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JoinMarket on the RaspiBlitz

Testing on a RPi4 4GB with RaspiBlitz v1.3

Open the Tor browser and check out the current fees and available liquidity in the JoinMarket order book: https://joinmarket.me/ob/

Installation

  • Run in the RaspiBlitz terminal:

    $ git clone https://github.com/JoinMarket-Org/joinmarket-clientserver.git
$ cd joinmarket-clientserver
$ ./install.sh
# (follow instructions on screen; provide sudo password when prompted)
# do not install QT-dependencies - running headless on the RPi

  • Activate the virtual environment to see the prompt: (jmvenv) $
    This needs to be done at every new login.

    $ cd joinmarket-clientserver
$ source jmvenv/bin/activate
$ cd scripts

Generate a wallet

  • Using the JoinMarket wallet: https://github.com/JoinMarket-Org/joinmarket/wiki/Using-the-JoinMarket-internal-wallet

    (jmvenv) $ python wallet-tool.py generate

    Created a new `joinmarket.cfg`. Please review and adopt the settings and restart joinmarket.
    • JoinMarket uses a hot wallet sitting on your Raspberry Pi. Keep it safe.
    • Backup your seed and store safely. Best to not keep the seed and the passphrase together.
    • The wallet encryption password will be needed every time when there is interaction with the wallet. Store it somewhere accessible, best if encrypted.

  • Fill in the PasswordB to the joinmarket.cfg
    (as in /mnt/hdd/bitcoin/bitcoin.conf)

    (jmvenv) $ nano joinmarket.cfg

    [BLOCKCHAIN]
rpc_user = raspibolt
rpc_password = PasswordB-as-in-bitcoin.conf
rpc_host = localhost #default usually correct 
rpc_port = 8332 # default for mainnet

  • Display the addresses to fund (look in mixdepth 0):

    (jmvenv) $ python wallet-tool.py wallet.jmdat

    and run again after the first time

Send payments through coinjoins with sendpayment.py

Run a Yield Generator

  • Read the basics: https://github.com/JoinMarket-Org/joinmarket/wiki/Running-a-Yield-Generator

  • Edit the settings:
    (jmvenv) $ nano yield-generator-basic.py

    """THESE SETTINGS CAN SIMPLY BE EDITED BY HAND IN THIS FILE:
"""
txfee = 100
cjfee_a = 500
cjfee_r = '0.00002'
ordertype = 'swreloffer' #'swreloffer' or 'swabsoffer'
nickserv_password = ''
max_minsize = 1000
gaplimit = 6
    • set the txfee to 0 to reduce the minimum offer amount
    • cjfee_a is the fixed coinjoin fee to be earned
    • cjfee_r = '0.00002' is the relative fee depending on the used amount
    • to use an absolute fee swap swreloffer to swabsoffer

  • Once set up run:

    (jmvenv) $ python yield-generator-basic.py wallet.jmdat

  • To check the transaction history:

    (jmvenv) $ python wallet-tool.py wallet.jmdat history

Resources: