OpenWallet

Bitcoin hot wallet web app

Support Features

Bitcoin Operations

Load and recover BIP 84 wallet from a mnemonic (BIP 39).
View receive & change addresses, and UTXOs
Send Bitcoin to a Bitcoin address, with customized fee. The transaction is a RFB transaction (BIP 125), meaning it can be replaced with higher fee.
Generate a receiving address.
Support both testnet and mainnet via config.py.
Protected with passphrase for login.
View pending transactions.

Lightning

Overview on channels, peers, and channels
Generate Invoice for receiving payment
Pay an invoice
View invoices and pays.

Hardware Wallet

Support Trezor Wallet

Get Started

cd <path to this directory>
python3 -m venv .
. bin/activate
pip install --upgrade pip
pip install -r requirements.txt 
python initdb.py
FLASK_APP=server.py FLASK_ENV=development flask run

For the future run

. bin/activate
FLASK_APP=server.py FLASK_ENV=development flask run

Configuration

Modify config.py for

Select testnet or mainnet.

Run on HTTPS

Requires openssl installed. Unfortunately Chrome is supported using this instruction. Safari and Firefox is supported. If you see a warning from Firefox, click on Advance and Accept the risk and Continue.

# Create a self-signed certificate
openssl req -x509 -newkey rsa:4096 -nodes -out cert.pem -keyout key.pem -days 365

# Import cert.pem to the browswer. On macbook, you can import it using `Keychain Access`

# Start the application with certificate
FLASK_APP=server.py FLASK_ENV=development flask run --cert=cert.pem --key=key.pem

Restrict Access with Passphase

Run on HTTPS to avoid exposing the passphrase

Go to Config.py, and set EnableLogin to True.
Run generate_secret.py and enter passphrase.
Run the app.

Assumption on using OpenWallet

Only a single user per instance of OpenWallet.

Backend dependencies

Eletrcs / Esplora
Lightning Node (c-lightning)
Bitcoin Core Node

JS dependencies

QR code generation code is borrowed from https://github.com/nimiq/qr-creator.

gruve-p/OpenWallet