Commit Graph

54 Commits

Author SHA1 Message Date
UdjinM6
757c99eb20
evo/llmq/spork: Fix various (potential) locking issues (#3829)
* Fix potential deadlock in `CSporkManager::UpdateSpork()`

* Protect `inputRequestIds` with cs lock

* Protect `curDBTransaction` in `CEvoDB::CommitRootTransaction()`

* Check for `AssertLockNotHeld` in `EnforceBestChainLock()` instead of just having a comment in code

* Protect spork maps on (de)serialization
2020-11-28 19:06:51 +00:00
UdjinM6
fb4f76c4a0
Call EraseObjectRequest as soon as an object is read from the stream (#3783)
EraseObjectRequest should nat be postponed for later (no reason to do so) or skipped due to early returns (this is a bug).
2020-10-28 22:02:05 +03:00
PastaPastaPasta
82c3aaaf5f
Apply (mostly)trivial clang-tidy in llmq folder (#3645)
* ixlock -> islock

Signed-off-by: pasta <pasta@dashboost.org>

* Mostly trivial clang-tidy changes in llmq

Signed-off-by: pasta <pasta@dashboost.org>
2020-08-10 00:35:02 +03:00
pasta
9d26ad6d8f remove duplicate includes so that ./contrib/devtools/lint-includes.sh is clean
Signed-off-by: pasta <pasta@dashboost.org>
2020-07-01 20:12:03 -05:00
pasta
518ccbf986
scripted-diff: Convert 11 enums into scoped enums (C++11) (merge #10742)
-BEGIN VERIFY SCRIPT-

sed -i 's/enum DBErrors/enum class DBErrors/g' src/wallet/walletdb.h
git grep -l DB_ | xargs sed -i 's/DB_\(LOAD_OK\|CORRUPT\|NONCRITICAL_ERROR\|TOO_NEW\|LOAD_FAIL\|NEED_REWRITE\)/DBErrors::\1/g'
sed -i 's/^    DBErrors::/    /g' src/wallet/walletdb.h

sed -i 's/enum VerifyResult/enum class VerifyResult/g' src/wallet/db.h
sed -i 's/\(VERIFY_OK\|RECOVER_OK\|RECOVER_FAIL\)/VerifyResult::\1/g' src/wallet/db.cpp

sed -i 's/enum ThresholdState/enum class ThresholdState/g' src/versionbits.h
git grep -l THRESHOLD_ | xargs sed -i 's/THRESHOLD_\(DEFINED\|STARTED\|LOCKED_IN\|ACTIVE\|FAILED\)/ThresholdState::\1/g'
sed -i 's/^    ThresholdState::/    /g' src/versionbits.h

sed -i 's/enum SigVersion/enum class SigVersion/g' src/script/interpreter.h
git grep -l SIGVERSION_ | xargs sed -i 's/SIGVERSION_\(BASE\|WITNESS_V0\)/SigVersion::\1/g'
sed -i 's/^    SigVersion::/    /g' src/script/interpreter.h

sed -i 's/enum RetFormat {/enum class RetFormat {/g' src/rest.cpp
sed -i 's/RF_\(UNDEF\|BINARY\|HEX\|JSON\)/RetFormat::\1/g' src/rest.cpp
sed -i 's/^    RetFormat::/    /g' src/rest.cpp

sed -i 's/enum HelpMessageMode {/enum class HelpMessageMode {/g' src/init.h
git grep -l HMM_ | xargs sed -i 's/HMM_BITCOIN/HelpMessageMode::BITCOIN/g'
sed -i 's/^    HelpMessageMode::/    /g' src/init.h

sed -i 's/enum FeeEstimateHorizon/enum class FeeEstimateHorizon/g' src/policy/fees.h

sed -i 's/enum BlockSource {/enum class BlockSource {/g' src/qt/clientmodel.h
git grep -l BLOCK_SOURCE_ | xargs sed -i 's/BLOCK_SOURCE_\(NONE\|REINDEX\|DISK\|NETWORK\)/BlockSource::\1/g'
sed -i 's/^    BlockSource::/    /g' src/qt/clientmodel.h

sed -i 's/enum FlushStateMode {/enum class FlushStateMode {/g' src/validation.cpp
sed -i 's/FLUSH_STATE_\(NONE\|IF_NEEDED\|PERIODIC\|ALWAYS\)/FlushStateMode::\1/g' src/validation.cpp
sed -i 's/^    FlushStateMode::/    /g' src/validation.cpp

