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720d9e8fa [Wallet] always show help-line of wallet encryption calls (Jonas Schnelli)
Pull request description:
We do currently show/hide the wallet encryption RPC calls from the help if the current wallet.
In case of an encrypted wallet, `encryptwallet` is hidden and `walletpassphrasechange`, `walletpassphrasechange` and `walletlock` do appear in the help.
This is no longer ideal in case of multiwallet due to the fact that one may want help infos in order to target a specific wallet.
IMO its preferable to have a static help screen (show everything always). The currently show/hidden calls do handle the possible invalid encryption-state fine.
Fixes #11588
Tree-SHA512: 513fecd15248a31361f5143685e8cdeb63dfd3fa7120828917e1db54d936dc3db60d48ce46efa5c3a563a48157fe962689879856eeeed53f904686b12aec204e
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5d465e396 Ensure backupwallet fails when attempting to backup to source file (Tomas van der Wansem)
Pull request description:
Previous behaviour was to destroy the wallet (to zero-length)
This fixes #11375
Tree-SHA512: bfd1738659b15e3f23b6bbdf55ec12269c62c820bf701daec19500b52bd5845bb5516733c6f76f36197eb155182a8a35dc239ad4de2ef1e59bbb0f124a455759
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block (more effeciently)
f3d4adf Make p2p-acceptablock not an extended test (Matt Corallo)
00dcda6 [qa] test that invalid blocks on an invalid chain get a disconnect (Matt Corallo)
015a525 Reject headers building on invalid chains by tracking invalidity (Matt Corallo)
932f118 Accept unrequested blocks with work equal to our tip (Matt Corallo)
3d9c70c Stop always storing blocks from whitelisted peers (Matt Corallo)
3b4ac43 Rewrite p2p-acceptblock in preparation for slight behavior changes (Matt Corallo)
Pull request description:
@sdaftuar pointed out that the version in #11487 was somewhat DoS-able as someone could feed you a valid chain that forked off the the last checkpoint block and force you to do lots of work just walking backwards across blocks for each new block they gave you. We came up with a few proposals but settled on the one implemented here as likely the simplest without obvious DoS issues. It uses our existing on-load mapBlockIndex walk to make sure everything that descends from an invalid block is marked as such, and then simply caches blocks which we attempted to connect but which were found to be invalid. To avoid DoS issues during IBD, this will need to depend on #11458.
Includes tests from #11487.
Tree-SHA512: 46aff8332908e122dae72ceb5fe8cd241902c2281a87f58a5fb486bf69d46458d84a096fdcb5f3e8e07fbcf7466232b10c429f4d67855425f11b38ac0bf612e1
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replace with return false
b296bf1 Init: Remove redundant exit(EXIT_FAILURE) instances and replace with return false (donaloconnor)
Pull request description:
While reviewing the bitcoin code I noticed that there are a few exit(EXIT_FAILURE) at various places in the AppInit function.
This function returns to main() which will return/exit with EXIT_FAILURE so returning false instead of an explicit exit(EXIT_FAILURE) seems to be cleaner.
This PR attempts to make things a bit more consistent.
There is a subtle difference between exit() and return from main in that the exit() will not clean up any local vars but I don't think this makes a difference in this case. Using exit() might even lead to bugs in the future where the dtor of local objects are expected to be called.
Tree-SHA512: 7d104c3a752b4e7d7bc2382ef7e62543462988f1bbf13dd4077fbeff5399729b76c71a4352556f188b8d306604232477466f5bb827b58a6f3f6273f2370e1faa
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f927ee1 Fixed a couple small grammatical errors. (Christian Gentry)
Pull request description:
1. "If a pull request is not to be considered for merging (yet), please
prefix the ..."
2. If a particular commit references another issue, please add the reference. For
example: `refs #1234` or `fixes #4321`.
Tree-SHA512: b2ed11a235800a6b8e9450937352954a2222eb6f08f9556c8f298fd3d64d18e731397b46f3141eab01e0196f53fa3a9d84fb707a1e7691a63dd146b3c5298fe5
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659b206 Make listsinceblock refuse unknown block hash (Russell Yanofsky)
Pull request description:
Change suggested by @theuni who noticed listsinceblock would ignore invalid block hashes causing it to return a completely unfiltered list of transactions.
