Merge #15788: test: Unify testing setups for fuzz, bench, and unit tests

faf400077d scripted-diff: Bump copyright headers in test, bench (MarcoFalke)
fa821904bf scripted-diff: Rename test_bitcoin to test/setup_common (MarcoFalke)
fa8685d49e test: Use test_bitcoin setup in bench, Add test utils (MarcoFalke)
666696b673 test: Have segwit always active in (Basic)TestingSetup (MarcoFalke)

Pull request description:

  Now that the fuzz tests can use the BasicTestingSetup [1], do the same for bench.

  Also move some duplicate code to a common "test/util" module.

  [1]:  fuzz: Link BasicTestingSetup (shared with unit tests) #15504

ACKs for commit faf400:
  jonatack:
    ACK https://github.com/bitcoin/bitcoin/pull/15788/commits/faf400077d0144363c2dd24187431d958fb149a9

Tree-SHA512: 8ac5692e72cf50e460958f291643ae6b8bb04d5c1331ed50dce9eb4e9457e5a925144c532c42b360a26707e11eeece74aab27db8c76ab9a429b9dd7167e7cdc4

1 files changed, 34 insertions, 0 deletions

diff --git a/src/test/util.h b/src/test/util.h
new file mode 100644
index 0000000000..e51e924f65
--- /dev/null
+++ b/src/test/util.h
@@ -0,0 +1,34 @@
+// Copyright (c) 2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_TEST_UTIL_H
+#define BITCOIN_TEST_UTIL_H
+
+#include <memory>
+#include <string>
+
+class CBlock;
+class CScript;
+class CTxIn;
+class CWallet;
+
+// Lower-level utils //
+
+/** Returns the generated coin */
+CTxIn MineBlock(const CScript& coinbase_scriptPubKey);
+/** Prepare a block to be mined */
+std::shared_ptr<CBlock> PrepareBlock(const CScript& coinbase_scriptPubKey);
+
+
+// RPC-like //
+
+/** Import the address to the wallet */
+void importaddress(CWallet& wallet, const std::string& address);
+/** Returns a new address from the wallet */
+std::string getnewaddress(CWallet& w);
+/** Returns the generated coin */
+CTxIn generatetoaddress(const std::string& address);
+
+
+#endif // BITCOIN_TEST_UTIL_H