Merge #12977: Refactor g_wallet_init_interface to const reference

6ec78f1 wallet: Refactor g_wallet_init_interface to const reference (João Barbosa)
1936125 wallet: Make WalletInitInterface members const (João Barbosa)

Pull request description:

Tree-SHA512: c382156a38d4c6beaa6c48f911d7b314542b9500d88724b2b3029dae4491cb1e60e10628f6632d1366818ccf343f494650b3171593b5450149544ba198f49bb5

1 files changed, 19 insertions, 20 deletions

diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp
index b6f4a0e1e1..2fd9aa1a6f 100644
--- a/src/wallet/init.cpp
+++ b/src/wallet/init.cpp
@@ -18,39 +18,38 @@ class WalletInit : public WalletInitInterface {
 public:
 
     //! Return the wallets help message.
-    std::string GetHelpString(bool showDebug) override;
+    std::string GetHelpString(bool showDebug) const override;
 
     //! Wallets parameter interaction
-    bool ParameterInteraction() override;
+    bool ParameterInteraction() const override;
 
     //! Register wallet RPCs.
-    void RegisterRPC(CRPCTable &tableRPC) override;
+    void RegisterRPC(CRPCTable &tableRPC) const override;
 
     //! Responsible for reading and validating the -wallet arguments and verifying the wallet database.
     //  This function will perform salvage on the wallet if requested, as long as only one wallet is
     //  being loaded (WalletParameterInteraction forbids -salvagewallet, -zapwallettxes or -upgradewallet with multiwallet).
-    bool Verify() override;
+    bool Verify() const override;
 
     //! Load wallet databases.
-    bool Open() override;
+    bool Open() const override;
 
     //! Complete startup of wallets.
-    void Start(CScheduler& scheduler) override;
+    void Start(CScheduler& scheduler) const override;
 
     //! Flush all wallets in preparation for shutdown.
-    void Flush() override;
+    void Flush() const override;
 
     //! Stop all wallets. Wallets will be flushed first.
-    void Stop() override;
+    void Stop() const override;
 
     //! Close all wallets.
-    void Close() override;
+    void Close() const override;
 };
 
-static WalletInit g_wallet_init;
-WalletInitInterface* const g_wallet_init_interface = &g_wallet_init;
+const WalletInitInterface& g_wallet_init_interface = WalletInit();
 
-std::string WalletInit::GetHelpString(bool showDebug)
+std::string WalletInit::GetHelpString(bool showDebug) const
 {
     std::string strUsage = HelpMessageGroup(_("Wallet options:"));
     strUsage += HelpMessageOpt("-addresstype", strprintf("What type of addresses to use (\"legacy\", \"p2sh-segwit\", or \"bech32\", default: \"%s\")", FormatOutputType(DEFAULT_ADDRESS_TYPE)));
@@ -92,7 +91,7 @@ std::string WalletInit::GetHelpString(bool showDebug)
     return strUsage;
 }
 
-bool WalletInit::ParameterInteraction()
+bool WalletInit::ParameterInteraction() const
 {
     if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
         for (const std::string& wallet : gArgs.GetArgs("-wallet")) {
@@ -220,7 +219,7 @@ bool WalletInit::ParameterInteraction()
     return true;
 }
 
-void WalletInit::RegisterRPC(CRPCTable &t)
+void WalletInit::RegisterRPC(CRPCTable &t) const
 {
     if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
         return;
@@ -229,7 +228,7 @@ void WalletInit::RegisterRPC(CRPCTable &t)
     RegisterWalletRPCCommands(t);
 }
 
-bool WalletInit::Verify()
+bool WalletInit::Verify() const
 {
     if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
         return true;
@@ -304,7 +303,7 @@ bool WalletInit::Verify()
     return true;
 }
 
-bool WalletInit::Open()
+bool WalletInit::Open() const
 {
     if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
         LogPrintf("Wallet disabled!\n");
@@ -322,28 +321,28 @@ bool WalletInit::Open()
     return true;
 }
 
-void WalletInit::Start(CScheduler& scheduler)
+void WalletInit::Start(CScheduler& scheduler) const
 {
     for (CWalletRef pwallet : vpwallets) {
         pwallet->postInitProcess(scheduler);
     }
 }
 
-void WalletInit::Flush()
+void WalletInit::Flush() const
 {
     for (CWalletRef pwallet : vpwallets) {
         pwallet->Flush(false);
     }
 }
 
-void WalletInit::Stop()
+void WalletInit::Stop() const
 {
     for (CWalletRef pwallet : vpwallets) {
         pwallet->Flush(true);
     }
 }
 
-void WalletInit::Close()
+void WalletInit::Close() const
 {
     for (CWalletRef pwallet : vpwallets) {
         delete pwallet;