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diff --git a/src/db.cpp b/src/db.cpp
index d5405d70e5..f044355a35 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -1,938 +1,939 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
#include "db.h"
#include "net.h"
+#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
using namespace std;
using namespace boost;
unsigned int nWalletDBUpdated;
uint64 nAccountingEntryNumber = 0;
//
// CDB
//
static CCriticalSection cs_db;
static bool fDbEnvInit = false;
DbEnv dbenv(0);
static map<string, int> mapFileUseCount;
static map<string, Db*> mapDb;
class CDBInit
{
public:
CDBInit()
{
}
~CDBInit()
{
if (fDbEnvInit)
{
dbenv.close(0);
fDbEnvInit = false;
}
}
}
instance_of_cdbinit;
CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
{
int ret;
if (pszFile == NULL)
return;
fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w'));
bool fCreate = strchr(pszMode, 'c');
unsigned int nFlags = DB_THREAD;
if (fCreate)
nFlags |= DB_CREATE;
CRITICAL_BLOCK(cs_db)
{
if (!fDbEnvInit)
{
if (fShutdown)
return;
string strDataDir = GetDataDir();
string strLogDir = strDataDir + "/database";
filesystem::create_directory(strLogDir.c_str());
string strErrorFile = strDataDir + "/db.log";
printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str());
dbenv.set_lg_dir(strLogDir.c_str());
dbenv.set_lg_max(10000000);
dbenv.set_lk_max_locks(10000);
dbenv.set_lk_max_objects(10000);
dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug
dbenv.set_flags(DB_AUTO_COMMIT, 1);
ret = dbenv.open(strDataDir.c_str(),
DB_CREATE |
DB_INIT_LOCK |
DB_INIT_LOG |
DB_INIT_MPOOL |
DB_INIT_TXN |
DB_THREAD |
DB_RECOVER,
S_IRUSR | S_IWUSR);
if (ret > 0)
throw runtime_error(strprintf("CDB() : error %d opening database environment", ret));
fDbEnvInit = true;
}
strFile = pszFile;
++mapFileUseCount[strFile];
pdb = mapDb[strFile];
if (pdb == NULL)
{
pdb = new Db(&dbenv, 0);
ret = pdb->open(NULL, // Txn pointer
pszFile, // Filename
"main", // Logical db name
DB_BTREE, // Database type
nFlags, // Flags
0);
if (ret > 0)
{
delete pdb;
pdb = NULL;
CRITICAL_BLOCK(cs_db)
--mapFileUseCount[strFile];
strFile = "";
throw runtime_error(strprintf("CDB() : can't open database file %s, error %d", pszFile, ret));
}
if (fCreate && !Exists(string("version")))
{
bool fTmp = fReadOnly;
fReadOnly = false;
WriteVersion(VERSION);
fReadOnly = fTmp;
}
mapDb[strFile] = pdb;
}
}
}
void CDB::Close()
{
if (!pdb)
return;
if (!vTxn.empty())
vTxn.front()->abort();
vTxn.clear();
pdb = NULL;
// Flush database activity from memory pool to disk log
unsigned int nMinutes = 0;
if (fReadOnly)
nMinutes = 1;
if (strFile == "addr.dat")
nMinutes = 2;
if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
nMinutes = 1;
dbenv.txn_checkpoint(0, nMinutes, 0);
CRITICAL_BLOCK(cs_db)
--mapFileUseCount[strFile];
}
void static CloseDb(const string& strFile)
{
CRITICAL_BLOCK(cs_db)
{
if (mapDb[strFile] != NULL)
{
// Close the database handle
Db* pdb = mapDb[strFile];
pdb->close(0);
delete pdb;
mapDb[strFile] = NULL;
}
}
}
void DBFlush(bool fShutdown)
{
// Flush log data to the actual data file
// on all files that are not in use
printf("DBFlush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started");
if (!fDbEnvInit)
return;
CRITICAL_BLOCK(cs_db)
{
map<string, int>::iterator mi = mapFileUseCount.begin();
while (mi != mapFileUseCount.end())
{
string strFile = (*mi).first;
int nRefCount = (*mi).second;
printf("%s refcount=%d\n", strFile.c_str(), nRefCount);
if (nRefCount == 0)
{
// Move log data to the dat file
CloseDb(strFile);
dbenv.txn_checkpoint(0, 0, 0);
printf("%s flush\n", strFile.c_str());
dbenv.lsn_reset(strFile.c_str(), 0);
mapFileUseCount.erase(mi++);
}
else
mi++;
}
if (fShutdown)
{
char** listp;
if (mapFileUseCount.empty())
dbenv.log_archive(&listp, DB_ARCH_REMOVE);
dbenv.close(0);
fDbEnvInit = false;
}
}
}
//
// CTxDB
//
bool CTxDB::ReadTxIndex(uint256 hash, CTxIndex& txindex)
{
assert(!fClient);
txindex.SetNull();
return Read(make_pair(string("tx"), hash), txindex);
}
bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex)
{
assert(!fClient);
return Write(make_pair(string("tx"), hash), txindex);
}
bool CTxDB::AddTxIndex(const CTransaction& tx, const CDiskTxPos& pos, int nHeight)
{
assert(!fClient);
// Add to tx index
uint256 hash = tx.GetHash();
CTxIndex txindex(pos, tx.vout.size());
return Write(make_pair(string("tx"), hash), txindex);
}
bool CTxDB::EraseTxIndex(const CTransaction& tx)
{
assert(!fClient);
uint256 hash = tx.GetHash();
return Erase(make_pair(string("tx"), hash));
}
bool CTxDB::ContainsTx(uint256 hash)
{
assert(!fClient);
return Exists(make_pair(string("tx"), hash));
}
bool CTxDB::ReadOwnerTxes(uint160 hash160, int nMinHeight, vector<CTransaction>& vtx)
{
assert(!fClient);
vtx.clear();
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
unsigned int fFlags = DB_SET_RANGE;
loop
{
// Read next record
CDataStream ssKey;
if (fFlags == DB_SET_RANGE)
ssKey << string("owner") << hash160 << CDiskTxPos(0, 0, 0);
CDataStream ssValue;
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
{
pcursor->close();
return false;
}
// Unserialize
string strType;
uint160 hashItem;
CDiskTxPos pos;
ssKey >> strType >> hashItem >> pos;
int nItemHeight;
ssValue >> nItemHeight;
// Read transaction
if (strType != "owner" || hashItem != hash160)
break;
if (nItemHeight >= nMinHeight)
{
vtx.resize(vtx.size()+1);
if (!vtx.back().ReadFromDisk(pos))
{
pcursor->close();
return false;
}
}
}
pcursor->close();
return true;
}
bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx, CTxIndex& txindex)
{
assert(!fClient);
tx.SetNull();
if (!ReadTxIndex(hash, txindex))
return false;
return (tx.ReadFromDisk(txindex.pos));
}
bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx)
{
CTxIndex txindex;
return ReadDiskTx(hash, tx, txindex);
}
bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx, CTxIndex& txindex)
{
return ReadDiskTx(outpoint.hash, tx, txindex);
}
bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx)
{
CTxIndex txindex;
return ReadDiskTx(outpoint.hash, tx, txindex);
}
bool CTxDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
{
return Write(make_pair(string("blockindex"), blockindex.GetBlockHash()), blockindex);
}
bool CTxDB::EraseBlockIndex(uint256 hash)
{
return Erase(make_pair(string("blockindex"), hash));
}
bool CTxDB::ReadHashBestChain(uint256& hashBestChain)
{
return Read(string("hashBestChain"), hashBestChain);
}
bool CTxDB::WriteHashBestChain(uint256 hashBestChain)
{
return Write(string("hashBestChain"), hashBestChain);
}
bool CTxDB::ReadBestInvalidWork(CBigNum& bnBestInvalidWork)
{
return Read(string("bnBestInvalidWork"), bnBestInvalidWork);
}
bool CTxDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork)
{
return Write(string("bnBestInvalidWork"), bnBestInvalidWork);
}
CBlockIndex static * InsertBlockIndex(uint256 hash)
{
if (hash == 0)
return NULL;
// Return existing
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash);
if (mi != mapBlockIndex.end())
return (*mi).second;
// Create new
CBlockIndex* pindexNew = new CBlockIndex();
if (!pindexNew)
throw runtime_error("LoadBlockIndex() : new CBlockIndex failed");
mi = mapBlockIndex.insert(make_pair(hash, pindexNew)).first;
pindexNew->phashBlock = &((*mi).first);
return pindexNew;
}
bool CTxDB::LoadBlockIndex()
{
// Get database cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
// Load mapBlockIndex
unsigned int fFlags = DB_SET_RANGE;
loop
{
// Read next record
CDataStream ssKey;
if (fFlags == DB_SET_RANGE)
ssKey << make_pair(string("blockindex"), uint256(0));
CDataStream ssValue;
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
return false;
// Unserialize
string strType;
ssKey >> strType;
if (strType == "blockindex")
{
CDiskBlockIndex diskindex;
ssValue >> diskindex;
// Construct block index object
CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
pindexNew->nFile = diskindex.nFile;
pindexNew->nBlockPos = diskindex.nBlockPos;
pindexNew->nHeight = diskindex.nHeight;
pindexNew->nVersion = diskindex.nVersion;
pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
pindexNew->nTime = diskindex.nTime;
pindexNew->nBits = diskindex.nBits;
pindexNew->nNonce = diskindex.nNonce;
// Watch for genesis block
if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
pindexGenesisBlock = pindexNew;
if (!pindexNew->CheckIndex())
return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
}
else
{
break;
}
}
pcursor->close();
// Calculate bnChainWork
vector<pair<int, CBlockIndex*> > vSortedByHeight;
vSortedByHeight.reserve(mapBlockIndex.size());
BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex)
{
CBlockIndex* pindex = item.second;
vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex));
}
sort(vSortedByHeight.begin(), vSortedByHeight.end());
BOOST_FOREACH(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight)
{
CBlockIndex* pindex = item.second;
pindex->bnChainWork = (pindex->pprev ? pindex->pprev->bnChainWork : 0) + pindex->GetBlockWork();
}
// Load hashBestChain pointer to end of best chain
if (!ReadHashBestChain(hashBestChain))
{
if (pindexGenesisBlock == NULL)
return true;
return error("CTxDB::LoadBlockIndex() : hashBestChain not loaded");
}
if (!mapBlockIndex.count(hashBestChain))
return error("CTxDB::LoadBlockIndex() : hashBestChain not found in the block index");
pindexBest = mapBlockIndex[hashBestChain];
nBestHeight = pindexBest->nHeight;
bnBestChainWork = pindexBest->bnChainWork;
printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight);
// Load bnBestInvalidWork, OK if it doesn't exist
ReadBestInvalidWork(bnBestInvalidWork);
// Verify blocks in the best chain
CBlockIndex* pindexFork = NULL;
for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev)
{
if (pindex->nHeight < nBestHeight-2500 && !mapArgs.count("-checkblocks"))
break;
CBlock block;
if (!block.ReadFromDisk(pindex))
return error("LoadBlockIndex() : block.ReadFromDisk failed");
if (!block.CheckBlock())
{
printf("LoadBlockIndex() : *** found bad block at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str());
pindexFork = pindex->pprev;
}
}
if (pindexFork)
{
// Reorg back to the fork
printf("LoadBlockIndex() : *** moving best chain pointer back to block %d\n", pindexFork->nHeight);
CBlock block;
if (!block.ReadFromDisk(pindexFork))
return error("LoadBlockIndex() : block.ReadFromDisk failed");
CTxDB txdb;
block.SetBestChain(txdb, pindexFork);
}
return true;
}
//
// CAddrDB
//
bool CAddrDB::WriteAddress(const CAddress& addr)
{
return Write(make_pair(string("addr"), addr.GetKey()), addr);
}
bool CAddrDB::EraseAddress(const CAddress& addr)
{
return Erase(make_pair(string("addr"), addr.GetKey()));
}
bool CAddrDB::LoadAddresses()
{
CRITICAL_BLOCK(cs_mapAddresses)
{
// Load user provided addresses
CAutoFile filein = fopen((GetDataDir() + "/addr.txt").c_str(), "rt");
if (filein)
{
try
{
char psz[1000];
while (fgets(psz, sizeof(psz), filein))
{
CAddress addr(psz, NODE_NETWORK);
addr.nTime = 0; // so it won't relay unless successfully connected
if (addr.IsValid())
AddAddress(addr);
}
}
catch (...) { }
}
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
loop
{
// Read next record
CDataStream ssKey;
CDataStream ssValue;
int ret = ReadAtCursor(pcursor, ssKey, ssValue);
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
return false;
// Unserialize
string strType;
ssKey >> strType;
if (strType == "addr")
{
CAddress addr;
ssValue >> addr;
mapAddresses.insert(make_pair(addr.GetKey(), addr));
}
}
pcursor->close();
printf("Loaded %d addresses\n", mapAddresses.size());
}
return true;
}
bool LoadAddresses()
{
return CAddrDB("cr+").LoadAddresses();
}
//
// CWalletDB
//
bool CWalletDB::WriteName(const string& strAddress, const string& strName)
{
nWalletDBUpdated++;
return Write(make_pair(string("name"), strAddress), strName);
}
bool CWalletDB::EraseName(const string& strAddress)
{
// This should only be used for sending addresses, never for receiving addresses,
// receiving addresses must always have an address book entry if they're not change return.
nWalletDBUpdated++;
return Erase(make_pair(string("name"), strAddress));
}
bool CWalletDB::ReadAccount(const string& strAccount, CAccount& account)
{
account.SetNull();
return Read(make_pair(string("acc"), strAccount), account);
}
bool CWalletDB::WriteAccount(const string& strAccount, const CAccount& account)
{
return Write(make_pair(string("acc"), strAccount), account);
}
bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry)
{
return Write(make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry);
}
int64 CWalletDB::GetAccountCreditDebit(const string& strAccount)
{
list<CAccountingEntry> entries;
ListAccountCreditDebit(strAccount, entries);
int64 nCreditDebit = 0;
BOOST_FOREACH (const CAccountingEntry& entry, entries)
nCreditDebit += entry.nCreditDebit;
return nCreditDebit;
}
void CWalletDB::ListAccountCreditDebit(const string& strAccount, list<CAccountingEntry>& entries)
{
int64 nCreditDebit = 0;
bool fAllAccounts = (strAccount == "*");
Dbc* pcursor = GetCursor();
if (!pcursor)
throw runtime_error("CWalletDB::ListAccountCreditDebit() : cannot create DB cursor");
unsigned int fFlags = DB_SET_RANGE;
loop
{
// Read next record
CDataStream ssKey;
if (fFlags == DB_SET_RANGE)
ssKey << make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0));
CDataStream ssValue;
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
{
pcursor->close();
throw runtime_error("CWalletDB::ListAccountCreditDebit() : error scanning DB");
}
// Unserialize
string strType;
ssKey >> strType;
if (strType != "acentry")
break;
CAccountingEntry acentry;
ssKey >> acentry.strAccount;
if (!fAllAccounts && acentry.strAccount != strAccount)
break;
ssValue >> acentry;
entries.push_back(acentry);
}
pcursor->close();
}
bool CWalletDB::LoadWallet(CWallet* pwallet)
{
pwallet->vchDefaultKey.clear();
int nFileVersion = 0;
vector<uint256> vWalletUpgrade;
// Modify defaults
#ifndef __WXMSW__
// Tray icon sometimes disappears on 9.10 karmic koala 64-bit, leaving no way to access the program
fMinimizeToTray = false;
fMinimizeOnClose = false;
#endif
//// todo: shouldn't we catch exceptions and try to recover and continue?
