Merge bitcoin/bitcoin#23209: test: Avoid RPC roundtrip in MiniWallet get_descriptor()

fa3ab7b5b1 test: Avoid RPC roundtrip in MiniWallet get_descriptor() (MarcoFalke)

Pull request description:

  No need to call an RPC to calculate the checksum.

ACKs for top commit:
  theStack:
    ACK fa3ab7b5b1 🍂

Tree-SHA512: 2ab019bf7535d7a9fbf30f7e9f1c35f70b0e699e52a8218cbde636fbb0062f58809e750156d7e3cde2ec532023482a4fb26e8f0f2a18def5727cf13b432e3bfd

test/functional/test_framework/wallet.py

@@ -10,6 +10,7 @@ from enum import Enum
 from random import choice
 from typing import Optional
 from test_framework.address import ADDRESS_BCRT1_P2WSH_OP_TRUE
+from test_framework.descriptors import descsum_create
 from test_framework.key import ECKey
 from test_framework.messages import (
     COIN,
@@ -118,7 +119,7 @@ class MiniWallet:
         return blocks
 
     def get_descriptor(self):
-        return self._test_node.getdescriptorinfo(f'raw({self._scriptPubKey.hex()})')['descriptor']
+        return descsum_create(f'raw({self._scriptPubKey.hex()})')
 
     def get_address(self):
         return self._address