Move common global init code to init/common

src/init/common.cpp

@@ -0,0 +1,30 @@
+// Copyright (c) 2021 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 <crypto/sha256.h>
+#include <key.h>
+#include <logging.h>
+#include <pubkey.h>
+#include <random.h>
+
+#include <memory>
+
+static std::unique_ptr<ECCVerifyHandle> globalVerifyHandle;
+
+namespace init {
+void SetGlobals()
+{
+    std::string sha256_algo = SHA256AutoDetect();
+    LogPrintf("Using the '%s' SHA256 implementation\n", sha256_algo);
+    RandomInit();
+    ECC_Start();
+    globalVerifyHandle.reset(new ECCVerifyHandle());
+}
+
+void UnsetGlobals()
+{
+    globalVerifyHandle.reset();
+    ECC_Stop();
+}
+} // namespace init