diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index 140cb4840..f8e9acb08 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -112,13 +112,17 @@ UniValue getinfo(const JSONRPCRequest& request)
 class DescribeAddressVisitor : public boost::static_visitor<UniValue>
 {
 public:
+    CWallet * const pwallet;
+
+    DescribeAddressVisitor(CWallet *_pwallet) : pwallet(_pwallet) {}
+
     UniValue operator()(const CNoDestination &dest) const { return UniValue(UniValue::VOBJ); }
 
     UniValue operator()(const CKeyID &keyID) const {
         UniValue obj(UniValue::VOBJ);
         CPubKey vchPubKey;
         obj.push_back(Pair("isscript", false));
-        if (pwalletMain && pwalletMain->GetPubKey(keyID, vchPubKey)) {
+        if (pwallet && pwallet->GetPubKey(keyID, vchPubKey)) {
             obj.push_back(Pair("pubkey", HexStr(vchPubKey)));
             obj.push_back(Pair("iscompressed", vchPubKey.IsCompressed()));
         }
@@ -129,7 +133,7 @@ public:
         UniValue obj(UniValue::VOBJ);
         CScript subscript;
         obj.push_back(Pair("isscript", true));
-        if (pwalletMain && pwalletMain->GetCScript(scriptID, subscript)) {
+        if (pwallet && pwallet->GetCScript(scriptID, subscript)) {
             std::vector<CTxDestination> addresses;
             txnouttype whichType;
             int nRequired;
@@ -200,7 +204,7 @@ UniValue validateaddress(const JSONRPCRequest& request)
         isminetype mine = pwalletMain ? IsMine(*pwalletMain, dest) : ISMINE_NO;
         ret.push_back(Pair("ismine", (mine & ISMINE_SPENDABLE) ? true : false));
         ret.push_back(Pair("iswatchonly", (mine & ISMINE_WATCH_ONLY) ? true: false));
-        UniValue detail = boost::apply_visitor(DescribeAddressVisitor(), dest);
+        UniValue detail = boost::apply_visitor(DescribeAddressVisitor(pwalletMain), dest);
         ret.pushKVs(detail);
         if (pwalletMain && pwalletMain->mapAddressBook.count(dest))
             ret.push_back(Pair("account", pwalletMain->mapAddressBook[dest].name));
@@ -227,7 +231,7 @@ UniValue validateaddress(const JSONRPCRequest& request)
 /**
  * Used by addmultisigaddress / createmultisig:
  */
-CScript _createmultisig_redeemScript(const UniValue& params)
+CScript _createmultisig_redeemScript(CWallet * const pwallet, const UniValue& params)
 {
     int nRequired = params[0].get_int();
     const UniValue& keys = params[1].get_array();
@@ -249,14 +253,14 @@ CScript _createmultisig_redeemScript(const UniValue& params)
 #ifdef ENABLE_WALLET
         // Case 1: Bitcoin address and we have full public key:
         CBitcoinAddress address(ks);
-        if (pwalletMain && address.IsValid())
+        if (pwallet && address.IsValid())
         {
             CKeyID keyID;
             if (!address.GetKeyID(keyID))
                 throw runtime_error(
                     strprintf("%s does not refer to a key",ks));
             CPubKey vchPubKey;
-            if (!pwalletMain->GetPubKey(keyID, vchPubKey))
+            if (!pwallet->GetPubKey(keyID, vchPubKey))
                 throw runtime_error(
                     strprintf("no full public key for address %s",ks));
             if (!vchPubKey.IsFullyValid())
@@ -320,7 +324,7 @@ UniValue createmultisig(const JSONRPCRequest& request)
     }
 
     // Construct using pay-to-script-hash:
-    CScript inner = _createmultisig_redeemScript(request.params);
+    CScript inner = _createmultisig_redeemScript(pwalletMain, request.params);
     CScriptID innerID(inner);
     CBitcoinAddress address(innerID);
 
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index bf16f2749..faafe9829 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -603,7 +603,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
             "The third optional argument (may be null) is an array of base58-encoded private\n"
             "keys that, if given, will be the only keys used to sign the transaction.\n"
 #ifdef ENABLE_WALLET
-            + HelpRequiringPassphrase() + "\n"
+            + HelpRequiringPassphrase(pwalletMain) + "\n"
 #endif
 
             "\nArguments:\n"
@@ -718,7 +718,7 @@ UniValue signrawtransaction(const JSONRPCRequest& request)
     }
 #ifdef ENABLE_WALLET
     else if (pwalletMain)
-        EnsureWalletIsUnlocked();
+        EnsureWalletIsUnlocked(pwalletMain);
 #endif
 
     // Add previous txouts given in the RPC call:
diff --git a/src/rpc/server.h b/src/rpc/server.h
index 52f82866d..b32eaaa13 100644
--- a/src/rpc/server.h
+++ b/src/rpc/server.h
@@ -194,11 +194,18 @@ extern int64_t nWalletUnlockTime;
 extern CAmount AmountFromValue(const UniValue& value);
 extern UniValue ValueFromAmount(const CAmount& amount);
 extern double GetDifficulty(const CBlockIndex* blockindex = NULL);
-extern std::string HelpRequiringPassphrase();
 extern std::string HelpExampleCli(const std::string& methodname, const std::string& args);
 extern std::string HelpExampleRpc(const std::string& methodname, const std::string& args);
 
-extern void EnsureWalletIsUnlocked();
+// Needed even with !ENABLE_WALLET, to pass (ignored) pointers around
+class CWallet;
+
+#ifdef ENABLE_WALLET
+// New code should accessing the wallet should be under the ../wallet/ directory
+std::string HelpRequiringPassphrase(CWallet *);
+void EnsureWalletIsUnlocked(CWallet *);
+bool EnsureWalletIsAvailable(CWallet *, bool avoidException);
+#endif
 
 bool StartRPC();
 void InterruptRPC();
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 8a9e7d144..9f71d74e3 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -29,9 +29,6 @@
 
 using namespace std;
 
