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| author | Gavin Andresen <[email protected]> | 2012-05-17 10:12:04 -0400 |
|---|---|---|
| committer | Gavin Andresen <[email protected]> | 2012-05-18 10:41:17 -0400 |
| commit | 7a15109c043f8182cc996bf762f0a62c72646ff9 (patch) | |
| tree | 16c2d6a1b223b8efa02ac8f5b05bc53555bba53d /src/main.cpp | |
| parent | Optimize orphan transaction handling (diff) | |
| download | discoin-7a15109c043f8182cc996bf762f0a62c72646ff9.tar.xz discoin-7a15109c043f8182cc996bf762f0a62c72646ff9.zip | |
Remove invalid dependent orphans from memory
Remove orphan transactions from memory once
all of their parent transactions are received
and they're still not valid.
Thanks to Sergio Demian Lerner for suggesting this fix.
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/main.cpp b/src/main.cpp index 59d8bc801..a878d1e5b 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -2564,6 +2564,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) else if (strCommand == "tx") { vector<uint256> vWorkQueue; + vector<uint256> vEraseQueue; CDataStream vMsg(vRecv); CTxDB txdb("r"); CTransaction tx; @@ -2579,6 +2580,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) RelayMessage(inv, vMsg); mapAlreadyAskedFor.erase(inv); vWorkQueue.push_back(inv.hash); + vEraseQueue.push_back(inv.hash); // Recursively process any orphan transactions that depended on this one for (unsigned int i = 0; i < vWorkQueue.size(); i++) @@ -2592,19 +2594,27 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) CTransaction tx; CDataStream(vMsg) >> tx; CInv inv(MSG_TX, tx.GetHash()); + bool fMissingInputs2 = false; - if (tx.AcceptToMemoryPool(txdb, true)) + if (tx.AcceptToMemoryPool(txdb, true, &fMissingInputs2)) { printf(" accepted orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str()); SyncWithWallets(tx, NULL, true); RelayMessage(inv, vMsg); mapAlreadyAskedFor.erase(inv); vWorkQueue.push_back(inv.hash); + vEraseQueue.push_back(inv.hash); + } + else if (!fMissingInputs2) + { + // invalid orphan + vEraseQueue.push_back(inv.hash); + printf(" removed invalid orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str()); } } } - BOOST_FOREACH(uint256 hash, vWorkQueue) + BOOST_FOREACH(uint256 hash, vEraseQueue) EraseOrphanTx(hash); } else if (fMissingInputs) |