fix: more random dids

Signed-off-by: Daniel Bluhm <[email protected]>

demo/runners/support/agent.py

@@ -4,11 +4,11 @@
 import json
 import logging
 import os
-import random
 import subprocess
 import sys
 from concurrent.futures import ThreadPoolExecutor
 from timeit import default_timer
+from secrets import token_hex
 
 import asyncpg
 import yaml
@@ -207,12 +207,8 @@ def __init__(
  seed = None
  elif self.endorser_role and not seed:
  seed = "random"
- rand_name = str(random.randint(100_000, 999_999))
- self.seed = (
- ("my_seed_000000000000000000000000" + rand_name)[-32:]
- if seed == "random"
- else seed
- )
+ rand_name = token_hex(4)
+ self.seed = token_hex(16) if seed == "random" else seed
  self.storage_type = params.get("storage_type")
  self.wallet_type = params.get("wallet_type") or "askar"
  self.wallet_name = (