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Merge bitcoin/bitcoin#27189: util: Use steady clock in SeedStrengthen, FindBestImplementation, FlushStateToDisk

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fa1b4e5c32 Use steady clock in FlushStateToDisk (MarcoFalke)
1111e2f8b4 Use steady clock in SeedStrengthen and FindBestImplementation (MarcoFalke)

Pull request description:

  There may be a theoretical deadlock for the duration of the offset when the system clock is adjusted into a past time while executing `SeedStrengthen`.

  Fix this by using steady clock.

  Do the same in `FindBestImplementation`, which shouldn't be affected, because it discards outlier measurements. However, doing the same there for consistency seems fine.

  Do the same in `FlushStateToDisk`, which should make the flushes more steady, if the system clock is adjusted by a large offset.

ACKs for top commit:
  john-moffett:
    ACK fa1b4e5c32
  willcl-ark:
    ACK fa1b4e5c3

Tree-SHA512: cc625e796b186accd53222bd64eb57d0512bc7e588312d254349b542bbc5e5daac348ff2b3b3f7dc5ae0bbbae2ec11fdbf3022cf2164211633765a4b0108e83e
This commit is contained in:
fanquake
2023-03-08 08:40:21 +01:00
parent d5e4f9a439 fa1b4e5c32
commit 2de0559f2c
6 changed files with 20 additions and 18 deletions
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2
ci/test/06_script_b.sh
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@@ -51,12 +51,14 @@ if [ "${RUN_TIDY}" = "true" ]; then
" src/node/chainstate.cpp"\
" src/node/chainstatemanager_args.cpp"\
" src/node/mempool_args.cpp"\
" src/node/minisketchwrapper.cpp"\
" src/node/utxo_snapshot.cpp"\
" src/node/validation_cache_args.cpp"\
" src/policy/feerate.cpp"\
" src/policy/packages.cpp"\
" src/policy/settings.cpp"\
" src/primitives/transaction.cpp"\
" src/random.cpp"\
" src/rpc/fees.cpp"\
" src/rpc/signmessage.cpp"\
" src/test/fuzz/txorphan.cpp"\