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Merge #15305: [validation] Crash if disconnecting a block fails

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a47df13471 [qa] Test disconnect block failure -> shutdown (Suhas Daftuar)
4433ed0f73 [validation] Crash if disconnecting a block fails (Suhas Daftuar)

Pull request description:

  If we're unable to disconnect a block during normal operation, then that is a
  failure of our local system (such as disk failure) or the chain that we are on
  (eg CVE-2018-17144), but cannot be due to failure of the (more work) chain that
  we're trying to validate.

  We should abort rather than stay on a less work chain.

  Fixes #14341.

ACKs for top commit:
  practicalswift:
    utACK a47df13471
  TheBlueMatt:
    utACK a47df13471. Didn't bother to review the test in detail, it looked fine. Debated whether invalidateblock should ever crash the node, but *not* crashing in the case of hitting a pruned block (which is the only change here) is clearly better, even if there are other cases I'd argue we should crash in.
  ryanofsky:
    utACK a47df13471. Only change since last review is new comment.
  promag:
    ACK a47df1347, it takes awhile to quit (RPC connection timeouts) but that's unrelated - hope to fix that soon.
  fanquake:
    ACK a47df13471

Tree-SHA512: 4dec8cef6e7dbbe513c138fc5821a7ceab855e603ece3c16185b51a3830ab7ebbc844a28827bf64e75326f45325991dcb672f13bd7baede53304f27289c4af8d
This commit is contained in:
fanquake
2019-07-25 08:30:18 +08:00
parent d960d5ca99 a47df13471
commit d5a54ce8f0
3 changed files with 55 additions and 1 deletions
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test/functional/test_runner.py
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@@ -107,6 +107,7 @@ BASE_SCRIPTS = [
'feature_bip68_sequence.py',
'p2p_feefilter.py',
'feature_reindex.py',
'feature_abortnode.py',
# vv Tests less than 30s vv
'wallet_keypool_topup.py',
'interface_zmq.py',