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2019-02-12[wallet] Close bdb when flushing wallet.John Newbery
bdb would not be closed when closing the wallet in wallet-tool. Fix this by calling wallet->flush with true.
2019-02-12Merge #15358: util: Add SetupHelpOptions()Wladimir J. van der Laan
a99999cc04c2e7d79bb841fd954c84e985ed3b88 util: Add SetupHelpOptions() (MarcoFalke) Pull request description: Every binary we have sets up the help option in their own way and wording. Solve that by having one function take care of it for all of them. Tree-SHA512: 6e947fa8bc2a46fa6ca9f45777020aa269a5df0dd916ebc863224f9a1e0f79e8e7754a1478567307edd9461e8babd77d26bc2710bbd56e8f8da9020aa85a8c9c
2019-02-11Merge #15373: Move ParseConfirmTarget from rpc/mining to rpc/utilMarcoFalke
50e647210d Move ParseConfirmTarget from rpc/mining to rpc/util (Russell Yanofsky) Pull request description: Util is a better home since it's called both by wallet and mining code. Suggested https://github.com/bitcoin/bitcoin/pull/15288#discussion_r254449444 Tree-SHA512: 4320caf2a3f70d2885c421de04f2ec68ff3f6519258c5155fc46e245dc1765fd15c81f260af5096318f24ff9deb88fc3c5ef40eec8b7393f467f5b963d17215b
2019-02-11Merge #15380: trivial: correct parameter name in commentsMarcoFalke
1a0139cbaf trivial: correct parameter name in comments (andrewtoth) Pull request description: Tree-SHA512: 029b5ca5406cd7bf704b4d7611dac072cdc46a8659041bf631d77372ed4c16fa9ddf02c754044e310b16ea9bdd0803d051bef6ef6a86815d523826666134c649
2019-02-11Merge #15337: rpc: Fix for segfault if combinepsbt called with empty inputsMarcoFalke
30d0f7be6e rpc: Fix for segfault if combinepsbt called with empty inputs (benthecarman) Pull request description: Fixes #15300 Tree-SHA512: 25e7b4e6e48d8b0d197f0ab96df308fff33e2110f8929cb48914877fa7f4c4a84f173b1378fdb2dec5d03fe7d6d1aced4b577e55f9fe180d8147d9106ebf543f
2019-02-10trivial: correct parameter name in commentsandrewtoth
2019-02-11Merge #15226: Allow creating blank (empty) wallets (alternative)MeshCollider
7687f7873 [wallet] Support creating a blank wallet (Andrew Chow) Pull request description: Alternative (kind of) to #14938 This PR adds a `blank` parameter to the `createwallet` RPC to create a wallet that has no private keys initially. `sethdseed` can then be used to make a clean wallet with a custom seed. `encryptwallet` can also be used to make a wallet that is born encrypted. Instead of changing the version number as done in #14938, a wallet flag is used to indicate that the wallet should be blank. This flag is set at creation, and then unset when the wallet is no longer blank. A wallet becomes non-blank when a HD seed is set or anything is imported. The main change to create a blank wallet is primarily taken from #14938. Also with this, the term "blank wallet" is used instead of "empty wallet" to avoid confusion with wallets that have balance which would also be referred to as "empty". This is built on top of #15225 in order to fix GUI issues. Tree-SHA512: 824d685e11ac2259a26b5ece99c67a7bda94a570cd921472c464243ee356b7734595ad35cc439b34357135df041ed9cba951e6edac194935c3a55a1dc4fcbdea
2019-02-10[wallet] Support creating a blank walletAndrew Chow
A blank wallet is a wallet that has no keys, script or watch only things. A new wallet flag indicating that it is blank will be set when the wallet is blank. Once it is no longer blank (a seed has been generated, keys or scripts imported, etc), the flag will be unset.
