// Global state
//
-// Name of client reported in the 'version' message. Report the same name
-// for both bitcoind and bitcoin-qt, to make it harder for attackers to
-// target servers or GUI users specifically.
-const std::string CLIENT_NAME("Satoshi");
-
CCriticalSection cs_setpwalletRegistered;
set<CWallet*> setpwalletRegistered;
void RegisterWallet(CWallet* pwalletIn)
{
- CRITICAL_BLOCK(cs_setpwalletRegistered)
{
+ LOCK(cs_setpwalletRegistered);
setpwalletRegistered.insert(pwalletIn);
}
}
void UnregisterWallet(CWallet* pwalletIn)
{
- CRITICAL_BLOCK(cs_setpwalletRegistered)
{
+ LOCK(cs_setpwalletRegistered);
setpwalletRegistered.erase(pwalletIn);
}
}
// Do we already have it?
uint256 hash = GetHash();
- CRITICAL_BLOCK(cs_mapTransactions)
+ {
+ LOCK(cs_mapTransactions);
if (mapTransactions.count(hash))
return false;
+ }
if (fCheckInputs)
if (txdb.ContainsTx(hash))
return false;
static int64 nLastTime;
int64 nNow = GetTime();
- CRITICAL_BLOCK(cs)
{
+ LOCK(cs);
// Use an exponentially decaying ~10-minute window:
dFreeCount *= pow(1.0 - 1.0/600.0, (double)(nNow - nLastTime));
nLastTime = nNow;
}
// Store transaction in memory
- CRITICAL_BLOCK(cs_mapTransactions)
{
+ LOCK(cs_mapTransactions);
if (ptxOld)
{
printf("AcceptToMemoryPool() : replacing tx %s with new version\n", ptxOld->GetHash().ToString().c_str());
printf("AcceptToMemoryPoolUnchecked(): size %lu\n", mapTransactions.size());
// Add to memory pool without checking anything. Don't call this directly,
// call AcceptToMemoryPool to properly check the transaction first.
- CRITICAL_BLOCK(cs_mapTransactions)
{
+ LOCK(cs_mapTransactions);
uint256 hash = GetHash();
mapTransactions[hash] = *this;
for (int i = 0; i < vin.size(); i++)
bool CTransaction::RemoveFromMemoryPool()
{
// Remove transaction from memory pool
- CRITICAL_BLOCK(cs_mapTransactions)
{
+ LOCK(cs_mapTransactions);
uint256 hash = GetHash();
if (mapTransactions.count(hash))
{
bool CWalletTx::AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs)
{
- CRITICAL_BLOCK(cs_mapTransactions)
+
{
+ LOCK(cs_mapTransactions);
// Add previous supporting transactions first
BOOST_FOREACH(CMerkleTx& tx, vtxPrev)
{
if (!fFound || txindex.pos == CDiskTxPos(1,1,1))
{
// Get prev tx from single transactions in memory
- CRITICAL_BLOCK(cs_mapTransactions)
{
+ LOCK(cs_mapTransactions);
if (!mapTransactions.count(prevout.hash))
return error("FetchInputs() : %s mapTransactions prev not found %s", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
txPrev = mapTransactions[prevout.hash];
return false;
// Take over previous transactions' spent pointers
- CRITICAL_BLOCK(cs_mapTransactions)
{
+ LOCK(cs_mapTransactions);
int64 nValueIn = 0;
for (int i = 0; i < vin.size(); i++)
{
// 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 : nBlockEstimate))
- pnode->PushInventory(CInv(MSG_BLOCK, hash));
+ {
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : nBlockEstimate))
+ pnode->PushInventory(CInv(MSG_BLOCK, hash));
+ }
return true;
}
string strMessage = _("Warning: Disk space is low ");
strMiscWarning = strMessage;
printf("*** %s\n", strMessage.c_str());
- ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION);
- CreateThread(Shutdown, NULL);
+ ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION | wxMODAL);
+ QueueShutdown();
return false;
}
return true;
{
if (nFile == -1)
return NULL;
- FILE* file = fopen(strprintf("%s/blk%04d.dat", GetDataDir().c_str(), nFile).c_str(), pszMode);
