def handle_tx(self, tx):
found = False
green_address_msg = ""
for txin in tx.vin:
address = extract_public_key(txin.scriptSig)
if address in self.addresses:
found = True
green_address_msg = self.addresses[address]
break
output_addresses = []
for txout in tx.vout:
output_addresses.append(extract_public_key(txout.scriptPubKey))
txid = "%064x" % tx.sha256
self.callback(txid, output_addresses, found, green_address_msg)