2019-02-08Move ParseConfirmTarget from rpc/mining to rpc/utilRussell Yanofsky
Util is a better home since it's called both by wallet and mining code. Suggested https://github.com/bitcoin/bitcoin/pull/15288#discussion_r254449444
2019-02-08Merge #15357: rpc: Don't ignore `-maxtxfee` when wallet is disabledMarcoFalke
dfbf117bbb Move maxTxFee initialization to init.cpp (Jordan Baczuk) Pull request description: Resolves #15355 Tree-SHA512: 6eafacc6a3b0589fb645b0080fd3c01598566df1bd7ee7929284853866a23493960fbd4d6f9c3417e192f8a21706d9f593197734f6189e046e4747991305a0b8
2019-02-08Merge #15365: wallet: Add lock annotation for mapAddressBookMarcoFalke
faa46475d7 wallet: Add lock annotation for mapAddressBook (MarcoFalke) Pull request description: This adds lock annotations for `mapAddressBook` and also moves one lock from inside `GetDestValues` to the caller to be in line with the other methods (`eraseDestData`, `addDestData`, ...) Tree-SHA512: cef9397523e2f5717d4a9a6b2da1fe07042484a51b3c067ae64425768637f334350a2c3db4ab7e00af99b2a587f6b656b68ee1195f6a3db6d47298d0b2b6174a
2019-02-08Move maxTxFee initialization to init.cppJordan Baczuk
2019-02-08Merge #15201: net: Add missing locking annotation for vNodes. vNodes is ↵MarcoFalke
guarded by cs_vNodes. eea02be70e Add locking annotation for vNodes. vNodes is guarded by cs_vNodes. (practicalswift) Pull request description: Add locking annotation for `vNodes`. `vNodes` is guarded by `cs_vNodes`. Tree-SHA512: b1e18be22ba5b9dd153536380321b09b30a75a20575f975af9af94164f51982b32267ba0994e77c801513b59da05d923a974a9d2dfebdac48024c4bda98b53af
2019-02-08Merge #14242: Avoid triggering undefined behaviour (std::memset(nullptr, 0, ↵Wladimir J. van der Laan
0)) if an invalid string is passed to DecodeSecret(...) d855e4cac8303ad4e34ac31cfa7634286589ce99 Avoid triggering undefined behaviour (std::memset(nullptr, 0, 0)) if an invalid string is passed to DecodeSecret(...) (practicalswift) Pull request description: Avoid triggering undefined behaviour (`std::memset(nullptr, 0, 0)`) if an invalid string is passed to `DecodeSecret(...)`. Background reading: [memcpy (and friends) with NULL pointers](https://www.imperialviolet.org/2016/06/26/nonnull.html) Steps to reproduce: ``` ./configure --with-sanitizers=undefined && make check && ./test/functional/test_runner.py ``` Tree-SHA512: b8325ced4f724d9c03065e0747af56b1f297a90d9fb09a24d46c3231a90dce3df6299f2c41f863b5cec18eaeded7b46ee4b93d9a52adc2541eb4c44d2c0965d9
2019-02-07Merge #14897: randomize GETDATA(tx) request order and introduce bias toward ↵Pieter Wuille
outbound 1cff3d6cb0 Change in transaction pull scheduling to prevent InvBlock-related attacks (Gleb Naumenko) Pull request description: This code makes executing two particular (and potentially other) attacks harder. ### InvBlock This behavior was described well [here](https://www.cs.umd.edu/projects/coinscope/coinscope.pdf) (page 11). Per current implementation, if node A receives _INV_ (tx) from node B, node A sends _GETDATA_ to B and waits for _TX_ message back. Node A is likely to receive more _INVs_ (regarding the same tx) from other peers. But node A would not send another _GETDATA_ unless it does not hear _TX_ back from node B for next 2 minutes (to save bandwidth) Thus, if B is a malicious node, it can prevent node A from getting the transaction (even if all A’s peers have it) for 2 minutes. This behavior seems to be an inherent limitation of the current P2P relay protocol, and I don’t see how it can be fundamentally changed (I can see workarounds which involve rewriting a lot of P2P code though). ### What does this PR fix? The attacks I’m looking at involve preventing A from learning the transaction for 2*N minutes. To do that, an attacker has to spin up N nodes and send N _INVs_ simultaneously to node A (then InvBlocks will be queued with an interval of 2 minutes according to current implementation) More precisely, 2 scenarios I’m looking at are: 1. An attacker censors a particular transaction. By performing InvBlock from different nodes, an attacker can execute a network-wide censorship of a particular transaction (or all transactions). The earlier an attacker founds the transaction he wants to censor, the easier it is to perform an attack. As it was pointed out by @gwillen, this is even more dangerous in the case of lightning, where transactions are known in advance. 