-void EnsureWalletIsUnlocked();
-bool EnsureWalletIsAvailable(bool avoidException);
-
 std::string static EncodeDumpTime(int64_t nTime) {
     return DateTimeStrFormat("%Y-%m-%dT%H:%M:%SZ", nTime);
 }
@@ -77,7 +74,7 @@ std::string DecodeDumpString(const std::string &str) {
 
 UniValue importprivkey(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
     
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 3)
@@ -103,7 +100,7 @@ UniValue importprivkey(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     string strSecret = request.params[0].get_str();
     string strLabel = "";
@@ -153,41 +150,41 @@ UniValue importprivkey(const JSONRPCRequest& request)
     return NullUniValue;
 }
 
-void ImportAddress(const CBitcoinAddress& address, const string& strLabel);
-void ImportScript(const CScript& script, const string& strLabel, bool isRedeemScript)
+void ImportAddress(CWallet*, const CBitcoinAddress& address, const string& strLabel);
+void ImportScript(CWallet * const pwallet, const CScript& script, const string& strLabel, bool isRedeemScript)
 {
-    if (!isRedeemScript && ::IsMine(*pwalletMain, script) == ISMINE_SPENDABLE)
+    if (!isRedeemScript && ::IsMine(*pwallet, script) == ISMINE_SPENDABLE)
         throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
 
-    pwalletMain->MarkDirty();
+    pwallet->MarkDirty();
 
-    if (!pwalletMain->HaveWatchOnly(script) && !pwalletMain->AddWatchOnly(script, 0 /* nCreateTime */))
+    if (!pwallet->HaveWatchOnly(script) && !pwallet->AddWatchOnly(script, 0 /* nCreateTime */))
         throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
 
     if (isRedeemScript) {
-        if (!pwalletMain->HaveCScript(script) && !pwalletMain->AddCScript(script))
+        if (!pwallet->HaveCScript(script) && !pwallet->AddCScript(script))
             throw JSONRPCError(RPC_WALLET_ERROR, "Error adding p2sh redeemScript to wallet");
-        ImportAddress(CBitcoinAddress(CScriptID(script)), strLabel);
+        ImportAddress(pwallet, CBitcoinAddress(CScriptID(script)), strLabel);
     } else {
         CTxDestination destination;
         if (ExtractDestination(script, destination)) {
-            pwalletMain->SetAddressBook(destination, strLabel, "receive");
+            pwallet->SetAddressBook(destination, strLabel, "receive");
         }
     }
 }
 
-void ImportAddress(const CBitcoinAddress& address, const string& strLabel)
+void ImportAddress(CWallet * const pwallet, const CBitcoinAddress& address, const string& strLabel)
 {
     CScript script = GetScriptForDestination(address.Get());
-    ImportScript(script, strLabel, false);
+    ImportScript(pwallet, script, strLabel, false);
     // add to address book or update label
     if (address.IsValid())
-        pwalletMain->SetAddressBook(address.Get(), strLabel, "receive");
+        pwallet->SetAddressBook(address.Get(), strLabel, "receive");
 }
 
 UniValue importaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
     
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 4)
@@ -236,10 +233,10 @@ UniValue importaddress(const JSONRPCRequest& request)
     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);
+        ImportAddress(pwalletMain, address, strLabel);
     } 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);
+        ImportScript(pwalletMain, CScript(data.begin(), data.end()), strLabel, fP2SH);
     } else {
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address or script");
     }
@@ -255,7 +252,7 @@ UniValue importaddress(const JSONRPCRequest& request)
 
 UniValue importprunedfunds(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 2)
@@ -314,7 +311,7 @@ UniValue importprunedfunds(const JSONRPCRequest& request)
 
 UniValue removeprunedfunds(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 1)
@@ -350,7 +347,7 @@ UniValue removeprunedfunds(const JSONRPCRequest& request)
 
 UniValue importpubkey(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 4)
@@ -393,8 +390,8 @@ UniValue importpubkey(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    ImportAddress(CBitcoinAddress(pubKey.GetID()), strLabel);
-    ImportScript(GetScriptForRawPubKey(pubKey), strLabel, false);
+    ImportAddress(pwalletMain, CBitcoinAddress(pubKey.GetID()), strLabel);
+    ImportScript(pwalletMain, GetScriptForRawPubKey(pubKey), strLabel, false);
 
     if (fRescan)
     {
@@ -408,7 +405,7 @@ UniValue importpubkey(const JSONRPCRequest& request)
 
 UniValue importwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
     
     if (request.fHelp || request.params.size() != 1)
@@ -431,7 +428,7 @@ UniValue importwallet(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     ifstream file;
     file.open(request.params[0].get_str().c_str(), std::ios::in | std::ios::ate);
@@ -514,7 +511,7 @@ UniValue importwallet(const JSONRPCRequest& request)
 
 UniValue dumpprivkey(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
     
     if (request.fHelp || request.params.size() != 1)
@@ -534,7 +531,7 @@ UniValue dumpprivkey(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     string strAddress = request.params[0].get_str();
     CBitcoinAddress address;
@@ -552,7 +549,7 @@ UniValue dumpprivkey(const JSONRPCRequest& request)
 
 UniValue dumpwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
     
     if (request.fHelp || request.params.size() != 1)
@@ -568,7 +565,7 @@ UniValue dumpwallet(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     ofstream file;
     file.open(request.params[0].get_str().c_str());
@@ -641,7 +638,7 @@ UniValue dumpwallet(const JSONRPCRequest& request)
 }
 
