diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp
index 9d4c4e53b..2d66448d8 100644
--- a/src/bitcoin-cli.cpp
+++ b/src/bitcoin-cli.cpp
@@ -223,7 +223,7 @@ UniValue CallRPC(const string& strMethod, const UniValue& params)
     evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str());
 
     // Attach request data
-    std::string strRequest = JSONRPCRequest(strMethod, params, 1);
+    std::string strRequest = JSONRPCRequestObj(strMethod, params, 1).write() + "\n";
     struct evbuffer * output_buffer = evhttp_request_get_output_buffer(req);
     assert(output_buffer);
     evbuffer_add(output_buffer, strRequest.data(), strRequest.size());
diff --git a/src/httprpc.cpp b/src/httprpc.cpp
index 6a6c5276c..e35acb6cd 100644
--- a/src/httprpc.cpp
+++ b/src/httprpc.cpp
@@ -127,7 +127,7 @@ static bool multiUserAuthorized(std::string strUserPass)
     return false;
 }
 
-static bool RPCAuthorized(const std::string& strAuth)
+static bool RPCAuthorized(const std::string& strAuth, std::string& strAuthUsernameOut)
 {
     if (strRPCUserColonPass.empty()) // Belt-and-suspenders measure if InitRPCAuthentication was not called
         return false;
@@ -136,7 +136,10 @@ static bool RPCAuthorized(const std::string& strAuth)
     std::string strUserPass64 = strAuth.substr(6);
     boost::trim(strUserPass64);
     std::string strUserPass = DecodeBase64(strUserPass64);
-    
+
+    if (strUserPass.find(":") != std::string::npos)
+        strAuthUsernameOut = strUserPass.substr(0, strUserPass.find(":"));
+
     //Check if authorized under single-user field
     if (TimingResistantEqual(strUserPass, strRPCUserColonPass)) {
         return true;
@@ -159,7 +162,8 @@ static bool HTTPReq_JSONRPC(HTTPRequest* req, const std::string &)
         return false;
     }
 
-    if (!RPCAuthorized(authHeader.second)) {
+    JSONRPCRequest jreq;
+    if (!RPCAuthorized(authHeader.second, jreq.authUser)) {
         LogPrintf("ThreadRPCServer incorrect password attempt from %s\n", req->GetPeer().ToString());
 
         /* Deter brute-forcing
@@ -172,19 +176,21 @@ static bool HTTPReq_JSONRPC(HTTPRequest* req, const std::string &)
         return false;
     }
 
-    JSONRequest jreq;
     try {
         // Parse request
         UniValue valRequest;
         if (!valRequest.read(req->ReadBody()))
             throw JSONRPCError(RPC_PARSE_ERROR, "Parse error");
 
+        // Set the URI
+        jreq.URI = req->GetURI();
+
         std::string strReply;
         // singleton request
         if (valRequest.isObject()) {
             jreq.parse(valRequest);
 
-            UniValue result = tableRPC.execute(jreq.strMethod, jreq.params);
+            UniValue result = tableRPC.execute(jreq);
 
             // Send reply
             strReply = JSONRPCReply(result, NullUniValue, jreq.id);
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index a1017e6c1..f10dddf58 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -246,7 +246,10 @@ bool RPCConsole::RPCExecuteCommandLine(std::string &strResult, const std::string
                         std::string strPrint;
                         // Convert argument list to JSON objects in method-dependent way,
                         // and pass it along with the method name to the dispatcher.
-                        lastResult = tableRPC.execute(stack.back()[0], RPCConvertValues(stack.back()[0], std::vector<std::string>(stack.back().begin() + 1, stack.back().end())));
+                        JSONRPCRequest req;
+                        req.params = RPCConvertValues(stack.back()[0], std::vector<std::string>(stack.back().begin() + 1, stack.back().end()));
+                        req.strMethod = stack.back()[0];
+                        lastResult = tableRPC.execute(req);
 
                         state = STATE_COMMAND_EXECUTED;
                         curarg.clear();
diff --git a/src/rest.cpp b/src/rest.cpp
index c81559212..b8b542062 100644
--- a/src/rest.cpp
+++ b/src/rest.cpp
@@ -274,7 +274,7 @@ static bool rest_block_notxdetails(HTTPRequest* req, const std::string& strURIPa
 }
 
 // A bit of a hack - dependency on a function defined in rpc/blockchain.cpp
-UniValue getblockchaininfo(const UniValue& params, bool fHelp);
+UniValue getblockchaininfo(const JSONRPCRequest& request);
 
 static bool rest_chaininfo(HTTPRequest* req, const std::string& strURIPart)
 {
@@ -285,8 +285,9 @@ static bool rest_chaininfo(HTTPRequest* req, const std::string& strURIPart)
 
     switch (rf) {
     case RF_JSON: {
-        UniValue rpcParams(UniValue::VARR);
-        UniValue chainInfoObject = getblockchaininfo(rpcParams, false);
+        JSONRPCRequest jsonRequest;
+        jsonRequest.params = UniValue(UniValue::VARR);
+        UniValue chainInfoObject = getblockchaininfo(jsonRequest);
         string strJSON = chainInfoObject.write() + "\n";
         req->WriteHeader("Content-Type", "application/json");
         req->WriteReply(HTTP_OK, strJSON);
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 5414ac9ff..0c827a1e3 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -146,9 +146,9 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx
     return result;
 }
 
-UniValue getblockcount(const UniValue& params, bool fHelp)
+UniValue getblockcount(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getblockcount\n"
             "\nReturns the number of blocks in the longest block chain.\n"
@@ -163,9 +163,9 @@ UniValue getblockcount(const UniValue& params, bool fHelp)
     return chainActive.Height();
 }
 
-UniValue getbestblockhash(const UniValue& params, bool fHelp)
+UniValue getbestblockhash(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getbestblockhash\n"
             "\nReturns the hash of the best (tip) block in the longest block chain.\n"
@@ -190,9 +190,9 @@ void RPCNotifyBlockChange(bool ibd, const CBlockIndex * pindex)
 	cond_blockchange.notify_all();
 }
 
-UniValue waitfornewblock(const UniValue& params, bool fHelp)
+UniValue waitfornewblock(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() > 1)
+    if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "waitfornewblock\n"
             "\nWaits for a specific new block and returns useful info about it.\n"
@@ -209,8 +209,8 @@ UniValue waitfornewblock(const UniValue& params, bool fHelp)
             + HelpExampleRpc("waitfornewblock", "1000")
         );
     int timeout = 0;
-    if (params.size() > 0)
-        timeout = params[0].get_int();
+    if (request.params.size() > 0)
+        timeout = request.params[0].get_int();
 
     CUpdatedBlock block;
     {
@@ -228,9 +228,9 @@ UniValue waitfornewblock(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue waitforblock(const UniValue& params, bool fHelp)
+UniValue waitforblock(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "waitforblock\n"
             "\nWaits for a specific new block and returns useful info about it.\n"
@@ -249,10 +249,10 @@ UniValue waitforblock(const UniValue& params, bool fHelp)
         );
     int timeout = 0;
 
-    uint256 hash = uint256S(params[0].get_str());
+    uint256 hash = uint256S(request.params[0].get_str());
 
-    if (params.size() > 1)
-        timeout = params[1].get_int();
+    if (request.params.size() > 1)
+        timeout = request.params[1].get_int();
 
     CUpdatedBlock block;
     {
@@ -270,9 +270,9 @@ UniValue waitforblock(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue waitforblockheight(const UniValue& params, bool fHelp)
+UniValue waitforblockheight(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "waitforblock\n"
             "\nWaits for (at least) block height and returns the height and hash\n"
@@ -292,10 +292,10 @@ UniValue waitforblockheight(const UniValue& params, bool fHelp)
         );
     int timeout = 0;
 
-    int height = params[0].get_int();
+    int height = request.params[0].get_int();
 
-    if (params.size() > 1)
-        timeout = params[1].get_int();
+    if (request.params.size() > 1)
+        timeout = request.params[1].get_int();
 
     CUpdatedBlock block;
     {
@@ -312,9 +312,9 @@ UniValue waitforblockheight(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue getdifficulty(const UniValue& params, bool fHelp)
+UniValue getdifficulty(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getdifficulty\n"
             "\nReturns the proof-of-work difficulty as a multiple of the minimum difficulty.\n"
@@ -411,9 +411,9 @@ UniValue mempoolToJSON(bool fVerbose = false)
     }
 }
 
-UniValue getrawmempool(const UniValue& params, bool fHelp)
+UniValue getrawmempool(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() > 1)
+    if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "getrawmempool ( verbose )\n"
             "\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n"
@@ -436,15 +436,15 @@ UniValue getrawmempool(const UniValue& params, bool fHelp)
         );
 
     bool fVerbose = false;
-    if (params.size() > 0)
-        fVerbose = params[0].get_bool();
+    if (request.params.size() > 0)
+        fVerbose = request.params[0].get_bool();
 
     return mempoolToJSON(fVerbose);
 }
 
-UniValue getmempoolancestors(const UniValue& params, bool fHelp)
+UniValue getmempoolancestors(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2) {
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
         throw runtime_error(
             "getmempoolancestors txid (verbose)\n"
             "\nIf txid is in the mempool, returns all in-mempool ancestors.\n"
@@ -469,10 +469,10 @@ UniValue getmempoolancestors(const UniValue& params, bool fHelp)
     }
 
     bool fVerbose = false;
-    if (params.size() > 1)
-        fVerbose = params[1].get_bool();
+    if (request.params.size() > 1)
+        fVerbose = request.params[1].get_bool();
 
-    uint256 hash = ParseHashV(params[0], "parameter 1");
+    uint256 hash = ParseHashV(request.params[0], "parameter 1");
 
     LOCK(mempool.cs);
 
@@ -506,9 +506,9 @@ UniValue getmempoolancestors(const UniValue& params, bool fHelp)
     }
 }
 
-UniValue getmempooldescendants(const UniValue& params, bool fHelp)
+UniValue getmempooldescendants(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2) {
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
         throw runtime_error(
             "getmempooldescendants txid (verbose)\n"
             "\nIf txid is in the mempool, returns all in-mempool descendants.\n"
@@ -533,10 +533,10 @@ UniValue getmempooldescendants(const UniValue& params, bool fHelp)
     }
 
     bool fVerbose = false;
-    if (params.size() > 1)
-        fVerbose = params[1].get_bool();
+    if (request.params.size() > 1)
+        fVerbose = request.params[1].get_bool();
 
-    uint256 hash = ParseHashV(params[0], "parameter 1");
+    uint256 hash = ParseHashV(request.params[0], "parameter 1");
 
     LOCK(mempool.cs);
 
@@ -570,9 +570,9 @@ UniValue getmempooldescendants(const UniValue& params, bool fHelp)
     }
 }
 
-UniValue getmempoolentry(const UniValue& params, bool fHelp)
+UniValue getmempoolentry(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1) {
+    if (request.fHelp || request.params.size() != 1) {
         throw runtime_error(
             "getmempoolentry txid\n"
             "\nReturns mempool data for given transaction\n"
@@ -588,7 +588,7 @@ UniValue getmempoolentry(const UniValue& params, bool fHelp)
         );
     }
 
-    uint256 hash = ParseHashV(params[0], "parameter 1");
+    uint256 hash = ParseHashV(request.params[0], "parameter 1");
 
     LOCK(mempool.cs);
 
@@ -603,9 +603,9 @@ UniValue getmempoolentry(const UniValue& params, bool fHelp)
     return info;
 }
 
-UniValue getblockhash(const UniValue& params, bool fHelp)
+UniValue getblockhash(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "getblockhash index\n"
             "\nReturns hash of block in best-block-chain at index provided.\n"
@@ -620,7 +620,7 @@ UniValue getblockhash(const UniValue& params, bool fHelp)
 
     LOCK(cs_main);
 
-    int nHeight = params[0].get_int();
+    int nHeight = request.params[0].get_int();
     if (nHeight < 0 || nHeight > chainActive.Height())
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range");
 
@@ -628,9 +628,9 @@ UniValue getblockhash(const UniValue& params, bool fHelp)
     return pblockindex->GetBlockHash().GetHex();
 }
 
-UniValue getblockheader(const UniValue& params, bool fHelp)
+UniValue getblockheader(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "getblockheader \"hash\" ( verbose )\n"
             "\nIf verbose is false, returns a string that is serialized, hex-encoded data for blockheader 'hash'.\n"
@@ -664,12 +664,12 @@ UniValue getblockheader(const UniValue& params, bool fHelp)
 
     LOCK(cs_main);
 
-    std::string strHash = params[0].get_str();
+    std::string strHash = request.params[0].get_str();
     uint256 hash(uint256S(strHash));
 
     bool fVerbose = true;
-    if (params.size() > 1)
-        fVerbose = params[1].get_bool();
+    if (request.params.size() > 1)
+        fVerbose = request.params[1].get_bool();
 
     if (mapBlockIndex.count(hash) == 0)
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
@@ -687,9 +687,9 @@ UniValue getblockheader(const UniValue& params, bool fHelp)
     return blockheaderToJSON(pblockindex);
 }
 
-UniValue getblock(const UniValue& params, bool fHelp)
+UniValue getblock(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "getblock \"hash\" ( verbose )\n"
             "\nIf verbose is false, returns a string that is serialized, hex-encoded data for block 'hash'.\n"
@@ -730,12 +730,12 @@ UniValue getblock(const UniValue& params, bool fHelp)
 
     LOCK(cs_main);
 
