diff options
Diffstat (limited to 'src/main.cpp')
-rw-r--r-- | src/main.cpp | 102 |
1 files changed, 33 insertions, 69 deletions
diff --git a/src/main.cpp b/src/main.cpp index 100cf753a6..ca75b9fdbf 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1278,12 +1278,9 @@ bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex) return false; } - // To avoid being on the short end of a block-chain split, - // don't do secondary validation of pay-to-script-hash transactions - // until blocks with timestamps after paytoscripthashtime (see init.cpp for default). - // This code can be removed once a super-majority of the network has upgraded. - int64 nEvalSwitchTime = GetArg("-paytoscripthashtime", std::numeric_limits<int64_t>::max()); - bool fStrictPayToScriptHash = (pindex->nTime >= nEvalSwitchTime); + // BIP16 didn't become active until Apr 1 2012 (Feb 15 on testnet) + int64 nBIP16SwitchTime = fTestNet ? 1329264000 : 1333238400; + bool fStrictPayToScriptHash = (pindex->nTime >= nBIP16SwitchTime); //// issue here: it doesn't know the version unsigned int nTxPos = pindex->nBlockPos + ::GetSerializeSize(CBlock(), SER_DISK) - 1 + GetSizeOfCompactSize(vtx.size()); @@ -1382,6 +1379,9 @@ bool static Reorganize(CTxDB& txdb, CBlockIndex* pindexNew) vConnect.push_back(pindex); reverse(vConnect.begin(), vConnect.end()); + printf("REORGANIZE: Disconnect %i blocks; %s..%s\n", vDisconnect.size(), pfork->GetBlockHash().ToString().substr(0,20).c_str(), pindexBest->GetBlockHash().ToString().substr(0,20).c_str()); + printf("REORGANIZE: Connect %i blocks; %s..%s\n", vConnect.size(), pfork->GetBlockHash().ToString().substr(0,20).c_str(), pindexNew->GetBlockHash().ToString().substr(0,20).c_str()); + // Disconnect shorter branch vector<CTransaction> vResurrect; BOOST_FOREACH(CBlockIndex* pindex, vDisconnect) @@ -1390,7 +1390,7 @@ bool static Reorganize(CTxDB& txdb, CBlockIndex* pindexNew) if (!block.ReadFromDisk(pindex)) return error("Reorganize() : ReadFromDisk for disconnect failed"); if (!block.DisconnectBlock(txdb, pindex)) - return error("Reorganize() : DisconnectBlock failed"); + return error("Reorganize() : DisconnectBlock %s failed", pindex->GetBlockHash().ToString().substr(0,20).c_str()); // Queue memory transactions to resurrect BOOST_FOREACH(const CTransaction& tx, block.vtx) @@ -1410,7 +1410,7 @@ bool static Reorganize(CTxDB& txdb, CBlockIndex* pindexNew) { // Invalid block txdb.TxnAbort(); - return error("Reorganize() : ConnectBlock failed"); + return error("Reorganize() : ConnectBlock %s failed", pindex->GetBlockHash().ToString().substr(0,20).c_str()); } // Queue memory transactions to delete @@ -1442,8 +1442,7 @@ bool static Reorganize(CTxDB& txdb, CBlockIndex* pindexNew) BOOST_FOREACH(CTransaction& tx, vDelete) tx.RemoveFromMemoryPool(); - printf("REORGANIZE: Disconnected %i blocks; %s..%s\n", vDisconnect.size(), pfork->GetBlockHash().ToString().substr(0,20).c_str(), pindexBest->GetBlockHash().ToString().substr(0,20).c_str()); - printf("REORGANIZE: Connected %i blocks; %s..%s\n", vConnect.size(), pfork->GetBlockHash().ToString().substr(0,20).c_str(), pindexNew->GetBlockHash().ToString().substr(0,20).c_str()); + printf("REORGANIZE: done\n"); return true; } @@ -1457,10 +1456,9 @@ runCommand(std::string strCommand) printf("runCommand error: system(%s) returned %d\n", strCommand.c_str(), nErr); } +// Called from inside SetBestChain: attaches a block to the new best chain being built bool CBlock::SetBestChainInner(CTxDB& txdb, CBlockIndex *pindexNew) { - assert(pindexNew->pprev == pindexBest); - uint256 hash = GetHash(); // Adding to current best branch @@ -1707,10 +1705,11 @@ bool CBlock::AcceptBlock() return error("AcceptBlock() : AddToBlockIndex failed"); // Relay inventory, but don't relay old inventory during initial block download + int nBlockEstimate = Checkpoints::GetTotalBlocksEstimate(); if (hashBestChain == hash) CRITICAL_BLOCK(cs_vNodes) BOOST_FOREACH(CNode* pnode, vNodes) - if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : 140700)) + if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : nBlockEstimate)) pnode->PushInventory(CInv(MSG_BLOCK, hash)); return true; @@ -2236,11 +2235,18 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) } // Get recent addresses - if (pfrom->nVersion >= 31402 || mapAddresses.size() < 1000) + if (pfrom->nVersion >= 31402 || addrman.size() < 1000) { pfrom->PushMessage("getaddr"); pfrom->fGetAddr = true; } + addrman.Good(pfrom->addr); + } else { + if (((CNetAddr)pfrom->addr) == (CNetAddr)addrFrom) + { + addrman.Add(addrFrom, addrFrom); + addrman.Good(addrFrom); + } } // Ask the first connected node for block updates @@ -2286,7 +2292,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) vRecv >> vAddr; // Don't want addr from older versions unless seeding - if (pfrom->nVersion < 31402 && mapAddresses.size() > 1000) + if (pfrom->nVersion < 31402 && addrman.size() > 1000) return true; if (vAddr.size() > 1000) { @@ -2295,8 +2301,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) } // Store the new addresses - CAddrDB addrDB; - addrDB.TxnBegin(); int64 nNow = GetAdjustedTime(); int64 nSince = nNow - 10 * 60; BOOST_FOREACH(CAddress& addr, vAddr) @@ -2308,7 +2312,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) continue; if (addr.nTime <= 100000000 || addr.nTime > nNow + 10 * 60) addr.nTime = nNow - 5 * 24 * 60 * 60; - AddAddress(addr, 2 * 60 * 60, &addrDB); pfrom->AddAddressKnown(addr); if (addr.nTime > nSince && !pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable()) { @@ -2340,7 +2343,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) } } } - addrDB.TxnCommit(); // Save addresses (it's ok if this fails) + addrman.Add(vAddr, pfrom->addr, 2 * 60 * 60); if (vAddr.size() < 1000) pfrom->fGetAddr = false; } @@ -2357,8 +2360,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) } CTxDB txdb("r"); - BOOST_FOREACH(const CInv& inv, vInv) + for (int nInv = 0; nInv < vInv.size(); nInv++) { + const CInv &inv = vInv[nInv]; + if (fShutdown) return true; pfrom->AddInventoryKnown(inv); @@ -2367,9 +2372,12 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) if (fDebug) printf(" got inventory: %s %s\n", inv.ToString().c_str(), fAlreadyHave ? "have" : "new"); - if (!fAlreadyHave) + // Always request the last block in an inv bundle (even if we already have it), as it is the + // trigger for the other side to send further invs. If we are stuck on a (very long) side chain, + // this is necessary to connect earlier received orphan blocks to the chain again. + if (!fAlreadyHave || (inv.type == MSG_BLOCK && nInv==vInv.size()-1)) pfrom->AskFor(inv); - else if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash)) + if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash)) pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(mapOrphanBlocks[inv.hash])); // Track requests for our stuff @@ -2586,25 +2594,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv) else if (strCommand == "getaddr") { - // Nodes rebroadcast an addr every 24 hours pfrom->vAddrToSend.clear(); - int64 nSince = GetAdjustedTime() - 3 * 60 * 60; // in the last 3 hours - CRITICAL_BLOCK(cs_mapAddresses) - { - unsigned int nCount = 0; - BOOST_FOREACH(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses) - { - const CAddress& addr = item.second; - if (addr.nTime > nSince) - nCount++; - } - BOOST_FOREACH(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses) - { - const CAddress& addr = item.second; - if (addr.nTime > nSince && GetRand(nCount) < 2500) - pfrom->PushAddress(addr); - } - } + vector<CAddress> vAddr = addrman.GetAddr(); + BOOST_FOREACH(const CAddress &addr, vAddr) + pfrom->PushAddress(addr); } @@ -2846,35 +2839,6 @@ bool SendMessages(CNode* pto, bool fSendTrickle) nLastRebroadcast = GetTime(); } - // Clear out old addresses periodically so it's not too much work at once - static int64 nLastClear; - if (nLastClear == 0) - nLastClear = GetTime(); - if (GetTime() - nLastClear > 10 * 60 && vNodes.size() >= 3) - { - nLastClear = GetTime(); - CRITICAL_BLOCK(cs_mapAddresses) - { - CAddrDB addrdb; - int64 nSince = GetAdjustedTime() - 14 * 24 * 60 * 60; - for (map<vector<unsigned char>, CAddress>::iterator mi = mapAddresses.begin(); - mi != mapAddresses.end();) - { - const CAddress& addr = (*mi).second; - if (addr.nTime < nSince) - { - if (mapAddresses.size() < 1000 || GetTime() > nLastClear + 20) - break; - addrdb.EraseAddress(addr); - mapAddresses.erase(mi++); - } - else - mi++; - } - } - } - - // // Message: addr // |