-END VERIFY SCRIPT-

Signed-off-by: pasta <pasta@dashboost.org>
2020-06-11 23:20:48 -05:00
UdjinM6
89851d3361
Fix chainlock scheduler handling (#3514)
Reindexing corrupted chain always fails otherwise.
2020-06-11 11:39:23 +03:00
UdjinM6
232430fac9
Fix ProcessNewBlock vs EnforceBestChainLock deadlocks in ActivateBestChain (#3492)
* Drop dead code in DoInvalidateBlock

* Let ActivateBestChain skip SyncWithValidationInterfaceQueue when called from IS or CL threads

* Use CL's own scheduler instead of a global one

* Revert "Let ActivateBestChain skip SyncWithValidationInterfaceQueue when called from IS or CL threads"

This reverts commit 1c9f6da50a.
2020-06-09 06:53:16 +03:00
thephez
970c23d6e6
Remove logic for forcing chainlocks without DIP8 activation on testnet (#3470) 2020-05-11 15:35:55 +03:00
Alexander Block
26fcd3f0bf Also remove m_tx_announced and m_tx_in_flight entries when EraseObjectRequest is called
Otherwise they'll run into false-positive timeouts.
2020-04-07 13:25:29 +02:00
Alexander Block
004d9224c4 Replace uses of CConnman::RemoveAskFor with EraseObjectRequest 2020-04-07 07:14:42 +02:00
Alexander Block
f7ddee13a1
Fix possible segfault (#3365)
When CheckActiveState is called very early, there might be no chain yet.
2020-03-21 13:31:09 +01:00
PastaPastaPasta
8a1ec935a0
Backport 11651 (#3358)
* scripted-diff: Replace #include "" with #include <> (ryanofsky)

-BEGIN VERIFY SCRIPT-
for f in \
  src/*.cpp \
  src/*.h \
  src/bench/*.cpp \
  src/bench/*.h \
  src/compat/*.cpp \
  src/compat/*.h \
  src/consensus/*.cpp \
  src/consensus/*.h \
  src/crypto/*.cpp \
  src/crypto/*.h \
  src/crypto/ctaes/*.h \
  src/policy/*.cpp \
  src/policy/*.h \
  src/primitives/*.cpp \
  src/primitives/*.h \
  src/qt/*.cpp \
  src/qt/*.h \
  src/qt/test/*.cpp \
  src/qt/test/*.h \
  src/rpc/*.cpp \
  src/rpc/*.h \
  src/script/*.cpp \
  src/script/*.h \
  src/support/*.cpp \
  src/support/*.h \
  src/support/allocators/*.h \
  src/test/*.cpp \
  src/test/*.h \
  src/wallet/*.cpp \
  src/wallet/*.h \
  src/wallet/test/*.cpp \
  src/wallet/test/*.h \
  src/zmq/*.cpp \
  src/zmq/*.h
do
  base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f
done
-END VERIFY SCRIPT-

Signed-off-by: Pasta <pasta@dashboost.org>

* scripted-diff: Replace #include "" with #include <> (Dash Specific)

-BEGIN VERIFY SCRIPT-
for f in \
  src/bls/*.cpp \
  src/bls/*.h \
  src/evo/*.cpp \
  src/evo/*.h \
  src/governance/*.cpp \
  src/governance/*.h \
  src/llmq/*.cpp \
  src/llmq/*.h \
  src/masternode/*.cpp \
  src/masternode/*.h \
  src/privatesend/*.cpp \
  src/privatesend/*.h
do
  base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f
done
-END VERIFY SCRIPT-

Signed-off-by: Pasta <pasta@dashboost.org>

* build: Remove -I for everything but project root

Remove -I from build system for everything but the project root,
and built-in dependencies.