-    std::string strHash = params[0].get_str();
+    std::string strHash = request.params[0].get_str();
     uint256 hash(uint256S(strHash));
 
     bool fVerbose = true;
-    if (params.size() > 1)
-        fVerbose = params[1].get_bool();
+    if (request.params.size() > 1)
+        fVerbose = request.params[1].get_bool();
 
     if (mapBlockIndex.count(hash) == 0)
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
@@ -814,9 +814,9 @@ static bool GetUTXOStats(CCoinsView *view, CCoinsStats &stats)
     return true;
 }
 
-UniValue gettxoutsetinfo(const UniValue& params, bool fHelp)
+UniValue gettxoutsetinfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "gettxoutsetinfo\n"
             "\nReturns statistics about the unspent transaction output set.\n"
@@ -854,9 +854,9 @@ UniValue gettxoutsetinfo(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue gettxout(const UniValue& params, bool fHelp)
+UniValue gettxout(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 2 || params.size() > 3)
+    if (request.fHelp || request.params.size() < 2 || request.params.size() > 3)
         throw runtime_error(
             "gettxout \"txid\" n ( includemempool )\n"
             "\nReturns details about an unspent transaction output.\n"
@@ -896,12 +896,12 @@ UniValue gettxout(const UniValue& params, bool fHelp)
 
     UniValue ret(UniValue::VOBJ);
 
-    std::string strHash = params[0].get_str();
+    std::string strHash = request.params[0].get_str();
     uint256 hash(uint256S(strHash));
-    int n = params[1].get_int();
+    int n = request.params[1].get_int();
     bool fMempool = true;
-    if (params.size() > 2)
-        fMempool = params[2].get_bool();
+    if (request.params.size() > 2)
+        fMempool = request.params[2].get_bool();
 
     CCoins coins;
     if (fMempool) {
@@ -934,11 +934,11 @@ UniValue gettxout(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue verifychain(const UniValue& params, bool fHelp)
+UniValue verifychain(const JSONRPCRequest& request)
 {
     int nCheckLevel = GetArg("-checklevel", DEFAULT_CHECKLEVEL);
     int nCheckDepth = GetArg("-checkblocks", DEFAULT_CHECKBLOCKS);
-    if (fHelp || params.size() > 2)
+    if (request.fHelp || request.params.size() > 2)
         throw runtime_error(
             "verifychain ( checklevel numblocks )\n"
             "\nVerifies blockchain database.\n"
@@ -954,10 +954,10 @@ UniValue verifychain(const UniValue& params, bool fHelp)
 
     LOCK(cs_main);
 
-    if (params.size() > 0)
-        nCheckLevel = params[0].get_int();
-    if (params.size() > 1)
-        nCheckDepth = params[1].get_int();
+    if (request.params.size() > 0)
+        nCheckLevel = request.params[0].get_int();
+    if (request.params.size() > 1)
+        nCheckDepth = request.params[1].get_int();
 
     return CVerifyDB().VerifyDB(Params(), pcoinsTip, nCheckLevel, nCheckDepth);
 }
@@ -1021,9 +1021,9 @@ void BIP9SoftForkDescPushBack(UniValue& bip9_softforks, const std::string &name,
         bip9_softforks.push_back(Pair(name, BIP9SoftForkDesc(consensusParams, id)));
 }
 
-UniValue getblockchaininfo(const UniValue& params, bool fHelp)
+UniValue getblockchaininfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getblockchaininfo\n"
             "Returns an object containing various state info regarding block chain processing.\n"
@@ -1113,9 +1113,9 @@ struct CompareBlocksByHeight
     }
 };
 
-UniValue getchaintips(const UniValue& params, bool fHelp)
+UniValue getchaintips(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getchaintips\n"
             "Return information about all known tips in the block tree,"
@@ -1229,9 +1229,9 @@ UniValue mempoolInfoToJSON()
     return ret;
 }
 
-UniValue getmempoolinfo(const UniValue& params, bool fHelp)
+UniValue getmempoolinfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getmempoolinfo\n"
             "\nReturns details on the active state of the TX memory pool.\n"
@@ -1251,9 +1251,9 @@ UniValue getmempoolinfo(const UniValue& params, bool fHelp)
     return mempoolInfoToJSON();
 }
 
-UniValue preciousblock(const UniValue& params, bool fHelp)
+UniValue preciousblock(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "preciousblock \"hash\"\n"
             "\nTreats a block as if it were received before others with the same work.\n"
@@ -1267,7 +1267,7 @@ UniValue preciousblock(const UniValue& params, bool fHelp)
             + HelpExampleRpc("preciousblock", "\"blockhash\"")
         );
 
-    std::string strHash = params[0].get_str();
+    std::string strHash = request.params[0].get_str();
     uint256 hash(uint256S(strHash));
     CBlockIndex* pblockindex;
 
@@ -1289,9 +1289,9 @@ UniValue preciousblock(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue invalidateblock(const UniValue& params, bool fHelp)
+UniValue invalidateblock(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "invalidateblock \"hash\"\n"
             "\nPermanently marks a block as invalid, as if it violated a consensus rule.\n"
@@ -1303,7 +1303,7 @@ UniValue invalidateblock(const UniValue& params, bool fHelp)
             + HelpExampleRpc("invalidateblock", "\"blockhash\"")
         );
 
-    std::string strHash = params[0].get_str();
+    std::string strHash = request.params[0].get_str();
     uint256 hash(uint256S(strHash));
     CValidationState state;
 
@@ -1327,9 +1327,9 @@ UniValue invalidateblock(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue reconsiderblock(const UniValue& params, bool fHelp)
+UniValue reconsiderblock(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "reconsiderblock \"hash\"\n"
             "\nRemoves invalidity status of a block and its descendants, reconsider them for activation.\n"
@@ -1342,7 +1342,7 @@ UniValue reconsiderblock(const UniValue& params, bool fHelp)
             + HelpExampleRpc("reconsiderblock", "\"blockhash\"")
         );
 
-    std::string strHash = params[0].get_str();
+    std::string strHash = request.params[0].get_str();
     uint256 hash(uint256S(strHash));
 
     {
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 891b04482..d509dd691 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -74,9 +74,9 @@ UniValue GetNetworkHashPS(int lookup, int height) {
     return workDiff.getdouble() / timeDiff;
 }
 
-UniValue getnetworkhashps(const UniValue& params, bool fHelp)
+UniValue getnetworkhashps(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() > 2)
+    if (request.fHelp || request.params.size() > 2)
         throw runtime_error(
             "getnetworkhashps ( blocks height )\n"
             "\nReturns the estimated network hashes per second based on the last n blocks.\n"
@@ -93,7 +93,7 @@ UniValue getnetworkhashps(const UniValue& params, bool fHelp)
        );
 
     LOCK(cs_main);
-    return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1);
+    return GetNetworkHashPS(request.params.size() > 0 ? request.params[0].get_int() : 120, request.params.size() > 1 ? request.params[1].get_int() : -1);
 }
 
 UniValue generateBlocks(boost::shared_ptr<CReserveScript> coinbaseScript, int nGenerate, uint64_t nMaxTries, bool keepScript)
@@ -146,9 +146,9 @@ UniValue generateBlocks(boost::shared_ptr<CReserveScript> coinbaseScript, int nG
     return blockHashes;
 }
 
-UniValue generate(const UniValue& params, bool fHelp)
+UniValue generate(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "generate numblocks ( maxtries )\n"
             "\nMine up to numblocks blocks immediately (before the RPC call returns)\n"
@@ -162,10 +162,10 @@ UniValue generate(const UniValue& params, bool fHelp)
             + HelpExampleCli("generate", "11")
         );
 
-    int nGenerate = params[0].get_int();
+    int nGenerate = request.params[0].get_int();
     uint64_t nMaxTries = 1000000;
-    if (params.size() > 1) {
-        nMaxTries = params[1].get_int();
+    if (request.params.size() > 1) {
+        nMaxTries = request.params[1].get_int();
     }
 
     boost::shared_ptr<CReserveScript> coinbaseScript;
@@ -182,9 +182,9 @@ UniValue generate(const UniValue& params, bool fHelp)
     return generateBlocks(coinbaseScript, nGenerate, nMaxTries, true);
 }
 
-UniValue generatetoaddress(const UniValue& params, bool fHelp)
+UniValue generatetoaddress(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 2 || params.size() > 3)
+    if (request.fHelp || request.params.size() < 2 || request.params.size() > 3)
         throw runtime_error(
             "generatetoaddress numblocks address (maxtries)\n"
             "\nMine blocks immediately to a specified address (before the RPC call returns)\n"
@@ -199,13 +199,13 @@ UniValue generatetoaddress(const UniValue& params, bool fHelp)
             + HelpExampleCli("generatetoaddress", "11 \"myaddress\"")
         );
 
-    int nGenerate = params[0].get_int();
+    int nGenerate = request.params[0].get_int();
     uint64_t nMaxTries = 1000000;
-    if (params.size() > 2) {
-        nMaxTries = params[2].get_int();
+    if (request.params.size() > 2) {
+        nMaxTries = request.params[2].get_int();
     }
 
-    CBitcoinAddress address(params[1].get_str());
+    CBitcoinAddress address(request.params[1].get_str());
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Error: Invalid address");
     
@@ -215,9 +215,9 @@ UniValue generatetoaddress(const UniValue& params, bool fHelp)
     return generateBlocks(coinbaseScript, nGenerate, nMaxTries, false);
 }
 
-UniValue getmininginfo(const UniValue& params, bool fHelp)
+UniValue getmininginfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getmininginfo\n"
             "\nReturns a json object containing mining-related information."
@@ -248,7 +248,7 @@ UniValue getmininginfo(const UniValue& params, bool fHelp)
     obj.push_back(Pair("currentblocktx",   (uint64_t)nLastBlockTx));
     obj.push_back(Pair("difficulty",       (double)GetDifficulty()));
     obj.push_back(Pair("errors",           GetWarnings("statusbar")));
-    obj.push_back(Pair("networkhashps",    getnetworkhashps(params, false)));
+    obj.push_back(Pair("networkhashps",    getnetworkhashps(request)));
     obj.push_back(Pair("pooledtx",         (uint64_t)mempool.size()));
     obj.push_back(Pair("chain",            Params().NetworkIDString()));
     return obj;
@@ -256,9 +256,9 @@ UniValue getmininginfo(const UniValue& params, bool fHelp)
 
 
 // NOTE: Unlike wallet RPC (which use BTC values), mining RPCs follow GBT (BIP 22) in using satoshi amounts
-UniValue prioritisetransaction(const UniValue& params, bool fHelp)
+UniValue prioritisetransaction(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 3)
+    if (request.fHelp || request.params.size() != 3)
         throw runtime_error(
             "prioritisetransaction <txid> <priority delta> <fee delta>\n"
             "Accepts the transaction into mined blocks at a higher (or lower) priority\n"
@@ -279,10 +279,10 @@ UniValue prioritisetransaction(const UniValue& params, bool fHelp)
 
     LOCK(cs_main);
 
-    uint256 hash = ParseHashStr(params[0].get_str(), "txid");
-    CAmount nAmount = params[2].get_int64();
+    uint256 hash = ParseHashStr(request.params[0].get_str(), "txid");
+    CAmount nAmount = request.params[2].get_int64();
 
-    mempool.PrioritiseTransaction(hash, params[0].get_str(), params[1].get_real(), nAmount);
+    mempool.PrioritiseTransaction(hash, request.params[0].get_str(), request.params[1].get_real(), nAmount);
     return true;
 }
 
@@ -315,9 +315,9 @@ std::string gbt_vb_name(const Consensus::DeploymentPos pos) {
     return s;
 }
 
-UniValue getblocktemplate(const UniValue& params, bool fHelp)
+UniValue getblocktemplate(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() > 1)
+    if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "getblocktemplate ( TemplateRequest )\n"
             "\nIf the request parameters include a 'mode' key, that is used to explicitly select between the default 'template' request or a 'proposal'.\n"
@@ -400,9 +400,9 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp)
     UniValue lpval = NullUniValue;
     std::set<std::string> setClientRules;
     int64_t nMaxVersionPreVB = -1;
-    if (params.size() > 0)
+    if (request.params.size() > 0)
     {
-        const UniValue& oparam = params[0].get_obj();
+        const UniValue& oparam = request.params[0].get_obj();
         const UniValue& modeval = find_value(oparam, "mode");
         if (modeval.isStr())
             strMode = modeval.get_str();
@@ -705,9 +705,9 @@ protected:
     };
 };
 
-UniValue submitblock(const UniValue& params, bool fHelp)
+UniValue submitblock(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "submitblock \"hexdata\" ( \"jsonparametersobject\" )\n"
             "\nAttempts to submit new block to network.\n"
@@ -727,7 +727,7 @@ UniValue submitblock(const UniValue& params, bool fHelp)
         );
 
     CBlock block;
-    if (!DecodeHexBlk(block, params[0].get_str()))
+    if (!DecodeHexBlk(block, request.params[0].get_str()))
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
 
     uint256 hash = block.GetHash();
@@ -774,9 +774,9 @@ UniValue submitblock(const UniValue& params, bool fHelp)
     return BIP22ValidationResult(state);
 }
 
-UniValue estimatefee(const UniValue& params, bool fHelp)
+UniValue estimatefee(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "estimatefee nblocks\n"
             "\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n"
@@ -792,9 +792,9 @@ UniValue estimatefee(const UniValue& params, bool fHelp)
             + HelpExampleCli("estimatefee", "6")
             );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM));
 
-    int nBlocks = params[0].get_int();
+    int nBlocks = request.params[0].get_int();
     if (nBlocks < 1)
         nBlocks = 1;
 
