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README.MD

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Goal

This repo contains scripts & resources to ease and automate the setup of a Tezos baker.

Prior to running the script:

System Requirements

  • CPU: Running with at least 2 cores is recommended
  • Memory: Recommended RAM for running a Tezos Node is 8GB
  • Disk: 250 GB SSD (SSD is highly preferred over HDD)
  • A Unix debian-based distribution.
  • Ledger Nano S or X

Ledger access and the plugdev group

Ensure that the plugdev group members have read access to your ledger using the following command:

getfacl /dev/bus/usb/XXX/YYY

If they do not have access, run the following commands:

sudo echo 'SUBSYSTEM=="usb", GROUP="plugdev", MODE="0660"' > /etc/udev/rules.d/50-myusb.rules
sudo udevadm control --reload-rules
sudo service udev restart

After running these commands, re-plug your ledger.

Ledger Preparation

Ensure the following:

  • The Tezos wallet is installed on your ledger.
  • The Tezos baker app is installed on your ledger.
  • The Tezos baker app is running on your ledger.
  • The Tezos baker app watermark is correctly set.

Refer to this guide for more detailed instructions.

Script Flow

The main entrypoint script is main_initialize_baker.sh, which can be called as follows:

sudo ./main_initialize_baker.sh script_conf.json

The script uses configuration details from script_conf.json to:

  • Create a new user account dedicated to the baker.
  • Download the latest Octez binaries.
  • Set up a private Tezos node using systemd.
  • Bootstrap the Tezos node from a snapshot.
  • Set up the baker using systemd.
  • Set up the accuser using systemd.
  • Prepare the ledger wallet for baking.
  • Register the wallet as baker on the Tezos chain.

Script configuration

See script_conf.json.dist

After restarting your machine

In case of a restart of your machine, your node will bootstrap any missed blocks, after which you will be ready to proceed. As soon as octez-client bootstrapped command will return true you'll have to manually relaunch the baking app on your ledger.

After entering your PIN and opening the Tezos baker app, run the following command:

octez-client -d /home/$baker_user/$baker_home setup ledger to bake for $ledger_pk_name. Here, baker_user, baker_home, and ledger_pk_name should match the values defined in your script_conf.json.