Refactor mn_rpc file and split into different categories based on RPC types

src/Makefile.am

@@ -164,6 +164,7 @@ DEFI_CORE_H = \
   masternodes/incentivefunding.h \
   masternodes/masternodes.h \
   masternodes/mn_checks.h \
+  masternodes/mn_rpc.h \
   masternodes/res.h \
   masternodes/rewardhistoryold.h \
   masternodes/tokens.h \
@@ -373,6 +374,10 @@ libdefi_server_a_SOURCES = \
   masternodes/masternodes.cpp \
   masternodes/mn_checks.cpp \
   masternodes/mn_rpc.cpp \
+  masternodes/rpc_masternodes.cpp \
+  masternodes/rpc_accounts.cpp \
+  masternodes/rpc_tokens.cpp \
+  masternodes/rpc_poolpair.cpp \
   masternodes/tokens.cpp \
   masternodes/poolpairs.cpp \
   masternodes/undos.cpp \

src/masternodes/mn_rpc.h

@@ -0,0 +1,77 @@
+#ifndef DEFI_MASTERNODES_MN_RPC_H
+#define DEFI_MASTERNODES_MN_RPC_H
+
+#include <arith_uint256.h>
+#include <univalue.h>
+
+#include <chainparams.h>
+#include <core_io.h>
+#include <validation.h>
+
+#include <masternodes/criminals.h>
+#include <masternodes/masternodes.h>
+#include <masternodes/mn_checks.h>
+
+#include <rpc/rawtransaction_util.h>
+#include <rpc/server.h>
+#include <rpc/util.h>
+
+//#ifdef ENABLE_WALLET
+#include <wallet/coincontrol.h>
+#include <wallet/fees.h>
+#include <wallet/rpcwallet.h>
+//#endif
+
+typedef enum {
+    // selecting accounts without sorting
+    SelectionForward,
+    // selecting accounts by ascending of sum token amounts
+    // it means that we select first accounts with min sum of
+    // neccessary token amounts
+    SelectionCrumbs,
+    // selecting accounts by descending of sum token amounts
+    // it means that we select first accounts with max sum of
+    // neccessary token amounts
+    SelectionPie,
+} AccountSelectionMode;
+
+// Special guarding object. Should be created before the first use of funding (straight or by GetAuthInputsSmart())
+struct LockedCoinsScopedGuard {
+    CWallet* const pwallet;
+    std::set<COutPoint> lockedCoinsBackup;
+
+    LockedCoinsScopedGuard(CWallet* const pwl) : pwallet(pwl)
+    {
+        LOCK(pwallet->cs_wallet);
+        lockedCoinsBackup = pwallet->setLockedCoins;
+    }
+
+    ~LockedCoinsScopedGuard()
+    {
+        LOCK(pwallet->cs_wallet);
+        if (lockedCoinsBackup.empty()) {
+            pwallet->UnlockAllCoins();
+        } else {
+            std::vector<COutPoint> diff;
+            std::set_difference(pwallet->setLockedCoins.begin(), pwallet->setLockedCoins.end(), lockedCoinsBackup.begin(), lockedCoinsBackup.end(), std::back_inserter(diff));
+            for (auto const& coin : diff) {
+                pwallet->UnlockCoin(coin);
+            }
+        }
+    }
+};
+
+// common functions
+int chainHeight(interfaces::Chain::Lock& locked_chain);
+std::vector<CTxIn> GetInputs(UniValue const& inputs);
+CMutableTransaction fund(CMutableTransaction& mtx, CWallet* const pwallet, CTransactionRef optAuthTx, CCoinControl* coin_control = nullptr, bool lockUnspents = false);
+CTransactionRef sign(CMutableTransaction& mtx, CWallet* const pwallet, CTransactionRef optAuthTx);
+CTransactionRef send(CTransactionRef tx, CTransactionRef optAuthTx);
+CTransactionRef signsend(CMutableTransaction& mtx, CWallet* const pwallet, CTransactionRef optAuthTx /* = {}*/);
+CWallet* GetWallet(const JSONRPCRequest& request);
+std::vector<CTxIn> GetAuthInputsSmart(CWallet* const pwallet, int32_t txVersion, std::set<CScript>& auths, bool needFounderAuth, CTransactionRef& optAuthTx, UniValue const& explicitInputs);
+std::string ScriptToString(CScript const& script);
+CAccounts GetAllMineAccounts(CWallet* const pwallet);
+CAccounts SelectAccountsByTargetBalances(const CAccounts& accounts, const CBalances& targetBalances, AccountSelectionMode selectionMode);
+
+#endif // DEFI_MASTERNODES_MN_RPC_H