0) Adjust BIP30 enforcement values 1) Reduce amount that peers can adjust our time to eliminate an attack vector. Thanks to coblee for this fix. 2) Zeitgeist2 patch - thanks to Lolcust and ArtForz. This fixes an issue where a 51% attack can change difficulty at will. Go back the full period unless it's the first retarget after genesis. 3) Avoid overflow in CalculateNextWorkRequired(). Thanks to pooler for the overflow fix. 4) Zeitgeist2 bool fshift bnNew.bits(). Thanks to romanornr for this path. 5) SegWit ContextualCheckBlockHeader adjustment and extra coverage. 6) Reject peer proto version below 70002. Thanks to wtogami for this patch. 7) Send final alert message to nodes warning about removal of the alert system. Thanks to coblee for this patch. 8) Adjust default settings for Litecoin. 9) Adjust STALE_CHECK_INTERVAL value
Repository Tools
Developer tools
Specific tools for developers working on this repository.
Additional tools, including the github-merge.py script, are available in the maintainer-tools repository.
Verify-Commits
Tool to verify that every merge commit was signed by a developer using the github-merge.py script.
Linearize
Construct a linear, no-fork, best version of the blockchain.
Qos
A Linux bash script that will set up traffic control (tc) to limit the outgoing bandwidth for connections to the Bitcoin network. This means one can have an always-on bitcoind instance running, and another local bitcoind/bitcoin-qt instance which connects to this node and receives blocks from it.
Seeds
Utility to generate the pnSeed[] array that is compiled into the client.
Build Tools and Keys
Packaging
The Debian subfolder contains the copyright file.
All other packaging related files can be found in the bitcoin-core/packaging repository.
Gitian-descriptors
Files used during the gitian build process. For more information about gitian, see the the Bitcoin Core documentation repository.
Gitian-keys
PGP keys used for signing Bitcoin Core Gitian release results.
MacDeploy
Scripts and notes for Mac builds.
Gitian-build
Script for running full Gitian builds.
Test and Verify Tools
TestGen
Utilities to generate test vectors for the data-driven Bitcoin tests.
Verify Binaries
This script attempts to download and verify the signature file SHA256SUMS.asc from bitcoin.org.