Move `verifymessage` from rpcwallet to rpcmisc

Enables it in --disable-wallet compiles.

src/rpcmisc.cpp

@@ -272,4 +272,55 @@ Value createmultisig(const Array& params, bool fHelp)
     return result;
 }
 
+Value verifymessage(const Array& params, bool fHelp)
+{
+    if (fHelp || params.size() != 3)
+        throw runtime_error(
+            "verifymessage \"bitcoinaddress\" \"signature\" \"message\"\n"
+            "\nVerify a signed message\n"
+            "\nArguments:\n"
+            "1. \"bitcoinaddress\"  (string, required) The bitcoin address to use for the signature.\n"
+            "2. \"signature\"       (string, required) The signature provided by the signer in base 64 encoding (see signmessage).\n"
+            "3. \"message\"         (string, required) The message that was signed.\n"
+            "\nResult:\n"
+            "true|false   (boolean) If the signature is verified or not.\n"
+            "\nExamples:\n"
+            "\nUnlock the wallet for 30 seconds\n"
+            + HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
+            "\nCreate the signature\n"
+            + HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"my message\"") +
+            "\nVerify the signature\n"
+            + HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"signature\" \"my message\"") +
+            "\nAs json rpc\n"
+            + HelpExampleRpc("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\", \"signature\", \"my message\"")
+        );
+
+    string strAddress  = params[0].get_str();
+    string strSign     = params[1].get_str();
+    string strMessage  = params[2].get_str();
+
+    CBitcoinAddress addr(strAddress);
+    if (!addr.IsValid())
+        throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");
+
+    CKeyID keyID;
+    if (!addr.GetKeyID(keyID))
+        throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
+
+    bool fInvalid = false;
+    vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
+
+    if (fInvalid)
+        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Malformed base64 encoding");
+
+    CHashWriter ss(SER_GETHASH, 0);
+    ss << strMessageMagic;
+    ss << strMessage;
+
+    CPubKey pubkey;
+    if (!pubkey.RecoverCompact(ss.GetHash(), vchSig))
+        return false;
+
+    return (pubkey.GetID() == keyID);
+}
 

src/rpcserver.cpp

@@ -254,6 +254,7 @@ static const CRPCCommand vRPCCommands[] =
     { "submitblock",            &submitblock,            false,     false,      false },
     { "validateaddress",        &validateaddress,        true,      false,      false },
     { "createmultisig",         &createmultisig,         true,      true ,      false },
+    { "verifymessage",          &verifymessage,          false,     false,      false },
 
 #ifdef ENABLE_WALLET
     /* Wallet */
@@ -283,7 +284,6 @@ static const CRPCCommand vRPCCommands[] =
     { "listtransactions",       &listtransactions,       false,     false,      true },
     { "listaddressgroupings",   &listaddressgroupings,   false,     false,      true },
     { "signmessage",            &signmessage,            false,     false,      true },
-    { "verifymessage",          &verifymessage,          false,     false,      false },
     { "listaccounts",           &listaccounts,           false,     false,      true },
     { "listsinceblock",         &listsinceblock,         false,     false,      true },
     { "dumpprivkey",            &dumpprivkey,            true,      false,      true },

src/rpcwallet.cpp

@@ -441,59 +441,6 @@ Value signmessage(const Array& params, bool fHelp)
     return EncodeBase64(&vchSig[0], vchSig.size());
 }
 
-Value verifymessage(const Array& params, bool fHelp)
-{
-    if (fHelp || params.size() != 3)
-        throw runtime_error(
-            "verifymessage \"bitcoinaddress\" \"signature\" \"message\"\n"
-            "\nVerify a signed message\n"
-            "\nArguments:\n"
-            "1. \"bitcoinaddress\"  (string, required) The bitcoin address to use for the signature.\n"
-            "2. \"signature\"       (string, required) The signature provided by the signer in base 64 encoding (see signmessage).\n"
-            "3. \"message\"         (string, required) The message that was signed.\n"
-            "\nResult:\n"
-            "true|false   (boolean) If the signature is verified or not.\n"
-            "\nExamples:\n"
-            "\nUnlock the wallet for 30 seconds\n"
-            + HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
-            "\nCreate the signature\n"
-            + HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"my message\"") +
-            "\nVerify the signature\n"
-            + HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"signature\" \"my message\"") +
-            "\nAs json rpc\n"
-            + HelpExampleRpc("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\", \"signature\", \"my message\"")
-        );
-
-    string strAddress  = params[0].get_str();
-    string strSign     = params[1].get_str();
-    string strMessage  = params[2].get_str();
-
-    CBitcoinAddress addr(strAddress);
-    if (!addr.IsValid())
-        throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");
-
-    CKeyID keyID;
-    if (!addr.GetKeyID(keyID))
-        throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
-
-    bool fInvalid = false;
-    vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
-
-    if (fInvalid)
-        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Malformed base64 encoding");
-
-    CHashWriter ss(SER_GETHASH, 0);
-    ss << strMessageMagic;
-    ss << strMessage;
-
-    CPubKey pubkey;
-    if (!pubkey.RecoverCompact(ss.GetHash(), vchSig))
-        return false;
-
-    return (pubkey.GetID() == keyID);
-}
-
-
 Value getreceivedbyaddress(const Array& params, bool fHelp)
 {
     if (fHelp || params.size() < 1 || params.size() > 2)