Remove direct bitcoin calls from qt/splashscreen.cpp

src/interface/wallet.cpp

@@ -0,0 +1,32 @@
+// Copyright (c) 2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <interface/wallet.h>
+
+#include <interface/handler.h>
+#include <wallet/wallet.h>
+
+#include <memory>
+
+namespace interface {
+namespace {
+
+class WalletImpl : public Wallet
+{
+public:
+    WalletImpl(CWallet& wallet) : m_wallet(wallet) {}
+
+    std::unique_ptr<Handler> handleShowProgress(ShowProgressFn fn) override
+    {
+        return MakeHandler(m_wallet.ShowProgress.connect(fn));
+    }
+
+    CWallet& m_wallet;
+};
+
+} // namespace
+
+std::unique_ptr<Wallet> MakeWallet(CWallet& wallet) { return MakeUnique<WalletImpl>(wallet); }
+
+} // namespace interface