Commit Graph

13741 Commits

Author SHA1 Message Date
Will Wray
ace00175c4 build: silence gcc7's implicit fallthrough warning (#1622)
This is a well-intentioned but realistically annoying warning. Unfortunately,
it's too easy for a warning in one header to cause dozens of repeated warnings.
https://github.com/bitcoin/bitcoin/pull/10489
2017-09-14 14:42:49 +03:00
Ilya Savinov
6a6b31b74d Dip0001-related adjustments (inc. constants) (#1621)
* block size related constants adjusted; other minor fixes

* revert constants related to storing blocks on disk

* move AssertLockHeld to a separate PR
2017-09-14 14:42:37 +03:00
UdjinM6
5f4362cb82 fix SPORK_5_INSTANTSEND_MAX_VALUE validation in CWallet::CreateTransaction (#1619) 2017-09-14 14:41:58 +03:00
UdjinM6
84ecccefce InstandSend overhaul (#1592)
* InstandSend overhaul
- relay conflicting votes to detect attack earlier and PoSe-ban attacking masternode(s)
- cancel conflicting completed locks
- do not overwrite mempool or reprocess blocks
- 15 sec timeout/window to lock tx

* check nValueIn for SPORK_5_INSTANTSEND_MAX_VALUE (instead of nValueOut)

* relay valid vote asap

* ignore votes for spent coins, consider them invalid
2017-09-14 14:41:40 +03:00
krychlicki
6ff7b7aa54 fix TrafficGraphData bandwidth calculation (#1618)
* recalculate average bandwidth for given range

* tests for bandwidth calculation
2017-09-12 17:33:48 +03:00
UdjinM6
33e460f306 Fix losing keys on PrivateSend (#1616)
* reserve colateral keey only if needed

reserve colateral keey only if needed -> fix losing one key on every
subsequent CreateDonominate

* Adding KeyHolder and KeyHolderStorage

Adding KeyHolder and KeyHolderStorage to store keys used in PrivateSend
until status of mixing is known.

* Removing ClearOn... methods. Instead of calling directly KeepAll/ReplaceAll.

* remove usage of shared_ptr

* use unique_ptr

* follow naming convention

* use CKeyHolderStorage in CreateDenominated too

* adjust log messages

* return keys on POOL_STATE_ERROR, keep keys on POOL_STATE_SUCCESS

* Disable copy/assign and allow move

* Use keyHolderStorageDenom for collateral output in CreateDenominated
2017-09-11 17:14:55 +03:00
UdjinM6
05da4557d0 Refactor masternode management (#1611)
* Store masternodes in a map instead of a vector, drop unused functions in CMasternodeMan

* CTxIn vin -> COutPoint outpoint

* do not use CMasternodeMan::Find outside of the class

* update GetMasternodeInfo

* safe version of GetNextMasternodeInQueueForPayment

* fix ProcessMasternodeConnections

* bump CMasternodeMan::SERIALIZATION_VERSION_STRING
2017-09-11 17:13:48 +03:00
UdjinM6
cd262bf641 DIP0001 implementation (#1594)
* DIP0001 implementation

* add option in ComputeBlockVersion to assume that masternode is upgraded (and skip rank calculation)

* fix mainnet DIP0001 nTimeout

* schedule DIP0001 testnet activation start for Sep 18th, 2017 (bump timeout too)
2017-09-11 17:13:30 +03:00
Alexander Block
91d99fcd3f Backport Bitcoin Qt/Gui changes up to 0.14.x part 3 (#1617)
* Merge #8996: Network activity toggle

19f46f1 Qt: New network_disabled icon (Luke Dashjr)
54cf997 RPC/Net: Use boolean consistently for networkactive, and remove from getinfo (Luke Dashjr)
b2b33d9 Overhaul network activity toggle (Jonas Schnelli)
32efa79 Qt: Add GUI feedback and control of network activity state. (Jon Lund Steffensen)
e38993b RPC: Add "togglenetwork" method to toggle network activity temporarily (Jon Lund Steffensen)
7c9a98a Allow network activity to be temporarily suspended. (Jon Lund Steffensen)

* Revert on-click behavior of network status icon to showing peers list

Stay with the way Dash handled clicking on the status icon

* Add theme support for network disabled icon

* Merge #8874: Multiple Selection for peer and ban tables

1077577 Fix auto-deselection of peers (Andrew Chow)
addfdeb Multiple Selection for peer and ban tables (Andrew Chow)

* Merge #9190: qt: Plug many memory leaks

ed998ea qt: Avoid OpenSSL certstore-related memory leak (Wladimir J. van der Laan)
5204598 qt: Avoid shutdownwindow-related memory leak (Wladimir J. van der Laan)
e4f126a qt: Avoid splash-screen related memory leak (Wladimir J. van der Laan)
693384e qt: Prevent thread/memory leak on exiting RPCConsole (Wladimir J. van der Laan)
47db075 qt: Plug many memory leaks (Wladimir J. van der Laan)

