MOVEONLY: Move BaseIndex to its own file.

1 files changed, 0 insertions, 251 deletions

diff --git a/src/index/txindex.cpp b/src/index/txindex.cpp
index 4434ce3f21..7d3d2fed52 100644
--- a/src/index/txindex.cpp
+++ b/src/index/txindex.cpp
@@ -2,40 +2,14 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <chainparams.h>
 #include <index/txindex.h>
-#include <init.h>
-#include <tinyformat.h>
-#include <ui_interface.h>
 #include <util.h>
 #include <validation.h>
-#include <warnings.h>
-
-constexpr int64_t SYNC_LOG_INTERVAL = 30; // seconds
-constexpr int64_t SYNC_LOCATOR_WRITE_INTERVAL = 30; // seconds
 
 std::unique_ptr<TxIndex> g_txindex;
 
-template<typename... Args>
-static void FatalError(const char* fmt, const Args&... args)
-{
-    std::string strMessage = tfm::format(fmt, args...);
-    SetMiscWarning(strMessage);
-    LogPrintf("*** %s\n", strMessage);
-    uiInterface.ThreadSafeMessageBox(
-        "Error: A fatal internal error occurred, see debug.log for details",
-        "", CClientUIInterface::MSG_ERROR);
-    StartShutdown();
-}
-
 TxIndex::TxIndex(std::unique_ptr<TxIndexDB> db) : m_db(std::move(db)) {}
 
-BaseIndex::~BaseIndex()
-{
-    Interrupt();
-    Stop();
-}
-
 bool TxIndex::Init()
 {
     LOCK(cs_main);
@@ -50,94 +24,6 @@ bool TxIndex::Init()
     return BaseIndex::Init();
 }
 
-bool BaseIndex::Init()
-{
-    CBlockLocator locator;
-    if (!GetDB().ReadBestBlock(locator)) {
-        locator.SetNull();
-    }
-
-    LOCK(cs_main);
-    m_best_block_index = FindForkInGlobalIndex(chainActive, locator);
-    m_synced = m_best_block_index.load() == chainActive.Tip();
-    return true;
-}
-
-static const CBlockIndex* NextSyncBlock(const CBlockIndex* pindex_prev)
-{
-    AssertLockHeld(cs_main);
-
-    if (!pindex_prev) {
-        return chainActive.Genesis();
-    }
-
-    const CBlockIndex* pindex = chainActive.Next(pindex_prev);
-    if (pindex) {
-        return pindex;
-    }
-
-    return chainActive.Next(chainActive.FindFork(pindex_prev));
-}
-
-void BaseIndex::ThreadSync()
-{
-    const CBlockIndex* pindex = m_best_block_index.load();
-    if (!m_synced) {
-        auto& consensus_params = Params().GetConsensus();
-
-        int64_t last_log_time = 0;
-        int64_t last_locator_write_time = 0;
-        while (true) {
-            if (m_interrupt) {
-                WriteBestBlock(pindex);
-                return;
-            }
-
-            {
-                LOCK(cs_main);
-                const CBlockIndex* pindex_next = NextSyncBlock(pindex);
-                if (!pindex_next) {
-                    WriteBestBlock(pindex);
-                    m_best_block_index = pindex;
-                    m_synced = true;
-                    break;
-                }
-                pindex = pindex_next;
-            }
-
-            int64_t current_time = GetTime();
-            if (last_log_time + SYNC_LOG_INTERVAL < current_time) {
-                LogPrintf("Syncing %s with block chain from height %d\n",
-                          GetName(), pindex->nHeight);
-                last_log_time = current_time;
-            }
-
-            if (last_locator_write_time + SYNC_LOCATOR_WRITE_INTERVAL < current_time) {
-                WriteBestBlock(pindex);
-                last_locator_write_time = current_time;
-            }
-
-            CBlock block;
-            if (!ReadBlockFromDisk(block, pindex, consensus_params)) {
-                FatalError("%s: Failed to read block %s from disk",
-                           __func__, pindex->GetBlockHash().ToString());
-                return;
-            }
-            if (!WriteBlock(block, pindex)) {
-                FatalError("%s: Failed to write block %s to index database",
-                           __func__, pindex->GetBlockHash().ToString());
-                return;
-            }
-        }
-    }
-
-    if (pindex) {
-        LogPrintf("%s is enabled at height %d\n", GetName(), pindex->nHeight);
-    } else {
-        LogPrintf("%s is enabled\n", GetName());
-    }
-}
-
 bool TxIndex::WriteBlock(const CBlock& block, const CBlockIndex* pindex)
 {
     CDiskTxPos pos(pindex->GetBlockPos(), GetSizeOfCompactSize(block.vtx.size()));
@@ -152,115 +38,6 @@ bool TxIndex::WriteBlock(const CBlock& block, const CBlockIndex* pindex)
 