+ FILE* file = fopen((GetDataDir() / strprintf("blk%04d.dat", nFile)).string().c_str(), pszMode);
if (!file)
return NULL;
if (nBlockPos != 0 && !strchr(pszMode, 'a') && !strchr(pszMode, 'w'))
}
// Alerts
- CRITICAL_BLOCK(cs_mapAlerts)
{
+ LOCK(cs_mapAlerts);
BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
{
const CAlert& alert = item.second;
if (!IsInEffect())
return false;
- CRITICAL_BLOCK(cs_mapAlerts)
{
+ LOCK(cs_mapAlerts);
// Cancel previous alerts
for (map<uint256, CAlert>::iterator mi = mapAlerts.begin(); mi != mapAlerts.end();)
{
CAddress addrFrom;
uint64 nNonce = 1;
vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe;
- if (pfrom->nVersion < 209)
+ if (pfrom->nVersion < MIN_PROTO_VERSION)
{
// Since February 20, 2012, the protocol is initiated at version 209,
// and earlier versions are no longer supported
}
// Get recent addresses
- if (pfrom->nVersion >= 31402 || addrman.size() < 1000)
+ if (pfrom->nVersion >= CADDR_TIME_VERSION || addrman.size() < 1000)
{
pfrom->PushMessage("getaddr");
pfrom->fGetAddr = true;
// Ask the first connected node for block updates
static int nAskedForBlocks = 0;
if (!pfrom->fClient &&
- (pfrom->nVersion < 32000 || pfrom->nVersion >= 32400) &&
+ (pfrom->nVersion < NOBLKS_VERSION_START ||
+ pfrom->nVersion >= NOBLKS_VERSION_END) &&
(nAskedForBlocks < 1 || vNodes.size() <= 1))
{
nAskedForBlocks++;
}
// Relay alerts
- CRITICAL_BLOCK(cs_mapAlerts)
+ {
+ LOCK(cs_mapAlerts);
BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
item.second.RelayTo(pfrom);
+ }
pfrom->fSuccessfullyConnected = true;
vRecv >> vAddr;
// Don't want addr from older versions unless seeding
- if (pfrom->nVersion < 31402 && addrman.size() > 1000)
+ if (pfrom->nVersion < CADDR_TIME_VERSION && addrman.size() > 1000)
return true;
if (vAddr.size() > 1000)
{
if (addr.nTime > nSince && !pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable())
{
// Relay to a limited number of other nodes
- CRITICAL_BLOCK(cs_vNodes)
{
+ LOCK(cs_vNodes);
// Use deterministic randomness to send to the same nodes for 24 hours
// at a time so the setAddrKnowns of the chosen nodes prevent repeats
static uint256 hashSalt;
multimap<uint256, CNode*> mapMix;
BOOST_FOREACH(CNode* pnode, vNodes)
{
- if (pnode->nVersion < 31402)
+ if (pnode->nVersion < CADDR_TIME_VERSION)
continue;
unsigned int nPointer;
memcpy(&nPointer, &pnode, sizeof(nPointer));
else if (inv.IsKnownType())
{
// Send stream from relay memory
- CRITICAL_BLOCK(cs_mapRelay)
{
+ LOCK(cs_mapRelay);
map<CInv, CDataStream>::iterator mi = mapRelay.find(inv);
if (mi != mapRelay.end())
pfrom->PushMessage(inv.GetCommand(), (*mi).second);
vRecv >> hashReply;
CRequestTracker tracker;
- CRITICAL_BLOCK(pfrom->cs_mapRequests)
{
+ LOCK(pfrom->cs_mapRequests);
map<uint256, CRequestTracker>::iterator mi = pfrom->mapRequests.find(hashReply);
if (mi != pfrom->mapRequests.end())
{
else if (strCommand == "ping")
{
+ if (pfrom->nVersion > BIP0031_VERSION)
+ {
+ uint64 nonce = 0;
+ vRecv >> nonce;
+ // Echo the message back with the nonce. This allows for two useful features:
+ //
+ // 1) A remote node can quickly check if the connection is operational
+ // 2) Remote nodes can measure the latency of the network thread. If this node
+ // is overloaded it won't respond to pings quickly and the remote node can
+ // avoid sending us more work, like chain download requests.
