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Side-loading Ergo Ledger App into a Ledger Nano S device on Linux/MacOS

To install the Ergo Ledger App we need virtualenv, this module provides support for creating lightweight “virtual environments”, optionally isolated from the system.

Requirements

  • Ledger Nano S device
  • Linux or Mac OS

Steps

  1. Execute these commands on the terminal to install virtualenv.

    sudo apt install python3-pip
pip3 install virtualenv

  2. Download and extract the latest Ergo Ledger App binary files from https://github.com/tesseract-one/ledger-app-ergo/actions/runs/2315938025;

  3. Connect and unlock your Ledger Nano S device to your computer;

  4. Navigate to extracted Ledger App folder;

  5. Execute these commands on the terminal to run virtulenv:

    virtualenv -p python3 ledger
source ledger/bin/activate
pip3 install ledgerblue

  6. Now it's time to deploy the binary file app.hex into the Ledger device:

    python -m ledgerblue.loadApp --targetId 0x31100004 --apdu --tlv --fileName app.hex --appName Ergo --appFlags 0xe0

While the process is running, follow the instructions on the device screen to validate and accept the app installation.