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Dash - Reinventing Cryptocurrency

bitcoin blockchain cryptocurrency dash governance instant masternode p2p privacy

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gladcow bc45a2f87a Backport compact blocks functionality from bitcoin (#1966 ) * Merge #8068: Compact Blocks `48efec8` Fix some minor compact block issues that came up in review (Matt Corallo) `ccd06b9` Elaborate bucket size math (Pieter Wuille) `0d4cb48` Use vTxHashes to optimize InitData significantly (Matt Corallo) `8119026` Provide a flat list of txid/terators to txn in CTxMemPool (Matt Corallo) `678ee97` Add BIP 152 to implemented BIPs list (Matt Corallo) `56ba516` Add reconstruction debug logging (Matt Corallo) `2f34a2e` Get our "best three" peers to announce blocks using cmpctblocks (Matt Corallo) `927f8ee` Add ability to fetch CNode by NodeId (Matt Corallo) `d25cd3e` Add receiver-side protocol implementation for CMPCTBLOCK stuff (Matt Corallo) `9c837d5` Add sender-side protocol implementation for CMPCTBLOCK stuff (Matt Corallo) `00c4078` Add protocol messages for short-ids blocks (Matt Corallo) `e3b2222` Add some blockencodings tests (Matt Corallo) `f4f8f14` Add TestMemPoolEntryHelper::FromTx version for CTransaction (Matt Corallo) `85ad31e` Add partial-block block encodings API (Matt Corallo) `5249dac` Add COMPACTSIZE wrapper similar to VARINT for serialization (Matt Corallo) `cbda71c` Move context-required checks from CheckBlockHeader to Contextual... (Matt Corallo) `7c29ec9` If AcceptBlockHeader returns true, pindex will be set. (Matt Corallo) `96806c3` Stop trimming when mapTx is empty (Pieter Wuille) * Merge #8408: Prevent fingerprinting, disk-DoS with compact blocks `1d06e49` Ignore CMPCTBLOCK messages for pruned blocks (Suhas Daftuar) `1de2a46` Ignore GETBLOCKTXN requests for unknown blocks (Suhas Daftuar) * Merge #8418: Add tests for compact blocks `45c7ddd` Add p2p test for BIP 152 (compact blocks) (Suhas Daftuar) `9a22a6c` Add support for compactblocks to mininode (Suhas Daftuar) `a8689fd` Tests: refactor compact size serialization in mininode (Suhas Daftuar) `9c8593d` Implement SipHash in Python (Pieter Wuille) `56c87e9` Allow changing BIP9 parameters on regtest (Suhas Daftuar) * Merge #8505: Trivial: Fix typos in various files `1aacfc2` various typos (leijurv) * Merge #8449: [Trivial] Do not shadow local variable, cleanup `a159f25` Remove redundand (and shadowing) declaration (Pavel Janík) `cce3024` Do not shadow local variable, cleanup (Pavel Janík) * Merge #8739: [qa] Fix broken sendcmpct test in p2p-compactblocks.py `157254a` Fix broken sendcmpct test in p2p-compactblocks.py (Suhas Daftuar) * Merge #8854: [qa] Fix race condition in p2p-compactblocks test `b5fd666` [qa] Fix race condition in p2p-compactblocks test (Suhas Daftuar) * Merge #8393: Support for compact blocks together with segwit `27acfc1` [qa] Update p2p-compactblocks.py for compactblocks v2 (Suhas Daftuar) `422fac6` [qa] Add support for compactblocks v2 to mininode (Suhas Daftuar) `f5b9b8f` [qa] Fix bug in mininode witness deserialization (Suhas Daftuar) `6aa28ab` Use cmpctblock type 2 for segwit-enabled transfer (Pieter Wuille) `be7555f` Fix overly-prescriptive p2p-segwit test for new fetch logic (Matt Corallo) `06128da` Make GetFetchFlags always request witness objects from witness peers (Matt Corallo) * Merge #8882: [qa] Fix race conditions in p2p-compactblocks.py and sendheaders.py `b55d941` [qa] Fix race condition in sendheaders.py (Suhas Daftuar) `6976db2` [qa] Another attempt to fix race condition in p2p-compactblocks.py (Suhas Daftuar) * Merge #8904: [qa] Fix compact block shortids for a test case `4cdece4` [qa] Fix compact block shortids for a test case (Dagur Valberg Johannsson) * Merge #8637: Compact Block Tweaks (rebase of #8235) `3ac6de0` Align constant names for maximum compact block / blocktxn depth (Pieter Wuille) `b2e93a3` Add cmpctblock to debug help list (instagibbs) `fe998e9` More agressively filter compact block requests (Matt Corallo) `02a337d` Dont remove a "preferred" cmpctblock peer if they provide a block (Matt Corallo) * Merge #8975: Chainparams: Trivial: In AppInit2(), s/Params()/chainparams/ `6f2f639` Chainparams: Trivial: In AppInit2(), s/Params()/chainparams/ (Jorge Timón) * Merge #8968: Don't hold cs_main when calling ProcessNewBlock from a cmpctblock `72ca7d9` Don't hold cs_main when calling ProcessNewBlock from a cmpctblock (Matt Corallo) * Merge #8995: Add missing cs_main lock to ::GETBLOCKTXN processing `dfe7906` Add missing cs_main lock to ::GETBLOCKTXN processing (Matt Corallo) * Merge #8515: A few mempool removal optimizations `0334430` Add some missing includes (Pieter Wuille) `4100499` Return shared_ptr<CTransaction> from mempool removes (Pieter Wuille) `51f2783` Make removed and conflicted arguments optional to remove (Pieter Wuille) `f48211b` Bypass removeRecursive in removeForReorg (Pieter Wuille) * Merge #9026: Fix handling of invalid compact blocks `d4833ff` Bump the protocol version to distinguish new banning behavior. (Suhas Daftuar) `88c3549` Fix compact block handling to not ban if block is invalid (Suhas Daftuar) `c93beac` [qa] Test that invalid compactblocks don't result in ban (Suhas Daftuar) * Merge #9039: Various serialization simplifcations and optimizations `d59a518` Use fixed preallocation instead of costly GetSerializeSize (Pieter Wuille) `25a211a` Add optimized CSizeComputer serializers (Pieter Wuille) `a2929a2` Make CSerAction's ForRead() constexpr (Pieter Wuille) `a603925` Avoid -Wshadow errors (Pieter Wuille) `5284721` Get rid of nType and nVersion (Pieter Wuille) `657e05a` Make GetSerializeSize a wrapper on top of CSizeComputer (Pieter Wuille) `fad9b66` Make nType and nVersion private and sometimes const (Pieter Wuille) `c2c5d42` Make streams' read and write return void (Pieter Wuille) `50e8a9c` Remove unused ReadVersion and WriteVersion (Pieter Wuille) * Merge #9058: Fixes for p2p-compactblocks.py test timeouts on travis (#8842) `dac53b5` Modify getblocktxn handler not to drop requests for old blocks (Russell Yanofsky) `55bfddc` [qa] Fix stale data bug in test_compactblocks_not_at_tip (Russell Yanofsky) `47e9659` [qa] Fix bug in compactblocks v2 merge (Russell Yanofsky) * Merge #9160: [trivial] Fix hungarian variable name `ec34648` [trivial] Fix hungarian variable name (Russell Yanofsky) * Merge #9159: [qa] Wait for specific block announcement in p2p-compactblocks `dfa44d1` [qa] Wait for specific block announcement in p2p-compactblocks (Russell Yanofsky) * Merge #9125: Make CBlock a vector of shared_ptr of CTransactions `b4e4ba4` Introduce convenience type CTransactionRef (Pieter Wuille) `1662b43` Make CBlock::vtx a vector of shared_ptr<CTransaction> (Pieter Wuille) `da60506` Add deserializing constructors to CTransaction and CMutableTransaction (Pieter Wuille) `0e85204` Add serialization for unique_ptr and shared_ptr (Pieter Wuille) * Merge #8872: Remove block-request logic from INV message processing `037159c` Remove block-request logic from INV message processing (Matt Corallo) `3451203` [qa] Respond to getheaders and do not assume a getdata on inv (Matt Corallo) `d768f15` [qa] Make comptool push blocks instead of relying on inv-fetch (mrbandrews) * Merge #9199: Always drop the least preferred HB peer when adding a new one. `ca8549d` Always drop the least preferred HB peer when adding a new one. (Gregory Maxwell) * Merge #9233: Fix some typos `15fa95d` Fix some typos (fsb4000) * Merge #9260: Mrs Peacock in The Library with The Candlestick (killed main.