highperfocused/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-11-13 07:28:59 +01:00
Code Issues Packages Projects Releases Wiki Activity

Batch block connection during IBD

Browse Source 
During the initial block download (or -loadblock), delay connection
of new blocks a bit, and perform them in a single action. This reduces
the load on the database engine, as subsequent blocks often update an
earlier block's transaction already.
This commit is contained in:
Pieter Wuille
2012-07-06 16:33:34 +02:00
parent 450cbb0944
commit ae8bfd12da
10 changed files with 183 additions and 171 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/rpcrawtransaction.cpp
View File

@@ -339,9 +339,8 @@ Value signrawtransaction(const Array& params, bool fHelp)
CCoinsViewCache view(viewDummy);
{
LOCK(mempool.cs);
CCoinsDB coinsdb("r");
CCoinsViewDB viewDB(coinsdb);
CCoinsViewMemPool viewMempool(viewDB, mempool);
CCoinsViewCache &viewChain = *pcoinsTip;
CCoinsViewMemPool viewMempool(viewChain, mempool);
view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view
BOOST_FOREACH(const CTxIn& txin, mergedTx.vin) {
@@ -350,7 +349,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
view.GetCoins(prevHash, coins); // this is certainly allowed to fail
}
view.SetBackend(viewDummy); // switch back to avoid locking db/mempool too long
view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long
}
// Add previous txouts given in the RPC call:
@@ -502,17 +501,13 @@ Value sendrawtransaction(const Array& params, bool fHelp)
uint256 hashTx = tx.GetHash();
bool fHave = false;
CCoinsViewCache &view = *pcoinsTip;
CCoins existingCoins;
{
CCoinsDB coinsdb("r");
{
CCoinsViewDB coinsviewDB(coinsdb);
CCoinsViewMemPool coinsview(coinsviewDB, mempool);
fHave = coinsview.GetCoins(hashTx, existingCoins);
}
fHave = view.GetCoins(hashTx, existingCoins);
if (!fHave) {
// push to local node
if (!tx.AcceptToMemoryPool(coinsdb))
if (!tx.AcceptToMemoryPool())
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX rejected");
}
}