@@ -805,9 +805,9 @@ UniValue estimatefee(const UniValue& params, bool fHelp)
     return ValueFromAmount(feeRate.GetFeePerK());
 }
 
-UniValue estimatepriority(const UniValue& params, bool fHelp)
+UniValue estimatepriority(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "estimatepriority nblocks\n"
             "\nEstimates the approximate priority a zero-fee transaction needs to begin\n"
@@ -823,18 +823,18 @@ UniValue estimatepriority(const UniValue& params, bool fHelp)
             + HelpExampleCli("estimatepriority", "6")
             );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM));
 
-    int nBlocks = params[0].get_int();
+    int nBlocks = request.params[0].get_int();
     if (nBlocks < 1)
         nBlocks = 1;
 
     return mempool.estimatePriority(nBlocks);
 }
 
-UniValue estimatesmartfee(const UniValue& params, bool fHelp)
+UniValue estimatesmartfee(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "estimatesmartfee nblocks\n"
             "\nWARNING: This interface is unstable and may disappear or change!\n"
@@ -856,9 +856,9 @@ UniValue estimatesmartfee(const UniValue& params, bool fHelp)
             + HelpExampleCli("estimatesmartfee", "6")
             );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM));
 
-    int nBlocks = params[0].get_int();
+    int nBlocks = request.params[0].get_int();
 
     UniValue result(UniValue::VOBJ);
     int answerFound;
@@ -868,9 +868,9 @@ UniValue estimatesmartfee(const UniValue& params, bool fHelp)
     return result;
 }
 
-UniValue estimatesmartpriority(const UniValue& params, bool fHelp)
+UniValue estimatesmartpriority(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "estimatesmartpriority nblocks\n"
             "\nWARNING: This interface is unstable and may disappear or change!\n"
@@ -892,9 +892,9 @@ UniValue estimatesmartpriority(const UniValue& params, bool fHelp)
             + HelpExampleCli("estimatesmartpriority", "6")
             );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM));
 
-    int nBlocks = params[0].get_int();
+    int nBlocks = request.params[0].get_int();
 
     UniValue result(UniValue::VOBJ);
     int answerFound;
diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index 6bbb3925d..eaef4856b 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -39,9 +39,9 @@ using namespace std;
  *
  * Or alternatively, create a specific query method for the information.
  **/
-UniValue getinfo(const UniValue& params, bool fHelp)
+UniValue getinfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getinfo\n"
             "\nDEPRECATED. Returns an object containing various state info.\n"
@@ -148,9 +148,9 @@ public:
 };
 #endif
 
-UniValue validateaddress(const UniValue& params, bool fHelp)
+UniValue validateaddress(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "validateaddress \"bitcoinaddress\"\n"
             "\nReturn information about the given bitcoin address.\n"
@@ -181,7 +181,7 @@ UniValue validateaddress(const UniValue& params, bool fHelp)
     LOCK(cs_main);
 #endif
 
-    CBitcoinAddress address(params[0].get_str());
+    CBitcoinAddress address(request.params[0].get_str());
     bool isValid = address.IsValid();
 
     UniValue ret(UniValue::VOBJ);
@@ -278,9 +278,9 @@ CScript _createmultisig_redeemScript(const UniValue& params)
     return result;
 }
 
-UniValue createmultisig(const UniValue& params, bool fHelp)
+UniValue createmultisig(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 2 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 2 || request.params.size() > 2)
     {
         string msg = "createmultisig nrequired [\"key\",...]\n"
             "\nCreates a multi-signature address with n signature of m keys required.\n"
@@ -310,7 +310,7 @@ UniValue createmultisig(const UniValue& params, bool fHelp)
     }
 
     // Construct using pay-to-script-hash:
-    CScript inner = _createmultisig_redeemScript(params);
+    CScript inner = _createmultisig_redeemScript(request.params);
     CScriptID innerID(inner);
     CBitcoinAddress address(innerID);
 
@@ -321,9 +321,9 @@ UniValue createmultisig(const UniValue& params, bool fHelp)
     return result;
 }
 
-UniValue verifymessage(const UniValue& params, bool fHelp)
+UniValue verifymessage(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 3)
+    if (request.fHelp || request.params.size() != 3)
         throw runtime_error(
             "verifymessage \"bitcoinaddress\" \"signature\" \"message\"\n"
             "\nVerify a signed message\n"
@@ -346,9 +346,9 @@ UniValue verifymessage(const UniValue& params, bool fHelp)
 
     LOCK(cs_main);
 
-    string strAddress  = params[0].get_str();
-    string strSign     = params[1].get_str();
-    string strMessage  = params[2].get_str();
+    string strAddress  = request.params[0].get_str();
+    string strSign     = request.params[1].get_str();
+    string strMessage  = request.params[2].get_str();
 
     CBitcoinAddress addr(strAddress);
     if (!addr.IsValid())
@@ -375,9 +375,9 @@ UniValue verifymessage(const UniValue& params, bool fHelp)
     return (pubkey.GetID() == keyID);
 }
 
-UniValue signmessagewithprivkey(const UniValue& params, bool fHelp)
+UniValue signmessagewithprivkey(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 2)
+    if (request.fHelp || request.params.size() != 2)
         throw runtime_error(
             "signmessagewithprivkey \"privkey\" \"message\"\n"
             "\nSign a message with the private key of an address\n"
@@ -395,8 +395,8 @@ UniValue signmessagewithprivkey(const UniValue& params, bool fHelp)
             + HelpExampleRpc("signmessagewithprivkey", "\"privkey\", \"my message\"")
         );
 
-    string strPrivkey = params[0].get_str();
-    string strMessage = params[1].get_str();
+    string strPrivkey = request.params[0].get_str();
+    string strMessage = request.params[1].get_str();
 
     CBitcoinSecret vchSecret;
     bool fGood = vchSecret.SetString(strPrivkey);
@@ -417,9 +417,9 @@ UniValue signmessagewithprivkey(const UniValue& params, bool fHelp)
     return EncodeBase64(&vchSig[0], vchSig.size());
 }
 
-UniValue setmocktime(const UniValue& params, bool fHelp)
+UniValue setmocktime(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "setmocktime timestamp\n"
             "\nSet the local time to given timestamp (-regtest only)\n"
@@ -437,8 +437,8 @@ UniValue setmocktime(const UniValue& params, bool fHelp)
     // in a long time.
     LOCK(cs_main);
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM));
-    SetMockTime(params[0].get_int64());
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM));
+    SetMockTime(request.params[0].get_int64());
 
     uint64_t t = GetTime();
     if(g_connman) {
diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp
index a8442d869..2b43f08f0 100644
--- a/src/rpc/net.cpp
+++ b/src/rpc/net.cpp
@@ -23,9 +23,9 @@
 
 using namespace std;
 
-UniValue getconnectioncount(const UniValue& params, bool fHelp)
+UniValue getconnectioncount(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getconnectioncount\n"
             "\nReturns the number of connections to other nodes.\n"
@@ -42,9 +42,9 @@ UniValue getconnectioncount(const UniValue& params, bool fHelp)
     return (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL);
 }
 
-UniValue ping(const UniValue& params, bool fHelp)
+UniValue ping(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "ping\n"
             "\nRequests that a ping be sent to all other nodes, to measure ping time.\n"
@@ -65,9 +65,9 @@ UniValue ping(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue getpeerinfo(const UniValue& params, bool fHelp)
+UniValue getpeerinfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getpeerinfo\n"
             "\nReturns data about each connected network node as a json array of objects.\n"
@@ -184,12 +184,12 @@ UniValue getpeerinfo(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue addnode(const UniValue& params, bool fHelp)
+UniValue addnode(const JSONRPCRequest& request)
 {
     string strCommand;
-    if (params.size() == 2)
-        strCommand = params[1].get_str();
-    if (fHelp || params.size() != 2 ||
+    if (request.params.size() == 2)
+        strCommand = request.params[1].get_str();
+    if (request.fHelp || request.params.size() != 2 ||
         (strCommand != "onetry" && strCommand != "add" && strCommand != "remove"))
         throw runtime_error(
             "addnode \"node\" \"add|remove|onetry\"\n"
@@ -206,7 +206,7 @@ UniValue addnode(const UniValue& params, bool fHelp)
     if(!g_connman)
         throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
 
-    string strNode = params[0].get_str();
+    string strNode = request.params[0].get_str();
 
     if (strCommand == "onetry")
     {
@@ -229,9 +229,9 @@ UniValue addnode(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue disconnectnode(const UniValue& params, bool fHelp)
+UniValue disconnectnode(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "disconnectnode \"node\" \n"
             "\nImmediately disconnects from the specified node.\n"
@@ -245,16 +245,16 @@ UniValue disconnectnode(const UniValue& params, bool fHelp)
     if(!g_connman)
         throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
 
-    bool ret = g_connman->DisconnectNode(params[0].get_str());
+    bool ret = g_connman->DisconnectNode(request.params[0].get_str());
     if (!ret)
         throw JSONRPCError(RPC_CLIENT_NODE_NOT_CONNECTED, "Node not found in connected nodes");
 
     return NullUniValue;
 }
 
-UniValue getaddednodeinfo(const UniValue& params, bool fHelp)
+UniValue getaddednodeinfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() > 1)
+    if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "getaddednodeinfo ( \"node\" )\n"
             "\nReturns information about the given added node, or all added nodes\n"
@@ -286,10 +286,10 @@ UniValue getaddednodeinfo(const UniValue& params, bool fHelp)
 
     std::vector<AddedNodeInfo> vInfo = g_connman->GetAddedNodeInfo();
 
-    if (params.size() == 1) {
+    if (request.params.size() == 1) {
         bool found = false;
         for (const AddedNodeInfo& info : vInfo) {
-            if (info.strAddedNode == params[0].get_str()) {
+            if (info.strAddedNode == request.params[0].get_str()) {
                 vInfo.assign(1, info);
                 found = true;
                 break;
@@ -320,9 +320,9 @@ UniValue getaddednodeinfo(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue getnettotals(const UniValue& params, bool fHelp)
+UniValue getnettotals(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() > 0)
+    if (request.fHelp || request.params.size() > 0)
         throw runtime_error(
             "getnettotals\n"
             "\nReturns information about network traffic, including bytes in, bytes out,\n"
@@ -386,9 +386,9 @@ static UniValue GetNetworksInfo()
     return networks;
 }
 
-UniValue getnetworkinfo(const UniValue& params, bool fHelp)
+UniValue getnetworkinfo(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getnetworkinfo\n"
             "Returns an object containing various state info regarding P2P networking.\n"
@@ -456,12 +456,12 @@ UniValue getnetworkinfo(const UniValue& params, bool fHelp)
     return obj;
 }
 
-UniValue setban(const UniValue& params, bool fHelp)
+UniValue setban(const JSONRPCRequest& request)
 {
     string strCommand;
-    if (params.size() >= 2)
-        strCommand = params[1].get_str();
-    if (fHelp || params.size() < 2 ||
+    if (request.params.size() >= 2)
+        strCommand = request.params[1].get_str();
+    if (request.fHelp || request.params.size() < 2 ||
         (strCommand != "add" && strCommand != "remove"))
         throw runtime_error(
                             "setban \"ip(/netmask)\" \"add|remove\" (bantime) (absolute)\n"
@@ -483,16 +483,16 @@ UniValue setban(const UniValue& params, bool fHelp)
     CNetAddr netAddr;
     bool isSubnet = false;
 
-    if (params[0].get_str().find("/") != string::npos)
+    if (request.params[0].get_str().find("/") != string::npos)
         isSubnet = true;
 
     if (!isSubnet) {
         CNetAddr resolved;
-        LookupHost(params[0].get_str().c_str(), resolved, false);
+        LookupHost(request.params[0].get_str().c_str(), resolved, false);
         netAddr = resolved;
     }
     else
-        LookupSubNet(params[0].get_str().c_str(), subNet);
+        LookupSubNet(request.params[0].get_str().c_str(), subNet);
 
     if (! (isSubnet ? subNet.IsValid() : netAddr.IsValid()) )
         throw JSONRPCError(RPC_CLIENT_NODE_ALREADY_ADDED, "Error: Invalid IP/Subnet");
@@ -503,11 +503,11 @@ UniValue setban(const UniValue& params, bool fHelp)
             throw JSONRPCError(RPC_CLIENT_NODE_ALREADY_ADDED, "Error: IP/Subnet already banned");
 
         int64_t banTime = 0; //use standard bantime if not specified
-        if (params.size() >= 3 && !params[2].isNull())
-            banTime = params[2].get_int64();
+        if (request.params.size() >= 3 && !request.params[2].isNull())
+            banTime = request.params[2].get_int64();
 
         bool absolute = false;
-        if (params.size() == 4 && params[3].isTrue())
+        if (request.params.size() == 4 && request.params[3].isTrue())
             absolute = true;
 
         isSubnet ? g_connman->Ban(subNet, BanReasonManuallyAdded, banTime, absolute) : g_connman->Ban(netAddr, BanReasonManuallyAdded, banTime, absolute);
@@ -520,9 +520,9 @@ UniValue setban(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue listbanned(const UniValue& params, bool fHelp)
+UniValue listbanned(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
                             "listbanned\n"
                             "\nList all banned IPs/Subnets.\n"
@@ -553,9 +553,9 @@ UniValue listbanned(const UniValue& params, bool fHelp)
     return bannedAddresses;
 }
 
