Struct sc_rpc::chain::Chain

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pub struct Chain<Block: BlockT, Client> { /* private fields */ }

Expand description

Chain API with subscriptions support.

Trait Implementations

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impl<Block, Client> ChainApi<<<Block as Block>::Header as Header>::Number, <Block as Block>::Hash, <Block as Block>::Header, SignedBlock<Block>> for Chain<Block, Client> where
Block: BlockT + 'static,
Client: HeaderBackend<Block> + BlockchainEvents<Block> + 'static,

type Metadata = Metadata

RPC metadata

Get header of a relay chain block.

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fn block(
&self,
hash: Option<Block::Hash>
) -> FutureResult<Option<SignedBlock<Block>>>

Get header and body of a relay chain block.

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fn block_hash(
&self,
number: Option<ListOrValue<NumberOrHex>>
) -> Result<ListOrValue<Option<Block::Hash>>>

Get hash of the n-th block in the canon chain. Read more

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fn finalized_head(&self) -> Result<Block::Hash>

Get hash of the last finalized block in the canon chain.

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fn subscribe_all_heads(
 &self,
 metadata: Self::Metadata,
 subscriber: Subscriber<Block::Header>
)

All head subscription

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fn unsubscribe_all_heads(
 &self,
 metadata: Option<Self::Metadata>,
 id: SubscriptionId
) -> RpcResult<bool>

Unsubscribe from all head subscription.

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fn subscribe_new_heads(
 &self,
 metadata: Self::Metadata,
 subscriber: Subscriber<Block::Header>
)

New head subscription

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fn unsubscribe_new_heads(
 &self,
 metadata: Option<Self::Metadata>,
 id: SubscriptionId
) -> RpcResult<bool>

Unsubscribe from new head subscription.

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fn subscribe_finalized_heads(
 &self,
 metadata: Self::Metadata,
 subscriber: Subscriber<Block::Header>
)

Finalized head subscription

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fn unsubscribe_finalized_heads(
 &self,
 metadata: Option<Self::Metadata>,
 id: SubscriptionId
) -> RpcResult<bool>

Unsubscribe from finalized head subscription.

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fn to_delegate(self) -> IoDelegate<Self, Self::Metadata> where
 Number: 'static + Send + Sync,
 Hash: 'static + Send + Sync + Serialize + DeserializeOwned,
 Header: 'static + Send + Sync + Serialize,
 SignedBlock: 'static + Send + Sync + Serialize,

Create an IoDelegate, wiring rpc calls to the trait methods.

Auto Trait Implementations

impl<Block, Client> !RefUnwindSafe for Chain<Block, Client>

impl<Block, Client> Send for Chain<Block, Client>

impl<Block, Client> Sync for Chain<Block, Client>

impl<Block, Client> Unpin for Chain<Block, Client>

impl<Block, Client> !UnwindSafe for Chain<Block, Client>

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_rpc::chain::Chain

Trait Implementations

impl<Block, Client> ChainApi<<<Block as Block>::Header as Header>::Number, <Block as Block>::Hash, <Block as Block>::Header, SignedBlock<Block>> for Chain<Block, Client> where Block: BlockT + 'static, Client: HeaderBackend<Block> + BlockchainEvents<Block> + 'static,

type Metadata = Metadata

fn header( &self, hash: Option<Block::Hash>) -> FutureResult<Option<Block::Header>>

fn block( &self, hash: Option<Block::Hash>) -> FutureResult<Option<SignedBlock<Block>>>

fn block_hash( &self, number: Option<ListOrValue<NumberOrHex>>) -> Result<ListOrValue<Option<Block::Hash>>>

fn finalized_head(&self) -> Result<Block::Hash>

fn subscribe_all_heads( &self, metadata: Self::Metadata, subscriber: Subscriber<Block::Header>)

fn unsubscribe_all_heads( &self, metadata: Option<Self::Metadata>, id: SubscriptionId) -> RpcResult<bool>

fn subscribe_new_heads( &self, metadata: Self::Metadata, subscriber: Subscriber<Block::Header>)

fn unsubscribe_new_heads( &self, metadata: Option<Self::Metadata>, id: SubscriptionId) -> RpcResult<bool>

fn subscribe_finalized_heads( &self, metadata: Self::Metadata, subscriber: Subscriber<Block::Header>)

fn unsubscribe_finalized_heads( &self, metadata: Option<Self::Metadata>, id: SubscriptionId) -> RpcResult<bool>

fn to_delegate(self) -> IoDelegate<Self, Self::Metadata> where Number: 'static + Send + Sync, Hash: 'static + Send + Sync + Serialize + DeserializeOwned, Header: 'static + Send + Sync + Serialize, SignedBlock: 'static + Send + Sync + Serialize,

Auto Trait Implementations

impl<Block, Client> !RefUnwindSafe for Chain<Block, Client>

impl<Block, Client> Send for Chain<Block, Client>

impl<Block, Client> Sync for Chain<Block, Client>

impl<Block, Client> Unpin for Chain<Block, Client>

impl<Block, Client> !UnwindSafe for Chain<Block, Client>

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>

impl<Block, Client> ChainApi<<<Block as Block>::Header as Header>::Number, <Block as Block>::Hash, <Block as Block>::Header, SignedBlock<Block>> for Chain<Block, Client> where
Block: BlockT + 'static,
Client: HeaderBackend<Block> + BlockchainEvents<Block> + 'static,

fn header(
&self,
hash: Option<Block::Hash>
) -> FutureResult<Option<Block::Header>>

fn block(
&self,
hash: Option<Block::Hash>
) -> FutureResult<Option<SignedBlock<Block>>>

fn block_hash(
&self,
number: Option<ListOrValue<NumberOrHex>>
) -> Result<ListOrValue<Option<Block::Hash>>>

fn subscribe_all_heads(
&self,
metadata: Self::Metadata,
subscriber: Subscriber<Block::Header>
)

fn unsubscribe_all_heads(
&self,
metadata: Option<Self::Metadata>,
id: SubscriptionId
) -> RpcResult<bool>

fn subscribe_new_heads(
&self,
metadata: Self::Metadata,
subscriber: Subscriber<Block::Header>
)

fn unsubscribe_new_heads(
&self,
metadata: Option<Self::Metadata>,
id: SubscriptionId
) -> RpcResult<bool>

fn subscribe_finalized_heads(
&self,
metadata: Self::Metadata,
subscriber: Subscriber<Block::Header>
)

fn unsubscribe_finalized_heads(
&self,
metadata: Option<Self::Metadata>,
id: SubscriptionId
) -> RpcResult<bool>

fn to_delegate(self) -> IoDelegate<Self, Self::Metadata> where
Number: 'static + Send + Sync,
Hash: 'static + Send + Sync + Serialize + DeserializeOwned,
Header: 'static + Send + Sync + Serialize,
SignedBlock: 'static + Send + Sync + Serialize,

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>,