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| import unittest |
|
|
| from substrateinterface import SubstrateInterface |
| from test import settings |
|
|
|
|
| class SubscriptionsTestCase(unittest.TestCase): |
|
|
| @classmethod |
| def setUpClass(cls): |
| cls.substrate = SubstrateInterface( |
| url=settings.POLKADOT_NODE_URL |
| ) |
|
|
| def test_query_subscription(self): |
|
|
| def subscription_handler(obj, update_nr, subscription_id): |
|
|
| return {'update_nr': update_nr, 'subscription_id': subscription_id} |
|
|
| result = self.substrate.query("System", "Events", [], subscription_handler=subscription_handler) |
|
|
| self.assertIsNotNone(result['subscription_id']) |
|
|
| def test_subscribe_storage_multi(self): |
|
|
| def subscription_handler(storage_key, updated_obj, update_nr, subscription_id): |
| return {'update_nr': update_nr, 'subscription_id': subscription_id} |
|
|
| storage_keys = [ |
| self.substrate.create_storage_key( |
| "System", "Account", ["5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY"] |
| ), |
| self.substrate.create_storage_key( |
| "System", "Account", ["5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty"] |
| ) |
| ] |
|
|
| result = self.substrate.subscribe_storage( |
| storage_keys=storage_keys, subscription_handler=subscription_handler |
| ) |
|
|
| self.assertIsNotNone(result['subscription_id']) |
|
|
| def test_subscribe_new_heads(self): |
|
|
| def block_subscription_handler(obj, update_nr, subscription_id): |
| return obj['header']['number'] |
|
|
| result = self.substrate.subscribe_block_headers(block_subscription_handler, finalized_only=True) |
|
|
| self.assertGreater(result, 0) |
|
|
|
|
| if __name__ == '__main__': |
| unittest.main() |
|
|