-UniValue clearbanned(const UniValue& params, bool fHelp)
+UniValue clearbanned(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
                             "clearbanned\n"
                             "\nClear all banned IPs.\n"
diff --git a/src/rpc/protocol.cpp b/src/rpc/protocol.cpp
index bb885bb5a..ec186f4fc 100644
--- a/src/rpc/protocol.cpp
+++ b/src/rpc/protocol.cpp
@@ -26,13 +26,13 @@ using namespace std;
  * 1.2 spec: http://jsonrpc.org/historical/json-rpc-over-http.html
  */
 
-string JSONRPCRequest(const string& strMethod, const UniValue& params, const UniValue& id)
+UniValue JSONRPCRequestObj(const string& strMethod, const UniValue& params, const UniValue& id)
 {
     UniValue request(UniValue::VOBJ);
     request.push_back(Pair("method", strMethod));
     request.push_back(Pair("params", params));
     request.push_back(Pair("id", id));
-    return request.write() + "\n";
+    return request;
 }
 
 UniValue JSONRPCReplyObj(const UniValue& result, const UniValue& error, const UniValue& id)
diff --git a/src/rpc/protocol.h b/src/rpc/protocol.h
index 1d2ef0e41..c74fa0070 100644
--- a/src/rpc/protocol.h
+++ b/src/rpc/protocol.h
@@ -77,7 +77,7 @@ enum RPCErrorCode
     RPC_WALLET_ALREADY_UNLOCKED     = -17, //!< Wallet is already unlocked
 };
 
-std::string JSONRPCRequest(const std::string& strMethod, const UniValue& params, const UniValue& id);
+UniValue JSONRPCRequestObj(const std::string& strMethod, const UniValue& params, const UniValue& id);
 UniValue JSONRPCReplyObj(const UniValue& result, const UniValue& error, const UniValue& id);
 std::string JSONRPCReply(const UniValue& result, const UniValue& error, const UniValue& id);
 UniValue JSONRPCError(int code, const std::string& message);
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 2ea65b8e9..0656a6175 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -126,9 +126,9 @@ void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry)
     }
 }
 
-UniValue getrawtransaction(const UniValue& params, bool fHelp)
+UniValue getrawtransaction(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "getrawtransaction \"txid\" ( verbose )\n"
             "\nNOTE: By default this function only works sometimes. This is when the tx is in the mempool\n"
@@ -198,11 +198,11 @@ UniValue getrawtransaction(const UniValue& params, bool fHelp)
 
     LOCK(cs_main);
 
-    uint256 hash = ParseHashV(params[0], "parameter 1");
+    uint256 hash = ParseHashV(request.params[0], "parameter 1");
 
     bool fVerbose = false;
-    if (params.size() > 1)
-        fVerbose = (params[1].get_int() != 0);
+    if (request.params.size() > 1)
+        fVerbose = (request.params[1].get_int() != 0);
 
     CTransaction tx;
     uint256 hashBlock;
@@ -220,9 +220,9 @@ UniValue getrawtransaction(const UniValue& params, bool fHelp)
     return result;
 }
 
-UniValue gettxoutproof(const UniValue& params, bool fHelp)
+UniValue gettxoutproof(const JSONRPCRequest& request)
 {
-    if (fHelp || (params.size() != 1 && params.size() != 2))
+    if (request.fHelp || (request.params.size() != 1 && request.params.size() != 2))
         throw runtime_error(
             "gettxoutproof [\"txid\",...] ( blockhash )\n"
             "\nReturns a hex-encoded proof that \"txid\" was included in a block.\n"
@@ -244,7 +244,7 @@ UniValue gettxoutproof(const UniValue& params, bool fHelp)
 
     set<uint256> setTxids;
     uint256 oneTxid;
-    UniValue txids = params[0].get_array();
+    UniValue txids = request.params[0].get_array();
     for (unsigned int idx = 0; idx < txids.size(); idx++) {
         const UniValue& txid = txids[idx];
         if (txid.get_str().length() != 64 || !IsHex(txid.get_str()))
@@ -261,9 +261,9 @@ UniValue gettxoutproof(const UniValue& params, bool fHelp)
     CBlockIndex* pblockindex = NULL;
 
     uint256 hashBlock;
-    if (params.size() > 1)
+    if (request.params.size() > 1)
     {
-        hashBlock = uint256S(params[1].get_str());
+        hashBlock = uint256S(request.params[1].get_str());
         if (!mapBlockIndex.count(hashBlock))
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
         pblockindex = mapBlockIndex[hashBlock];
@@ -301,9 +301,9 @@ UniValue gettxoutproof(const UniValue& params, bool fHelp)
     return strHex;
 }
 
-UniValue verifytxoutproof(const UniValue& params, bool fHelp)
+UniValue verifytxoutproof(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "verifytxoutproof \"proof\"\n"
             "\nVerifies that a proof points to a transaction in a block, returning the transaction it commits to\n"
@@ -314,7 +314,7 @@ UniValue verifytxoutproof(const UniValue& params, bool fHelp)
             "[\"txid\"]      (array, strings) The txid(s) which the proof commits to, or empty array if the proof is invalid\n"
         );
 
-    CDataStream ssMB(ParseHexV(params[0], "proof"), SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS);
+    CDataStream ssMB(ParseHexV(request.params[0], "proof"), SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS);
     CMerkleBlock merkleBlock;
     ssMB >> merkleBlock;
 
@@ -335,9 +335,9 @@ UniValue verifytxoutproof(const UniValue& params, bool fHelp)
     return res;
 }
 
-UniValue createrawtransaction(const UniValue& params, bool fHelp)
+UniValue createrawtransaction(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 2 || params.size() > 3)
+    if (request.fHelp || request.params.size() < 2 || request.params.size() > 3)
         throw runtime_error(
             "createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...} ( locktime )\n"
             "\nCreate a transaction spending the given inputs and creating new outputs.\n"
@@ -373,17 +373,17 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
             + HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"data\\\":\\\"00010203\\\"}\"")
         );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)(UniValue::VNUM), true);
-    if (params[0].isNull() || params[1].isNull())
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)(UniValue::VNUM), true);
+    if (request.params[0].isNull() || request.params[1].isNull())
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, arguments 1 and 2 must be non-null");
 
-    UniValue inputs = params[0].get_array();
-    UniValue sendTo = params[1].get_obj();
+    UniValue inputs = request.params[0].get_array();
+    UniValue sendTo = request.params[1].get_obj();
 
     CMutableTransaction rawTx;
 
-    if (params.size() > 2 && !params[2].isNull()) {
-        int64_t nLockTime = params[2].get_int64();
+    if (request.params.size() > 2 && !request.params[2].isNull()) {
+        int64_t nLockTime = request.params[2].get_int64();
         if (nLockTime < 0 || nLockTime > std::numeric_limits<uint32_t>::max())
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, locktime out of range");
         rawTx.nLockTime = nLockTime;
@@ -448,9 +448,9 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
     return EncodeHexTx(rawTx);
 }
 
-UniValue decoderawtransaction(const UniValue& params, bool fHelp)
+UniValue decoderawtransaction(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "decoderawtransaction \"hexstring\"\n"
             "\nReturn a JSON object representing the serialized, hex-encoded transaction.\n"
@@ -504,11 +504,11 @@ UniValue decoderawtransaction(const UniValue& params, bool fHelp)
         );
 
     LOCK(cs_main);
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR));
 
     CTransaction tx;
 
-    if (!DecodeHexTx(tx, params[0].get_str(), true))
+    if (!DecodeHexTx(tx, request.params[0].get_str(), true))
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
 
     UniValue result(UniValue::VOBJ);
@@ -517,9 +517,9 @@ UniValue decoderawtransaction(const UniValue& params, bool fHelp)
     return result;
 }
 
-UniValue decodescript(const UniValue& params, bool fHelp)
+UniValue decodescript(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "decodescript \"hex\"\n"
             "\nDecode a hex-encoded script.\n"
@@ -542,12 +542,12 @@ UniValue decodescript(const UniValue& params, bool fHelp)
             + HelpExampleRpc("decodescript", "\"hexstring\"")
         );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR));
 
     UniValue r(UniValue::VOBJ);
     CScript script;
-    if (params[0].get_str().size() > 0){
-        vector<unsigned char> scriptData(ParseHexV(params[0], "argument"));
+    if (request.params[0].get_str().size() > 0){
+        vector<unsigned char> scriptData(ParseHexV(request.params[0], "argument"));
         script = CScript(scriptData.begin(), scriptData.end());
     } else {
         // Empty scripts are valid
@@ -578,9 +578,9 @@ static void TxInErrorToJSON(const CTxIn& txin, UniValue& vErrorsRet, const std::
     vErrorsRet.push_back(entry);
 }
 
-UniValue signrawtransaction(const UniValue& params, bool fHelp)
+UniValue signrawtransaction(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 4)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 4)
         throw runtime_error(
             "signrawtransaction \"hexstring\" ( [{\"txid\":\"id\",\"vout\":n,\"scriptPubKey\":\"hex\",\"redeemScript\":\"hex\"},...] [\"privatekey1\",...] sighashtype )\n"
             "\nSign inputs for raw transaction (serialized, hex-encoded).\n"
@@ -644,9 +644,9 @@ UniValue signrawtransaction(const UniValue& params, bool fHelp)
 #else
     LOCK(cs_main);
 #endif
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)(UniValue::VARR)(UniValue::VARR)(UniValue::VSTR), true);
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VARR)(UniValue::VARR)(UniValue::VSTR), true);
 
-    vector<unsigned char> txData(ParseHexV(params[0], "argument 1"));
+    vector<unsigned char> txData(ParseHexV(request.params[0], "argument 1"));
     CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
     vector<CMutableTransaction> txVariants;
     while (!ssData.empty()) {
@@ -687,9 +687,9 @@ UniValue signrawtransaction(const UniValue& params, bool fHelp)
 
     bool fGivenKeys = false;
     CBasicKeyStore tempKeystore;
-    if (params.size() > 2 && !params[2].isNull()) {
+    if (request.params.size() > 2 && !request.params[2].isNull()) {
         fGivenKeys = true;
-        UniValue keys = params[2].get_array();
+        UniValue keys = request.params[2].get_array();
         for (unsigned int idx = 0; idx < keys.size(); idx++) {
             UniValue k = keys[idx];
             CBitcoinSecret vchSecret;
@@ -708,8 +708,8 @@ UniValue signrawtransaction(const UniValue& params, bool fHelp)
 #endif
 
     // Add previous txouts given in the RPC call:
-    if (params.size() > 1 && !params[1].isNull()) {
-        UniValue prevTxs = params[1].get_array();
+    if (request.params.size() > 1 && !request.params[1].isNull()) {
+        UniValue prevTxs = request.params[1].get_array();
         for (unsigned int idx = 0; idx < prevTxs.size(); idx++) {
             const UniValue& p = prevTxs[idx];
             if (!p.isObject())
@@ -777,7 +777,7 @@ UniValue signrawtransaction(const UniValue& params, bool fHelp)
 #endif
 
     int nHashType = SIGHASH_ALL;
-    if (params.size() > 3 && !params[3].isNull()) {
+    if (request.params.size() > 3 && !request.params[3].isNull()) {
         static map<string, int> mapSigHashValues =
             boost::assign::map_list_of
             (string("ALL"), int(SIGHASH_ALL))
@@ -787,7 +787,7 @@ UniValue signrawtransaction(const UniValue& params, bool fHelp)
             (string("SINGLE"), int(SIGHASH_SINGLE))
             (string("SINGLE|ANYONECANPAY"), int(SIGHASH_SINGLE|SIGHASH_ANYONECANPAY))
             ;
-        string strHashType = params[3].get_str();
+        string strHashType = request.params[3].get_str();
         if (mapSigHashValues.count(strHashType))
             nHashType = mapSigHashValues[strHashType];
         else
@@ -842,9 +842,9 @@ UniValue signrawtransaction(const UniValue& params, bool fHelp)
     return result;
 }
 
-UniValue sendrawtransaction(const UniValue& params, bool fHelp)
+UniValue sendrawtransaction(const JSONRPCRequest& request)
 {
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "sendrawtransaction \"hexstring\" ( allowhighfees )\n"
             "\nSubmits raw transaction (serialized, hex-encoded) to local node and network.\n"
@@ -866,17 +866,17 @@ UniValue sendrawtransaction(const UniValue& params, bool fHelp)
         );
 
     LOCK(cs_main);
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)(UniValue::VBOOL));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VBOOL));
 
     // parse hex string from parameter
     CTransaction tx;
-    if (!DecodeHexTx(tx, params[0].get_str()))
+    if (!DecodeHexTx(tx, request.params[0].get_str()))
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     uint256 hashTx = tx.GetHash();
 
     bool fLimitFree = false;
     CAmount nMaxRawTxFee = maxTxFee;
-    if (params.size() > 1 && params[1].get_bool())
+    if (request.params.size() > 1 && request.params[1].get_bool())
         nMaxRawTxFee = 0;
 
     CCoinsViewCache &view = *pcoinsTip;
diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
index 5fb97f749..29d0bee1b 100644
--- a/src/rpc/server.cpp
+++ b/src/rpc/server.cpp
@@ -195,10 +195,11 @@ std::string CRPCTable::help(const std::string& strCommand) const
             continue;
         try
         {
-            UniValue params;
+            JSONRPCRequest jreq;
+            jreq.fHelp = true;
             rpcfn_type pfn = pcmd->actor;
             if (setDone.insert(pfn).second)
-                (*pfn)(params, true);
+                (*pfn)(jreq);
         }
         catch (const std::exception& e)
         {
@@ -228,9 +229,9 @@ std::string CRPCTable::help(const std::string& strCommand) const
     return strRet;
 }
 
