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Dash - Reinventing Cryptocurrency
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Merge #6330: backport: merge bitcoin#27653, #24748, #29352, #29372, #29460, #29358, #29511, #29390, #29431, bitcoin-core/gui#788 (BIP324 backports: part 4) 
4735b82979 merge bitcoin#29431: disconnection scenarios during v2 handshake (Kittywhiskers Van Gogh)
cc6b88ee37 merge bitcoin-core/gui#788: update session ID tooltip (Kittywhiskers Van Gogh)
2455862c9f merge bitcoin#29390: speedup bip324_cipher.py unit test (Kittywhiskers Van Gogh)
062aaf11e4 merge bitcoin#29511: Fix intermittent failure in rpc_net.py --v2transport (Kittywhiskers Van Gogh)
54972e8fa0 merge bitcoin#29358: use v2 everywhere for P2PConnection if --v2transport is enabled (Kittywhiskers Van Gogh)
4cce72fc3e test: add missing debug log assertion in `p2p_invalid_messages.py` (Kittywhiskers Van Gogh)
bd2fe6103d merge bitcoin#29460: assert rpc error for addnode v2transport not enabled (Kittywhiskers Van Gogh)
5ee15faba0 merge bitcoin#29372: fix intermittent failure in `rpc_setban.py --v2transport` (Kittywhiskers Van Gogh)
e2788189fd merge bitcoin#29352: fix intermittent failure in p2p_v2_earlykeyresponse (Kittywhiskers Van Gogh)
6b2a8b5988 merge bitcoin#24748: functional tests for v2 P2P encryption (Kittywhiskers Van Gogh)
32500f2acd merge bitcoin#27653: add unit test coverage for Python ECDSA implementation (Kittywhiskers Van Gogh)
9f476c6775 net: add Dash network message short IDs, allocate range 128 onwards (Kittywhiskers Van Gogh)

Pull request description:

  ## Additional Information

  * Depends on https://github.com/dashpay/dash/pull/6329

  * Dash-specific P2P messages have been allocated short IDs after 128 based on a prior suggestion ([source](https://github.com/dashpay/dash/pull/6280#issuecomment-2361453862)) as there are 255 potential short IDs (ID `0` is reserved for V1 fallback, [source](a7bbcc823d/src/net.cpp (L1019))) and upstream uses 28 short IDs (though Dash has left ID `5` blank as we do not implement the `FEEFILTER` message, [source](a7bbcc823d/src/net.cpp (L1024))).

    As it is unlikely that upstream will utilize more than 127 short IDs (and the spec refers to IDs after 32 as "undefined", [source](52894e1aa7/bip-0324.mediawiki (v2-bitcoin-p2p-message-structure))), there shouldn't be an adverse effect to utilizing IDs >=128. The unified array of short IDs are accessible through `V2ShortIDs()`.

    * As there are checks to see if an ID *can* be valid by checking against the array size (which wouldn't work here as we create an array of 256 entries combining both upstream and Dash's allocated short IDs, filling the rest with blank values and we cannot ignore blank values to know if a value is unallocated as the blanking could also signal a reservation, [source](a7bbcc823d/src/net.cpp (L1048-L1052))), such a check needs to be done by using `IsValidV2ShortID()`.
    * `V2ShortIDs()` isn't as elegant as desired as `std::fill` and `std::copy` are not `constexpr` until C++20 ([source](https://en.cppreference.com/w/cpp/algorithm/fill), [source](https://en.cppreference.com/w/cpp/algorithm/copy)) and until we drop C++17 support, we have to be mindful of that.

  * `masternode connect` will now _attempt_ to establish a P2Pv2 connection if the node *initiating* the connection has opted-in using the new argument (`v2transport`) and the node was started with P2Pv2 enabled (using the launch argument, `-v2transport`).

    This mirrors changes to behavior to `addconnection` introduced in [bitcoin#24748](https://github.com/bitcoin/bitcoin/pull/24748)

  * The oversized payload test in `p2p_invalid_messages.py` will expect an excessively large message of size of `3145729` bytes (and in P2Pv2, `3145742` bytes), as opposed to upstream's `4000001` and `4000014` bytes respectively as Dash has a lower protocol limit of 3MiB ([source](a7bbcc823d/src/net.h (L80-L81))) vs Bitcoin's 4MB ([source](225718eda8/src/net.h (L62-L63)))

  ## Breaking Changes

  None expected.

