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burstcoin-jminer

GPU assisted Proof of Capacity (PoC) Miner for Burstcoin (BURST)

  1. edit 'jminer.properties' with text editor to configure miner
  2. ensure java8 (64bit) and openCL driver/sdk is installed (java9 will not work)
  3. execute 'java -jar -d64 -XX:+UseG1GC burstcoin-jminer-0.5.x-RELEASE.jar' or run the .bat/.sh file

'-d64' to ensure 64bit java (remove for 32bit) '-XX:+UseG1GC' to free memory after round finished.

The miner is configured in a text-file named 'jminer.properties'. This file has to be in the miner directory (same folder as '*.jar' file)

To get started, use one of the following examples. The min. required settings for the different mining-modes.

Pool-Setup

plotPaths=D:/,C:/,E:/plots,F:/plots
numericAccountId=<YOUR NUMERIC ACCOUNT ID>
poolServer=http://pool.com:port

Solo-Setup

plotPaths=D:/,C:/,E:/plots,F:/plots
poolMining=false
passPhrase=<YOUR PASS PHRASE>

POC1 and POC2 - NOTICE

jminer supports POC2 since version 0.5.x

only use one type, POC1 or POC2 on one drive ('plotPath'), mixed will be skipped for now.

ensure your POC2 plotfiles do not have staggersize in filename, or they will be treated like POC1.

  POC1 filename: 'numericAccountId_startNonce_numberOfNonces_staggersize'
  POC2 filename: 'numericAccountId_startNonce_numberOfNonces'

List of all properties

your 'jminer.properties' hasn't got to contain all properties listed here, most of them are optional or there is a fallback/default value for it.

Plot-Files

plotPaths (required)

list of plot paths separated with , e.g. D:/,C:/,E:/plots,F:/plots (in one line) the miner will treat every path as 'physical' drive and use one thread for it

plotPaths=D:/,C:/,E:/plots,F:/plots

scanPathsEveryRound (default:true)

optional 'true' will check 'plotPaths' for changed plot files on every round 'false' will check only on start/restart if you are moving/creating plot-files while mining, it could be disabled

scanPathsEveryRound=false

listPlotFiles (default:false)

optional ... list all plotFiles on start. If walletServer/soloServer is configured, it will show mined blocks and drive seeks/chunks of plotfile, too.

listPlotFiles=true

Mining Mode and Target Deadline

poolMining (default:true)

'true' for pool mining, 'false' for solo mining. ensure to configure the chosen mining-mode below. For solo-mining you need to set

poolMining=false

targetDeadline (optinal)

min. deadline to be committed. Will be used for pool mining if 'forceLocalTargetDeadline=true'

targetDeadline=750000

forceLocalTargetDeadline (default:false)

'true' will force jminer to use the targetDeadline specified below, even if the pool says otherwise. Only for pool mining! 'false' uses the default behavior for targetDeadline. https://www.youtube.com/watch?v=9lwogE31SiI

forceLocalTargetDeadline=true

dynamicTargetDeadline (default:false)

'true' will overrule 'targetDeadline' and 'forceLocalTargetDeadline' settings. the miner will calculate the targetDeadline dynamic on poolMining.

dynamicTargetDeadline=true

Pool-Mining

Ensure you already setup reward assignment http://localhost:8125/rewardassignment.html

numericAccountId (required for pool)

first number in all plot-files

numericAccountId=xxxxxxxxxxxxxxx

poolServer (required for pool)

format is inclusive protocol and port e.g. 'http://pool.com:8125'

poolServer=http://pool.com

walletServer (optional)

define local or online wallet, to receive and show last winner! if empty, winner feature will be just disabled. format is inclusive protocol and port e.g. 'http://localhost:8125' online use e.g. 'https://wallet.burst-team.us:8125'

walletServer=https://wallet.burst-team.us:8125

winnerRetriesOnAsync (default:4)

number of retries to get winner from walletServer

winnerRetriesOnAsync=10

winnerRetryIntervalInMs (default:500)

time to wait until next retry to get winner from walletServer

winnerRetryIntervalInMs=250

Solo-mining

soloServer (default:http://localhost:8125)

WARN! soloServer should be http://localhost:8125 or http://127.0.0.1:8125 Solo means you send your PASS on commit results!