* Merge #9218: qt: Show progress overlay when clicking spinner icon

042f9fa qt: Show progress overlay when clicking spinner icon (Wladimir J. van der Laan)
827d9a3 qt: Replace NetworkToggleStatusBarControl with generic ClickableLabel (Wladimir J. van der Laan)

* Merge #9266: Bugfix: Qt/RPCConsole: Put column enum in the right places

df17fe0 Bugfix: Qt/RPCConsole: Put column enum in the right places (Luke Dashjr)

* Merge #9255: qt: layoutAboutToChange signal is called layoutAboutToBeChanged

f36349e qt: Remove on_toggleNetworkActiveButton_clicked from RPCConsole (Wladimir J. van der Laan)
297cc20 qt: layoutAboutToChange signal is called layoutAboutToBeChanged (Wladimir J. van der Laan)

* Use UniValue until bitcoin PR #8788 is backported

Network active toggle was already based on
"[RPC] Give RPC commands more information about the RPC request"
We need to use the old UniValue style until that one is backported

* Merge #8906: [qt] sync-overlay: Don't show progress twice

fafeec3 [qt] sync-overlay: Don't show progress twice (MarcoFalke)

* Merge #8985: Use pindexBestHeader instead of setBlockIndexCandidates for NotifyHeaderTip()

3154d6e [Qt] use NotifyHeaderTip's height and date for the progress update (Jonas Schnelli)
0a261b6 Use pindexBestHeader instead of setBlockIndexCandidates for NotifyHeaderTip() (Jonas Schnelli)

* Merge #9280: [Qt] Show ModalOverlay by pressing the progress bar, allow hiding

89a3723 [Qt] Show ModalOverlay by pressing the progress bar, disabled show() in sync mode (Jonas Schnelli)

* Merge #9461: [Qt] Improve progress display during headers-sync and peer-finding

40ec7c7 [Qt] Improve progress display during headers-sync and peer-finding (Jonas Schnelli)

* Merge #9588: qt: Use nPowTargetSpacing constant

fa4d478 qt: Use nPowTargetSpacing constant (MarcoFalke)

* Hide modal overlay forever when syncing has catched up

Don't allow to open it again by clicking on the progress bar and spinner
icon. Currently the overlay does not show meaningful information about
masternode sync and it gives the impression of being stuck after the block
chain sync is done.

* Don't include chainparams.h in sendcoinsdialog.cpp

This was just a remainder of a backported PR which meant to change some
calculation in this file which does not apply to Dash.

* Also check for fNetworkActive in ConnectNode

* Merge #9528: [qt] Rename formateNiceTimeOffset(qint64) to formatNiceTimeOffset(qint64)

988d300 [qt] Rename formateNiceTimeOffset(qint64) to formatNiceTimeOffset(qint64) (practicalswift)

* Merge #11237: qt: Fixing division by zero in time remaining

c8d38abd6 Refactor tipUpdate as per style guide (MeshCollider)
3b69a08c5 Fix division by zero in time remaining (MeshCollider)

Pull request description:

  Fixes https://github.com/bitcoin/bitcoin/issues/10291, https://github.com/bitcoin/bitcoin/issues/11265

  progressDelta may be 0 (or even negative according to 11265), this checks for that and prints unknown if it is, because we cannot calculate an estimate for the time remaining (would be infinite or negative).

Tree-SHA512: bc5708e5ed6e4670d008219558c5fbb25709bd99a32c98ec39bb74f94a0b7fa058f3d03389ccdd39e6723e6b5b48e34b13ceee7c051c2db631e51d8ec3e1d68c
2017-09-11 16:38:14 +03:00
Alexander Block
9707ca5cea Backport Bitcoin Qt/Gui changes up to 0.14.x part 2 (#1615)
* Merge #7506: Use CCoinControl selection in CWallet::FundTransaction

d6cc6a1 Use CCoinControl selection in CWallet::FundTransaction (João Barbosa)

* Merge #7732: [Qt] Debug window: replace "Build date" with "Datadir"

fc737d1 [Qt] remove unused formatBuildDate method (Jonas Schnelli)
4856f1d [Qt] Debug window: replace "Build date" with "Datadir" (Jonas Schnelli)

* Merge #7707: [RPC][QT] UI support for abandoned transactions

8efed3b [Qt] Support for abandoned/abandoning transactions (Jonas Schnelli)

* Merge #7688: List solvability in listunspent output and improve help

c3932b3 List solvability in listunspent output and improve help (Pieter Wuille)

* Merge #8006: Qt: Add option to disable the system tray icon

8b0e497 Qt: Add option to hide the system tray icon (Tyler Hardin)

