updates simple tdec example for use with alpha 5

examples/tdec/simple_tdec.py

@@ -5,7 +5,10 @@ from nucypher_core.ferveo import DkgPublicKey
 
 import nucypher
 from nucypher.blockchain.eth.agents import CoordinatorAgent
-from nucypher.blockchain.eth.registry import LocalContractRegistry
+from nucypher.blockchain.eth.registry import (
+    InMemoryContractRegistry,
+    LocalContractRegistry,
+)
 from nucypher.characters.lawful import Bob, Enrico, Ursula
 from nucypher.policy.conditions.lingo import ConditionLingo
 from nucypher.utilities.logging import GlobalLoggerSettings
@@ -18,11 +21,11 @@ LOG_LEVEL = 'info'
 GlobalLoggerSettings.set_log_level(log_level_name=LOG_LEVEL)
 GlobalLoggerSettings.start_console_logging()
 
-provider_uri = os.environ['DEMO_L1_PROVIDER_URI']
-network = 'lynx'
-here = Path(nucypher.__file__).parent
-path = here / 'blockchain/eth/contract_registry/lynx/contract_registry.json'
-registry = LocalContractRegistry(filepath=path)
+staking_provider_uri = os.environ["DEMO_L1_PROVIDER_URI"]
+network = "lynx"
+
+coordinator_provider_uri = os.environ["DEMO_L2_PROVIDER_URI"]
+coordinator_network = "mumbai"
 
 ###############
 # Enrico
@@ -30,10 +33,15 @@ registry = LocalContractRegistry(filepath=path)
 
 print('--------- Threshold Encryption ---------')
 
-coordinator_agent = CoordinatorAgent(eth_provider_uri=provider_uri, registry=registry)
-ritual_id = 0  # got this from a side channel
+coordinator_agent = CoordinatorAgent(
+    eth_provider_uri=coordinator_provider_uri,
+    registry=InMemoryContractRegistry.from_latest_publication(
+        network=coordinator_network
+    ),
+)
+ritual_id = 3  # got this from a side channel
 ritual = coordinator_agent.get_ritual(ritual_id)
-enrico = Enrico(encrypting_key=DkgPublicKey.from_bytes(ritual.public_key))
+enrico = Enrico(encrypting_key=DkgPublicKey.from_bytes(bytes(ritual.public_key)))
 
 print(f'Fetched DKG public key {bytes(enrico.policy_pubkey).hex()} '
       f'for ritual #{ritual_id} '
@@ -60,10 +68,11 @@ print(f'Encrypted message: {bytes(ciphertext).hex()}')
 print('--------- Threshold Decryption ---------')
 
 bob = Bob(
-    eth_provider_uri=provider_uri,
+    eth_provider_uri=staking_provider_uri,
     domain=network,
-    registry=registry,
-    known_nodes=[Ursula.from_teacher_uri('https://lynx.nucypher.network:9151', min_stake=0)]
+    coordinator_provider_uri=coordinator_provider_uri,
+    coordinator_network=coordinator_network,
+    registry=InMemoryContractRegistry.from_latest_publication(network=network),
 )
 
 bob.start_learning_loop(now=True)