82bb7831fa6052620998c7eef47e48ed594248a8 wallet: skip block scan if block was created before wallet birthday (furszy) a082434d122754ec1a10e0e08a35bdb1f47989e6 refactor: single method to append new spkm to the wallet (furszy) Pull request description: During initial block download, the node's wallet(s) scans every arriving block looking for data that it owns. This process can be resource-intensive, as it involves sequentially scanning all transactions within each arriving block. To avoid wasting processing power, we can skip blocks that occurred before the wallet's creation time, since these blocks are guaranteed not to contain any relevant wallet data. This has direct implications (an speed improvement) on the underlying blockchain synchronization process as well. The reason is that the validation interface queue is limited to 10 tasks per time. This means that no more than 10 blocks can be waiting for the wallet(s) to be processed while we are synchronizing the chain (activating the best chain to be more precise). Which can be a bottleneck if blocks arrive and are processed faster from the network than what they are processed by the wallet(s). So, by skipping not relevant blocks in the wallet's IBD scanning process, we will also improve the chain synchronization time. ACKs for top commit: ishaanam: re-ACK 82bb7831fa6052620998c7eef47e48ed594248a8 achow101: re-ACK 82bb7831fa6052620998c7eef47e48ed594248a8 pinheadmz: ACK 82bb7831fa6052620998c7eef47e48ed594248a8 Tree-SHA512: 70158c9657f1fcc396badad2c4410b7b7f439466142640b31a9b1a8cea4555e45ea254e48043c9b27f783d5e4d24d91855f0d79d42f0484b8aa83cdbf3d6c50b
Bitcoin Core integration/staging tree
For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.
What is Bitcoin Core?
Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built.
Further information about Bitcoin Core is available in the doc folder.
License
Bitcoin 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 regularly built (see doc/build-*.md
for instructions) and tested, but it is not guaranteed to be
completely stable. Tags are created
regularly from release branches to indicate new official, stable release versions of Bitcoin Core.
The https://github.com/bitcoin-core/gui repository is used exclusively for the development of the GUI. Its master branch is identical in all monotree repositories. Release branches and tags do not exist, so please do not fork that repository unless it is for development reasons.
The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.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, 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 Bitcoin 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.