[Wallet] always show help-line of wallet encryption calls

Github-Pull: #11590
Rebased-From: 720d9e8fa1

src/wallet/rpcwallet.cpp

@@ -2106,7 +2106,7 @@ UniValue walletpassphrase(const JSONRPCRequest& request)
         return NullUniValue;
     }
 
-    if (pwallet->IsCrypted() && (request.fHelp || request.params.size() != 2)) {
+    if (request.fHelp || request.params.size() != 2) {
         throw std::runtime_error(
             "walletpassphrase \"passphrase\" timeout\n"
             "\nStores the wallet decryption key in memory for 'timeout' seconds.\n"
@@ -2170,7 +2170,7 @@ UniValue walletpassphrasechange(const JSONRPCRequest& request)
         return NullUniValue;
     }
 
-    if (pwallet->IsCrypted() && (request.fHelp || request.params.size() != 2)) {
+    if (request.fHelp || request.params.size() != 2) {
         throw std::runtime_error(
             "walletpassphrasechange \"oldpassphrase\" \"newpassphrase\"\n"
             "\nChanges the wallet passphrase from 'oldpassphrase' to 'newpassphrase'.\n"
@@ -2221,7 +2221,7 @@ UniValue walletlock(const JSONRPCRequest& request)
         return NullUniValue;
     }
 
-    if (pwallet->IsCrypted() && (request.fHelp || request.params.size() != 0)) {
+    if (request.fHelp || request.params.size() != 0) {
         throw std::runtime_error(
             "walletlock\n"
             "\nRemoves the wallet encryption key from memory, locking the wallet.\n"
@@ -2261,7 +2261,7 @@ UniValue encryptwallet(const JSONRPCRequest& request)
         return NullUniValue;
     }
 
-    if (!pwallet->IsCrypted() && (request.fHelp || request.params.size() != 1)) {
+    if (request.fHelp || request.params.size() != 1) {
         throw std::runtime_error(
             "encryptwallet \"passphrase\"\n"
             "\nEncrypts the wallet with 'passphrase'. This is for first time encryption.\n"