* Merge #8073: qt: askpassphrasedialog: Clear pass fields on accept

02ce2a3 qt: askpassphrasedialog: Clear pass fields on accept (Pavel Vasin)

* Merge #8231: [Qt] fix a bug where the SplashScreen will not be hidden during startup

b3e1348 [Qt] fix a bug where the SplashScreen will not be hidden during startup (Jonas Schnelli)

* Merge #8257: Do not ask a UI question from bitcoind

1acf1db Do not ask a UI question from bitcoind (Pieter Wuille)

* Merge #8463: [qt] Remove Priority from coincontrol dialog

fa8dd78 [qt] Remove Priority from coincontrol dialog (MarcoFalke)

* Merge #8678: [Qt][CoinControl] fix UI bug that could result in paying unexpected fee

0480293 [Qt][CoinControl] fix UI bug that could result in paying unexpected fee (Jonas Schnelli)

* Merge #8672: Qt: Show transaction size in transaction details window

c015634 qt: Adding transaction size to transaction details window (Hampus Sjöberg)
 \-- merge fix for s/size/total size/
fdf82fb Adding method GetTotalSize() to CTransaction (Hampus Sjöberg)

* Merge #8371: [Qt] Add out-of-sync modal info layer

08827df [Qt] modalinfolayer: removed unused comments, renamed signal, code style overhaul (Jonas Schnelli)
d8b062e [Qt] only update "amount of blocks left" when the header chain is in-sync (Jonas Schnelli)
e3245b4 [Qt] add out-of-sync modal info layer (Jonas Schnelli)
e47052f [Qt] ClientModel add method to get the height of the header chain (Jonas Schnelli)
a001f18 [Qt] Always pass the numBlocksChanged signal for headers tip changed (Jonas Schnelli)
bd44a04 [Qt] make Out-Of-Sync warning icon clickable (Jonas Schnelli)
0904c3c [Refactor] refactor function that forms human readable text out of a timeoffset (Jonas Schnelli)

* Merge #8805: Trivial: Grammar and capitalization

c9ce17b Trivial: Grammar and capitalization (Derek Miller)

* Merge #8885: gui: fix ban from qt console

cb78c60 gui: fix ban from qt console (Cory Fields)

* Merge #8821: [qt] sync-overlay: Don't block during reindex

fa85e86 [qt] sync-overlay: Don't show estimated number of headers left (MarcoFalke)
faa4de2 [qt] sync-overlay: Don't block during reindex (MarcoFalke)

* Support themes for new transaction_abandoned icon

* Fix constructor call to COutput

* Merge #7842: RPC: do not print minping time in getpeerinfo when no ping received yet

62a6486 RPC: do not print ping info in getpeerinfo when no ping received yet, fix help (Pavel Janík)

* Merge #8918: Qt: Add "Copy URI" to payment request context menu

21f5a63 Qt: Add "Copy URI" to payment request context menu (Luke Dashjr)

* Merge #8925: qt: Display minimum ping in debug window.

1724a40 Display minimum ping in debug window. (R E Broadley)

* Merge #8972: [Qt] make warnings label selectable (jonasschnelli)

ef0c9ee [Qt] make warnings label selectable (Jonas Schnelli)

* Make background of warning icon transparent in modaloverlay

* Merge #9088: Reduce ambiguity of warning message

77cbbd9 Make warning message about wallet balance possibly being incorrect less ambiguous. (R E Broadley)

* Replace Bitcoin with Dash in modal overlay

* Remove clicked signals from labelWalletStatus and labelTransactionsStatus

As both are really just labels, clicking on those is not possible.
This is different in Bitcoin, where these labels are actually buttons.

* Pull out modaloverlay show/hide into it's own if/else block and switch to time based check

Also don't use masternodeSync.IsBlockchainSynced() for now as it won't
report the blockchain being synced before the first block (or other MN
data?) arrives. This would otherwise give the impression that sync is
being stuck.
2017-09-09 10:04:02 +03:00
Alexander Block
690cb58f80 Backport Bitcoin Qt/Gui changes up to 0.14.x part 1 (#1614)
* Merge pull request #7154

a3c3ddb [Qt] add InMempool() info to transaction details (Jonas Schnelli)

* Merge pull request #7218

fa5769e [qt] Fix misleading translation (MarcoFalke)
fa8c8d7 torcontrol debug: Change to a blanket message that covers both cases (MarcoFalke)

* Merge pull request #7255

6fd0a07 Remove hardcoded fee from CoinControl ToolTip (fanquake)
5fdf32d Replace some instances of formatWithUnit with formatHtmlWithUnit (fanquake)

* Merge pull request #7263

a5a0831 Double semicolon cleanup. (21E14)

* Merge pull request #7334

fa989fb [qt] coincontrol workaround is still needed in qt5.4 (fixed in qt5.5) (MarcoFalke)