{h,cpp}) `76faa3c` Rename the remaining main.{h,cpp} to validation.{h,cpp} (Matt Corallo) `e736772` Move network-msg-processing code out of main to its own file (Matt Corallo) `87c35f5` Remove orphan state wipe from UnloadBlockIndex. (Matt Corallo) * Merge #9014: Fix block-connection performance regression `dd0df81` Document ConnectBlock connectTrace postconditions (Matt Corallo) `2d6e561` Switch pblock in ProcessNewBlock to a shared_ptr (Matt Corallo) `2736c44` Make the optional pblock in ActivateBestChain a shared_ptr (Matt Corallo) `ae4db44` Create a shared_ptr for the block we're connecting in ActivateBCS (Matt Corallo) `fd9d890` Keep blocks as shared_ptrs, instead of copying txn in ConnectTip (Matt Corallo) `6fdd43b` Add struct to track block-connect-time-generated info for callbacks (Matt Corallo) * Merge #9240: Remove txConflicted `a874ab5` remove internal tracking of mempool conflicts for reporting to wallet (Alex Morcos) `bf663f8` remove external usage of mempool conflict tracking (Alex Morcos) * Merge #9344: Do not run functions with necessary side-effects in assert() `da9cdd2` Do not run functions with necessary side-effects in assert() (Gregory Maxwell) * Merge #9273: Remove unused CDiskBlockPos* argument from ProcessNewBlock `a13fa4c` Remove unused CDiskBlockPos* argument from ProcessNewBlock (Matt Corallo) * Merge #9352: Attempt reconstruction from all compact block announcements `813ede9` [qa] Update compactblocks test for multi-peer reconstruction (Suhas Daftuar) `7017298` Allow compactblock reconstruction when block is in flight (Suhas Daftuar) * Merge #9252: Release cs_main before calling ProcessNewBlock, or processing headers (cmpctblock handling) `bd02bdd` Release cs_main before processing cmpctblock as header (Suhas Daftuar) `680b0c0` Release cs_main before calling ProcessNewBlock (cmpctblock handling) (Suhas Daftuar) * Merge #9283: A few more CTransactionRef optimizations `91335ba` Remove unused MakeTransactionRef overloads (Pieter Wuille) `6713f0f` Make FillBlock consume txn_available to avoid shared_ptr copies (Pieter Wuille) `62607d7` Convert COrphanTx to keep a CTransactionRef (Pieter Wuille) `c44e4c4` Make AcceptToMemoryPool take CTransactionRef (Pieter Wuille) * Merge #9375: Relay compact block messages prior to full block connection `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 CBlockIndexes in net_processing const (Matt Corallo) Merge #9486: Make peer=%d log prints consistent `e6111b2` Make peer id logging consistent ("peer=%d" instead of "peer %d") (Matt Corallo) * Merge #9400: Set peers as HB peers upon full block validation `d4781ac` Set peers as HB peers upon full block validation (Gregory Sanders) * Merge #9499: Use recent-rejects, orphans, and recently-replaced txn for 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) * Merge #9587: Do not shadow local variable named `tx`. `44f2baa` Do not shadow local variable named `tx`. (Pavel Janík) * Merge #9510: [trivial] Fix typos in comments `cc16d99` [trivial] Fix typos in comments (practicalswift) * Merge #9604: [Trivial] add comment about setting peer as HB peer. `dd5b011` [Trivial] add comment about setting peer as HB peer. (John Newbery) * Fix using of AcceptToMemoryPool in PrivateSend code * add `override` * fSupportsDesiredCmpctVersion * bring back tx ressurection in DisconnectTip * Fix delayed headers * Remove unused CConnman::FindNode overload * Fix typos and comments * Fix minor code differences * Don't use rejection cache for corrupted transactions Partly based on https://github.com/bitcoin/bitcoin/pull/8525 * Backport missed cs_main locking changes Missed from `58a215ce8c` * Backport missed comments and mapBlockSource.emplace call Missed from two commits: `88c35491ab` `7c98ce584e` * Add CheckPeerHeaders() helper and check in (nCount == 0) too		2018-04-11 14:06:01 +03:00