2. Topology inference described in papers [1](https://www.cs.umd.edu/projects/coinscope/coinscope.pdf), [2](https://arxiv.org/pdf/1812.00942.pdf) involve network-wide InvBlock. This fix would not mitigate this type of inference, but I believe it will make it more expensive to perform (an attacker would have to create more transactions and perform more rounds to learn the topology, the second paper itself notes that InvBlock isolation is important for the attack). ### How does it work This PR introduces bias toward outbound connections (they have higher priority when a node chooses from whom it should request a transaction) and randomizes the order. As per @gmaxwell suggestion, GETDATA requests queue is created after processing all incoming messages from all nodes. After this fix, if the incoming messages were [I1, I2, I3, O1, O2, O3, O4], the queue for _GETDATA_ may look like [O2, O1, O3, O4, I1, I3, I2, ….]. If {I1, I2, I3} were significantly earlier (but the difference is less than TX_TIMEOUT=60 s) than others, the queue for _GETDATA_ may look like [I2, O2, O1, O3, O4, I1, I3, ….]. ### Other comments: 1. This mitigation works better if the connectivity is higher (especially outbound, because it would be less likely that 2 _GETDATAs_ for inbound malicious nodes queued together) Tree-SHA512: 2ad1e80c3c7e16ff0f2d1160aa7d9a5eaae88baa88467f156b987fe2a387f767a41e11507d7f99ea02ab75e89ab93b6a278d138cb1054f1aaa2df336e9b2ca6a
2019-02-07Merge #14491: Allow descriptor imports with importmultiWladimir J. van der Laan
b985e9c850ea682eced7021faf6c7c835066c61b Add release notes for importmulti descriptor support (MeshCollider) fbb5e935eaf17d603ec62e1a704a174235540b71 Add test for importing via descriptor (MeshCollider) 9f48053d8f9a1feacc96d7e2a00c8a3a67576948 [wallet] Allow descriptor imports with importmulti (MeshCollider) d2b381cc91b2c4e74abe11e5bd66af647b70dafb [wallet] Refactor ProcessImport() to call ProcessImportLegacy() (John Newbery) 4cac0ddd258bc82258ccc99568d02d3b2415339d [wallet] Add ProcessImportLegacy() (John Newbery) a1b25e12a5f57048a4639964d57c0b46eb84cd4e [wallet] Refactor ProcessImport() (John Newbery) Pull request description: ~~Based on #14454 #14565, last two commits only are for review.~~ Best reviewed with `?w=1` Allows a descriptor to be imported into the wallet using `importmulti` RPC. Start and end of range can be specified for ranged descriptors. The descriptor is implicitly converted to old structures on import. Also adds a simple test of a P2SH-P2WPKH address being imported as a descriptor. More tests to come, as well as release notes. Tree-SHA512: 160eb6fd574c4ae5b70e0109f7e5ccc95d9309138603408a1114ceb3c558065409c0d7afb66926bc8e1743c365a3b300c5f944ff18b2451acc0514fbeca1f2b3
2019-02-07Avoid triggering undefined behaviour (std::memset(nullptr, 0, 0)) if an ↵practicalswift
invalid string is passed to DecodeSecret(...)
2019-02-07wallet: Add lock annotation for mapAddressBookMarcoFalke
2019-02-08Merge #14667: Add deriveaddresses RPC util methodMeshCollider
