Python to fetch Bitcoin addresses/transactions for given XPUB

xpub_checker.py

#!/usr/bin/env python3

from pycoin.symbols.btc import network
import sys
import requests
import json
import datetime

# Function to fetch the balance information for a given address
def getbalance(address):
    response = requests.get(f"https://bitaps.com/api/address/{address}")
    if response.status_code != 200:
        return None
    return response.json()

# Function to fetch the list of transactions for a given address
def listtransactions(address):
    response = requests.get(f"https://bitaps.com/api/address/transactions/{address}")
    if response.status_code != 200:
        return None
    return response.json()

# Function to convert satoshis to BTC
def satoshis_to_btc(value):
    return float(value) / 10**8

# Function to probe used addresses based on xpub and account type
def probe_used_addresses(xpub, account_type):
    xpub_subkey = xpub.subkey(account_type)
    index = 0
    while True:
        addr = xpub_subkey.subkey(index).address()
        print(f"Type {account_type} ({index}): {addr}")

        transactions = None  # Initialize transactions outside the if block

        # Report balance data
        balancedata = getbalance(addr)
        if balancedata is not None:
            balance = balancedata.get('confirmed_balance', 0)
            balance_btc = satoshis_to_btc(balance)
            print(f"  Balance: {balance_btc}")

            # List transactions, if any...
            transactions = listtransactions(addr)
            if transactions is not None:
                for tx in transactions:
                    tx_time = datetime.datetime.fromtimestamp(float(tx[0]))
                    tx_type = tx[3]
                    tx_amount = satoshis_to_btc(tx[7])
                    print(f"    Transaction ({tx_time.isoformat()}): {tx_type} {tx_amount}")

        print("")

        if transactions is None:
            break
        index += 1

# Main function to execute the script
def main():
    # Get xpub from the command line arguments
    xpub_text = sys.argv[1]
    xpub = network.parse.bip32(xpub_text)
    
    # Probe used addresses for account type 0 and 1
    probe_used_addresses(xpub, 0)
    probe_used_addresses(xpub, 1)

# Execute the main function if this script is run
if __name__ == "__main__":
    main()