Signed-off-by: Pasta <pasta@dashboost.org>

# Conflicts:
#	src/Makefile.test.include

* qt: refactor: Use absolute include paths in .ui files

* qt: refactor: Changes to make include paths absolute

This makes all include paths in the GUI absolute.

Many changes are involved as every single source file in
src/qt/ assumes to be able to use relative includes.

Signed-off-by: Pasta <pasta@dashboost.org>

# Conflicts:
#	src/qt/dash.cpp
#	src/qt/optionsmodel.cpp
#	src/qt/test/rpcnestedtests.cpp

* test: refactor: Use absolute include paths for test data files

* Recommend #include<> syntax in developer notes

* refactor: Include obj/build.h instead of build.h

* END BACKPORT #11651 Remove trailing whitespace causing travis failure

* fix backport 11651

Signed-off-by: Pasta <pasta@dashboost.org>

* More of 11651

* fix blockchain.cpp

Signed-off-by: pasta <pasta@dashboost.org>

* Add missing "qt/" in includes

* Add missing "test/" in includes

* Fix trailing whitespaces

Co-authored-by: Wladimir J. van der Laan <laanwj@gmail.com>
Co-authored-by: Russell Yanofsky <russ@yanofsky.org>
Co-authored-by: MeshCollider <dobsonsa68@gmail.com>
Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
2020-03-20 01:46:56 +03:00
UdjinM6
67c8484e20
More of 11583 for Dash-specific code 2020-01-28 15:42:25 -06:00
UdjinM6
91a996e325
Make sure mempool txes are properly processed by CChainLocksHandler despite node restarts (#3226)
* Pass nAcceptTime via TransactionAddedToMempool and use it for ChainLocks

Otherwise the "first seen" time is way off after node restart

* Don't skip TransactionAddedToMempool for chainlocks while blockchain is not synced yet

Otherwise txes from mempool.dat won't be processed there
2019-12-07 13:56:17 +03:00
UdjinM6
9f1ee8c70a
scripted-diff: Refactor llmq type consensus param names (#3093)
-BEGIN VERIFY SCRIPT-
sed -i 's/llmqChainLocks/llmqTypeChainLocks/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
sed -i 's/llmqForInstantSend/llmqTypeInstantSend/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h
-END VERIFY SCRIPT-
2019-09-24 12:38:50 +03:00
UdjinM6
1c74b668b6
Introduce getbestchainlock rpc and fix llmq-is-cl-conflicts.py (#3094)
* Introduce getbestchainlock rpc and fix llmq-is-cl-conflicts.py

* Add `known_block` field and move `getbestchainlock` to `blockchain` rpc category

* Add CChainLockSig::IsNull() and throw an exception in getbestchainlock if there is no known chainlock yet

* drop blockHash initializer
2019-09-23 21:36:55 +03:00
Pasta
4e46f25117
add end commend for all llmq namespace
Signed-off-by: Pasta <pasta@dashboost.org>
2019-07-15 13:55:01 -05:00
Alexander Block
2f21e55514 Remove legacy InstantSend code (#3020)
* Remove ppszTypeName from protocol.cpp and reimplement GetCommand

This removes the need to carefully maintain ppszTypeName, which required
correct order and also did not allow to permanently remove old message
types.

To get the command name for an INV type, GetCommandInternal uses a switch
which needs to be maintained from now on.

The way this is implemented also resembles the way it is implemented in
Bitcoin today, but it's not identical. The original PR that introduced the
switch case in Bitcoin was part of the Segwit changes and thus never got
backported. I decided to implement it in a slightly different way that
avoids throwing exceptions when an unknown INV type is encountered.

IsKnownType will now also leverage GetCommandInternal() to figure out if
the INV type is known locally. This has the side effect of old/legacy
message types to return false from now on. We will depend on this side
effect in later commits when we remove legacy InstantSend code.

