Merge pull request #297 from tecnovert/wallet_encryption

Add workaround for btc seed changing after encrypting wallet.

.gitignore

@@ -8,6 +8,8 @@ __pycache__
 /*.eggs
 .tox
 .eggs
+.ruff_cache
+.pytest_cache
 *~
 
 # geckodriver.log

basicswap/basicswap.py

@@ -1358,7 +1358,9 @@ class BasicSwap(BaseApp):
             legacy_root_hash = ci.getSeedHash(root_key, 20)
             self.setStringKV(key_str, legacy_root_hash.hex(), cursor)
 
-    def initialiseWallet(self, interface_type, raise_errors: bool = False) -> None:
+    def initialiseWallet(
+        self, interface_type, raise_errors: bool = False, restore_time: int = -1
+    ) -> None:
         if interface_type == Coins.PART:
             return
         ci = self.ci(interface_type)
@@ -1377,7 +1379,7 @@ class BasicSwap(BaseApp):
 
         root_key = self.getWalletKey(interface_type, 1)
         try:
-            ci.initialiseWallet(root_key)
+            ci.initialiseWallet(root_key, restore_time)
         except Exception as e:
             # <  0.21: sethdseed cannot set a new HD seed while still in Initial Block Download.
             self.log.error(f"initialiseWallet failed: {e}")

basicswap/bin/prepare.py

@@ -182,6 +182,7 @@ BSX_UPDATE_UNMANAGED = toBool(
 UI_HTML_PORT = int(os.getenv("UI_HTML_PORT", 12700))
 UI_WS_PORT = int(os.getenv("UI_WS_PORT", 11700))
 COINS_RPCBIND_IP = os.getenv("COINS_RPCBIND_IP", "127.0.0.1")
+DEFAULT_RESTORE_TIME = int(os.getenv("DEFAULT_RESTORE_TIME", 1577833261))  # 2020
 
 PART_ZMQ_PORT = int(os.getenv("PART_ZMQ_PORT", 20792))
 PART_RPC_HOST = os.getenv("PART_RPC_HOST", "127.0.0.1")
@@ -1707,6 +1708,11 @@ def printHelp():
             DEFAULT_WOW_RESTORE_HEIGHT
         )
     )
+    print(
+        "--walletrestoretime=n     Time to restore wallets from, default:{}, -1 for now.".format(
+            DEFAULT_RESTORE_TIME
+        )
+    )
     print(
         "--trustremotenode        Set trusted-daemon for XMR, defaults to auto: true when daemon rpchost value is a private ip address else false"
     )
@@ -1808,12 +1814,18 @@ def test_particl_encryption(data_dir, settings, chain, use_tor_proxy):
 
 def encrypt_wallet(swap_client, coin_type) -> None:
     ci = swap_client.ci(coin_type)
-    ci.changeWalletPassword("", WALLET_ENCRYPTION_PWD)
+    ci.changeWalletPassword("", WALLET_ENCRYPTION_PWD, check_seed_if_encrypt=False)
     ci.unlockWallet(WALLET_ENCRYPTION_PWD)
 
 
 def initialise_wallets(
-    particl_wallet_mnemonic, with_coins, data_dir, settings, chain, use_tor_proxy
+    particl_wallet_mnemonic,
+    with_coins,
+    data_dir,
+    settings,
+    chain,
+    use_tor_proxy,
+    extra_opts={},
 ):
     swap_client = None
     daemons = []
@@ -1922,7 +1934,7 @@ def initialise_wallets(
                         if WALLET_ENCRYPTION_PWD == ""
                         else WALLET_ENCRYPTION_PWD
                     )
-                    extra_opts = [
+                    extra_args = [
                         '--appdata="{}"'.format(coin_settings["datadir"]),
                         "--pass={}".format(dcr_password),
                     ]
@@ -1931,7 +1943,7 @@ def initialise_wallets(
                     args = [
                         os.path.join(coin_settings["bindir"], filename),
                         "--create",
-                    ] + extra_opts
+                    ] + extra_args
                     hex_seed = swap_client.getWalletKey(Coins.DCR, 1).hex()
                     createDCRWallet(args, hex_seed, logger, threading.Event())
                     continue
@@ -2028,6 +2040,7 @@ def initialise_wallets(
                     )
 
         for coin_name in with_coins:
+            coin_settings = settings["chainclients"][coin_name]
             c = swap_client.getCoinIdFromName(coin_name)
             if c in (Coins.PART,):
                 continue
@@ -2035,14 +2048,29 @@ def initialise_wallets(
                 # initialiseWallet only sets main_wallet_seedid_
                 swap_client.waitForDaemonRPC(c)
             try:
-                swap_client.initialiseWallet(c, raise_errors=True)
+                default_restore_time = (
+                    -1 if generated_mnemonic else DEFAULT_RESTORE_TIME
+                )  # Set to -1 (now) if key is newly generated
+                restore_time: int = extra_opts.get(
+                    "walletrestoretime", default_restore_time
+                )
+
+                swap_client.initialiseWallet(
+                    c, raise_errors=True, restore_time=restore_time
+                )
+                if c not in (Coins.XMR, Coins.WOW):
+                    if restore_time == -1:
+                        restore_time = int(time.time())
+                        coin_settings["restore_time"] = restore_time
             except Exception as e:
                 coins_failed_to_initialise.append((c, e))
             if WALLET_ENCRYPTION_PWD != "" and (
                 c not in coins_to_create_wallets_for or c in (Coins.DASH,)
             ):  # TODO: Remove DASH workaround
                 try:
-                    swap_client.ci(c).changeWalletPassword("", WALLET_ENCRYPTION_PWD)
+                    swap_client.ci(c).changeWalletPassword(
+                        "", WALLET_ENCRYPTION_PWD, check_seed_if_encrypt=False
+                    )
                 except Exception as e:  # noqa: F841
                     logger.warning(f"changeWalletPassword failed for {coin_name}.")
 
