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2017-04-13Merge #9665: Use cached [compact] blocks to respond to getdata messagesWladimir J. van der Laan
b49ad44 Add comment about cs_most_recent_block coverage (Matt Corallo) c47f5b7 Cache witness-enabled state with recent-compact-block-cache (Matt Corallo) efc135f Use cached [compact] blocks to respond to getdata messages (Matt Corallo) Tree-SHA512: ffc478bddbf14b8ed304a3041f47746520ce545bdeffa9652eff2ccb25c8b0d5194abe72568c10f9c1b246ee361176ba217767af834752a2ca7263d292005e87
2017-04-10Merge #9725: CValidationInterface CleanupsWladimir J. van der Laan
b1a6d4c Take a CTransactionRef in AddToWalletIfInvolvingMe to avoid a copy (Matt Corallo) 1c95e2f Use std::shared_ptr instead of boost::shared_ptr in ScriptForMining (Matt Corallo) 91f1e6c Remove dead-code tracking of requests for blocks we generated (Matt Corallo) acad82f Add override to functions using CValidationInterface methods (Matt Corallo) e6d5e6c Hold cs_wallet for whole block [dis]connection processing (Matt Corallo) 461e49f SyncTransaction->TxAddedToMempool/BlockConnected/Disconnected (Matt Corallo) f404334 Handle SyncTransaction in ActivateBestChain instead of ConnectTrace (Matt Corallo) a147687 Keep conflictedTxs in ConnectTrace per-block (Matt Corallo) d3167ba Handle conflicted transactions directly in ConnectTrace (Matt Corallo) 29e6e23 Make ConnectTrace::blocksConnected private, hide behind accessors (Matt Corallo) 822000c Add pblock to connectTrace at the end of ConnectTip, not start (Matt Corallo) f5e9a01 Include missing #include in zmqnotificationinterface.h (Matt Corallo) Tree-SHA512: 8893d47559da3b28d2ef7359768547cba8a4b43b6f891d80f5848f995a84b1517bfb0f706fdc8cd43f09a1350349eb440d9724a59363ab517dfcc4fcb31b2018
2017-04-10Merge #10135: [p2p] Send the correct error code in reject messagesWladimir J. van der Laan
5d08c9c Send the correct error code in reject messages (John Newbery) Tree-SHA512: 0cd3ef3ae202584b138cc0bbfba4125635822e0c5a755fb9276a604b39286959ab22dabc3104aa5d7e71358cd69d965de2a333ff04bf3e8ed43cf0296ac01264
2017-04-07SyncTransaction->TxAddedToMempool/BlockConnected/DisconnectedMatt Corallo
This simplifies fixing the wallet-returns-stale-info issue as we can now hold cs_wallet across an entire block instead of only per-tx (though we only actually do so in the next commit). This change also removes the NOT_IN_BLOCK constant in favor of only passing the CBlockIndex* parameter to SyncTransactions when a new block is being connected, instead of also when a block is being disconnected. This change adds a parameter to BlockConnectedDisconnected which lists the transactions which were removed from mempool due to confliction as a result of this operation. While its somewhat of a shame to make block-validation-logic generate a list of mempool changes to be included in its generated callbacks, fixing this isnt too hard. Further in this change-set, CValidationInterface starts listening to mempool directly, placing it in the middle and giving it a bit of logic to know how to route notifications from block-validation, mempool, etc (though not listening for conflicted-removals yet).
2017-04-01Change LogAcceptCategory to use uint32_t rather than sets of strings.Gregory Maxwell
This changes the logging categories to boolean flags instead of strings. This simplifies the acceptance testing by avoiding accessing a scoped static thread local pointer to a thread local set of strings. It eliminates the only use of boost::thread_specific_ptr outside of lockorder debugging. This change allows log entries to be directed to multiple categories and makes it easy to change the logging flags at runtime (e.g. via an RPC, though that isn't done by this commit.) It also eliminates the fDebug global. Configuration of unknown logging categories now produces a warning.
2017-03-31Send the correct error code in reject messagesJohn Newbery
2017-03-03No longer allow "free" transactionsAlex Morcos
Remove -limitfreerelay and always enforce minRelayTxFee in the mempool (except from disconnected blocks) Remove -relaypriority, the option was only used for the ability to allow free transactions to be relayed regardless of their priority. Both notions no longer apply.
