// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
#include "headers.h"
#include "checkpoints.h"
#include "db.h"
// Check for conflicts with in-memory transactions
CTransaction* ptxOld = NULL;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
COutPoint outpoint = vin[i].prevout;
if (mapNextTx.count(outpoint))
return false;
if (!IsNewerThan(*ptxOld))
return false;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
COutPoint outpoint = vin[i].prevout;
if (!mapNextTx.count(outpoint) || mapNextTx[outpoint].ptx != ptxOld)
{
uint256 hash = GetHash();
mapTransactions[hash] = *this;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
mapNextTx[vin[i].prevout] = CInPoint(&mapTransactions[hash], i);
nTransactionsUpdated++;
}
if (IsCoinBase())
return true; // Coinbase transactions have no inputs to fetch.
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
COutPoint prevout = vin[i].prevout;
if (inputsRet.count(prevout.hash))
}
// Make sure all prevout.n's are valid:
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
const COutPoint prevout = vin[i].prevout;
assert(inputsRet.count(prevout.hash) != 0);
return 0;
int64 nResult = 0;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
nResult += GetOutputFor(vin[i], inputs).nValue;
}
return 0;
int nSigOps = 0;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
const CTxOut& prevout = GetOutputFor(vin[i], inputs);
if (prevout.scriptPubKey.IsPayToScriptHash())
{
int64 nValueIn = 0;
int64 nFees = 0;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
COutPoint prevout = vin[i].prevout;
assert(inputs.count(prevout.hash) > 0);
CRITICAL_BLOCK(cs_mapTransactions)
{
int64 nValueIn = 0;
- for (int i = 0; i < vin.size(); i++)
+ for (unsigned int i = 0; i < vin.size(); i++)
{
// Get prev tx from single transactions in memory
COutPoint prevout = vin[i].prevout;
// This rule applies to all blocks whose timestamp is after March 15, 2012, 0:00 UTC.
// On testnet it is enabled as of februari 20, 2012, 0:00 UTC.
if (pindex->nTime > 1331769600 || (fTestNet && pindex->nTime > 1329696000))
+ {
BOOST_FOREACH(CTransaction& tx, vtx)
{
CTxIndex txindexOld;
if (txdb.ReadTxIndex(tx.GetHash(), txindexOld))
+ {
BOOST_FOREACH(CDiskTxPos &pos, txindexOld.vSpent)
if (pos.IsNull())
return false;
+ }
}
+ }
// P2SH didn't become active until Apr 1 2012 (Feb 15 on testnet)
int64 nEvalSwitchTime = fTestNet ? 1329264000 : 1333238400;
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)
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)
// Connect longer branch
vector<CTransaction> vDelete;
- for (int i = 0; i < vConnect.size(); i++)
+ for (unsigned int i = 0; i < vConnect.size(); i++)
{
CBlockIndex* pindex = vConnect[i];
CBlock block;
{
// 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
BOOST_FOREACH(CTransaction& tx, vDelete)
tx.RemoveFromMemoryPool();
+ printf("REORGANIZE: done\n");
+
return true;
}
{
uint256 hash = GetHash();
- txdb.TxnBegin();
+ if (!txdb.TxnBegin())
+ return error("SetBestChain() : TxnBegin failed");
+
if (pindexGenesisBlock == NULL && hash == hashGenesisBlock)
{
txdb.WriteHashBestChain(hash);
pindexNew->bnChainWork = (pindexNew->pprev ? pindexNew->pprev->bnChainWork : 0) + pindexNew->GetBlockWork();
CTxDB txdb;
- txdb.TxnBegin();
+ if (!txdb.TxnBegin())
+ return false;
txdb.WriteBlockIndex(CDiskBlockIndex(pindexNew));
if (!txdb.TxnCommit())
return false;
// First transaction must be coinbase, the rest must not be