@@ -2363,6 +2391,9 @@ def main():
             if name == "wowrestoreheight":
                 wow_restore_height = int(s[1])
                 continue
+            if name == "walletrestoretime":
+                extra_opts["walletrestoretime"] = int(s[1])
+                continue
             if name == "keysdirpath":
                 extra_opts["keysdirpath"] = os.path.expanduser(s[1].strip('"'))
                 continue
@@ -2823,6 +2854,7 @@ def main():
             settings,
             chain,
             use_tor_proxy,
+            extra_opts=extra_opts,
         )
 
         print("Done.")
@@ -2944,6 +2976,7 @@ def main():
                     settings,
                     chain,
                     use_tor_proxy,
+                    extra_opts=extra_opts,
                 )
 
             save_config(config_path, settings)
@@ -3082,15 +3115,21 @@ def main():
     for c in with_coins:
         prepareDataDir(c, settings, chain, particl_wallet_mnemonic, extra_opts)
 
-    save_config(config_path, settings)
-
     if particl_wallet_mnemonic == "none":
+        save_config(config_path, settings)
         logger.info("Done.")
         return 0
 
     initialise_wallets(
-        particl_wallet_mnemonic, with_coins, data_dir, settings, chain, use_tor_proxy
+        particl_wallet_mnemonic,
+        with_coins,
+        data_dir,
+        settings,
+        chain,
+        use_tor_proxy,
+        extra_opts=extra_opts,
     )
+    save_config(config_path, settings)
     print("Done.")
 
 

basicswap/interface/bch.py

@@ -106,6 +106,31 @@ class BCHInterface(BTCInterface):
             ) + self.make_int(u["amount"], r=1)
         return unspent_addr
 
+    def createWallet(self, wallet_name: str, password: str = ""):
+        self.rpc("createwallet", [wallet_name, False])
+        if password != "":
+            self.rpc(
+                "encryptwallet",
+                [
+                    password,
+                ],
+                override_wallet=wallet_name,
+            )
+
+    def newKeypool(self) -> None:
+        self._log.debug("Refreshing keypool.")
+
+        # Use up current keypool
+        wi = self.rpc_wallet("getwalletinfo")
+        keypool_size: int = wi["keypoolsize"]
+        for i in range(keypool_size):
+            _ = self.rpc_wallet("getnewaddress")
+        keypoolsize_hd_internal: int = wi["keypoolsize_hd_internal"]
+        for i in range(keypoolsize_hd_internal):
+            _ = self.rpc_wallet("getrawchangeaddress")
+
+        self.rpc_wallet("keypoolrefill")
+
     # returns pkh
     def decodeAddress(self, address: str) -> bytes:
         return bytes(Address.from_string(address).payload)

basicswap/interface/btc.py

@@ -10,8 +10,13 @@ import base64
 import hashlib
 import json
 import logging
+import mmap
+import os
+import shutil
+import sqlite3
 import traceback
 
+
 from io import BytesIO
 
 from basicswap.basicswap_util import (
@@ -377,7 +382,7 @@ class BTCInterface(Secp256k1Interface):
             last_block_header = prev_block_header
         raise ValueError(f"Block header not found at time: {time}")
 
-    def initialiseWallet(self, key_bytes: bytes) -> None:
+    def initialiseWallet(self, key_bytes: bytes, restore_time: int = -1) -> None:
         assert len(key_bytes) == 32
         self._have_checked_seed = False
         if self._use_descriptors:
@@ -387,6 +392,7 @@ class BTCInterface(Secp256k1Interface):
             ek_encoded: str = self.encode_secret_extkey(ek.encode_v())
             desc_external = descsum_create(f"wpkh({ek_encoded}/0h/0h/*h)")
             desc_internal = descsum_create(f"wpkh({ek_encoded}/0h/1h/*h)")
+
             rv = self.rpc_wallet(
                 "importdescriptors",
                 [
@@ -394,7 +400,7 @@ class BTCInterface(Secp256k1Interface):
                         {"desc": desc_external, "timestamp": "now", "active": True},
                         {
                             "desc": desc_internal,
-                            "timestamp": "now",
+                            "timestamp": "now" if restore_time == -1 else restore_time,
                             "active": True,
                             "internal": True,
                         },
@@ -411,7 +417,18 @@ class BTCInterface(Secp256k1Interface):
                 raise ValueError("Failed to import descriptors.")
         else:
             key_wif = self.encodeKey(key_bytes)
-            self.rpc_wallet("sethdseed", [True, key_wif])
+            try:
+                self.rpc_wallet("sethdseed", [True, key_wif])
+            except Exception as e:
+                self._log.debug(f"sethdseed failed: {e}")
+                """
+                # TODO: Find derived key counts
+                if "Already have this key" in str(e):
+                    key_id: bytes = self.getSeedHash(key_bytes)
+                    self.setActiveKeyChain(key_id)
+                else:
+                """
+                raise (e)
 
     def getWalletInfo(self):
         rv = self.rpc_wallet("getwalletinfo")
@@ -455,10 +472,6 @@ class BTCInterface(Secp256k1Interface):
             self.close_rpc(rpc_conn)
         raise ValueError(f"{self.coin_name()} wallet restore height not found.")
 
-    def getWalletSeedID(self) -> str:
-        wi = self.rpc_wallet("getwalletinfo")
-        return "Not found" if "hdseedid" not in wi else wi["hdseedid"]
-
     def getActiveDescriptor(self):
         descriptors = self.rpc_wallet("listdescriptors")["descriptors"]
         for descriptor in descriptors:
@@ -470,21 +483,24 @@ class BTCInterface(Secp256k1Interface):
                 return descriptor
         return None
 
-    def checkExpectedSeed(self, expect_seedid: str) -> bool:
+    def getWalletSeedID(self) -> str:
         if self._use_descriptors:
             descriptor = self.getActiveDescriptor()
             if descriptor is None:
                 self._log.debug("Could not find active descriptor.")
-                return False
+                return "Not found"
-
             end = descriptor["desc"].find("/")
             if end < 10:
-                return False
+                return "Not found"
             extkey = descriptor["desc"][5:end]
             extkey_data = b58decode(extkey)[4:-4]
             extkey_data_hash: bytes = hash160(extkey_data)
-            return True if extkey_data_hash.hex() == expect_seedid else False
+            return extkey_data_hash.hex()
 
+        wi = self.rpc_wallet("getwalletinfo")
+        return "Not found" if "hdseedid" not in wi else wi["hdseedid"]
+
+    def checkExpectedSeed(self, expect_seedid: str) -> bool:
         wallet_seed_id = self.getWalletSeedID()
         self._expect_seedid_hex = expect_seedid
         self._have_checked_seed = True
@@ -1978,12 +1994,234 @@ class BTCInterface(Secp256k1Interface):
         locked = encrypted and wallet_info["unlocked_until"] <= 0
         return encrypted, locked
 