2017-02-23Add comment about cs_most_recent_block coverageMatt Corallo
2017-02-23Cache witness-enabled state with recent-compact-block-cacheMatt Corallo
2017-02-23Use cached [compact] blocks to respond to getdata messagesMatt Corallo
2017-02-14Merge #9720: net: fix banning and disallow sending messages before receiving ↵Wladimir J. van der Laan
verack d943491 qa: add a test to detect leaky p2p messages (Cory Fields) 8650bbb qa: Expose on-connection to mininode listeners (Matt Corallo) 5b5e4f8 qa: mininode learns when a socket connects, not its first action (Matt Corallo) cbfc5a6 net: require a verack before responding to anything else (Cory Fields) 8502e7a net: parse reject earlier (Cory Fields) c45b9fb net: correctly ban before the handshake is complete (Cory Fields)
2017-02-13net: require a verack before responding to anything elseCory Fields
7a8c251901 made this logic hard to follow. After that change, messages would not be sent to a peer via SendMessages() before the handshake was complete, but messages could still be sent as a response to an incoming message. For example, if a peer had not yet sent a verack, we wouldn't notify it about new blocks, but we would respond to a PING with a PONG. This change makes the behavior straightforward: until we've received a verack, never send any message other than version/verack/reject. The behavior until a VERACK is received has always been undefined, this change just tightens our policy. This also makes testing much easier, because we can now connect but not send version/verack, and anything sent to us is an error.
2017-02-13net: parse reject earlierCory Fields
Prior to this change, all messages were ignored until a VERSION message was received, as well as possibly incurring a ban score. Since REJECT messages can be sent at any time (including as a response to a bad VERSION message), make sure to always parse them. Moving this parsing up keeps it from being caught in the if (pfrom->nVersion == 0) check below.
2017-02-13net: correctly ban before the handshake is completeCory Fields
7a8c251901 made a change to avoid getting into SendMessages() until the version handshake (VERSION + VERACK) is complete. That was done to avoid leaking out messages to nodes who could connect, but never bothered sending us their version/verack. Unfortunately, the ban tally and possible disconnect are done as part of SendMessages(). So after 7a8c251901, if a peer managed to do something bannable before completing the handshake (say send 100 non-version messages before their version), they wouldn't actually end up getting disconnected/banned. That's fixed here by checking the banscore as part of ProcessMessages() in addition to SendMessages().
2017-02-10Move CNode::addrLocal access behind locked accessorsMatt Corallo
2017-02-10Move CNode::addrName accesses behind locked accessorsMatt Corallo
2017-02-10Make nTimeBestReceived atomicMatt Corallo
2017-02-10Move [clean|str]SubVer writes/copyStats into a lockMatt Corallo
2017-02-10net: fix a few races. Credit @TheBlueMattCory Fields
These are (afaik) all long-standing races or concurrent accesses. Going forward, we can clean these up so that they're not all individual atomic accesses. - Reintroduce cs_vRecv to guard receive-specific vars - Lock vRecv/vSend for CNodeStats - Make some vars atomic. - Only set the connection time in CNode's constructor so that it doesn't change
2017-02-07Merge #9604: [Trivial] add comment about setting peer as HB peer.Wladimir J. van der Laan
dd5b011 [Trivial] add comment about setting peer as HB peer. (John Newbery)
2017-02-06Merge #9659: Net: Turn some methods and params/variables constWladimir J. van der Laan
0729102 Net: pass interruptMsgProc as const where possible (Jorge Timón) fc7f2ff Net: Make CNetMsgMaker more const (Jorge Timón) d45955f Net: CConnman: Make some methods const (Jorge Timón)
2017-02-02net: Disallow sending messages until the version handshake is completeCory Fields
This is a change in behavior, though it's much more sane now than before.
2017-02-02net: deserialize the entire version message locallyCory Fields
This avoids having some vars set if the version negotiation fails. Also copy it all into CNode at the same site. nVersion and fSuccessfullyConnected are set last, as they are the gates for the other vars. Make them atomic for that reason.