CRITICAL_BLOCK(pwallet->cs_mapWallet)
CRITICAL_BLOCK(pwallet->cs_mapKeys)
{
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
loop
{
// Read next record
CDataStream ssKey;
CDataStream ssValue;
int ret = ReadAtCursor(pcursor, ssKey, ssValue);
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
return false;
// Unserialize
// Taking advantage of the fact that pair serialization
// is just the two items serialized one after the other
string strType;
ssKey >> strType;
if (strType == "name")
{
string strAddress;
ssKey >> strAddress;
ssValue >> pwallet->mapAddressBook[strAddress];
}
else if (strType == "tx")
{
uint256 hash;
ssKey >> hash;
CWalletTx& wtx = pwallet->mapWallet[hash];
ssValue >> wtx;
wtx.pwallet = pwallet;
if (wtx.GetHash() != hash)
printf("Error in wallet.dat, hash mismatch\n");
// Undo serialize changes in 31600
if (31404 <= wtx.fTimeReceivedIsTxTime && wtx.fTimeReceivedIsTxTime <= 31703)
{
if (!ssValue.empty())
{
char fTmp;
char fUnused;
ssValue >> fTmp >> fUnused >> wtx.strFromAccount;
printf("LoadWallet() upgrading tx ver=%d %d '%s' %s\n", wtx.fTimeReceivedIsTxTime, fTmp, wtx.strFromAccount.c_str(), hash.ToString().c_str());
wtx.fTimeReceivedIsTxTime = fTmp;
}
else
{
printf("LoadWallet() repairing tx ver=%d %s\n", wtx.fTimeReceivedIsTxTime, hash.ToString().c_str());
wtx.fTimeReceivedIsTxTime = 0;
}
vWalletUpgrade.push_back(hash);
}
//// debug print
//printf("LoadWallet %s\n", wtx.GetHash().ToString().c_str());
//printf(" %12I64d %s %s %s\n",
// wtx.vout[0].nValue,
// DateTimeStrFormat("%x %H:%M:%S", wtx.GetBlockTime()).c_str(),
// wtx.hashBlock.ToString().substr(0,20).c_str(),
// wtx.mapValue["message"].c_str());
}
else if (strType == "acentry")
{
string strAccount;
ssKey >> strAccount;
uint64 nNumber;
ssKey >> nNumber;
if (nNumber > nAccountingEntryNumber)
nAccountingEntryNumber = nNumber;
}
else if (strType == "key" || strType == "wkey")
{
vector<unsigned char> vchPubKey;
ssKey >> vchPubKey;
CWalletKey wkey;
if (strType == "key")
ssValue >> wkey.vchPrivKey;
else
ssValue >> wkey;
pwallet->mapKeys[vchPubKey] = wkey.vchPrivKey;
mapPubKeys[Hash160(vchPubKey)] = vchPubKey;
}
else if (strType == "defaultkey")
{
ssValue >> pwallet->vchDefaultKey;
}
else if (strType == "pool")
{
int64 nIndex;
ssKey >> nIndex;
pwallet->setKeyPool.insert(nIndex);
}
else if (strType == "version")
{
ssValue >> nFileVersion;
if (nFileVersion == 10300)
nFileVersion = 300;
}
else if (strType == "setting")
{
string strKey;
ssKey >> strKey;
// Options
#ifndef GUI
if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins;
#endif
if (strKey == "nTransactionFee") ssValue >> nTransactionFee;
if (strKey == "addrIncoming") ssValue >> addrIncoming;
if (strKey == "fLimitProcessors") ssValue >> fLimitProcessors;
if (strKey == "nLimitProcessors") ssValue >> nLimitProcessors;
if (strKey == "fMinimizeToTray") ssValue >> fMinimizeToTray;
if (strKey == "fMinimizeOnClose") ssValue >> fMinimizeOnClose;
if (strKey == "fUseProxy") ssValue >> fUseProxy;
if (strKey == "addrProxy") ssValue >> addrProxy;
if (fHaveUPnP && strKey == "fUseUPnP") ssValue >> fUseUPnP;
}
}
pcursor->close();
}
BOOST_FOREACH(uint256 hash, vWalletUpgrade)
WriteTx(hash, pwallet->mapWallet[hash]);
printf("nFileVersion = %d\n", nFileVersion);
printf("fGenerateBitcoins = %d\n", fGenerateBitcoins);
printf("nTransactionFee = %"PRI64d"\n", nTransactionFee);
printf("addrIncoming = %s\n", addrIncoming.ToString().c_str());
printf("fMinimizeToTray = %d\n", fMinimizeToTray);
printf("fMinimizeOnClose = %d\n", fMinimizeOnClose);
printf("fUseProxy = %d\n", fUseProxy);
printf("addrProxy = %s\n", addrProxy.ToString().c_str());
if (fHaveUPnP)
printf("fUseUPnP = %d\n", fUseUPnP);
// Upgrade
if (nFileVersion < VERSION)
{
// Get rid of old debug.log file in current directory
if (nFileVersion <= 105 && !pszSetDataDir[0])
unlink("debug.log");
WriteVersion(VERSION);
}
return true;
}
void ThreadFlushWalletDB(void* parg)
{
const string& strFile = ((const string*)parg)[0];
static bool fOneThread;
if (fOneThread)
return;
fOneThread = true;
if (mapArgs.count("-noflushwallet"))
return;
unsigned int nLastSeen = nWalletDBUpdated;
unsigned int nLastFlushed = nWalletDBUpdated;
int64 nLastWalletUpdate = GetTime();
while (!fShutdown)
{
Sleep(500);
if (nLastSeen != nWalletDBUpdated)
{
nLastSeen = nWalletDBUpdated;
nLastWalletUpdate = GetTime();
}
if (nLastFlushed != nWalletDBUpdated && GetTime() - nLastWalletUpdate >= 2)
{
TRY_CRITICAL_BLOCK(cs_db)
{
// Don't do this if any databases are in use
int nRefCount = 0;
map<string, int>::iterator mi = mapFileUseCount.begin();
while (mi != mapFileUseCount.end())
{
nRefCount += (*mi).second;
mi++;
}
if (nRefCount == 0 && !fShutdown)
{
map<string, int>::iterator mi = mapFileUseCount.find(strFile);
if (mi != mapFileUseCount.end())
{
printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
printf("Flushing wallet.dat\n");
nLastFlushed = nWalletDBUpdated;
int64 nStart = GetTimeMillis();
// Flush wallet.dat so it's self contained
CloseDb(strFile);
dbenv.txn_checkpoint(0, 0, 0);
dbenv.lsn_reset(strFile.c_str(), 0);
mapFileUseCount.erase(mi++);
printf("Flushed wallet.dat %"PRI64d"ms\n", GetTimeMillis() - nStart);
}
}
}
}
}
}
bool BackupWallet(const CWallet& wallet, const string& strDest)
{
if (!wallet.fFileBacked)
return false;
while (!fShutdown)
{
CRITICAL_BLOCK(cs_db)
{
if (!mapFileUseCount.count(wallet.strWalletFile) || mapFileUseCount[wallet.strWalletFile] == 0)
{
// Flush log data to the dat file
CloseDb(wallet.strWalletFile);
dbenv.txn_checkpoint(0, 0, 0);
dbenv.lsn_reset(wallet.strWalletFile.c_str(), 0);
mapFileUseCount.erase(wallet.strWalletFile);
// Copy wallet.dat
filesystem::path pathSrc(GetDataDir() + "/" + wallet.strWalletFile);
filesystem::path pathDest(strDest);
if (filesystem::is_directory(pathDest))
pathDest = pathDest / wallet.strWalletFile;
#if BOOST_VERSION >= 104000
filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
#else
filesystem::copy_file(pathSrc, pathDest);
#endif
printf("copied wallet.dat to %s\n", pathDest.string().c_str());
return true;
}
}
Sleep(100);
}
return false;
}
diff --git a/src/init.cpp b/src/init.cpp
index 62bf1693f1..a0c90e0a7a 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1,542 +1,543 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
#include "db.h"
#include "rpc.h"
#include "net.h"
#include "init.h"
#include "strlcpy.h"
+#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/interprocess/sync/file_lock.hpp>
using namespace std;
using namespace boost;
CWallet* pwalletMain;
//////////////////////////////////////////////////////////////////////////////
//
// Shutdown
//
void ExitTimeout(void* parg)
{
#ifdef __WXMSW__
Sleep(5000);
ExitProcess(0);
#endif
}
void Shutdown(void* parg)
{
static CCriticalSection cs_Shutdown;
static bool fTaken;
bool fFirstThread;
CRITICAL_BLOCK(cs_Shutdown)
{
fFirstThread = !fTaken;
fTaken = true;
}
static bool fExit;
if (fFirstThread)
{
fShutdown = true;
nTransactionsUpdated++;
DBFlush(false);
StopNode();
DBFlush(true);
boost::filesystem::remove(GetPidFile());
UnregisterWallet(pwalletMain);
delete pwalletMain;
CreateThread(ExitTimeout, NULL);
Sleep(50);
printf("Bitcoin exiting\n\n");
fExit = true;
exit(0);
}
else
{
while (!fExit)
Sleep(500);
Sleep(100);
ExitThread(0);
}
}
void HandleSIGTERM(int)
{
fRequestShutdown = true;
}
//////////////////////////////////////////////////////////////////////////////
//
// Start
//
#ifndef GUI
int main(int argc, char* argv[])
{
bool fRet = false;
fRet = AppInit(argc, argv);
if (fRet && fDaemon)
return 0;
return 1;
}
#endif
bool AppInit(int argc, char* argv[])
{
bool fRet = false;
try
{
fRet = AppInit2(argc, argv);
}
catch (std::exception& e) {
PrintException(&e, "AppInit()");
} catch (...) {
PrintException(NULL, "AppInit()");
}
if (!fRet)
Shutdown(NULL);
return fRet;
}
bool AppInit2(int argc, char* argv[])
{
#ifdef _MSC_VER
// Turn off microsoft heap dump noise
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
#endif
#if _MSC_VER >= 1400
// Disable confusing "helpful" text message on abort, ctrl-c
_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
#ifndef __WXMSW__
umask(077);
#endif
#ifndef __WXMSW__
// Clean shutdown on SIGTERM
struct sigaction sa;
sa.sa_handler = HandleSIGTERM;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGHUP, &sa, NULL);
#endif
//
// Parameters
//
ParseParameters(argc, argv);
if (mapArgs.count("-datadir"))
{
filesystem::path pathDataDir = filesystem::system_complete(mapArgs["-datadir"]);
strlcpy(pszSetDataDir, pathDataDir.string().c_str(), sizeof(pszSetDataDir));
}
ReadConfigFile(mapArgs, mapMultiArgs); // Must be done after processing datadir
if (mapArgs.count("-?") || mapArgs.count("--help"))
{
string strUsage = string() +
_("Bitcoin version") + " " + FormatFullVersion() + "\n\n" +
_("Usage:") + "\t\t\t\t\t\t\t\t\t\t\n" +
" bitcoin [options] \t " + "\n" +
" bitcoin [options] <command> [params]\t " + _("Send command to -server or bitcoind\n") +
" bitcoin [options] help \t\t " + _("List commands\n") +
" bitcoin [options] help <command> \t\t " + _("Get help for a command\n") +
_("Options:\n") +
" -conf=<file> \t\t " + _("Specify configuration file (default: bitcoin.conf)\n") +
" -pid=<file> \t\t " + _("Specify pid file (default: bitcoind.pid)\n") +
" -gen \t\t " + _("Generate coins\n") +
" -gen=0 \t\t " + _("Don't generate coins\n") +
" -min \t\t " + _("Start minimized\n") +
" -datadir=<dir> \t\t " + _("Specify data directory\n") +
" -timeout=<n> \t " + _("Specify connection timeout (in milliseconds)\n") +
" -proxy=<ip:port> \t " + _("Connect through socks4 proxy\n") +
" -dns \t " + _("Allow DNS lookups for addnode and connect\n") +
" -addnode=<ip> \t " + _("Add a node to connect to\n") +
" -connect=<ip> \t\t " + _("Connect only to the specified node\n") +
" -nolisten \t " + _("Don't accept connections from outside\n") +
#ifdef USE_UPNP
#if USE_UPNP
" -noupnp \t " + _("Don't attempt to use UPnP to map the listening port\n") +
#else
" -upnp \t " + _("Attempt to use UPnP to map the listening port\n") +
#endif
#endif
" -paytxfee=<amt> \t " + _("Fee per KB to add to transactions you send\n") +
#ifdef GUI
" -server \t\t " + _("Accept command line and JSON-RPC commands\n") +
#endif
#ifndef __WXMSW__
" -daemon \t\t " + _("Run in the background as a daemon and accept commands\n") +
#endif
" -testnet \t\t " + _("Use the test network\n") +
" -rpcuser=<user> \t " + _("Username for JSON-RPC connections\n") +
" -rpcpassword=<pw>\t " + _("Password for JSON-RPC connections\n") +
" -rpcport=<port> \t\t " + _("Listen for JSON-RPC connections on <port> (default: 8332)\n") +
" -rpcallowip=<ip> \t\t " + _("Allow JSON-RPC connections from specified IP address\n") +
" -rpcconnect=<ip> \t " + _("Send commands to node running on <ip> (default: 127.0.0.1)\n") +
" -keypool=<n> \t " + _("Set key pool size to <n> (default: 100)\n") +
" -rescan \t " + _("Rescan the block chain for missing wallet transactions\n");
#ifdef USE_SSL
strUsage += string() +
_("\nSSL options: (see the Bitcoin Wiki for SSL setup instructions)\n") +
" -rpcssl \t " + _("Use OpenSSL (https) for JSON-RPC connections\n") +
" -rpcsslcertificatechainfile=<file.cert>\t " + _("Server certificate file (default: server.cert)\n") +
" -rpcsslprivatekeyfile=<file.pem> \t " + _("Server private key (default: server.pem)\n") +
" -rpcsslciphers=<ciphers> \t " + _("Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)\n");
#endif
strUsage += string() +
" -? \t\t " + _("This help message\n");
#if defined(__WXMSW__) && defined(GUI)
// Tabs make the columns line up in the message box
wxMessageBox(strUsage, "Bitcoin", wxOK);
#else
// Remove tabs
strUsage.erase(std::remove(strUsage.begin(), strUsage.end(), '\t'), strUsage.end());
fprintf(stderr, "%s", strUsage.c_str());
#endif
return false;
}
fDebug = GetBoolArg("-debug");
fAllowDNS = GetBoolArg("-dns");
#ifndef __WXMSW__
fDaemon = GetBoolArg("-daemon");
#else
fDaemon = false;
#endif
if (fDaemon)
fServer = true;
else
fServer = GetBoolArg("-server");
/* force fServer when running without GUI */
#ifndef GUI
fServer = true;
#endif
fPrintToConsole = GetBoolArg("-printtoconsole");
fPrintToDebugger = GetBoolArg("-printtodebugger");
fTestNet = GetBoolArg("-testnet");
fNoListen = GetBoolArg("-nolisten");
fLogTimestamps = GetBoolArg("-logtimestamps");
for (int i = 1; i < argc; i++)
if (!IsSwitchChar(argv[i][0]))
fCommandLine = true;
if (fCommandLine)
{
int ret = CommandLineRPC(argc, argv);
exit(ret);
}
#ifndef __WXMSW__
if (fDaemon)
{
// Daemonize
pid_t pid = fork();
if (pid < 0)
{
fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
return false;
}
if (pid > 0)
{
CreatePidFile(GetPidFile(), pid);
return true;
}
pid_t sid = setsid();
if (sid < 0)
fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
}
#endif
if (!fDebug && !pszSetDataDir[0])
ShrinkDebugFile();
printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
printf("Bitcoin version %s\n", FormatFullVersion().c_str());
#ifdef GUI
printf("OS version %s\n", ((string)wxGetOsDescription()).c_str());
printf("System default language is %d %s\n", g_locale.GetSystemLanguage(), ((string)g_locale.GetSysName()).c_str());
printf("Language file %s (%s)\n", (string("locale/") + (string)g_locale.GetCanonicalName() + "/LC_MESSAGES/bitcoin.mo").c_str(), ((string)g_locale.GetLocale()).c_str());
#endif
printf("Default data directory %s\n", GetDefaultDataDir().c_str());
if (GetBoolArg("-loadblockindextest"))
{
CTxDB txdb("r");
txdb.LoadBlockIndex();
PrintBlockTree();
return false;
}
//
// Limit to single instance per user
// Required to protect the database files if we're going to keep deleting log.*
//
#if defined(__WXMSW__) && defined(GUI)
// wxSingleInstanceChecker doesn't work on Linux
wxString strMutexName = wxString("bitcoin_running.") + getenv("HOMEPATH");
for (int i = 0; i < strMutexName.size(); i++)
if (!isalnum(strMutexName[i]))
strMutexName[i] = '.';
wxSingleInstanceChecker* psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
if (psingleinstancechecker->IsAnotherRunning())
{
printf("Existing instance found\n");
unsigned int nStart = GetTime();
loop
{
// Show the previous instance and exit
HWND hwndPrev = FindWindowA("wxWindowClassNR", "Bitcoin");
if (hwndPrev)
{
if (IsIconic(hwndPrev))
ShowWindow(hwndPrev, SW_RESTORE);
SetForegroundWindow(hwndPrev);
return false;
}
if (GetTime() > nStart + 60)
return false;
// Resume this instance if the other exits
delete psingleinstancechecker;
Sleep(1000);
psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
if (!psingleinstancechecker->IsAnotherRunning())
break;
}
}
#endif
// Make sure only a single bitcoin process is using the data directory.