-    def changeWalletPassword(self, old_password: str, new_password: str):
+    def createWallet(self, wallet_name: str, password: str = "") -> None:
+        self.rpc(
+            "createwallet",
+            [wallet_name, False, True, password, False, self._use_descriptors],
+        )
+
+    def setActiveWallet(self, wallet_name: str) -> None:
+        # For debugging
+        self.rpc_wallet = make_rpc_func(
+            self._rpcport, self._rpcauth, host=self._rpc_host, wallet=wallet_name
+        )
+        self._rpc_wallet = wallet_name
+
+    def newKeypool(self) -> None:
+        self._log.debug("Running newkeypool.")
+        self.rpc_wallet("newkeypool")
+
+    def encryptWallet(self, password: str, check_seed: bool = True):
+        # Watchonly wallets are not encrypted
+        # Workaround for https://github.com/bitcoin/bitcoin/issues/26607
+        seed_id_before: str = self.getWalletSeedID()
+        orig_active_descriptors = []
+        orig_hdchain_bytes = None
+        walletpath = None
+        max_hdchain_key_count: int = 4000000  # Arbitrary
+
+        chain_client_settings = self._sc.getChainClientSettings(
+            self.coin_type()
+        )  # basicswap.json
+        if (
+            chain_client_settings.get("manage_daemon", False)
+            and check_seed is True
+            and seed_id_before != "Not found"
+        ):
+            # Store active keys
+            self.rpc("unloadwallet", [self._rpc_wallet])
+
+            datadir = chain_client_settings["datadir"]
+            if self._network != "mainnet":
+                datadir = os.path.join(datadir, self._network)
+            try_wallet_path = os.path.join(datadir, self._rpc_wallet)
+            if os.path.exists(try_wallet_path):
+                walletpath = try_wallet_path
+            else:
+                try_wallet_path = os.path.join(datadir, "wallets", self._rpc_wallet)
+                if os.path.exists(try_wallet_path):
+                    walletpath = try_wallet_path
+
+            walletfilepath = walletpath
+            if os.path.isdir(walletpath):
+                walletfilepath = os.path.join(walletpath, "wallet.dat")
+
+            if walletpath is None:
+                self._log.warning(f"Unable to find {self.ticker()} wallet path.")
+            else:
+                if self._use_descriptors:
+                    orig_active_descriptors = []
+                    with sqlite3.connect(walletfilepath) as conn:
+                        c = conn.cursor()
+                        rows = c.execute(
+                            "SELECT * FROM main WHERE key in (:kext, :kint)",
+                            {
+                                "kext": bytes.fromhex(
+                                    "1161637469766565787465726e616c73706b02"
+                                ),
+                                "kint": bytes.fromhex(
+                                    "11616374697665696e7465726e616c73706b02"
+                                ),
+                            },
+                        )
+                        for row in rows:
+                            k, v = row
+                            orig_active_descriptors.append({"k": k, "v": v})
+                else:
+                    seedid_bytes: bytes = bytes.fromhex(seed_id_before)[::-1]
+                    with open(walletfilepath, "rb") as fp:
+                        with mmap.mmap(fp.fileno(), 0, access=mmap.ACCESS_READ) as mm:
+                            pos = mm.find(seedid_bytes)
+                            while pos != -1:
+                                mm.seek(pos - 8)
+                                hdchain_bytes = mm.read(12 + 20)
+                                version = int.from_bytes(hdchain_bytes[:4], "little")
+                                if version == 2:
+                                    external_counter = int.from_bytes(
+                                        hdchain_bytes[4:8], "little"
+                                    )
+                                    internal_counter = int.from_bytes(
+                                        hdchain_bytes[-4:], "little"
+                                    )
+                                    if (
+                                        external_counter > 0
+                                        and external_counter <= max_hdchain_key_count
+                                        and internal_counter > 0
+                                        and internal_counter <= max_hdchain_key_count
+                                    ):
+                                        orig_hdchain_bytes = hdchain_bytes
+                                        self._log.debug(
+                                            f"Found hdchain for: {seed_id_before} external_counter: {external_counter}, internal_counter: {internal_counter}."
+                                        )
+                                        break
+                                pos = mm.find(seedid_bytes, pos + 1)
+
+            self.rpc("loadwallet", [self._rpc_wallet])
+
+        self.rpc_wallet("encryptwallet", [password])
+
+        if check_seed is False or seed_id_before == "Not found" or walletpath is None:
+            return
+        seed_id_after: str = self.getWalletSeedID()
+
+        if seed_id_before == seed_id_after:
+            return
+        self._log.warning(f"{self.ticker()} wallet seed changed after encryption.")
+        self._log.debug(
+            f"seed_id_before: {seed_id_before} seed_id_after: {seed_id_after}."
+        )
+        self.setWalletSeedWarning(True)
+
+        if chain_client_settings.get("manage_daemon", False) is False:
+            self._log.warning(
+                f"{self.ticker()} manage_daemon is false. Can't attempt to fix."
+            )
+            return
+        if self._use_descriptors:
+            if len(orig_active_descriptors) < 2:
+                self._log.error(
+                    "Could not find original active descriptors for wallet."
+                )
+                return
+            self._log.info("Attempting to revert to last descriptors.")
+        else:
+            if orig_hdchain_bytes is None:
+                self._log.error("Could not find hdchain for wallet.")
+                return
+            self._log.info("Attempting to revert to last hdchain.")
+        try:
+            # Make a copy of the encrypted wallet before modifying it
+            bkp_path = walletpath + ".bkp"
+            for i in range(100):
+                if not os.path.exists(bkp_path):
+                    break
+                bkp_path = walletpath + f".bkp{i}"
+
+            if os.path.exists(bkp_path):
+                self._log.error("Could not find backup path for wallet.")
+                return
+
+            self.rpc("unloadwallet", [self._rpc_wallet])
+
+            if os.path.isfile(walletpath):
+                shutil.copy(walletpath, bkp_path)
+            else:
+                shutil.copytree(walletpath, bkp_path)
+
+            hdchain_replaced: bool = False
+            if self._use_descriptors:
+                with sqlite3.connect(walletfilepath) as conn:
+                    c = conn.cursor()
+                    c.executemany(
+                        "UPDATE main SET value = :v WHERE key = :k",
+                        orig_active_descriptors,
+                    )
+                    conn.commit()
+            else:
+                seedid_after_bytes: bytes = bytes.fromhex(seed_id_after)[::-1]
+                with open(walletfilepath, "r+b") as fp:
+                    with mmap.mmap(fp.fileno(), 0) as mm:
+                        pos = mm.find(seedid_after_bytes)
+                        while pos != -1:
+                            mm.seek(pos - 8)
+                            hdchain_bytes = mm.read(12 + 20)
+                            version = int.from_bytes(hdchain_bytes[:4], "little")
+                            if version == 2:
+                                external_counter = int.from_bytes(
+                                    hdchain_bytes[4:8], "little"
+                                )
+                                internal_counter = int.from_bytes(
+                                    hdchain_bytes[-4:], "little"
+                                )
+                                if (
+                                    external_counter > 0
+                                    and external_counter <= max_hdchain_key_count
+                                    and internal_counter > 0
+                                    and internal_counter <= max_hdchain_key_count
+                                ):
+                                    self._log.debug(
+                                        f"Replacing hdchain for: {seed_id_after} external_counter: {external_counter}, internal_counter: {internal_counter}."
+                                    )
+                                    offset: int = pos - 8
+                                    mm.seek(offset)
+                                    mm.write(orig_hdchain_bytes)
+                                    self._log.debug(
+                                        f"hdchain replaced at offset: {offset}."
+                                    )
+                                    hdchain_replaced = True
+                                    # Can appear multiple times in file, replace all.
+                            pos = mm.find(seedid_after_bytes, pos + 1)
+
+                if hdchain_replaced is False:
+                    self._log.error("Could not find new hdchain in wallet.")
+
+            self.rpc("loadwallet", [self._rpc_wallet])
+
+            if hdchain_replaced:
+                self.unlockWallet(password, check_seed=False)
+                seed_id_after_restore: str = self.getWalletSeedID()
+                if seed_id_after_restore == seed_id_before:
+                    self.newKeypool()
+                else:
+                    self._log.warning(
+                        f"Expected seed id not found: {seed_id_before}, have {seed_id_after_restore}."
+                    )
+
+                self.lockWallet()
+
+        except Exception as e:
+            self._log.error(f"{self.ticker()} recreating wallet failed: {e}.")
+            if self._sc.debug:
+                self._log.error(traceback.format_exc())
+
+    def changeWalletPassword(
+        self, old_password: str, new_password: str, check_seed_if_encrypt: bool = True
+    ):
         self._log.info("changeWalletPassword - {}".format(self.ticker()))
         if old_password == "":
             if self.isWalletEncrypted():
                 raise ValueError("Old password must be set")
-            return self.rpc_wallet("encryptwallet", [new_password])
+            return self.encryptWallet(new_password, check_seed=check_seed_if_encrypt)
         self.rpc_wallet("walletpassphrasechange", [old_password, new_password])
 
