reth_blockchain_tree::block_buffer

Struct BlockBuffer

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pub struct BlockBuffer { /* private fields */ }
Expand description

Contains the tree of pending blocks that cannot be executed due to missing parent. It allows to store unconnected blocks for potential future inclusion.

The buffer has three main functionalities:

Note: Buffer is limited by number of blocks that it can contain and eviction of the block is done by last recently used block.

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impl BlockBuffer

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pub fn new(limit: u32) -> Self

Create new buffer with max limit of blocks

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pub const fn blocks(&self) -> &HashMap<BlockHash, SealedBlockWithSenders>

Return reference to buffered blocks

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pub fn block(&self, hash: &BlockHash) -> Option<&SealedBlockWithSenders>

Return reference to the requested block.

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pub fn lowest_ancestor( &self, hash: &BlockHash, ) -> Option<&SealedBlockWithSenders>

Return a reference to the lowest ancestor of the given block in the buffer.

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pub fn insert_block(&mut self, block: SealedBlockWithSenders)

Insert a correct block inside the buffer.

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pub fn remove_block_with_children( &mut self, parent_hash: &BlockHash, ) -> Vec<SealedBlockWithSenders>

Removes the given block from the buffer and also all the children of the block.

This is used to get all the blocks that are dependent on the block that is included.

Note: that order of returned blocks is important and the blocks with lower block number in the chain will come first so that they can be executed in the correct order.

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pub fn remove_old_blocks(&mut self, block_number: BlockNumber)

Discard all blocks that precede block number from the buffer.

Trait Implementations§

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impl Debug for BlockBuffer

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

Formats the value using the given formatter. Read more

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Size: 224 bytes