* Merge pull request #7329

9d263bd Typo fixes in comments (Chris Wheeler)

* Merge #7396: [Qt] Add option to increase/decrease font size in the console window

43abb02 [Qt] Add a new chevron/arrow icon for the console prompt line (Jonas Schnelli)
56c9e66 [Qt] keep scroll position in GUI console after changing font size (Jonas Schnelli)
3a3a927 [Qt] Add option to increase/decrease font size in the console window (Jonas Schnelli)

* Merge #7628: QT: Add 'copy full transaction details' option

b51ed40 QT: Add 'copy full transaction details' option (Eric Shaw)

* Merge #7668: Fix history deletion bug after font size change

21e45a0 Fix history deletion bug after font change (Andrew C)

* Copy/Move font size related icons into theme folders

* Use formatTxDate for date/time in TxPlainTextRole
2017-09-07 18:59:00 +03:00
Oleg Girko
8da26da713 Eliminate g_connman use in spork module. (#1613)
Pass reference to CConnman instance to methods of CSporkManager and
CSporkMessage instead of using g_connman global variable.

Signed-off-by: Oleg Girko <ol@infoserver.lv>
2017-09-07 18:58:38 +03:00
Oleg Girko
91ae0b712a Use connman passed to ThreadSendAlert() instead of g_connman global. (#1610)
There is no reason to use g_connman global variable in ThreadSendAlert()
because reference to CConnman instance is already passed to it as argument.

This was overlooked when refactoring sendalert module, it's time to fix it.

Signed-off-by: Oleg Girko <ol@infoserver.lv>
2017-09-05 13:53:28 +03:00
thephez
5617aef079 Documentation: Update undocumented messages in protocol-documentation.md (#1596)
* Add protocol details for mnv, dsf, dsc, govsync, dseg, ssc, and mnget messages
Remove duplicate ix message

* Update markdown table formatting

* Add CTransaction

* Add links from field name to Common Structures for reference

* Add CService structure and update links
2017-09-05 13:53:15 +03:00
Alexander Block
169afafd50 Fix duplicate headers download in initial sync (#1589)
* Fix duplicate headers download in initial sync

Now that initial block download is delayed until the headers sync is done,
it was noticed that the initial headers sync may happen multiple times in
parallel in the case new blocks are announced. This happens because for
every block in INV that is received, a getheaders message is immediately
sent out resulting in a full download of the headers chain starting from
the point of where the initial headers sync is currently at. This happens
once for each peer that announces the new block. This slows down the
initial headers sync and increases the chance of another block being
announced before it is finished, probably leading to the same behavior
as already described, slowing down the sync even more...and so on.

This commit delays sending of GETHEADERS to later in case the chain is too
far behind while a new block gets announced. Header chains will still be
downloaded multiple times, but the downloading will start much closer
to the tip of the chain, so the damage is not that bad anymore.

This ensures that we get all headers from all peers, even if any of them
is on another chain. This should avoid what happened in
https://github.com/bitcoin/bitcoin/pull/8054
which needed to be reverted later.

This fixes the Bitcoin issue https://github.com/bitcoin/bitcoin/issues/6755

* Introduce DelayGetHeadersTime chain param and fix tests

The delaying of GETHEADERS in combination with very old block times in
test cases resulted in the delaying being triggered when the first newly
mined block arrives. This results in a completely stalled sync.

This is fixed by avoiding delaying in when running tests.

* Disconnect peers which are not catched up

Peers which stop sending us headers too early are very likely peers which
did not catch up before and stalled for some reason. We should disconnect
these peers and chose another one to continue.
2017-09-04 09:10:52 +03:00
UdjinM6
6496fc9dad fix off-by-1 in CSuperblock::GetPaymentsLimit (#1598) 2017-09-03 16:31:14 +03:00
UdjinM6
82595b1b91 fix number of blocks to wait after successful mixing tx (#1597) 2017-09-03 16:30:58 +03:00
UdjinM6
4f0618ae8a Fix sync issues (#1599)
- add `MASTERNODE_SYNC_WAITING` sync state/asset and initial timeout
- wait for block headers to be downloaded (new signal `AcceptedBlockHeader`)
- wait for blocks to reach best headers tip before switching to masternode list sync (new signal `NotifyHeaderTip`)
- switched sync from `UpdatedBlockTip` to a combination of `AcceptedBlockHeader` and `NotifyHeaderTip`
- all blockchain-related bumps should take place only while we are still syncing blockchain, should be no such bumps after that
2017-09-03 16:30:08 +03:00
Oleg Girko
b82b9787d2 Backport Bitcoin PR#8128: Net: Turn net structures into dumb storage classes (#1604)
* net: Split resolving out of CNetAddr

* net: Split resolving out of CService

* net: Split resolving out of CSubNet

* net: move CNetAddr/CService/CSubNet out of netbase

* net: narrow include scope after moving to netaddress

Net functionality is no longer needed for CAddress/CAddrman/etc. now that
CNetAddr/CService/CSubNet are dumb storage classes.