     def unlockWallet(self, password: str, check_seed: bool = True) -> None:
@@ -2001,9 +2239,16 @@ class BTCInterface(Secp256k1Interface):
                 )
                 # wallet_name, disable_private_keys, blank, passphrase, avoid_reuse, descriptors
                 self.rpc(
-                    "createwallet", [self._rpc_wallet, False, True, "", False, False]
+                    "createwallet",
+                    [
+                        self._rpc_wallet,
+                        False,
+                        True,
+                        password,
+                        False,
+                        self._use_descriptors,
+                    ],
                 )
-                self.rpc_wallet("encryptwallet", [password])
 
         # Max timeout value, ~3 years
         self.rpc_wallet("walletpassphrase", [password, 100000000])

basicswap/interface/dash.py

@@ -47,7 +47,7 @@ class DASHInterface(BTCInterface):
     def entropyToMnemonic(self, key: bytes) -> None:
         return Mnemonic("english").to_mnemonic(key)
 
-    def initialiseWallet(self, key_bytes: bytes) -> None:
+    def initialiseWallet(self, key_bytes: bytes, restore_time: int = -1) -> None:
         self._have_checked_seed = False
         if self._wallet_v20_compatible:
             self._log.warning("Generating wallet compatible with v20 seed.")
@@ -66,7 +66,11 @@ class DASHInterface(BTCInterface):
 
     def checkExpectedSeed(self, expect_seedid: str) -> bool:
         self._expect_seedid_hex = expect_seedid
-        rv = self.rpc_wallet("dumphdinfo")
+        try:
+            rv = self.rpc_wallet("dumphdinfo")
+        except Exception as e:
+            self._log.debug(f"DASH dumphdinfo failed {e}.")
+            return False
         if rv["mnemonic"] != "":
             entropy = Mnemonic("english").to_entropy(rv["mnemonic"].split(" "))
             entropy_hash = self.getAddressHashFromKey(entropy)[::-1].hex()
@@ -120,3 +124,36 @@ class DASHInterface(BTCInterface):
     def lockWallet(self):
         super().lockWallet()
         self._wallet_passphrase = ""
+
+    def encryptWallet(
+        self, old_password: str, new_password: str, check_seed: bool = True
+    ):
+        if old_password != "":
+            self.unlockWallet(old_password, check_seed=False)
+        seed_id_before: str = self.getWalletSeedID()
+
+        self.rpc_wallet("encryptwallet", [new_password])
+
+        if check_seed is False or seed_id_before == "Not found":
+            return
+        self.unlockWallet(new_password, check_seed=False)
+        seed_id_after: str = self.getWalletSeedID()
+
+        self.lockWallet()
+        if seed_id_before == seed_id_after:
+            return
+        self._log.warning(f"{self.ticker()} wallet seed changed after encryption.")
+        self._log.debug(
+            f"seed_id_before: {seed_id_before} seed_id_after: {seed_id_after}."
+        )
+        self.setWalletSeedWarning(True)
+
+    def changeWalletPassword(
+        self, old_password: str, new_password: str, check_seed_if_encrypt: bool = True
+    ):
+        self._log.info("changeWalletPassword - {}".format(self.ticker()))
+        if old_password == "":
+            if self.isWalletEncrypted():
+                raise ValueError("Old password must be set")
+            return self.encryptWallet(old_password, new_password, check_seed_if_encrypt)
+        self.rpc_wallet("walletpassphrasechange", [old_password, new_password])

basicswap/interface/dcr/dcr.py

@@ -332,14 +332,14 @@ class DCRInterface(Secp256k1Interface):
 
     def testDaemonRPC(self, with_wallet=True) -> None:
         if with_wallet:
-            self.rpc_wallet("getinfo")
+            self.rpc_wallet("walletislocked")
         else:
             self.rpc("getblockchaininfo")
 
     def getChainHeight(self) -> int:
         return self.rpc("getblockcount")
 
