test: Create test fixture for wallet

Removes all the `#ifdef ENABLE_WALLET` from `test_bitcoin` by
making the wallet tests use their own fixture.

src/test/test_bitcoin.cpp

@@ -19,10 +19,6 @@
 #include "ui_interface.h"
 #include "rpc/server.h"
 #include "rpc/register.h"
-#ifdef ENABLE_WALLET
-#include "wallet/db.h"
-#include "wallet/wallet.h"
-#endif
 
 #include "test/testutil.h"
 
@@ -57,10 +53,6 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
         // Ideally we'd move all the RPC tests to the functional testing framework
         // instead of unit tests, but for now we need these here.
         RegisterAllCoreRPCCommands(tableRPC);
-#ifdef ENABLE_WALLET
-        bitdb.MakeMock();
-        RegisterWalletRPCCommands(tableRPC);
-#endif
         ClearDatadirCache();
         pathTemp = GetTempPath() / strprintf("test_bitcoin_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));
         boost::filesystem::create_directories(pathTemp);
@@ -69,12 +61,6 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
         pcoinsdbview = new CCoinsViewDB(1 << 23, true);
         pcoinsTip = new CCoinsViewCache(pcoinsdbview);
         InitBlockIndex(chainparams);
-#ifdef ENABLE_WALLET
-        bool fFirstRun;
-        pwalletMain = new CWallet("wallet.dat");
-        pwalletMain->LoadWallet(fFirstRun);
-        RegisterValidationInterface(pwalletMain);
-#endif
         nScriptCheckThreads = 3;
         for (int i=0; i < nScriptCheckThreads-1; i++)
             threadGroup.create_thread(&ThreadScriptCheck);
@@ -86,19 +72,10 @@ TestingSetup::~TestingSetup()
         UnregisterNodeSignals(GetNodeSignals());
         threadGroup.interrupt_all();
         threadGroup.join_all();
-#ifdef ENABLE_WALLET
-        UnregisterValidationInterface(pwalletMain);
-        delete pwalletMain;
-        pwalletMain = NULL;
-#endif
         UnloadBlockIndex();
         delete pcoinsTip;
         delete pcoinsdbview;
         delete pblocktree;
-#ifdef ENABLE_WALLET
-        bitdb.Flush(true);
-        bitdb.Reset();
-#endif
         boost::filesystem::remove_all(pathTemp);
 }