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Price Feed Script for BitShares

Installation

Ubuntu 16.04 LTS

Start the installation

cd ~
pip3 install bitshares-pricefeed --user

Create config.yml

bitshares-pricefeed create

Add a feed producer name to the config.yml file just created

vim config.yml
# The producer name(s)
producer: your_witness_name

Enter Credentials

bitshares-pricefeed addkey

You will need to enter your cli wallet encryption passphrase. If you don't have a pybitshares wallet, yet, one will be created:

Wallet Encryption Passphrase:
Repeat for confirmation:

You will need to enter your Private Key (Active key) here. Hit enter the second time it asks you.

Private Key (wif) [Enter to quit]:

Manually run the feed update

bitshares-pricefeed update

Create a place for a logfile

sudo touch /var/log/bitshare-pricefeed.log
sudo chown ubuntu /var/log/bitshare-pricefeed.log

Add to cron, where PASSWD is your Wallet Encryption Passphrase. This logic will send stdin and sterr to the logfile.

$ crontab -e

SHELL=/bin/bash
PATH=/home/ubuntu/bin:/home/ubuntu/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
UNLOCK="PASSWD"

0,15,30,45 * * * * bitshares-pricefeed --configfile /home/ubuntu/config.yml --skip-critical --no-confirm-warning update >> /var/log/bitshares-pricefeed.log 2>&1

Help

# bitshares-pricefeed --help
Usage: bitshares-pricefeed [OPTIONS] COMMAND [ARGS]...

Options:
  --configfile TEXT
  --confirm-warning / --no-confirm-warning
                                  Need for manual confirmation of warnings
  --skip-critical / --no-skip-critical
                                  Skip critical feeds
  --help                          Show this message and exit.

Commands:
  addkey  Add a private key to the wallet
  create  Create config file
  update  Update price feed for assets

IMPORTANT NOTE

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.