Struct sc_rpc::state::State

source · [−]

pub struct State<Block, Client> { /* private fields */ }

Expand description

State API with subscriptions support.

Trait Implementations

source

impl<Block, Client> StateApi<<Block as Block>::Hash> for State<Block, Client> where
Block: BlockT + 'static,
Client: Send + Sync + 'static,

type Metadata = Metadata

RPC Metadata

source

fn call(
 &self,
 method: String,
 data: Bytes,
 block: Option<Block::Hash>
) -> FutureResult<Bytes>

Call a contract at a block’s state.

source

fn storage_keys(
 &self,
 key_prefix: StorageKey,
 block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>

DEPRECATED: Please use state_getKeysPaged with proper paging support. Returns the keys with prefix, leave empty to get all the keys. Read more

source

fn storage_pairs(
 &self,
 key_prefix: StorageKey,
 block: Option<Block::Hash>
) -> FutureResult<Vec<(StorageKey, StorageData )>>

Returns the keys with prefix, leave empty to get all the keys

source

fn storage_keys_paged(
 &self,
 prefix: Option<StorageKey>,
 count: u32,
 start_key: Option<StorageKey>,
 block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>

Returns the keys with prefix with pagination support. Up to count keys will be returned. If start_key is passed, return next keys in storage in lexicographic order. Read more

source

fn storage(
 &self,
 key: StorageKey,
 block: Option<Block::Hash>
) -> FutureResult<Option<StorageData>>

Returns a storage entry at a specific block’s state.

source

fn storage_hash(
 &self,
 key: StorageKey,
 block: Option<Block::Hash>
) -> FutureResult<Option<Block::Hash>>

Returns the hash of a storage entry at a block’s state.

source

fn storage_size(
 &self,
 key: StorageKey,
 block: Option<Block::Hash>
) -> FutureResult<Option<u64>>

Returns the size of a storage entry at a block’s state.

source

fn metadata(&self, block: Option<Block::Hash>) -> FutureResult<Bytes>

Returns the runtime metadata as an opaque blob.

source

fn query_storage(
 &self,
 keys: Vec<StorageKey>,
 from: Block::Hash,
 to: Option<Block::Hash>
) -> FutureResult<Vec<StorageChangeSet<Block::Hash>>>

Query historical storage entries (by key) starting from a block given as the second parameter. Read more

source

fn query_storage_at(
 &self,
 keys: Vec<StorageKey>,
 at: Option<Block::Hash>
) -> FutureResult<Vec<StorageChangeSet<Block::Hash>>>

Query storage entries (by key) starting at block hash given as the second parameter.

source

fn read_proof(
 &self,
 keys: Vec<StorageKey>,
 block: Option<Block::Hash>
) -> FutureResult<ReadProof<Block::Hash>>

Returns proof of storage entries at a specific block’s state.

source

fn subscribe_storage(
 &self,
 meta: Self::Metadata,
 subscriber: Subscriber<StorageChangeSet<Block::Hash>>,
 keys: Option<Vec<StorageKey>>
)

New storage subscription

source

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

Unsubscribe from storage subscription

source

fn runtime_version(
&self,
at: Option<Block::Hash>
) -> FutureResult<RuntimeVersion>

Get the runtime version.

source

fn subscribe_runtime_version(
 &self,
 meta: Self::Metadata,
 subscriber: Subscriber<RuntimeVersion>
)

New runtime version subscription

source

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

Unsubscribe from runtime version subscription

source

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

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

Auto Trait Implementations

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

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

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

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

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

Blanket Implementations

source

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

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

source

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

source

impl<T> CheckedConversion for T

source

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

source

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

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

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

source

impl<T> Instrument for T

source

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

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

source

fn in_current_span(self) -> Instrumented<Self>

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

source

impl<T> Instrument for T

source

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

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

source

fn in_current_span(self) -> Instrumented<Self>

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

source

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.

source

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

source

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

Get a reference to the inner from the outer.

source

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

Get a mutable reference to the inner from the outer.

source

impl<T> Pointable for T

source

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

source

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

Initializes a with the given initializer. Read more

source

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

Dereferences the given pointer. Read more

source

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

Mutably dereferences the given pointer. Read more

source

pub unsafe fn drop(ptr: usize)

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

source

impl<T> Same<T> for T

type Output = T

Should always be Self

source

impl<T> SaturatedConversion for T

source

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

source

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

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

source

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.

