refactor, txdb: Use DBParams struct in CBlockTreeDB

Use DBParams struct to remove ArgsManager uses from txdb.

To reduce size of this commit, this moves references to gArgs variable out of
txdb.cpp to calling code in chainstate.cpp. But these moves are temporary. The
gArgs references in chainstate.cpp are moved out to calling code in init.cpp in
later commits.

This commit does not change behavior.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/test/util/setup_common.cpp b/src/test/util/setup_common.cpp
index 6e72f69968..2318380c6e 100644
--- a/src/test/util/setup_common.cpp
+++ b/src/test/util/setup_common.cpp
@@ -184,7 +184,10 @@ ChainTestingSetup::ChainTestingSetup(const std::string& chainName, const std::ve
         .check_block_index = true,
     };
     m_node.chainman = std::make_unique<ChainstateManager>(chainman_opts);
-    m_node.chainman->m_blockman.m_block_tree_db = std::make_unique<CBlockTreeDB>(m_cache_sizes.block_tree_db, true);
+    m_node.chainman->m_blockman.m_block_tree_db = std::make_unique<CBlockTreeDB>(DBParams{
+        .path = m_args.GetDataDirNet() / "blocks" / "index",
+        .cache_bytes = static_cast<size_t>(m_cache_sizes.block_tree_db),
+        .memory_only = true});
 
     constexpr int script_check_threads = 2;
     StartScriptCheckWorkerThreads(script_check_threads);