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2017-11-02rpc: further constrain the libevent workaroundCory Fields
The bug was introduced in 2.1.6-beta, versions before that don't need the workaround. Github-Pull: #11593 Rebased-From: 97932cd2689659addfbb58dc6148928b73af3bd0
2017-11-02rpc: work-around an upstream libevent bugCory Fields
A rare race condition may trigger while awaiting the body of a message, see upsteam commit 5ff8eb26371c4dc56f384b2de35bea2d87814779 for details. This may fix some reported rpc hangs/crashes. Github-Pull: #11593 Rebased-From: 6b58360f9b64eb0b680a662fdfd590e47f115f44
2017-11-02Add unit test for stale tip checkingSuhas Daftuar
Github-Pull: #11560 Rebased-From: 626291508c433488439b662f2e88882048fb59fb
2017-11-02Add CConnmanTest to mutate g_connman in testsJoão Barbosa
Github-Pull: #11560 Rebased-From: 83df25736ebaa23777e965d265ed677a8d79f23f
2017-11-02Connect to an extra outbound peer if our tip is staleSuhas Daftuar
If our tip hasn't updated in a while, that may be because our peers are not relaying blocks to us that we would consider valid. Allow connection to an additional outbound peer in that circumstance. Also, periodically check to see if we are exceeding our target number of outbound peers, and disconnect the one which has least recently announced a new block to us (choosing the newest such peer in the case of tie). Github-Pull: #11560 Rebased-From: ac7b37cd2bd612a64a4009ba82f1cd1d57f37434
2017-11-02Track tip update time and last new block announcement from each peerSuhas Daftuar
Github-Pull: #11560 Rebased-From: db32a6589720e5b15931cef82e477118dfd92669
2017-11-02net: Allow connecting to extra outbound peersSuhas Daftuar
Github-Pull: #11560 Rebased-From: 2d4327db1973a354e9e4153de6958d49120fcde8
2017-11-02Use a sensible default for blockmaxweightMatt Corallo
No sensible user will ever keep the default settings here, so not having sensible defaults only serves to screw users who are paying less attention, which makes for terrible defaults. Github-Pull: #11100 Rebased-From: 3dc263c9b9068ee9793b6c7a0023eff16d70fb8f
2017-11-02Deprecate confusing blockmaxsize, fix getmininginfo outputMatt Corallo
* This removes block-size-limiting code in favor of GBT clients doing the limiting themselves (if at all). * -blockmaxsize is deprecated and only used to calculate an implied blockmaxweight, addressing confusion from multiple users. * getmininginfo's currentblocksize return value was returning garbage values, and has been removed, also removing a GetSerializeSize call in some block generation inner loops and potentially addressing some performance edge cases. Github-Pull: #11100 Rebased-From: ba206d2c63a8d3cbd4a8dd47e9ef126af1bb3bb9
2017-11-02Reject headers building on invalid chains by tracking invalidityMatt Corallo
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. Github-Pull: #11531 Rebased-From: 015a5258adffb0cf394f387a95ac9c8afc34cfc3
2017-11-02Accept unrequested blocks with work equal to our tipMatt Corallo
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. Github-Pull: #11531 Rebased-From: 932f118e6a3779bb3d6c3cc83963cf34ac150e42
2017-11-02Stop always storing blocks from whitelisted peersMatt Corallo
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. Github-Pull: #11531 Rebased-From: 3d9c70ca0fd5d42f31114b689714af1825f0ed30
2017-11-02net: Add missing lock in ProcessHeadersMessage(...)practicalswift
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. Github-Pull: #11578 Rebased-From: 2530bf27b72e53cc6ffec27de35f3b487984833d
2017-11-02Disconnect outbound peers relaying invalid headersSuhas Daftuar