 BaseIndexDB& TxIndex::GetDB() const { return *m_db; }
 
-bool BaseIndex::WriteBestBlock(const CBlockIndex* block_index)
-{
-    LOCK(cs_main);
-    if (!GetDB().WriteBestBlock(chainActive.GetLocator(block_index))) {
-        return error("%s: Failed to write locator to disk", __func__);
-    }
-    return true;
-}
-
-void BaseIndex::BlockConnected(const std::shared_ptr<const CBlock>& block, const CBlockIndex* pindex,
-                               const std::vector<CTransactionRef>& txn_conflicted)
-{
-    if (!m_synced) {
-        return;
-    }
-
-    const CBlockIndex* best_block_index = m_best_block_index.load();
-    if (!best_block_index) {
-        if (pindex->nHeight != 0) {
-            FatalError("%s: First block connected is not the genesis block (height=%d)",
-                       __func__, pindex->nHeight);
-            return;
-        }
-    } else {
-        // Ensure block connects to an ancestor of the current best block. This should be the case
-        // most of the time, but may not be immediately after the sync thread catches up and sets
-        // m_synced. Consider the case where there is a reorg and the blocks on the stale branch are
-        // in the ValidationInterface queue backlog even after the sync thread has caught up to the
-        // new chain tip. In this unlikely event, log a warning and let the queue clear.
-        if (best_block_index->GetAncestor(pindex->nHeight - 1) != pindex->pprev) {
-            LogPrintf("%s: WARNING: Block %s does not connect to an ancestor of " /* Continued */
-                      "known best chain (tip=%s); not updating index\n",
-                      __func__, pindex->GetBlockHash().ToString(),
-                      best_block_index->GetBlockHash().ToString());
-            return;
-        }
-    }
-
-    if (WriteBlock(*block, pindex)) {
-        m_best_block_index = pindex;
-    } else {
-        FatalError("%s: Failed to write block %s to index",
-                   __func__, pindex->GetBlockHash().ToString());
-        return;
-    }
-}
-
-void BaseIndex::ChainStateFlushed(const CBlockLocator& locator)
-{
-    if (!m_synced) {
-        return;
-    }
-
-    const uint256& locator_tip_hash = locator.vHave.front();
-    const CBlockIndex* locator_tip_index;
-    {
-        LOCK(cs_main);
-        locator_tip_index = LookupBlockIndex(locator_tip_hash);
-    }
-
-    if (!locator_tip_index) {
-        FatalError("%s: First block (hash=%s) in locator was not found",
-                   __func__, locator_tip_hash.ToString());
-        return;
-    }
-
-    // This checks that ChainStateFlushed callbacks are received after BlockConnected. The check may fail
-    // immediately after the sync thread catches up and sets m_synced. Consider the case where
-    // there is a reorg and the blocks on the stale branch are in the ValidationInterface queue
-    // backlog even after the sync thread has caught up to the new chain tip. In this unlikely
-    // event, log a warning and let the queue clear.
-    const CBlockIndex* best_block_index = m_best_block_index.load();
-    if (best_block_index->GetAncestor(locator_tip_index->nHeight) != locator_tip_index) {
-        LogPrintf("%s: WARNING: Locator contains block (hash=%s) not on known best " /* Continued */
-                  "chain (tip=%s); not writing index locator\n",
-                  __func__, locator_tip_hash.ToString(),
-                  best_block_index->GetBlockHash().ToString());
-        return;
-    }
-
-    if (!GetDB().WriteBestBlock(locator)) {
-        error("%s: Failed to write locator to disk", __func__);
-    }
-}
-
-bool BaseIndex::BlockUntilSyncedToCurrentChain()
-{
-    AssertLockNotHeld(cs_main);
-
-    if (!m_synced) {
-        return false;
-    }
-
-    {
-        // Skip the queue-draining stuff if we know we're caught up with
-        // chainActive.Tip().
-        LOCK(cs_main);
-        const CBlockIndex* chain_tip = chainActive.Tip();
-        const CBlockIndex* best_block_index = m_best_block_index.load();
-        if (best_block_index->GetAncestor(chain_tip->nHeight) == chain_tip) {
-            return true;
-        }
-    }
-
-    LogPrintf("%s: %s is catching up on block notifications\n", __func__, GetName());
-    SyncWithValidationInterfaceQueue();
-    return true;
-}
-
 bool TxIndex::FindTx(const uint256& tx_hash, uint256& block_hash, CTransactionRef& tx) const
 {
     CDiskTxPos postx;
@@ -288,31 +65,3 @@ bool TxIndex::FindTx(const uint256& tx_hash, uint256& block_hash, CTransactionRe
     block_hash = header.GetHash();
     return true;
 }
-
-void BaseIndex::Interrupt()
-{
-    m_interrupt();
-}
-
-void BaseIndex::Start()
-{
-    // Need to register this ValidationInterface before running Init(), so that
-    // callbacks are not missed if Init sets m_synced to true.
-    RegisterValidationInterface(this);
-    if (!Init()) {
-        FatalError("%s: %s failed to initialize", __func__, GetName());
-        return;
-    }
-
-    m_thread_sync = std::thread(&TraceThread<std::function<void()>>, GetName(),
-                                std::bind(&BaseIndex::ThreadSync, this));
-}
-
-void BaseIndex::Stop()
-{
-    UnregisterValidationInterface(this);
-
-    if (m_thread_sync.joinable()) {
-        m_thread_sync.join();
-    }
-}