 
-UniValue ProcessImport(const UniValue& data, const int64_t timestamp)
+UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int64_t timestamp)
 {
     try {
         bool success = false;
@@ -723,32 +720,32 @@ UniValue ProcessImport(const UniValue& data, const int64_t timestamp)
                 throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid P2SH address / script");
             }
 
-            pwalletMain->MarkDirty();
+            pwallet->MarkDirty();
 
-            if (!pwalletMain->HaveWatchOnly(redeemScript) && !pwalletMain->AddWatchOnly(redeemScript, timestamp)) {
+            if (!pwallet->HaveWatchOnly(redeemScript) && !pwallet->AddWatchOnly(redeemScript, timestamp)) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
             }
 
-            if (!pwalletMain->HaveCScript(redeemScript) && !pwalletMain->AddCScript(redeemScript)) {
+            if (!pwallet->HaveCScript(redeemScript) && !pwallet->AddCScript(redeemScript)) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding p2sh redeemScript to wallet");
             }
 
             CBitcoinAddress redeemAddress = CBitcoinAddress(CScriptID(redeemScript));
             CScript redeemDestination = GetScriptForDestination(redeemAddress.Get());
 
-            if (::IsMine(*pwalletMain, redeemDestination) == ISMINE_SPENDABLE) {
+            if (::IsMine(*pwallet, redeemDestination) == ISMINE_SPENDABLE) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
             }
 
-            pwalletMain->MarkDirty();
+            pwallet->MarkDirty();
 
-            if (!pwalletMain->HaveWatchOnly(redeemDestination) && !pwalletMain->AddWatchOnly(redeemDestination, timestamp)) {
+            if (!pwallet->HaveWatchOnly(redeemDestination) && !pwallet->AddWatchOnly(redeemDestination, timestamp)) {
                 throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
             }
 
             // add to address book or update label
             if (address.IsValid()) {
-                pwalletMain->SetAddressBook(address.Get(), label, "receive");
+                pwallet->SetAddressBook(address.Get(), label, "receive");
             }
 
             // Import private keys.
@@ -773,20 +770,20 @@ UniValue ProcessImport(const UniValue& data, const int64_t timestamp)
                     assert(key.VerifyPubKey(pubkey));
 
                     CKeyID vchAddress = pubkey.GetID();
-                    pwalletMain->MarkDirty();
-                    pwalletMain->SetAddressBook(vchAddress, label, "receive");
+                    pwallet->MarkDirty();
+                    pwallet->SetAddressBook(vchAddress, label, "receive");
 
-                    if (pwalletMain->HaveKey(vchAddress)) {
+                    if (pwallet->HaveKey(vchAddress)) {
                         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Already have this key");
                     }
 
-                    pwalletMain->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
+                    pwallet->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
 
-                    if (!pwalletMain->AddKeyPubKey(key, pubkey)) {
+                    if (!pwallet->AddKeyPubKey(key, pubkey)) {
                         throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
                     }
 
-                    pwalletMain->UpdateTimeFirstKey(timestamp);
+                    pwallet->UpdateTimeFirstKey(timestamp);
                 }
             }
 
@@ -829,31 +826,31 @@ UniValue ProcessImport(const UniValue& data, const int64_t timestamp)
 
                 CScript pubKeyScript = GetScriptForDestination(pubKeyAddress.Get());
 
-                if (::IsMine(*pwalletMain, pubKeyScript) == ISMINE_SPENDABLE) {
+                if (::IsMine(*pwallet, pubKeyScript) == ISMINE_SPENDABLE) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
                 }
 
-                pwalletMain->MarkDirty();
+                pwallet->MarkDirty();
 
-                if (!pwalletMain->HaveWatchOnly(pubKeyScript) && !pwalletMain->AddWatchOnly(pubKeyScript, timestamp)) {
+                if (!pwallet->HaveWatchOnly(pubKeyScript) && !pwallet->AddWatchOnly(pubKeyScript, timestamp)) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
                 }
 
                 // add to address book or update label
                 if (pubKeyAddress.IsValid()) {
-                    pwalletMain->SetAddressBook(pubKeyAddress.Get(), label, "receive");
+                    pwallet->SetAddressBook(pubKeyAddress.Get(), label, "receive");
                 }
 
                 // TODO Is this necessary?
                 CScript scriptRawPubKey = GetScriptForRawPubKey(pubKey);
 
-                if (::IsMine(*pwalletMain, scriptRawPubKey) == ISMINE_SPENDABLE) {
+                if (::IsMine(*pwallet, scriptRawPubKey) == ISMINE_SPENDABLE) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
                 }
 
-                pwalletMain->MarkDirty();
+                pwallet->MarkDirty();
 
-                if (!pwalletMain->HaveWatchOnly(scriptRawPubKey) && !pwalletMain->AddWatchOnly(scriptRawPubKey, timestamp)) {
+                if (!pwallet->HaveWatchOnly(scriptRawPubKey) && !pwallet->AddWatchOnly(scriptRawPubKey, timestamp)) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
                 }
 
@@ -901,40 +898,40 @@ UniValue ProcessImport(const UniValue& data, const int64_t timestamp)
                 }
 
                 CKeyID vchAddress = pubKey.GetID();
-                pwalletMain->MarkDirty();
-                pwalletMain->SetAddressBook(vchAddress, label, "receive");
+                pwallet->MarkDirty();
+                pwallet->SetAddressBook(vchAddress, label, "receive");
 
-                if (pwalletMain->HaveKey(vchAddress)) {
+                if (pwallet->HaveKey(vchAddress)) {
                     return false;
                 }
 
-                pwalletMain->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
+                pwallet->mapKeyMetadata[vchAddress].nCreateTime = timestamp;
 
-                if (!pwalletMain->AddKeyPubKey(key, pubKey)) {
+                if (!pwallet->AddKeyPubKey(key, pubKey)) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
                 }
 