* net: Add direct tests for new CSubNet constructors

* net: Have LookupNumeric return a CService directly

Also fix up a few small issues:
- Lookup with "badip:port" now sets the port to 0
- Don't allow assert to have side-effects

* net: fixup nits
2017-09-03 16:29:10 +03:00
Gavin Westwood
b22cda4df0 typo: "Writting" -> "Writing" (#1605)
Correct 'Writting' to 'Writing' in log file messages.
2017-09-03 16:28:53 +03:00
Oleg Girko
b41d9eac22 Backport Bitcoin PR#7868: net: Split DNS resolving functionality out of net structures (#1601)
* net: require lookup functions to specify all arguments

To make it clear where DNS resolves are happening

* net: manually resolve dns seed sources

Note: Some seeds aren't actually returning an IP for their name entries, so
they're being added to addrman with a source of [::].

This commit shouldn't change that behavior, for better or worse.

* net: resolve outside of storage structures

Rather than allowing CNetAddr/CService/CSubNet to launch DNS queries, require
that addresses are already resolved.

This greatly simplifies async resolve logic, and makes it harder to
accidentally leak DNS queries.

* net: disable resolving from storage structures

CNetAddr/CService/CSubnet can no longer resolve DNS.
2017-09-02 23:07:11 +03:00
Oleg Girko
589d22f2ca net: No longer send local address in addrMe (#1600)
After #8594 the addrFrom sent by a node is not used anymore at all,
so don't bother sending it.

Also mitigates the privacy issue in (#8616). It doesn't completely solve
the issue as GetLocalAddress is also called in AdvertiseLocal, but at
least when advertising addresses it stands out less as *our* address.
2017-09-01 06:12:23 +03:00
UdjinM6
9028a22b88 safe version of GetMasternodeByRank (#1595)
* safe version of GetMasternodeByRank

* fix
2017-08-31 18:58:23 +03:00
Oleg Girko
76181f5757 Do not add random inbound peers to addrman. (#1593)
We should learn about new peers via address messages.

An inbound peer connecting to us tells us nothing about
 its ability to accept incoming connections from us, so
 we shouldn't assume that we can connect to it based on
 this.

The vast majority of nodes on the network do not accept
 incoming connections, adding them will only slow down
 the process of making a successful connection in the
 future.

Nodes which have configured themselves to not announce would prefer we
 not violate their privacy by announcing them in GETADDR responses.
2017-08-31 18:34:24 +03:00
Oleg Girko
105122181a Partially backport Bitcoin PR#9626: Clean up a few CConnman cs_vNodes/CNode things (#1591)
* Delete some unused (and broken) functions in CConnman

* Ensure cs_vNodes is held when using the return value from FindNode
2017-08-29 02:51:56 +03:00
UdjinM6
4f5455000e Use GetAdjustedTime instead of GetTime when dealing with network-wide timestamps (#1590) 2017-08-29 02:51:44 +03:00
UdjinM6
b5f7be6498 slightly refactor CDSNotificationInterface (#1581) 2017-08-29 02:51:33 +03:00
UdjinM6
8012f2ca7f drop masternode index (#1580) 2017-08-25 15:57:19 +03:00
UdjinM6
fe81d641da drop pCurrentBlockIndex and use cached block height instead (nCachedBlockHeight) (#1579) 2017-08-25 15:57:05 +03:00
UdjinM6
23582aea45 add/use GetUTXO[Coins/Confirmations] helpers instead of GetInputAge[IX] (#1578)
(also move IS confirmations calculation helper to CInstantSend)
2017-08-25 15:56:48 +03:00
Oleg Girko
c56ba56e79 net: Consistently use GetTimeMicros() for inactivity checks (#1588)
The use of mocktime in test logic means that comparisons between
GetTime() and GetTimeMicros()/1000000 are unreliable since the former
can use mocktime values while the latter always gets the system clock;
this changes the networking code's inactivity checks to consistently
use the system clock for inactivity comparisons.

Also remove some hacks from setmocktime() that are no longer needed,
now that we're using the system clock for nLastSend and nLastRecv.
2017-08-24 02:38:29 +03:00
UdjinM6
510c0a06d7 Relay tx in sendrawtransaction according to its inv.type (#1584)
bug was introduced in #1537 a9d771e497 (diff-01aa7d1d32f1b9e5a836c9c411978918R889)
2017-08-23 17:26:57 +03:00
Ilya Savinov
4ed838cb5d Fix MasternodeRateCheck (#1490)
* fixed an issue with MasternodeRateCheck always returns true

* additioanal fixes and refactoring (rebase)

* slightly improved CRateBuffer synchronization for newly started nodes
2017-08-23 17:22:23 +03:00
Alex Werner
ae909d0a09 Fix : Reject invalid instantsend transaction (#1583) 2017-08-23 17:21:54 +03:00
UdjinM6
f786ce6aba fix instantsendtoaddress param convertion (#1585)
`subtractfeefromamount` is bool but `true`/`false` are not recognized in rpc atm. This should fix it.
2017-08-23 17:21:33 +03:00
Alexander Block
ccee103a0e Backport "assumed valid blocks" feature from Bitcoin 0.13 (#1582)
* IBD check uses minimumchain work instead of checkpoints.

