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btcutil: reuse serialized tx during TxHash #2023

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btcutil: reuse serialized tx during TxHash #2023

wants to merge 1 commit into from

Commits on Dec 21, 2023

  1. btcutil: reuse serialized tx during TxHash 

    btcutil.Block caches the serialized raw bytes of the block during ibd.
This serialized block bytes includes the serialized tx. The current tx
hash generation will re-serialized the de-serialized tx to create the
raw bytes and it'll only then hash that.

This commit changes the code so that the re-serialization never happens,
saving tons of cpu and memory overhead.
    @kcalvinalvin
    kcalvinalvin committed Dec 21, 2023
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