-UniValue help(const UniValue& params, bool fHelp)
+UniValue help(const JSONRPCRequest& jsonRequest)
 {
-    if (fHelp || params.size() > 1)
+    if (jsonRequest.fHelp || jsonRequest.params.size() > 1)
         throw runtime_error(
             "help ( \"command\" )\n"
             "\nList all commands, or get help for a specified command.\n"
@@ -241,17 +242,17 @@ UniValue help(const UniValue& params, bool fHelp)
         );
 
     string strCommand;
-    if (params.size() > 0)
-        strCommand = params[0].get_str();
+    if (jsonRequest.params.size() > 0)
+        strCommand = jsonRequest.params[0].get_str();
 
     return tableRPC.help(strCommand);
 }
 
 
-UniValue stop(const UniValue& params, bool fHelp)
+UniValue stop(const JSONRPCRequest& jsonRequest)
 {
     // Accept the deprecated and ignored 'detach' boolean argument
-    if (fHelp || params.size() > 1)
+    if (jsonRequest.fHelp || jsonRequest.params.size() > 1)
         throw runtime_error(
             "stop\n"
             "\nStop Bitcoin server.");
@@ -354,7 +355,7 @@ bool RPCIsInWarmup(std::string *outStatus)
     return fRPCInWarmup;
 }
 
-void JSONRequest::parse(const UniValue& valRequest)
+void JSONRPCRequest::parse(const UniValue& valRequest)
 {
     // Parse request
     if (!valRequest.isObject())
@@ -388,11 +389,11 @@ static UniValue JSONRPCExecOne(const UniValue& req)
 {
     UniValue rpc_result(UniValue::VOBJ);
 
-    JSONRequest jreq;
+    JSONRPCRequest jreq;
     try {
         jreq.parse(req);
 
-        UniValue result = tableRPC.execute(jreq.strMethod, jreq.params);
+        UniValue result = tableRPC.execute(jreq);
         rpc_result = JSONRPCReplyObj(result, NullUniValue, jreq.id);
     }
     catch (const UniValue& objError)
@@ -417,7 +418,7 @@ std::string JSONRPCExecBatch(const UniValue& vReq)
     return ret.write() + "\n";
 }
 
-UniValue CRPCTable::execute(const std::string &strMethod, const UniValue &params) const
+UniValue CRPCTable::execute(const JSONRPCRequest &request) const
 {
     // Return immediately if in warmup
     {
@@ -427,7 +428,7 @@ UniValue CRPCTable::execute(const std::string &strMethod, const UniValue &params
     }
 
     // Find method
-    const CRPCCommand *pcmd = tableRPC[strMethod];
+    const CRPCCommand *pcmd = tableRPC[request.strMethod];
     if (!pcmd)
         throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found");
 
@@ -436,7 +437,7 @@ UniValue CRPCTable::execute(const std::string &strMethod, const UniValue &params
     try
     {
         // Execute
-        return pcmd->actor(params, false);
+        return pcmd->actor(request);
     }
     catch (const std::exception& e)
     {
diff --git a/src/rpc/server.h b/src/rpc/server.h
index 4e0aa2c6d..c59886222 100644
--- a/src/rpc/server.h
+++ b/src/rpc/server.h
@@ -41,14 +41,17 @@ struct UniValueType {
     UniValue::VType type;
 };
 
-class JSONRequest
+class JSONRPCRequest
 {
 public:
     UniValue id;
     std::string strMethod;
     UniValue params;
+    bool fHelp;
+    std::string URI;
+    std::string authUser;
 
-    JSONRequest() { id = NullUniValue; }
+    JSONRPCRequest() { id = NullUniValue; params = NullUniValue; fHelp = false; }
     void parse(const UniValue& valRequest);
 };
 
@@ -122,7 +125,7 @@ void RPCUnsetTimerInterface(RPCTimerInterface *iface);
  */
 void RPCRunLater(const std::string& name, boost::function<void(void)> func, int64_t nSeconds);
 
-typedef UniValue(*rpcfn_type)(const UniValue& params, bool fHelp);
+typedef UniValue(*rpcfn_type)(const JSONRPCRequest& jsonRequest);
 
 class CRPCCommand
 {
@@ -147,12 +150,11 @@ public:
 
     /**
      * Execute a method.
-     * @param method   Method to execute
-     * @param params   UniValue Array of arguments (JSON objects)
+     * @param request The JSONRPCRequest to execute
      * @returns Result of the call.
      * @throws an exception (UniValue) when an error happens.
      */
-    UniValue execute(const std::string &method, const UniValue &params) const;
+    UniValue execute(const JSONRPCRequest &request) const;
 
     /**
     * Returns a list of registered commands
diff --git a/src/test/rpc_tests.cpp b/src/test/rpc_tests.cpp
index a15915aad..a3d1a2558 100644
--- a/src/test/rpc_tests.cpp
+++ b/src/test/rpc_tests.cpp
@@ -24,11 +24,14 @@ UniValue CallRPC(string args)
     boost::split(vArgs, args, boost::is_any_of(" \t"));
     string strMethod = vArgs[0];
     vArgs.erase(vArgs.begin());
-    UniValue params = RPCConvertValues(strMethod, vArgs);
+    JSONRPCRequest request;
+    request.strMethod = strMethod;
+    request.params = RPCConvertValues(strMethod, vArgs);
+    request.fHelp = false;
     BOOST_CHECK(tableRPC[strMethod]);
     rpcfn_type method = tableRPC[strMethod]->actor;
     try {
-        UniValue result = (*method)(params, false);
+        UniValue result = (*method)(request);
         return result;
     }
     catch (const UniValue& objError) {
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index e80fa7dff..8a1bbd568 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -74,12 +74,12 @@ std::string DecodeDumpString(const std::string &str) {
     return ret.str();
 }
 
-UniValue importprivkey(const UniValue& params, bool fHelp)
+UniValue importprivkey(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
     
-    if (fHelp || params.size() < 1 || params.size() > 3)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 3)
         throw runtime_error(
             "importprivkey \"bitcoinprivkey\" ( \"label\" rescan )\n"
             "\nAdds a private key (as returned by dumpprivkey) to your wallet.\n"
@@ -104,15 +104,15 @@ UniValue importprivkey(const UniValue& params, bool fHelp)
 
     EnsureWalletIsUnlocked();
 
-    string strSecret = params[0].get_str();
+    string strSecret = request.params[0].get_str();
     string strLabel = "";
-    if (params.size() > 1)
-        strLabel = params[1].get_str();
+    if (request.params.size() > 1)
+        strLabel = request.params[1].get_str();
 
     // Whether to perform rescan after import
     bool fRescan = true;
-    if (params.size() > 2)
-        fRescan = params[2].get_bool();
+    if (request.params.size() > 2)
+        fRescan = request.params[2].get_bool();
 
     if (fRescan && fPruneMode)
         throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
@@ -184,12 +184,12 @@ void ImportAddress(const CBitcoinAddress& address, const string& strLabel)
         pwalletMain->SetAddressBook(address.Get(), strLabel, "receive");
 }
 
-UniValue importaddress(const UniValue& params, bool fHelp)
+UniValue importaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
     
-    if (fHelp || params.size() < 1 || params.size() > 4)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 4)
         throw runtime_error(
             "importaddress \"address\" ( \"label\" rescan p2sh )\n"
             "\nAdds a script (in hex) or address that can be watched as if it were in your wallet but cannot be used to spend.\n"
@@ -213,31 +213,31 @@ UniValue importaddress(const UniValue& params, bool fHelp)
 
 
     string strLabel = "";
-    if (params.size() > 1)
-        strLabel = params[1].get_str();
+    if (request.params.size() > 1)
+        strLabel = request.params[1].get_str();
 
     // Whether to perform rescan after import
     bool fRescan = true;
-    if (params.size() > 2)
-        fRescan = params[2].get_bool();
+    if (request.params.size() > 2)
+        fRescan = request.params[2].get_bool();
 
     if (fRescan && fPruneMode)
         throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
 
     // Whether to import a p2sh version, too
     bool fP2SH = false;
-    if (params.size() > 3)
-        fP2SH = params[3].get_bool();
+    if (request.params.size() > 3)
+        fP2SH = request.params[3].get_bool();
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    CBitcoinAddress address(params[0].get_str());
+    CBitcoinAddress address(request.params[0].get_str());
     if (address.IsValid()) {
         if (fP2SH)
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Cannot use the p2sh flag with an address - use a script instead");
         ImportAddress(address, strLabel);
-    } else if (IsHex(params[0].get_str())) {
-        std::vector<unsigned char> data(ParseHex(params[0].get_str()));
+    } else if (IsHex(request.params[0].get_str())) {
+        std::vector<unsigned char> data(ParseHex(request.params[0].get_str()));
         ImportScript(CScript(data.begin(), data.end()), strLabel, fP2SH);
     } else {
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address or script");
@@ -252,12 +252,12 @@ UniValue importaddress(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue importprunedfunds(const UniValue& params, bool fHelp)
+UniValue importprunedfunds(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 2)
+    if (request.fHelp || request.params.size() != 2)
         throw runtime_error(
             "importprunedfunds\n"
             "\nImports funds without rescan. Corresponding address or script must previously be included in wallet. Aimed towards pruned wallets. The end-user is responsible to import additional transactions that subsequently spend the imported outputs or rescan after the point in the blockchain the transaction is included.\n"
@@ -267,12 +267,12 @@ UniValue importprunedfunds(const UniValue& params, bool fHelp)
         );
 
     CTransaction tx;
-    if (!DecodeHexTx(tx, params[0].get_str()))
+    if (!DecodeHexTx(tx, request.params[0].get_str()))
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     uint256 hashTx = tx.GetHash();
     CWalletTx wtx(pwalletMain,tx);
 
-    CDataStream ssMB(ParseHexV(params[1], "proof"), SER_NETWORK, PROTOCOL_VERSION);
+    CDataStream ssMB(ParseHexV(request.params[1], "proof"), SER_NETWORK, PROTOCOL_VERSION);
     CMerkleBlock merkleBlock;
     ssMB >> merkleBlock;
 
@@ -311,12 +311,12 @@ UniValue importprunedfunds(const UniValue& params, bool fHelp)
     throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No addresses in wallet correspond to included transaction");
 }
 
-UniValue removeprunedfunds(const UniValue& params, bool fHelp)
+UniValue removeprunedfunds(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "removeprunedfunds \"txid\"\n"
             "\nDeletes the specified transaction from the wallet. Meant for use with pruned wallets and as a companion to importprunedfunds. This will effect wallet balances.\n"
@@ -331,7 +331,7 @@ UniValue removeprunedfunds(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     uint256 hash;
-    hash.SetHex(params[0].get_str());
+    hash.SetHex(request.params[0].get_str());
     vector<uint256> vHash;
     vHash.push_back(hash);
     vector<uint256> vHashOut;
@@ -347,12 +347,12 @@ UniValue removeprunedfunds(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue importpubkey(const UniValue& params, bool fHelp)
+UniValue importpubkey(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 4)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 4)
         throw runtime_error(
             "importpubkey \"pubkey\" ( \"label\" rescan )\n"
             "\nAdds a public key (in hex) that can be watched as if it were in your wallet but cannot be used to spend.\n"
@@ -372,20 +372,20 @@ UniValue importpubkey(const UniValue& params, bool fHelp)
 
 
     string strLabel = "";
-    if (params.size() > 1)
-        strLabel = params[1].get_str();
+    if (request.params.size() > 1)
+        strLabel = request.params[1].get_str();
 
     // Whether to perform rescan after import
     bool fRescan = true;
-    if (params.size() > 2)
-        fRescan = params[2].get_bool();
+    if (request.params.size() > 2)
+        fRescan = request.params[2].get_bool();
 
     if (fRescan && fPruneMode)
         throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
 
-    if (!IsHex(params[0].get_str()))
+    if (!IsHex(request.params[0].get_str()))
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey must be a hex string");
-    std::vector<unsigned char> data(ParseHex(params[0].get_str()));
+    std::vector<unsigned char> data(ParseHex(request.params[0].get_str()));
     CPubKey pubKey(data.begin(), data.end());
     if (!pubKey.IsFullyValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey is not a valid public key");
@@ -405,12 +405,12 @@ UniValue importpubkey(const UniValue& params, bool fHelp)
 }
 
 
-UniValue importwallet(const UniValue& params, bool fHelp)
+UniValue importwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
     
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "importwallet \"filename\"\n"
             "\nImports keys from a wallet dump file (see dumpwallet).\n"
@@ -433,7 +433,7 @@ UniValue importwallet(const UniValue& params, bool fHelp)
     EnsureWalletIsUnlocked();
 
     ifstream file;
-    file.open(params[0].get_str().c_str(), std::ios::in | std::ios::ate);
+    file.open(request.params[0].get_str().c_str(), std::ios::in | std::ios::ate);
     if (!file.is_open())
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
 
@@ -512,12 +512,12 @@ UniValue importwallet(const UniValue& params, bool fHelp)
     return NullUniValue;
 }
 
-UniValue dumpprivkey(const UniValue& params, bool fHelp)
+UniValue dumpprivkey(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
     
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "dumpprivkey \"bitcoinaddress\"\n"
             "\nReveals the private key corresponding to 'bitcoinaddress'.\n"
@@ -536,7 +536,7 @@ UniValue dumpprivkey(const UniValue& params, bool fHelp)
 
     EnsureWalletIsUnlocked();
 
-    string strAddress = params[0].get_str();
+    string strAddress = request.params[0].get_str();
     CBitcoinAddress address;
     if (!address.SetString(strAddress))
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
@@ -550,12 +550,12 @@ UniValue dumpprivkey(const UniValue& params, bool fHelp)
 }
 