-    def initialiseWallet(self, key: bytes) -> None:
+    def initialiseWallet(self, key: bytes, restore_time: int = -1) -> None:
         # Load with --create
         pass
 
@@ -354,7 +354,9 @@ class DCRInterface(Secp256k1Interface):
         walletislocked = self.rpc_wallet("walletislocked")
         return True, walletislocked
 
-    def changeWalletPassword(self, old_password: str, new_password: str):
+    def changeWalletPassword(
+        self, old_password: str, new_password: str, check_seed_if_encrypt: bool = True
+    ):
         self._log.info("changeWalletPassword - {}".format(self.ticker()))
         if old_password == "":
             # Read initial pwd from settings

basicswap/interface/firo.py

@@ -51,13 +51,32 @@ class FIROInterface(BTCInterface):
     def getExchangeName(self, exchange_name: str) -> str:
         return "zcoin"
 
-    def initialiseWallet(self, key):
+    def initialiseWallet(self, key, restore_time: int = -1):
         # load with -hdseed= parameter
         pass
 
     def checkWallets(self) -> int:
         return 1
 
+    def encryptWallet(self, password: str, check_seed: bool = True):
+        # Watchonly wallets are not encrypted
+        # Firo shuts down after encryptwallet
+        seed_id_before: str = self.getWalletSeedID() if check_seed else "Not found"
+
+        self.rpc_wallet("encryptwallet", [password])
+
+        if check_seed is False or seed_id_before == "Not found":
+            return
+        seed_id_after: str = self.getWalletSeedID()
+
+        if seed_id_before == seed_id_after:
+            return
+        self._log.warning(f"{self.ticker()} wallet seed changed after encryption.")
+        self._log.debug(
+            f"seed_id_before: {seed_id_before} seed_id_after: {seed_id_after}."
+        )
+        self.setWalletSeedWarning(True)
+
     def getNewAddress(self, use_segwit, label="swap_receive"):
         return self.rpc("getnewaddress", [label])
         # addr_plain = self.rpc('getnewaddress', [label])

basicswap/interface/nav.py

@@ -87,7 +87,7 @@ class NAVInterface(BTCInterface):
         # p2sh-p2wsh
         return True
 
-    def initialiseWallet(self, key):
+    def initialiseWallet(self, key, restore_time: int = -1):
         # Load with -importmnemonic= parameter
         pass
 

basicswap/interface/part.py

@@ -110,7 +110,7 @@ class PARTInterface(BTCInterface):
         )
         return index_info["spentindex"]
 
-    def initialiseWallet(self, key: bytes) -> None:
+    def initialiseWallet(self, key: bytes, restore_time: int = -1) -> None:
         raise ValueError("TODO")
 
     def withdrawCoin(self, value, addr_to, subfee):

basicswap/interface/pivx.py

@@ -34,6 +34,35 @@ class PIVXInterface(BTCInterface):
             self._rpcport, self._rpcauth, host=self._rpc_host
         )
 
+    def encryptWallet(self, password: str, check_seed: bool = True):
+        # Watchonly wallets are not encrypted
+
+        seed_id_before: str = self.getWalletSeedID()
+
+        self.rpc_wallet("encryptwallet", [password])
+
+        if check_seed is False or seed_id_before == "Not found":
+            return
+        seed_id_after: str = self.getWalletSeedID()
+
+        if seed_id_before == seed_id_after:
+            return
+        self._log.warning(f"{self.ticker()} wallet seed changed after encryption.")
+        self._log.debug(
+            f"seed_id_before: {seed_id_before} seed_id_after: {seed_id_after}."
+        )
+        self.setWalletSeedWarning(True)
+        # Workaround for https://github.com/bitcoin/bitcoin/issues/26607
+        chain_client_settings = self._sc.getChainClientSettings(
+            self.coin_type()
+        )  # basicswap.json
+
+        if chain_client_settings.get("manage_daemon", False) is False:
+            self._log.warning(
+                f"{self.ticker()} manage_daemon is false. Can't attempt to fix."
+            )
+            return
+
     def signTxWithWallet(self, tx):
         rv = self.rpc("signrawtransaction", [tx.hex()])
         return bytes.fromhex(rv["hex"])

basicswap/interface/xmr.py

@@ -766,7 +766,9 @@ class XMRInterface(CoinInterface):
             balance_info = self.rpc_wallet("get_balance")
             return balance_info["unlocked_balance"]
 
-    def changeWalletPassword(self, old_password, new_password):
+    def changeWalletPassword(
+        self, old_password, new_password, check_seed_if_encrypt: bool = True
+    ):
         self._log.info("changeWalletPassword - {}".format(self.ticker()))
         orig_password = self._wallet_password
         if old_password != "":

basicswap/js_server.py

@@ -850,7 +850,12 @@ def js_getcoinseed(self, url_split, post_string, is_json) -> bytes:
     swap_client.checkSystemStatus()
     post_data = getFormData(post_string, is_json)
 
-    coin = getCoinType(get_data_entry(post_data, "coin"))
+    coin_in = get_data_entry(post_data, "coin")
+    try:
+        coin = getCoinIdFromName(coin_in)
+    except Exception:
+        coin = getCoinType(coin_in)
+
     if coin in (Coins.PART, Coins.PART_ANON, Coins.PART_BLIND):
         raise ValueError("Particl wallet seed is set from the Basicswap mnemonic.")
 