* Stop handling/relaying legacy IX messages

When we receive an IX message, we simply treat it as a regular TX and relay
it as such.

We'll however still request IX messages when they are announced to us. We
can't simply revert to requesting TX messages in this case as it might
result in the other peer not answering due to the TX not being in mapRelay
yet. We should at some point in the future completely drop handling of IX
messages instead.

* Remove IsNewInstantSendEnabled() and only use IsInstantSendEnabled()

* Remove legacy InstantSend from GUI

* Remove InstantSend from Bitcoin/Dash URIs

* Remove legacy InstantSend from RPC commands

* Remove legacy InstantSend from wallet

* Remove legacy instantsend.h include

* Remove legacy InstantSend from validation code

* Completely remove remaining legacy InstantSend code

* Remove now unused spork

* Fix InstantSend related test failures

* Remove now obsolete auto IS tests

* Make spork2 and spork3 disabled by default

This should have no influence on mainnet as these sporks are actually set
there. This will however affect regtest, which shouldn't have LLMQ based
InstantSend enabled by default.

* Remove instantsend tests from dip3-deterministicmns.py

These were only testing legacy InstantSend

* Fix .QCheckBox#checkUsePrivateSend styling a bit

* s/TXLEGACYLOCKREQUEST/LEGACYTXLOCKREQUEST/

* Revert "verified via InstantSend" back to "verified via LLMQ based InstantSend"

* Use cmd == nullptr instead of !cmd

* Remove last parameter from AvailableCoins call

This was for fUseInstantSend which is not present anymore since rebase
2019-07-09 17:50:08 +03:00
Wladimir J. van der Laan
2edd094a21
Merge #10189: devtools/net: add a verifier for scriptable changes. Use it to make CNode::id private.
0f3471f net: make CNode's id private (Cory Fields)
9ff0a51 scripted-diff: net: Use accessor rather than node's id directly (Cory Fields)
e50c33e devtools: add script to verify scriptable changes (Cory Fields)

skipped travis changes

Tree-SHA512: a0ff50f4e1d38a2b63109b4996546c91b3e02e00d92c0bf04f48792948f78b1f6d9227a15d25c823fd4723a0277fc6a32c2c1287c7abbb7e50fd82ffb0f8d994

pnode->id to pnode->GetId()

Signed-off-by: Pasta <pasta@dashboost.org>
2019-06-19 08:20:15 -05:00
Alexander Block
864856688d Multiple speed optimizations for deterministic MN list handling (#2972)
* Generalize CBLSLazyWrapper so that it can be used of pubkeys and secret keys

* Implement == and != operators for CBLSLazyWrapper

* Implement cached hash for CBLSLazyWrapper

* Use CBLSLazyPublicKey for CDeterministicMNState::pubKeyOperator

* Speed up GetProjectedMNPayees by sorting the MN list by last paid

Instead of updating a temporary list for each projected height and calling
GetMNPayee() on it.

* Cache intermediate lists in GetListForBlock

This avoids re-loading and applying diffs again and again.

* Only update masternode list UI max once every 3 seconds

This avoids updating the UI on every block, which turned out to be very
expensive.

* Fix compilation

* Drop time restrictions for mn list update in ClientModel

They are fully handled by MasternodeList now.
2019-06-13 12:01:26 +03:00
Alexander Block
715a3e9518 Move updating of txFirstSeenTime into TransactionAddedToMempool and BlockConnected
This removes the need for SyncTransaction
2019-05-27 16:40:05 +02:00
Alexander Block
a61127e1ae Move filling of blockTxs into BlockConnected
Also add code to remove entries in blockTxs when BlockDisconnected is
called.
2019-05-27 16:40:05 +02:00
Alexander Block
d4e75abbfd Call new signals in CChainLocksHandler 2019-05-27 16:40:05 +02:00
UdjinM6
250195185f
Adjust CDSNotificationInterface to align with CValidationInterface changes 2019-05-27 09:03:19 -05:00
UdjinM6
428f304506
Implement rawchainlocksig and rawtxlocksig (#2930)
* Pass is-lock into `CInstantSendManager::UpdateWalletTransaction()`

