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1. Make logs available to journalctl (systemd's logging system) by not
specifying -daemonwait, which rightfully has its own set of stdout
and stderr descriptors (a user invoking with -daemonwait on the
command line should not see any logs). It makes more sense not to
daemonize in the systemd context anyway.
2. Make systemd aware of when bitcoind is started and in steady state by
specifying -startupnotify='systemd-notify --ready' and Type=notify.
NotifyAccess=all is necessary so that the spawned thread for
startupnotify is allowed to inform systemd of bitcoind's readiness.
Note that NotifyAccess=exec won't work because it only allows
sd_notify readiness signalling from Exec*= declarations in the
.service file.
3. Also make systemd aware of when bitcoind is stopping by specifying
-shutdownnotify='systemd-notify --stopping'
Note that we currently don't allow multiple *notify commands, but users
can override it in systemd via:
# systemctl edit bitcoind
By specifying something like:
[Service]
ExecStart=/usr/bin/bitcoind -pid=/run/bitcoind/bitcoind.pid \
-conf=/etc/bitcoin/bitcoin.conf \
-datadir=/var/lib/bitcoind \
-startupnotify='systemd-notify --ready; mystartupcommandhere' \
-shutdownnotify='systemd-notify --stopping; myshutdowncommandhere'
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.
Builder keys
PGP keys used for signing Bitcoin Core release results.
MacDeploy
Scripts and notes for Mac 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.