595283851 [rpc] util: add deriveaddresses method (Sjors Provoost) Pull request description: Usage: ```sh bitcoin-cli deriveaddresses "wpkh([d34db33f/84h/0h/0h]xpub6DJ2dNUysrn5Vt36jH2KLBT2i1auw1tTSSomg8PhqNiUtx8QX2SvC9nrHu81fT41fvDUnhMjEzQgXnQjKEu3oaqMSzhSrHMxyyoEAmUHQbY/0/0)" [ "bc1qg6ucjz7kgdedam7v5yarecy54uqw82yym06z3q" ] // part of the BIP32 test vector ``` Avoids the need for external (BIP32) libraries to derive an address. Can be used in conjunction with `scantxoutset` as a poor mans wallet. Might be useful to test more complicated future descriptors. ~To keep it as simple as possible it only supports descriptors that result in a single address, so no `combo()` and ranges.~ As discussed recently on IRC it might make sense to put this in a separate utility along with other descriptor and psbt utility functions which don't need a chain or wallet context. However I prefer to leave that to another PR. Tree-SHA512: b8e53db11a8fd87638cc98766270cc3be9adc4b3e5085798a6a4e2e6ad252bf6d2189346bbb2da72d04d13f7f1e80b5cb88e8039653bea1f150602a876ef7f34
2019-02-06Change in transaction pull scheduling to prevent InvBlock-related attacksGleb Naumenko
Co-authored-by: Suhas Daftuar <sdaftuar@gmail.com>
2019-02-06Merge #15343: [doc] netaddress: Make IPv4 loopback comment more descriptiveWladimir J. van der Laan
87aa0b48afe5a070e6e11e502a1803da6add5197 netaddress: Make IPv4 loopback comment more descriptive (Carl Dong) 6180b5f32bbcd7ef18db772290954161806e609e netaddress: Fix indentation in IsLocal (Carl Dong) Pull request description: This also makes the comment match the IPv6 comment just below this hunk. Tree-SHA512: 9b91195e71e18156c9e013f63a6d430c67951aabb4a0c2f48f3bf852570c13887572b9e2fa52f4e1beba8685a9cae8949d4d03cd618a78f88566cf9e85dc64a8
2019-02-06util: Add SetupHelpOptions()MarcoFalke
2019-02-06Merge #15321: doc: Add cs_main lock annotations for mapBlockIndexMarcoFalke
fa2a69fcb9 doc: Add cs_main lock annotations for mapBlockIndex (practicalswift) Pull request description: Marked as "doc" because it didn't change the bitcoind on my system with default configure settings for both gcc and clang. Tree-SHA512: ba203f16c1cdc834a61c65bb5fb20bbaf7d8bff0c3a1b8ef46bc1d3669092191221e26abd7e580efab2f9bd5a992dc363251f1b68c6cd68f8204d62675868cf1
2019-02-06Merge #15091: GUI: fix model overlay header syncWladimir J. van der Laan
e8db6b8044424a6fbb4b0a80acffc8c7fbf6be8b Qt: Fix update headers-count (Jonas Schnelli) 7bb45e4b7a71e0ff0e2bbeba5367022758efa5d4 Qt: update header count regardless of update delay (Jonas Schnelli) Pull request description: Update the block and header tip is constraint to have a minimal distance of 250ms between updates... which can lead to miss the last header update. The modal overlay then assumes we are still in header sync and the view get stuck in "syncing headers,..." (while it's actually syncing blocks). This removes the 250ms minimal delta for header updates as well as it fixes the correct display of how header updates should update the labels. Tree-SHA512: 57608dac822b135cd604fc6ba1c80f25c0202a6e20bb140362026615d4bf243ef4fcc254a11bad36419c554a222a2f4947438d4ce44aa14041d1874751643d68
2019-02-05Merge #15332: [Docs] Small updates to getrawtransaction descriptionMarcoFalke
47012391ec [Docs] Small updates to getrawtransaction description (Amiti Uttarwar) Pull request description: As per review comments on https://github.com/bitcoin/bitcoin/pull/15159 Tree-SHA512: 0bbbe956b47d177f7e67c5ab2048287783327d9e07a679d64d79aee3ea8633e769f75b59d3dbce517924ba5d64d6c44f26bf49e16d40612463e460ad1a238129
2019-02-05Merge #15327: tests: Make test updatecoins_simulation_test deterministicMarcoFalke
ef0b01217a tests: Make updatecoins_simulation_test deterministic (practicalswift) Pull request description: Make test `updatecoins_simulation_test` deterministic. Can be verified using `contrib/test_deterministic_coverage.sh` introduced in #15296. Related: * #15296: "tests: Add script checking for deterministic line coverage in unit tests" * #15324: "test: Make bloom tests deterministic" * #14343: "coverage reports non-deterministic" Tree-SHA512: 3466e28a42dd3735effb8542044d88e8350a470729d4a4f02abce9d6367de6568d698131469ba154d3dc76d448bacb360b7aefd066bb5b91408c0be375dd3ecb
2019-02-05Merge #15203: Fix issue #9683 "gui, wallet: random abort (segmentation fault)MarcoFalke