* Implement `rawtxlocksig` which pushes tx+islock

* Implement `rawchainlocksig` which pushes block+clsig

* fix log category
2019-05-23 12:13:58 +03:00
PastaPastaPasta
29194b1f5a Backport Bitcoin#9424, Bitcoin#10123 and Bitcoin#10153 (#2918)
* Contains dashification. disables `-debug dash`
Merge #9424: Change LogAcceptCategory to use uint32_t rather than sets of strings.

6b3bb3d Change LogAcceptCategory to use uint32_t rather than sets of strings. (Gregory Maxwell)

Tree-SHA512: ebb5bcf9a7d00a32dd1390b727ff4d29330a038423611da01268d8e1d2c0229e52a1098e751d4e6db73ef4ae862e1e96d38249883fcaf12b68f55ebb01035b34
Signed-off-by: Pasta <Pasta@dash.org>

31 -> 32

Signed-off-by: Pasta <Pasta@dash.org>

* Merge #10123: Allow debug logs to be excluded from specified component

3bde556 Add -debugexclude option to switch off logging for specified components (John Newbery)

Tree-SHA512: 30202e3f2085fc2fc5dd4bedb92988f4cb162c612a42cf8f6395a7da326f34975ddc347f82bc4ddca6c84c438dc0cc6e87869f90c7ff88105dbeaa52a947fa43

* bump to uint64_t due to added Dash codes

Signed-off-by: Pasta <Pasta@dash.org>

* bump to uint64_t due to added Dash codes cont.

Signed-off-by: Pasta <Pasta@dash.org>

* string -> BCLog format

Signed-off-by: Pasta <Pasta@dash.org>

* uint32_t -> uint64_t

Signed-off-by: Pasta <Pasta@dash.org>

* Fix CBatchedLogger

* Fix most fDebug-s

* Fix `debug` rpc

* Fix BENCH and RAND conflicts

* Add ALERT and use it

* Update LogPrint-s in dash-specific code

* Tweak few log categories

Specifically:
- use PRIVATESEND in `CPrivateSendClientManager::GetRandomNotUsedMasternode()`
- use ZMQ in `CZMQPublishRawGovernanceVoteNotifier::NotifyGovernanceVote()` and `CZMQPublishRawGovernanceObjectNotifier::NotifyGovernanceObject()`

* Drop no longer used MASTERNODE category

* Merge #10153: logging: Fix off-by-one for shrinkdebugfile default

faab624 logging: Fix off-by-one for shrinkdebugfile (MarcoFalke)

Tree-SHA512: d6153e06067906172ff0611af9e585a3ecf0a7d56925b6ad7c12e75aa802441047059b9b6f6c78e79916c3f2abc8f1998bfd2d5b84201ec6421f727c08da3c21

* Shift dash-specific log categories to start from `1ul << 32` to avoid potential future conflicts with bitcoin ones

* Fix `dash` category

* remove debugCategories

Signed-off-by: Pasta <Pasta@dash.org>

* Prepend "std::" to find call

* Check for BCLog::PRIVATESEND instead of logCategories != BCLog::NONE

* Use BCLog::MNPAYMENTS category instead of checking for logCategories != BCLog::NONE

* Move "End Dash" comment below "ALERT"

When adding new entries here, we'll otherwise get confused with ordering
and might end up forgetting that adding something Dash specific must
continue with the bit after 43.
2019-05-23 00:51:39 +03:00
PastaPastaPasta
32aa229c7f Reorganize Dash Specific code into folders (#2753)
* rename instantx.* file to instantsend.*