DO NOT try to use a online wallet or pool as Server!

soloServer=http://127.0.0.1:8125

passPhrase (required for solo)

secretPhrase/password of solo mining burst-account

passPhrase=xxxxxxxxxxxxxx

triggerServer (default: false)

on 'true' miner emulates open wallet gui, to prevent wallet server from falling asleep (not sure if needed at all)

triggerServer=true

recommitDeadlines (default: false)

recommits deadlines below 1200 3 times in a interval of 5 sec. experimental feature to increase chance that deadline gets propagated e.g. on short disconnect or connected peers busy etc.

recommitDeadlines=true

OpenCL

The miner uses openCL for most of the mining calculations, ensure it is setup correctly. Instructions can be found e.g. here (thanks cryo): https://github.com/bhamon/gpuPlotGenerator/blob/master/README.md You could also use that instruction to find your platformId and deviceId if needed. Since version 0.4.4 all available platforms and devices are listed on startup.

platformId (default:0)

id of openCL platform on your system. one platform may have multiple devices, the miner currently uses just one (in general not the bottleneck)

platformId=0

deviceId (default:0)

specifies the device used by OCLCecker, can be your first GPU, in most cases it will not be 100% used. (depends on capacity)

deviceId=1

Miner Internals

refreshInterval (default:2000)

interval of asking wallet/pool for mining info (in ms), to check for new block

refreshInterval=2000

updateMiningInfo (default=true)

restart round on new generationSignature for same round as long as equal miningInfo was not already finished (it may happen that miningInfo changes, and changes back later) false value will disable this feature

updateMiningInfo=false

connectionTimeout (default:12000)

increase the 'connectionTimeout' on network problems. this timeout is used for all network requests. if you use pool or online-wallet, the 12 sec. default may cause timeout on committing nonces or getting mining info etc.

connectionTimeout=12000

debug (default:false)

setting 'debug' to true will log additional information of the mining process, that are not related to mining, but to miner internals.

debug=true

writeLogFile (default:false)

setting 'writeLogFile' to 'true' will write all logs from console to a file, too. the name of that file can be specified by 'logFilePath'.

writeLogFile=true

logFilePath (default:log/jminer.log.txt)

path (filename and optional directory, relative to miner location)

logFilePath=mylogs/jminier/log.txt

Miner Appearance

readProgressPerRound (default:9)

defines how often the mining progress is shown per round thats the 'xx% done ...' info.

readProgressPerRound=16

byteUnitDecimal (default:true)

switch between decimal units (true): TB/GB/MB (divided by 1000), or binary units (false) TiB/GiB/MiB (divided by 1024) - https://en.wikipedia.org/wiki/Byte

byteUnitDecimal=false

showDriveInfo (default:false)

set this to 'true' to show info about every drive on finish reading it, this is useful to find the slow ones ... can help to optimize your setup.

showDriveInfo=true

e.g. you see in logs, that 'drive-c' and 'drive-d' slow down this mining setup:

read 'C:/data/drive-a' (3TB 958GB) in '28s 444ms'
read 'C:/data/drive-b' (3TB 932GB) in '29s 114ms'
read 'C:/data/drive-c' (3TB 996GB) in '35s 390ms'
read 'C:/data/drive-d' (3TB 996GB) in '35s 685ms'

logPatternConsole & logPatternFile

patterns for logfile and cosole output can be different only needed if you want to configure your own log pattern e.g. following would show colored time and message on console:

logPatternConsole=%blue(%d{HH:mm:ss.SSS}) %green(%msg%n)

only time and message for logfile:

logPatternFile=%d{HH:mm:ss.SSS} %msg%n

For all options please read from docs: https://logback.qos.ch/manual/layouts.html#ClassicPatternLayout

showSkippedDeadlines (default:true)

set this to 'true' to show found deadlines below targetDeadline configure or provided by pool (overwriting the targetDeadline specified in jminer.properties)

showSkippedDeadlines=false

Miner Memory Usage

chunkPartNonces (default:960000)

staggerSize defines number of nonces per chunk. the miner will split chunks in smaller pieces called chunkParts. this makes sense, to save memory and optimize speed. in the best case chunkPart#1 will be checked before chunkPart#2 is completely read ... depending on the power of your GPU. if staggersize is smaller than chunkPartNonces, staggersize will be used. e.g. play with +/- 160000 steps

chunkPartNonces=960000 

readerThreads (default:0)

normally '0' means, the miner takes one thread per drive (plotPath) this is recommend. choosing a other number of 'readerThreads' can be useful on memory issues. For example, if you mine on 4 drives (plotPaths), you can reduce the memory usage by setting 'readerThreads=2', this will reduce mining speed but save memory.

readerThreads=10

POC2

poc2ActivationBlockHeight - (default:502000)

only adjust if the POC2 release fork gets delayed to a later block

you can btw. test how your setup will behave after the POC2 fork with your current plotfiles. Just use a blockHeight from the past. No deadline will be confirmed! Just to check your read-times, cpu and memory usage.

poc2ActivationBlockHeight=502000

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GPU assisted Proof of Capacity (PoC) Miner for Burstcoin (BURST)

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