string strLockFile = GetDataDir() + "/.lock";
FILE* file = fopen(strLockFile.c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file) fclose(file);
static boost::interprocess::file_lock lock(strLockFile.c_str());
if (!lock.try_lock())
{
wxMessageBox(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), GetDataDir().c_str()), "Bitcoin");
return false;
}
// Bind to the port early so we can tell if another instance is already running.
string strErrors;
if (!fNoListen)
{
if (!BindListenPort(strErrors))
{
wxMessageBox(strErrors, "Bitcoin");
return false;
}
}
//
// Load data files
//
if (fDaemon)
fprintf(stdout, "bitcoin server starting\n");
strErrors = "";
int64 nStart;
printf("Loading addresses...\n");
nStart = GetTimeMillis();
if (!LoadAddresses())
strErrors += _("Error loading addr.dat \n");
printf(" addresses %15"PRI64d"ms\n", GetTimeMillis() - nStart);
printf("Loading block index...\n");
nStart = GetTimeMillis();
if (!LoadBlockIndex())
strErrors += _("Error loading blkindex.dat \n");
printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart);
printf("Loading wallet...\n");
nStart = GetTimeMillis();
bool fFirstRun;
pwalletMain = new CWallet("wallet.dat");
if (!pwalletMain->LoadWallet(fFirstRun))
strErrors += _("Error loading wallet.dat \n");
printf(" wallet %15"PRI64d"ms\n", GetTimeMillis() - nStart);
RegisterWallet(pwalletMain);
CBlockIndex *pindexRescan = pindexBest;
if (GetBoolArg("-rescan"))
pindexRescan = pindexGenesisBlock;
else
{
CWalletDB walletdb("wallet.dat");
CBlockLocator locator;
if (walletdb.ReadBestBlock(locator))
pindexRescan = locator.GetBlockIndex();
}
if (pindexBest != pindexRescan)
{
printf("Rescanning last %i blocks (from block %i)...\n", pindexBest->nHeight - pindexRescan->nHeight, pindexRescan->nHeight);
nStart = GetTimeMillis();
pwalletMain->ScanForWalletTransactions(pindexRescan, true);
printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart);
}
printf("Done loading\n");
//// debug print
printf("mapBlockIndex.size() = %d\n", mapBlockIndex.size());
printf("nBestHeight = %d\n", nBestHeight);
printf("mapKeys.size() = %d\n", pwalletMain->mapKeys.size());
printf("setKeyPool.size() = %d\n", pwalletMain->setKeyPool.size());
printf("mapPubKeys.size() = %d\n", mapPubKeys.size());
printf("mapWallet.size() = %d\n", pwalletMain->mapWallet.size());
printf("mapAddressBook.size() = %d\n", pwalletMain->mapAddressBook.size());
if (!strErrors.empty())
{
wxMessageBox(strErrors, "Bitcoin", wxOK | wxICON_ERROR);
return false;
}
// Add wallet transactions that aren't already in a block to mapTransactions
pwalletMain->ReacceptWalletTransactions();
//
// Parameters
//
if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree"))
{
PrintBlockTree();
return false;
}
if (mapArgs.count("-timeout"))
{
int nNewTimeout = GetArg("-timeout", 5000);
if (nNewTimeout > 0 && nNewTimeout < 600000)
nConnectTimeout = nNewTimeout;
}
if (mapArgs.count("-printblock"))
{
string strMatch = mapArgs["-printblock"];
int nFound = 0;
for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
{
uint256 hash = (*mi).first;
if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)
{
CBlockIndex* pindex = (*mi).second;
CBlock block;
block.ReadFromDisk(pindex);
block.BuildMerkleTree();
block.print();
printf("\n");
nFound++;
}
}
if (nFound == 0)
printf("No blocks matching %s were found\n", strMatch.c_str());
return false;
}
fGenerateBitcoins = GetBoolArg("-gen");
if (mapArgs.count("-proxy"))
{
fUseProxy = true;
addrProxy = CAddress(mapArgs["-proxy"]);
if (!addrProxy.IsValid())
{
wxMessageBox(_("Invalid -proxy address"), "Bitcoin");
return false;
}
}
if (mapArgs.count("-addnode"))
{
BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"])
{
CAddress addr(strAddr, fAllowDNS);
addr.nTime = 0; // so it won't relay unless successfully connected
if (addr.IsValid())
AddAddress(addr);
}
}
if (mapArgs.count("-dnsseed"))
DNSAddressSeed();
if (mapArgs.count("-paytxfee"))
{
if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
{
wxMessageBox(_("Invalid amount for -paytxfee=<amount>"), "Bitcoin");
return false;
}
if (nTransactionFee > 0.25 * COIN)
wxMessageBox(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."), "Bitcoin", wxOK | wxICON_EXCLAMATION);
}
if (fHaveUPnP)
{
#if USE_UPNP
if (GetBoolArg("-noupnp"))
fUseUPnP = false;
#else
if (GetBoolArg("-upnp"))
fUseUPnP = true;
#endif
}
//
// Create the main window and start the node
//
#ifdef GUI
if (!fDaemon)
CreateMainWindow();
#endif
if (!CheckDiskSpace())
return false;
RandAddSeedPerfmon();
if (!CreateThread(StartNode, NULL))
wxMessageBox("Error: CreateThread(StartNode) failed", "Bitcoin");
if (fServer)
CreateThread(ThreadRPCServer, NULL);
#if defined(__WXMSW__) && defined(GUI)
if (fFirstRun)
SetStartOnSystemStartup(true);
#endif
#ifndef GUI
while (1)
Sleep(5000);
#endif
return true;
}
diff --git a/src/main.cpp b/src/main.cpp
index e3ec47d2f3..731402194d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,3098 +1,3099 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
#include "db.h"
#include "net.h"
#include "init.h"
#include "cryptopp/sha.h"
+#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
using namespace std;
using namespace boost;
//
// Global state
//
CCriticalSection cs_setpwalletRegistered;
set<CWallet*> setpwalletRegistered;
CCriticalSection cs_main;
CCriticalSection cs_mapPubKeys;
map<uint160, vector<unsigned char> > mapPubKeys;
map<uint256, CTransaction> mapTransactions;
CCriticalSection cs_mapTransactions;
unsigned int nTransactionsUpdated = 0;
map<COutPoint, CInPoint> mapNextTx;
map<uint256, CBlockIndex*> mapBlockIndex;
uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
CBlockIndex* pindexGenesisBlock = NULL;
int nBestHeight = -1;
CBigNum bnBestChainWork = 0;
CBigNum bnBestInvalidWork = 0;
uint256 hashBestChain = 0;
CBlockIndex* pindexBest = NULL;
int64 nTimeBestReceived = 0;
map<uint256, CBlock*> mapOrphanBlocks;
multimap<uint256, CBlock*> mapOrphanBlocksByPrev;
map<uint256, CDataStream*> mapOrphanTransactions;
multimap<uint256, CDataStream*> mapOrphanTransactionsByPrev;
double dHashesPerSec;
int64 nHPSTimerStart;
// Settings
int fGenerateBitcoins = false;
int64 nTransactionFee = 0;
CAddress addrIncoming;
int fLimitProcessors = false;
int nLimitProcessors = 1;
int fMinimizeToTray = true;
int fMinimizeOnClose = true;
#if USE_UPNP
int fUseUPnP = true;
#else
int fUseUPnP = false;
#endif
//////////////////////////////////////////////////////////////////////////////
//
// dispatching functions
//
void RegisterWallet(CWallet* pwalletIn)
{
CRITICAL_BLOCK(cs_setpwalletRegistered)
{
setpwalletRegistered.insert(pwalletIn);
}
}
void UnregisterWallet(CWallet* pwalletIn)
{
CRITICAL_BLOCK(cs_setpwalletRegistered)
{
setpwalletRegistered.erase(pwalletIn);
}
}
bool static IsFromMe(CTransaction& tx)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
if (pwallet->IsFromMe(tx))
return true;
return false;
}
bool static GetTransaction(const uint256& hashTx, CWalletTx& wtx)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
if (pwallet->GetTransaction(hashTx,wtx))
return true;
return false;
}
void static EraseFromWallets(uint256 hash)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->EraseFromWallet(hash);
}
void static SyncWithWallets(const CTransaction& tx, const CBlock* pblock = NULL, bool fUpdate = false)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->AddToWalletIfInvolvingMe(tx, pblock, fUpdate);
}
void static SetBestChain(const CBlockLocator& loc)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->SetBestChain(loc);
}
void static UpdatedTransaction(const uint256& hashTx)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->UpdatedTransaction(hashTx);
}
void static PrintWallets(const CBlock& block)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->PrintWallet(block);
}
void static Inventory(const uint256& hash)
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->Inventory(hash);
}
void static ResendWalletTransactions()
{
BOOST_FOREACH(CWallet* pwallet, setpwalletRegistered)
pwallet->ResendWalletTransactions();
}
//////////////////////////////////////////////////////////////////////////////
//
// mapOrphanTransactions
//
void static AddOrphanTx(const CDataStream& vMsg)
{
CTransaction tx;
CDataStream(vMsg) >> tx;
uint256 hash = tx.GetHash();
if (mapOrphanTransactions.count(hash))
return;
CDataStream* pvMsg = mapOrphanTransactions[hash] = new CDataStream(vMsg);
BOOST_FOREACH(const CTxIn& txin, tx.vin)
mapOrphanTransactionsByPrev.insert(make_pair(txin.prevout.hash, pvMsg));
}
void static EraseOrphanTx(uint256 hash)
{
if (!mapOrphanTransactions.count(hash))
return;
const CDataStream* pvMsg = mapOrphanTransactions[hash];
CTransaction tx;
CDataStream(*pvMsg) >> tx;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
{
for (multimap<uint256, CDataStream*>::iterator mi = mapOrphanTransactionsByPrev.lower_bound(txin.prevout.hash);
mi != mapOrphanTransactionsByPrev.upper_bound(txin.prevout.hash);)
{
if ((*mi).second == pvMsg)
mapOrphanTransactionsByPrev.erase(mi++);
else
mi++;
}
}
delete pvMsg;
mapOrphanTransactions.erase(hash);
}
//////////////////////////////////////////////////////////////////////////////
//
// CTransaction and CTxIndex
//
bool CTransaction::ReadFromDisk(CTxDB& txdb, COutPoint prevout, CTxIndex& txindexRet)
{
SetNull();
if (!txdb.ReadTxIndex(prevout.hash, txindexRet))
return false;
if (!ReadFromDisk(txindexRet.pos))
return false;
if (prevout.n >= vout.size())
{
SetNull();
return false;
}
return true;
}
bool CTransaction::ReadFromDisk(CTxDB& txdb, COutPoint prevout)
{
CTxIndex txindex;
return ReadFromDisk(txdb, prevout, txindex);
}
bool CTransaction::ReadFromDisk(COutPoint prevout)
{
CTxDB txdb("r");
CTxIndex txindex;
return ReadFromDisk(txdb, prevout, txindex);
}
int CMerkleTx::SetMerkleBranch(const CBlock* pblock)
{
if (fClient)
{
if (hashBlock == 0)
return 0;
}
else
{
CBlock blockTmp;
if (pblock == NULL)
{
// Load the block this tx is in
CTxIndex txindex;
if (!CTxDB("r").ReadTxIndex(GetHash(), txindex))
return 0;
if (!blockTmp.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos))
return 0;
pblock = &blockTmp;
}
// Update the tx's hashBlock
hashBlock = pblock->GetHash();
// Locate the transaction
for (nIndex = 0; nIndex < pblock->vtx.size(); nIndex++)
if (pblock->vtx[nIndex] == *(CTransaction*)this)
break;
if (nIndex == pblock->vtx.size())
{
vMerkleBranch.clear();
nIndex = -1;
printf("ERROR: SetMerkleBranch() : couldn't find tx in block\n");
return 0;
}
// Fill in merkle branch
vMerkleBranch = pblock->GetMerkleBranch(nIndex);
}
// Is the tx in a block that's in the main chain
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi == mapBlockIndex.end())
return 0;
CBlockIndex* pindex = (*mi).second;
if (!pindex || !pindex->IsInMainChain())
return 0;
return pindexBest->nHeight - pindex->nHeight + 1;
}
bool CTransaction::CheckTransaction() const
{
// Basic checks that don't depend on any context
if (vin.empty() || vout.empty())
return error("CTransaction::CheckTransaction() : vin or vout empty");
// Size limits
if (::GetSerializeSize(*this, SER_NETWORK) > MAX_BLOCK_SIZE)
return error("CTransaction::CheckTransaction() : size limits failed");
// Check for negative or overflow output values
int64 nValueOut = 0;
BOOST_FOREACH(const CTxOut& txout, vout)
{
if (txout.nValue < 0)
return error("CTransaction::CheckTransaction() : txout.nValue negative");
if (txout.nValue > MAX_MONEY)
return error("CTransaction::CheckTransaction() : txout.nValue too high");
nValueOut += txout.nValue;
if (!MoneyRange(nValueOut))
return error("CTransaction::CheckTransaction() : txout total out of range");
}
if (IsCoinBase())
{
if (vin[0].scriptSig.size() < 2 || vin[0].scriptSig.size() > 100)
return error("CTransaction::CheckTransaction() : coinbase script size");
}
else
{
BOOST_FOREACH(const CTxIn& txin, vin)
if (txin.prevout.IsNull())
return error("CTransaction::CheckTransaction() : prevout is null");
}
return true;
}
bool CTransaction::AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs, bool* pfMissingInputs)
{
if (pfMissingInputs)
*pfMissingInputs = false;
if (!CheckTransaction())
return error("AcceptToMemoryPool() : CheckTransaction failed");
// Coinbase is only valid in a block, not as a loose transaction
if (IsCoinBase())
return error("AcceptToMemoryPool() : coinbase as individual tx");
// To help v0.1.5 clients who would see it as a negative number
if ((int64)nLockTime > INT_MAX)
return error("AcceptToMemoryPool() : not accepting nLockTime beyond 2038 yet");
// Safety limits
unsigned int nSize = ::GetSerializeSize(*this, SER_NETWORK);
// Checking ECDSA signatures is a CPU bottleneck, so to avoid denial-of-service
// attacks disallow transactions with more than one SigOp per 34 bytes.
