scripted-diff: Replace NullUniValue with UniValue::VNULL

This is required for removing the UniValue copy constructor.

-BEGIN VERIFY SCRIPT-
 sed -i 's/return NullUniValue/return UniValue::VNULL/g' $(git grep -l NullUniValue ':(exclude)src/univalue')
-END VERIFY SCRIPT-

1 files changed, 7 insertions, 7 deletions

diff --git a/src/wallet/rpc/encrypt.cpp b/src/wallet/rpc/encrypt.cpp
index 931c64ca06..a68f52a718 100644
--- a/src/wallet/rpc/encrypt.cpp
+++ b/src/wallet/rpc/encrypt.cpp
@@ -32,7 +32,7 @@ RPCHelpMan walletpassphrase()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
-    if (!wallet) return NullUniValue;
+    if (!wallet) return UniValue::VNULL;
     CWallet* const pwallet = wallet.get();
 
     int64_t nSleepTime;
@@ -98,7 +98,7 @@ RPCHelpMan walletpassphrase()
         }
     }, nSleepTime);
 
-    return NullUniValue;
+    return UniValue::VNULL;
 },
     };
 }
@@ -120,7 +120,7 @@ RPCHelpMan walletpassphrasechange()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
-    if (!pwallet) return NullUniValue;
+    if (!pwallet) return UniValue::VNULL;
 
     LOCK(pwallet->cs_wallet);
 
@@ -146,7 +146,7 @@ RPCHelpMan walletpassphrasechange()
         throw JSONRPCError(RPC_WALLET_PASSPHRASE_INCORRECT, "Error: The wallet passphrase entered was incorrect.");
     }
 
-    return NullUniValue;
+    return UniValue::VNULL;
 },
     };
 }
@@ -173,7 +173,7 @@ RPCHelpMan walletlock()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
-    if (!pwallet) return NullUniValue;
+    if (!pwallet) return UniValue::VNULL;
 
     LOCK(pwallet->cs_wallet);
 
@@ -184,7 +184,7 @@ RPCHelpMan walletlock()
     pwallet->Lock();
     pwallet->nRelockTime = 0;
 
-    return NullUniValue;
+    return UniValue::VNULL;
 },
     };
 }
@@ -217,7 +217,7 @@ RPCHelpMan encryptwallet()
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
     std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
-    if (!pwallet) return NullUniValue;
+    if (!pwallet) return UniValue::VNULL;
 
     LOCK(pwallet->cs_wallet);