"""Makes the house agent's wallet key on this PC.

The wallet holds the money. It signs the agent's session once; after that the agent trades with its own executor key,
which Orblivion's signing service made and never lets out.
"""
import json
import os

from eth_account import Account

from common import KEYS

os.makedirs(KEYS, exist_ok=True)
path = os.path.join(KEYS, "wallet.json")
if not os.path.exists(path):  # never replaces a key
    key = Account.create().key.hex()
    with open(path, "x", encoding="utf-8") as f:
        json.dump({"private_key": key if key.startswith("0x") else "0x" + key}, f)
with open(path, encoding="utf-8") as f:
    print(f"wallet  {Account.from_key(json.load(f)['private_key']).address}")

print(f"\nThe key is in {KEYS}. It never leaves this PC and is never printed.")