The ApoCLypse Bitcoin Miner
apoclypsebm - The ApoCLypse Bitcoin Miner
This hobby project maintained by Justin T. Arthur undertakes the quixotic task of maintaining a modern Bitcoin miner for programmable compute devices like GPUs. It was forked from the PyOpenCL Bitcoin Miner (poclbm), a project authored by m0mchil and contributors.
It features an OpenCL Kernel that has incorporated ideas or code from:
If your work is represented herein and I didn't give you credit, please let me know. At the moment, I reserve no rights to the mining driver or the OpenCL kernel. They were derived from public domain works.
At the time of writing, on-chip implementations of the Bitcoin mining algorithm will outperform this software in both time and joules expended. Under most conditions, mining blocks on a Bitcoin chain where on-chip implementations are competing would be at a tremendous waste of expended resources.
It looks like the work sourcing threads run into i/o issues occasionally due to using the not-thread-safe Python http lib. I don't aim to address this as most of the threaded communication ought to be completely replaced by an event runner like asyncio or trio at some point.
Thanks to @momchil for the original
getwork code, @luke-jr @sipa and @vsergeev
for helping me understand getblocktemplate.
In an environment with Python 3.5+:
pip3 install apoclypsebm
apoclypse [OPTION]... SERVER[#tag]...
SERVER is one or more [http[s]|stratum://]user:pass@host:port (required)
[#tag] is an optional per server user-friendly name displayed in stats.
Options: --version show program's version number and exit -h, --help show this help message and exit --verbose verbose output, suitable for redirection to log file -q, --quiet suppress all output except hash rate display --proxy=PROXY specify as [[socks4|socks5|http://]user:pass@]host:port (default proto is socks5) --no-ocl don't use OpenCL --no-bfl don't use Butterfly Labs --stratum-proxies search for and use stratum proxies in subnet -d DEVICE, --device=DEVICE comma separated device IDs, by default will use all (for OpenCL - only GPU devices) -a ADDRESS, --address=ADDRESS Bitcoin address to spend the block reward to if allowed. Required for solo mining, ignored with stratum or getwork sources. --coinbase-msg=COINBASE_MSG Custom text to include in the coinbase of the generation tx if allowed, encoded as UTF-8. default=ApoCLypse Miner Options: -r RATE, --rate=RATE hash rate display interval in seconds, default=1 (60 with --verbose) -e ESTIMATE, --estimate=ESTIMATE estimated rate time window in seconds, default 900 (15 minutes) -t TOLERANCE, --tolerance=TOLERANCE use fallback pool only after N consecutive connection errors, default 2 -b FAILBACK, --failback=FAILBACK attempt to fail back to the primary pool after N seconds, default 60 --cutoff-temp=CUTOFF_TEMP AMD GPUs, BFL only. For GPUs requires github.com/mjmvisser/adl3. Comma separated temperatures at which to skip kernel execution, in C, default=95 --cutoff-interval=CUTOFF_INTERVAL how long to not execute calculations if CUTOFF_TEMP is reached, in seconds, default=0.01 --no-server-failbacks disable using failback hosts provided by server OpenCL Options: Every option except 'platform' and 'vectors' can be specified as a comma separated list. If there aren't enough entries specified, the last available is used. Use --vv to specify per-device vectors usage. -p PLATFORM, --platform=PLATFORM use platform by id -k KERNEL, --kernel=KERNEL OpenCL Kernel to use. Defaults to apoclypse-0 -w WORKSIZE, --worksize=WORKSIZE work group size, default is maximum reported by the driver. -f FRAMES, --frames=FRAMES will try to bring single kernel execution to 1/frames seconds, default=30, increase this for less desktop lag -s FRAME_SLEEP, --sleep=FRAME_SLEEP sleep per frame in seconds, default 0 --vv=VECTORS Specifies size of SIMD vectors per selected device. Only size 0 (no vectors) and 2 supported for now. Comma separated for each device. e.g. 0,2,2 -v, --vectors Use 2-item vectors for all devices.
Solo mining against a Bitcoin Core node's RPC port:
apoclypse --address bc1qf2277gpv3hlewlqq2cuvf77qz5xcjzr7njf3s9 --verbose http://u:email@example.com:8332
Mining on OpenCL platform 0, device 1 against a stratum server:
apoclypse -p 0 -d 1 --verbose stratum://u:firstname.lastname@example.org:3333
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