Tree-SHA512: 3c8fb160265780d1334e856e853ab48e2e18372b8f1fc71ae480c3f45317048cc1fee0055d5c58031981a91b9c2bdbeb8e49a889d04ecba61729ce8109f2ce3f
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60b98f8 [Util] Update tinyformat.h (fanquake)
Pull request description:
Updates `tinyformat.h` to commit c42f/tinyformat@689695c upstream. Including:
https://github.com/c42f/tinyformat/commit/8a2812d8480bfb66923eea0bb5cdda79fe4f17ba
https://github.com/c42f/tinyformat/commit/5d9e05a3479d1b2ec6a4602fd797f0ec26440db2
https://github.com/c42f/tinyformat/commit/48e2e48789907f80a7aec24a3f1d69196b78ed43
@achow101 mentioned that since upgrading to Ubuntu 17.10 (GCC 7), tinyformat had been throwing lots of -Wimplicit-fallthrough warnings. However fallthrough warnings should have been silenced by #10489. cc @theuni.
The upstream commit to fix fallthrough warnings is in this PR https://github.com/c42f/tinyformat/pull/39.
The last time tinyformat.h was updated in this repo was in #8274.
Tree-SHA512: a51bd30544693550e08148daf5d244e3a3a410caff7897351eb9cd28f661dc85e193e045bb86068ee4006b2f89a7233b7573b8c50d93d2a9a15a11386fdcc605
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9d30f54 [Docs] Update OpenBSD Build Instructions for OpenBSD 6.2 (fanquake)
Pull request description:
This updates the OpenBSD build docs to reflect building [master](8ddf60db7ad636b6a31b590251c671ded635fa1d) on a OpenBSD 6.2 VM (using VirtualBox 5.1.28 r117968 on macOS 10.12.6).
Versions of installed packages were:
```
gmake 4.2.1
g++ 4.9.4
git 2.12.2
libevent 2.0.22
libtool 2.4.2
autoconf 2.69p2
automake 1.15p0
python 3.6.0
boost 1.58.0p3
llvm 4.0.0p2
```
The boost package installed via pkg_add now seems to work correctly. So we shouldn't require manual building + patching.
I also wasn't required to make adjustments to any resource limits.
Building with g++ and Clang was successful, using:
```
./configure --disable-wallet --with-gui=no CC=egcc CXX=eg++ CPP=ecpp
```
and
```
./configure --disable-wallet --with-gui=no CC=clang CXX=clang++
```
Running ``` make check ``` worked for ```test/test_bitcoin``` but ```test/util/bitcoin-util-test.py``` failed with:
```
Running test/util/bitcoin-util-test.py...
../test/util/bitcoin-util-test.py
env: python3: No such file or directory
```
So that seems like a configuration issue, Python 3.6 is installed.
Still todo:
- [ ] Check if a manual installation of Berkeley DB is required
- [x] Fix running ```test/util/bitcoin-util-test.py```
- [x] Have someone else verify building
cc @laanwj
Tree-SHA512: 34b176de4865b36dab9d66e74a15c37152e4b6c9784152c30dabbb515d6d9ae9cdbdc7a7b4d777876f91269a6a78cc277ec87775fc6c17dd509f7cf46e89a2b3
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This tracks the set of all known invalid-themselves blocks (ie
blocks which we attempted to connect but which were found to be
invalid). This is used to cheaply check if new headers build on an
invalid chain.
While we're at it we also resolve an edge-case in invalidateblock
on pruned nodes which results in them needing a reindex if they
fail to reorg.
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This is a simple change that makes our accept requirements the
same as our request requirements, (ever so slightly) further
decoupling our consensus logic from our FindNextBlocksToDownload
logic in net_processing.
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There is no reason to wish to store blocks on disk always just
because a peer is whitelisted. This appears to be a historical
quirk to avoid breaking things when the accept limits were added.
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Removes checking whitelisted behavior (which will be removed, the
difference in behavior here makes little sense) and no longer
requires that blocks at the same work as our tip be dropped if not
requested (in part because we *do* request those blocks).
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2530bf2 net: Add missing lock in ProcessHeadersMessage(...) (practicalswift)
Pull request description:
Add missing lock in `ProcessHeadersMessage(...)`.
Reading the variable `mapBlockIndex` requires holding the mutex `cs_main`.
The new "Disconnect outbound peers relaying invalid headers" code added in commit 37886d5e2f9992678dea4b1bd893f4f10d61d3ad and merged as part of #11568 two days ago did not lock `cs_main` prior to accessing `mapBlockIndex`.
Tree-SHA512: b799c234be8043d036183a00bc7867bbf3bd7ffe3baa94c88529da3b3cd0571c31ed11dadfaf29c5b8498341d6d0a3c928029a43b69f3267ef263682c91563a3
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Reading the variable mapBlockIndex requires holding the mutex cs_main.
