eth: quick canceling block inserting when debug_setHead is invoked #32067
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Signed-off-by: jsvisa <[email protected]>
Signed-off-by: jsvisa <[email protected]>
jsvisa
requested review from
fjl,
s1na,
lightclient and
rjl493456442
as code owners
rjl493456442
approved these changes
Jun 23, 2025
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If Geth is engaged in a long-run block synchronization, such as a full syncing over a large number of blocks, invoking
debug_setHeadwill causedownloader.Cancelto wait for all fetchers to stop first.This can be time-consuming, particularly for the block processing thread.
To address this, we manually call
blockchain.StopInsertto interrupt the blocking processing thread and allow it to exit immediately, and after that callblockchain.ResumeInsertto resume the block downloading process.Additionally, we add a sanity check for the input block number of
debug_setHeadto ensure its validity.