downloader for historical data from binance

this is very alfa-version of this programm. it support now only export of 1 and 5 minutes time frame.

to compile and run the programm you need maven and MongoDB installed.

compile and install the programm:

$  mvn clean package

start MongoDB (or simply run start-mongodb.bat script.):

$  mongod --directoryperdb --dbpath <path/to/database/folder>

now try to run programm:

$  .\update-candles.bat -?
Usage: <main class> [-?] [-cl] [-ex] [-up] [-ds=<decimalSeparator>]
                    -ti=<ticker> [-tf=<timeframes>]...
  -?, -h, --help         display this help message.
      -cl                cleanup incomplete data.
      -ds=<decimalSeparator>
                         decimal separator for csv-values. default '.'
      -ex                export data to csv-file.
      -tf=<timeframes>   timeframe. now support only 1m and 5m. default '1m'
      -ti=<ticker>       ticker name, e.g. BTCUSDT.
      -up                update data for ticker.

e.x. update and export BTCUSDT data:

 $  .\update-candles.bat -ti btcusdt -up -ex  

when programm finished a file BTCUSDT.csv is stored in current directory. content are all candles like this:

TICKER;FRAME;TIME;OPEN;HIGH;LOW;CLOSE;VOLUME
"BTCUSDT";"1m";"2022-01-05T00-00";"46159.91000000";"46159.91000000";"46067.68000000";"46126.75000000";"58.43329000"
... and so on ...