The new "Disconnect outbound peers relaying invalid headers" code
added in commit 37886d5e2f9992678dea4b1bd893f4f10d61d3ad and merged
as part of #11568 two days ago did not lock cs_main prior to accessing
mapBlockIndex.
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cc5c39d [Build] Add AM_OBJCXXFLAGS and QT_PIE_FLAGS to OBJCXXFLAGS to future-proof darwin targets (fanquake)
f8c6697 Fix automake warnings when running autogen.sh (Evan Klitzke)
Pull request description:
Adjusted @eklitzke's commit to completely remove GZIP_ENV.
Added a commit to address OBJCXXFLAGS.
Rebased on master.
Relevant info from @theuni & #11013 below.
--------
GZIP_ENV was indeed added for determinism, but gitian exports this as needed, so it's not really necessary. I'd rather just remove it.
The mm.o rule was added to support XCode 4.2's ancient version of automake. That's irrelevant now, so it makes sense to remove that too.
All darwin targets are PIE by default, so we don't technically need the flags, but I'd be more comfortable if we hooked up the OBJCXXFLAGS in case future ones are added.
--------
The second commit addresses the last point, but could probably use a better commit message.
These warnings are removed from autogen output:
```
Makefile.am:12: warning: user variable 'GZIP_ENV' defined here ...
/usr/local/Cellar/automake/1.15.1/share/automake-1.15/am/distdir.am: ... overrides Automake variable 'GZIP_ENV' defined here
src/Makefile.am: installing 'build-aux/depcomp'
src/Makefile.am:503: warning: user target '.mm.o' defined here ...
/usr/local/Cellar/automake/1.15.1/share/automake-1.15/am/depend2.am: ... overrides Automake target '.mm.o' defined here
```
Tree-SHA512: bd59df5f6d3aafe35d5e36925bfe61cc71e774583a0438d7dd946c9e7ecf6e59d42f90a58b8cfef0faa404c81050338ad4cefe721b4a949af881e73b6ab254d4
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Updates `tinyformat.h` to commit c42f/tinyformat@689695c upstream.
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37886d5e2 Disconnect outbound peers relaying invalid headers (Suhas Daftuar)
4637f1852 moveonly: factor out headers processing into separate function (Suhas Daftuar)
Pull request description:
Alternate to #11446.
Disconnect outbound (non-manual) peers that serve us block headers that are already known to be invalid, but exempt compact block announcements from such disconnects.
We restrict disconnection to outbound peers that are using up an outbound connection slot, because we rely on those peers to give us connectivity to the honest network (our inbound peers are not chosen by us and hence could all be from an attacker/sybil). Maintaining connectivity to peers that serve us invalid headers is sometimes desirable, eg after a soft-fork, to protect unupgraded software from being partitioned off the honest network, so we prefer to only disconnect when necessary.
Compact block announcements are exempted from this logic to comply with BIP 152, which explicitly permits nodes to relay compact blocks before fully validating them.
Tree-SHA512: 3ea88e4ccc1184f292a85b17f800d401d2c3806fefc7ad5429d05d6872c53acfa5751e3df83ce6b9c0060ab289511ed70ae1323d140ccc5b12e3c8da6de49936
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1. "If a pull request is not to be considered for merging (yet), please
prefix the ..."
2. If a particular commit references another issue, please add the reference. For
example: `refs #1234` or `fixes #4321`.
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BlockTransactionsRequest
fd3a2f3 [tests] Add fuzz testing for BlockTransactions and BlockTransactionsRequest (practicalswift)
Pull request description:
The `BlockTransactions` deserialization code is reachable with tainted data via `ProcessMessage(…, "BLOCKTXN", vRecv [tainted], …)`.
The same thing applies to `BlockTransactionsRequest` which is reachable via `"GETBLOCKTXN"`.
Tree-SHA512: 64560ea344bc6145b940472f99866b808725745b060dedfb315be400bd94e55399f50b982149645bd7af7ed9935fd28751d7daf0d3f94a8e2ed3bc52e3325ffb
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ProcessMessages will now return earlier when processing headers
messages, rather than continuing on (and do nothing).
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e065249 Add unit test for outbound peer eviction (Suhas Daftuar)
5a6d00c Permit disconnection of outbound peers on bad/slow chains (Suhas Daftuar)
c60fd71 Disconnecting from bad outbound peers in IBD (Suhas Daftuar)
Pull request description:
The first commit will disconnect an outbound peer that serves us a headers chain with insufficient work while we're in IBD.