if (vtx.empty() || !vtx[0].IsCoinBase())
return DoS(100, error("CheckBlock() : first tx is not coinbase"));
- for (int i = 1; i < vtx.size(); i++)
+ for (unsigned int i = 1; i < vtx.size(); i++)
if (vtx[i].IsCoinBase())
return DoS(100, error("CheckBlock() : more than one coinbase"));
if (!tx.CheckTransaction())
return DoS(tx.nDoS, error("CheckBlock() : CheckTransaction failed"));
+ // Check for duplicate txids. This is caught by ConnectInputs(),
+ // but catching it earlier avoids a potential DoS attack:
+ set<uint256> uniqueTx;
+ BOOST_FOREACH(const CTransaction& tx, vtx)
+ {
+ uniqueTx.insert(tx.GetHash());
+ }
+ if (uniqueTx.size() != vtx.size())
+ return DoS(100, error("CheckBlock() : duplicate transaction"));
+
// Check that it's not full of nonstandard transactions
if (GetSigOpCount() > MAX_BLOCK_SIGOPS)
return DoS(100, error("CheckBlock() : out-of-bounds SigOpCount"));
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;
// Recursively process any orphan blocks that depended on this one
vector<uint256> vWorkQueue;
vWorkQueue.push_back(hash);
- for (int i = 0; i < vWorkQueue.size(); i++)
+ for (unsigned int i = 0; i < vWorkQueue.size(); i++)
{
uint256 hashPrev = vWorkQueue[i];
for (multimap<uint256, CBlock*>::iterator mi = mapOrphanBlocksByPrev.lower_bound(hashPrev);
if (nFreeBytesAvailable < (uint64)15000000 + nAdditionalBytes)
{
fShutdown = true;
- string strMessage = _("Warning: Disk space is low ");
+ string strMessage = _("Warning: Disk space is low");
strMiscWarning = strMessage;
printf("*** %s\n", strMessage.c_str());
ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION);
// put the main timechain first
vector<CBlockIndex*>& vNext = mapNext[pindex];
- for (int i = 0; i < vNext.size(); i++)
+ for (unsigned int i = 0; i < vNext.size(); i++)
{
if (vNext[i]->pnext)
{
}
// iterate children
- for (int i = 0; i < vNext.size(); i++)
+ for (unsigned int i = 0; i < vNext.size(); i++)
vStack.push_back(make_pair(nCol+i, vNext[i]));
}
}
{
switch (inv.type)
{
- case MSG_TX: return mapTransactions.count(inv.hash) || mapOrphanTransactions.count(inv.hash) || txdb.ContainsTx(inv.hash);
+ case MSG_TX:
+ {
+ bool txInMap = false;
+ CRITICAL_BLOCK(cs_mapTransactions)
+ {
+ txInMap = (mapTransactions.count(inv.hash) != 0);
+ }
+ return txInMap ||
+ mapOrphanTransactions.count(inv.hash) ||
+ txdb.ContainsTx(inv.hash);
+ }
+
case MSG_BLOCK: return mapBlockIndex.count(inv.hash) || mapOrphanBlocks.count(inv.hash);
}
// Don't know what it is, just say we already got one
return error("message inv size() = %d", vInv.size());
}
+ // find last block in inv vector
+ unsigned int nLastBlock = (unsigned int)(-1);
+ for (unsigned int nInv = 0; nInv < vInv.size(); nInv++) {
+ if (vInv[vInv.size() - 1 - nInv].type == MSG_BLOCK) {
+ nLastBlock = vInv.size() - 1 - nInv;
+ break;
+ }
+ }
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);
if (!fAlreadyHave)
pfrom->AskFor(inv);
- else if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash))
+ else if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash)) {
pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(mapOrphanBlocks[inv.hash]));
+ } else if (nInv == nLastBlock) {
+ // In case we are on a very long side-chain, it is possible that we already have
+ // the last block in an inv bundle sent in response to getblocks. Try to detect
+ // this situation and push another getblocks to continue.
