scripted-diff: test: Move setup_common to test library

-BEGIN VERIFY SCRIPT-
 # Move files
 for f in $(git ls-files src/test/lib/); do git mv $f src/test/util/; done
 git mv src/test/setup_common.cpp                     src/test/util/
 git mv src/test/setup_common.h                       src/test/util/
 # Replace Windows paths
 sed -i -e 's|\\setup_common|\\util\\setup_common|g' $(git grep -l '\\setup_common')
 sed -i -e 's|src\\test\\lib\\|src\\test\\util\\|g'  build_msvc/test_bitcoin/test_bitcoin.vcxproj
 # Everything else
 sed -i -e 's|/setup_common|/util/setup_common|g'    $(git grep -l 'setup_common')
 sed -i -e 's|test/lib/|test/util/|g'                $(git grep -l 'test/lib/')
 # Fix include guard
 sed -i -e 's|BITCOIN_TEST_SETUP_COMMON_H|BITCOIN_TEST_UTIL_SETUP_COMMON_H|g' ./src/test/util/setup_common.h
 sed -i -e 's|BITCOIN_TEST_LIB_|BITCOIN_TEST_UTIL_|g'                     $(git grep -l 'BITCOIN_TEST_LIB_')
-END VERIFY SCRIPT-

1 files changed, 26 insertions, 0 deletions

diff --git a/src/test/util/blockfilter.cpp b/src/test/util/blockfilter.cpp
new file mode 100644
index 0000000000..bccff5e5a6
--- /dev/null
+++ b/src/test/util/blockfilter.cpp
@@ -0,0 +1,26 @@
+// 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.
+
+#include <test/util/blockfilter.h>
+
+#include <chainparams.h>
+#include <validation.h>
+
+
+bool ComputeFilter(BlockFilterType filter_type, const CBlockIndex* block_index, BlockFilter& filter)
+{
+    CBlock block;
+    if (!ReadBlockFromDisk(block, block_index->GetBlockPos(), Params().GetConsensus())) {
+        return false;
+    }
+
+    CBlockUndo block_undo;
+    if (block_index->nHeight > 0 && !UndoReadFromDisk(block_undo, block_index)) {
+        return false;
+    }
+
+    filter = BlockFilter(filter_type, block, block_undo);
+    return true;
+}
+