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Remove IsFromMe() check in CTxMemPool::accept()
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Fixes issue #2178 : attacker could penny-flood with invalid-signature
transactions to deduce which addresses belonged to your node.
I'm committing this early for code review; I still need to write up
a test plan.
Executive summary of fix: check all transactions received from the network
for penny-flood rate-limiting before adding to the memory pool. But do NOT
ratelimit transactions added to the memory pool:
- because of blockchain reorgs
- stored in the wallet and added at startup
- sent from the GUI or one of the send* RPC commands (CWallet::CommitTransaction)
The limit-free-transactions code really should be a method on CNode, with
counters per-peer. But that is a bigger change for another day.
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- fetch current translations from Transifex
- update bitcoinstrings.cpp and bitcoin_en.ts
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Add optional transaction index to databases
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By specifying -txindex when initializing the database, a txid-to-diskpos
index is maintained in the blktree database. This database is used to
help answering getrawtransaction() RPC queries, when enabled.
Changing the -txindex value requires a -reindex; the client will abort
at startup if the database and the specified -txindex mismatch.
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Leveldb19
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https://groups.google.com/d/msg/leveldb/Kc9JxuIUu5A/9P0N9RL4ar8J
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Several changes to make the native windows leveldb code compile
with mingw32 and run on 32-bit Windows:
* Remove -std=c++0x dependency (modified code to use NULL instead of
nullptr)
* Link with -lshlwapi
* Only #define snprintf/etc if compiling with Visual Studio
* Do not link against DbgHelp.lib (wrote a CreateDir instead of using
DbgHelp's MakeSureDirectoryPathExists
* Define WINVER=0x0500 so MinGW32 can use the 64-bit-filesystem Windows
api calls
* Define __USE_MINGW_ANSI_STDIO=1 to use MinGW's printf (which supports
%ll)
I also cleaned up makefile.mingw, assuming that dependencies would be in
the standard /usr/local/{include,lib} by default but allowing overriding
with make DEPSDIR=... etc
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Import native Windows LevelDB port by Hiram Chirino.
Extracted from from https://github.com/chirino/leveldb.git using
git diff dd0d562..aea83b7
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- don't show QR Code context menu, when USE_QRCODE=1 was not specified
when compiling the client
- re-work on_showQRCode_clicked() for better readability and remove an
unneeded duplicate check
- re-work on_signMessage_clicked() and on_verifyMessage_clicked() to match
foreach in on_showQRCode_clicked(), which seems more robust / cleaner
- re-order context menu stuff to match real context menu layout
- add comments for all private slots in the class
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Bugfix - Moved SyncWithWallets out of ProcessMessage and into CTxMemPool::accept()
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that when adding multiple wallets they will be aware of each other's transactions.
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Make IsCanonicalScript() check the hash type more thoroughly
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0 and 128 were previously accepted as standard hash type.
Note that this function is not active in the current verification
code.
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enable GCC large address aware linker flag (Windows only)
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- this flag allows bitcoin-qt.exe / bitcoind.exe (32-bit application) to
handle addresses larger than 2GB (up to 3GB on x86 Windows and up to
4GB on x64 Windows)
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Add a notfound message to getdata.
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aren't in the relayable set are requested.
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Send transactions after a CMerkleBlock when asked for it in an inv.
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This actually simplifies some SPV code, as they can keep track of
a filtered block and its txn before accepting both in one step.
The previous argument was that SPV nodes should handle the txn the
same as any other free txn and then mark them as connected to a
block when they get the filtered block itself. However, it now
appears that SPV nodes will need to put in more effort to verify
loose txn than they would to verify txn in blocks, thus making it
more approriate to send the txn after the filtered block.
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In listaddressgroupings push down the IsMine check to run on each input.
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This avoids a potential crash when trying to read the scrippubkeys on
transactions where the first input IsMine but some of the rest are not
when running listaddressgroupings.
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Bitcoin-Qt: extend parseBitcoinURI() pre-check
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- add check to verify if an URI is valid
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Bugfix + simplify special case for genesis
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- just replaces a character in a comment, which I had problems with when
opening the file in Qt Creator IDE
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Bitcoin-Qt: fix known addressbook bugs
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- add qSort() for cachedAddressTable, as qLowerBound() and qUpperBound()
require the list to be in ascending order (see
http://harmattan-dev.nokia.com/docs/library/html/qt4/qtalgorithms.html#qLowerBound)
- add a new check in AddressTableModel::setData() to just return, when no
changes were made to a label or an address (prevents entry duplication
issue)
- remove "rec->label = value.toString();" from
AddressTableModel::setData() as the label gets updated by
AddressTablePriv::updateEntry() anyway (seems @sipa added this line via
https://github.com/bitcoin/bitcoin/commit/1025440184ef100a22d07c7bb543ee45cf169d64#L6R225)
- add another new check in AddressTableModel::setData() to just return, if
a duplicate address was found (prevents address overwrite)
- add a new check to EditAddressDialog::setModel() to prevent setting an
invalid model
- re-work the switch-case statement in AddressTableModel::accept() to
always break (as return get's called anyway) and order the list to match
the enum definition
- make accept() in editaddressdialog.h a public slot, which it should be
- misc small coding style changes
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add InitMessage() to noui and use debug.log for GUI
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- this pull adds an InitMessage() function to noui.cpp, which outputs init
messages to debug.log (this allows to remove some printf() calls from
init.cpp)
- change InitMessage() in bitcoin.cpp to also write init messages to
debug.log to ensure nothting is missing in the log because of the
removal of printf() calls in init.cpp
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Make output of gettxout RPC more consistent
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* Report "value" in BTC, rather than "amount" in satoshis
* Use ScriptPubKeyToJSON to report script data
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Parallel script verification
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Since block validation happens in parallel, multiple threads may be
accessing the signature cache simultaneously. To prevent contention:
* Turn the signature cache lock into a shared mutex
* Make reading from the cache only acquire a shared lock
* Let block validations not store their results in the cache
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* During block verification (when parallelism is requested), script
check actions are stored instead of being executed immediately.
* After every processed transactions, its signature actions are
pushed to a CScriptCheckQueue, which maintains a queue and some
synchronization mechanism.
* Two or more threads (if enabled) start processing elements from
this queue,
* When the block connection code is finished processing transactions,
it joins the worker pool until the queue is empty.
As cs_main is held the entire time, and all verification must be
finished before the block continues processing, this does not reach
the best possible performance. It is a less drastic change than
some more advanced mechanisms (like doing verification out-of-band
entirely, and rolling back blocks when a failure is detected).
The -par=N flag controls the number of threads (1-16). 0 means auto,
and is the default.
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Bloom filters
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