+ //
+ // The nonce stops the remote getting confused between different pings: without
+ // it, if the remote node sends a ping once per second and this node takes 5
+ // seconds to respond to each, the 5th ping the remote sends would appear to
+ // return very quickly.
+ pfrom->PushMessage("pong", nonce);
+ }
}
{
// Relay
pfrom->setKnown.insert(alert.GetHash());
- CRITICAL_BLOCK(cs_vNodes)
+ {
+ LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
alert.RelayTo(pnode);
+ }
}
}
bool fRet = false;
try
{
- CRITICAL_BLOCK(cs_main)
+ {
+ LOCK(cs_main);
fRet = ProcessMessage(pfrom, strCommand, vMsg);
+ }
if (fShutdown)
return true;
}
bool SendMessages(CNode* pto, bool fSendTrickle)
{
- CRITICAL_BLOCK(cs_main)
{
+ LOCK(cs_main);
// Don't send anything until we get their version message
if (pto->nVersion == 0)
return true;
- // Keep-alive ping
- if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSend.empty())
- pto->PushMessage("ping");
+ // Keep-alive ping. We send a nonce of zero because we don't use it anywhere
+ // right now.
+ if (pto->nLastSend && GetTime() - pto->nLastSend > 30 * 60 && pto->vSend.empty()) {
+ if (pto->nVersion > BIP0031_VERSION)
+ pto->PushMessage("ping", 0);
+ else
+ pto->PushMessage("ping");
+ }
// Resend wallet transactions that haven't gotten in a block yet
ResendWalletTransactions();
static int64 nLastRebroadcast;
if (!IsInitialBlockDownload() && (GetTime() - nLastRebroadcast > 24 * 60 * 60))
{
- CRITICAL_BLOCK(cs_vNodes)
{
+ LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
{
// Periodically clear setAddrKnown to allow refresh broadcasts
//
vector<CInv> vInv;
vector<CInv> vInvWait;
- CRITICAL_BLOCK(pto->cs_inventory)
{
+ LOCK(pto->cs_inventory);
vInv.reserve(pto->vInventoryToSend.size());
vInvWait.reserve(pto->vInventoryToSend.size());
BOOST_FOREACH(const CInv& inv, pto->vInventoryToSend)
// Collect memory pool transactions into the block
int64 nFees = 0;
- CRITICAL_BLOCK(cs_main)
- CRITICAL_BLOCK(cs_mapTransactions)
{
+ LOCK2(cs_main, cs_mapTransactions);
CTxDB txdb("r");
// Priority order to process transactions
printf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue).c_str());
// Found a solution
- CRITICAL_BLOCK(cs_main)
{
+ LOCK(cs_main);
if (pblock->hashPrevBlock != hashBestChain)
return error("BitcoinMiner : generated block is stale");
reservekey.KeepKey();
// Track how many getdata requests this block gets
- CRITICAL_BLOCK(wallet.cs_wallet)
+ {
+ LOCK(wallet.cs_wallet);
wallet.mapRequestCount[pblock->GetHash()] = 0;
+ }
// Process this block the same as if we had received it from another node
if (!ProcessBlock(NULL, pblock))
if (GetTimeMillis() - nHPSTimerStart > 4000)
{
static CCriticalSection cs;
- CRITICAL_BLOCK(cs)
{
+ LOCK(cs);
if (GetTimeMillis() - nHPSTimerStart > 4000)
{
dHashesPerSec = 1000.0 * nHashCounter / (GetTimeMillis() - nHPSTimerStart);
nHPSTimerStart = GetTimeMillis();
nHashCounter = 0;
- string strStatus = strprintf(" %.0f khash/s", dHashesPerSec/1000.0);
- UIThreadCall(boost::bind(CalledSetStatusBar, strStatus, 0));
static int64 nLogTime;
if (GetTime() - nLogTime > 30 * 60)
{
vnThreadsRunning[THREAD_MINER]--;
PrintException(NULL, "ThreadBitcoinMiner()");
}
- UIThreadCall(boost::bind(CalledSetStatusBar, "", 0));
nHPSTimerStart = 0;
if (vnThreadsRunning[THREAD_MINER] == 0)
dHashesPerSec = 0;