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-rw-r--r--src/index/txindex.cpp24
-rw-r--r--src/index/txindex.h6
2 files changed, 30 insertions, 0 deletions
diff --git a/src/index/txindex.cpp b/src/index/txindex.cpp
index 82798fbcc1..484526a6d9 100644
--- a/src/index/txindex.cpp
+++ b/src/index/txindex.cpp
@@ -228,6 +228,30 @@ void TxIndex::SetBestChain(const CBlockLocator& locator)
}
}
+bool TxIndex::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: txindex is catching up on block notifications\n", __func__);
+ SyncWithValidationInterfaceQueue();
+ return true;
+}
+
bool TxIndex::FindTx(const uint256& txid, CDiskTxPos& pos) const
{
return m_db->ReadTxPos(txid, pos);
diff --git a/src/index/txindex.h b/src/index/txindex.h
index 633aee46ce..e1f1b17676 100644
--- a/src/index/txindex.h
+++ b/src/index/txindex.h
@@ -63,6 +63,12 @@ public:
/// Destructor interrupts sync thread if running and blocks until it exits.
~TxIndex();
+ /// Blocks the current thread until the transaction index is caught up to
+ /// the current state of the block chain. This only blocks if the index has gotten in sync once
+ /// and only needs to process blocks in the ValidationInterface queue. If the index is catching
+ /// up from far behind, this method does not block and immediately returns false.
+ bool BlockUntilSyncedToCurrentChain();
+
/// Look up the on-disk location of a transaction by hash.
bool FindTx(const uint256& txid, CDiskTxPos& pos) const;