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Monthly Downloads: 8
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags: Data     Mathematics    
Latest version: v0.2

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README

Mining Client for Kadena

A mining client for Kadena's chainweb node mining API. It supports

  • multi threaded CPU mining,
  • external mining workers (e.g. a GPU),
  • simulated mining for testing.

Competitive mining on the Kadena Mainnet requires special mining hardware, which usually comes with its own mining client and mining pool support implementations. This generic mining client is intended mostly for testing.

Installation

Prebuild binaries for the latest version are available from the GitHub Release Site.

Binaries can also be compiled with a recent version of GHC and cabal directly from Hackage

cabal install chainweb-mining-client

or from the GitHub sources

git clone https://github.com/kadena-io/chainweb-mining-client/
cd chainweb-mining-client
cabal build
cabal run chainweb-mining-client -- --help

Usage

Calling chainweb-mining-client --help provides an overview of the available usage options:

Usage: chainweb-mining-client [--info] [--long-info] [-v|--version] [--license]
                              [-?|-h|--help] [--print-config]
                              [--config-file FILE] [-r|--hash-rate ARG]
                              [-n|--node DOMAIN:PORT] [(-t|--tls) | --no-tls]
                              [(-x|--insecure) | --no-insecure]
                              [-k|--public-key ARG] [-c|--thread-count ARG]
                              [--generate-key | --no-generate-key]
                              [-l|--log-level error|warn|info|debug]
                              [-w|--worker cpu|external|simulation]
                              [--external-worker-cmd ARG]
  Kadena Chainweb Mining Client

Available options:
  --info                   Print program info message and exit
  --long-info              Print detailed program info message and exit
  -v,--version             Print version string and exit
  --license                Print license of the program and exit
  -?,-h,--help             Show this help message
  --print-config           Print the parsed configuration to standard out and
                           exit
  --config-file FILE       Configuration file in YAML or JSON format. If more
                           than a single config file option is present files are
                           loaded in the order in which they appear on the
                           command line.
  -r,--hash-rate ARG       hashes per second (only relevant for mining
                           simulation, ignored by the cpu worker)
  -n,--node DOMAIN:PORT    node to which to connect
  -t,--tls                 use TLS to connect to node
  --no-tls                 unset flag tls
  -x,--insecure            accept self-signed TLS certificates
  --no-insecure            unset flag insecure
  -k,--public-key ARG      the public-key for the mining rewards account
  -c,--thread-count ARG    number of concurrent mining threads
  --generate-key           Generate a new key pair and exit
  --no-generate-key        unset flag generate-key
  -l,--log-level error|warn|info|debug
                           Level at which log messages are written to the
                           console
  -w,--worker cpu|external|simulation
                           The type of mining worker that is used
  --external-worker-cmd ARG
                           command that is used to call an external worker. When
                           the command is called the target value is added as
                           last parameter to the command line.

Configurations are loaded in order from the following sources:
  1. Configuration files from locations provided through --config-file options
     in the order as they appear.
  2. Command line options.

Configuration file locations can be either local file system paths or remote
HTTP or HTTPS URLs. Remote URLs must start with either "http://" or "https://".

Configuration settings that are loaded later overwrite settings that were loaded
before.

Usage Examples

Generating a New Key Pair

chainweb-mining-client --generate-key

This outputs a public and a private key. The public key is given to the mining client. The private key must be kept secret.

public:  87ef8fdb229ad10285ae191a168ea2ec0794621a127df21e372f41fd0246e4cf
private: 64ef6379db5ef6004aff98182688c6e8b4a5229e706f1ccf6a73b05b1432aedf

CPU Mining

Assuming that example.com serves the chainweb-node mining API on port 443, the following command can be used for CPU mining to the from the previous example:

chainweb-mining-client --tls --public-key 87ef8fdb229ad10285ae191a168ea2ec0794621a127df21e372f41fd0246e4cf --node example.com:443 --worker cpu --thread-count 16 --log-level info

If the chainweb-node uses a self-signed certificate the flag --insecure can be used to disable certificate validation.

If a version of chainweb-node is used that serves the mining API on a separate port using plain HTTP, the --tls flag is ommitted.

GPU Mining

GPU mining is supported via calling an external worker that does the mining work. An example for such a GPU mining tool for Kadena is bigolchunugus.

chainweb-mining-client --tls --public-key 87ef8fdb229ad10285ae191a168ea2ec0794621a127df21e372f41fd0246e4cf --node example.com:443 --worker external --external-miner-cmd bigolchunus

For selecting the GPU or passing additional arguments to the external tools, the extra parameters are appended to the command. E.g.

chainweb-mining-client --tls --public-key 87ef8fdb229ad10285ae191a168ea2ec0794621a127df21e372f41fd0246e4cf --node example.com:443 --worker external --external-worker-cmd "bigolchunus -d 2"

The external mining tool is called by adding the target as the last command line parameter and passing the work bytes on stdin.

Creating a Configuration File

The current configuration of chainweb-mining-client can be stored in a configuration file by adding the --print-config parameter

chainweb-mining-client --tls --public-key 87ef8fdb229ad10285ae191a168ea2ec0794621a127df21e372f41fd0246e4cf --node example.com:443 --worker external --external-worker-cmd "bigolchunus -d 2" --print-config > config.yml

This would result in the following configuration file:

logLevel: info
threadCount: 10
node: example.com:443
publicKey: 87ef8fdb229ad10285ae191a168ea2ec0794621a127df21e372f41fd0246e4cf
externalWorkerCommand: bigolchunus -d 2
generateKey: false
hashRate: 1000000.0
useTls: true
insecure: true
worker: external

The configuration can then be used via

chainweb-mining-client --config-file config.yml


*Note that all licence references and agreements mentioned in the chainweb-mining-client README section above are relevant to that project's source code only.