This introduces a 'minimum chain work' chainparam which is intended
 to be the known amount of work in the chain for the network at the
 time of software release.  If you don't have this much work, you're
 not yet caught up.

This is used instead of the count of blocks test from checkpoints.

This criteria is trivial to keep updated as there is no element of
subjectivity, trust, or position dependence to it. It is also a more
reliable metric of sync status than a block count.

* Remove GetTotalBlocksEstimate and checkpoint tests that test nothing.

GetTotalBlocksEstimate is no longer used and it was the only thing
 the checkpoint tests were testing.

Since checkpoints are on their way out it makes more sense to remove
 the test file than to cook up a new pointless test.

# Conflicts:
#	src/Makefile.test.include
#	src/test/Checkpoints_tests.cpp

* IsInitialBlockDownload no longer uses header-only timestamps.

This avoids a corner case (mostly visible on testnet) where bogus
 headers can keep nodes in IsInitialBlockDownload.

* Delay parallel block download until chain has sufficient work

nMinimumChainWork is an anti-DoS threshold; wait until we have a proposed
tip with more work than that before downloading blocks towards that tip.

* Add timeout for headers sync

At startup, we choose one peer to serve us the headers chain, until
our best header is close to caught up.  Disconnect this peer if more
than 15 minutes + 1ms/expected_header passes and our best header
is still more than 1 day away from current time.

* Introduce assumevalid setting to skip presumed valid scripts.

This disentangles the script validation skipping from checkpoints.

A new option is introduced "assumevalid" which specifies a block whos
 ancestors we assume all have valid scriptsigs and so we do not check
 them when they are also burried under the best header by two weeks
 worth of work.

Unlike checkpoints this has no influence on consensus unless you set
 it to a block with an invalid history.  Because of this it can be
 easily be updated without risk of influencing the network consensus.

This results in a massive IBD speedup.

This approach was independently recommended by Peter Todd and Luke-Jr
 since POW based signature skipping (see PR#9180) does not have the
 verifiable properties of a specific hash and may create bad incentives.

The downside is that, like checkpoints, the defaults bitrot and older
 releases will sync slower.  On the plus side users can provide their
 own value here, and if they set it to something crazy all that will
 happen is more time will be spend validating signatures.

Checkblocks and checklevel are also moved to the hidden debug options:
 Especially now that checkblocks has a low default there is little need
 to change these settings, and users frequently misunderstand them as
 influencing security or IBD speed.  By hiding them we offset the
 space added by this new option.

* Add consensusParams to FindNextBlocksToDownload

* Adjust check in headers timeout logic to align with 144 blocks in Dash
2017-08-23 17:21:08 +03:00
Oleg Girko
2472999da0 Backport Bitcoin PR#9441: Net: Massive speedup. Net locks overhaul (#1586)
* net: fix typo causing the wrong receive buffer size

Surprisingly this hasn't been causing me any issues while testing, probably
because it requires lots of large blocks to be flying around.

Send/Recv corks need tests!

* net: make vRecvMsg a list so that we can use splice()

* net: make GetReceiveFloodSize public

This will be needed so that the message processor can cork incoming messages

* net: only disconnect if fDisconnect has been set

These conditions are problematic to check without locking, and we shouldn't be
relying on the refcount to disconnect.

* net: wait until the node is destroyed to delete its recv buffer

when vRecvMsg becomes a private buffer, it won't make sense to allow other
threads to mess with it anymore.

* net: set message deserialization version when it's actually time to deserialize

We'll soon no longer have access to vRecvMsg, and this is more intuitive anyway.

* net: handle message accounting in ReceiveMsgBytes

This allows locking to be pushed down to only where it's needed

Also reuse the current time rather than checking multiple times.

* net: record bytes written before notifying the message processor

* net: Add a simple function for waking the message handler

This may be used publicly in the future

* net: remove useless comments

* net: remove redundant max sendbuffer size check

This is left-over from before there was proper accounting. Hitting 2x the
sendbuffer size should not be possible.

* net: rework the way that the messagehandler sleeps

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.

* net: add a new message queue for the message processor

This separates the storage of messages from the net and queued messages for
processing, allowing the locks to be split.

* net: add a flag to indicate when a node's process queue is full

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.

