test: getdescriptorinfo/importdescriptors with whitespace in pubkeys

test/functional/wallet_importdescriptors.py

@@ -129,6 +129,20 @@ class ImportDescriptorsTest(BitcoinTestFramework):
         assert_equal(info["ismine"], True)
         assert_equal(info["ischange"], True)
 
+        self.log.info("Should not import a descriptor with an invalid public key due to whitespace")
+        self.test_importdesc({"desc": descsum_create("pkh( " + key.pubkey + ")"),
+                                    "timestamp": "now",
+                                    "internal": True},
+                                    error_code=-5,
+                                    error_message=f"pkh(): Key ' {key.pubkey}' is invalid due to whitespace",
+                                    success=False)
+        self.test_importdesc({"desc": descsum_create("pkh(" + key.pubkey + " )"),
+                                    "timestamp": "now",
+                                    "internal": True},
+                                    error_code=-5,
+                                    error_message=f"pkh(): Key '{key.pubkey} ' is invalid due to whitespace",
+                                    success=False)
+
         # # Test importing of a P2SH-P2WPKH descriptor
         key = get_generate_key()
         self.log.info("Should not import a p2sh-p2wpkh descriptor without checksum")