-                pwalletMain->UpdateTimeFirstKey(timestamp);
+                pwallet->UpdateTimeFirstKey(timestamp);
 
                 success = true;
             }
 
             // Import scriptPubKey only.
             if (pubKeys.size() == 0 && keys.size() == 0) {
-                if (::IsMine(*pwalletMain, script) == ISMINE_SPENDABLE) {
+                if (::IsMine(*pwallet, script) == ISMINE_SPENDABLE) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "The wallet already contains the private key for this address or script");
                 }
 
-                pwalletMain->MarkDirty();
+                pwallet->MarkDirty();
 
-                if (!pwalletMain->HaveWatchOnly(script) && !pwalletMain->AddWatchOnly(script, timestamp)) {
+                if (!pwallet->HaveWatchOnly(script) && !pwallet->AddWatchOnly(script, timestamp)) {
                     throw JSONRPCError(RPC_WALLET_ERROR, "Error adding address to wallet");
                 }
 
                 if (scriptPubKey.getType() == UniValue::VOBJ) {
                     // add to address book or update label
                     if (address.IsValid()) {
-                        pwalletMain->SetAddressBook(address.Get(), label, "receive");
+                        pwallet->SetAddressBook(address.Get(), label, "receive");
                     }
                 }
 
@@ -1012,7 +1009,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
             "  [{ \"success\": true } , { \"success\": false, \"error\": { \"code\": -1, \"message\": \"Internal Server Error\"} }, ... ]\n");
 
     // clang-format on
-    if (!EnsureWalletIsAvailable(mainRequest.fHelp)) {
+    if (!EnsureWalletIsAvailable(pwalletMain, mainRequest.fHelp)) {
         return NullUniValue;
     }
 
@@ -1032,7 +1029,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
     }
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     // Verify all timestamps are present before importing any keys.
     const int64_t now = chainActive.Tip() ? chainActive.Tip()->GetMedianTimePast() : 0;
@@ -1054,7 +1051,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
 
     BOOST_FOREACH (const UniValue& data, requests.getValues()) {
         const int64_t timestamp = std::max(GetImportTimestamp(data, now), minimumTimestamp);
-        const UniValue result = ProcessImport(data, timestamp);
+        const UniValue result = ProcessImport(pwalletMain, data, timestamp);
         response.push_back(result);
 
         if (!fRescan) {
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 6b9e49038..179d42fca 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -32,16 +32,16 @@ using namespace std;
 int64_t nWalletUnlockTime;
 static CCriticalSection cs_nWalletUnlockTime;
 
-std::string HelpRequiringPassphrase()
+std::string HelpRequiringPassphrase(CWallet * const pwallet)
 {
-    return pwalletMain && pwalletMain->IsCrypted()
+    return pwallet && pwallet->IsCrypted()
         ? "\nRequires wallet passphrase to be set with walletpassphrase call."
         : "";
 }
 
-bool EnsureWalletIsAvailable(bool avoidException)
+bool EnsureWalletIsAvailable(CWallet * const pwallet, bool avoidException)
 {
-    if (!pwalletMain)
+    if (!pwallet)
     {
         if (!avoidException)
             throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found (disabled)");
@@ -51,9 +51,9 @@ bool EnsureWalletIsAvailable(bool avoidException)
     return true;
 }
 
-void EnsureWalletIsUnlocked()
+void EnsureWalletIsUnlocked(CWallet * const pwallet)
 {
-    if (pwalletMain->IsLocked())
+    if (pwallet->IsLocked())
         throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
 }
 
@@ -106,7 +106,7 @@ string AccountFromValue(const UniValue& value)
 
 UniValue getnewaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 1)
@@ -146,10 +146,10 @@ UniValue getnewaddress(const JSONRPCRequest& request)
 }
 
 
-CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
+CBitcoinAddress GetAccountAddress(CWallet * const pwallet, string strAccount, bool bForceNew=false)
 {
     CPubKey pubKey;
-    if (!pwalletMain->GetAccountPubkey(pubKey, strAccount, bForceNew)) {
+    if (!pwallet->GetAccountPubkey(pubKey, strAccount, bForceNew)) {
         throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");
     }
 
@@ -158,7 +158,7 @@ CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
 
 UniValue getaccountaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 1)
@@ -183,14 +183,14 @@ UniValue getaccountaddress(const JSONRPCRequest& request)
 
     UniValue ret(UniValue::VSTR);
 
-    ret = GetAccountAddress(strAccount).ToString();
+    ret = GetAccountAddress(pwalletMain, strAccount).ToString();
     return ret;
 }
 
 
 UniValue getrawchangeaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 1)
@@ -225,7 +225,7 @@ UniValue getrawchangeaddress(const JSONRPCRequest& request)
 
 UniValue setaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
@@ -257,8 +257,8 @@ UniValue setaccount(const JSONRPCRequest& request)
         if (pwalletMain->mapAddressBook.count(address.Get()))
         {
             string strOldAccount = pwalletMain->mapAddressBook[address.Get()].name;
-            if (address == GetAccountAddress(strOldAccount))
-                GetAccountAddress(strOldAccount, true);
+            if (address == GetAccountAddress(pwalletMain, strOldAccount))
+                GetAccountAddress(pwalletMain, strOldAccount, true);
         }
         pwalletMain->SetAddressBook(address.Get(), strAccount, "receive");
     }
@@ -271,7 +271,7 @@ UniValue setaccount(const JSONRPCRequest& request)
 
 UniValue getaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 1)
@@ -303,7 +303,7 @@ UniValue getaccount(const JSONRPCRequest& request)
 
 UniValue getaddressesbyaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 1)
@@ -338,9 +338,9 @@ UniValue getaddressesbyaccount(const JSONRPCRequest& request)
     return ret;
 }
 
