Shared code for wallet lock help and check

src/bitcoinrpc.cpp

@@ -115,6 +115,21 @@ HexBits(unsigned int nBits)
     return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
 }
 
+static std::string
+HelpRequiringPassphrase()
+{
+    return pwalletMain->IsCrypted()
+        ? "\nrequires wallet passphrase to be set with walletpassphrase first"
+        : "";
+}
+
+static inline void
+EnsureWalletIsUnlocked()
+{
+    if (pwalletMain->IsLocked())
+        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
+}
+
 enum DecomposeMode {
     DM_NONE = 0,
     DM_HASH,
@@ -731,15 +746,11 @@ Value settxfee(const Array& params, bool fHelp)
 
 Value sendtoaddress(const Array& params, bool fHelp)
 {
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
-        throw runtime_error(
-            "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.00000001\n"
-            "requires wallet passphrase to be set with walletpassphrase first");
-    if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
+    if (fHelp || params.size() < 2 || params.size() > 4)
         throw runtime_error(
             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.00000001");
+            "<amount> is a real and is rounded to the nearest 0.00000001"
+            + HelpRequiringPassphrase());
 
     CBitcoinAddress address(params[0].get_str());
     if (!address.IsValid())
@@ -772,8 +783,7 @@ Value signmessage(const Array& params, bool fHelp)
             "signmessage <bitcoinaddress> <message>\n"
             "Sign a message with the private key of an address");
 
-    if (pwalletMain->IsLocked())
-        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
+    EnsureWalletIsUnlocked();
 
     string strAddress = params[0].get_str();
     string strMessage = params[1].get_str();
@@ -1054,15 +1064,11 @@ Value movecmd(const Array& params, bool fHelp)
 
 Value sendfrom(const Array& params, bool fHelp)
 {
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() < 3 || params.size() > 6))
+    if (fHelp || params.size() < 3 || params.size() > 6)
         throw runtime_error(
             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.00000001\n"
-            "requires wallet passphrase to be set with walletpassphrase first");
-    if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 3 || params.size() > 6))
-        throw runtime_error(
-            "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
-            "<amount> is a real and is rounded to the nearest 0.00000001");
+            "<amount> is a real and is rounded to the nearest 0.00000001"
+            + HelpRequiringPassphrase());
 
     string strAccount = AccountFromValue(params[0]);
     CBitcoinAddress address(params[1].get_str());
@@ -1080,8 +1086,7 @@ Value sendfrom(const Array& params, bool fHelp)
     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
         wtx.mapValue["to"]      = params[5].get_str();
 
-    if (pwalletMain->IsLocked())
-        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
+    EnsureWalletIsUnlocked();
 
     // Check funds
     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
@@ -1099,15 +1104,11 @@ Value sendfrom(const Array& params, bool fHelp)
 
 Value sendmany(const Array& params, bool fHelp)
 {
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
-        throw runtime_error(
-            "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
-            "amounts are double-precision floating point numbers\n"
-            "requires wallet passphrase to be set with walletpassphrase first");
-    if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
+    if (fHelp || params.size() < 2 || params.size() > 4)
         throw runtime_error(
             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
-            "amounts are double-precision floating point numbers");
+            "amounts are double-precision floating point numbers"
+            + HelpRequiringPassphrase());
 
     string strAccount = AccountFromValue(params[0]);
     Object sendTo = params[1].get_obj();
@@ -1142,8 +1143,7 @@ Value sendmany(const Array& params, bool fHelp)
         vecSend.push_back(make_pair(scriptPubKey, nAmount));
     }
 
-    if (pwalletMain->IsLocked())
-        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
+    EnsureWalletIsUnlocked();
 
     // Check funds
     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
@@ -1742,17 +1742,13 @@ Value backupwallet(const Array& params, bool fHelp)
 
 Value keypoolrefill(const Array& params, bool fHelp)
 {
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() > 0))
-        throw runtime_error(
-            "keypoolrefill\n"
-            "Fills the keypool, requires wallet passphrase to be set.");
-    if (!pwalletMain->IsCrypted() && (fHelp || params.size() > 0))
+    if (fHelp || params.size() > 0)
         throw runtime_error(
             "keypoolrefill\n"
-            "Fills the keypool.");
+            "Fills the keypool."
+            + HelpRequiringPassphrase());
 
-    if (pwalletMain->IsLocked())
-        throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
+    EnsureWalletIsUnlocked();
 
     pwalletMain->TopUpKeyPool();