 
-UniValue dumpwallet(const UniValue& params, bool fHelp)
+UniValue dumpwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
     
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "dumpwallet \"filename\"\n"
             "\nDumps all wallet keys in a human-readable format.\n"
@@ -571,7 +571,7 @@ UniValue dumpwallet(const UniValue& params, bool fHelp)
     EnsureWalletIsUnlocked();
 
     ofstream file;
-    file.open(params[0].get_str().c_str());
+    file.open(request.params[0].get_str().c_str());
     if (!file.is_open())
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
 
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 8e95426d1..33620aa6f 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -101,12 +101,12 @@ string AccountFromValue(const UniValue& value)
     return strAccount;
 }
 
-UniValue getnewaddress(const UniValue& params, bool fHelp)
+UniValue getnewaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 1)
+    if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "getnewaddress ( \"account\" )\n"
             "\nReturns a new Bitcoin address for receiving payments.\n"
@@ -125,8 +125,8 @@ UniValue getnewaddress(const UniValue& params, bool fHelp)
 
     // Parse the account first so we don't generate a key if there's an error
     string strAccount;
-    if (params.size() > 0)
-        strAccount = AccountFromValue(params[0]);
+    if (request.params.size() > 0)
+        strAccount = AccountFromValue(request.params[0]);
 
     if (!pwalletMain->IsLocked())
         pwalletMain->TopUpKeyPool();
@@ -153,12 +153,12 @@ CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
     return CBitcoinAddress(pubKey.GetID());
 }
 
-UniValue getaccountaddress(const UniValue& params, bool fHelp)
+UniValue getaccountaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "getaccountaddress \"account\"\n"
             "\nDEPRECATED. Returns the current Bitcoin address for receiving payments to this account.\n"
@@ -176,7 +176,7 @@ UniValue getaccountaddress(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     // Parse the account first so we don't generate a key if there's an error
-    string strAccount = AccountFromValue(params[0]);
+    string strAccount = AccountFromValue(request.params[0]);
 
     UniValue ret(UniValue::VSTR);
 
@@ -185,12 +185,12 @@ UniValue getaccountaddress(const UniValue& params, bool fHelp)
 }
 
 
-UniValue getrawchangeaddress(const UniValue& params, bool fHelp)
+UniValue getrawchangeaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 1)
+    if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "getrawchangeaddress\n"
             "\nReturns a new Bitcoin address, for receiving change.\n"
@@ -220,12 +220,12 @@ UniValue getrawchangeaddress(const UniValue& params, bool fHelp)
 }
 
 
-UniValue setaccount(const UniValue& params, bool fHelp)
+UniValue setaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "setaccount \"bitcoinaddress\" \"account\"\n"
             "\nDEPRECATED. Sets the account associated with the given address.\n"
@@ -239,13 +239,13 @@ UniValue setaccount(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    CBitcoinAddress address(params[0].get_str());
+    CBitcoinAddress address(request.params[0].get_str());
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
 
     string strAccount;
-    if (params.size() > 1)
-        strAccount = AccountFromValue(params[1]);
+    if (request.params.size() > 1)
+        strAccount = AccountFromValue(request.params[1]);
 
     // Only add the account if the address is yours.
     if (IsMine(*pwalletMain, address.Get()))
@@ -266,12 +266,12 @@ UniValue setaccount(const UniValue& params, bool fHelp)
 }
 
 
-UniValue getaccount(const UniValue& params, bool fHelp)
+UniValue getaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "getaccount \"bitcoinaddress\"\n"
             "\nDEPRECATED. Returns the account associated with the given address.\n"
@@ -286,7 +286,7 @@ UniValue getaccount(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    CBitcoinAddress address(params[0].get_str());
+    CBitcoinAddress address(request.params[0].get_str());
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
 
@@ -298,12 +298,12 @@ UniValue getaccount(const UniValue& params, bool fHelp)
 }
 
 
-UniValue getaddressesbyaccount(const UniValue& params, bool fHelp)
+UniValue getaddressesbyaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "getaddressesbyaccount \"account\"\n"
             "\nDEPRECATED. Returns the list of addresses for the given account.\n"
@@ -321,7 +321,7 @@ UniValue getaddressesbyaccount(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    string strAccount = AccountFromValue(params[0]);
+    string strAccount = AccountFromValue(request.params[0]);
 
     // Find all addresses that have the given account
     UniValue ret(UniValue::VARR);
@@ -369,12 +369,12 @@ static void SendMoney(const CTxDestination &address, CAmount nValue, bool fSubtr
         throw JSONRPCError(RPC_WALLET_ERROR, "Error: The transaction was rejected! This might happen if some of the coins in your wallet were already spent, such as if you used a copy of the wallet and coins were spent in the copy but not marked as spent here.");
 }
 
-UniValue sendtoaddress(const UniValue& params, bool fHelp)
+UniValue sendtoaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 2 || params.size() > 5)
+    if (request.fHelp || request.params.size() < 2 || request.params.size() > 5)
         throw runtime_error(
             "sendtoaddress \"bitcoinaddress\" amount ( \"comment\" \"comment-to\" subtractfeefromamount )\n"
             "\nSend an amount to a given address.\n"
@@ -400,25 +400,25 @@ UniValue sendtoaddress(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    CBitcoinAddress address(params[0].get_str());
+    CBitcoinAddress address(request.params[0].get_str());
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
 
     // Amount
-    CAmount nAmount = AmountFromValue(params[1]);
+    CAmount nAmount = AmountFromValue(request.params[1]);
     if (nAmount <= 0)
         throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount for send");
 
     // Wallet comments
     CWalletTx wtx;
-    if (params.size() > 2 && !params[2].isNull() && !params[2].get_str().empty())
-        wtx.mapValue["comment"] = params[2].get_str();
-    if (params.size() > 3 && !params[3].isNull() && !params[3].get_str().empty())
-        wtx.mapValue["to"]      = params[3].get_str();
+    if (request.params.size() > 2 && !request.params[2].isNull() && !request.params[2].get_str().empty())
+        wtx.mapValue["comment"] = request.params[2].get_str();
+    if (request.params.size() > 3 && !request.params[3].isNull() && !request.params[3].get_str().empty())
+        wtx.mapValue["to"]      = request.params[3].get_str();
 
     bool fSubtractFeeFromAmount = false;
-    if (params.size() > 4)
-        fSubtractFeeFromAmount = params[4].get_bool();
+    if (request.params.size() > 4)
+        fSubtractFeeFromAmount = request.params[4].get_bool();
 
     EnsureWalletIsUnlocked();
 
@@ -427,12 +427,12 @@ UniValue sendtoaddress(const UniValue& params, bool fHelp)
     return wtx.GetHash().GetHex();
 }
 
-UniValue listaddressgroupings(const UniValue& params, bool fHelp)
+UniValue listaddressgroupings(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp)
+    if (request.fHelp)
         throw runtime_error(
             "listaddressgroupings\n"
             "\nLists groups of addresses which have had their common ownership\n"
@@ -478,12 +478,12 @@ UniValue listaddressgroupings(const UniValue& params, bool fHelp)
     return jsonGroupings;
 }
 
-UniValue signmessage(const UniValue& params, bool fHelp)
+UniValue signmessage(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 2)
+    if (request.fHelp || request.params.size() != 2)
         throw runtime_error(
             "signmessage \"bitcoinaddress\" \"message\"\n"
             "\nSign a message with the private key of an address"
@@ -508,8 +508,8 @@ UniValue signmessage(const UniValue& params, bool fHelp)
 
     EnsureWalletIsUnlocked();
 
-    string strAddress = params[0].get_str();
-    string strMessage = params[1].get_str();
+    string strAddress = request.params[0].get_str();
+    string strMessage = request.params[1].get_str();
 
     CBitcoinAddress addr(strAddress);
     if (!addr.IsValid())
@@ -534,12 +534,12 @@ UniValue signmessage(const UniValue& params, bool fHelp)
     return EncodeBase64(&vchSig[0], vchSig.size());
 }
 
-UniValue getreceivedbyaddress(const UniValue& params, bool fHelp)
+UniValue getreceivedbyaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "getreceivedbyaddress \"bitcoinaddress\" ( minconf )\n"
             "\nReturns the total amount received by the given bitcoinaddress in transactions with at least minconf confirmations.\n"
@@ -562,7 +562,7 @@ UniValue getreceivedbyaddress(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     // Bitcoin address
-    CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
+    CBitcoinAddress address = CBitcoinAddress(request.params[0].get_str());
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
     CScript scriptPubKey = GetScriptForDestination(address.Get());
@@ -571,8 +571,8 @@ UniValue getreceivedbyaddress(const UniValue& params, bool fHelp)
 
     // Minimum confirmations
     int nMinDepth = 1;
-    if (params.size() > 1)
-        nMinDepth = params[1].get_int();
+    if (request.params.size() > 1)
+        nMinDepth = request.params[1].get_int();
 
     // Tally
     CAmount nAmount = 0;
@@ -592,12 +592,12 @@ UniValue getreceivedbyaddress(const UniValue& params, bool fHelp)
 }
 
 
-UniValue getreceivedbyaccount(const UniValue& params, bool fHelp)
+UniValue getreceivedbyaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "getreceivedbyaccount \"account\" ( minconf )\n"
             "\nDEPRECATED. Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.\n"
@@ -621,11 +621,11 @@ UniValue getreceivedbyaccount(const UniValue& params, bool fHelp)
 
     // Minimum confirmations
     int nMinDepth = 1;
-    if (params.size() > 1)
-        nMinDepth = params[1].get_int();
+    if (request.params.size() > 1)
+        nMinDepth = request.params[1].get_int();
 
     // Get the set of pub keys assigned to account
-    string strAccount = AccountFromValue(params[0]);
+    string strAccount = AccountFromValue(request.params[0]);
     set<CTxDestination> setAddress = pwalletMain->GetAccountAddresses(strAccount);
 
     // Tally
@@ -649,12 +649,12 @@ UniValue getreceivedbyaccount(const UniValue& params, bool fHelp)
 }
 
 
-UniValue getbalance(const UniValue& params, bool fHelp)
+UniValue getbalance(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 3)
+    if (request.fHelp || request.params.size() > 3)
         throw runtime_error(
             "getbalance ( \"account\" minconf includeWatchonly )\n"
             "\nIf account is not specified, returns the server's total available balance.\n"
@@ -678,18 +678,18 @@ UniValue getbalance(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    if (params.size() == 0)
+    if (request.params.size() == 0)
         return  ValueFromAmount(pwalletMain->GetBalance());
 
     int nMinDepth = 1;
-    if (params.size() > 1)
-        nMinDepth = params[1].get_int();
+    if (request.params.size() > 1)
+        nMinDepth = request.params[1].get_int();
     isminefilter filter = ISMINE_SPENDABLE;
-    if(params.size() > 2)
-        if(params[2].get_bool())
+    if(request.params.size() > 2)
+        if(request.params[2].get_bool())
             filter = filter | ISMINE_WATCH_ONLY;
 
-    if (params[0].get_str() == "*") {
+    if (request.params[0].get_str() == "*") {
         // Calculate total balance a different way from GetBalance()
         // (GetBalance() sums up all unspent TxOuts)
         // getbalance and "getbalance * 1 true" should return the same number
@@ -717,19 +717,19 @@ UniValue getbalance(const UniValue& params, bool fHelp)
         return  ValueFromAmount(nBalance);
     }
 
-    string strAccount = AccountFromValue(params[0]);
+    string strAccount = AccountFromValue(request.params[0]);
 
     CAmount nBalance = pwalletMain->GetAccountBalance(strAccount, nMinDepth, filter);
 
     return ValueFromAmount(nBalance);
 }
 
-UniValue getunconfirmedbalance(const UniValue &params, bool fHelp)
+UniValue getunconfirmedbalance(const JSONRPCRequest &request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 0)
+    if (request.fHelp || request.params.size() > 0)
         throw runtime_error(
                 "getunconfirmedbalance\n"
                 "Returns the server's total unconfirmed balance\n");
@@ -740,12 +740,12 @@ UniValue getunconfirmedbalance(const UniValue &params, bool fHelp)
 }
 
 
-UniValue movecmd(const UniValue& params, bool fHelp)
+UniValue movecmd(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 3 || params.size() > 5)
+    if (request.fHelp || request.params.size() < 3 || request.params.size() > 5)
         throw runtime_error(
             "move \"fromaccount\" \"toaccount\" amount ( minconf \"comment\" )\n"
             "\nDEPRECATED. Move a specified amount from one account in your wallet to another.\n"
@@ -768,17 +768,17 @@ UniValue movecmd(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    string strFrom = AccountFromValue(params[0]);
-    string strTo = AccountFromValue(params[1]);
-    CAmount nAmount = AmountFromValue(params[2]);
+    string strFrom = AccountFromValue(request.params[0]);
+    string strTo = AccountFromValue(request.params[1]);
+    CAmount nAmount = AmountFromValue(request.params[2]);
     if (nAmount <= 0)
         throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount for send");
-    if (params.size() > 3)
+    if (request.params.size() > 3)
         // unused parameter, used to be nMinDepth, keep type-checking it though
-        (void)params[3].get_int();
+        (void)request.params[3].get_int();
     string strComment;
-    if (params.size() > 4)
-        strComment = params[4].get_str();
+    if (request.params.size() > 4)
+        strComment = request.params[4].get_str();
 
     if (!pwalletMain->AccountMove(strFrom, strTo, nAmount, strComment))
         throw JSONRPCError(RPC_DATABASE_ERROR, "database error");
@@ -787,12 +787,12 @@ UniValue movecmd(const UniValue& params, bool fHelp)
 }
 
