Fix conditions used in scripts/examples - should be versioned.

examples/tdec/simple_tdec.py

@@ -7,6 +7,7 @@ import nucypher
 from nucypher.blockchain.eth.agents import CoordinatorAgent
 from nucypher.blockchain.eth.registry import LocalContractRegistry
 from nucypher.characters.lawful import Bob, Enrico, Ursula
+from nucypher.policy.conditions.lingo import ConditionLingo
 from nucypher.utilities.logging import GlobalLoggerSettings
 
 ######################
@@ -39,19 +40,15 @@ print(f'Fetched DKG public key {bytes(enrico.policy_pubkey).hex()} '
       f'from Coordinator {coordinator_agent.contract.address}')
 
 eth_balance_condition = {
-    "chain": 80001,
-    "method": "eth_getBalance",
-    "parameters": [
-        "0x210eeAC07542F815ebB6FD6689637D8cA2689392",
-        "latest"
-    ],
-    "returnValueTest": {
-        "comparator": "==",
-        "value": 0
-    }
+    "version": ConditionLingo.VERSION,
+    "condition": {
+        "chain": 80001,
+        "method": "eth_getBalance",
+        "parameters": ["0x210eeAC07542F815ebB6FD6689637D8cA2689392", "latest"],
+        "returnValueTest": {"comparator": "==", "value": 0},
+    },
 }
 
-
 message = "hello world".encode()
 ciphertext = enrico.encrypt_for_dkg(plaintext=message, conditions=eth_balance_condition)
 

scripts/hooks/nucypher_dkg.py

@@ -35,6 +35,7 @@ from nucypher.blockchain.eth.registry import (
 from nucypher.blockchain.eth.signers import Signer
 from nucypher.characters.lawful import Bob, Enrico, Ursula
 from nucypher.crypto.powers import TransactingPower
+from nucypher.policy.conditions.lingo import ConditionLingo
 from nucypher.utilities.emitters import StdoutEmitter
 from nucypher.utilities.logging import GlobalLoggerSettings
 
@@ -197,9 +198,12 @@ Those who know the essential to be essential and the unessential to be unessenti
 # -- Dhammapada
 
 CONDITIONS = {
-    "returnValueTest": {"value": "0", "comparator": ">"},
-    "method": "blocktime",
-    "chain": blockchain.client.chain_id,
+    "version": ConditionLingo.VERSION,
+    "condition": {
+        "returnValueTest": {"value": "0", "comparator": ">"},
+        "method": "blocktime",
+        "chain": blockchain.client.chain_id,
+    },
 }
 
 encrypting_key = DkgPublicKey.from_bytes(