@@ -878,12 +883,17 @@ def js_getcoinseed(self, url_split, post_string, is_json) -> bytes:
         expect_seedid = swap_client.getStringKV(
             "main_wallet_seedid_" + ci.coin_name().lower()
         )
+        try:
+            wallet_seed_id = ci.getWalletSeedID()
+        except Exception as e:
+            wallet_seed_id = f"Error: {e}"
 
         rv.update(
             {
                 "seed": seed_key.hex(),
                 "seed_id": seed_id.hex(),
                 "expected_seed_id": "Unset" if expect_seedid is None else expect_seedid,
+                "current_seed_id": wallet_seed_id,
             }
         )
 

basicswap/rpc.py

@@ -1,15 +1,13 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2020-2024 tecnovert
+# Copyright (c) 2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
-import os
 import json
-import shlex
-import urllib
 import traceback
-import subprocess
+import urllib
 from xmlrpc.client import (
     Fault,
     Transport,
@@ -104,7 +102,7 @@ def callrpc(rpc_port, auth, method, params=[], wallet=None, host="127.0.0.1"):
         r = json.loads(v.decode("utf-8"))
     except Exception as ex:
         traceback.print_exc()
-        raise ValueError("RPC server error " + str(ex) + ", method: " + method)
+        raise ValueError(f"RPC server error: {ex}, method: {method}")
 
     if "error" in r and r["error"] is not None:
         raise ValueError("RPC error " + str(r["error"]))
@@ -120,36 +118,7 @@ def openrpc(rpc_port, auth, wallet=None, host="127.0.0.1"):
         return Jsonrpc(url)
     except Exception as ex:
         traceback.print_exc()
-        raise ValueError("RPC error " + str(ex))
+        raise ValueError(f"RPC error: {ex}")
-
-
-def callrpc_cli(bindir, datadir, chain, cmd, cli_bin="particl-cli", wallet=None):
-    cli_bin = os.path.join(bindir, cli_bin)
-
-    args = [
-        cli_bin,
-    ]
-    if chain != "mainnet":
-        args.append("-" + chain)
-    args.append("-datadir=" + datadir)
-    if wallet is not None:
-        args.append("-rpcwallet=" + wallet)
-    args += shlex.split(cmd)
-
-    p = subprocess.Popen(
-        args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
-    )
-    out = p.communicate()
-
-    if len(out[1]) > 0:
-        raise ValueError("RPC error " + str(out[1]))
-
-    r = out[0].decode("utf-8").strip()
-    try:
-        r = json.loads(r)
-    except Exception:
-        pass
-    return r
 
 
 def make_rpc_func(port, auth, wallet=None, host="127.0.0.1"):

tests/basicswap/common.py

@@ -6,10 +6,12 @@
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE.txt or http://www.opensource.org/licenses/mit-license.php.
 
-import os
 import json
-import signal
 import logging
+import os
+import shlex
+import signal
+import subprocess
 from urllib.request import urlopen
 
 from .util import read_json_api
@@ -133,11 +135,12 @@ def checkForks(ro):
 
 def stopDaemons(daemons):
     for d in daemons:
-        logging.info("Interrupting %d", d.handle.pid)
+        logging.info(f"Interrupting {d.handle.pid}")
+        signal_type = signal.SIGTERM if os.name == "nt" else signal.SIGINT
         try:
-            d.handle.send_signal(signal.SIGINT)
+            d.handle.send_signal(signal_type)
         except Exception as e:
-            logging.info("Interrupting %d, error %s", d.handle.pid, str(e))
+            logging.info(f"Interrupting {d.handle.pid}, error: {e}")
     for d in daemons:
         try:
             d.handle.wait(timeout=20)
@@ -145,7 +148,7 @@ def stopDaemons(daemons):
                 if fp:
                     fp.close()
         except Exception as e:
-            logging.info("Closing %d, error %s", d.handle.pid, str(e))
+            logging.info(f"Closing {d.handle.pid}, error: {e}")
 
 
 def wait_for_bid(
@@ -494,3 +497,38 @@ def compare_bid_states_unordered(states, expect_states, ignore_states=[]) -> boo
         logging.info("Have states: {}".format(json.dumps(states, indent=4)))
         raise e
     return True
+
+
+def callrpc_cli(
+    bindir,
+    datadir,
+    chain,
+    cmd,
+    cli_bin="particl-cli" + (".exe" if os.name == "nt" else ""),
+    wallet=None,
+):
+    cli_bin = os.path.join(bindir, cli_bin)
+    args = [
+        cli_bin,
+    ]
+    if chain != "mainnet":
+        args.append("-" + chain)
+    args.append("-datadir=" + datadir)
+    if wallet is not None:
+        args.append("-rpcwallet=" + wallet)
+    args += shlex.split(cmd)
+
+    p = subprocess.Popen(
+        args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
+    out = p.communicate()
+
+    if len(out[1]) > 0:
+        raise ValueError(f"RPC error: {out[1]}")
+
+    r = out[0].decode("utf-8").strip()
+    try:
+        r = json.loads(r)
+    except Exception:
+        pass
+    return r

tests/basicswap/common_xmr.py

@@ -557,12 +557,12 @@ def prepare_nodes(
 ):
     bins_path = os.path.join(TEST_PATH, "bin")
     for i in range(num_nodes):
-        logging.info("Preparing node: %d.", i)
+        logging.info(f"Preparing node: {i}.")
-        client_path = os.path.join(TEST_PATH, "client{}".format(i))
+        client_path = os.path.join(TEST_PATH, f"client{i}")
         try:
             shutil.rmtree(client_path)
         except Exception as ex:
-            logging.warning("setUpClass %s", str(ex))
+            logging.warning(f"setUpClass {ex}")
 
         run_prepare(
             i,

tests/basicswap/extended/test_dash.py

@@ -40,9 +40,6 @@ from basicswap.basicswap_util import (
 from basicswap.util.address import (
     toWIF,
 )
-from basicswap.rpc import (
-    callrpc_cli,
-)
 from basicswap.contrib.key import (
     ECKey,
 )
@@ -53,6 +50,7 @@ from tests.basicswap.util import (
     read_json_api,
 )
 from tests.basicswap.common import (
+    callrpc_cli,
     checkForks,
     stopDaemons,
     wait_for_offer,

tests/basicswap/extended/test_firo.py

@@ -25,13 +25,11 @@ from basicswap.util import (
     make_int,
     format_amount,
 )
-from basicswap.rpc import (
-    callrpc_cli,
-)
 from tests.basicswap.util import (
     read_json_api,
 )
 from tests.basicswap.common import (
+    callrpc_cli,
     stopDaemons,
     wait_for_bid,
     make_rpc_func,

