proof.

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fn check_execution_proof(
 &self,
 request: &RemoteCallRequest<Block::Header>,
 remote_proof: StorageProof
) -> ClientResult<Vec<u8>>

Check remote method execution proof.

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fn check_changes_proof(
 &self,
 request: &RemoteChangesRequest<Block::Header>,
 remote_proof: ChangesProof<Block::Header>
) -> ClientResult<Vec<(NumberFor<Block>, u32 )>>

Check remote changes query proof.

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fn check_body_proof(
 &self,
 request: &RemoteBodyRequest<Block::Header>,
 body: Vec<Block::Extrinsic>
) -> ClientResult<Vec<Block::Extrinsic>>

Check remote body proof.

Auto Trait Implementations

impl<E, H, B, S> !RefUnwindSafe for LightDataChecker<E, H, B, S>

impl<E, H, B, S> Send for LightDataChecker<E, H, B, S> where
E: Send,
H: Send,

impl<E, H, B, S> Sync for LightDataChecker<E, H, B, S> where
E: Sync,
H: Sync,

impl<E, H, B, S> Unpin for LightDataChecker<E, H, B, S> where
 B: Unpin,
 E: Unpin,
 H: Unpin,

impl<E, H, B, S> !UnwindSafe for LightDataChecker<E, H, B, S>

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> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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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> 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

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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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> Pointable for T

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pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

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pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

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pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

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pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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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, 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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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

Struct sc_light::fetcher::LightDataChecker

Implementations

impl<E, H, B: BlockT, S: BlockchainStorage<B>> LightDataChecker<E, H, B, S>

pub fn new( blockchain: Arc<Blockchain<S>>, executor: E, spawn_handle: Box<dyn SpawnNamed>) -> Self

pub fn check_changes_proof_with_cht_size( &self, request: &RemoteChangesRequest<B::Header>, remote_proof: ChangesProof<B::Header>, cht_size: NumberFor<B>) -> ClientResult<Vec<(NumberFor<B>, u32)>> where H: Hasher, H::Out: Ord + Codec,

pub fn check_changes_tries_proof( &self, cht_size: NumberFor<B>, remote_roots: &BTreeMap<NumberFor<B>, B::Hash>, remote_roots_proof: StorageProof) -> ClientResult<()> where H: Hasher, H::Out: Ord + Codec,

Trait Implementations

impl<E, Block, H, S> FetchChecker<Block> for LightDataChecker<E, H, Block, S> where Block: BlockT, E: CodeExecutor + Clone + 'static, H: Hasher, H::Out: Ord + Codec + 'static, S: BlockchainStorage<Block>,

fn check_header_proof( &self, request: &RemoteHeaderRequest<Block::Header>, remote_header: Option<Block::Header>, remote_proof: StorageProof) -> ClientResult<Block::Header>

fn check_read_proof( &self, request: &RemoteReadRequest<Block::Header>, remote_proof: StorageProof) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>

fn check_read_child_proof( &self, request: &RemoteReadChildRequest<Block::Header>, remote_proof: StorageProof) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>

fn check_execution_proof( &self, request: &RemoteCallRequest<Block::Header>, remote_proof: StorageProof) -> ClientResult<Vec<u8>>

fn check_changes_proof( &self, request: &RemoteChangesRequest<Block::Header>, remote_proof: ChangesProof<Block::Header>) -> ClientResult<Vec<(NumberFor<Block>, u32)>>

fn check_body_proof( &self, request: &RemoteBodyRequest<Block::Header>, body: Vec<Block::Extrinsic>) -> ClientResult<Vec<Block::Extrinsic>>

Auto Trait Implementations

impl<E, H, B, S> !RefUnwindSafe for LightDataChecker<E, H, B, S>

impl<E, H, B, S> Send for LightDataChecker<E, H, B, S> where E: Send, H: Send,

impl<E, H, B, S> Sync for LightDataChecker<E, H, B, S> where E: Sync, H: Sync,

impl<E, H, B, S> Unpin for LightDataChecker<E, H, B, S> where B: Unpin, E: Unpin, H: Unpin,

impl<E, H, B, S> !UnwindSafe for LightDataChecker<E, H, B, S>

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> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

pub fn into(self) -> U

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

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

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

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

impl<T> SaturatedConversion for T

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

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

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

type Error = Infallible

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

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

type Error = <U as TryFrom<T>>::Error

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

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

pub fn unchecked_into(self) -> T

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

pub fn unique_saturated_into(self) -> T

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

pub fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

pub fn new(
blockchain: Arc<Blockchain<S>>,
executor: E,
spawn_handle: Box<dyn SpawnNamed>
) -> Self

pub fn check_changes_proof_with_cht_size(
&self,
request: &RemoteChangesRequest<B::Header>,
remote_proof: ChangesProof<B::Header>,
cht_size: NumberFor<B>
) -> ClientResult<Vec<(NumberFor<B>, u32 )>> where
H: Hasher,
H::Out: Ord + Codec,

pub fn check_changes_tries_proof(
&self,
cht_size: NumberFor<B>,
remote_roots: &BTreeMap<NumberFor<B>, B::Hash>,
remote_roots_proof: StorageProof
) -> ClientResult<()> where
H: Hasher,
H::Out: Ord + Codec,

impl<E, Block, H, S> FetchChecker<Block> for LightDataChecker<E, H, Block, S> where
Block: BlockT,
E: CodeExecutor + Clone + 'static,
H: Hasher,
H::Out: Ord + Codec + 'static,
S: BlockchainStorage<Block>,

fn check_header_proof(
&self,
request: &RemoteHeaderRequest<Block::Header>,
remote_header: Option<Block::Header>,
remote_proof: StorageProof
) -> ClientResult<Block::Header>

fn check_read_proof(
&self,
request: &RemoteReadRequest<Block::Header>,
remote_proof: StorageProof
) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>

fn check_read_child_proof(
&self,
request: &RemoteReadChildRequest<Block::Header>,
remote_proof: StorageProof
) -> ClientResult<HashMap<Vec<u8>, Option<Vec<u8>>>>

fn check_execution_proof(
&self,
request: &RemoteCallRequest<Block::Header>,
remote_proof: StorageProof
) -> ClientResult<Vec<u8>>

fn check_changes_proof(
&self,
request: &RemoteChangesRequest<Block::Header>,
remote_proof: ChangesProof<Block::Header>
) -> ClientResult<Vec<(NumberFor<Block>, u32 )>>

fn check_body_proof(
&self,
request: &RemoteBodyRequest<Block::Header>,
body: Vec<Block::Extrinsic>
) -> ClientResult<Vec<Block::Extrinsic>>

impl<E, H, B, S> Send for LightDataChecker<E, H, B, S> where
E: Send,
H: Send,

impl<E, H, B, S> Sync for LightDataChecker<E, H, B, S> where
E: Sync,
H: Sync,

impl<E, H, B, S> Unpin for LightDataChecker<E, H, B, S> where
B: Unpin,
E: Unpin,
H: Unpin,

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, 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>,

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

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

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>,