// 34 bytes because a TxOut is:
// 20-byte address + 8 byte bitcoin amount + 5 bytes of ops + 1 byte script length
if (GetSigOpCount() > nSize / 34 || nSize < 100)
return error("AcceptToMemoryPool() : nonstandard transaction");
// Rather not work on nonstandard transactions (unless -testnet)
if (!fTestNet && !IsStandard())
return error("AcceptToMemoryPool() : nonstandard transaction type");
// Do we already have it?
uint256 hash = GetHash();
CRITICAL_BLOCK(cs_mapTransactions)
if (mapTransactions.count(hash))
return false;
if (fCheckInputs)
if (txdb.ContainsTx(hash))
return false;
// Check for conflicts with in-memory transactions
CTransaction* ptxOld = NULL;
for (int i = 0; i < vin.size(); i++)
{
COutPoint outpoint = vin[i].prevout;
if (mapNextTx.count(outpoint))
{
// Disable replacement feature for now
return false;
// Allow replacing with a newer version of the same transaction
if (i != 0)
return false;
ptxOld = mapNextTx[outpoint].ptx;
if (ptxOld->IsFinal())
return false;
if (!IsNewerThan(*ptxOld))
return false;
for (int i = 0; i < vin.size(); i++)
{
COutPoint outpoint = vin[i].prevout;
if (!mapNextTx.count(outpoint) || mapNextTx[outpoint].ptx != ptxOld)
return false;
}
break;
}
}
if (fCheckInputs)
{
// Check against previous transactions
map<uint256, CTxIndex> mapUnused;
int64 nFees = 0;
if (!ConnectInputs(txdb, mapUnused, CDiskTxPos(1,1,1), pindexBest, nFees, false, false))
{
if (pfMissingInputs)
*pfMissingInputs = true;
return error("AcceptToMemoryPool() : ConnectInputs failed %s", hash.ToString().substr(0,10).c_str());
}
// Don't accept it if it can't get into a block
if (nFees < GetMinFee(1000, true, true))
return error("AcceptToMemoryPool() : not enough fees");
// Continuously rate-limit free transactions
// This mitigates 'penny-flooding' -- sending thousands of free transactions just to
// be annoying or make other's transactions take longer to confirm.
if (nFees < MIN_RELAY_TX_FEE)
{
static CCriticalSection cs;
static double dFreeCount;
static int64 nLastTime;
int64 nNow = GetTime();
CRITICAL_BLOCK(cs)
{
// Use an exponentially decaying ~10-minute window:
dFreeCount *= pow(1.0 - 1.0/600.0, (double)(nNow - nLastTime));
nLastTime = nNow;
// -limitfreerelay unit is thousand-bytes-per-minute
// At default rate it would take over a month to fill 1GB
if (dFreeCount > GetArg("-limitfreerelay", 15)*10*1000 && !IsFromMe(*this))
return error("AcceptToMemoryPool() : free transaction rejected by rate limiter");
if (fDebug)
printf("Rate limit dFreeCount: %g => %g\n", dFreeCount, dFreeCount+nSize);
dFreeCount += nSize;
}
}
}
// Store transaction in memory
CRITICAL_BLOCK(cs_mapTransactions)
{
if (ptxOld)
{
printf("AcceptToMemoryPool() : replacing tx %s with new version\n", ptxOld->GetHash().ToString().c_str());
ptxOld->RemoveFromMemoryPool();
}
AddToMemoryPoolUnchecked();
}
///// are we sure this is ok when loading transactions or restoring block txes
// If updated, erase old tx from wallet
if (ptxOld)
EraseFromWallets(ptxOld->GetHash());
printf("AcceptToMemoryPool(): accepted %s\n", hash.ToString().substr(0,10).c_str());
return true;
}
bool CTransaction::AcceptToMemoryPool(bool fCheckInputs, bool* pfMissingInputs)
{
CTxDB txdb("r");
return AcceptToMemoryPool(txdb, fCheckInputs, pfMissingInputs);
}
bool CTransaction::AddToMemoryPoolUnchecked()
{
// Add to memory pool without checking anything. Don't call this directly,
// call AcceptToMemoryPool to properly check the transaction first.
CRITICAL_BLOCK(cs_mapTransactions)
{
uint256 hash = GetHash();
mapTransactions[hash] = *this;
for (int i = 0; i < vin.size(); i++)
mapNextTx[vin[i].prevout] = CInPoint(&mapTransactions[hash], i);
nTransactionsUpdated++;
}
return true;
}
bool CTransaction::RemoveFromMemoryPool()
{
// Remove transaction from memory pool
CRITICAL_BLOCK(cs_mapTransactions)
{
BOOST_FOREACH(const CTxIn& txin, vin)
mapNextTx.erase(txin.prevout);
mapTransactions.erase(GetHash());
nTransactionsUpdated++;
}
return true;
}
int CMerkleTx::GetDepthInMainChain(int& nHeightRet) const
{
if (hashBlock == 0 || nIndex == -1)
return 0;
// Find the block it claims to be in
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi == mapBlockIndex.end())
return 0;
CBlockIndex* pindex = (*mi).second;
if (!pindex || !pindex->IsInMainChain())
return 0;
// Make sure the merkle branch connects to this block
if (!fMerkleVerified)
{
if (CBlock::CheckMerkleBranch(GetHash(), vMerkleBranch, nIndex) != pindex->hashMerkleRoot)
return 0;
fMerkleVerified = true;
}
nHeightRet = pindex->nHeight;
return pindexBest->nHeight - pindex->nHeight + 1;
}
int CMerkleTx::GetBlocksToMaturity() const
{
if (!IsCoinBase())
return 0;
return max(0, (COINBASE_MATURITY+20) - GetDepthInMainChain());
}
bool CMerkleTx::AcceptToMemoryPool(CTxDB& txdb, bool fCheckInputs)
{
if (fClient)
{
if (!IsInMainChain() && !ClientConnectInputs())
return false;
return CTransaction::AcceptToMemoryPool(txdb, false);
}
else
{
return CTransaction::AcceptToMemoryPool(txdb, fCheckInputs);
}
}
bool CMerkleTx::AcceptToMemoryPool()
{
CTxDB txdb("r");
return AcceptToMemoryPool(txdb);
}
bool CWalletTx::AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs)
{
CRITICAL_BLOCK(cs_mapTransactions)
{
// Add previous supporting transactions first
BOOST_FOREACH(CMerkleTx& tx, vtxPrev)
{
if (!tx.IsCoinBase())
{
uint256 hash = tx.GetHash();
if (!mapTransactions.count(hash) && !txdb.ContainsTx(hash))
tx.AcceptToMemoryPool(txdb, fCheckInputs);
}
}
return AcceptToMemoryPool(txdb, fCheckInputs);
}
return false;
}
bool CWalletTx::AcceptWalletTransaction()
{
CTxDB txdb("r");
return AcceptWalletTransaction(txdb);
}
int CTxIndex::GetDepthInMainChain() const
{
// Read block header
CBlock block;
if (!block.ReadFromDisk(pos.nFile, pos.nBlockPos, false))
return 0;
// Find the block in the index
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(block.GetHash());
if (mi == mapBlockIndex.end())
return 0;
CBlockIndex* pindex = (*mi).second;
if (!pindex || !pindex->IsInMainChain())
return 0;
return 1 + nBestHeight - pindex->nHeight;
}
//////////////////////////////////////////////////////////////////////////////
//
// CBlock and CBlockIndex
//
bool CBlock::ReadFromDisk(const CBlockIndex* pindex, bool fReadTransactions)
{
if (!fReadTransactions)
{
*this = pindex->GetBlockHeader();
return true;
}
if (!ReadFromDisk(pindex->nFile, pindex->nBlockPos, fReadTransactions))
return false;
if (GetHash() != pindex->GetBlockHash())
return error("CBlock::ReadFromDisk() : GetHash() doesn't match index");
return true;
}
uint256 static GetOrphanRoot(const CBlock* pblock)
{
// Work back to the first block in the orphan chain
while (mapOrphanBlocks.count(pblock->hashPrevBlock))
pblock = mapOrphanBlocks[pblock->hashPrevBlock];
return pblock->GetHash();
}
int64 static GetBlockValue(int nHeight, int64 nFees)
{
int64 nSubsidy = 50 * COIN;
// Subsidy is cut in half every 4 years
nSubsidy >>= (nHeight / 210000);
return nSubsidy + nFees;
}
unsigned int static GetNextWorkRequired(const CBlockIndex* pindexLast)
{
const int64 nTargetTimespan = 14 * 24 * 60 * 60; // two weeks
const int64 nTargetSpacing = 10 * 60;
const int64 nInterval = nTargetTimespan / nTargetSpacing;
// Genesis block
if (pindexLast == NULL)
return bnProofOfWorkLimit.GetCompact();
// Only change once per interval
if ((pindexLast->nHeight+1) % nInterval != 0)
return pindexLast->nBits;
// Go back by what we want to be 14 days worth of blocks
const CBlockIndex* pindexFirst = pindexLast;
for (int i = 0; pindexFirst && i < nInterval-1; i++)
pindexFirst = pindexFirst->pprev;
assert(pindexFirst);
// Limit adjustment step
int64 nActualTimespan = pindexLast->GetBlockTime() - pindexFirst->GetBlockTime();
printf(" nActualTimespan = %"PRI64d" before bounds\n", nActualTimespan);
if (nActualTimespan < nTargetTimespan/4)
nActualTimespan = nTargetTimespan/4;
if (nActualTimespan > nTargetTimespan*4)
nActualTimespan = nTargetTimespan*4;
// Retarget
CBigNum bnNew;
bnNew.SetCompact(pindexLast->nBits);
bnNew *= nActualTimespan;
bnNew /= nTargetTimespan;
if (bnNew > bnProofOfWorkLimit)
bnNew = bnProofOfWorkLimit;
/// debug print
printf("GetNextWorkRequired RETARGET\n");
printf("nTargetTimespan = %"PRI64d" nActualTimespan = %"PRI64d"\n", nTargetTimespan, nActualTimespan);
printf("Before: %08x %s\n", pindexLast->nBits, CBigNum().SetCompact(pindexLast->nBits).getuint256().ToString().c_str());
printf("After: %08x %s\n", bnNew.GetCompact(), bnNew.getuint256().ToString().c_str());
return bnNew.GetCompact();
}
bool CheckProofOfWork(uint256 hash, unsigned int nBits)
{
CBigNum bnTarget;
bnTarget.SetCompact(nBits);
// Check range
if (bnTarget <= 0 || bnTarget > bnProofOfWorkLimit)
return error("CheckProofOfWork() : nBits below minimum work");
// Check proof of work matches claimed amount
if (hash > bnTarget.getuint256())
return error("CheckProofOfWork() : hash doesn't match nBits");
return true;
}
bool IsInitialBlockDownload()
{
if (pindexBest == NULL || (!fTestNet && nBestHeight < 118000))
return true;
static int64 nLastUpdate;
static CBlockIndex* pindexLastBest;
if (pindexBest != pindexLastBest)
{
pindexLastBest = pindexBest;
nLastUpdate = GetTime();
}
return (GetTime() - nLastUpdate < 10 &&
pindexBest->GetBlockTime() < GetTime() - 24 * 60 * 60);
}
void static InvalidChainFound(CBlockIndex* pindexNew)
{
if (pindexNew->bnChainWork > bnBestInvalidWork)
{
bnBestInvalidWork = pindexNew->bnChainWork;
CTxDB().WriteBestInvalidWork(bnBestInvalidWork);
MainFrameRepaint();
}
printf("InvalidChainFound: invalid block=%s height=%d work=%s\n", pindexNew->GetBlockHash().ToString().substr(0,20).c_str(), pindexNew->nHeight, pindexNew->bnChainWork.ToString().c_str());
printf("InvalidChainFound: current best=%s height=%d work=%s\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, bnBestChainWork.ToString().c_str());
if (pindexBest && bnBestInvalidWork > bnBestChainWork + pindexBest->GetBlockWork() * 6)
printf("InvalidChainFound: WARNING: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade.\n");
}
bool CTransaction::DisconnectInputs(CTxDB& txdb)
{
// Relinquish previous transactions' spent pointers
if (!IsCoinBase())
{
BOOST_FOREACH(const CTxIn& txin, vin)
{
COutPoint prevout = txin.prevout;
// Get prev txindex from disk
CTxIndex txindex;
if (!txdb.ReadTxIndex(prevout.hash, txindex))
return error("DisconnectInputs() : ReadTxIndex failed");
if (prevout.n >= txindex.vSpent.size())
return error("DisconnectInputs() : prevout.n out of range");
// Mark outpoint as not spent
txindex.vSpent[prevout.n].SetNull();
// Write back
if (!txdb.UpdateTxIndex(prevout.hash, txindex))
return error("DisconnectInputs() : UpdateTxIndex failed");
}
}
// Remove transaction from index
if (!txdb.EraseTxIndex(*this))
return error("DisconnectInputs() : EraseTxPos failed");
return true;
}
bool CTransaction::ConnectInputs(CTxDB& txdb, map<uint256, CTxIndex>& mapTestPool, CDiskTxPos posThisTx,
CBlockIndex* pindexBlock, int64& nFees, bool fBlock, bool fMiner, int64 nMinFee)
{
// Take over previous transactions' spent pointers
if (!IsCoinBase())
{
int64 nValueIn = 0;
for (int i = 0; i < vin.size(); i++)
{
COutPoint prevout = vin[i].prevout;
// Read txindex
CTxIndex txindex;
bool fFound = true;
if (fMiner && mapTestPool.count(prevout.hash))
{
// Get txindex from current proposed changes
txindex = mapTestPool[prevout.hash];
}
else
{
// Read txindex from txdb
fFound = txdb.ReadTxIndex(prevout.hash, txindex);
}
if (!fFound && (fBlock || fMiner))
return fMiner ? false : error("ConnectInputs() : %s prev tx %s index entry not found", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
// Read txPrev
CTransaction txPrev;
if (!fFound || txindex.pos == CDiskTxPos(1,1,1))
{
// Get prev tx from single transactions in memory
CRITICAL_BLOCK(cs_mapTransactions)
{
if (!mapTransactions.count(prevout.hash))
return error("ConnectInputs() : %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];
}
if (!fFound)
txindex.vSpent.resize(txPrev.vout.size());
}
else
{
// Get prev tx from disk
if (!txPrev.ReadFromDisk(txindex.pos))
return error("ConnectInputs() : %s ReadFromDisk prev tx %s failed", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
}
if (prevout.n >= txPrev.vout.size() || prevout.n >= txindex.vSpent.size())
return error("ConnectInputs() : %s prevout.n out of range %d %d %d prev tx %s\n%s", GetHash().ToString().substr(0,10).c_str(), prevout.n, txPrev.vout.size(), txindex.vSpent.size(), prevout.hash.ToString().substr(0,10).c_str(), txPrev.ToString().c_str());
// If prev is coinbase, check that it's matured
if (txPrev.IsCoinBase())
for (CBlockIndex* pindex = pindexBlock; pindex && pindexBlock->nHeight - pindex->nHeight < COINBASE_MATURITY; pindex = pindex->pprev)
if (pindex->nBlockPos == txindex.pos.nBlockPos && pindex->nFile == txindex.pos.nFile)
return error("ConnectInputs() : tried to spend coinbase at depth %d", pindexBlock->nHeight - pindex->nHeight);
// Verify signature
if (!VerifySignature(txPrev, *this, i))
return error("ConnectInputs() : %s VerifySignature failed", GetHash().ToString().substr(0,10).c_str());
// Check for conflicts
if (!txindex.vSpent[prevout.n].IsNull())
return fMiner ? false : error("ConnectInputs() : %s prev tx already used at %s", GetHash().ToString().substr(0,10).c_str(), txindex.vSpent[prevout.n].ToString().c_str());
// Check for negative or overflow input values
nValueIn += txPrev.vout[prevout.n].nValue;
if (!MoneyRange(txPrev.vout[prevout.n].nValue) || !MoneyRange(nValueIn))
return error("ConnectInputs() : txin values out of range");
// Mark outpoints as spent
txindex.vSpent[prevout.n] = posThisTx;
// Write back
if (fBlock)
{
if (!txdb.UpdateTxIndex(prevout.hash, txindex))
return error("ConnectInputs() : UpdateTxIndex failed");
}
else if (fMiner)
{
mapTestPool[prevout.hash] = txindex;
}
}
if (nValueIn < GetValueOut())
return error("ConnectInputs() : %s value in < value out", GetHash().ToString().substr(0,10).c_str());
// Tally transaction fees
int64 nTxFee = nValueIn - GetValueOut();
if (nTxFee < 0)
return error("ConnectInputs() : %s nTxFee < 0", GetHash().ToString().substr(0,10).c_str());
if (nTxFee < nMinFee)
return false;
nFees += nTxFee;
if (!MoneyRange(nFees))
return error("ConnectInputs() : nFees out of range");
}
if (fBlock)
{
// Add transaction to disk index
if (!txdb.AddTxIndex(*this, posThisTx, pindexBlock->nHeight))
return error("ConnectInputs() : AddTxPos failed");
}
else if (fMiner)
{
// Add transaction to test pool
mapTestPool[GetHash()] = CTxIndex(CDiskTxPos(1,1,1), vout.size());
}
return true;
}
bool CTransaction::ClientConnectInputs()
{
if (IsCoinBase())
return false;
// Take over previous transactions' spent pointers
CRITICAL_BLOCK(cs_mapTransactions)
{
int64 nValueIn = 0;
for (int i = 0; i < vin.size(); i++)
{
// Get prev tx from single transactions in memory
COutPoint prevout = vin[i].prevout;
if (!mapTransactions.count(prevout.hash))
return false;
CTransaction& txPrev = mapTransactions[prevout.hash];
if (prevout.n >= txPrev.vout.size())
return false;
// Verify signature
if (!VerifySignature(txPrev, *this, i))
return error("ConnectInputs() : VerifySignature failed");
///// this is redundant with the mapNextTx stuff, not sure which I want to get rid of
///// this has to go away now that posNext is gone
// // Check for conflicts
// if (!txPrev.vout[prevout.n].posNext.IsNull())
// return error("ConnectInputs() : prev tx already used");
//
// // Flag outpoints as used
// txPrev.vout[prevout.n].posNext = posThisTx;
nValueIn += txPrev.vout[prevout.n].nValue;
if (!MoneyRange(txPrev.vout[prevout.n].nValue) || !MoneyRange(nValueIn))
return error("ClientConnectInputs() : txin values out of range");
}
if (GetValueOut() > nValueIn)
return false;
}
return true;
}
bool CBlock::DisconnectBlock(CTxDB& txdb, CBlockIndex* pindex)
{
// Disconnect in reverse order
for (int i = vtx.size()-1; i >= 0; i--)
if (!vtx[i].DisconnectInputs(txdb))
return false;
// Update block index on disk without changing it in memory.
