pub struct MemoryNetwork<K: SignatureKey> {
    inner: Arc<MemoryNetworkInner<K>>,
}
Expand description

In memory only network simulator.

This provides an in memory simulation of a networking implementation, allowing nodes running on the same machine to mock networking while testing other functionality.

Under the hood, this simply maintains mpmc channels to every other MemoryNetwork insane of the same group.

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§inner: Arc<MemoryNetworkInner<K>>

The actual internal state

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impl<K: SignatureKey> MemoryNetwork<K>

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pub fn new( pub_key: K, master_map: &Arc<MasterMap<K>>, reliability_config: Option<Box<dyn NetworkReliability>> ) -> MemoryNetwork<K>

Creates a new MemoryNetwork and hooks it up to the group through the provided MasterMap

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async fn input(&self, message: Vec<u8>) -> Result<(), SendError<Vec<u8>>>

Send a Vec<u8> message to the inner input

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impl<K: Clone + SignatureKey> Clone for MemoryNetwork<K>

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fn clone(&self) -> MemoryNetwork<K>

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<K: SignatureKey + 'static> ConnectedNetwork<K> for MemoryNetwork<K>

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fn recv_msgs<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<u8>>, NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Receive one or many messages from the underlying network.

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If the other side of the channel is closed

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fn wait_for_ready<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Blocks until the network is successfully initialized
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fn pause(&self)

Pauses the underlying network
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fn resume(&self)

Resumes the underlying network
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fn shut_down<'a, 'b>(&'a self) -> BoxSyncFuture<'b, ()>
where Self: 'b, 'a: 'b,

Blocks until the network is shut down
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fn broadcast_message<'life0, 'async_trait>( &'life0 self, message: Vec<u8>, recipients: BTreeSet<K>, _broadcast_delay: BroadcastDelay ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

broadcast message to some subset of nodes blocking
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fn da_broadcast_message<'life0, 'async_trait>( &'life0 self, message: Vec<u8>, recipients: BTreeSet<K>, broadcast_delay: BroadcastDelay ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

broadcast a message only to a DA committee blocking
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fn direct_message<'life0, 'async_trait>( &'life0 self, message: Vec<u8>, recipient: K ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Sends a direct message to a specific node blocking
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fn vid_broadcast_message<'life0, 'async_trait>( &'life0 self, messages: HashMap<K, Vec<u8>> ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

send messages with vid shares to its recipients blocking
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fn request_data<'life0, 'life1, 'async_trait, TYPES>( &'life0 self, _request: Vec<u8>, _recipient: &'life1 K ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, NetworkError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, TYPES: 'async_trait + NodeType, Self: 'async_trait,

Ask request the network for some data. Returns the request ID for that data, The ID returned can be used for cancelling the request
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fn spawn_request_receiver_task<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Option<Receiver<(Vec<u8>, ResponseChannel<Vec<u8>>)>>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Spawn a request task in the given network layer. If it supports Request and responses it will return the receiving end of a channel. Requests the network receives will be sent over this channel along with a return channel to send the response back to. Read more
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fn queue_node_lookup( &self, _view_number: ViewNumber, _pk: K ) -> Result<(), TrySendError<Option<(ViewNumber, K)>>>

queues lookup of a node Read more
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fn update_view<'a, 'life0, 'async_trait, TYPES>( &'a self, _view: u64, _membership: &'life0 <TYPES as NodeType>::Membership ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>
where 'a: 'async_trait, 'life0: 'async_trait, TYPES: NodeType<SignatureKey = K> + 'a + 'async_trait, Self: 'async_trait,

handles view update
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fn is_primary_down(&self) -> bool

Is primary network down? Makes sense only for combined network
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impl<K: SignatureKey> Debug for MemoryNetwork<K>

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

Formats the value using the given formatter. Read more
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impl<TYPES: NodeType> TestableNetworkingImplementation<TYPES> for MemoryNetwork<TYPES::SignatureKey>

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fn generator( _expected_node_count: usize, _num_bootstrap: usize, _network_id: usize, _da_committee_size: usize, _is_da: bool, reliability_config: Option<Box<dyn NetworkReliability>>, _secondary_network_delay: Duration ) -> AsyncGenerator<Arc<Self>>

generates a network given an expected node count
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fn in_flight_message_count(&self) -> Option<usize>

Get the number of messages in-flight. Read more

Auto Trait Implementations§

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impl<K> Freeze for MemoryNetwork<K>

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impl<K> !RefUnwindSafe for MemoryNetwork<K>

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impl<K> Send for MemoryNetwork<K>

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impl<K> Sync for MemoryNetwork<K>

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impl<K> Unpin for MemoryNetwork<K>

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impl<K> !UnwindSafe for MemoryNetwork<K>

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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Converts some archived metadata to the pointer metadata for itself.
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Causes self to use its LowerHex implementation when Debug-formatted.
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Set the foreground color generically Read more
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Set the background color generically. Read more
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fn black<'a>(&'a self) -> FgColorDisplay<'a, Black, Self>