Github-Pull: #11568 Rebased-From: 37886d5e2f9992678dea4b1bd893f4f10d61d3ad
2017-11-02moveonly: factor out headers processing into separate functionSuhas Daftuar
ProcessMessages will now return earlier when processing headers messages, rather than continuing on (and do nothing). Github-Pull: #11568 Rebased-From: 4637f18522429473e68f6f512a03040e121a446d
2017-11-02Add unit test for outbound peer evictionSuhas Daftuar
Github-Pull: #11490 Rebased-From: e065249c014a070a8799b2ff947af5b8f012c5c1
2017-11-02Permit disconnection of outbound peers on bad/slow chainsSuhas Daftuar
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. Github-Pull: #11490 Rebased-From: 5a6d00c6defc587e22c93e63029fdd538ce8858d
2017-11-02Disconnecting from bad outbound peers in IBDSuhas Daftuar
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. Github-Pull: #11490 Rebased-From: c60fd71a65e841efe187992f46c583a704cc37f5
2017-11-02Fix uninitialized g_connman crash in Shutdown()MeshCollider
Github-Pull: #11326 Rebased-From: 77939f27f7dc42640ebfb9fe52490a2ddacc3ad4
2017-11-02net: stop both net/net_processing before destroying themCory Fields
This should avoid either attempting to use an invalid reference/pointer to the other. Github-Pull: #10756 Rebased-From: 2525b972af6645ca239ac1078cffb132b402bfbb
2017-11-02net: drop unused connman paramCory Fields
The copy in PeerLogicValidation can be used instead. Github-Pull: #10756 Rebased-From: 80e2e9d0cec890c5d2f81360ebb81e81c07ccb8c
2017-11-02net: use an interface class rather than signals for message processingCory Fields
Drop boost signals in favor of a stateful class. This will allow the message processing loop to actually move to net_processing in a future step. Github-Pull: #10756 Rebased-From: 8ad663c1fa88d68843e45580deced56112343183
2017-11-02net: pass CConnman via pointer rather than referenceCory Fields
There are a few too many edge-cases here to make this a scripted diff. The following commits will move a few functions into PeerLogicValidation, where the local connman instance can be used. This change prepares for that usage. Github-Pull: #10756 Rebased-From: 28f11e9406b185dc87144f1f29af0d93eb115b4e
2017-11-02Rename fAddnode to a more-descriptive "manual_connection"Matt Corallo
Github-Pull: #11456 Rebased-From: 57edc0b0c86549020a39cd65f96496e9771c4769
2017-11-02Add comment explaining forced processing of compact blocksSuhas Daftuar
Github-Pull: #11458 Rebased-From: 01b52cedd42f50a93b40981c91af7c12de6e45ce
2017-11-02Don't process unrequested, low-work blocksSuhas Daftuar
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. Github-Pull: #11458 Rebased-From: ce8cd7a7da9174ab151172fc0ce97b5164637cf3
2017-11-02Allow setting nMinimumChainWork on command lineSuhas Daftuar
Github-Pull: #10357 Rebased-From: 0311836f6927aec4ba5687ea12af35df3c509682
2017-11-01Avoid opening copied wallet databases simultaneouslyRussell Yanofsky
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 Github-Pull: #11476 Rebased-From: 478a89c1ef79a75275d1b508122c06eee9386b2d
2017-11-01[wallet] Fix leak in CDB constructorJoão Barbosa
Now using a std::unique_ptr, the Db instance is correctly released when CDB initialization fails. The internal CDB state and mapFileUseCount are only mutated when the CDB initialization succeeds. Github-Pull: #11492 Rebased-From: 7104de8b1f3a31d3a60009b5dc376adbedac6a9c
2017-11-01Ensure backupwallet fails when attempting to backup to source fileTomas van der Wansem
Previous behaviour was to destroy the wallet (to zero-length) Github-Pull: #11376 Rebased-From: 5d465e396249a0e2cc60b16984a2bdbe4c8993c3