-static void SendMoney(const CTxDestination &address, CAmount nValue, bool fSubtractFeeFromAmount, CWalletTx& wtxNew)
+static void SendMoney(CWallet * const pwallet, const CTxDestination &address, CAmount nValue, bool fSubtractFeeFromAmount, CWalletTx& wtxNew)
 {
-    CAmount curBalance = pwalletMain->GetBalance();
+    CAmount curBalance = pwallet->GetBalance();
 
     // Check amount
     if (nValue <= 0)
@@ -349,27 +349,27 @@ static void SendMoney(const CTxDestination &address, CAmount nValue, bool fSubtr
     if (nValue > curBalance)
         throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Insufficient funds");
 
-    if (pwalletMain->GetBroadcastTransactions() && !g_connman)
+    if (pwallet->GetBroadcastTransactions() && !g_connman)
         throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
 
     // Parse Bitcoin address
     CScript scriptPubKey = GetScriptForDestination(address);
 
     // Create and send the transaction
-    CReserveKey reservekey(pwalletMain);
+    CReserveKey reservekey(pwallet);
     CAmount nFeeRequired;
     std::string strError;
     vector<CRecipient> vecSend;
     int nChangePosRet = -1;
     CRecipient recipient = {scriptPubKey, nValue, fSubtractFeeFromAmount};
     vecSend.push_back(recipient);
-    if (!pwalletMain->CreateTransaction(vecSend, wtxNew, reservekey, nFeeRequired, nChangePosRet, strError)) {
+    if (!pwallet->CreateTransaction(vecSend, wtxNew, reservekey, nFeeRequired, nChangePosRet, strError)) {
         if (!fSubtractFeeFromAmount && nValue + nFeeRequired > curBalance)
             strError = strprintf("Error: This transaction requires a transaction fee of at least %s", FormatMoney(nFeeRequired));
         throw JSONRPCError(RPC_WALLET_ERROR, strError);
     }
     CValidationState state;
-    if (!pwalletMain->CommitTransaction(wtxNew, reservekey, g_connman.get(), state)) {
+    if (!pwallet->CommitTransaction(wtxNew, reservekey, g_connman.get(), state)) {
         strError = strprintf("Error: The transaction was rejected! Reason given: %s", state.GetRejectReason());
         throw JSONRPCError(RPC_WALLET_ERROR, strError);
     }
@@ -377,14 +377,14 @@ static void SendMoney(const CTxDestination &address, CAmount nValue, bool fSubtr
 
 UniValue sendtoaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 2 || request.params.size() > 5)
         throw runtime_error(
             "sendtoaddress \"address\" amount ( \"comment\" \"comment_to\" subtractfeefromamount )\n"
             "\nSend an amount to a given address.\n"
-            + HelpRequiringPassphrase() +
+            + HelpRequiringPassphrase(pwalletMain) +
             "\nArguments:\n"
             "1. \"address\"            (string, required) The bitcoin address to send to.\n"
             "2. \"amount\"             (numeric or string, required) The amount in " + CURRENCY_UNIT + " to send. eg 0.1\n"
@@ -426,16 +426,16 @@ UniValue sendtoaddress(const JSONRPCRequest& request)
     if (request.params.size() > 4)
         fSubtractFeeFromAmount = request.params[4].get_bool();
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
-    SendMoney(address.Get(), nAmount, fSubtractFeeFromAmount, wtx);
+    SendMoney(pwalletMain, address.Get(), nAmount, fSubtractFeeFromAmount, wtx);
 
     return wtx.GetHash().GetHex();
 }
 
 UniValue listaddressgroupings(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp)
@@ -486,14 +486,14 @@ UniValue listaddressgroupings(const JSONRPCRequest& request)
 
 UniValue signmessage(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 2)
         throw runtime_error(
             "signmessage \"address\" \"message\"\n"
             "\nSign a message with the private key of an address"
-            + HelpRequiringPassphrase() + "\n"
+            + HelpRequiringPassphrase(pwalletMain) + "\n"
             "\nArguments:\n"
             "1. \"address\"         (string, required) The bitcoin address to use for the private key.\n"
             "2. \"message\"         (string, required) The message to create a signature of.\n"
@@ -512,7 +512,7 @@ UniValue signmessage(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     string strAddress = request.params[0].get_str();
     string strMessage = request.params[1].get_str();
@@ -542,7 +542,7 @@ UniValue signmessage(const JSONRPCRequest& request)
 
 UniValue getreceivedbyaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
@@ -600,7 +600,7 @@ UniValue getreceivedbyaddress(const JSONRPCRequest& request)
 
 UniValue getreceivedbyaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
@@ -657,7 +657,7 @@ UniValue getreceivedbyaccount(const JSONRPCRequest& request)
 
 UniValue getbalance(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 3)
@@ -746,7 +746,7 @@ UniValue getbalance(const JSONRPCRequest& request)
 
 UniValue getunconfirmedbalance(const JSONRPCRequest &request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 0)
@@ -762,7 +762,7 @@ UniValue getunconfirmedbalance(const JSONRPCRequest &request)
 
 UniValue movecmd(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 3 || request.params.size() > 5)
@@ -809,14 +809,14 @@ UniValue movecmd(const JSONRPCRequest& request)
 
 UniValue sendfrom(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 3 || request.params.size() > 6)
         throw runtime_error(
             "sendfrom \"fromaccount\" \"toaddress\" amount ( minconf \"comment\" \"comment_to\" )\n"
             "\nDEPRECATED (use sendtoaddress). Sent an amount from an account to a bitcoin address."
-            + HelpRequiringPassphrase() + "\n"
+            + HelpRequiringPassphrase(pwalletMain) + "\n"
             "\nArguments:\n"
             "1. \"fromaccount\"       (string, required) The name of the account to send funds from. May be the default account using \"\".\n"
             "                       Specifying an account does not influence coin selection, but it does associate the newly created\n"
@@ -861,14 +861,14 @@ UniValue sendfrom(const JSONRPCRequest& request)
     if (request.params.size() > 5 && !request.params[5].isNull() && !request.params[5].get_str().empty())
         wtx.mapValue["to"]      = request.params[5].get_str();
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     // Check funds
     CAmount nBalance = pwalletMain->GetAccountBalance(strAccount, nMinDepth, ISMINE_SPENDABLE);
     if (nAmount > nBalance)
         throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Account has insufficient funds");
 