+ std::vector<CInv> vGetData(1,inv);
+ pfrom->PushGetBlocks(mapBlockIndex[inv.hash], uint256(0));
+ if (fDebug)
+ printf("force request: %s\n", inv.ToString().c_str());
+ }
// Track requests for our stuff
Inventory(inv.hash);
vWorkQueue.push_back(inv.hash);
// Recursively process any orphan transactions that depended on this one
- for (int i = 0; i < vWorkQueue.size(); i++)
+ for (unsigned int i = 0; i < vWorkQueue.size(); i++)
{
uint256 hashPrev = vWorkQueue[i];
for (multimap<uint256, CDataStream*>::iterator mi = mapOrphanTransactionsByPrev.lower_bound(hashPrev);
unsigned int nMessageSize = hdr.nMessageSize;
if (nMessageSize > MAX_SIZE)
{
- printf("ProcessMessage(%s, %u bytes) : nMessageSize > MAX_SIZE\n", strCommand.c_str(), nMessageSize);
+ printf("ProcessMessages(%s, %u bytes) : nMessageSize > MAX_SIZE\n", strCommand.c_str(), nMessageSize);
continue;
}
if (nMessageSize > vRecv.size())
memcpy(&nChecksum, &hash, sizeof(nChecksum));
if (nChecksum != hdr.nChecksum)
{
- printf("ProcessMessage(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
+ printf("ProcessMessages(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
continue;
}
if (strstr(e.what(), "end of data"))
{
// Allow exceptions from underlength message on vRecv
- printf("ProcessMessage(%s, %u bytes) : Exception '%s' caught, normally caused by a message being shorter than its stated length\n", strCommand.c_str(), nMessageSize, e.what());
+ printf("ProcessMessages(%s, %u bytes) : Exception '%s' caught, normally caused by a message being shorter than its stated length\n", strCommand.c_str(), nMessageSize, e.what());
}
else if (strstr(e.what(), "size too large"))
{
// Allow exceptions from overlong size
- printf("ProcessMessage(%s, %u bytes) : Exception '%s' caught\n", strCommand.c_str(), nMessageSize, e.what());
+ printf("ProcessMessages(%s, %u bytes) : Exception '%s' caught\n", strCommand.c_str(), nMessageSize, e.what());
}
else
{
- PrintExceptionContinue(&e, "ProcessMessage()");
+ PrintExceptionContinue(&e, "ProcessMessages()");
}
}
catch (std::exception& e) {
- PrintExceptionContinue(&e, "ProcessMessage()");
+ PrintExceptionContinue(&e, "ProcessMessages()");
} catch (...) {
- PrintExceptionContinue(NULL, "ProcessMessage()");
+ PrintExceptionContinue(NULL, "ProcessMessages()");
}
if (!fRet)
bool SendMessages(CNode* pto, bool fSendTrickle)
{
- CRITICAL_BLOCK(cs_main)
+ TRY_CRITICAL_BLOCK(cs_main)
{
// Don't send anything until we get their version message
if (pto->nVersion == 0)
dPriority += (double)nValueIn * nConf;
if (fDebug && GetBoolArg("-printpriority"))
- printf("priority nValueIn=%-12I64d nConf=%-5d dPriority=%-20.1f\n", nValueIn, nConf, dPriority);
+ printf("priority nValueIn=%-12"PRI64d" nConf=%-5d dPriority=%-20.1f\n", nValueIn, nConf, dPriority);
}
// Priority is sum(valuein * age) / txsize
FormatHashBlocks(&tmp.hash1, sizeof(tmp.hash1));
// Byte swap all the input buffer
- for (int i = 0; i < sizeof(tmp)/4; i++)
+ for (unsigned int i = 0; i < sizeof(tmp)/4; i++)
((unsigned int*)&tmp)[i] = ByteReverse(((unsigned int*)&tmp)[i]);
// Precalc the first half of the first hash, which stays constant
// Check if something found
if (nNonceFound != -1)
{
- for (int i = 0; i < sizeof(hash)/4; i++)
+ for (unsigned int i = 0; i < sizeof(hash)/4; i++)
((unsigned int*)&hash)[i] = ByteReverse(((unsigned int*)&hash)[i]);
if (hash <= hashTarget)
git://git.novaco.in / novacoin.git / blobdiff