// The memory index structure will be changed after the db commits.
if (pindex->pprev)
{
CDiskBlockIndex blockindexPrev(pindex->pprev);
blockindexPrev.hashNext = 0;
if (!txdb.WriteBlockIndex(blockindexPrev))
return error("DisconnectBlock() : WriteBlockIndex failed");
}
return true;
}
bool CBlock::ConnectBlock(CTxDB& txdb, CBlockIndex* pindex)
{
// Check it again in case a previous version let a bad block in
if (!CheckBlock())
return false;
//// issue here: it doesn't know the version
unsigned int nTxPos = pindex->nBlockPos + ::GetSerializeSize(CBlock(), SER_DISK) - 1 + GetSizeOfCompactSize(vtx.size());
map<uint256, CTxIndex> mapUnused;
int64 nFees = 0;
BOOST_FOREACH(CTransaction& tx, vtx)
{
CDiskTxPos posThisTx(pindex->nFile, pindex->nBlockPos, nTxPos);
nTxPos += ::GetSerializeSize(tx, SER_DISK);
if (!tx.ConnectInputs(txdb, mapUnused, posThisTx, pindex, nFees, true, false))
return false;
}
if (vtx[0].GetValueOut() > GetBlockValue(pindex->nHeight, nFees))
return false;
// Update block index on disk without changing it in memory.
// The memory index structure will be changed after the db commits.
if (pindex->pprev)
{
CDiskBlockIndex blockindexPrev(pindex->pprev);
blockindexPrev.hashNext = pindex->GetBlockHash();
if (!txdb.WriteBlockIndex(blockindexPrev))
return error("ConnectBlock() : WriteBlockIndex failed");
}
// Watch for transactions paying to me
BOOST_FOREACH(CTransaction& tx, vtx)
SyncWithWallets(tx, this, true);
return true;
}
bool static Reorganize(CTxDB& txdb, CBlockIndex* pindexNew)
{
printf("REORGANIZE\n");
// Find the fork
CBlockIndex* pfork = pindexBest;
CBlockIndex* plonger = pindexNew;
while (pfork != plonger)
{
while (plonger->nHeight > pfork->nHeight)
if (!(plonger = plonger->pprev))
return error("Reorganize() : plonger->pprev is null");
if (pfork == plonger)
break;
if (!(pfork = pfork->pprev))
return error("Reorganize() : pfork->pprev is null");
}
// List of what to disconnect
vector<CBlockIndex*> vDisconnect;
for (CBlockIndex* pindex = pindexBest; pindex != pfork; pindex = pindex->pprev)
vDisconnect.push_back(pindex);
// List of what to connect
vector<CBlockIndex*> vConnect;
for (CBlockIndex* pindex = pindexNew; pindex != pfork; pindex = pindex->pprev)
vConnect.push_back(pindex);
reverse(vConnect.begin(), vConnect.end());
// Disconnect shorter branch
vector<CTransaction> vResurrect;
BOOST_FOREACH(CBlockIndex* pindex, vDisconnect)
{
CBlock block;
if (!block.ReadFromDisk(pindex))
return error("Reorganize() : ReadFromDisk for disconnect failed");
if (!block.DisconnectBlock(txdb, pindex))
return error("Reorganize() : DisconnectBlock failed");
// Queue memory transactions to resurrect
BOOST_FOREACH(const CTransaction& tx, block.vtx)
if (!tx.IsCoinBase())
vResurrect.push_back(tx);
}
// Connect longer branch
vector<CTransaction> vDelete;
for (int i = 0; i < vConnect.size(); i++)
{
CBlockIndex* pindex = vConnect[i];
CBlock block;
if (!block.ReadFromDisk(pindex))
return error("Reorganize() : ReadFromDisk for connect failed");
if (!block.ConnectBlock(txdb, pindex))
{
// Invalid block
txdb.TxnAbort();
return error("Reorganize() : ConnectBlock failed");
}
// Queue memory transactions to delete
BOOST_FOREACH(const CTransaction& tx, block.vtx)
vDelete.push_back(tx);
}
if (!txdb.WriteHashBestChain(pindexNew->GetBlockHash()))
return error("Reorganize() : WriteHashBestChain failed");
// Make sure it's successfully written to disk before changing memory structure
if (!txdb.TxnCommit())
return error("Reorganize() : TxnCommit failed");
// Disconnect shorter branch
BOOST_FOREACH(CBlockIndex* pindex, vDisconnect)
if (pindex->pprev)
pindex->pprev->pnext = NULL;
// Connect longer branch
BOOST_FOREACH(CBlockIndex* pindex, vConnect)
if (pindex->pprev)
pindex->pprev->pnext = pindex;
// Resurrect memory transactions that were in the disconnected branch
BOOST_FOREACH(CTransaction& tx, vResurrect)
tx.AcceptToMemoryPool(txdb, false);
// Delete redundant memory transactions that are in the connected branch
BOOST_FOREACH(CTransaction& tx, vDelete)
tx.RemoveFromMemoryPool();
return true;
}
bool CBlock::SetBestChain(CTxDB& txdb, CBlockIndex* pindexNew)
{
uint256 hash = GetHash();
txdb.TxnBegin();
if (pindexGenesisBlock == NULL && hash == hashGenesisBlock)
{
txdb.WriteHashBestChain(hash);
if (!txdb.TxnCommit())
return error("SetBestChain() : TxnCommit failed");
pindexGenesisBlock = pindexNew;
}
else if (hashPrevBlock == hashBestChain)
{
// Adding to current best branch
if (!ConnectBlock(txdb, pindexNew) || !txdb.WriteHashBestChain(hash))
{
txdb.TxnAbort();
InvalidChainFound(pindexNew);
return error("SetBestChain() : ConnectBlock failed");
}
if (!txdb.TxnCommit())
return error("SetBestChain() : TxnCommit failed");
// Add to current best branch
pindexNew->pprev->pnext = pindexNew;
// Delete redundant memory transactions
BOOST_FOREACH(CTransaction& tx, vtx)
tx.RemoveFromMemoryPool();
}
else
{
// New best branch
if (!Reorganize(txdb, pindexNew))
{
txdb.TxnAbort();
InvalidChainFound(pindexNew);
return error("SetBestChain() : Reorganize failed");
}
}
// Update best block in wallet (so we can detect restored wallets)
if (!IsInitialBlockDownload())
{
const CBlockLocator locator(pindexNew);
::SetBestChain(locator);
}
// New best block
hashBestChain = hash;
pindexBest = pindexNew;
nBestHeight = pindexBest->nHeight;
bnBestChainWork = pindexNew->bnChainWork;
nTimeBestReceived = GetTime();
nTransactionsUpdated++;
printf("SetBestChain: new best=%s height=%d work=%s\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight, bnBestChainWork.ToString().c_str());
return true;
}
bool CBlock::AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos)
{
// Check for duplicate
uint256 hash = GetHash();
if (mapBlockIndex.count(hash))
return error("AddToBlockIndex() : %s already exists", hash.ToString().substr(0,20).c_str());
// Construct new block index object
CBlockIndex* pindexNew = new CBlockIndex(nFile, nBlockPos, *this);
if (!pindexNew)
return error("AddToBlockIndex() : new CBlockIndex failed");
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.insert(make_pair(hash, pindexNew)).first;
pindexNew->phashBlock = &((*mi).first);
map<uint256, CBlockIndex*>::iterator miPrev = mapBlockIndex.find(hashPrevBlock);
if (miPrev != mapBlockIndex.end())
{
pindexNew->pprev = (*miPrev).second;
pindexNew->nHeight = pindexNew->pprev->nHeight + 1;
}
pindexNew->bnChainWork = (pindexNew->pprev ? pindexNew->pprev->bnChainWork : 0) + pindexNew->GetBlockWork();
CTxDB txdb;
txdb.TxnBegin();
txdb.WriteBlockIndex(CDiskBlockIndex(pindexNew));
if (!txdb.TxnCommit())
return false;
// New best
if (pindexNew->bnChainWork > bnBestChainWork)
if (!SetBestChain(txdb, pindexNew))
return false;
txdb.Close();
if (pindexNew == pindexBest)
{
// Notify UI to display prev block's coinbase if it was ours
static uint256 hashPrevBestCoinBase;
UpdatedTransaction(hashPrevBestCoinBase);
hashPrevBestCoinBase = vtx[0].GetHash();
}
MainFrameRepaint();
return true;
}
bool CBlock::CheckBlock() const
{
// These are checks that are independent of context
// that can be verified before saving an orphan block.
