From e545dedf72bff2bd41c93c93eb576929fce37112 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Thu, 8 Jun 2017 11:08:53 -0400
Subject: Also call other wallet notify callbacks in scheduler thread

This runs Block{Connected,Disconnected}, SetBestChain, Inventory,
and TransactionAddedToMempool on the background scheduler thread.

Of those, only BlockConnected is used outside of Wallet/ZMQ, and
is used only for orphan transaction removal in net_processing,
something which does not need to be synchronous with anything
else.

This partially reverts #9583, re-enabling some of the gains from
 #7946. This does not, however, re-enable the gains achieved by
repeatedly releasing cs_main between each transaction processed.
---
 src/validationinterface.cpp | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

(limited to 'src/validationinterface.cpp')

diff --git a/src/validationinterface.cpp b/src/validationinterface.cpp
index f2b35d5627..c6a021119e 100644
--- a/src/validationinterface.cpp
+++ b/src/validationinterface.cpp
@@ -121,23 +121,33 @@ void CMainSignals::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockInd
 }
 
 void CMainSignals::TransactionAddedToMempool(const CTransactionRef &ptx) {
-    m_internals->TransactionAddedToMempool(ptx);
+    m_internals->m_schedulerClient.AddToProcessQueue([ptx, this] {
+        m_internals->TransactionAddedToMempool(ptx);
+    });
 }
 
-void CMainSignals::BlockConnected(const std::shared_ptr<const CBlock> &pblock, const CBlockIndex *pindex, const std::vector<CTransactionRef>& vtxConflicted) {
-    m_internals->BlockConnected(pblock, pindex, vtxConflicted);
+void CMainSignals::BlockConnected(const std::shared_ptr<const CBlock> &pblock, const CBlockIndex *pindex, const std::shared_ptr<const std::vector<CTransactionRef>>& pvtxConflicted) {
+    m_internals->m_schedulerClient.AddToProcessQueue([pblock, pindex, pvtxConflicted, this] {
+        m_internals->BlockConnected(pblock, pindex, *pvtxConflicted);
+    });
 }
 
 void CMainSignals::BlockDisconnected(const std::shared_ptr<const CBlock> &pblock) {
-    m_internals->BlockDisconnected(pblock);
+    m_internals->m_schedulerClient.AddToProcessQueue([pblock, this] {
+        m_internals->BlockDisconnected(pblock);
+    });
 }
 
 void CMainSignals::SetBestChain(const CBlockLocator &locator) {
-    m_internals->SetBestChain(locator);
+    m_internals->m_schedulerClient.AddToProcessQueue([locator, this] {
+        m_internals->SetBestChain(locator);
+    });
 }
 
 void CMainSignals::Inventory(const uint256 &hash) {
-    m_internals->Inventory(hash);
+    m_internals->m_schedulerClient.AddToProcessQueue([hash, this] {
+        m_internals->Inventory(hash);
+    });
 }
 
 void CMainSignals::Broadcast(int64_t nBestBlockTime, CConnman* connman) {
-- 
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