diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 75 |
1 files changed, 46 insertions, 29 deletions
diff --git a/src/main.cpp b/src/main.cpp index 215a7ba620..a5a0f031af 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2012 The Bitcoin developers +// Copyright (c) 2009-2013 The Bitcoin developers // Distributed under the MIT/X11 software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -722,15 +722,18 @@ int64 GetMinFee(const CTransaction& tx, bool fAllowFree, enum GetMinFee_mode mod { // There is a free transaction area in blocks created by most miners, // * If we are relaying we allow transactions up to DEFAULT_BLOCK_PRIORITY_SIZE - 1000 - // to be considered to fall into this category - // * If we are creating a transaction we allow transactions up to DEFAULT_BLOCK_PRIORITY_SIZE - 17000 - // (= 10000) to be considered safe and assume they can likely make it into this section - if (nBytes < (mode == GMF_SEND ? (DEFAULT_BLOCK_PRIORITY_SIZE - 17000) : (DEFAULT_BLOCK_PRIORITY_SIZE - 1000))) + // to be considered to fall into this category. We don't want to encourage sending + // multiple transactions instead of one big transaction to avoid fees. + // * If we are creating a transaction we allow transactions up to 1,000 bytes + // to be considered safe and assume they can likely make it into this section. + if (nBytes < (mode == GMF_SEND ? 1000 : (DEFAULT_BLOCK_PRIORITY_SIZE - 1000))) nMinFee = 0; } - // To limit dust spam, require base fee if any output is less than 0.01 - if (nMinFee < nBaseFee) + // This code can be removed after enough miners have upgraded to version 0.9. + // Until then, be safe when sending and require a fee if any output + // is less than CENT: + if (nMinFee < nBaseFee && mode == GMF_SEND) { BOOST_FOREACH(const CTxOut& txout, tx.vout) if (txout.nValue < CENT) @@ -3231,6 +3234,8 @@ void static ProcessGetData(CNode* pfrom) vector<CInv> vNotFound; + LOCK(cs_main); + while (it != pfrom->vRecvGetData.end()) { // Don't bother if send buffer is too full to respond anyway if (pfrom->nSendSize >= SendBufferSize()) @@ -3403,7 +3408,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) pfrom->fClient = !(pfrom->nServices & NODE_NETWORK); - AddTimeData(pfrom->addr, nTime); // Change version pfrom->PushMessage("verack"); @@ -3445,6 +3449,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) LogPrintf("receive version message: version %d, blocks=%d, us=%s, them=%s, peer=%s\n", pfrom->nVersion, pfrom->nStartingHeight, addrMe.ToString().c_str(), addrFrom.ToString().c_str(), pfrom->addr.ToString().c_str()); + LOCK(cs_main); + AddTimeData(pfrom->addr, nTime); cPeerBlockCounts.input(pfrom->nStartingHeight); } @@ -3548,6 +3554,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) break; } } + + LOCK(cs_main); + for (unsigned int nInv = 0; nInv < vInv.size(); nInv++) { const CInv &inv = vInv[nInv]; @@ -3605,6 +3614,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) uint256 hashStop; vRecv >> locator >> hashStop; + LOCK(cs_main); + // Find the last block the caller has in the main chain CBlockIndex* pindex = chainActive.FindFork(locator); @@ -3639,6 +3650,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) uint256 hashStop; vRecv >> locator >> hashStop; + LOCK(cs_main); + CBlockIndex* pindex = NULL; if (locator.IsNull()) { @@ -3674,13 +3687,14 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) { vector<uint256> vWorkQueue; vector<uint256> vEraseQueue; - CDataStream vMsg(vRecv); CTransaction tx; vRecv >> tx; CInv inv(MSG_TX, tx.GetHash()); pfrom->AddInventoryKnown(inv); + LOCK(cs_main); + bool fMissingInputs = false; CValidationState state; if (mempool.accept(state, tx, true, &fMissingInputs)) @@ -3755,6 +3769,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) CInv inv(MSG_BLOCK, block.GetHash()); pfrom->AddInventoryKnown(inv); + LOCK(cs_main); + CValidationState state; if (ProcessBlock(state, pfrom, &block)) mapAlreadyAskedFor.erase(inv); @@ -3776,6 +3792,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) else if (strCommand == "mempool") { + LOCK(cs_main); + std::vector<uint256> vtxid; LOCK2(mempool.cs, pfrom->cs_filter); mempool.queryHashes(vtxid); @@ -4041,10 +4059,7 @@ bool ProcessMessages(CNode* pfrom) bool fRet = false; try { - { - LOCK(cs_main); - fRet = ProcessMessage(pfrom, strCommand, vRecv); - } + fRet = ProcessMessage(pfrom, strCommand, vRecv); boost::this_thread::interruption_point(); } catch (std::ios_base::failure& e) @@ -4087,8 +4102,7 @@ bool ProcessMessages(CNode* pfrom) bool SendMessages(CNode* pto, bool fSendTrickle) { - TRY_LOCK(cs_main, lockMain); - if (lockMain) { + { // Don't send anything until we get their version message if (pto->nVersion == 0) return true; @@ -4123,20 +4137,6 @@ bool SendMessages(CNode* pto, bool fSendTrickle) } } - // Start block sync - if (pto->fStartSync && !fImporting && !fReindex) { - pto->fStartSync = false; - PushGetBlocks(pto, chainActive.Tip(), uint256(0)); - } - - // Resend wallet transactions that haven't gotten in a block yet - // Except during reindex, importing and IBD, when old wallet - // transactions become unconfirmed and spams other nodes. - if (!fReindex && !fImporting && !IsInitialBlockDownload()) - { - ResendWalletTransactions(); - } - // Address refresh broadcast static int64 nLastRebroadcast; if (!IsInitialBlockDownload() && (GetTime() - nLastRebroadcast > 24 * 60 * 60)) @@ -4187,6 +4187,23 @@ bool SendMessages(CNode* pto, bool fSendTrickle) pto->PushMessage("addr", vAddr); } + TRY_LOCK(cs_main, lockMain); + if (!lockMain) + return true; + + // Start block sync + if (pto->fStartSync && !fImporting && !fReindex) { + pto->fStartSync = false; + PushGetBlocks(pto, chainActive.Tip(), uint256(0)); + } + + // Resend wallet transactions that haven't gotten in a block yet + // Except during reindex, importing and IBD, when old wallet + // transactions become unconfirmed and spams other nodes. + if (!fReindex && !fImporting && !IsInitialBlockDownload()) + { + ResendWalletTransactions(); + } // // Message: inventory |