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spv: Move getheaders stage to global syncer instead of per-peer #2300

Merged
merged 2 commits into from
Nov 17, 2023
Merged

spv: Move getheaders stage to global syncer instead of per-peer #2300

merged 2 commits into from
Nov 17, 2023

Commits on Nov 17, 2023

  1. spv: Fetch headers in syncer instead of peer startup 

    This moves the fetch headers and cfilters from the peer startup to the
syncer startup.

This avoids wasting duplicate effort for every peer. In the future, this
will allow using multiple peers to fetch headers and cfilters from, as
well as allowing asynchronous fetching.
    @matheusd
    matheusd committed Nov 17, 2023
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  2. spv: Drop syncer-global block locators 

    The locators are now only needed during the initial getHeaders sync
stage, therefore they are not needed in the global syncer struct.

Since they are accessed only from a single goroutine now, the mutex is
also unneeded.
    @matheusd
    matheusd committed Nov 17, 2023
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