-    SendMoney(address.Get(), nAmount, false, wtx);
+    SendMoney(pwalletMain, address.Get(), nAmount, false, wtx);
 
     return wtx.GetHash().GetHex();
 }
@@ -876,14 +876,14 @@ UniValue sendfrom(const JSONRPCRequest& request)
 
 UniValue sendmany(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     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."
-            + HelpRequiringPassphrase() + "\n"
+            + HelpRequiringPassphrase(pwalletMain) + "\n"
             "\nArguments:\n"
             "1. \"fromaccount\"         (string, required) DEPRECATED. The account to send the funds from. Should be \"\" for the default account\n"
             "2. \"amounts\"             (string, required) A json object with addresses and amounts\n"
@@ -967,7 +967,7 @@ UniValue sendmany(const JSONRPCRequest& request)
         vecSend.push_back(recipient);
     }
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
 
     // Check funds
     CAmount nBalance = pwalletMain->GetAccountBalance(strAccount, nMinDepth, ISMINE_SPENDABLE);
@@ -992,11 +992,11 @@ UniValue sendmany(const JSONRPCRequest& request)
 }
 
 // Defined in rpc/misc.cpp
-extern CScript _createmultisig_redeemScript(const UniValue& params);
+extern CScript _createmultisig_redeemScript(CWallet * const pwallet, const UniValue& params);
 
 UniValue addmultisigaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 2 || request.params.size() > 3)
@@ -1034,7 +1034,7 @@ UniValue addmultisigaddress(const JSONRPCRequest& request)
         strAccount = AccountFromValue(request.params[2]);
 
     // Construct using pay-to-script-hash:
-    CScript inner = _createmultisig_redeemScript(request.params);
+    CScript inner = _createmultisig_redeemScript(pwalletMain, request.params);
     CScriptID innerID(inner);
     pwalletMain->AddCScript(inner);
 
@@ -1045,20 +1045,23 @@ UniValue addmultisigaddress(const JSONRPCRequest& request)
 class Witnessifier : public boost::static_visitor<bool>
 {
 public:
+    CWallet * const pwallet;
     CScriptID result;
 
+    Witnessifier(CWallet *_pwallet) : pwallet(_pwallet) {}
+
     bool operator()(const CNoDestination &dest) const { return false; }
 
     bool operator()(const CKeyID &keyID) {
         CPubKey pubkey;
-        if (pwalletMain) {
+        if (pwallet) {
             CScript basescript = GetScriptForDestination(keyID);
             isminetype typ;
-            typ = IsMine(*pwalletMain, basescript, SIGVERSION_WITNESS_V0);
+            typ = IsMine(*pwallet, basescript, SIGVERSION_WITNESS_V0);
             if (typ != ISMINE_SPENDABLE && typ != ISMINE_WATCH_SOLVABLE)
                 return false;
             CScript witscript = GetScriptForWitness(basescript);
-            pwalletMain->AddCScript(witscript);
+            pwallet->AddCScript(witscript);
             result = CScriptID(witscript);
             return true;
         }
@@ -1067,7 +1070,7 @@ public:
 
     bool operator()(const CScriptID &scriptID) {
         CScript subscript;
-        if (pwalletMain && pwalletMain->GetCScript(scriptID, subscript)) {
+        if (pwallet && pwallet->GetCScript(scriptID, subscript)) {
             int witnessversion;
             std::vector<unsigned char> witprog;
             if (subscript.IsWitnessProgram(witnessversion, witprog)) {
@@ -1075,11 +1078,11 @@ public:
                 return true;
             }
             isminetype typ;
-            typ = IsMine(*pwalletMain, subscript, SIGVERSION_WITNESS_V0);
+            typ = IsMine(*pwallet, subscript, SIGVERSION_WITNESS_V0);
             if (typ != ISMINE_SPENDABLE && typ != ISMINE_WATCH_SOLVABLE)
                 return false;
             CScript witscript = GetScriptForWitness(subscript);
-            pwalletMain->AddCScript(witscript);
+            pwallet->AddCScript(witscript);
             result = CScriptID(witscript);
             return true;
         }
@@ -1089,7 +1092,7 @@ public:
 
 UniValue addwitnessaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 1)
@@ -1119,7 +1122,7 @@ UniValue addwitnessaddress(const JSONRPCRequest& request)
     if (!address.IsValid())
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
 
-    Witnessifier w;
+    Witnessifier w(pwalletMain);
     CTxDestination dest = address.Get();
     bool ret = boost::apply_visitor(w, dest);
     if (!ret) {
@@ -1145,7 +1148,7 @@ struct tallyitem
     }
 };
 
-UniValue ListReceived(const UniValue& params, bool fByAccounts)
+UniValue ListReceived(CWallet * const pwallet, const UniValue& params, bool fByAccounts)
 {
     // Minimum confirmations
     int nMinDepth = 1;
@@ -1164,7 +1167,7 @@ UniValue ListReceived(const UniValue& params, bool fByAccounts)
 
     // Tally
     map<CBitcoinAddress, tallyitem> mapTally;
-    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
+    for (map<uint256, CWalletTx>::iterator it = pwallet->mapWallet.begin(); it != pwallet->mapWallet.end(); ++it)
     {
         const CWalletTx& wtx = (*it).second;
 
@@ -1181,7 +1184,7 @@ UniValue ListReceived(const UniValue& params, bool fByAccounts)
             if (!ExtractDestination(txout.scriptPubKey, address))
                 continue;
 
