CPChain ledger app

Overview

CPChain wallet application framework for Ledger Nano S.

Building and installing

To build and install the app on your Ledger Nano S you must set up the Ledger Nano S build environments. Please follow the Getting Started instructions at ledger official document.

• Compile and load the app onto the device:

make load

• Remove the app from the device:

make delete

Examples of Ledger wallet functionality

Following packages maybe needed

sudo apt install python3-pip libssl-dev -y
sudo apt install libudev-dev libusb-1.0-0-dev -y
pip3 install ledgerblue cpc_fusion rlp ethereum
pip install Pillow

• Test functionality:

# sign transactions
./examples/signTx.py --nonce 2  --gasprice 18000000000 --amount 1 --to 0x4d90553e566b67e593059f9aba02941f025578cd --txtype 0

# sign message
./examples/signMessage.py --message "Test message"

# get publickey
./examples/getPublicKey.py

Documentation

This follows the specification available in the api.asc.