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ActiveState

zebrad::components::mempool

Enum ActiveState 

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enum ActiveState {
    Disabled,
    Enabled {
        storage: Storage,
        tx_downloads: Pin<Box<Downloads<Timeout<Buffer<BoxService<Request, Response, BoxError>, Request>>, Timeout<Buffer<BoxService<Request, Response, TransactionError>, Request>>, Buffer<BoxService<Request, Response, BoxError>, Request>>>>,
        last_seen_tip_hash: Hash,
    },
}
Expand description

The state of the mempool.

Indicates whether it is enabled or disabled and, if enabled, contains the necessary data to run it.

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Disabled

The Mempool is disabled.

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Enabled

The Mempool is enabled.

Fields

§storage: Storage

The Mempool storage itself.

§Correctness

Only components internal to the Mempool struct are allowed to inject transactions into storage, as transactions must be verified beforehand.

§tx_downloads: Pin<Box<Downloads<Timeout<Buffer<BoxService<Request, Response, BoxError>, Request>>, Timeout<Buffer<BoxService<Request, Response, TransactionError>, Request>>, Buffer<BoxService<Request, Response, BoxError>, Request>>>>

The transaction download and verify stream.

§last_seen_tip_hash: Hash

Last seen chain tip hash that mempool transactions have been verified against.

In some tests, this is initialized to the latest chain tip, then updated in poll_ready() before each request.

Implementations§

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impl ActiveState

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fn take(&mut self) -> Self

Returns the current state, leaving Self::Disabled in its place.

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fn transaction_retry_requests(&self) -> Vec<Gossip>

Returns a list of requests that will retry every stored and pending transaction.

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fn queued_transaction_count(&self) -> usize

Returns the number of pending transactions waiting for download or verify, or zero if the mempool is disabled.

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fn transaction_count(&self) -> usize

Returns the number of transactions in storage, or zero if the mempool is disabled.

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fn total_cost(&self) -> u64

Returns the cost of the transactions in the mempool, according to ZIP-401. Returns zero if the mempool is disabled.

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pub fn total_serialized_size(&self) -> usize

Returns the total serialized size of the verified transactions in the set, or zero if the mempool is disabled.

See Storage::total_serialized_size() for details.

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fn rejected_transaction_count(&mut self) -> usize

Returns the number of rejected transaction hashes in storage, or zero if the mempool is disabled.

Trait Implementations§

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impl Default for ActiveState

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fn default() -> ActiveState

Returns the “default value” for a type. Read more

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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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Change the foreground color to bright red
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Change the background color to bright red
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Change the foreground color to bright green
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Change the background color to bright green
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Change the foreground color to bright yellow
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Change the background color to bright yellow
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Change the foreground color to bright blue
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Change the background color to bright blue
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Change the foreground color to bright magenta
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Change the background color to bright magenta
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Change the foreground color to bright purple
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Change the background color to bright purple
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Change the foreground color to bright cyan
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Make the text bold
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Make the text dim
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Size: 664 bytes

Size for each variant:

  • Disabled: 0 bytes
  • Enabled: 664 bytes