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Andrew Groot
15 lines
992 B
Markdown
15 lines
992 B
Markdown
# Response: Xthin Block ("xthinblock")
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This message delivers an `xthinblock` to the remote peer.
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The `xthinblock` starts with the block header, followed by the truncated hashes of all the transactions in the block.
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The transaction hashes are truncated to the first 64 bits and are in the same order as they are in the actual block.
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All the transactions that are in the block, but not matched by the Bloom filter included in the previous [`get_xthin`](get_xthin) message should be appended, which should include at least the coinbase transaction.
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## Format
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| Field | Length | Format | Description |
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|--|--|--|--|
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| Block header | 80 bytes | [block header](/protocol/blockchain/block/block-header) | The header of the block transmitted.|
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| Transaction hashes | # of tx * 8 bytes | vector | The truncated hashes of all the transactions included in the block.|
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| Missing transactions | variable | vector | Transactions that are included in the blocks but are not matched by the Bloom filter.|
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