364cff1cab Fix issue #9683 "gui, wallet: random abort (segmentation fault) running master/HEAD". (Chris Moore) Pull request description: Patch taken from @ryanofsky's comment https://github.com/bitcoin/bitcoin/issues/9683#issuecomment-448035913. [MarcoFalke wrote](https://github.com/bitcoin/bitcoin/issues/9683#issuecomment-454066004): > Mind to submit this patch as a pull request? So that's what I'm doing. I was regularly seeing crashes on startup before applying this patch and haven't seen a single crash on startup since applying it almost a month ago. Tree-SHA512: 3bbb2291cdf03ab7e7b5b796df68d76272491e35d473a89f4550065554c092f867659a7b8d7a1a91461ae4dc9a3b13b72541eafdbd732536463e9f3cf82300c8
2019-02-06Merge #15297: wallet: Releases dangling files on BerkeleyEnvironment::CloseMeshCollider
d3bf3b930 qa: Test .walletlock file is closed (João Barbosa) 2f8b8f479 wallet: Close wallet env lock file (João Barbosa) 8602a1e6a wallet: Close dbenv error file db.log (João Barbosa) Pull request description: This PR closes `db.log` and removes `.walletlock` files when `BerkeleyEnvironment` is closed. Fixes https://github.com/bitcoin/bitcoin/issues/15291#issuecomment-459131886. Tree-SHA512: 05d8b027feea914e0ba873e75d117857473d1fd7b400e41bd473d638171fa39d5be048990bf685dc0807f7d92418579b763056dc2a6dcf6b96777d5688ddee04
2019-02-05Merge #14922: windows: Set _WIN32_WINNT to 0x0601 (Windows 7)Wladimir J. van der Laan
0164b0f5cf80cd00a4914d9fea0bcb9508cb7607 build: Remove WINVER pre define in Makefile.leveldb.inlcude (Chun Kuan Lee) d0522ec94ebbaa564f5f6b31236d4df032664411 Drop defunct Windows compat fixes (Ben Woosley) d8a299206780b38959d732cbe40ba1dd25834f0e windows: Call SetProcessDEPPolicy directly (Chun Kuan Lee) 1bd9ffdd44000b208d29d35451f4dc9f1ac9318f windows: Set _WIN32_WINNT to 0x0601 (Windows 7) (Chun Kuan Lee) Pull request description: The current minimum support Windows version is Vista. So set it to 0x0600 https://github.com/mirror/mingw-w64/blob/5a88def8ad862ef8f4e5f2e69661bfb2d07f1ce2/mingw-w64-headers/include/sdkddkver.h#L19 Tree-SHA512: 38e2afc79426ae547131c8ad3db2e0a7f54a95512f341cfa0c06e4b2fe79521ae67d2795ef96b0192e683e4f1ba6183c010d7b4b8d6b3e68b9bf48c374c59e7d
2019-02-05Merge #15245: remove deprecated mentions of signrawtransaction from fundraw helpMarcoFalke
851380ce17 remove deprecated mentions of signrawtransaction from fundraw help (Gregory Sanders) Pull request description: RPC call has been removed as of 0.17.99. Tree-SHA512: a6a12a0e4572acd9b532c1719be85ed6f29d1c1a28f9ce691398528b8dde4fb4a3222b8f68632fcb1a8eddfe2d31e96d5efd5bc51c041af8e7cb99b61ca3a167
2019-02-05Merge #15342: Suggested wallet code cleanups from #14711MarcoFalke
aebafd0edf Rename Chain getLocator -> getTipLocator (Russell Yanofsky) 2c1fbaa771 Drop redundant get_value_or (Russell Yanofsky) 84adb206fc Fix ScanForWalletTransactions start_block comment (Russell Yanofsky) 2efa66b464 Document rescanblockchain returned stop_height being null (Russell Yanofsky) db2d093233 Add suggested rescanblockchain comments (Russell Yanofsky) a8d645c934 Update ScanForWalletTransactions result comment (Russell Yanofsky) 95a812b599 Rename ScanResult stop_block field (Russell Yanofsky) Pull request description: This implements suggested changes from #14711 review comments that didn't make make it in before merging. There are no changes in behavior in this PR, just documentation updates, simplifications, and variable renames. Tree-SHA512: 39f1a5718195732b70b5e427c3b3e4295ea5af6328a5991763a422051212dfb95383186db0c0504ce2c2782fb61998dfd2fe9851645b7cb4e75d849049483cc8
2019-02-05[wallet] Allow descriptor imports with importmultiMeshCollider
2019-02-05[wallet] Refactor ProcessImport() to call ProcessImportLegacy()John Newbery
This is almost entirely a move-only commit. Reviewer hint: use --color-moved=zebra for review.
2019-02-05[wallet] Add ProcessImportLegacy()John Newbery
This commit adds a ProcessImportLegacy() function which currently does nothing. It also unindents a block of code for a future move-only change. Reviewer hint: review with -w to ignore whitespace changes.