2017-11-01Make listsinceblock refuse unknown block hashRussell Yanofsky
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. Github-Pull: #11565 Rebased-From: 659b2061c4329472a45e913c5d45e6ab180600a3 Tree-SHA512: 2091a830b730421b49c806cb83a16c7da2ec0a7adac2bac0585324aad12a32bb99a840264c3d346937ea84786fac56e44befb6641511a417977803875efe5a21
2017-10-19Remove my testnet DNS seed as I currently don't have the capacity to keep it ↵Andreas Schildbach
up to date. Github-Pull: #11527 Rebased-From: 132d3225f325b84afc282638c9e99623d249a52c Tree-SHA512: 3738afd8070fa601b5039e268088b7f3827613dbc37fae192b96b13c91f56d41fa3209533a3cad876c4e673b19015aabfce331b0b5f46a0ac518d00816e912a4
2017-10-18Merge #11447: 0.15.1: BackportsWladimir J. van der Laan
20cdc2b Fix importmulti bug when importing an already imported key (Pedro Branco) 405e069 Update importprivkey named args documentation (Dusty Williams) c94527a [Docs] Update Windows build instructions for using WSL and Ubuntu 17.04 (fanquake) 27e861a net: Improve and document SOCKS code (Wladimir J. van der Laan) dea3b87 Add new step to clean $PATH var by removing /mnt specific Window's %PATH% paths that cause issues with the make system (Donal OConnor) a43be5b rpc: Prevent `dumpwallet` from overwriting files (Wladimir J. van der Laan) b6c0209 Fix validationinterface build on super old boost/clang (Matt Corallo) 6a62c74 qt: Backup former GUI settings on `-resetguisettings` (Wladimir J. van der Laan) 0fe2a9a when clearing addrman clear mapInfo and mapAddr (Gregory Sanders) 6b4d9f2 wallet: update stored witness in AddToWallet (Suhas Daftuar) 62d18cd doc: Prepare release notes for 0.15.1 (MarcoFalke) 8b61aee Put back inadvertently removed copyright notices (Paul Berg) 75997c3 Disallow uncompressed pubkeys in bitcoin-tx [multisig] output adds (Matt Corallo) 8d13b42 Replace save|restoreWindowGeometry with Qt functions (MeshCollider) 6642558 [Qt] Add delay before filtering transactions Fixes 3141 (Lucas Betschart) 19d63e8 Remove custom fee radio group (Andrew Chow) b1a6c94 rpc: make estimatesmartfee argument naming consistent with documentation (Wladimir J. van der Laan) 921542e rpc: update cli for estimatefee argument rename (Wladimir J. van der Laan) 2e31b1d Fix division by zero in time remaining (MeshCollider) 47c02a8 qt: Use IsMine to validate custom change address (Chris Moore) 7310f1f [Qt] Fix display of package name on 'open config file' tooltip (Daniel Edgecumbe) 2cb720a Acquire cs_main lock before cs_wallet during wallet initialization (Russell Yanofsky) b278a43 rpc: Write authcookie atomically (Wladimir J. van der Laan) 50bd3f6 Avoid returning a BIP9Stats object with uninitialized values (practicalswift) 9e8aae3 [wallet] Close DB on error. (Karl-Johan Alm) Pull request description: This mostly backports various commits that fix(ed) bugs and issues. However, it also includes two patches for qt that only fix minor issues, as well as some doc patches. Tree-SHA512: 5165e309faf6b4395fdf2f6662ccc0d58306971f3769e675504f17b2055efe29b2919f22d0dbf78c4c2dc7fd5c9d08a2c53345615e4a1df73914526687c9d571
2017-10-17Fix importmulti bug when importing an already imported keyPedro Branco
Github-Pull: #11483 Rebased-From: a44a215177ab55b4a3b36a7980c313e908e2dd18
2017-10-09Update importprivkey named args documentationDusty Williams
Fixes #11462. Updated documentation for importprivkey function to use the correct name for the first argument. Also updates a call to importprivkey to use named args in functional test. Github-Pull: #11465 Rebased-From: aa57590d7c5eab1df5443e8ac9ed53ad0db46c02