The second commit introduces a way to disconnect outbound peers whose chains fall out of sync with ours:
For a given outbound peer, we check whether their best known block (which is known from the blocks they announce to us) has at least as much work as our tip. If it doesn't, we set a 20 minute timeout, and if we still haven't heard about a block with as much work as our tip had when we set the timeout, then we send a single getheaders message, and wait 2 more minutes. If after two minutes their best known block has insufficient work, we disconnect that peer.
We protect 4 of our outbound peers (who provide some "good" headers chains, ie a chain with at least as much work as our tip at some point) from being subject to this logic, to prevent excessive network topology changes as a result of this algorithm, while still ensuring that we have a reasonable number of nodes not known to be on bogus chains.
We also don't require our peers to be on the same chain as us, to prevent accidental partitioning of the network in the event of a chain split. Note that if our peers are ever on a more work chain than our tip, then we will download and validate it, and then either reorg to it, or learn of a consensus incompatibility with that peer and disconnect. This PR is designed to protect against peers that are on a less work chain which we may never try to download and validate.
Tree-SHA512: 2e0169a1dd8a7fb95980573ac4a201924bffdd724c19afcab5efcef076fdbe1f2cec7dc5f5d7e0a6327216f56d3828884f73642e00c8534b56ec2bb4c854a656
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Currently we have no rotation of outbound peers. If an outbound peer
stops serving us blocks, or is on a consensus-incompatible chain with
less work than our tip (but otherwise valid headers), then we will never
disconnect that peer, even though that peer is using one of our 8
outbound connection slots. Because we rely on our outbound peers to
find an honest node in order to reach consensus, allowing an
incompatible peer to occupy one of those slots is undesirable,
particularly if it is possible for all such slots to be occupied by such
peers.
Protect against this by always checking to see if a peer's best known
block has less work than our tip, and if so, set a 20 minute timeout --
if the peer is still not known to have caught up to a chain with as much
work as ours after 20 minutes, then send a single getheaders message,
wait 2 more minutes, and if a better header hasn't been received by then,
disconnect that peer.
Note:
- we do not require that our peer sync to the same tip as ours, just an
equal or greater work tip. (Doing otherwise would risk partitioning the
network in the event of a chain split, and is also unnecessary.)
- we pick 4 of our outbound peers and do not subject them to this logic,
to be more conservative. We don't wish to permit temporary network
issues (or an attacker) to excessively disrupt network topology.
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When in IBD, we'd like to use all our outbound peers to help us
sync the chain. Disconnect any outbound peers whose headers have
insufficient work.
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fa81534 Add share/rpcuser to dist. source code archive (MarcoFalke)
Pull request description:
As the legacy rpcuser and rpcpassword are deprected since 0.12.0, we should actually include the script to generate the new auth pair in the distributed source code archive.
Ref: #6753
(Tagging for backport, since it is a trivial bugfix)
Tree-SHA512: f2737957a92396444573f41071a785be5fb318df9efeb3ade7e56b3b56d512e5f9ca36723365fe5be8aaee69c5e8d8ed1178510bf02186c848b3910ee001ecb9
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Change suggested by Cory Fields <cory-nospam-@coryfields.com> who noticed
listsinceblock would ignore invalid block hashes causing it to return a
completely unfiltered list of transactions.
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sendheaders.py
6d51eaefe qa: Fix race condition in sendheaders.py (Suhas Daftuar)
c96b2e4f0 qa: Fix replace-by-fee race condition failures (Suhas Daftuar)
Pull request description:
I think #11407 broke replace-by-fee by introducing a race condition. I was observing frequent failures of replace-by-fee locally, always with a mempool sync failure (the sync call was added in #11407).
It appeared to me like there were two causes: sometimes the node would be in IBD and not request the transaction that was relayed; other times the blocks generated in make_utxo wouldn't have relayed quickly enough for the spend of the transaction to be accepted. I believe I've fixed both potential errors.
ping @instagibbs
Edit: I found a race condition in the sendheaders.py test, where if the verack from the python node wasn't processed before the first block in the test was generated, then no block announcement would go out to that peer, breaking the test. Fixed by adding a sync_with_ping after waiting for verack.