* Reorganize Dash Specific code into folders

add to privatesend folder the header files

Signed-off-by: Pasta <Pasta@dash.org>

add "masternode" to imports

Signed-off-by: Pasta <Pasta@dash.org>

add "masternode" to imports

Signed-off-by: Pasta <Pasta@dash.org>

add "masternode" to imports pt 2

Signed-off-by: Pasta <Pasta@dash.org>
2019-05-21 15:26:15 +02:00
Alexander Block
394bec4838 Skip processing in SyncTransaction when chain is not synced yet (#2920)
Applies to CInstantSendManager and CChainLocksHandler. This fixes extremely
high RAM usage on reindex and resync, which happens to many/all transactions
being kept track of non-locked TXs (nonLockedTxs) and TXs per
block (blockTxs).
2019-05-13 13:35:46 +03:00
Alexander Block
56f31195d2
Fall back to ReadBlockFromDisk when blockTxs is not filled yet (#2908)
* Fall back to ReadBlockFromDisk when blockTxs is not filled yet

This handles the case where a MN is freshly started and SyncTransaction
was not been called for older transactions/blocks.

* Also update txFirstSeenTime

* Properly handle txids == nullptr
2019-05-10 15:54:40 +02:00
UdjinM6
fbd244dded
Bail out in few more places when blockchain is not synced yet (#2888)
* Bail out in few more places when blockchain is not synced yet

* Apply review suggestion
2019-04-30 15:55:11 +03:00
UdjinM6
8ffdcbf999
A bunch of mostly trivial tweaks/fixes (#2889)
* Trivial: vout->txout

* Re-use SetHexStr in few more places

* Tweak log output

* fix v13 release notes links

* Drop no longer used stuff

* Few more trivial fixes

* Adjust few rpc help strings

* Apply review suggestions
2019-04-30 15:48:21 +03:00
Alexander Block
f32f9523b9 Use lazy BLS signatures more often and don't always verify self-recovered sigs (#2860)
* Make CBLSLazySignature thread safe

* Perform malleability check in CBLSLazySignature

* Use CBLSLazySignature in CRecoveredSig and CInstantSendLock

* Only sporadically verify self-recovered signatures

* test
2019-04-11 23:11:39 +03:00
Alexander Block
82a47f5432 Allow testing ChainLocks enforcement with spork19 == 1 (#2854)
This is only for testnet.
2019-04-11 15:41:51 +03:00
Alexander Block
225c3898d8
Don't skip "safe TX" check when ChainLocks are not enforced yet (#2851) 2019-04-10 18:16:33 +02:00
Alexander Block
7b76e7abb2
Implement BIP9 style deployment for DIP8/ChainLocks and fix a bug with late headers (#2793)
* Also update bestChainLockWithKnownBlock in AcceptedBlockHeader

* Implement BIP9 style DIP8 deployment

* Fix ChainLocks tests

* Apply suggestions from code review

Co-Authored-By: codablock <ablock84@gmail.com>
2019-03-22 11:51:50 +01:00
Alexander Block
b87821047c
Make LLMQ/InstantSend/ChainLocks code less spammy (#2781)
* Add support for log category to CBatchedLogger

* Use "llmq" logging category in LLMQ code

* Use "chainlocks" logging category in ChainLocks code

* Log errors without logging category
2019-03-21 07:46:27 +01:00
Alexander Block
591b0185c5
Bump proto version and only send LLMQ related messages to v14 nodes (#2780)
* Bump PROTOCOL_VERSION to 70214

* Introduce LLMQS_PROTO_VERSION to avoid relaying to old nodes
2019-03-20 10:58:14 +01:00
Alexander Block
c3602372cc Implement retroactive IS locking of transactions first seen in blocks instead of mempool (#2770)
* Don't rely on UTXO set in CheckCanLock

The UTXO set only works for TXs in the mempool and won't work when we try
to retroactively lock unlocked TXs from blocks.

This is safe as ProcessTx is only called when a TX was accepted into the
mempool or connected in a block, which means that all input checks were
good.

