Add insert aggkey logic for Arbitrum initialization (#500)

* chore: add tested insert aggkey script

* chore: remove unnecessary line

* chore: address comments

Author: albert-llimos

scripts/insert_aggkey_sc.py

@@ -0,0 +1,40 @@
+import sys
+import os
+
+sys.path.append(os.path.abspath("tests"))
+from shared_tests import *
+from utils import prompt_user_continue_or_break
+from consts import *
+from brownie import accounts, KeyManager, network
+
+AUTONOMY_SEED = os.environ["SEED"]
+cf_accs = accounts.from_mnemonic(AUTONOMY_SEED, count=10)
+DEPLOYER_ACCOUNT_INDEX = int(os.environ.get("DEPLOYER_ACCOUNT_INDEX") or 0)
+
+DEPLOYER = cf_accs[DEPLOYER_ACCOUNT_INDEX]
+print(f"DEPLOYER = {DEPLOYER}")
+
+
+def main():
+    network.priority_fee("1 gwei")
+    KEY_MANAGER_ADDRESS = os.environ["KEY_MANAGER_ADDRESS"]
+    keyManager = KeyManager.at(KEY_MANAGER_ADDRESS)
+
+    # Assumption that this is a long hex string without 0x
+    x = os.environ["X_AGG_KEY"]
+    parity = os.environ["PARITY"]
+
+    # parity should be a "Odd" or "Even" otherwise it will fail
+    assert parity in ["Even", "Odd"], "Parity should be Even or Odd"
+    parity = "00" if parity == "Even" else "01"
+    newAggKey = [int(x, 16), int(parity, 16)]
+
+    print(f"Setting the aggregate key to {newAggKey}")
+    prompt_user_continue_or_break("", False)
+
+    tx = keyManager.setAggKeyWithGovKey(
+        newAggKey, {"from": DEPLOYER, "required_confs": 1}
+    )
+
+    tx.info()
+    print(f"Succesfully updated the aggregate key to {newAggKey}")