* net: add a flag to indicate when a node's send buffer is full

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.

* net: remove cs_vRecvMsg

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
2017-08-23 17:20:43 +03:00
Oleg Girko
b9c67258ba Backport Bitcoin PR#9609: net: fix remaining net assertions (#1575) + Dashify
* Dont deserialize nVersion into CNode, should fix #9212

* net: deserialize the entire version message locally

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.

* net: don't run callbacks on nodes that haven't completed the version handshake

Since ForEach* are can be used to send messages to  all nodes, the caller may
end up sending a message before the version handshake is complete. To limit
this, filter out these nodes. While we're at it, may as well filter out
disconnected nodes as well.

Delete unused methods rather than updating them.

* net: Disallow sending messages until the version handshake is complete

This is a change in behavior, though it's much more sane now than before.

* net: log an error rather than asserting if send version is misused

Also cleaned up the comments and moved from the header to the .cpp so that
logging headers aren't needed from net.h

* Implement conditions for ForEachNode() and ForNode() methods of CConnman.

A change making ForEachNode() and ForNode() methods ignore nodes that
have not completed initial handshake have been backported from Bitcoin.
Unfortunately, some Dash-specific code needs to iterate over all nodes.

This change introduces additional condition argument to these methods.
This argument is a functional object that should return true for nodes
that should be taken into account, not ignored.

Two functional objects are provided in CConnman namespace:
* FullyConnectedOnly returns true for nodes that have handshake completed,
* AllNodes returns true for all nodes.

Overloads for ForEachNode() and ForNode() methods without condition argument
are left for compatibility with non-Dash-specific code.
They use FullyConnectedOnly functional object for condition.

Signed-off-by: Oleg Girko <ol@infoserver.lv>

* Iterate over all nodes in Dash-specific code using AllNodes condition.

Use AllNodes functional object as newly introduced condition argument for
ForEachNode() and ForNode() methods of CConnman to iterate over all nodes
where needed in Dash-specific code.

Signed-off-by: Oleg Girko <ol@infoserver.lv>
2017-08-17 21:37:22 +03:00
Will Wray
8b5f47e686 Masternode classes: Remove repeated/un-needed code and data (#1572)
* Remove un-needed #includes (what is the policy?)

Data was duplicated in masternode_info_t and CMasternode classes:

* CMasternode is changed to inherit from masternode_info_t
  so the data members are inherited rather than repeated
 (also inherits unrepeated nTimeLastPing and fInfoValid members;
  this slight intrusiveness made up for in simplicity).

* Use in-class member initializers (C++11) for defaults,
  so only non-default initializers are required in the lists.
  Allows to shorten repetitous constructor initializer lists.
  This makes checking for uninitialized data simpler.

* Default constructors are defined as "= default;" if possible.

* masternode_info_t is changed to behave like an aggregate
 (but requires over-complicated constructors until c++14).
  There are pros and cons here - aggregate initialization
  is convenient but implicit).

* Removed user-defined swap functions.
  They appear to only be used in operator= definitions,
  using the copy-in,swap-and-return idiom:

* Default operator=, where possible.

* Move in class `friend bool operator==` out-of-class.
2017-08-11 21:52:06 +03:00
Ilya Savinov
4a9fbca080 Fix potential deadlock in CInstantSend::UpdateLockedTransaction (#1571)
* cs_wallet -> cs_instantsend:

getinfo(...) - LOCK2(cs_main, pwalletMain ? &pwalletMain->cs_wallet : NULL)
  CAmount CWallet::GetBalance() const - LOCK2(cs_main, cs_wallet)
    CWalletTx::IsTrusted()
      GetDepthInMainChain()
        CInstantSend::IsLockedInstantSendTransaction(...) - LOCK(cs_instantsend)

cs_wallet -> cs_instantsend:

CWallet::ReacceptWalletTransactions() - LOCK2(cs_main, cs_wallet)
  GetDepthInMainChain()
    CInstantSend::IsLockedInstantSendTransaction(...) - LOCK(cs_instantsend)

cs_instantsend -> cs_wallet:

void CInstantSend::UpdateLockedTransaction(...) - LOCK(cs_instantsend)
  CWallet::UpdatedTransaction(...) - LOCK(cs_wallet)

* AssertLockHeld added
2017-08-11 21:51:44 +03:00
chaeplin
0fc13434b4 limit UpdatedBlockTip in IBD (#1570) 2017-08-11 21:51:24 +03:00
UdjinM6
c608bbec1d Pass reference when calling HasPayeeWithVotes (#1569) 2017-08-11 21:50:57 +03:00
UdjinM6
105713c10a Sync overhaul (#1564)
* Change sync process:
- IsBlockchainSynced(): drop CheckNodeHeight() and all complicated code, use fInitialDownload in UpdatedBlockTip() to switch initial states
- ProcessTick(): detect sleep mode like it was in IsBlockchainSynced(), not by number of masternodes

