Struct sp_core::offchain::LimitedExternalities

source · [−]

pub struct LimitedExternalities<T> { /* private fields */ }

Expand description

An *Externalities implementation with limited capabilities.

Implementations

source

impl<T> LimitedExternalities<T>

source

pub fn new(capabilities: Capabilities, externalities: T) -> Self

Create new externalities limited to given capabilities.

Trait Implementations

source

impl<T: DbExternalities> DbExternalities for LimitedExternalities<T>

source

fn local_storage_set(&mut self, kind: StorageKind, key: &[u8 ], value: &[u8 ])

Sets a value in the local storage. Read more

source

fn local_storage_clear(&mut self, kind: StorageKind, key: &[u8 ])

Removes a value in the local storage. Read more

source

fn local_storage_compare_and_set(
 &mut self,
 kind: StorageKind,
 key: &[u8 ],
 old_value: Option<&[u8 ]>,
 new_value: &[u8 ]
) -> bool

Sets a value in the local storage if it matches current value. Read more

source

fn local_storage_get(
 &mut self,
 kind: StorageKind,
 key: &[u8 ]
) -> Option<Vec<u8>>

Gets a value from the local storage. Read more

source

impl<T: Externalities> Externalities for LimitedExternalities<T>

source

fn is_validator(&self) -> bool

Returns if the local node is a potential validator. Read more

source

fn network_state(&self) -> Result<OpaqueNetworkState, ()>

Returns information about the local node’s network state.

source

fn timestamp(&mut self) -> Timestamp

Returns current UNIX timestamp (in millis)

source

fn sleep_until(&mut self, deadline: Timestamp)

Pause the execution until deadline is reached.

source

fn random_seed(&mut self) -> [u8 ; 32]

Returns a random seed. Read more

source

fn http_request_start(
 &mut self,
 method: &str,
 uri: &str,
 meta: &[u8 ]
) -> Result<HttpRequestId, ()>

Initiates a http request given HTTP verb and the URL. Read more

source

fn http_request_add_header(
 &mut self,
 request_id: HttpRequestId,
 name: &str,
 value: &str
) -> Result<(), ()>

Append header to the request. Read more

source

fn http_request_write_body(
 &mut self,
 request_id: HttpRequestId,
 chunk: &[u8 ],
 deadline: Option<Timestamp>
) -> Result<(), HttpError>

Write a chunk of request body. Read more

source

fn http_response_wait(
 &mut self,
 ids: &[HttpRequestId ],
 deadline: Option<Timestamp>
) -> Vec<HttpRequestStatus>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Block and wait for the responses for given requests. Read more

source

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

Read all response headers. Read more

source

fn http_response_read_body(
 &mut self,
 request_id: HttpRequestId,
 buffer: &mut [u8 ],
 deadline: Option<Timestamp>
) -> Result<usize, HttpError>

Read a chunk of body response to given buffer. Read more

source

fn set_authorized_nodes(
 &mut self,
 nodes: Vec<OpaquePeerId>,
 authorized_only: bool
)

Set the authorized nodes from runtime. Read more

Auto Trait Implementations

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

impl<T> Send for LimitedExternalities<T> where
T: Send,

impl<T> Sync for LimitedExternalities<T> where
T: Sync,

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

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

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> Downcast for T where
T: Any,

source

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

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

source

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

source

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

source

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

source

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

source

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

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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

Performs the conversion.

source

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

source

fn from_ref(outer: &Outer) -> &Self

Get a reference to the inner from the outer.

source

fn from_mut(outer: &mut Outer) -> &mut Self

Get a mutable reference to the inner from the outer.