-            isminefilter mine = IsMine(*pwalletMain, address);
+            isminefilter mine = IsMine(*pwallet, address);
             if(!(mine & filter))
                 continue;
 
@@ -1197,7 +1200,7 @@ UniValue ListReceived(const UniValue& params, bool fByAccounts)
     // Reply
     UniValue ret(UniValue::VARR);
     map<string, tallyitem> mapAccountTally;
-    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, CAddressBookData)& item, pwalletMain->mapAddressBook)
+    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, CAddressBookData)& item, pwallet->mapAddressBook)
     {
         const CBitcoinAddress& address = item.first;
         const string& strAccount = item.second.name;
@@ -1267,7 +1270,7 @@ UniValue ListReceived(const UniValue& params, bool fByAccounts)
 
 UniValue listreceivedbyaddress(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 3)
@@ -1304,12 +1307,12 @@ UniValue listreceivedbyaddress(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    return ListReceived(request.params, false);
+    return ListReceived(pwalletMain, request.params, false);
 }
 
 UniValue listreceivedbyaccount(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 3)
@@ -1341,7 +1344,7 @@ UniValue listreceivedbyaccount(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
-    return ListReceived(request.params, true);
+    return ListReceived(pwalletMain, request.params, true);
 }
 
 static void MaybePushAddress(UniValue & entry, const CTxDestination &dest)
@@ -1351,7 +1354,7 @@ static void MaybePushAddress(UniValue & entry, const CTxDestination &dest)
         entry.push_back(Pair("address", addr.ToString()));
 }
 
-void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, UniValue& ret, const isminefilter& filter)
+void ListTransactions(CWallet * const pwallet, const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, UniValue& ret, const isminefilter& filter)
 {
     CAmount nFee;
     string strSentAccount;
@@ -1369,14 +1372,14 @@ void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDe
         BOOST_FOREACH(const COutputEntry& s, listSent)
         {
             UniValue entry(UniValue::VOBJ);
-            if(involvesWatchonly || (::IsMine(*pwalletMain, s.destination) & ISMINE_WATCH_ONLY))
+            if(involvesWatchonly || (::IsMine(*pwallet, s.destination) & ISMINE_WATCH_ONLY))
                 entry.push_back(Pair("involvesWatchonly", true));
             entry.push_back(Pair("account", strSentAccount));
             MaybePushAddress(entry, s.destination);
             entry.push_back(Pair("category", "send"));
             entry.push_back(Pair("amount", ValueFromAmount(-s.amount)));
-            if (pwalletMain->mapAddressBook.count(s.destination))
-                entry.push_back(Pair("label", pwalletMain->mapAddressBook[s.destination].name));
+            if (pwallet->mapAddressBook.count(s.destination))
+                entry.push_back(Pair("label", pwallet->mapAddressBook[s.destination].name));
             entry.push_back(Pair("vout", s.vout));
             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
             if (fLong)
@@ -1392,12 +1395,12 @@ void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDe
         BOOST_FOREACH(const COutputEntry& r, listReceived)
         {
             string account;
-            if (pwalletMain->mapAddressBook.count(r.destination))
-                account = pwalletMain->mapAddressBook[r.destination].name;
+            if (pwallet->mapAddressBook.count(r.destination))
+                account = pwallet->mapAddressBook[r.destination].name;
             if (fAllAccounts || (account == strAccount))
             {
                 UniValue entry(UniValue::VOBJ);
-                if(involvesWatchonly || (::IsMine(*pwalletMain, r.destination) & ISMINE_WATCH_ONLY))
+                if(involvesWatchonly || (::IsMine(*pwallet, r.destination) & ISMINE_WATCH_ONLY))
                     entry.push_back(Pair("involvesWatchonly", true));
                 entry.push_back(Pair("account", account));
                 MaybePushAddress(entry, r.destination);
@@ -1415,7 +1418,7 @@ void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDe
                     entry.push_back(Pair("category", "receive"));
                 }
                 entry.push_back(Pair("amount", ValueFromAmount(r.amount)));
-                if (pwalletMain->mapAddressBook.count(r.destination))
+                if (pwallet->mapAddressBook.count(r.destination))
                     entry.push_back(Pair("label", account));
                 entry.push_back(Pair("vout", r.vout));
                 if (fLong)
@@ -1445,7 +1448,7 @@ void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Un
 
 UniValue listtransactions(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 4)
@@ -1538,7 +1541,7 @@ UniValue listtransactions(const JSONRPCRequest& request)
     {
         CWalletTx *const pwtx = (*it).second.first;
         if (pwtx != 0)
-            ListTransactions(*pwtx, strAccount, 0, true, ret, filter);
+            ListTransactions(pwalletMain, *pwtx, strAccount, 0, true, ret, filter);
         CAccountingEntry *const pacentry = (*it).second.second;
         if (pacentry != 0)
             AcentryToJSON(*pacentry, strAccount, ret);
@@ -1573,7 +1576,7 @@ UniValue listtransactions(const JSONRPCRequest& request)
 
 UniValue listaccounts(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 2)
@@ -1652,7 +1655,7 @@ UniValue listaccounts(const JSONRPCRequest& request)
 
 UniValue listsinceblock(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp)
@@ -1743,7 +1746,7 @@ UniValue listsinceblock(const JSONRPCRequest& request)
         CWalletTx tx = (*it).second;
 
         if (depth == -1 || tx.GetDepthInMainChain() < depth)
-            ListTransactions(tx, "*", 0, true, transactions, filter);
+            ListTransactions(pwalletMain, tx, "*", 0, true, transactions, filter);
     }
 
     CBlockIndex *pblockLast = chainActive[chainActive.Height() + 1 - target_confirms];
@@ -1758,7 +1761,7 @@ UniValue listsinceblock(const JSONRPCRequest& request)
 