2017-02-02Dont deserialize nVersion into CNode, should fix #9212Matt Corallo
2017-01-31Net: pass interruptMsgProc as const where possibleJorge Timón
2017-01-31Net: Make CNetMsgMaker more constJorge Timón
2017-01-27Refactor: Remove using namespace <xxx> from src/*.cpp.Karl-Johan Alm
2017-01-26Merge #9594: Send final alert message to older peers after connecting.Wladimir J. van der Laan
8ff8d21 Send final alert message to older peers after connecting. (Gregory Maxwell)
2017-01-20[Trivial] add comment about setting peer as HB peer.John Newbery
This adds a comment to the new logic for setting HB peers based on block validation (and aligns the code below to reflect the comment). It's not obvious why we're checking mapBlocksInFlight. Add a comment to explain.
2017-01-20Do not shadow local variable named `tx`.Pavel Janík
2017-01-20Send final alert message to older peers after connecting.Gregory Maxwell
The old Bitcoin alert system has long since been retired. ( See also: https://bitcoin.org/en/alert/2016-11-01-alert-retirement ) This change causes each node to send any old peers that it connects with a copy of the final alert. The alert it hardcode cancels all other alerts including other final alerts.
2017-01-19Merge #9499: Use recent-rejects, orphans, and recently-replaced txn for ↵Wladimir J. van der Laan
compact-block-reconstruction c594580 Add braces around AddToCompactExtraTransactions (Matt Corallo) 1ccfe9b Clarify comment about mempool/extra conflicts (Matt Corallo) fac4c78 Make PartiallyDownloadedBlock::InitData's second param const (Matt Corallo) b55b416 Add extra_count lower bound to compact reconstruction debug print (Matt Corallo) 863edb4 Consider all (<100k memusage) txn for compact-block-extra-txn cache (Matt Corallo) 7f8c8ca Consider all orphan txn for compact-block-extra-txn cache (Matt Corallo) 93380c5 Use replaced transactions in compact block reconstruction (Matt Corallo) 1531652 Keep shared_ptrs to recently-replaced txn for compact blocks (Matt Corallo) edded80 Make ATMP optionally return the CTransactionRefs it replaced (Matt Corallo) c735540 Move ORPHAN constants from validation.h to net_processing.h (Matt Corallo)
2017-01-16Add braces around AddToCompactExtraTransactionsMatt Corallo
2017-01-16Merge #9561: Wake message handling thread when we receive a new blockPieter Wuille
241d893 Wake message handling thread when we receive a new block (Matt Corallo) f13914a Make WakeMessageHandler public (Matt Corallo)
2017-01-15Merge #9400: Set peers as HB peers upon full block validationPieter Wuille
d4781ac Set peers as HB peers upon full block validation (Gregory Sanders)
2017-01-15Merge #9486: Make peer=%d log prints consistentWladimir J. van der Laan
e6111b2 Make peer id logging consistent ("peer=%d" instead of "peer %d") (Matt Corallo)
2017-01-14Wake message handling thread when we receive a new blockMatt Corallo
This forces the message handling thread to make another full iteration of SendMessages prior to going back to sleep, ensuring we announce the new block to all peers before sleeping.