* Changes for sync in governance:
- do not keep sync alive on ConfirmInventoryRequest()
- skip some governance actions until we are synced to some level

* do not run CMasternodeMan::UpdateLastPaid() until winners list is synced

* start syncing mn list on the same node right after requesting sporks

* replace nTimeLast<Asset> with the unified nTimeLastBumped, bump on UpdatedBlockTip

* fix comments and LogPrintf-s

* remove excessive MASTERNODE_SYNC_IBD

* a bit more descriptive BumpAssetLastTime in few cases
2017-08-09 19:07:03 +03:00
Oleg Girko
42c784dc7a Backport Bitcoin PR#9289: net: drop boost::thread_group (#1568)
* net: a few small cleanups before replacing boost threads

- Drop the interruption point directly after the pnode allocation. This would
    be leaky if hit.
- Rearrange thread creation so that the socket handler comes first

* net: add CThreadInterrupt and InterruptibleSleep

* net: make net interruptible

Also now that net threads are interruptible, switch them to use std
threads/binds/mutexes/condvars.

* net: make net processing interruptible

* net: remove thread_interrupted catch

This is now a std::thread, so there's no hope of catching a boost interruption
point.

* net: make proxy receives interruptible

* net: misc header cleanups
2017-08-09 19:06:31 +03:00
Oleg Girko
df6d458b85 Backport Bitcoin PR#9260: Mrs Peacock in The Library with The Candlestick (killed main.{h,cpp}) (#1566)
* Remove orphan state wipe from UnloadBlockIndex.

As orphan state is now "network state", like in
d6ea737be1,

UnloadBlockIndex is only used during init if we end up reindexing
to clear our block state so that we can start over. However, at
that time no connections have been brought up as CConnman hasn't
been started yet, so all of the network processing state logic is
empty when its called.

* Move network-msg-processing code out of main to its own file

* Rename the remaining main.{h,cpp} to validation.{h,cpp}
2017-08-09 03:19:06 +03:00
Oleg Girko
bcf5455bfd Backport Bitcoin PR#8822: net: Consistent checksum handling (#1565)
* net: Consistent checksum handling

In principle, the checksums of P2P packets are simply 4-byte blobs which
are the first four bytes of SHA256(SHA256(payload)).

Currently they are handled as little-endian 32-bit integers half of the
time, as blobs the other half, sometimes copying the one to the other,
resulting in somewhat confused code.

This PR changes the handling to be consistent both at packet creation
and receiving, making it (I think) easier to understand.

* net: Hardcode protocol sizes and use fixed-size types

The P2P network uses a fixed protocol, these sizes shouldn't change
based on what happens to be the architecture.
2017-08-08 20:57:36 +03:00
UdjinM6
87707c0127 fix CDSNotificationInterface::UpdatedBlockTip signature (#1562)
to match the one in CValidationInterface
2017-08-04 20:43:48 +03:00
Oleg Girko
415085c732 Backport Bitcoin PR#9183: Final Preparation for main.cpp Split (#1561)
* Expose AcceptBlockHeader through main.h

* Split ::HEADERS processing into two separate cs_main locks

This will allow NotifyHeaderTip to be called from an
AcceptBlockHeader wrapper function without holding cs_main.

* Use exposed ProcessNewBlockHeaders from ProcessMessages
2017-08-03 01:19:34 +03:00
Oleg Girko
b4b3431458 Backport Bitcoin PR#9075: Decouple peer-processing-logic from block-connection-logic (#3) (#1560)
* Remove pfrom parameter from ProcessNewBlock

This further decouples ProcessNewBlock from networking/peer logic.

* Replace CValidationState param in ProcessNewBlock with BlockChecked
2017-08-02 21:35:04 +03:00
Oleg Girko
e7e106e228 Backport Bitcoin PR#8969: Decouple peer-processing-logic from block-connection-logic (#2) (#1558)
* Move MarkBlockAsReceived out of ProcessNewMessage

* Remove network state wipe from UnloadBlockIndex.

UnloadBlockIndex is only used during init if we end up reindexing
to clear our block state so that we can start over. However, at
that time no connections have been brought up as CConnman hasn't
been started yet, so all of the network processing state logic is
empty when its called.

Additionally, the initialization of the recentRejects set is moved
to InitPeerLogic.

* Move all calls to CheckBlockIndex out of net-processing logic

This will result in many more calls to CheckBlockIndex when
connecting a list of headers (eg in ::HEADERS messages processing)
but its only enabled in debug mode, and that should mostly just be
during IBD, so it should be OK.

* Move FlushStateToDisk call out of ProcessMessages::TX into ATMP

* Move nTimeBestReceived updating into net processing code
2017-08-01 18:11:32 +03:00