* Rename RetryLockMempoolTxs to RetryLockTxs and let it retry connected TXs

* Instead of manually calling ProcessTx, let SyncTransaction handle all cases

SyncTransaction is called from AcceptToMemoryPool and when transactions got
connected in a block. So this is the time we want to run TXs through
ProcessTx. This also enables retroactive signing of TXs that were unknown
before a new block appeared.

* Test retroactive signing and safe TXs in LLMQ ChainLocks tests

* Also test for retroactive signing of chained TXs

* Honor lockedParentTx when looking for TXs to retry signing

* Stop scanning for TXs to retry after a depth of 6

* Generate 6 block to avoid retroactive signing overloading Travis

* Avoid retroactive signing

* Don't rely on NewPoWValidBlock and use SyncTransaction to build blockTxs

NewPoWValidBlock is not guaranteed to be called when blocks come in fast.
When a block is accepted in AcceptBlock, NewPoWValidBlock is only called
when the new block is a successor of the currently active tip. This is not
the case when after the first block a second block is accepted immediately
as the first block is not connected yet.

This might be a bug actually in the handling of NewPoWValidBlock, so we
might need to check/fix this later, but currently I prefer to not touch
that part.

Instead, we now use SyncTransaction to gather TXs for blockTxs. This works
because SyncTransaction is called for all transactions in a freshly
connected block in one go. The call also happens before UpdatedBlockTip is
called, so it's fine with the existing logic.

* Use tx.IsCoinBase() instead of checking index 0

Also check for empty vin.
2019-03-19 13:55:51 +03:00
Alexander Block
5299d39338 Multiple refactorings/fixes for LLMQ bases InstantSend and ChainLocks (#2779)
* Remove unused parameters from CInstantSendManager::ProcessTx

* Pass txHash in CheckCanLock by reference instead of pointer

* Dont' allow locking of TXs without inputs

* Remove unused local variable nInstantSendConfirmationsRequired

* Don't subtract 1 from nInstantSendConfirmationsRequired

This was necessary in the old system but is not necessary in the new system.
It also prevented proper retroactive signing of chained TXs in regtest as
it resulted in child TXs to return true immediately for CheckCanLock when
it should actually have waited for the parent TX to become locked first.

* Access chainActive.Height() while cs_main is locked

* Properly read and write lastChainLockBlock

"pindex" is NOT the chainlocked block after the while loop finishes. We
must use the pindex (renamed to pindexChainLock now) given on method entry.

Also, the GetLastChainLockBlock() result was not assigned to,
lastChainLockBlock which resulted in the while loop to run unnecessarily
long.

* Generalize filtering in NewPoWValidBlock and SyncTransaction

We're actually interested in all TXs that have inputs, so no need to
explicitly check for tx types.

* Use tx.IsCoinBase() instead of checking for index 0

* Handle cases where a TX is not received yet in wait_for_instantlock

* Wait on all nodes for the locks

Otherwise we end up with the sender having it locked but other nodes
not yet, failing the test.

* Fix LogPrintf call in CChainLocksHandler::DoInvalidateBlock
2019-03-19 10:38:16 +03:00
Alexander Block
3a1aeb000e Multiple fixes/refactorings for ChainLocks (#2765)
* Print which DKG type aborted

* Don't directly call EnforceBestChainLock and instead schedule the call

Calling EnforceBestChainLock might result in switching chains, which in
turn might end up calling signals, so we get into a recursive call chain.

Better to call EnforceBestChainLock from the scheduler.

* Regularly call EnforceBestChainLock and reset error flags on locked chain

* Don't invalidate blocks from CChainLocksHandler::TrySignChainTip

As the name of this method implies, it's trying to sign something and not
enforce/invalidate chains. Invalidating blocks is the job of
EnforceBestChainLock.

* Only call ActivateBestChain when tip != best CL tip

* Fix unprotected access of bestChainLockBlockIndex and bail out if its null

* Fix ChainLocks tests after changes in enforcement handling

* Only invoke NotifyChainLock signal from EnforceBestChainLock

This ensures that NotifyChainLock is not prematurely called before the
block is fully connected.

