Automated BIP39 Recovery, squashed

electrum/scripts/bip39_recovery.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+import sys
+import asyncio
+
+from electrum.util import json_encode, print_msg, create_and_start_event_loop, log_exceptions
+from electrum.simple_config import SimpleConfig
+from electrum.network import Network
+from electrum.keystore import bip39_to_seed
+from electrum.bip32 import BIP32Node
+from electrum.bip39_recovery import account_discovery
+
+try:
+    mnemonic = sys.argv[1]
+    passphrase = sys.argv[2] if len(sys.argv) > 2 else ""
+except Exception:
+    print("usage: bip39_recovery <mnemonic> [<passphrase>]")
+    sys.exit(1)
+
+loop, stopping_fut, loop_thread = create_and_start_event_loop()
+
+config = SimpleConfig()
+network = Network(config)
+network.start()
+
+@log_exceptions
+async def f():
+    try:
+        def get_account_xpub(account_path):
+            root_seed = bip39_to_seed(mnemonic, passphrase)
+            root_node = BIP32Node.from_rootseed(root_seed, xtype="standard")
+            account_node = root_node.subkey_at_private_derivation(account_path)
+            account_xpub = account_node.to_xpub()
+            return account_xpub
+        active_accounts = await account_discovery(network, get_account_xpub)
+        print_msg(json_encode(active_accounts))
+    finally:
+        stopping_fut.set_result(1)
+
+asyncio.run_coroutine_threadsafe(f(), loop)