if random.uniform(0, 100) < self.worker_fee:
            pubkey_hash = self.my_pubkey_hash
        else:
            try:
                pubkey_hash = bitcoin_data.address_to_pubkey_hash(user, self.node.net.PARENT)
            except: # XXX blah
                if self.args.address != 'dynamic':
                    pubkey_hash = self.my_pubkey_hash