* Use a mutex to ensure that only one thread executes ActivateBestChain

It might happen that 2 threads enter ActivateBestChain at the same time
start processing block by block, while randomly switching between threads
so that sometimes one thread processed the block and then another one
processes it. A mutex protects ActivateBestChain now against this race.

* Rename local copy of bestChainLockBlockIndex to currentBestChainLockBlockIndex

* Don't call ActivateBestChain when best CL is part of the main chain
2019-03-13 16:00:54 +03:00
UdjinM6
fbf0dcb086
Various small cleanups (#2761)
* Fix remaining `print`s in tests

* use AssertLockHeld(cs) instead of relying on comments

* actually use `clsig` in `EnforceBestChainLock()`

* fix log output in `EnforceBestChainLock()`

* drop comments
2019-03-11 16:32:26 +03:00
Alexander Block
2299ee2836 Rename IXLOCK to ISLOCK and InstantX to InstantSend 2019-03-07 21:15:09 +01:00
Alexander Block
280690792a Combine loops in CChainLocksHandler::NewPoWValidBlock 2019-03-07 21:15:09 +01:00
Alexander Block
2a7a5c6338 Only sign ChainLocks when all included TXs are "safe"
Safe means that the TX is either ixlocked or known since at least 10
minutes.

Also change miner code to only include safe TXs in block templates.
2019-03-07 21:15:09 +01:00
Alexander Block
96291e7a0f Cheaper/Faster bailout from TrySignChainTip when already signed before 2019-03-07 21:15:09 +01:00
Alexander Block
0a5e8eb862 Move ChainLock signing into TrySignChainTip and call it periodically
Later commits will introduce checks for "safe TXs" which might abort the
signing on first try, but succeed a few seconds later, so we periodically
retry to sign the tip.
2019-03-07 21:15:09 +01:00
Alexander Block
bd7edc8ae9 Track txids of new blocks and first-seen time of TXs in CChainLocksHandler 2019-03-07 21:15:09 +01:00
Alexander Block
2bbac8ff77 Introduce NotifyChainLock signal and invoke it when CLSIGs get processed 2019-03-07 21:14:31 +01:00
Alexander Block
8dd9349224
Don't be too harsh for invalid CLSIGs (#2742)
The local node might be the bad one actually as it might not have catched
up with the chain. In that case, LLMQs might be different for the sending
and receiving node.
2019-03-06 08:00:21 +01:00
Alexander Block
f305cf77b6 Multiple fixes and optimizations for LLMQs and ChainLocks (#2724)
* Indicate success when signing was unnecessary

* Fix typo in name of LLMQ_400_60

* Move RemoveAskFor call for CLSIGs into ProcessNewChainLock

In case we got INV items for the same CLSIG that we recreated through
HandleNewRecoveredSig, (re-)requesting of the CLSIG from other peers
becomes unnecessary.

* Move Cleanup() call in CChainLocksHandler::UpdatedBlockTip up

We bail out early in a few situations from this method, so that Cleanup()
might not be called while its at the bottom.

* Bail out from CChainLocksHandler::UpdatedBlockTip if we already got the CLSIG

* Call RemoveAskFor when QFCOMMITMENT was received

Otherwise we might end up re-requesting it for a very long time when the
commitment INV was received shortly before it got mined.

* Call RemoveSigSharesForSession when a recovered sig is received

Otherwise we end up with session data in node states lingering around until
a fake "timeout" occurs (can be seen in the logs).

* Better handling of false-positive conflicts in CSigningManager

The old code was emitting a lot of messages in logs as it treated sigs
for exactly the same session as a conflict. This commit fixes this by
looking at the signHash before logging.

Also handle a corner-case where a recovered sig might be deleted between
the HasRecoveredSigForId and GetRecoveredSigById call.

* Don't run into session timeout when sig shares come in slow

Instead of just tracking when the first share was received, we now also
track when the last (non-duplicate) share was received. Sessios will now
timeout 5 minutes after the first share arrives, or 1 minute after the last
one arrived.
2019-02-27 16:10:12 +03:00