Tree-SHA512: 6ad160966e432c151c1ce6e88ae67e60e47123523bda3755cf7697a00e1a5ba38de8561751826e3d7cf0e492f8c2aec298e1b4de8424ebbaf497f099a1ef1d07
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6b1891e2c Add Sent and Received information to the debug menu peer list (Aaron Golliver)
8e4aa35ff move human-readable byte formatting to guiutil (Aaron Golliver)
Pull request description:
Makes the peer list display how much you've uploaded/downloaded from each peer.
Here's a screenshot ~~[outdated](https://i.imgur.com/MhPbItp.png)~~, [current](https://i.imgur.com/K1htrVv.png) of how it looks. You can now sort to see who are the peers you've uploaded the most too.
I also moved `RPCConsole::FormatBytes` to `guiutil::formatBytes` so I could use it in the peerlist
Tree-SHA512: 8845ef406e4cbe7f981879a78c063542ce90f50f45c8fa3514ba3e6e1164b4c70bb2093c4e1cac268aef0328b7b63545bc1dfa435c227f28fdb4cb0a596800f5
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01b52ce Add comment explaining forced processing of compact blocks (Suhas Daftuar)
08fd822 qa: add test for minchainwork use in acceptblock (Suhas Daftuar)
ce8cd7a Don't process unrequested, low-work blocks (Suhas Daftuar)
Pull request description:
A peer could try to waste our resources by sending us unrequested blocks with
low work (eg to fill up our disk). Since e265200 we no longer request blocks until we
know we're on a chain with more than nMinimumChainWork (our anti-DoS
threshold), but we would still process unrequested blocks that had more work
than our tip (which generally has low-work during IBD), even though we may not
yet have found a headers chain with sufficient work.
Fix this and add a test.
Tree-SHA512: 1a4fb0bbd78054b84683f995c8c3194dd44fa914dc351ae4379c7c1a6f83224f609f8b9c2d9dde28741426c6af008ffffea836d21aa31a5ebaa00f8e0f81229e
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d23be30 [verify-commits] Allow revoked keys to expire (Matt Corallo)
Pull request description:
This should fix verify-commits on master.
Tree-SHA512: 9bfca41fdfcdb11f6d07fcbc80a7b2de37706051e963292e0fbb4c608f146c87b65ab1e8395792197b4a7099e89fa045f278a60276672f6540b68d5e15b5a4a7
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darwin targets
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A peer could try to waste our resources by sending us unrequested blocks with
low work, eg to fill up our disk. Since
e2652002b6011f793185d473f87f1730c625593b we no longer request blocks until we
know we're on a chain with more than nMinimumChainWork (our anti-DoS
threshold), but we would still process unrequested blocks that had more work
than our tip. This commit fixes that behavior.
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7a5f930 Avoid slow transaction search with txindex enabled (João Barbosa)
Pull request description:
This is an alternative to #11507 where a slow search is not attempted (in any case) if `txindex` is enabled.
Tree-SHA512: e680621781a9241c0513ddd79d23b0b42f3ccec8a63ed1c926b35c43321c81c39a1028770397dd5070501dcf644d897026a2bd68a161a4b435f19227c1bbca48
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478a89c Avoid opening copied wallet databases simultaneously (Russell Yanofsky)
Pull request description:
Make sure wallet databases have unique fileids. If they don't, throw an error. BDB caches do not work properly when more than one open database has the same fileid, because values written to one database may show up in reads to other databases.
Bitcoin will never create different databases with the same fileid, but users can create them by manually copying database files.
BDB caching bug was reported by @dooglus in https://github.com/bitcoin/bitcoin/issues/11429
Tree-SHA512: e7635dc81a181801f42324b72fe9e0a2a7dd00b1dcf5abcbf27fa50938eb9a1fc3065c2321326c3456c48c29ae6504353b02f3d46e6eb2f7b09e46d8fe24388d
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capacity to …
132d322 Remove my testnet DNS seed as I currently don't have the capacity to keep it up to date. (Andreas Schildbach)
Pull request description:
…keep it up to date.
I suggest to consider this for backporting.
Tree-SHA512: 2aadb60e9ecab1756f835e62ab784124c61a1fa59380d299ce482f826169da9ed8b7f8615ea9d8d3484eac0b32a9e974685ddc51723c7782a472bc0386243898
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Make sure wallet databases have unique fileids. If they don't, throw an error.
BDB caches do not work properly when more than one open database has the same
fileid, because values written to one database may show up in reads to other
databases.
Bitcoin will never create different databases with the same fileid, but users
can create them by manually copying database files.
BDB caching bug was reported by Chris Moore <dooglus@gmail.com>
https://github.com/bitcoin/bitcoin/issues/11429
Fixes #11429
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