wallet: Test for descriptor wallet sethdseed and createwalletdescriptor

Author: achow101

test/functional/wallet_descriptor.py

@@ -10,6 +10,8 @@
 except ImportError:
     pass
 
+import re
+
 from test_framework.blocktools import COINBASE_MATURITY
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
@@ -25,7 +27,7 @@ def add_options(self, parser):
     def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 1
-        self.extra_args = [['-keypool=100']]
+        self.extra_args = [['-keypool=100', "-unsafesqlitesync=0"]]
         self.wallet_names = []
 
     def skip_test_if_missing_module(self):
@@ -241,6 +243,35 @@ def run_test(self):
         conn.close()
         assert_raises_rpc_error(-4, "Unexpected legacy entry in descriptor wallet found.", self.nodes[0].loadwallet, "crashme")
 
+        self.log.info("Test adding new autogenerated descriptors")
+        self.nodes[0].createwallet(wallet_name="autogen", descriptors=True, blank=True)
+        wallet = self.nodes[0].get_wallet_rpc("autogen")
+
+        # Set a new seed without adding new descriptors
+        wallet.sethdseed(False)
+
+        # seed cannot be rotated
+        assert_raises_rpc_error(-4, "The wallet already has an active HD key set. Create a new wallet if you want to rotate your keys.", wallet.sethdseed)
+
+        # Now add new autogenerated descriptors
+        addr_types = ["legacy", "p2sh-segwit", "bech32", "bech32m"]
+        for t in addr_types[0:2]:
+            wallet.createwalletdescriptor(t)
+            assert_raises_rpc_error(-4, "Descriptor already exists", wallet.createwalletdescriptor, t)
+
+        # We can make new change descriptors now
+        # Also testing the second parameter
+        for t in addr_types[2:]:
+            wallet.createwalletdescriptor(t, True)
+            wallet.createwalletdescriptor(t, False)
+
+        # Check that all descriptors use the same xpub
+        descs = wallet.listdescriptors()["descriptors"]
+        xpub = re.search(r"tpub.+?\/", descs[0]["desc"]).group()
+        for d in descs:
+            desc_xpub = re.search(r"tpub.+?\/", descs[0]["desc"])
+            assert desc_xpub
+            assert_equal(xpub, desc_xpub.group())
 
 if __name__ == '__main__':
     WalletDescriptorTest().main ()