2017-10-09net: Improve and document SOCKS codeWladimir J. van der Laan
Make the SOCKS code more consistent, and document the constants used. Github-Pull: #11397 Rebased-From: 22f816ef4dd57785627d801c247714cace7fc5b5
2017-10-04rpc: Prevent `dumpwallet` from overwriting filesWladimir J. van der Laan
Prevent arbitrary files from being overwritten. There have been reports that users have overwritten wallet files this way. It may also avoid other security issues. Fixes #9934. Adds mention to release notes and adds a test. Github-Pull: #9937 Rebased-From: 0cd9273fd959c6742574259d026039f7da0309a2
2017-10-04qa: Restore bitcoin-util-test py2 compatibilityMarcoFalke
Github-Pull: #11433 Rebased-From: fafff1220cf798e25f02cdd8affb70506dd366cc
2017-10-04Fix validationinterface build on super old boost/clangMatt Corallo
This should fix all the non-dependancy issues for termux builds. See Github issue #11388. Github-Pull: #11440 Rebased-From: 96c2ce9d343147608c197bc2333138b82141340f
2017-10-04qt: Backup former GUI settings on `-resetguisettings`Wladimir J. van der Laan
Writes the GUI settings to `guisettings.bak` in the data directory before wiping them. This can be used to retroactively troubleshoot issues (e.g. #11262) where `-resetguisettings` solves the problem. Github-Pull: #11338 Rebased-From: 723aa1b8752c1d6c6c0a76059c532ebe2f406fc1
2017-10-04when clearing addrman clear mapInfo and mapAddrGregory Sanders
Github-Pull: #11252 Rebased-From: b86a42077a134888c53bfd406b87bf0a39c78264
2017-10-04wallet: update stored witness in AddToWalletSuhas Daftuar
Replace witness-stripped wallet transactions with full transactions; this can happen when upgrading from a pre-segwit wallet to a segwit- aware wallet. Github-Pull: #11225 Rebased-From: d01a9682b126a5f83c7311e652e6e62f2c2e1d20
2017-10-03Verify DBWrapper iterators are taking snapshotsMatt Corallo
The LevelDB docs seem to indicate that an iterator will not take snapshots (even providing instructions on how to do so yourself). In several of the places we use them, we assume snapshots to have been taken. In order to make sure LevelDB doesn't change out from under us (and to prevent the next person who reads the docs from having the same fright I did), verify that snapshots are taken in our tests. Github-Pull: #11422 Rebased-From: bb8376bbc3d96af727444f90e5f60d47105609dc
2017-10-03[script] Unit tests for IsMineJim Posen
Does not test watch-only addresses. Github-Pull: #11116 Rebased-From: 7a1e873b27b790c965d9927ecd465710dc103136
2017-10-03[script] Unit tests for script/standard functionsJim Posen
Github-Pull: #11116 Rebased-From: d7afe2d1577eb3f6775301c81b94a191e0db99d9
2017-10-03Disallow uncompressed pubkeys in bitcoin-tx [multisig] output addsMatt Corallo
Github-Pull: #11377 Rebased-From: 28d4542a0ac77a30a242d0568e580a5b437f53fa
2017-10-03Replace save|restoreWindowGeometry with Qt functionsMeshCollider
Github-Pull: #11335 Rebased-From: 13baf7217bf8394ae02efc376208ae86eac4d0f6
2017-10-03[Qt] Add delay before filtering transactionsLucas Betschart
Fixes 3141 Github-Pull: #11015 Rebased-From: 7b137acedd5e2ff3fe5395a927c546a528b0cac6
2017-10-03Remove custom fee radio groupAndrew Chow
Removes the extraneous custom fee radio group and its single radio button. The radio button is replaced with a label that has the radio button's text. Github-Pull: #11334 Rebased-From: e53fa4a1ca58ef46416c4a96542722601fb75c5a
2017-10-03rpc: make estimatesmartfee argument naming consistent with documentationWladimir J. van der Laan
Github-Pull: #11267 Rebased-From: 5acd82de9ad6df8cab922da66d49b8ff2bd35439