 
-UniValue sendfrom(const UniValue& params, bool fHelp)
+UniValue sendfrom(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 3 || params.size() > 6)
+    if (request.fHelp || request.params.size() < 3 || request.params.size() > 6)
         throw runtime_error(
             "sendfrom \"fromaccount\" \"tobitcoinaddress\" amount ( minconf \"comment\" \"comment-to\" )\n"
             "\nDEPRECATED (use sendtoaddress). Sent an amount from an account to a bitcoin address."
@@ -820,23 +820,23 @@ UniValue sendfrom(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    string strAccount = AccountFromValue(params[0]);
-    CBitcoinAddress address(params[1].get_str());
+    string strAccount = AccountFromValue(request.params[0]);
+    CBitcoinAddress address(request.params[1].get_str());
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
-    CAmount nAmount = AmountFromValue(params[2]);
+    CAmount nAmount = AmountFromValue(request.params[2]);
     if (nAmount <= 0)
         throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount for send");
     int nMinDepth = 1;
-    if (params.size() > 3)
-        nMinDepth = params[3].get_int();
+    if (request.params.size() > 3)
+        nMinDepth = request.params[3].get_int();
 
     CWalletTx wtx;
     wtx.strFromAccount = strAccount;
-    if (params.size() > 4 && !params[4].isNull() && !params[4].get_str().empty())
-        wtx.mapValue["comment"] = params[4].get_str();
-    if (params.size() > 5 && !params[5].isNull() && !params[5].get_str().empty())
-        wtx.mapValue["to"]      = params[5].get_str();
+    if (request.params.size() > 4 && !request.params[4].isNull() && !request.params[4].get_str().empty())
+        wtx.mapValue["comment"] = request.params[4].get_str();
+    if (request.params.size() > 5 && !request.params[5].isNull() && !request.params[5].get_str().empty())
+        wtx.mapValue["to"]      = request.params[5].get_str();
 
     EnsureWalletIsUnlocked();
 
@@ -851,12 +851,12 @@ UniValue sendfrom(const UniValue& params, bool fHelp)
 }
 
 
-UniValue sendmany(const UniValue& params, bool fHelp)
+UniValue sendmany(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 2 || params.size() > 5)
+    if (request.fHelp || request.params.size() < 2 || request.params.size() > 5)
         throw runtime_error(
             "sendmany \"fromaccount\" {\"address\":amount,...} ( minconf \"comment\" [\"address\",...] )\n"
             "\nSend multiple times. Amounts are double-precision floating point numbers."
@@ -897,20 +897,20 @@ UniValue sendmany(const UniValue& params, bool fHelp)
     if (pwalletMain->GetBroadcastTransactions() && !g_connman)
         throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
 
-    string strAccount = AccountFromValue(params[0]);
-    UniValue sendTo = params[1].get_obj();
+    string strAccount = AccountFromValue(request.params[0]);
+    UniValue sendTo = request.params[1].get_obj();
     int nMinDepth = 1;
-    if (params.size() > 2)
-        nMinDepth = params[2].get_int();
+    if (request.params.size() > 2)
+        nMinDepth = request.params[2].get_int();
 
     CWalletTx wtx;
     wtx.strFromAccount = strAccount;
-    if (params.size() > 3 && !params[3].isNull() && !params[3].get_str().empty())
-        wtx.mapValue["comment"] = params[3].get_str();
+    if (request.params.size() > 3 && !request.params[3].isNull() && !request.params[3].get_str().empty())
+        wtx.mapValue["comment"] = request.params[3].get_str();
 
     UniValue subtractFeeFromAmount(UniValue::VARR);
-    if (params.size() > 4)
-        subtractFeeFromAmount = params[4].get_array();
+    if (request.params.size() > 4)
+        subtractFeeFromAmount = request.params[4].get_array();
 
     set<CBitcoinAddress> setAddress;
     vector<CRecipient> vecSend;
@@ -968,12 +968,12 @@ UniValue sendmany(const UniValue& params, bool fHelp)
 // Defined in rpc/misc.cpp
 extern CScript _createmultisig_redeemScript(const UniValue& params);
 
-UniValue addmultisigaddress(const UniValue& params, bool fHelp)
+UniValue addmultisigaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 2 || params.size() > 3)
+    if (request.fHelp || request.params.size() < 2 || request.params.size() > 3)
     {
         string msg = "addmultisigaddress nrequired [\"key\",...] ( \"account\" )\n"
             "\nAdd a nrequired-to-sign multisignature address to the wallet.\n"
@@ -1004,11 +1004,11 @@ UniValue addmultisigaddress(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     string strAccount;
-    if (params.size() > 2)
-        strAccount = AccountFromValue(params[2]);
+    if (request.params.size() > 2)
+        strAccount = AccountFromValue(request.params[2]);
 
     // Construct using pay-to-script-hash:
-    CScript inner = _createmultisig_redeemScript(params);
+    CScript inner = _createmultisig_redeemScript(request.params);
     CScriptID innerID(inner);
     pwalletMain->AddCScript(inner);
 
@@ -1061,12 +1061,12 @@ public:
     }
 };
 
-UniValue addwitnessaddress(const UniValue& params, bool fHelp)
+UniValue addwitnessaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 1)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 1)
     {
         string msg = "addwitnessaddress \"address\"\n"
             "\nAdd a witness address for a script (with pubkey or redeemscript known).\n"
@@ -1089,7 +1089,7 @@ UniValue addwitnessaddress(const UniValue& params, bool fHelp)
         }
     }
 
-    CBitcoinAddress address(params[0].get_str());
+    CBitcoinAddress address(request.params[0].get_str());
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
 
@@ -1239,12 +1239,12 @@ UniValue ListReceived(const UniValue& params, bool fByAccounts)
     return ret;
 }
 
-UniValue listreceivedbyaddress(const UniValue& params, bool fHelp)
+UniValue listreceivedbyaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 3)
+    if (request.fHelp || request.params.size() > 3)
         throw runtime_error(
             "listreceivedbyaddress ( minconf includeempty includeWatchonly)\n"
             "\nList balances by receiving address.\n"
@@ -1274,15 +1274,15 @@ UniValue listreceivedbyaddress(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    return ListReceived(params, false);
+    return ListReceived(request.params, false);
 }
 
-UniValue listreceivedbyaccount(const UniValue& params, bool fHelp)
+UniValue listreceivedbyaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 3)
+    if (request.fHelp || request.params.size() > 3)
         throw runtime_error(
             "listreceivedbyaccount ( minconf includeempty includeWatchonly)\n"
             "\nDEPRECATED. List balances by account.\n"
@@ -1311,7 +1311,7 @@ UniValue listreceivedbyaccount(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    return ListReceived(params, true);
+    return ListReceived(request.params, true);
 }
 
 static void MaybePushAddress(UniValue & entry, const CTxDestination &dest)
@@ -1413,12 +1413,12 @@ void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Un
     }
 }
 
-UniValue listtransactions(const UniValue& params, bool fHelp)
+UniValue listtransactions(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 4)
+    if (request.fHelp || request.params.size() > 4)
         throw runtime_error(
             "listtransactions ( \"account\" count from includeWatchonly)\n"
             "\nReturns up to 'count' most recent transactions skipping the first 'from' transactions for account 'account'.\n"
@@ -1480,17 +1480,17 @@ UniValue listtransactions(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     string strAccount = "*";
-    if (params.size() > 0)
-        strAccount = params[0].get_str();
+    if (request.params.size() > 0)
+        strAccount = request.params[0].get_str();
     int nCount = 10;
-    if (params.size() > 1)
-        nCount = params[1].get_int();
+    if (request.params.size() > 1)
+        nCount = request.params[1].get_int();
     int nFrom = 0;
-    if (params.size() > 2)
-        nFrom = params[2].get_int();
+    if (request.params.size() > 2)
+        nFrom = request.params[2].get_int();
     isminefilter filter = ISMINE_SPENDABLE;
-    if(params.size() > 3)
-        if(params[3].get_bool())
+    if(request.params.size() > 3)
+        if(request.params[3].get_bool())
             filter = filter | ISMINE_WATCH_ONLY;
 
     if (nCount < 0)
@@ -1540,12 +1540,12 @@ UniValue listtransactions(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue listaccounts(const UniValue& params, bool fHelp)
+UniValue listaccounts(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 2)
+    if (request.fHelp || request.params.size() > 2)
         throw runtime_error(
             "listaccounts ( minconf includeWatchonly)\n"
             "\nDEPRECATED. Returns Object that has account names as keys, account balances as values.\n"
@@ -1571,11 +1571,11 @@ UniValue listaccounts(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     int nMinDepth = 1;
-    if (params.size() > 0)
-        nMinDepth = params[0].get_int();
+    if (request.params.size() > 0)
+        nMinDepth = request.params[0].get_int();
     isminefilter includeWatchonly = ISMINE_SPENDABLE;
-    if(params.size() > 1)
-        if(params[1].get_bool())
+    if(request.params.size() > 1)
+        if(request.params[1].get_bool())
             includeWatchonly = includeWatchonly | ISMINE_WATCH_ONLY;
 
     map<string, CAmount> mapAccountBalances;
@@ -1619,12 +1619,12 @@ UniValue listaccounts(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue listsinceblock(const UniValue& params, bool fHelp)
+UniValue listsinceblock(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp)
+    if (request.fHelp)
         throw runtime_error(
             "listsinceblock ( \"blockhash\" target-confirmations includeWatchonly)\n"
             "\nGet all transactions in blocks since block [blockhash], or all transactions if omitted\n"
@@ -1667,26 +1667,26 @@ UniValue listsinceblock(const UniValue& params, bool fHelp)
     int target_confirms = 1;
     isminefilter filter = ISMINE_SPENDABLE;
 
-    if (params.size() > 0)
+    if (request.params.size() > 0)
     {
         uint256 blockId;
 
-        blockId.SetHex(params[0].get_str());
+        blockId.SetHex(request.params[0].get_str());
         BlockMap::iterator it = mapBlockIndex.find(blockId);
         if (it != mapBlockIndex.end())
             pindex = it->second;
     }
 
-    if (params.size() > 1)
+    if (request.params.size() > 1)
     {
-        target_confirms = params[1].get_int();
+        target_confirms = request.params[1].get_int();
 
         if (target_confirms < 1)
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter");
     }
 
-    if(params.size() > 2)
-        if(params[2].get_bool())
+    if(request.params.size() > 2)
+        if(request.params[2].get_bool())
             filter = filter | ISMINE_WATCH_ONLY;
 
     int depth = pindex ? (1 + chainActive.Height() - pindex->nHeight) : -1;
@@ -1711,12 +1711,12 @@ UniValue listsinceblock(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue gettransaction(const UniValue& params, bool fHelp)
+UniValue gettransaction(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "gettransaction \"txid\" ( includeWatchonly )\n"
             "\nGet detailed information about in-wallet transaction <txid>\n"
@@ -1758,11 +1758,11 @@ UniValue gettransaction(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     uint256 hash;
-    hash.SetHex(params[0].get_str());
+    hash.SetHex(request.params[0].get_str());
 
     isminefilter filter = ISMINE_SPENDABLE;
-    if(params.size() > 1)
-        if(params[1].get_bool())
+    if(request.params.size() > 1)
+        if(request.params[1].get_bool())
             filter = filter | ISMINE_WATCH_ONLY;
 
     UniValue entry(UniValue::VOBJ);
@@ -1791,12 +1791,12 @@ UniValue gettransaction(const UniValue& params, bool fHelp)
     return entry;
 }
 
-UniValue abandontransaction(const UniValue& params, bool fHelp)
+UniValue abandontransaction(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "abandontransaction \"txid\"\n"
             "\nMark in-wallet transaction <txid> as abandoned\n"
@@ -1815,7 +1815,7 @@ UniValue abandontransaction(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     uint256 hash;
-    hash.SetHex(params[0].get_str());
+    hash.SetHex(request.params[0].get_str());
 
     if (!pwalletMain->mapWallet.count(hash))
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id");
@@ -1826,12 +1826,12 @@ UniValue abandontransaction(const UniValue& params, bool fHelp)
 }
 
 
-UniValue backupwallet(const UniValue& params, bool fHelp)
+UniValue backupwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 1)
+    if (request.fHelp || request.params.size() != 1)
         throw runtime_error(
             "backupwallet \"destination\"\n"
             "\nSafely copies current wallet file to destination, which can be a directory or a path with filename.\n"
@@ -1844,7 +1844,7 @@ UniValue backupwallet(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    string strDest = params[0].get_str();
+    string strDest = request.params[0].get_str();
     if (!pwalletMain->BackupWallet(strDest))
         throw JSONRPCError(RPC_WALLET_ERROR, "Error: Wallet backup failed!");
 
@@ -1852,12 +1852,12 @@ UniValue backupwallet(const UniValue& params, bool fHelp)
 }
 
 
-UniValue keypoolrefill(const UniValue& params, bool fHelp)
+UniValue keypoolrefill(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 1)
+    if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "keypoolrefill ( newsize )\n"
             "\nFills the keypool."
@@ -1873,10 +1873,10 @@ UniValue keypoolrefill(const UniValue& params, bool fHelp)
 
     // 0 is interpreted by TopUpKeyPool() as the default keypool size given by -keypool
     unsigned int kpSize = 0;
-    if (params.size() > 0) {
-        if (params[0].get_int() < 0)
+    if (request.params.size() > 0) {
+        if (request.params[0].get_int() < 0)
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected valid size.");
-        kpSize = (unsigned int)params[0].get_int();
+        kpSize = (unsigned int)request.params[0].get_int();
     }
 