2017-01-13Merge #9375: Relay compact block messages prior to full block connectionPieter Wuille
02ee4eb Make most_recent_compact_block a pointer to a const (Matt Corallo) 73666ad Add comment to describe callers to ActivateBestChain (Matt Corallo) 962f7f0 Call ActivateBestChain without cs_main/with most_recent_block (Matt Corallo) 0df777d Use a temp pindex to avoid a const_cast in ProcessNewBlockHeaders (Matt Corallo) c1ae4fc Avoid holding cs_most_recent_block while calling ReadBlockFromDisk (Matt Corallo) 9eb67f5 Ensure we meet the BIP 152 old-relay-types response requirements (Matt Corallo) 5749a85 Cache most-recently-connected compact block (Matt Corallo) 9eaec08 Cache most-recently-announced block's shared_ptr (Matt Corallo) c802092 Relay compact block messages prior to full block connection (Matt Corallo) 6987219 Add a CValidationInterface::NewPoWValidBlock callback (Matt Corallo) 180586f Call AcceptBlock with the block's shared_ptr instead of CBlock& (Matt Corallo) 8baaba6 [qa] Avoid race in preciousblock test. (Matt Corallo) 9a0b2f4 [qa] Make compact blocks test construction using fetch methods (Matt Corallo) 8017547 Make CBlockIndex*es in net_processing const (Matt Corallo)
2017-01-13Make most_recent_compact_block a pointer to a constMatt Corallo
2017-01-13Merge #9441: Net: Massive speedup. Net locks overhaulPieter Wuille
e60360e net: remove cs_vRecvMsg (Cory Fields) 991955e net: add a flag to indicate when a node's send buffer is full (Cory Fields) c6e8a9b net: add a flag to indicate when a node's process queue is full (Cory Fields) 4d712e3 net: add a new message queue for the message processor (Cory Fields) c5a8b1b net: rework the way that the messagehandler sleeps (Cory Fields) c72cc88 net: remove useless comments (Cory Fields) ef7b5ec net: Add a simple function for waking the message handler (Cory Fields) f5c36d1 net: record bytes written before notifying the message processor (Cory Fields) 60befa3 net: handle message accounting in ReceiveMsgBytes (Cory Fields) 56212e2 net: set message deserialization version when it's actually time to deserialize (Cory Fields) 0e973d9 net: remove redundant max sendbuffer size check (Cory Fields) 6042587 net: wait until the node is destroyed to delete its recv buffer (Cory Fields) f6315e0 net: only disconnect if fDisconnect has been set (Cory Fields) 5b4a8ac net: make GetReceiveFloodSize public (Cory Fields) e5bcd9c net: make vRecvMsg a list so that we can use splice() (Cory Fields) 53ad9a1 net: fix typo causing the wrong receive buffer size (Cory Fields)
2017-01-12net: remove cs_vRecvMsgCory Fields
vRecvMsg is now only touched by the socket handler thread. The accounting vars (nRecvBytes/nLastRecv/mapRecvBytesPerMsgCmd) are also only used by the socket handler thread, with the exception of queries from rpc/gui. These accesses are not threadsafe, but they never were. This needs to be addressed separately. Also, update comment describing data flow
2017-01-12net: add a flag to indicate when a node's send buffer is fullCory Fields
Similar to the recv flag, but this one indicates whether or not the net's send buffer is full. The socket handler checks the send queue when a new message is added and pauses if necessary, and possibly unpauses after each message is drained from its buffer.
2017-01-12net: add a flag to indicate when a node's process queue is fullCory Fields
Messages are dumped very quickly from the socket handler to the processor, so it's the depth of the processing queue that's interesting. The socket handler checks the process queue's size during the brief message hand-off and pauses if necessary, and the processor possibly unpauses each time a message is popped off of its queue.
2017-01-12net: add a new message queue for the message processorCory Fields
This separates the storage of messages from the net and queued messages for processing, allowing the locks to be split.
2017-01-12net: rework the way that the messagehandler sleepsCory Fields
In order to sleep accurately, the message handler needs to know if _any_ node has more processing that it should do before the entire thread sleeps. Rather than returning a value that represents whether ProcessMessages encountered a message that should trigger a disconnnect, interpret the return value as whether or not that node has more work to do. Also, use a global fProcessWake value that can be set by other threads, which takes precedence (for one cycle) over the messagehandler's decision. Note that the previous behavior was to only process one message per loop (except in the case of a bad checksum or invalid header). That was changed in PR #3180. The only change here in that regard is that the current node now falls to the back of the processing queue for the bad checksum/invalid header cases.
2017-01-12net: remove useless commentsCory Fields
2017-01-12Merge #9261: Add unstored orphans with rejected parents to recentRejectsWladimir J. van der Laan
dfbe0d5 Add unstored orphans with rejected parents to recentRejects (Alex Morcos)
2017-01-11Call ActivateBestChain without cs_main/with most_recent_blockMatt Corallo
There is still a call to ActivateBestChain with cs_main if a peer requests the block prior to it being validated, but this one is more specifically-gated, so should be less of an issue.
2017-01-10Consider all (<100k memusage) txn for compact-block-extra-txn cacheMatt Corallo
2017-01-10Consider all orphan txn for compact-block-extra-txn cacheMatt Corallo