scripted-diff: Rename interfaces::WalletClient to interfaces::WalletLoader

Name has been confusing since it was introduced, and it was pointed in
recent review club as https://bitcoincore.reviews/10102 that it was
particularly unclear how interfaces::WalletClient was different from
interfaces::Wallet.

-BEGIN VERIFY SCRIPT-
ren() { git grep -l "$1" src | xargs sed -i "s/$1/$2/g"; }
ren WalletClient WalletLoader
ren walletClient walletLoader
ren wallet_client wallet_loader
ren "wallet clients release the wallet" "wallet pointer owners release the wallet"
ren "wallet client" "wallet loader"
ren "Wallet client" "Wallet loader"
-END VERIFY SCRIPT-

src/interfaces/init.cpp

@@ -11,7 +11,7 @@
 namespace interfaces {
 std::unique_ptr<Node> Init::makeNode() { return {}; }
 std::unique_ptr<Chain> Init::makeChain() { return {}; }
-std::unique_ptr<WalletClient> Init::makeWalletClient(Chain& chain) { return {}; }
+std::unique_ptr<WalletLoader> Init::makeWalletLoader(Chain& chain) { return {}; }
 std::unique_ptr<Echo> Init::makeEcho() { return {}; }
 Ipc* Init::ipc() { return nullptr; }
 } // namespace interfaces

src/interfaces/init.h

@@ -14,7 +14,7 @@ class Chain;
 class Echo;
 class Ipc;
 class Node;
-class WalletClient;
+class WalletLoader;
 
 //! Initial interface created when a process is first started, and used to give
 //! and get access to other interfaces (Node, Chain, Wallet, etc).
@@ -29,7 +29,7 @@ public:
     virtual ~Init() = default;
     virtual std::unique_ptr<Node> makeNode();
     virtual std::unique_ptr<Chain> makeChain();
-    virtual std::unique_ptr<WalletClient> makeWalletClient(Chain& chain);
+    virtual std::unique_ptr<WalletLoader> makeWalletLoader(Chain& chain);
     virtual std::unique_ptr<Echo> makeEcho();
     virtual Ipc* ipc();
 };

src/interfaces/node.h

@@ -37,7 +37,7 @@ struct bilingual_str;
 
 namespace interfaces {
 class Handler;
-class WalletClient;
+class WalletLoader;
 struct BlockTip;
 
 //! Block and header tip information
@@ -187,8 +187,8 @@ public:
     //! Broadcast transaction.
     virtual TransactionError broadcastTransaction(CTransactionRef tx, CAmount max_tx_fee, std::string& err_string) = 0;
 
-    //! Get wallet client.
-    virtual WalletClient& walletClient() = 0;
+    //! Get wallet loader.
+    virtual WalletLoader& walletLoader() = 0;
 
     //! Register handler for init messages.
     using InitMessageFn = std::function<void(const std::string& message)>;
@@ -210,7 +210,7 @@ public:
     using ShowProgressFn = std::function<void(const std::string& title, int progress, bool resume_possible)>;
     virtual std::unique_ptr<Handler> handleShowProgress(ShowProgressFn fn) = 0;
 
-    //! Register handler for wallet client constructed messages.
+    //! Register handler for wallet loader constructed messages.
     using InitWalletFn = std::function<void()>;
     virtual std::unique_ptr<Handler> handleInitWallet(InitWalletFn fn) = 0;
 

src/interfaces/wallet.h

@@ -313,7 +313,7 @@ public:
 //! Wallet chain client that in addition to having chain client methods for
 //! starting up, shutting down, and registering RPCs, also has additional
 //! methods (called by the GUI) to load and create wallets.
-class WalletClient : public ChainClient
+class WalletLoader : public ChainClient
 {
 public:
     //! Create new wallet.
@@ -422,9 +422,9 @@ struct WalletTxOut
 //! dummywallet.cpp and throws if the wallet component is not compiled.
 std::unique_ptr<Wallet> MakeWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet);
 
-//! Return implementation of ChainClient interface for a wallet client. This
+//! Return implementation of ChainClient interface for a wallet loader. This
 //! function will be undefined in builds where ENABLE_WALLET is false.
-std::unique_ptr<WalletClient> MakeWalletClient(Chain& chain, ArgsManager& args);
+std::unique_ptr<WalletLoader> MakeWalletLoader(Chain& chain, ArgsManager& args);
 
 } // namespace interfaces