// Size limits
if (vtx.empty() || vtx.size() > MAX_BLOCK_SIZE || ::GetSerializeSize(*this, SER_NETWORK) > MAX_BLOCK_SIZE)
return error("CheckBlock() : size limits failed");
// Check proof of work matches claimed amount
if (!CheckProofOfWork(GetHash(), nBits))
return error("CheckBlock() : proof of work failed");
// Check timestamp
if (GetBlockTime() > GetAdjustedTime() + 2 * 60 * 60)
return error("CheckBlock() : block timestamp too far in the future");
// First transaction must be coinbase, the rest must not be
if (vtx.empty() || !vtx[0].IsCoinBase())
return error("CheckBlock() : first tx is not coinbase");
for (int i = 1; i < vtx.size(); i++)
if (vtx[i].IsCoinBase())
return error("CheckBlock() : more than one coinbase");
// Check transactions
BOOST_FOREACH(const CTransaction& tx, vtx)
if (!tx.CheckTransaction())
return error("CheckBlock() : CheckTransaction failed");
// Check that it's not full of nonstandard transactions
if (GetSigOpCount() > MAX_BLOCK_SIGOPS)
return error("CheckBlock() : too many nonstandard transactions");
// Check merkleroot
if (hashMerkleRoot != BuildMerkleTree())
return error("CheckBlock() : hashMerkleRoot mismatch");
return true;
}
bool CBlock::AcceptBlock()
{
// Check for duplicate
uint256 hash = GetHash();
if (mapBlockIndex.count(hash))
return error("AcceptBlock() : block already in mapBlockIndex");
// Get prev block index
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashPrevBlock);
if (mi == mapBlockIndex.end())
return error("AcceptBlock() : prev block not found");
CBlockIndex* pindexPrev = (*mi).second;
int nHeight = pindexPrev->nHeight+1;
// Check proof of work
if (nBits != GetNextWorkRequired(pindexPrev))
return error("AcceptBlock() : incorrect proof of work");
// Check timestamp against prev
if (GetBlockTime() <= pindexPrev->GetMedianTimePast())
return error("AcceptBlock() : block's timestamp is too early");
// Check that all transactions are finalized
BOOST_FOREACH(const CTransaction& tx, vtx)
if (!tx.IsFinal(nHeight, GetBlockTime()))
return error("AcceptBlock() : contains a non-final transaction");
// Check that the block chain matches the known block chain up to a checkpoint
if (!fTestNet)
if ((nHeight == 11111 && hash != uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d")) ||
(nHeight == 33333 && hash != uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6")) ||
(nHeight == 68555 && hash != uint256("0x00000000001e1b4903550a0b96e9a9405c8a95f387162e4944e8d9fbe501cd6a")) ||
(nHeight == 70567 && hash != uint256("0x00000000006a49b14bcf27462068f1264c961f11fa2e0eddd2be0791e1d4124a")) ||
(nHeight == 74000 && hash != uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20")) ||
(nHeight == 105000 && hash != uint256("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97")) ||
(nHeight == 118000 && hash != uint256("0x000000000000774a7f8a7a12dc906ddb9e17e75d684f15e00f8767f9e8f36553")))
return error("AcceptBlock() : rejected by checkpoint lockin at %d", nHeight);
// Write block to history file
if (!CheckDiskSpace(::GetSerializeSize(*this, SER_DISK)))
return error("AcceptBlock() : out of disk space");
unsigned int nFile = -1;
unsigned int nBlockPos = 0;
if (!WriteToDisk(nFile, nBlockPos))
return error("AcceptBlock() : WriteToDisk failed");
if (!AddToBlockIndex(nFile, nBlockPos))
return error("AcceptBlock() : AddToBlockIndex failed");
// Relay inventory, but don't relay old inventory during initial block download
if (hashBestChain == hash)
CRITICAL_BLOCK(cs_vNodes)
BOOST_FOREACH(CNode* pnode, vNodes)
if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : 118000))
pnode->PushInventory(CInv(MSG_BLOCK, hash));
return true;
}
bool static ProcessBlock(CNode* pfrom, CBlock* pblock)
{
// Check for duplicate
uint256 hash = pblock->GetHash();
if (mapBlockIndex.count(hash))
return error("ProcessBlock() : already have block %d %s", mapBlockIndex[hash]->nHeight, hash.ToString().substr(0,20).c_str());
if (mapOrphanBlocks.count(hash))
return error("ProcessBlock() : already have block (orphan) %s", hash.ToString().substr(0,20).c_str());
// Preliminary checks
if (!pblock->CheckBlock())
return error("ProcessBlock() : CheckBlock FAILED");
// If don't already have its previous block, shunt it off to holding area until we get it
if (!mapBlockIndex.count(pblock->hashPrevBlock))
{
printf("ProcessBlock: ORPHAN BLOCK, prev=%s\n", pblock->hashPrevBlock.ToString().substr(0,20).c_str());
CBlock* pblock2 = new CBlock(*pblock);
mapOrphanBlocks.insert(make_pair(hash, pblock2));
mapOrphanBlocksByPrev.insert(make_pair(pblock2->hashPrevBlock, pblock2));
// Ask this guy to fill in what we're missing
if (pfrom)
pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(pblock2));
return true;
}
// Store to disk
if (!pblock->AcceptBlock())
return error("ProcessBlock() : AcceptBlock FAILED");
// 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++)
{
uint256 hashPrev = vWorkQueue[i];
for (multimap<uint256, CBlock*>::iterator mi = mapOrphanBlocksByPrev.lower_bound(hashPrev);
mi != mapOrphanBlocksByPrev.upper_bound(hashPrev);
++mi)
{
CBlock* pblockOrphan = (*mi).second;
if (pblockOrphan->AcceptBlock())
vWorkQueue.push_back(pblockOrphan->GetHash());
mapOrphanBlocks.erase(pblockOrphan->GetHash());
delete pblockOrphan;
}
mapOrphanBlocksByPrev.erase(hashPrev);
}
printf("ProcessBlock: ACCEPTED\n");
return true;
}
template<typename Stream>
bool static ScanMessageStart(Stream& s)
{
// Scan ahead to the next pchMessageStart, which should normally be immediately
// at the file pointer. Leaves file pointer at end of pchMessageStart.
s.clear(0);
short prevmask = s.exceptions(0);
const char* p = BEGIN(pchMessageStart);
try
{
loop
{
char c;
s.read(&c, 1);
if (s.fail())
{
s.clear(0);
s.exceptions(prevmask);
return false;
}
if (*p != c)
p = BEGIN(pchMessageStart);
if (*p == c)
{
if (++p == END(pchMessageStart))
{
s.clear(0);
s.exceptions(prevmask);
return true;
}
}
}
}
catch (...)
{
s.clear(0);
s.exceptions(prevmask);
return false;
}
}
bool CheckDiskSpace(uint64 nAdditionalBytes)
{
uint64 nFreeBytesAvailable = filesystem::space(GetDataDir()).available;
// Check for 15MB because database could create another 10MB log file at any time
if (nFreeBytesAvailable < (uint64)15000000 + nAdditionalBytes)
{
fShutdown = 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);
return false;
}
return true;
}
FILE* OpenBlockFile(unsigned int nFile, unsigned int nBlockPos, const char* pszMode)
{
if (nFile == -1)
return NULL;
FILE* file = fopen(strprintf("%s/blk%04d.dat", GetDataDir().c_str(), nFile).c_str(), pszMode);
if (!file)
return NULL;
if (nBlockPos != 0 && !strchr(pszMode, 'a') && !strchr(pszMode, 'w'))
{
if (fseek(file, nBlockPos, SEEK_SET) != 0)
{
fclose(file);
return NULL;
}
}
return file;
}
static unsigned int nCurrentBlockFile = 1;
FILE* AppendBlockFile(unsigned int& nFileRet)
{
nFileRet = 0;
loop
{
FILE* file = OpenBlockFile(nCurrentBlockFile, 0, "ab");
if (!file)
return NULL;
if (fseek(file, 0, SEEK_END) != 0)
return NULL;
// FAT32 filesize max 4GB, fseek and ftell max 2GB, so we must stay under 2GB
if (ftell(file) < 0x7F000000 - MAX_SIZE)
{
nFileRet = nCurrentBlockFile;
return file;
}
fclose(file);
nCurrentBlockFile++;
}
}
bool LoadBlockIndex(bool fAllowNew)
{
if (fTestNet)
{
hashGenesisBlock = uint256("0x00000007199508e34a9ff81e6ec0c477a4cccff2a4767a8eee39c11db367b008");
bnProofOfWorkLimit = CBigNum(~uint256(0) >> 28);
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
pchMessageStart[2] = 0xb5;
pchMessageStart[3] = 0xda;
}
//
// Load block index
//
CTxDB txdb("cr");
if (!txdb.LoadBlockIndex())
return false;
txdb.Close();
//
// Init with genesis block
//
if (mapBlockIndex.empty())
{
if (!fAllowNew)
return false;
// Genesis Block:
// CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
// CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
// CTxIn(COutPoint(000000, -1), coinbase 04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73)
// CTxOut(nValue=50.00000000, scriptPubKey=0x5F1DF16B2B704C8A578D0B)
// vMerkleTree: 4a5e1e
// Genesis block
const char* pszTimestamp = "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks";
CTransaction txNew;
txNew.vin.resize(1);
txNew.vout.resize(1);
txNew.vin[0].scriptSig = CScript() << 486604799 << CBigNum(4) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
txNew.vout[0].nValue = 50 * COIN;
txNew.vout[0].scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
CBlock block;
block.vtx.push_back(txNew);
block.hashPrevBlock = 0;
block.hashMerkleRoot = block.BuildMerkleTree();
block.nVersion = 1;
block.nTime = 1231006505;
block.nBits = 0x1d00ffff;
block.nNonce = 2083236893;
if (fTestNet)
{
block.nTime = 1296688602;
block.nBits = 0x1d07fff8;
block.nNonce = 384568319;
}
//// debug print
printf("%s\n", block.GetHash().ToString().c_str());
printf("%s\n", hashGenesisBlock.ToString().c_str());
printf("%s\n", block.hashMerkleRoot.ToString().c_str());
assert(block.hashMerkleRoot == uint256("0x4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b"));
block.print();
assert(block.GetHash() == hashGenesisBlock);
// Start new block file
unsigned int nFile;
unsigned int nBlockPos;
if (!block.WriteToDisk(nFile, nBlockPos))
return error("LoadBlockIndex() : writing genesis block to disk failed");
if (!block.AddToBlockIndex(nFile, nBlockPos))
return error("LoadBlockIndex() : genesis block not accepted");
}
return true;
}
void PrintBlockTree()
{
// precompute tree structure
map<CBlockIndex*, vector<CBlockIndex*> > mapNext;
for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
{
CBlockIndex* pindex = (*mi).second;
mapNext[pindex->pprev].push_back(pindex);
// test
//while (rand() % 3 == 0)
// mapNext[pindex->pprev].push_back(pindex);
}
vector<pair<int, CBlockIndex*> > vStack;
vStack.push_back(make_pair(0, pindexGenesisBlock));
int nPrevCol = 0;
while (!vStack.empty())
{
int nCol = vStack.back().first;
CBlockIndex* pindex = vStack.back().second;
vStack.pop_back();
// print split or gap
if (nCol > nPrevCol)
{
for (int i = 0; i < nCol-1; i++)
printf("| ");
printf("|\\\n");
}
else if (nCol < nPrevCol)
{
for (int i = 0; i < nCol; i++)
printf("| ");
printf("|\n");
}
nPrevCol = nCol;
// print columns
for (int i = 0; i < nCol; i++)
printf("| ");
// print item
CBlock block;
block.ReadFromDisk(pindex);
printf("%d (%u,%u) %s %s tx %d",
pindex->nHeight,
pindex->nFile,
pindex->nBlockPos,
block.GetHash().ToString().substr(0,20).c_str(),
DateTimeStrFormat("%x %H:%M:%S", block.GetBlockTime()).c_str(),
block.vtx.size());
PrintWallets(block);
// put the main timechain first
vector<CBlockIndex*>& vNext = mapNext[pindex];
for (int i = 0; i < vNext.size(); i++)
{
if (vNext[i]->pnext)
{
swap(vNext[0], vNext[i]);
break;
}
}
// iterate children
for (int i = 0; i < vNext.size(); i++)
vStack.push_back(make_pair(nCol+i, vNext[i]));
}
}
//////////////////////////////////////////////////////////////////////////////
//
// CAlert
//
map<uint256, CAlert> mapAlerts;
CCriticalSection cs_mapAlerts;
string GetWarnings(string strFor)
{
int nPriority = 0;
string strStatusBar;
string strRPC;
if (GetBoolArg("-testsafemode"))
strRPC = "test";
// Misc warnings like out of disk space and clock is wrong
if (strMiscWarning != "")
{
nPriority = 1000;
strStatusBar = strMiscWarning;
}
// Longer invalid proof-of-work chain
if (pindexBest && bnBestInvalidWork > bnBestChainWork + pindexBest->GetBlockWork() * 6)
{
nPriority = 2000;
strStatusBar = strRPC = "WARNING: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade.";
}
// Alerts
CRITICAL_BLOCK(cs_mapAlerts)
{
BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
{
const CAlert& alert = item.second;
if (alert.AppliesToMe() && alert.nPriority > nPriority)
{
nPriority = alert.nPriority;
strStatusBar = alert.strStatusBar;
}
}
}
if (strFor == "statusbar")
return strStatusBar;
else if (strFor == "rpc")
return strRPC;
assert(("GetWarnings() : invalid parameter", false));
return "error";
}
bool CAlert::ProcessAlert()
{
if (!CheckSignature())
return false;
if (!IsInEffect())
return false;
CRITICAL_BLOCK(cs_mapAlerts)
{
// Cancel previous alerts
for (map<uint256, CAlert>::iterator mi = mapAlerts.begin(); mi != mapAlerts.end();)
{
const CAlert& alert = (*mi).second;
if (Cancels(alert))
{
printf("cancelling alert %d\n", alert.nID);
mapAlerts.erase(mi++);
}
else if (!alert.IsInEffect())
{
printf("expiring alert %d\n", alert.nID);
mapAlerts.erase(mi++);
}
else
mi++;
}
// Check if this alert has been cancelled
BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
{
const CAlert& alert = item.second;
if (alert.Cancels(*this))
{
printf("alert already cancelled by %d\n", alert.nID);
return false;
}
}
// Add to mapAlerts
mapAlerts.insert(make_pair(GetHash(), *this));
}
printf("accepted alert %d, AppliesToMe()=%d\n", nID, AppliesToMe());
MainFrameRepaint();
return true;
}
//////////////////////////////////////////////////////////////////////////////
//
// Messages
//
bool static AlreadyHave(CTxDB& txdb, const CInv& inv)
{
switch (inv.type)
{
case MSG_TX: return mapTransactions.count(inv.hash) || 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 true;
}
// The message start string is designed to be unlikely to occur in normal data.
// The characters are rarely used upper ascii, not valid as UTF-8, and produce
// a large 4-byte int at any alignment.