2019-02-05[wallet] Refactor ProcessImport()John Newbery
This commit is move-only and doesn't make any functional changes. It simply moves code around within ProcessImport() in preparation for refactors in the next commits.
2019-02-04rpc: Fix for segfault if combinepsbt called with empty inputsbenthecarman
2019-02-04Fix issue #9683 "gui, wallet: random abort (segmentation fault) running ↵Chris Moore
master/HEAD". Patch taken from @ryanofsky's comment https://github.com/bitcoin/bitcoin/issues/9683#issuecomment-448035913 and refined according to https://github.com/bitcoin/bitcoin/pull/15203#discussion_r249168229
2019-02-05Fix build after pr 15266 mergedHennadii Stepanov
2019-02-04Merge #15266: memory: Construct globals on first useMarcoFalke
77777c5624 log: Construct global logger on first use (MarcoFalke) Pull request description: The (de)initialization order is not well defined in C++, so generally it is not safe to use globals as the (de/con)structor of one global could use the (de/con)structor of another global before/after it has been (con/de)structed. Specifically this fixes: * `g_logger` might not be initialized on the first use, so do that. (Fixes #15111) Tree-SHA512: eb9c22f4baf31ebc5b0b9ee6a51d1354bae1f0df186cc0ce818b4483c7b5a7f90268d2b549ee96b4c57f8ef36ab239dc6497f74f3e2ef166038f7437c368297d
2019-02-04netaddress: Make IPv4 loopback comment more descriptiveCarl Dong
2019-02-04netaddress: Fix indentation in IsLocalCarl Dong
2019-02-04net: Correct comparison of addr countCarl Dong
LOCAL_NONE is supposed to be an enum indicating the score of a LocalServiceInfo rather than the count of an addr in mapLocalHost.
2019-02-04[Docs] Small updates to getrawtransaction descriptionAmiti Uttarwar
2019-02-04remove deprecated mentions of signrawtransaction from fundraw helpGregory Sanders
2019-02-04qt: Pre-0.18 split-off translations updateWladimir J. van der Laan
- Update transifex slug - Mention update of MSVC build in `doc/translation_process.md` - Do a `make translate` to update English translations - Pull current translations from transifex
2019-02-04wallet: Close wallet env lock fileJoão Barbosa
Close .walletlock file when a BerkeleyEnvironment is deleted.
2019-02-04wallet: Close dbenv error file db.logJoão Barbosa
The error file db.log is opened by BerkeleyEnvironment instance and should be closed after dbenv is closed.
2019-02-04Merge #15322: wallet: Add missing cs_db lockWladimir J. van der Laan
712d35bc563ac7de0b7dfc3a35fc48dc6448fa6a wallet: Add missing cs_db lock (João Barbosa) Pull request description: Without this lock `BerkeleyEnvironment::~BerkeleyEnvironment` and `GetWalletEnv` would race for `g_dbenvs`. This wasn't detected before because thread safety analysis does not check constructors and destructors. Reference: http://releases.llvm.org/5.0.2/tools/clang/docs/ThreadSafetyAnalysis.html#no-checking-inside-constructors-and-destructors Tree-SHA512: 350cb2b991ca699a6bca85f87c82c38f0814484c8ccb0d7d83cb3bff9afcf60dd32b2a9554a9e72eb5803bfad8b6970fe7da618b39be5889178b86faa1b74124
2019-02-04Merge #15324: test: Make bloom tests deterministicWladimir J. van der Laan
fae169c95e09ddf068dcaebc8170c4f41b02cf66 test: Make bloom tests deterministic (MarcoFalke) Pull request description: non-deterministic tests are useless, since a failing test could not be reproduced unless the seed is known. Tree-SHA512: 4f634ff0c6adf663444f1ac504f6dbceaa46b78d697b840531977ba30006453ac559d5c21cc3eaef6d92b87d46008a34b0db6331ea3318001987fcfaec634acf
2019-02-03Check m_internals in UnregisterValidationInterfaceJoão Barbosa
When a wallet is created it is registered in the validation interface (in CWallet::CreateWalletFromFile) but it is not immediately added to the wallets list. If a shutdown is requested before AddWallet (case more evident when -rescan is set) then m_internals can be released (in Shutdown -> UnregisterBackgroundSignalScheduler) before the wallet and then ReleaseWallet would call UnregisterValidationInterface with m_internals already released.
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