tests/basicswap/extended/test_network.py

@@ -32,7 +32,6 @@ from basicswap.util.address import (
 )
 from basicswap.rpc import (
     callrpc,
-    callrpc_cli,
 )
 from basicswap.contrib.key import (
     ECKey,
@@ -44,19 +43,20 @@ from tests.basicswap.util import (
     read_json_api,
 )
 from tests.basicswap.common import (
-    prepareDataDir,
-    make_rpc_func,
-    checkForks,
-    stopDaemons,
-    delay_for,
-    TEST_HTTP_HOST,
-    TEST_HTTP_PORT,
     BASE_P2P_PORT,
     BASE_RPC_PORT,
     BASE_ZMQ_PORT,
     BTC_BASE_PORT,
     BTC_BASE_RPC_PORT,
+    callrpc_cli,
+    checkForks,
+    delay_for,
+    make_rpc_func,
     PREFIX_SECRET_KEY_REGTEST,
+    prepareDataDir,
+    stopDaemons,
+    TEST_HTTP_HOST,
+    TEST_HTTP_PORT,
     waitForRPC,
 )
 

tests/basicswap/extended/test_pivx.py

@@ -40,9 +40,6 @@ from basicswap.basicswap_util import (
 from basicswap.util.address import (
     toWIF,
 )
-from basicswap.rpc import (
-    callrpc_cli,
-)
 from basicswap.contrib.key import (
     ECKey,
 )
@@ -53,6 +50,7 @@ from tests.basicswap.util import (
     read_json_api,
 )
 from tests.basicswap.common import (
+    callrpc_cli,
     checkForks,
     stopDaemons,
     wait_for_bid,

tests/basicswap/extended/test_wow.py

@@ -174,7 +174,8 @@ class Test(BaseTest):
                 "create_wallet",
                 {"filename": "testwallet", "language": "English"},
             )
-        cls.callwownodewallet(cls, i, "open_wallet", {"filename": "testwallet"})
+        else:
+            cls.callwownodewallet(cls, i, "open_wallet", {"filename": "testwallet"})
 
     @classmethod
     def addPIDInfo(cls, sc, i):

tests/basicswap/test_bch_xmr.py

@@ -20,6 +20,7 @@ from basicswap.bin.run import startDaemon
 from basicswap.util.crypto import sha256
 from tests.basicswap.test_btc_xmr import BasicSwapTest
 from tests.basicswap.common import (
+    callrpc_cli,
     make_rpc_func,
     prepareDataDir,
     stopDaemons,
@@ -37,9 +38,6 @@ from basicswap.contrib.test_framework.script import (
     OP_CHECKSEQUENCEVERIFY,
 )
 from basicswap.interface.bch import BCHInterface
-from basicswap.rpc import (
-    callrpc_cli,
-)
 from basicswap.util import ensure
 from .test_xmr import test_delay_event, callnoderpc
 
@@ -134,14 +132,20 @@ class TestBCH(BasicSwapTest):
                     if not line.startswith("findpeers"):
                         fp.write(line)
 
-            if os.path.exists(os.path.join(BITCOINCASH_BINDIR, "bitcoin-wallet")):
+            bch_wallet_bin = "bitcoin-wallet" + (".exe" if os.name == "nt" else "")
+            if os.path.exists(
+                os.path.join(
+                    BITCOINCASH_BINDIR,
+                    bch_wallet_bin,
+                )
+            ):
                 try:
                     callrpc_cli(
                         BITCOINCASH_BINDIR,
                         data_dir,
                         "regtest",
                         "-wallet=wallet.dat create",
-                        "bitcoin-wallet",
+                        bch_wallet_bin,
                     )
                 except Exception as e:
                     logging.warning("bch: bitcoin-wallet create failed")

tests/basicswap/test_btc_xmr.py

@@ -1740,6 +1740,74 @@ class BasicSwapTest(TestFunctions):
         self.callnoderpc("unloadwallet", [new_wallet_name])
         self.callnoderpc("unloadwallet", [new_watch_wallet_name])
 
+    def test_014_encrypt_existing_wallet(self):
+        logging.info(
+            f"---------- Test {self.test_coin_from.name} encrypt existing wallet"
+        )
+
+        ci = self.swap_clients[0].ci(self.test_coin_from)
+        wallet_name = "encrypt_existing_wallet"
+
+        ci.createWallet(wallet_name)
+        ci.setActiveWallet(wallet_name)
+        chain_client_settings = self.swap_clients[0].getChainClientSettings(
+            self.test_coin_from
+        )
+        try:
+            chain_client_settings["manage_daemon"] = True
+            ci.initialiseWallet(ci.getNewRandomKey())
+
+            original_seed_id = ci.getWalletSeedID()
+
+            addr1 = ci.getNewAddress(True)
+            addr1_info = ci.rpc_wallet(
+                "getaddressinfo",
+                [
+                    addr1,
+                ],
+            )
+
+            addr_int1 = ci.rpc_wallet("getrawchangeaddress")
+            addr_int1_info = ci.rpc_wallet(
+                "getaddressinfo",
+                [
+                    addr_int1,
+                ],
+            )
+
+            ci.encryptWallet("test.123")
+
+            after_seed_id = ci.getWalletSeedID()
+
+            addr2 = ci.getNewAddress(True)
+            addr2_info = ci.rpc_wallet(
+                "getaddressinfo",
+                [
+                    addr2,
+                ],
+            )
+
+            addr_int2 = ci.rpc_wallet("getrawchangeaddress")
+            addr_int2_info = ci.rpc_wallet(
+                "getaddressinfo",
+                [
+                    addr_int2,
+                ],
+            )
+
+            key_id_field: str = (
+                "hdmasterkeyid"
+                if "hdmasterkeyid" in addr1_info
+                else "hdmasterfingerprint"
+            )
+            assert addr1_info[key_id_field] == addr2_info[key_id_field]
+            assert addr_int1_info[key_id_field] == addr_int2_info[key_id_field]
+            assert addr1_info[key_id_field] == addr_int1_info[key_id_field]
+            assert original_seed_id == after_seed_id
+        finally:
+            ci.setActiveWallet("wallet.dat")
+            chain_client_settings["manage_daemon"] = False
+
     def test_01_0_lock_bad_prevouts(self):
         logging.info(
             "---------- Test {} lock_bad_prevouts".format(self.test_coin_from.name)

tests/basicswap/test_reload.py

@@ -24,9 +24,6 @@ import threading
 import multiprocessing
 from unittest.mock import patch
 