char pchMessageStart[4] = { 0xf9, 0xbe, 0xb4, 0xd9 };
bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
{
static map<unsigned int, vector<unsigned char> > mapReuseKey;
RandAddSeedPerfmon();
if (fDebug)
printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
printf("received: %s (%d bytes)\n", strCommand.c_str(), vRecv.size());
if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
{
printf("dropmessagestest DROPPING RECV MESSAGE\n");
return true;
}
if (strCommand == "version")
{
// Each connection can only send one version message
if (pfrom->nVersion != 0)
return false;
int64 nTime;
CAddress addrMe;
CAddress addrFrom;
uint64 nNonce = 1;
vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe;
if (pfrom->nVersion == 10300)
pfrom->nVersion = 300;
if (pfrom->nVersion >= 106 && !vRecv.empty())
vRecv >> addrFrom >> nNonce;
if (pfrom->nVersion >= 106 && !vRecv.empty())
vRecv >> pfrom->strSubVer;
if (pfrom->nVersion >= 209 && !vRecv.empty())
vRecv >> pfrom->nStartingHeight;
if (pfrom->nVersion == 0)
return false;
// Disconnect if we connected to ourself
if (nNonce == nLocalHostNonce && nNonce > 1)
{
printf("connected to self at %s, disconnecting\n", pfrom->addr.ToString().c_str());
pfrom->fDisconnect = true;
return true;
}
// Be shy and don't send version until we hear
if (pfrom->fInbound)
pfrom->PushVersion();
pfrom->fClient = !(pfrom->nServices & NODE_NETWORK);
AddTimeData(pfrom->addr.ip, nTime);
// Change version
if (pfrom->nVersion >= 209)
pfrom->PushMessage("verack");
pfrom->vSend.SetVersion(min(pfrom->nVersion, VERSION));
if (pfrom->nVersion < 209)
pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
if (!pfrom->fInbound)
{
// Advertise our address
if (addrLocalHost.IsRoutable() && !fUseProxy)
{
CAddress addr(addrLocalHost);
addr.nTime = GetAdjustedTime();
pfrom->PushAddress(addr);
}
// Get recent addresses
if (pfrom->nVersion >= 31402 || mapAddresses.size() < 1000)
{
pfrom->PushMessage("getaddr");
pfrom->fGetAddr = true;
}
}
// Ask the first connected node for block updates
static int nAskedForBlocks;
if (!pfrom->fClient && (nAskedForBlocks < 1 || vNodes.size() <= 1))
{
nAskedForBlocks++;
pfrom->PushGetBlocks(pindexBest, uint256(0));
}
// Relay alerts
CRITICAL_BLOCK(cs_mapAlerts)
BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
item.second.RelayTo(pfrom);
pfrom->fSuccessfullyConnected = true;
printf("version message: version %d, blocks=%d\n", pfrom->nVersion, pfrom->nStartingHeight);
}
else if (pfrom->nVersion == 0)
{
// Must have a version message before anything else
return false;
}
else if (strCommand == "verack")
{
pfrom->vRecv.SetVersion(min(pfrom->nVersion, VERSION));
}
else if (strCommand == "addr")
{
vector<CAddress> vAddr;
vRecv >> vAddr;
// Don't want addr from older versions unless seeding
if (pfrom->nVersion < 209)
return true;
if (pfrom->nVersion < 31402 && mapAddresses.size() > 1000)
return true;
if (vAddr.size() > 1000)
return error("message addr size() = %d", vAddr.size());
// Store the new addresses
int64 nNow = GetAdjustedTime();
int64 nSince = nNow - 10 * 60;
BOOST_FOREACH(CAddress& addr, vAddr)
{
if (fShutdown)
return true;
// ignore IPv6 for now, since it isn't implemented anyway
if (!addr.IsIPv4())
continue;
if (addr.nTime <= 100000000 || addr.nTime > nNow + 10 * 60)
addr.nTime = nNow - 5 * 24 * 60 * 60;
AddAddress(addr, 2 * 60 * 60);
pfrom->AddAddressKnown(addr);
if (addr.nTime > nSince && !pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable())
{
// Relay to a limited number of other nodes
CRITICAL_BLOCK(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;
if (hashSalt == 0)
RAND_bytes((unsigned char*)&hashSalt, sizeof(hashSalt));
uint256 hashRand = hashSalt ^ (((int64)addr.ip)<<32) ^ ((GetTime()+addr.ip)/(24*60*60));
hashRand = Hash(BEGIN(hashRand), END(hashRand));
multimap<uint256, CNode*> mapMix;
BOOST_FOREACH(CNode* pnode, vNodes)
{
if (pnode->nVersion < 31402)
continue;
unsigned int nPointer;
memcpy(&nPointer, &pnode, sizeof(nPointer));
uint256 hashKey = hashRand ^ nPointer;
hashKey = Hash(BEGIN(hashKey), END(hashKey));
mapMix.insert(make_pair(hashKey, pnode));
}
int nRelayNodes = 2;
for (multimap<uint256, CNode*>::iterator mi = mapMix.begin(); mi != mapMix.end() && nRelayNodes-- > 0; ++mi)
((*mi).second)->PushAddress(addr);
}
}
}
if (vAddr.size() < 1000)
pfrom->fGetAddr = false;
}
else if (strCommand == "inv")
{
vector<CInv> vInv;
vRecv >> vInv;
if (vInv.size() > 50000)
return error("message inv size() = %d", vInv.size());
CTxDB txdb("r");
BOOST_FOREACH(const CInv& inv, vInv)
{
if (fShutdown)
return true;
pfrom->AddInventoryKnown(inv);
bool fAlreadyHave = AlreadyHave(txdb, inv);
printf(" got inventory: %s %s\n", inv.ToString().c_str(), fAlreadyHave ? "have" : "new");
if (!fAlreadyHave)
pfrom->AskFor(inv);
else if (inv.type == MSG_BLOCK && mapOrphanBlocks.count(inv.hash))
pfrom->PushGetBlocks(pindexBest, GetOrphanRoot(mapOrphanBlocks[inv.hash]));
// Track requests for our stuff
Inventory(inv.hash);
}
}
else if (strCommand == "getdata")
{
vector<CInv> vInv;
vRecv >> vInv;
if (vInv.size() > 50000)
return error("message getdata size() = %d", vInv.size());
BOOST_FOREACH(const CInv& inv, vInv)
{
if (fShutdown)
return true;
printf("received getdata for: %s\n", inv.ToString().c_str());
if (inv.type == MSG_BLOCK)
{
// Send block from disk
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(inv.hash);
if (mi != mapBlockIndex.end())
{
CBlock block;
block.ReadFromDisk((*mi).second);
pfrom->PushMessage("block", block);
// Trigger them to send a getblocks request for the next batch of inventory
if (inv.hash == pfrom->hashContinue)
{
// Bypass PushInventory, this must send even if redundant,
// and we want it right after the last block so they don't
// wait for other stuff first.
vector<CInv> vInv;
vInv.push_back(CInv(MSG_BLOCK, hashBestChain));
pfrom->PushMessage("inv", vInv);
pfrom->hashContinue = 0;
}
}
}
else if (inv.IsKnownType())
{
// Send stream from relay memory
CRITICAL_BLOCK(cs_mapRelay)
{
map<CInv, CDataStream>::iterator mi = mapRelay.find(inv);
if (mi != mapRelay.end())
pfrom->PushMessage(inv.GetCommand(), (*mi).second);
}
}
// Track requests for our stuff
Inventory(inv.hash);
}
}
else if (strCommand == "getblocks")
{
CBlockLocator locator;
uint256 hashStop;
vRecv >> locator >> hashStop;
// Find the last block the caller has in the main chain
CBlockIndex* pindex = locator.GetBlockIndex();
// Send the rest of the chain
if (pindex)
pindex = pindex->pnext;
int nLimit = 500 + locator.GetDistanceBack();
printf("getblocks %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,20).c_str(), nLimit);
for (; pindex; pindex = pindex->pnext)
{
if (pindex->GetBlockHash() == hashStop)
{
printf(" getblocks stopping at %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str());
break;
}
pfrom->PushInventory(CInv(MSG_BLOCK, pindex->GetBlockHash()));
if (--nLimit <= 0)
{
// When this block is requested, we'll send an inv that'll make them
// getblocks the next batch of inventory.
printf(" getblocks stopping at limit %d %s\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str());
pfrom->hashContinue = pindex->GetBlockHash();
break;
}
}
}
else if (strCommand == "getheaders")
{
CBlockLocator locator;
uint256 hashStop;
vRecv >> locator >> hashStop;
CBlockIndex* pindex = NULL;
if (locator.IsNull())
{
// If locator is null, return the hashStop block
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashStop);
if (mi == mapBlockIndex.end())
return true;
pindex = (*mi).second;
}
else
{
// Find the last block the caller has in the main chain
pindex = locator.GetBlockIndex();
if (pindex)
pindex = pindex->pnext;
}
vector<CBlock> vHeaders;
int nLimit = 2000 + locator.GetDistanceBack();
printf("getheaders %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop.ToString().substr(0,20).c_str(), nLimit);
for (; pindex; pindex = pindex->pnext)
{
vHeaders.push_back(pindex->GetBlockHeader());
if (--nLimit <= 0 || pindex->GetBlockHash() == hashStop)
break;
}
pfrom->PushMessage("headers", vHeaders);
}
else if (strCommand == "tx")
{
vector<uint256> vWorkQueue;
CDataStream vMsg(vRecv);
CTransaction tx;
vRecv >> tx;
CInv inv(MSG_TX, tx.GetHash());
pfrom->AddInventoryKnown(inv);
bool fMissingInputs = false;
if (tx.AcceptToMemoryPool(true, &fMissingInputs))
{
SyncWithWallets(tx, NULL, true);
RelayMessage(inv, vMsg);
mapAlreadyAskedFor.erase(inv);
vWorkQueue.push_back(inv.hash);
// Recursively process any orphan transactions that depended on this one
for (int i = 0; i < vWorkQueue.size(); i++)
{
uint256 hashPrev = vWorkQueue[i];
for (multimap<uint256, CDataStream*>::iterator mi = mapOrphanTransactionsByPrev.lower_bound(hashPrev);
mi != mapOrphanTransactionsByPrev.upper_bound(hashPrev);
++mi)
{
const CDataStream& vMsg = *((*mi).second);
CTransaction tx;
CDataStream(vMsg) >> tx;
CInv inv(MSG_TX, tx.GetHash());
if (tx.AcceptToMemoryPool(true))
{
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);
}
}
}
BOOST_FOREACH(uint256 hash, vWorkQueue)
EraseOrphanTx(hash);
}
else if (fMissingInputs)
{
printf("storing orphan tx %s\n", inv.hash.ToString().substr(0,10).c_str());
AddOrphanTx(vMsg);
}
}
else if (strCommand == "block")
{
CBlock block;
vRecv >> block;
printf("received block %s\n", block.GetHash().ToString().substr(0,20).c_str());
// block.print();
CInv inv(MSG_BLOCK, block.GetHash());
pfrom->AddInventoryKnown(inv);
if (ProcessBlock(pfrom, &block))
mapAlreadyAskedFor.erase(inv);
}
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);
}
}
}
else if (strCommand == "checkorder")
{
uint256 hashReply;
vRecv >> hashReply;
if (!GetBoolArg("-allowreceivebyip"))
{
pfrom->PushMessage("reply", hashReply, (int)2, string(""));
return true;
}
CWalletTx order;
vRecv >> order;
/// we have a chance to check the order here
// Keep giving the same key to the same ip until they use it
if (!mapReuseKey.count(pfrom->addr.ip))
mapReuseKey[pfrom->addr.ip] = pwalletMain->GetKeyFromKeyPool();
// Send back approval of order and pubkey to use
CScript scriptPubKey;
scriptPubKey << mapReuseKey[pfrom->addr.ip] << OP_CHECKSIG;
pfrom->PushMessage("reply", hashReply, (int)0, scriptPubKey);
}
else if (strCommand == "reply")
{
uint256 hashReply;
vRecv >> hashReply;
CRequestTracker tracker;
CRITICAL_BLOCK(pfrom->cs_mapRequests)
{
map<uint256, CRequestTracker>::iterator mi = pfrom->mapRequests.find(hashReply);
if (mi != pfrom->mapRequests.end())
{
tracker = (*mi).second;
pfrom->mapRequests.erase(mi);
}
}
if (!tracker.IsNull())
tracker.fn(tracker.param1, vRecv);
}
else if (strCommand == "ping")
{
}
else if (strCommand == "alert")
{
CAlert alert;
vRecv >> alert;
if (alert.ProcessAlert())
{
// Relay
pfrom->setKnown.insert(alert.GetHash());
CRITICAL_BLOCK(cs_vNodes)
BOOST_FOREACH(CNode* pnode, vNodes)
alert.RelayTo(pnode);
}
}
else
{
// Ignore unknown commands for extensibility
}
// Update the last seen time for this node's address
if (pfrom->fNetworkNode)
if (strCommand == "version" || strCommand == "addr" || strCommand == "inv" || strCommand == "getdata" || strCommand == "ping")
AddressCurrentlyConnected(pfrom->addr);
return true;
}
bool ProcessMessages(CNode* pfrom)
{
CDataStream& vRecv = pfrom->vRecv;
if (vRecv.empty())
return true;
//if (fDebug)
// printf("ProcessMessages(%u bytes)\n", vRecv.size());
//
// Message format
// (4) message start
// (12) command
// (4) size
// (4) checksum
// (x) data
//
loop
{
// Scan for message start
CDataStream::iterator pstart = search(vRecv.begin(), vRecv.end(), BEGIN(pchMessageStart), END(pchMessageStart));
int nHeaderSize = vRecv.GetSerializeSize(CMessageHeader());
if (vRecv.end() - pstart < nHeaderSize)
{
if (vRecv.size() > nHeaderSize)
{
printf("\n\nPROCESSMESSAGE MESSAGESTART NOT FOUND\n\n");
vRecv.erase(vRecv.begin(), vRecv.end() - nHeaderSize);
}
break;
}
if (pstart - vRecv.begin() > 0)
printf("\n\nPROCESSMESSAGE SKIPPED %d BYTES\n\n", pstart - vRecv.begin());
vRecv.erase(vRecv.begin(), pstart);
// Read header
vector<char> vHeaderSave(vRecv.begin(), vRecv.begin() + nHeaderSize);
CMessageHeader hdr;
vRecv >> hdr;
if (!hdr.IsValid())
{
printf("\n\nPROCESSMESSAGE: ERRORS IN HEADER %s\n\n\n", hdr.GetCommand().c_str());
continue;
}
string strCommand = hdr.GetCommand();
// Message size
unsigned int nMessageSize = hdr.nMessageSize;
if (nMessageSize > MAX_SIZE)
{
printf("ProcessMessage(%s, %u bytes) : nMessageSize > MAX_SIZE\n", strCommand.c_str(), nMessageSize);
continue;
}
if (nMessageSize > vRecv.size())
{
// Rewind and wait for rest of message
vRecv.insert(vRecv.begin(), vHeaderSave.begin(), vHeaderSave.end());
break;
}
// Checksum
if (vRecv.GetVersion() >= 209)
{
uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
if (nChecksum != hdr.nChecksum)
{
printf("ProcessMessage(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
continue;
}
}
// Copy message to its own buffer
CDataStream vMsg(vRecv.begin(), vRecv.begin() + nMessageSize, vRecv.nType, vRecv.nVersion);
vRecv.ignore(nMessageSize);
// Process message
bool fRet = false;
try
{
CRITICAL_BLOCK(cs_main)
fRet = ProcessMessage(pfrom, strCommand, vMsg);
if (fShutdown)
return true;
}
catch (std::ios_base::failure& e)
{
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());
}
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());
}
else
{
PrintExceptionContinue(&e, "ProcessMessage()");
}
}
catch (std::exception& e) {
PrintExceptionContinue(&e, "ProcessMessage()");
} catch (...) {
PrintExceptionContinue(NULL, "ProcessMessage()");
}
if (!fRet)
printf("ProcessMessage(%s, %u bytes) FAILED\n", strCommand.c_str(), nMessageSize);
}
vRecv.Compact();
return true;
}
bool SendMessages(CNode* pto, bool fSendTrickle)
{
CRITICAL_BLOCK(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");
// Resend wallet transactions that haven't gotten in a block yet
ResendWalletTransactions();
// Address refresh broadcast
static int64 nLastRebroadcast;
if (GetTime() - nLastRebroadcast > 24 * 60 * 60)
{
nLastRebroadcast = GetTime();
CRITICAL_BLOCK(cs_vNodes)
{
BOOST_FOREACH(CNode* pnode, vNodes)
{
// Periodically clear setAddrKnown to allow refresh broadcasts
pnode->setAddrKnown.clear();
// Rebroadcast our address
if (addrLocalHost.IsRoutable() && !fUseProxy)
{
CAddress addr(addrLocalHost);
addr.nTime = GetAdjustedTime();
pnode->PushAddress(addr);
}
}
}
}
// 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
//
if (fSendTrickle)
{
vector<CAddress> vAddr;
vAddr.reserve(pto->vAddrToSend.size());
BOOST_FOREACH(const CAddress& addr, pto->vAddrToSend)
{
// returns true if wasn't already contained in the set
if (pto->setAddrKnown.insert(addr).second)
{
vAddr.push_back(addr);
// receiver rejects addr messages larger than 1000
if (vAddr.size() >= 1000)
{
pto->PushMessage("addr", vAddr);
vAddr.clear();
}
}
}
pto->vAddrToSend.clear();
if (!vAddr.empty())
pto->PushMessage("addr", vAddr);
}
//
// Message: inventory
//
vector<CInv> vInv;
vector<CInv> vInvWait;
CRITICAL_BLOCK(pto->cs_inventory)
{
vInv.reserve(pto->vInventoryToSend.size());
vInvWait.reserve(pto->vInventoryToSend.size());
BOOST_FOREACH(const CInv& inv, pto->vInventoryToSend)
{
if (pto->setInventoryKnown.count(inv))
continue;
// trickle out tx inv to protect privacy
if (inv.type == MSG_TX && !fSendTrickle)
{
// 1/4 of tx invs blast to all immediately
static uint256 hashSalt;
if (hashSalt == 0)
RAND_bytes((unsigned char*)&hashSalt, sizeof(hashSalt));
uint256 hashRand = inv.hash ^ hashSalt;
hashRand = Hash(BEGIN(hashRand), END(hashRand));
bool fTrickleWait = ((hashRand & 3) != 0);
// always trickle our own transactions
if (!fTrickleWait)
{
CWalletTx wtx;
if (GetTransaction(inv.hash, wtx))
if (wtx.fFromMe)
fTrickleWait = true;
}
if (fTrickleWait)
{
vInvWait.push_back(inv);
continue;
}
}
// returns true if wasn't already contained in the set
if (pto->setInventoryKnown.insert(inv).second)
{
vInv.push_back(inv);
if (vInv.size() >= 1000)
{
pto->PushMessage("inv", vInv);
vInv.clear();
}
}
}
pto->vInventoryToSend = vInvWait;
}
if (!vInv.empty())
pto->PushMessage("inv", vInv);
//
// Message: getdata
//
vector<CInv> vGetData;
int64 nNow = GetTime() * 1000000;
CTxDB txdb("r");
while (!pto->mapAskFor.empty() && (*pto->mapAskFor.begin()).first <= nNow)
{
const CInv& inv = (*pto->mapAskFor.begin()).second;
if (!AlreadyHave(txdb, inv))
{
printf("sending getdata: %s\n", inv.ToString().c_str());
vGetData.push_back(inv);
if (vGetData.size() >= 1000)
{
pto->PushMessage("getdata", vGetData);
vGetData.clear();
}
}
pto->mapAskFor.erase(pto->mapAskFor.begin());
}
if (!vGetData.empty())
pto->PushMessage("getdata", vGetData);
}
return true;
}
//////////////////////////////////////////////////////////////////////////////
//
// BitcoinMiner
//
int static FormatHashBlocks(void* pbuffer, unsigned int len)
{
unsigned char* pdata = (unsigned char*)pbuffer;
unsigned int blocks = 1 + ((len + 8) / 64);
unsigned char* pend = pdata + 64 * blocks;
memset(pdata + len, 0, 64 * blocks - len);
pdata[len] = 0x80;
unsigned int bits = len * 8;
pend[-1] = (bits >> 0) & 0xff;
pend[-2] = (bits >> 8) & 0xff;
pend[-3] = (bits >> 16) & 0xff;
pend[-4] = (bits >> 24) & 0xff;
return blocks;
}
using CryptoPP::ByteReverse;
static const unsigned int pSHA256InitState[8] =
{0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
inline void SHA256Transform(void* pstate, void* pinput, const void* pinit)
{
memcpy(pstate, pinit, 32);
CryptoPP::SHA256::Transform((CryptoPP::word32*)pstate, (CryptoPP::word32*)pinput);
}
//
// ScanHash scans nonces looking for a hash with at least some zero bits.
