Watches for new transactions in the default wallet of Electrum. When a new transaction is received at an address, the full history of that address is printed to the console.

watch.py

#!/usr/bin/env python
# Place this file in the Electrum scripts directory. Then run from command line, like this: `~/.electrum/scripts/watch.py`.

import sys, time
from electrum import Network, print_json, SimpleConfig, Wallet, WalletStorage


def initialize():

	config = SimpleConfig()
	network = Network(config)
	network.start(True)

	if not network.is_connected:
		print 'Not connected'
		sys.exit(1)

	storage = WalletStorage(config)
	wallet = Wallet(storage)
	wallet.start_threads(network)

	return wallet, network


def get_address_history(addr):

	h = wallet.history.get(addr, [])
	history = []

	for i, dummy in enumerate(h):

		tx_hash = h[i][0]
		tx = wallet.transactions.get(tx_hash)
		if not tx: continue

		value = 0

		for o in tx.outputs:
			o_address, o_value = o
			if o_address == addr:
				value += o_value

		confirmations = wallet.verifier.get_confirmations(tx_hash)[0]

		history.append({
			'confirmations': confirmations,
			'tx_hash': tx_hash,
			'value': value / 1.e8
		})

	return history


def print_address_history(addr):

	history = get_address_history(addr)
	print_json({'address': addr, 'history': history})


def get_receiving_addresses():

	return wallet.addresses(False)


def watch_receiving_addresses():

	receiving_addresses = get_receiving_addresses()

	for addr in receiving_addresses:
		callback = (lambda _addr: lambda self,result: print_address_history(_addr))(addr)
		network.interface.send([('blockchain.address.subscribe', [addr])], callback)


wallet, network = initialize()

watch_receiving_addresses()


# And now we wait..
while True:
	time.sleep(1)