-from basicswap.rpc import (
-    callrpc_cli,
-)
 from tests.basicswap.util import (
     read_json_api,
     post_json_api,
@@ -38,6 +35,7 @@ from tests.basicswap.common import (
     waitForNumSwapping,
 )
 from tests.basicswap.common_xmr import (
+    callrpc_cli,
     prepare_nodes,
 )
 import basicswap.bin.run as runSystem

tests/basicswap/test_xmr.py

@@ -39,7 +39,6 @@ from basicswap.util.address import (
 )
 from basicswap.rpc import (
     callrpc,
-    callrpc_cli,
 )
 from basicswap.rpc_xmr import (
     callrpc_xmr,
@@ -61,6 +60,7 @@ from tests.basicswap.util import (
     read_json_api,
 )
 from tests.basicswap.common import (
+    callrpc_cli,
     prepareDataDir,
     make_rpc_func,
     checkForks,
@@ -376,7 +376,7 @@ class BaseTest(unittest.TestCase):
 
         if os.path.isdir(TEST_DIR):
             if RESET_TEST:
-                logging.info("Removing " + TEST_DIR)
+                logging.info("Removing test dir " + TEST_DIR)
                 for name in os.listdir(TEST_DIR):
                     if name == "pivx-params":
                         continue
@@ -388,6 +388,8 @@ class BaseTest(unittest.TestCase):
             else:
                 logging.info("Restoring instance from " + TEST_DIR)
                 cls.restore_instance = True
+        else:
+            logging.info("Creating test dir " + TEST_DIR)
         if not os.path.exists(TEST_DIR):
             os.makedirs(TEST_DIR)
 
@@ -399,19 +401,25 @@ class BaseTest(unittest.TestCase):
 
         try:
             logging.info("Preparing coin nodes.")
+            part_wallet_bin = "particl-wallet" + (".exe" if os.name == "nt" else "")
             for i in range(NUM_NODES):
                 if not cls.restore_instance:
                     data_dir = prepareDataDir(TEST_DIR, i, "particl.conf", "part_")
-                    if os.path.exists(
+                    if not os.path.exists(
-                        os.path.join(cfg.PARTICL_BINDIR, "particl-wallet")
+                        os.path.join(
+                            cfg.PARTICL_BINDIR,
+                            part_wallet_bin,
+                        )
                     ):
+                        logging.warning(f"{part_wallet_bin} not found.")
+                    else:
                         try:
                             callrpc_cli(
                                 cfg.PARTICL_BINDIR,
                                 data_dir,
                                 "regtest",
                                 "-wallet=wallet.dat -legacy create",
-                                "particl-wallet",
+                                part_wallet_bin,
                             )
                         except Exception as e:
                             logging.warning(
@@ -422,7 +430,7 @@ class BaseTest(unittest.TestCase):
                                 data_dir,
                                 "regtest",
                                 "-wallet=wallet.dat create",
-                                "particl-wallet",
+                                part_wallet_bin,
                             )
 
                 cls.part_daemons.append(
@@ -471,6 +479,7 @@ class BaseTest(unittest.TestCase):
                     )
                     rpc("reservebalance", [False])
 
+            btc_wallet_bin = "bitcoin-wallet" + (".exe" if os.name == "nt" else "")
             for i in range(NUM_BTC_NODES):
                 if not cls.restore_instance:
                     data_dir = prepareDataDir(
@@ -481,9 +490,14 @@ class BaseTest(unittest.TestCase):
                         base_p2p_port=BTC_BASE_PORT,
                         base_rpc_port=BTC_BASE_RPC_PORT,
                     )
-                    if os.path.exists(
+                    if not os.path.exists(
-                        os.path.join(cfg.BITCOIN_BINDIR, "bitcoin-wallet")
+                        os.path.join(
+                            cfg.BITCOIN_BINDIR,
+                            btc_wallet_bin,
+                        )
                     ):
+                        logging.warning(f"{btc_wallet_bin} not found.")
+                    else:
                         if BTC_USE_DESCRIPTORS:
                             # How to set blank and disable_private_keys with wallet util?
                             pass
@@ -494,7 +508,7 @@ class BaseTest(unittest.TestCase):
                                     data_dir,
                                     "regtest",
                                     "-wallet=wallet.dat -legacy create",
-                                    "bitcoin-wallet",
+                                    btc_wallet_bin,
                                 )
                             except Exception as e:
                                 logging.warning(
@@ -505,7 +519,7 @@ class BaseTest(unittest.TestCase):
                                     data_dir,
                                     "regtest",
                                     "-wallet=wallet.dat create",
-                                    "bitcoin-wallet",
+                                    btc_wallet_bin,
                                 )
 
                 cls.btc_daemons.append(
@@ -536,6 +550,7 @@ class BaseTest(unittest.TestCase):
                     )
 
             if cls.start_ltc_nodes:
+                ltc_wallet_bin = "litecoin-wallet" + (".exe" if os.name == "nt" else "")
                 for i in range(NUM_LTC_NODES):
                     if not cls.restore_instance:
                         data_dir = prepareDataDir(
@@ -547,14 +562,16 @@ class BaseTest(unittest.TestCase):
                             base_rpc_port=LTC_BASE_RPC_PORT,
                         )
                         if os.path.exists(
-                            os.path.join(cfg.LITECOIN_BINDIR, "litecoin-wallet")
+                            os.path.join(cfg.LITECOIN_BINDIR, ltc_wallet_bin)
                         ):
+                            logging.warning(f"{ltc_wallet_bin} not found.")
+                        else:
                             callrpc_cli(
                                 cfg.LITECOIN_BINDIR,
                                 data_dir,
                                 "regtest",
                                 "-wallet=wallet.dat create",
-                                "litecoin-wallet",
+                                ltc_wallet_bin,
                             )
 
                     cls.ltc_daemons.append(
@@ -620,9 +637,10 @@ class BaseTest(unittest.TestCase):
                             "create_wallet",
                             {"filename": "testwallet", "language": "English"},
                         )
-                    cls.callxmrnodewallet(
+                    else:
-                        cls, i, "open_wallet", {"filename": "testwallet"}
+                        cls.callxmrnodewallet(
-                    )
+                            cls, i, "open_wallet", {"filename": "testwallet"}
+                        )
 
             for i in range(NUM_NODES):
                 # Hook for descendant classes