BTCpaylink

#!/usr/bin/env python3
import os
import subprocess

def check_tls_fingerprint():
    try:
        # Get the absolute path to the tls.cert file
        tls_cert_path = os.path.expanduser('~/.lnd/tls.cert')

        # Execute the OpenSSL command with the absolute path
        result = subprocess.run(['openssl', 'x509', '-noout', '-fingerprint', '-sha256', '-inform', 'pem', '-in', tls_cert_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)

        # Extract the fingerprint and remove colons
        fingerprint = result.stdout.strip().replace(":", "")

        print(f"TLS Fingerprint: {fingerprint}")  # Print the fingerprint

        return fingerprint
    except subprocess.CalledProcessError as e:
        print(f"Error: {e}")
        print(e.stderr)
        return None

def update_config_with_fingerprint(fingerprint):
    if fingerprint is not None:
        # Define the path to the settings.config file
        config_file_path = os.path.expanduser("~/.btcpayserver/Main/settings.config")

        # Read the current content of the configuration file
        with open(config_file_path, "r") as file:
            config_lines = file.readlines()

        # Find and update the line with the certthumbprint
        updated_lines = []
        for line in config_lines:
            if line.strip().startswith("#BTC.lightning="):
                line = f'BTC.lightning=type=lnd-rest;server=https://127.0.0.1:8080/;macaroonfilepath=/home/humble/.lnd/data/chain/bitcoin/mainnet/admin.macaroon;certthumbprint="{fingerprint}">\n'
            updated_lines.append(line)

        # Write the updated content back to the configuration file
        with open(config_file_path, "w") as file:
            file.writelines(updated_lines)

        print("Configuration file updated.")

if __name__ == '__main__':
    fingerprint = check_tls_fingerprint()
    update_config_with_fingerprint(fingerprint)

def check_tls_fingerprint():
    try:
        # Get the absolute path to the tls.cert file
        tls_cert_path = os.path.expanduser('~/.lnd/tls.cert')

        # Execute the OpenSSL command with the absolute path
        result = subprocess.run(['openssl', 'x509', '-noout', '-fingerprint', '-sha256', '-inform', 'pem', '-in', tls_cert_path], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)

        # Check if the subprocess had an error
        if result.returncode != 0:
            print(f"Error: {result.stderr.strip()}")
            return None

        # Extract the fingerprint and remove unwanted text
        output_lines = result.stdout.strip().split('\n')
        fingerprint_line = [line for line in output_lines if 'Fingerprint=' in line][0]
        fingerprint = fingerprint_line.split('=', 1)[1].replace(":", "")

        return fingerprint
    except Exception as e:
        print(f"Error: {e}")
        return None

if __name__ == '__main__':
    fingerprint = check_tls_fingerprint()
    if fingerprint is not None:
        lightning_config = f'type=lnd-rest;server=https://localhost:8080/;macaroonfilepath=/home/humble/.lnd/data/chain/bitcoin/mainnet/admin.macaroon;certthumbprint={fingerprint}'
        print(lightning_config)
    else:
        print("TLS fingerprint retrieval failed.")