Struct massa_async_pool::AsyncPool

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pub struct AsyncPool {
    pub config: AsyncPoolConfig,
    pub db: ShareableMassaDBController,
    pub message_cache: BTreeMap<AsyncMessageId, AsyncMessage>,
    message_id_serializer: AsyncMessageIdSerializer,
    message_serializer: AsyncMessageSerializer,
    message_id_deserializer: AsyncMessageIdDeserializer,
    message_deserializer_db: AsyncMessageDeserializer,
}
Expand description

Represents a pool of sorted messages in a deterministic way. The final asynchronous pool is attached to the output of the latest final slot within the context of massa-final-state. Nodes must bootstrap the final message pool when they join the network.

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§config: AsyncPoolConfig

Asynchronous pool configuration

§db: ShareableMassaDBController§message_cache: BTreeMap<AsyncMessageId, AsyncMessage>

Cache of final async messages.

§message_id_serializer: AsyncMessageIdSerializer§message_serializer: AsyncMessageSerializer§message_id_deserializer: AsyncMessageIdDeserializer§message_deserializer_db: AsyncMessageDeserializer

Implementations§

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impl AsyncPool

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pub fn new(config: AsyncPoolConfig, db: ShareableMassaDBController) -> AsyncPool

Creates an empty AsyncPool

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pub fn recompute_message_cache(&mut self)

Recomputes the local message_cache after bootstrap or loading the state from disk

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pub fn reset(&mut self)

Resets the pool to its initial state

USED ONLY FOR BOOTSTRAP

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pub fn apply_changes_to_batch( &mut self, changes: &AsyncPoolChanges, batch: &mut DBBatch, )

Applies pre-compiled AsyncPoolChanges to the pool without checking for overflows. This function is used when applying pre-compiled AsyncPoolChanges to an AsyncPool.

§arguments
  • changes: AsyncPoolChanges listing all asynchronous pool changes (message insertions/deletions)
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fn load_message(&self, message_id: &AsyncMessageId) -> Option<AsyncMessage>

Query a message from the database and deserialize it. This is heavy. Use the cached version whenever possible.

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pub fn fetch_messages( &self, message_ids: &[AsyncMessageId], ) -> Vec<(AsyncMessageId, Option<AsyncMessage>)>

Query a vec of messages from cache.

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pub fn is_key_value_valid( &self, serialized_key: &[u8], serialized_value: &[u8], ) -> bool

Deserializes the key and value, useful after bootstrap

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impl AsyncPool

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fn put_entry( &self, message_id: &AsyncMessageId, message: AsyncMessage, batch: &mut DBBatch, )

Add every sub-entry individually for a given entry.

§Arguments
  • message_id
  • message
  • batch: the given operation batch to update
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fn update_entry( &self, message_id: &AsyncMessageId, message_update: AsyncMessageUpdate, batch: &mut DBBatch, )

Update the ledger entry of a given address.

§Arguments
  • entry_update: a descriptor of the entry updates to be applied
  • batch: the given operation batch to update
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fn delete_entry(&self, message_id: &AsyncMessageId, batch: &mut DBBatch)

Delete every sub-entry associated to the given address.

§Arguments
  • batch: the given operation batch to update

Trait Implementations§

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impl Clone for AsyncPool

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fn clone(&self) -> AsyncPool

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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