Files
Ava Chow d907d65acd Merge bitcoin/bitcoin#29770: index: Check all necessary block data is available before starting to sync
fd06157d14 test: Add coverage for restarted node without any block sync (Fabian Jahr)
3d7ab7ecb7 rpc, test: Address feedback from #29668 (Fabian Jahr)
312919c9dd test: Indices can not start based on block data without undo data (Fabian Jahr)
a9a3b29dd6 index: Check availability of undo data for indices (Fabian Jahr)
881ab4fc82 support multiple block status checks in CheckBlockDataAvailability (furszy)

Pull request description:

  Currently, we check that `BLOCK_HAVE_DATA` is available for all blocks an index needs to sync during startup. However, for `coinstatsindex` and `blockfilterindex` we also need the undo data for these blocks. If that data is missing in the blocks, we are currently still starting to sync each of these indices and then crash later when we encounter the missing data.

  This PR adds explicit knowledge of which block data is needed for each index and then checks its availability during startup before initializing the sync process on them.

  This also addresses a few open comments from #29668 in the last commit.

ACKs for top commit:
  achow101:
    ACK fd06157d14
  furszy:
    utACK fd06157d14
  sedited:
    Re-ACK fd06157d14

Tree-SHA512: e2ed81c93372b02daa8ddf2819df4164f96d92de05b1d48855410ecac78d5fcd9612d7f0e63a9d57d7e75a0b46e1bea278e43ea87f2693af0220d1f9c600e416
2026-02-20 15:58:48 -08:00
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