source

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.

source

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

source

pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

source

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

source

pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

source

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

source

fn with_current_subscriber(self) -> WithDispatch<Self>

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

Struct sc_rpc::state::State

Trait Implementations

impl<Block, Client> StateApi<<Block as Block>::Hash> for State<Block, Client> where Block: BlockT + 'static, Client: Send + Sync + 'static,

type Metadata = Metadata

fn call( &self, method: String, data: Bytes, block: Option<Block::Hash>) -> FutureResult<Bytes>

fn storage_keys( &self, key_prefix: StorageKey, block: Option<Block::Hash>) -> FutureResult<Vec<StorageKey>>

fn storage_pairs( &self, key_prefix: StorageKey, block: Option<Block::Hash>) -> FutureResult<Vec<(StorageKey, StorageData)>>

fn storage_keys_paged( &self, prefix: Option<StorageKey>, count: u32, start_key: Option<StorageKey>, block: Option<Block::Hash>) -> FutureResult<Vec<StorageKey>>

fn storage( &self, key: StorageKey, block: Option<Block::Hash>) -> FutureResult<Option<StorageData>>

fn storage_hash( &self, key: StorageKey, block: Option<Block::Hash>) -> FutureResult<Option<Block::Hash>>

fn storage_size( &self, key: StorageKey, block: Option<Block::Hash>) -> FutureResult<Option<u64>>

fn metadata(&self, block: Option<Block::Hash>) -> FutureResult<Bytes>

fn query_storage( &self, keys: Vec<StorageKey>, from: Block::Hash, to: Option<Block::Hash>) -> FutureResult<Vec<StorageChangeSet<Block::Hash>>>

fn query_storage_at( &self, keys: Vec<StorageKey>, at: Option<Block::Hash>) -> FutureResult<Vec<StorageChangeSet<Block::Hash>>>

fn read_proof( &self, keys: Vec<StorageKey>, block: Option<Block::Hash>) -> FutureResult<ReadProof<Block::Hash>>

fn subscribe_storage( &self, meta: Self::Metadata, subscriber: Subscriber<StorageChangeSet<Block::Hash>>, keys: Option<Vec<StorageKey>>)

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

fn runtime_version( &self, at: Option<Block::Hash>) -> FutureResult<RuntimeVersion>

fn subscribe_runtime_version( &self, meta: Self::Metadata, subscriber: Subscriber<RuntimeVersion>)

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

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

Auto Trait Implementations

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

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

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

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

impl<Block, Client> !UnwindSafe for State<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> StateApi<<Block as Block>::Hash> for State<Block, Client> where
Block: BlockT + 'static,
Client: Send + Sync + 'static,

fn call(
&self,
method: String,
data: Bytes,
block: Option<Block::Hash>
) -> FutureResult<Bytes>

fn storage_keys(
&self,
key_prefix: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>

fn storage_pairs(
&self,
key_prefix: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Vec<(StorageKey, StorageData )>>

fn storage_keys_paged(
&self,
prefix: Option<StorageKey>,
count: u32,
start_key: Option<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<Vec<StorageKey>>

fn storage(
&self,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<StorageData>>

fn storage_hash(
&self,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<Block::Hash>>

fn storage_size(
&self,
key: StorageKey,
block: Option<Block::Hash>
) -> FutureResult<Option<u64>>

fn query_storage(
&self,
keys: Vec<StorageKey>,
from: Block::Hash,
to: Option<Block::Hash>
) -> FutureResult<Vec<StorageChangeSet<Block::Hash>>>

fn query_storage_at(
&self,
keys: Vec<StorageKey>,
at: Option<Block::Hash>
) -> FutureResult<Vec<StorageChangeSet<Block::Hash>>>

fn read_proof(
&self,
keys: Vec<StorageKey>,
block: Option<Block::Hash>
) -> FutureResult<ReadProof<Block::Hash>>

fn subscribe_storage(
&self,
meta: Self::Metadata,
subscriber: Subscriber<StorageChangeSet<Block::Hash>>,
keys: Option<Vec<StorageKey>>
)

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

fn runtime_version(
&self,
at: Option<Block::Hash>
) -> FutureResult<RuntimeVersion>

fn subscribe_runtime_version(
&self,
meta: Self::Metadata,
subscriber: Subscriber<RuntimeVersion>
)

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

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

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>,