Check descriptors returned by external signers

Check that descriptors returned by external signers have been parsed properly when creating a new wallet.

1 files changed, 65 insertions, 0 deletions

diff --git a/test/functional/mocks/invalid_signer.py b/test/functional/mocks/invalid_signer.py
new file mode 100755
index 0000000000..e30cc9e20b
--- /dev/null
+++ b/test/functional/mocks/invalid_signer.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+# Copyright (c) 2018-2021 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+import os
+import sys
+import argparse
+import json
+
+def perform_pre_checks():
+    mock_result_path = os.path.join(os.getcwd(), "mock_result")
+    if(os.path.isfile(mock_result_path)):
+        with open(mock_result_path, "r", encoding="utf8") as f:
+            mock_result = f.read()
+        if mock_result[0]:
+            sys.stdout.write(mock_result[2:])
+            sys.exit(int(mock_result[0]))
+
+def enumerate(args):
+    sys.stdout.write(json.dumps([{"fingerprint": "b3c19bfc", "type": "trezor", "model": "trezor_t"}, {"fingerprint": "00000002"}]))
+
+def getdescriptors(args):
+    xpub_pkh = "xpub6CRhJvXV8x2AKWvqi1ZSMFU6cbxzQiYrv3dxSUXCawjMJ1JzpqVsveH4way1yCmJm29KzH1zrVZmVwes4Qo6oXVE1HFn4fdiKrYJngqFFc6"
+    xpub_sh = "xpub6CoNoq3Tg4tGSpom2BSwL42gy864KHo3TXkHxLxBbhvCkgmdVXADQmiHbLZhX3Me1cYhRx7s25Lpm4LnT5zu395ANHsXB2QvT9tqJDAibTN"
+    xpub_wpkh = "xpub6DUcLgY1DfgDy2RV6q4djwwsLitaoZDumbribqrR8mP78fEtgZa1XEsqT5MWQ7gwLwKsTQPT28XLoVE5A97rDNTwMXjmzPaNijoCApCbWvp"
+
+    sys.stdout.write(json.dumps({
+        "receive": [
+            "pkh([b3c19bfc/44'/1'/" + args.account + "']" + xpub_pkh + "/0/*)#h26nxtl9",
+            "sh(wpkh([b3c19bfc/49'/1'/" + args.account + "']" + xpub_sh + "/0/*))#32ry02yp",
+            "wpkh([b3c19bfc/84'/1'/" + args.account + "']" + xpub_wpkh + "/0/*)#jftn8ppv"
+        ],
+        "internal": [
+            "pkh([b3c19bfc/44'/1'/" + args.account + "']" + xpub_pkh + "/1/*)#x7ljm70a",
+            "sh(wpkh([b3c19bfc/49'/1'/" + args.account + "']" + xpub_sh + "/1/*))#ytdjh437",
+            "wpkh([b3c19bfc/84'/1'/" + args.account + "']" + xpub_wpkh + "/1/*)#rawj6535"
+        ]
+    }))
+
+parser = argparse.ArgumentParser(prog='./invalid_signer.py', description='External invalid signer mock')
+parser.add_argument('--fingerprint')
+parser.add_argument('--chain', default='main')
+parser.add_argument('--stdin', action='store_true')
+
+subparsers = parser.add_subparsers(description='Commands', dest='command')
+subparsers.required = True
+
+parser_enumerate = subparsers.add_parser('enumerate', help='list available signers')
+parser_enumerate.set_defaults(func=enumerate)
+
+parser_getdescriptors = subparsers.add_parser('getdescriptors')
+parser_getdescriptors.set_defaults(func=getdescriptors)
+parser_getdescriptors.add_argument('--account', metavar='account')
+
+if not sys.stdin.isatty():
+    buffer = sys.stdin.read()
+    if buffer and buffer.rstrip() != "":
+        sys.argv.extend(buffer.rstrip().split(" "))
+
+args = parser.parse_args()
+
+perform_pre_checks()
+
+args.func(args)