Change the foreground color to black
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fn on_black<'a>(&'a self) -> BgColorDisplay<'a, Black, Self>

Change the background color to black
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fn red<'a>(&'a self) -> FgColorDisplay<'a, Red, Self>

Change the foreground color to red
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Change the background color to red
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fn green<'a>(&'a self) -> FgColorDisplay<'a, Green, Self>

Change the foreground color to green
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Change the background color to green
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Change the foreground color to yellow
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Change the background color to yellow
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Change the foreground color to blue
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Change the background color to blue
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fn magenta<'a>(&'a self) -> FgColorDisplay<'a, Magenta, Self>

Change the foreground color to magenta
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Change the background color to magenta
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fn purple<'a>(&'a self) -> FgColorDisplay<'a, Magenta, Self>

Change the foreground color to purple
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Change the background color to purple
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Change the foreground color to cyan
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Change the background color to cyan
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Change the foreground color to white
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Change the background color to white
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Change the foreground color to the terminal default
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Change the background color to the terminal default
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Change the foreground color to bright black
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Change the background color to bright black
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fn bright_red<'a>(&'a self) -> FgColorDisplay<'a, BrightRed, Self>

Change the foreground color to bright red
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fn on_bright_red<'a>(&'a self) -> BgColorDisplay<'a, BrightRed, Self>

Change the background color to bright red
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fn bright_green<'a>(&'a self) -> FgColorDisplay<'a, BrightGreen, Self>

Change the foreground color to bright green
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fn on_bright_green<'a>(&'a self) -> BgColorDisplay<'a, BrightGreen, Self>

Change the background color to bright green
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fn bright_yellow<'a>(&'a self) -> FgColorDisplay<'a, BrightYellow, Self>

Change the foreground color to bright yellow
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fn on_bright_yellow<'a>(&'a self) -> BgColorDisplay<'a, BrightYellow, Self>

Change the background color to bright yellow
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fn bright_blue<'a>(&'a self) -> FgColorDisplay<'a, BrightBlue, Self>

Change the foreground color to bright blue
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fn on_bright_blue<'a>(&'a self) -> BgColorDisplay<'a, BrightBlue, Self>

Change the background color to bright blue
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fn bright_magenta<'a>(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>

Change the foreground color to bright magenta
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fn on_bright_magenta<'a>(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>

Change the background color to bright magenta
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fn bright_purple<'a>(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>

Change the foreground color to bright purple
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fn on_bright_purple<'a>(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>

Change the background color to bright purple
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fn bright_cyan<'a>(&'a self) -> FgColorDisplay<'a, BrightCyan, Self>

Change the foreground color to bright cyan
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fn on_bright_cyan<'a>(&'a self) -> BgColorDisplay<'a, BrightCyan, Self>

Change the background color to bright cyan
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fn bright_white<'a>(&'a self) -> FgColorDisplay<'a, BrightWhite, Self>

Change the foreground color to bright white
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fn on_bright_white<'a>(&'a self) -> BgColorDisplay<'a, BrightWhite, Self>

Change the background color to bright white
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fn bold<'a>(&'a self) -> BoldDisplay<'a, Self>

Make the text bold
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fn dimmed<'a>(&'a self) -> DimDisplay<'a, Self>

Make the text dim
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fn italic<'a>(&'a self) -> ItalicDisplay<'a, Self>

Make the text italicized
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fn underline<'a>(&'a self) -> UnderlineDisplay<'a, Self>

Make the text italicized
Make the text blink
Make the text blink (but fast!)
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fn reversed<'a>(&'a self) -> ReversedDisplay<'a, Self>

Swap the foreground and background colors
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fn hidden<'a>(&'a self) -> HiddenDisplay<'a, Self>

Hide the text
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fn strikethrough<'a>(&'a self) -> StrikeThroughDisplay<'a, Self>

Cross out the text
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fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self>
where Color: DynColor,

Set the foreground color at runtime. Only use if you do not know which color will be used at compile-time. If the color is constant, use either OwoColorize::fg or a color-specific method, such as OwoColorize::green, Read more
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fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self>
where Color: DynColor,

Set the background color at runtime. Only use if you do not know what color to use at compile-time. If the color is constant, use either OwoColorize::bg or a color-specific method, such as OwoColorize::on_yellow, Read more
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fn fg_rgb<const R: u8, const G: u8, const B: u8>( &self ) -> FgColorDisplay<'_, CustomColor<R, G, B>, Self>

Set the foreground color to a specific RGB value.
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Set the background color to a specific RGB value.
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fn truecolor(&self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'_, Rgb, Self>

Sets the foreground color to an RGB value.
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Sets the background color to an RGB value.
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fn style(&self, style: Style) -> Styled<&Self>

Apply a runtime-determined style
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Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for 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