     EnsureWalletIsUnlocked();
@@ -1896,12 +1896,12 @@ static void LockWallet(CWallet* pWallet)
     pWallet->Lock();
 }
 
-UniValue walletpassphrase(const UniValue& params, bool fHelp)
+UniValue walletpassphrase(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
+    if (pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 2))
         throw runtime_error(
             "walletpassphrase \"passphrase\" timeout\n"
             "\nStores the wallet decryption key in memory for 'timeout' seconds.\n"
@@ -1923,17 +1923,17 @@ UniValue walletpassphrase(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    if (fHelp)
+    if (request.fHelp)
         return true;
     if (!pwalletMain->IsCrypted())
         throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletpassphrase was called.");
 
-    // Note that the walletpassphrase is stored in params[0] which is not mlock()ed
+    // Note that the walletpassphrase is stored in request.params[0] which is not mlock()ed
     SecureString strWalletPass;
     strWalletPass.reserve(100);
     // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
-    // Alternately, find a way to make params[0] mlock()'d to begin with.
-    strWalletPass = params[0].get_str().c_str();
+    // Alternately, find a way to make request.params[0] mlock()'d to begin with.
+    strWalletPass = request.params[0].get_str().c_str();
 
     if (strWalletPass.length() > 0)
     {
@@ -1947,7 +1947,7 @@ UniValue walletpassphrase(const UniValue& params, bool fHelp)
 
     pwalletMain->TopUpKeyPool();
 
-    int64_t nSleepTime = params[1].get_int64();
+    int64_t nSleepTime = request.params[1].get_int64();
     LOCK(cs_nWalletUnlockTime);
     nWalletUnlockTime = GetTime() + nSleepTime;
     RPCRunLater("lockwallet", boost::bind(LockWallet, pwalletMain), nSleepTime);
@@ -1956,12 +1956,12 @@ UniValue walletpassphrase(const UniValue& params, bool fHelp)
 }
 
 
-UniValue walletpassphrasechange(const UniValue& params, bool fHelp)
+UniValue walletpassphrasechange(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
+    if (pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 2))
         throw runtime_error(
             "walletpassphrasechange \"oldpassphrase\" \"newpassphrase\"\n"
             "\nChanges the wallet passphrase from 'oldpassphrase' to 'newpassphrase'.\n"
@@ -1975,20 +1975,20 @@ UniValue walletpassphrasechange(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    if (fHelp)
+    if (request.fHelp)
         return true;
     if (!pwalletMain->IsCrypted())
         throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletpassphrasechange was called.");
 
     // TODO: get rid of these .c_str() calls by implementing SecureString::operator=(std::string)
-    // Alternately, find a way to make params[0] mlock()'d to begin with.
+    // Alternately, find a way to make request.params[0] mlock()'d to begin with.
     SecureString strOldWalletPass;
     strOldWalletPass.reserve(100);
-    strOldWalletPass = params[0].get_str().c_str();
+    strOldWalletPass = request.params[0].get_str().c_str();
 
     SecureString strNewWalletPass;
     strNewWalletPass.reserve(100);
-    strNewWalletPass = params[1].get_str().c_str();
+    strNewWalletPass = request.params[1].get_str().c_str();
 
     if (strOldWalletPass.length() < 1 || strNewWalletPass.length() < 1)
         throw runtime_error(
@@ -2002,12 +2002,12 @@ UniValue walletpassphrasechange(const UniValue& params, bool fHelp)
 }
 
 
-UniValue walletlock(const UniValue& params, bool fHelp)
+UniValue walletlock(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 0))
+    if (pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 0))
         throw runtime_error(
             "walletlock\n"
             "\nRemoves the wallet encryption key from memory, locking the wallet.\n"
@@ -2026,7 +2026,7 @@ UniValue walletlock(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    if (fHelp)
+    if (request.fHelp)
         return true;
     if (!pwalletMain->IsCrypted())
         throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletlock was called.");
@@ -2041,12 +2041,12 @@ UniValue walletlock(const UniValue& params, bool fHelp)
 }
 
 
-UniValue encryptwallet(const UniValue& params, bool fHelp)
+UniValue encryptwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (!pwalletMain->IsCrypted() && (fHelp || params.size() != 1))
+    if (!pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 1))
         throw runtime_error(
             "encryptwallet \"passphrase\"\n"
             "\nEncrypts the wallet with 'passphrase'. This is for first time encryption.\n"
@@ -2072,16 +2072,16 @@ UniValue encryptwallet(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    if (fHelp)
+    if (request.fHelp)
         return true;
     if (pwalletMain->IsCrypted())
         throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an encrypted wallet, but encryptwallet was called.");
 
     // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
-    // Alternately, find a way to make params[0] mlock()'d to begin with.
+    // Alternately, find a way to make request.params[0] mlock()'d to begin with.
     SecureString strWalletPass;
     strWalletPass.reserve(100);
-    strWalletPass = params[0].get_str().c_str();
+    strWalletPass = request.params[0].get_str().c_str();
 
     if (strWalletPass.length() < 1)
         throw runtime_error(
@@ -2098,12 +2098,12 @@ UniValue encryptwallet(const UniValue& params, bool fHelp)
     return "wallet encrypted; Bitcoin server stopping, restart to run with encrypted wallet. The keypool has been flushed and a new HD seed was generated (if you are using HD). You need to make a new backup.";
 }
 
-UniValue lockunspent(const UniValue& params, bool fHelp)
+UniValue lockunspent(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
             "lockunspent unlock ([{\"txid\":\"txid\",\"vout\":n},...])\n"
             "\nUpdates list of temporarily unspendable outputs.\n"
@@ -2142,20 +2142,20 @@ UniValue lockunspent(const UniValue& params, bool fHelp)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    if (params.size() == 1)
-        RPCTypeCheck(params, boost::assign::list_of(UniValue::VBOOL));
+    if (request.params.size() == 1)
+        RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VBOOL));
     else
-        RPCTypeCheck(params, boost::assign::list_of(UniValue::VBOOL)(UniValue::VARR));
+        RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VBOOL)(UniValue::VARR));
 
-    bool fUnlock = params[0].get_bool();
+    bool fUnlock = request.params[0].get_bool();
 
-    if (params.size() == 1) {
+    if (request.params.size() == 1) {
         if (fUnlock)
             pwalletMain->UnlockAllCoins();
         return true;
     }
 
-    UniValue outputs = params[1].get_array();
+    UniValue outputs = request.params[1].get_array();
     for (unsigned int idx = 0; idx < outputs.size(); idx++) {
         const UniValue& output = outputs[idx];
         if (!output.isObject())
@@ -2187,12 +2187,12 @@ UniValue lockunspent(const UniValue& params, bool fHelp)
     return true;
 }
 
-UniValue listlockunspent(const UniValue& params, bool fHelp)
+UniValue listlockunspent(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 0)
+    if (request.fHelp || request.params.size() > 0)
         throw runtime_error(
             "listlockunspent\n"
             "\nReturns list of temporarily unspendable outputs.\n"
@@ -2236,12 +2236,12 @@ UniValue listlockunspent(const UniValue& params, bool fHelp)
     return ret;
 }
 
-UniValue settxfee(const UniValue& params, bool fHelp)
+UniValue settxfee(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 1)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 1)
         throw runtime_error(
             "settxfee amount\n"
             "\nSet the transaction fee per kB. Overwrites the paytxfee parameter.\n"
@@ -2257,18 +2257,18 @@ UniValue settxfee(const UniValue& params, bool fHelp)
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
     // Amount
-    CAmount nAmount = AmountFromValue(params[0]);
+    CAmount nAmount = AmountFromValue(request.params[0]);
 
     payTxFee = CFeeRate(nAmount, 1000);
     return true;
 }
 
-UniValue getwalletinfo(const UniValue& params, bool fHelp)
+UniValue getwalletinfo(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "getwalletinfo\n"
             "Returns an object containing various wallet state info.\n"
@@ -2309,12 +2309,12 @@ UniValue getwalletinfo(const UniValue& params, bool fHelp)
     return obj;
 }
 
-UniValue resendwallettransactions(const UniValue& params, bool fHelp)
+UniValue resendwallettransactions(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() != 0)
+    if (request.fHelp || request.params.size() != 0)
         throw runtime_error(
             "resendwallettransactions\n"
             "Immediately re-broadcast unconfirmed wallet transactions to all peers.\n"
@@ -2337,12 +2337,12 @@ UniValue resendwallettransactions(const UniValue& params, bool fHelp)
     return result;
 }
 
-UniValue listunspent(const UniValue& params, bool fHelp)
+UniValue listunspent(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() > 3)
+    if (request.fHelp || request.params.size() > 3)
         throw runtime_error(
             "listunspent ( minconf maxconf  [\"address\",...] )\n"
             "\nReturns array of unspent transaction outputs\n"
@@ -2379,19 +2379,19 @@ UniValue listunspent(const UniValue& params, bool fHelp)
             + HelpExampleRpc("listunspent", "6, 9999999 \"[\\\"1PGFqEzfmQch1gKD3ra4k18PNj3tTUUSqg\\\",\\\"1LtvqCaApEdUGFkpKMM4MstjcaL4dKg8SP\\\"]\"")
         );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM)(UniValue::VNUM)(UniValue::VARR));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM)(UniValue::VNUM)(UniValue::VARR));
 
     int nMinDepth = 1;
-    if (params.size() > 0)
-        nMinDepth = params[0].get_int();
+    if (request.params.size() > 0)
+        nMinDepth = request.params[0].get_int();
 
     int nMaxDepth = 9999999;
-    if (params.size() > 1)
-        nMaxDepth = params[1].get_int();
+    if (request.params.size() > 1)
+        nMaxDepth = request.params[1].get_int();
 
     set<CBitcoinAddress> setAddress;
-    if (params.size() > 2) {
-        UniValue inputs = params[2].get_array();
+    if (request.params.size() > 2) {
+        UniValue inputs = request.params[2].get_array();
         for (unsigned int idx = 0; idx < inputs.size(); idx++) {
             const UniValue& input = inputs[idx];
             CBitcoinAddress address(input.get_str());
@@ -2448,12 +2448,12 @@ UniValue listunspent(const UniValue& params, bool fHelp)
     return results;
 }
 
-UniValue fundrawtransaction(const UniValue& params, bool fHelp)
+UniValue fundrawtransaction(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(fHelp))
+    if (!EnsureWalletIsAvailable(request.fHelp))
         return NullUniValue;
 
-    if (fHelp || params.size() < 1 || params.size() > 2)
+    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
         throw runtime_error(
                             "fundrawtransaction \"hexstring\" ( options )\n"
                             "\nAdd inputs to a transaction until it has enough in value to meet its out value.\n"
@@ -2494,7 +2494,7 @@ UniValue fundrawtransaction(const UniValue& params, bool fHelp)
                             + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"")
                             );
 
-    RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR));
+    RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR));
 
     CTxDestination changeAddress = CNoDestination();
     int changePosition = -1;
@@ -2503,15 +2503,15 @@ UniValue fundrawtransaction(const UniValue& params, bool fHelp)
     CFeeRate feeRate = CFeeRate(0);
     bool overrideEstimatedFeerate = false;
 
-    if (params.size() > 1) {
-      if (params[1].type() == UniValue::VBOOL) {
+    if (request.params.size() > 1) {
+      if (request.params[1].type() == UniValue::VBOOL) {
         // backward compatibility bool only fallback
-        includeWatching = params[1].get_bool();
+        includeWatching = request.params[1].get_bool();
       }
       else {
-        RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)(UniValue::VOBJ));
+        RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VOBJ));
 
-        UniValue options = params[1];
+        UniValue options = request.params[1];
 
         RPCTypeCheckObj(options,
             {
@@ -2551,7 +2551,7 @@ UniValue fundrawtransaction(const UniValue& params, bool fHelp)
 
     // parse hex string from parameter
     CTransaction origTx;
-    if (!DecodeHexTx(origTx, params[0].get_str(), true))
+    if (!DecodeHexTx(origTx, request.params[0].get_str(), true))
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
 
     if (origTx.vout.size() == 0)
@@ -2575,14 +2575,14 @@ UniValue fundrawtransaction(const UniValue& params, bool fHelp)
     return result;
 }
 
-extern UniValue dumpprivkey(const UniValue& params, bool fHelp); // in rpcdump.cpp
-extern UniValue importprivkey(const UniValue& params, bool fHelp);
-extern UniValue importaddress(const UniValue& params, bool fHelp);
-extern UniValue importpubkey(const UniValue& params, bool fHelp);
-extern UniValue dumpwallet(const UniValue& params, bool fHelp);
-extern UniValue importwallet(const UniValue& params, bool fHelp);
-extern UniValue importprunedfunds(const UniValue& params, bool fHelp);
-extern UniValue removeprunedfunds(const UniValue& params, bool fHelp);
+extern UniValue dumpprivkey(const JSONRPCRequest& request); // in rpcdump.cpp
+extern UniValue importprivkey(const JSONRPCRequest& request);
+extern UniValue importaddress(const JSONRPCRequest& request);
+extern UniValue importpubkey(const JSONRPCRequest& request);
+extern UniValue dumpwallet(const JSONRPCRequest& request);
+extern UniValue importwallet(const JSONRPCRequest& request);
+extern UniValue importprunedfunds(const JSONRPCRequest& request);
+extern UniValue removeprunedfunds(const JSONRPCRequest& request);
 
 static const CRPCCommand commands[] =
 { //  category              name                        actor (function)           okSafeMode