Added missing blank value in some RPC commands

src/wallet/rpc/wallet.cpp

@@ -71,6 +71,8 @@ static RPCHelpMan getwalletinfo()
                 {RPCResult::Type::BOOL, "descriptors", "whether this wallet uses descriptors for scriptPubKey management"},
                 {RPCResult::Type::BOOL, "external_signer", "whether this wallet is configured to use an external signer such as a hardware wallet"},
                 {RPCResult::Type::BOOL, "blsct", "whether this wallet supports BLSCT keys"},
+                {RPCResult::Type::BOOL, "blank", "Whether this wallet intentionally does not contain any keys, scripts, or descriptors"},
+                {RPCResult::Type::NUM_TIME, "birthtime", /*optional=*/true, "The start time for blocks scanning. It could be modified by (re)importing any descriptor with an earlier timestamp."},
                 RESULT_LAST_PROCESSED_BLOCK,
             }},
         },
@@ -130,6 +132,10 @@ static RPCHelpMan getwalletinfo()
             obj.pushKV("descriptors", pwallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
             obj.pushKV("external_signer", pwallet->IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER));
             obj.pushKV("blsct", pwallet->IsWalletFlagSet(WALLET_FLAG_BLSCT));
+            obj.pushKV("blank", pwallet->IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET));
+            if (int64_t birthtime = pwallet->GetBirthTime(); birthtime != UNKNOWN_TIME) {
+                obj.pushKV("birthtime", birthtime);
+            }
 
             AppendLastProcessedBlock(obj, *pwallet);
             return obj;

test/functional/wallet_blank.py

@@ -32,6 +32,7 @@ def test_importaddress(self):
         self.nodes[0].createwallet(wallet_name="iaddr", disable_private_keys=True, blank=True)
         wallet = self.nodes[0].get_wallet_rpc("iaddr")
         info = wallet.getwalletinfo()
+        print(info)
         assert_equal(info["descriptors"], False)
         assert_equal(info["blank"], True)
         wallet.importaddress(ADDRESS_BCRT1_UNSPENDABLE)