 UniValue gettransaction(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
@@ -1833,7 +1836,7 @@ UniValue gettransaction(const JSONRPCRequest& request)
     WalletTxToJSON(wtx, entry);
 
     UniValue details(UniValue::VARR);
-    ListTransactions(wtx, "*", 0, false, details, filter);
+    ListTransactions(pwalletMain, wtx, "*", 0, false, details, filter);
     entry.push_back(Pair("details", details));
 
     string strHex = EncodeHexTx(static_cast<CTransaction>(wtx), RPCSerializationFlags());
@@ -1844,7 +1847,7 @@ UniValue gettransaction(const JSONRPCRequest& request)
 
 UniValue abandontransaction(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 1)
@@ -1879,7 +1882,7 @@ UniValue abandontransaction(const JSONRPCRequest& request)
 
 UniValue backupwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 1)
@@ -1905,14 +1908,14 @@ UniValue backupwallet(const JSONRPCRequest& request)
 
 UniValue keypoolrefill(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 1)
         throw runtime_error(
             "keypoolrefill ( newsize )\n"
             "\nFills the keypool."
-            + HelpRequiringPassphrase() + "\n"
+            + HelpRequiringPassphrase(pwalletMain) + "\n"
             "\nArguments\n"
             "1. newsize     (numeric, optional, default=100) The new keypool size\n"
             "\nExamples:\n"
@@ -1930,7 +1933,7 @@ UniValue keypoolrefill(const JSONRPCRequest& request)
         kpSize = (unsigned int)request.params[0].get_int();
     }
 
-    EnsureWalletIsUnlocked();
+    EnsureWalletIsUnlocked(pwalletMain);
     pwalletMain->TopUpKeyPool(kpSize);
 
     if (pwalletMain->GetKeyPoolSize() < kpSize)
@@ -1949,7 +1952,7 @@ static void LockWallet(CWallet* pWallet)
 
 UniValue walletpassphrase(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 2))
@@ -2009,7 +2012,7 @@ UniValue walletpassphrase(const JSONRPCRequest& request)
 
 UniValue walletpassphrasechange(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 2))
@@ -2055,7 +2058,7 @@ UniValue walletpassphrasechange(const JSONRPCRequest& request)
 
 UniValue walletlock(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 0))
@@ -2094,7 +2097,7 @@ UniValue walletlock(const JSONRPCRequest& request)
 
 UniValue encryptwallet(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (!pwalletMain->IsCrypted() && (request.fHelp || request.params.size() != 1))
@@ -2151,7 +2154,7 @@ UniValue encryptwallet(const JSONRPCRequest& request)
 
 UniValue lockunspent(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
@@ -2240,7 +2243,7 @@ UniValue lockunspent(const JSONRPCRequest& request)
 
 UniValue listlockunspent(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 0)
@@ -2289,7 +2292,7 @@ UniValue listlockunspent(const JSONRPCRequest& request)
 
 UniValue settxfee(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 1)
@@ -2316,7 +2319,7 @@ UniValue settxfee(const JSONRPCRequest& request)
 
 UniValue getwalletinfo(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 0)
@@ -2362,7 +2365,7 @@ UniValue getwalletinfo(const JSONRPCRequest& request)
 
 UniValue resendwallettransactions(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() != 0)
@@ -2390,7 +2393,7 @@ UniValue resendwallettransactions(const JSONRPCRequest& request)
 
 UniValue listunspent(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() > 4)
@@ -2514,7 +2517,7 @@ UniValue listunspent(const JSONRPCRequest& request)
 
 UniValue fundrawtransaction(const JSONRPCRequest& request)
 {
-    if (!EnsureWalletIsAvailable(request.fHelp))
+    if (!EnsureWalletIsAvailable(pwalletMain, request.fHelp))
         return NullUniValue;
 
     if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
@@ -2674,7 +2677,7 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
 // calculation, but we should be able to refactor after priority is removed).
 // NOTE: this requires that all inputs must be in mapWallet (eg the tx should
 // be IsAllFromMe).
-int64_t CalculateMaximumSignedTxSize(const CTransaction &tx)
+int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, CWallet &wallet)
 {
     CMutableTransaction txNew(tx);
     std::vector<pair<CWalletTx *, unsigned int>> vCoins;
@@ -2682,11 +2685,11 @@ int64_t CalculateMaximumSignedTxSize(const CTransaction &tx)
     // IsAllFromMe(ISMINE_SPENDABLE), so every input should already be in our
     // wallet, with a valid index into the vout array.
     for (auto& input : tx.vin) {
-        const auto mi = pwalletMain->mapWallet.find(input.prevout.hash);
-        assert(mi != pwalletMain->mapWallet.end() && input.prevout.n < mi->second.tx->vout.size());
+        const auto mi = wallet.mapWallet.find(input.prevout.hash);
+        assert(mi != wallet.mapWallet.end() && input.prevout.n < mi->second.tx->vout.size());
         vCoins.emplace_back(make_pair(&(mi->second), input.prevout.n));
     }
-    if (!pwalletMain->DummySignTx(txNew, vCoins)) {
+    if (!wallet.DummySignTx(txNew, vCoins)) {
         // This should never happen, because IsAllFromMe(ISMINE_SPENDABLE)
         // implies that we can sign for every input.
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction contains inputs that cannot be signed");
@@ -2802,7 +2805,7 @@ UniValue bumpfee(const JSONRPCRequest& request)
 
     // Calculate the expected size of the new transaction.
     int64_t txSize = GetVirtualTransactionSize(*(wtx.tx));
-    const int64_t maxNewTxSize = CalculateMaximumSignedTxSize(*wtx.tx);
+    const int64_t maxNewTxSize = CalculateMaximumSignedTxSize(*wtx.tx, *pwallet);
 
     // optional parameters
     bool specifiedConfirmTarget = false;