Fix decryptor nonce computation (#1062)

* Fix nonce computation on decrypt.

* Changed default value.

* Rebuild query params.

* tweak.

* Convert from Decimal to str.

* Added sleep in test.

* Added from param to transact function.

* Update contracts version.

* Changed default to 1. Remove condition.

* Changed to nanoseconds format.

aquarius/events/decryptor.py

@@ -4,6 +4,8 @@
 #
 import json
 import logging
+import time
+from _decimal import Decimal
 from datetime import datetime, timezone
 from hashlib import sha256
 
@@ -17,18 +19,18 @@
 
 def decrypt_ddo(w3, provider_url, contract_address, chain_id, txid, hash, es_instance):
     aquarius_account = get_aquarius_wallet()
-    nonce = str(int(datetime.now(timezone.utc).timestamp()))
+    nonce = Decimal(time.time_ns())
 
     signature = get_signature_bytes(
-        f"{txid}{aquarius_account.address}{chain_id}{nonce}"
+        f"{txid}{aquarius_account.address}{chain_id}{str(nonce)}"
     )
     payload = {
         "transactionId": txid,
         "chainId": chain_id,
         "decrypterAddress": aquarius_account.address,
         "dataNftAddress": contract_address,
         "signature": signature,
-        "nonce": nonce,
+        "nonce": str(nonce),
     }
 
     try:

setup.py

@@ -29,7 +29,7 @@
     "elasticsearch==8.9.0",
     "PyYAML==6.0.1",
     "pytz==2023.3",
-    "ocean-contracts==1.1.14",
+    "ocean-contracts==1.1.15",
     "web3==6.7.0",
     "gevent",
     "python-dateutil==2.8.2",

tests/test_events.py

@@ -440,7 +440,7 @@ def test_token_uri_update(client, base_ddo_url, events_object):
     web3.eth.default_account = test_account1.address
     txn_hash = nft_contract.functions.setTokenURI(
         1, "http://something-else.com"
-    ).transact()
+    ).transact({"from": test_account1.address})
     _ = web3.eth.wait_for_transaction_receipt(txn_hash)
 
     events_object.process_current_blocks()