.github	Use "Dash Core" instead of "dash-core" in some places and Dashify	2018-01-16 08:30:14 +01:00
.tx	Merge remote-tracking branch 'bitcoin/0.12' into HEAD	2016-02-06 16:48:04 +03:00
build-aux/m4	Merge #9705 : build: Add options to override BDB cflags/libs	2018-01-23 09:24:28 +01:00
contrib	[GUI] Create QR-code for Masternode private key (#1970 )	2018-03-08 15:17:34 +03:00
dash-docs	Update protocol-documentation.md (#1964 )	2018-03-02 16:13:47 +03:00
depends	Merge #9114 : [depends] Set OSX_MIN_VERSION to 10.8	2018-02-07 10:47:44 +01:00
doc	Backport compact blocks functionality from bitcoin (#1966 )	2018-04-11 14:06:01 +03:00
docker	Automatically build and push docker image to docker.io/dashpay/dashd-develop (#1809 )	2018-01-10 12:17:43 +03:00
qa	Backport compact blocks functionality from bitcoin (#1966 )	2018-04-11 14:06:01 +03:00
share	Merge #9651 : Fix typos	2018-01-23 09:24:27 +01:00
src	Backport compact blocks functionality from bitcoin (#1966 )	2018-04-11 14:06:01 +03:00
.gitattributes
.gitignore	Add dummy CMakeLists.txt file to make development with CLion easier (#1978 )	2018-03-09 15:41:28 +03:00
.travis.yml	Fix use of distdir and docker build dir	2018-01-21 14:14:34 +01:00
autogen.sh	Merge #8784 : Copyright headers for build scripts	2018-01-12 08:02:45 +01:00
CMakeLists.txt	Add dummy CMakeLists.txt file to make development with CLion easier (#1978 )	2018-03-09 15:41:28 +03:00
configure.ac	Merge #10120 : util: Work around (virtual) memory exhaustion on 32-bit w/ glibc	2018-01-26 12:59:29 +01:00
CONTRIBUTING.md	Merge #9675 : Fix typo and spelling inconsistency in CONTRIBUTING.md	2018-01-23 09:24:29 +01:00
COPYING	Merge #9617 : [Trivial] Update license year range to 2017	2018-01-21 12:48:33 +01:00
INSTALL.md	Dashify INSTALL.md and build-unix.md	2018-01-12 16:12:54 +01:00
libdashconsensus.pc.in	Merge #7192 : Unify product name to as few places as possible	2017-12-11 08:30:26 +01:00
Makefile.am	Merge #10228 : build: regenerate bitcoin-config.h as necessary	2018-01-26 12:59:29 +01:00
README.md	Merge #9065 : Merge `doc/unit-tests.md` into `src/test/README.md`	2018-01-13 13:44:39 +01:00

README.md

Dash Core staging tree 0.12.2

master: develop:

https://www.dash.org

What is Dash?

Dash is an experimental digital currency that enables anonymous, instant payments to anyone, anywhere in the world. Dash uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Dash Core is the name of the open source software which enables the use of this currency.

For more information, as well as an immediately useable, binary version of the Dash Core software, see https://www.dash.org/get-dash/.

License

Dash Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.

Development Process

The master branch is meant to be stable. Development is normally done in separate branches. Tags are created to indicate new official, stable release versions of Dash Core.

The contribution workflow is described in CONTRIBUTING.md.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests of the RPC interface, written in Python, that are run automatically on the build server. These tests can be run (if the test dependencies are installed) with: qa/pull-tester/rpc-tests.py

The Travis CI system makes sure that every pull request is built for Windows, Linux, and OS X, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

Translations

Changes to translations as well as new translations can be submitted to Dash Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.

Translators should also follow the forum.