  ## Checklist:

  - [x] I have performed a self-review of my own code
  - [x] I have commented my code, particularly in hard-to-understand areas
  - [x] I have added or updated relevant unit/integration/functional/e2e tests
  - [x] I have made corresponding changes to the documentation **(note: N/A)**
  - [x] I have assigned this pull request to a milestone _(for repository code-owners and collaborators only)_

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Tree-SHA512: 4a9d586133633c109e6a8f20a6c6c5e4b24185fb616bcd8568e546b6e9f886e7a8707e811fd070bbe32c40df269f89a56343a24b67242c6147f9df27275af599
2024-10-24 11:14:57 -05:00
.github fix: fetch PR head before merging it in "check ff" 2024-10-24 15:20:15 +03:00
.tx fix: follow-up #5393 - should be used [dash.dash_ents] (#5472) 2023-07-01 14:16:50 +03:00
build-aux/m4 Merge bitcoin/bitcoin#30567: qt, build: Drop QT_STATICPLUGIN macro 2024-10-03 01:16:40 -05:00
ci Merge #6326: backport: bitcoin#20191, #20791, #21345, #21563, #22153, #22376, #22461, bitcoin-core/gui#365, bitcoin-core/gui#375, partial bitcoin#20755 2024-10-24 10:35:17 -05:00
contrib Merge #6332: backport: merge bitcoin#23114, #24262, #25502, #26373 (add sipa/minisketch as vendored dependency) 2024-10-24 10:19:22 -05:00
depends build: set -march irrespective of target operating system 2024-10-08 14:52:16 +00:00
doc Merge #6326: backport: bitcoin#20191, #20791, #21345, #21563, #22153, #22376, #22461, bitcoin-core/gui#365, bitcoin-core/gui#375, partial bitcoin#20755 2024-10-24 10:35:17 -05:00
share Merge #6111: backport: bitcoin-core/gui#154, #176, #221, #248, #251 - qt improvements and related fixes 2024-07-23 14:17:33 -05:00
src Merge #6330: backport: merge bitcoin#27653, #24748, #29352, #29372, #29460, #29358, #29511, #29390, #29431, bitcoin-core/gui#788 (BIP324 backports: part 4) 2024-10-24 11:14:57 -05:00
test Merge #6330: backport: merge bitcoin#27653, #24748, #29352, #29372, #29460, #29358, #29511, #29390, #29431, bitcoin-core/gui#788 (BIP324 backports: part 4) 2024-10-24 11:14:57 -05:00
.cirrus.yml merge bitcoin#23564: don't use deprecated brew package names 2024-10-08 15:59:17 +00:00
.dockerignore build: add dash minimal development environment container 2021-12-21 12:43:37 +05:30
.editorconfig Merge #21123: code style: Add EditorConfig file 2021-07-16 10:04:09 -05:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore Merge bitcoin/bitcoin#29733: build, macos: Drop unused osx_volname target 2024-10-04 12:54:24 -05:00
.gitlab-ci.yml fix: missing changes from bitcoin#19267 - run multiprocess on CI 2024-07-24 20:06:12 +07:00
.python-version partial Merge bitcoin/bitcoin#28210: build: Bump clang minimum supported version to 13 2024-10-06 13:36:27 -05:00
.style.yapf Merge #15533: test: .style.yapf: Set column_limit=160 2021-07-10 12:10:51 -05:00
autogen.sh Merge #17829: scripted-diff: Bump copyright of files changed in 2019 2023-12-06 11:40:14 -06:00
CMakeLists.txt chore: Added missing sources files in CMake (#5503) 2023-07-25 12:23:56 -05:00
configure.ac Merge #6332: backport: merge bitcoin#23114, #24262, #25502, #26373 (add sipa/minisketch as vendored dependency) 2024-10-24 10:19:22 -05:00
CONTRIBUTING.md Merge #6220: backport: Merge bitcoin#18448,24433, 24139, 23001, (partial) 24339, (partial) core/gui#420 2024-09-27 12:29:08 -05:00
COPYING docs: update license year range to 2024 (#5890) 2024-02-22 20:56:43 -06:00
INSTALL.md Dashify INSTALL.md and build-unix.md 2018-01-12 16:12:54 +01:00
libdashconsensus.pc.in revert dash#1432: Rename consensus source library and API 2022-08-09 14:16:28 +05:30
Makefile.am merge bitcoin#23114: Add minisketch subtree and integrate into build/test 2024-10-20 10:37:12 +00:00
README.md doc: make build steps more prominent 2024-07-18 01:22:42 -06:00
SECURITY.md docs: update SECURITY.md supported versions 2024-07-16 15:32:39 +00:00

README.md

Dash Core staging tree

CI master develop
Gitlab Build Status Build Status

https://www.dash.org

For an immediately usable, binary version of the Dash Core software, see https://www.dash.org/downloads/.

Further information about Dash Core is available in ./doc/.

What is Dash?

Dash is an experimental digital currency that enables instant, private 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 read the original Dash whitepaper.

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 develop branch is regularly built (see doc/build-*.md for instructions) and tested, but is not guaranteed to be completely stable.

The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md.

Build / Compile from Source

The ./configure, make, and cmake steps, as well as build dependencies, are in ./doc/ as well:

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, written in Python. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS, 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.