source

impl<T> Same<T> for T

type Output = T

Should always be Self

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

fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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

source

Struct sp_core::offchain::LimitedExternalities

Implementations

impl<T> LimitedExternalities<T>

pub fn new(capabilities: Capabilities, externalities: T) -> Self

Trait Implementations

impl<T: DbExternalities> DbExternalities for LimitedExternalities<T>

fn local_storage_set(&mut self, kind: StorageKind, key: &[u8], value: &[u8])

fn local_storage_clear(&mut self, kind: StorageKind, key: &[u8])

fn local_storage_compare_and_set( &mut self, kind: StorageKind, key: &[u8], old_value: Option<&[u8]>, new_value: &[u8]) -> bool

fn local_storage_get( &mut self, kind: StorageKind, key: &[u8]) -> Option<Vec<u8>>

impl<T: Externalities> Externalities for LimitedExternalities<T>

fn is_validator(&self) -> bool

fn network_state(&self) -> Result<OpaqueNetworkState, ()>

fn timestamp(&mut self) -> Timestamp

fn sleep_until(&mut self, deadline: Timestamp)

fn random_seed(&mut self) -> [u8; 32]

fn http_request_start( &mut self, method: &str, uri: &str, meta: &[u8]) -> Result<HttpRequestId, ()>

fn http_request_add_header( &mut self, request_id: HttpRequestId, name: &str, value: &str) -> Result<(), ()>

fn http_request_write_body( &mut self, request_id: HttpRequestId, chunk: &[u8], deadline: Option<Timestamp>) -> Result<(), HttpError>

fn http_response_wait( &mut self, ids: &[HttpRequestId], deadline: Option<Timestamp>) -> Vec<HttpRequestStatus>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

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

fn http_response_read_body( &mut self, request_id: HttpRequestId, buffer: &mut [u8], deadline: Option<Timestamp>) -> Result<usize, HttpError>

fn set_authorized_nodes( &mut self, nodes: Vec<OpaquePeerId>, authorized_only: bool)

Auto Trait Implementations

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

impl<T> Send for LimitedExternalities<T> where T: Send,

impl<T> Sync for LimitedExternalities<T> where T: Sync,

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

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

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

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> 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, 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>,

fn from_ref(outer: &Outer) -> &Self

fn from_mut(outer: &mut Outer) -> &mut Self

impl<T> Same<T> for T

type Output = 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>,

fn unchecked_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<T> MaybeRefUnwindSafe for T where T: RefUnwindSafe,

fn local_storage_set(&mut self, kind: StorageKind, key: &[u8 ], value: &[u8 ])

fn local_storage_clear(&mut self, kind: StorageKind, key: &[u8 ])

fn local_storage_compare_and_set(
&mut self,
kind: StorageKind,
key: &[u8 ],
old_value: Option<&[u8 ]>,
new_value: &[u8 ]
) -> bool

fn local_storage_get(
&mut self,
kind: StorageKind,
key: &[u8 ]
) -> Option<Vec<u8>>

fn random_seed(&mut self) -> [u8 ; 32]

fn http_request_start(
&mut self,
method: &str,
uri: &str,
meta: &[u8 ]
) -> Result<HttpRequestId, ()>

fn http_request_add_header(
&mut self,
request_id: HttpRequestId,
name: &str,
value: &str
) -> Result<(), ()>

fn http_request_write_body(
&mut self,
request_id: HttpRequestId,
chunk: &[u8 ],
deadline: Option<Timestamp>
) -> Result<(), HttpError>

fn http_response_wait(
&mut self,
ids: &[HttpRequestId ],
deadline: Option<Timestamp>
) -> Vec<HttpRequestStatus>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

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

fn http_response_read_body(
&mut self,
request_id: HttpRequestId,
buffer: &mut [u8 ],
deadline: Option<Timestamp>
) -> Result<usize, HttpError>

fn set_authorized_nodes(
&mut self,
nodes: Vec<OpaquePeerId>,
authorized_only: bool
)

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

impl<T> Send for LimitedExternalities<T> where
T: Send,

impl<T> Sync for LimitedExternalities<T> where
T: Sync,

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

impl<T> UnwindSafe for LimitedExternalities<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,

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

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

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

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

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