// It operates on big endian data. Caller does the byte reversing.
// All input buffers are 16-byte aligned. nNonce is usually preserved
// between calls, but periodically or if nNonce is 0xffff0000 or above,
// the block is rebuilt and nNonce starts over at zero.
//
unsigned int static ScanHash_CryptoPP(char* pmidstate, char* pdata, char* phash1, char* phash, unsigned int& nHashesDone)
{
unsigned int& nNonce = *(unsigned int*)(pdata + 12);
for (;;)
{
// Crypto++ SHA-256
// Hash pdata using pmidstate as the starting state into
// preformatted buffer phash1, then hash phash1 into phash
nNonce++;
SHA256Transform(phash1, pdata, pmidstate);
SHA256Transform(phash, phash1, pSHA256InitState);
// Return the nonce if the hash has at least some zero bits,
// caller will check if it has enough to reach the target
if (((unsigned short*)phash)[14] == 0)
return nNonce;
// If nothing found after trying for a while, return -1
if ((nNonce & 0xffff) == 0)
{
nHashesDone = 0xffff+1;
return -1;
}
}
}
class COrphan
{
public:
CTransaction* ptx;
set<uint256> setDependsOn;
double dPriority;
COrphan(CTransaction* ptxIn)
{
ptx = ptxIn;
dPriority = 0;
}
void print() const
{
printf("COrphan(hash=%s, dPriority=%.1f)\n", ptx->GetHash().ToString().substr(0,10).c_str(), dPriority);
BOOST_FOREACH(uint256 hash, setDependsOn)
printf(" setDependsOn %s\n", hash.ToString().substr(0,10).c_str());
}
};
CBlock* CreateNewBlock(CReserveKey& reservekey)
{
CBlockIndex* pindexPrev = pindexBest;
// Create new block
auto_ptr<CBlock> pblock(new CBlock());
if (!pblock.get())
return NULL;
// Create coinbase tx
CTransaction txNew;
txNew.vin.resize(1);
txNew.vin[0].prevout.SetNull();
txNew.vout.resize(1);
txNew.vout[0].scriptPubKey << reservekey.GetReservedKey() << OP_CHECKSIG;
// Add our coinbase tx as first transaction
pblock->vtx.push_back(txNew);
// Collect memory pool transactions into the block
int64 nFees = 0;
CRITICAL_BLOCK(cs_main)
CRITICAL_BLOCK(cs_mapTransactions)
{
CTxDB txdb("r");
// Priority order to process transactions
list<COrphan> vOrphan; // list memory doesn't move
map<uint256, vector<COrphan*> > mapDependers;
multimap<double, CTransaction*> mapPriority;
for (map<uint256, CTransaction>::iterator mi = mapTransactions.begin(); mi != mapTransactions.end(); ++mi)
{
CTransaction& tx = (*mi).second;
if (tx.IsCoinBase() || !tx.IsFinal())
continue;
COrphan* porphan = NULL;
double dPriority = 0;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
{
// Read prev transaction
CTransaction txPrev;
CTxIndex txindex;
if (!txPrev.ReadFromDisk(txdb, txin.prevout, txindex))
{
// Has to wait for dependencies
if (!porphan)
{
// Use list for automatic deletion
vOrphan.push_back(COrphan(&tx));
porphan = &vOrphan.back();
}
mapDependers[txin.prevout.hash].push_back(porphan);
porphan->setDependsOn.insert(txin.prevout.hash);
continue;
}
int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
// Read block header
int nConf = txindex.GetDepthInMainChain();
dPriority += (double)nValueIn * nConf;
if (fDebug && GetBoolArg("-printpriority"))
printf("priority nValueIn=%-12I64d nConf=%-5d dPriority=%-20.1f\n", nValueIn, nConf, dPriority);
}
// Priority is sum(valuein * age) / txsize
dPriority /= ::GetSerializeSize(tx, SER_NETWORK);
if (porphan)
porphan->dPriority = dPriority;
else
mapPriority.insert(make_pair(-dPriority, &(*mi).second));
if (fDebug && GetBoolArg("-printpriority"))
{
printf("priority %-20.1f %s\n%s", dPriority, tx.GetHash().ToString().substr(0,10).c_str(), tx.ToString().c_str());
if (porphan)
porphan->print();
printf("\n");
}
}
// Collect transactions into block
map<uint256, CTxIndex> mapTestPool;
uint64 nBlockSize = 1000;
int nBlockSigOps = 100;
while (!mapPriority.empty())
{
// Take highest priority transaction off priority queue
double dPriority = -(*mapPriority.begin()).first;
CTransaction& tx = *(*mapPriority.begin()).second;
mapPriority.erase(mapPriority.begin());
// Size limits
unsigned int nTxSize = ::GetSerializeSize(tx, SER_NETWORK);
if (nBlockSize + nTxSize >= MAX_BLOCK_SIZE_GEN)
continue;
int nTxSigOps = tx.GetSigOpCount();
if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS)
continue;
// Transaction fee required depends on block size
bool fAllowFree = (nBlockSize + nTxSize < 4000 || CTransaction::AllowFree(dPriority));
int64 nMinFee = tx.GetMinFee(nBlockSize, fAllowFree, true);
// Connecting shouldn't fail due to dependency on other memory pool transactions
// because we're already processing them in order of dependency
map<uint256, CTxIndex> mapTestPoolTmp(mapTestPool);
if (!tx.ConnectInputs(txdb, mapTestPoolTmp, CDiskTxPos(1,1,1), pindexPrev, nFees, false, true, nMinFee))
continue;
swap(mapTestPool, mapTestPoolTmp);
// Added
pblock->vtx.push_back(tx);
nBlockSize += nTxSize;
nBlockSigOps += nTxSigOps;
// Add transactions that depend on this one to the priority queue
uint256 hash = tx.GetHash();
if (mapDependers.count(hash))
{
BOOST_FOREACH(COrphan* porphan, mapDependers[hash])
{
if (!porphan->setDependsOn.empty())
{
porphan->setDependsOn.erase(hash);
if (porphan->setDependsOn.empty())
mapPriority.insert(make_pair(-porphan->dPriority, porphan->ptx));
}
}
}
}
}
pblock->vtx[0].vout[0].nValue = GetBlockValue(pindexPrev->nHeight+1, nFees);
// Fill in header
pblock->hashPrevBlock = pindexPrev->GetBlockHash();
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
pblock->nBits = GetNextWorkRequired(pindexPrev);
pblock->nNonce = 0;
return pblock.release();
}
void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce, int64& nPrevTime)
{
// Update nExtraNonce
int64 nNow = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
if (++nExtraNonce >= 0x7f && nNow > nPrevTime+1)
{
nExtraNonce = 1;
nPrevTime = nNow;
}
pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
}
void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1)
{
//
// Prebuild hash buffers
//
struct
{
struct unnamed2
{
int nVersion;
uint256 hashPrevBlock;
uint256 hashMerkleRoot;
unsigned int nTime;
unsigned int nBits;
unsigned int nNonce;
}
block;
unsigned char pchPadding0[64];
uint256 hash1;
unsigned char pchPadding1[64];
}
tmp;
memset(&tmp, 0, sizeof(tmp));
tmp.block.nVersion = pblock->nVersion;
tmp.block.hashPrevBlock = pblock->hashPrevBlock;
tmp.block.hashMerkleRoot = pblock->hashMerkleRoot;
tmp.block.nTime = pblock->nTime;
tmp.block.nBits = pblock->nBits;
tmp.block.nNonce = pblock->nNonce;
FormatHashBlocks(&tmp.block, sizeof(tmp.block));
FormatHashBlocks(&tmp.hash1, sizeof(tmp.hash1));
// Byte swap all the input buffer
for (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
SHA256Transform(pmidstate, &tmp.block, pSHA256InitState);
memcpy(pdata, &tmp.block, 128);
memcpy(phash1, &tmp.hash1, 64);
}
bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey)
{
uint256 hash = pblock->GetHash();
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
if (hash > hashTarget)
return false;
//// debug print
printf("BitcoinMiner:\n");
printf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex().c_str(), hashTarget.GetHex().c_str());
pblock->print();
printf("%s ", DateTimeStrFormat("%x %H:%M", GetTime()).c_str());
printf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue).c_str());
// Found a solution
CRITICAL_BLOCK(cs_main)
{
if (pblock->hashPrevBlock != hashBestChain)
return error("BitcoinMiner : generated block is stale");
// Remove key from key pool
reservekey.KeepKey();
// Track how many getdata requests this block gets
CRITICAL_BLOCK(wallet.cs_mapRequestCount)
wallet.mapRequestCount[pblock->GetHash()] = 0;
// Process this block the same as if we had received it from another node
if (!ProcessBlock(NULL, pblock))
return error("BitcoinMiner : ProcessBlock, block not accepted");
}
Sleep(2000);
return true;
}
void static ThreadBitcoinMiner(void* parg);
void static BitcoinMiner(CWallet *pwallet)
{
printf("BitcoinMiner started\n");
SetThreadPriority(THREAD_PRIORITY_LOWEST);
// Each thread has its own key and counter
CReserveKey reservekey(pwallet);
unsigned int nExtraNonce = 0;
int64 nPrevTime = 0;
while (fGenerateBitcoins)
{
if (AffinityBugWorkaround(ThreadBitcoinMiner))
return;
if (fShutdown)
return;
while (vNodes.empty() || IsInitialBlockDownload())
{
Sleep(1000);
if (fShutdown)
return;
if (!fGenerateBitcoins)
return;
}
//
// Create new block
//
unsigned int nTransactionsUpdatedLast = nTransactionsUpdated;
CBlockIndex* pindexPrev = pindexBest;
auto_ptr<CBlock> pblock(CreateNewBlock(reservekey));
if (!pblock.get())
return;
IncrementExtraNonce(pblock.get(), pindexPrev, nExtraNonce, nPrevTime);
printf("Running BitcoinMiner with %d transactions in block\n", pblock->vtx.size());
//
// Prebuild hash buffers
//
char pmidstatebuf[32+16]; char* pmidstate = alignup<16>(pmidstatebuf);
char pdatabuf[128+16]; char* pdata = alignup<16>(pdatabuf);
char phash1buf[64+16]; char* phash1 = alignup<16>(phash1buf);
FormatHashBuffers(pblock.get(), pmidstate, pdata, phash1);
unsigned int& nBlockTime = *(unsigned int*)(pdata + 64 + 4);
unsigned int& nBlockNonce = *(unsigned int*)(pdata + 64 + 12);
//
// Search
//
int64 nStart = GetTime();
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
uint256 hashbuf[2];
uint256& hash = *alignup<16>(hashbuf);
loop
{
unsigned int nHashesDone = 0;
unsigned int nNonceFound;
// Crypto++ SHA-256
nNonceFound = ScanHash_CryptoPP(pmidstate, pdata + 64, phash1,
(char*)&hash, nHashesDone);
// Check if something found
if (nNonceFound != -1)
{
for (int i = 0; i < sizeof(hash)/4; i++)
((unsigned int*)&hash)[i] = ByteReverse(((unsigned int*)&hash)[i]);
if (hash <= hashTarget)
{
// Found a solution
pblock->nNonce = ByteReverse(nNonceFound);
assert(hash == pblock->GetHash());
SetThreadPriority(THREAD_PRIORITY_NORMAL);
CheckWork(pblock.get(), *pwalletMain, reservekey);
SetThreadPriority(THREAD_PRIORITY_LOWEST);
break;
}
}
// Meter hashes/sec
static int64 nHashCounter;
if (nHPSTimerStart == 0)
{
nHPSTimerStart = GetTimeMillis();
nHashCounter = 0;
}
else
nHashCounter += nHashesDone;
if (GetTimeMillis() - nHPSTimerStart > 4000)
{
static CCriticalSection cs;
CRITICAL_BLOCK(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)
{
nLogTime = GetTime();
printf("%s ", DateTimeStrFormat("%x %H:%M", GetTime()).c_str());
printf("hashmeter %3d CPUs %6.0f khash/s\n", vnThreadsRunning[3], dHashesPerSec/1000.0);
}
}
}
}
// Check for stop or if block needs to be rebuilt
if (fShutdown)
return;
if (!fGenerateBitcoins)
return;
if (fLimitProcessors && vnThreadsRunning[3] > nLimitProcessors)
return;
if (vNodes.empty())
break;
if (nBlockNonce >= 0xffff0000)
break;
if (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60)
break;
if (pindexPrev != pindexBest)
break;
// Update nTime every few seconds
pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
nBlockTime = ByteReverse(pblock->nTime);
}
}
}
void static ThreadBitcoinMiner(void* parg)
{
CWallet* pwallet = (CWallet*)parg;
try
{
vnThreadsRunning[3]++;
BitcoinMiner(pwallet);
vnThreadsRunning[3]--;
}
catch (std::exception& e) {
vnThreadsRunning[3]--;
PrintException(&e, "ThreadBitcoinMiner()");
} catch (...) {
vnThreadsRunning[3]--;
PrintException(NULL, "ThreadBitcoinMiner()");
}
UIThreadCall(boost::bind(CalledSetStatusBar, "", 0));
nHPSTimerStart = 0;
if (vnThreadsRunning[3] == 0)
dHashesPerSec = 0;
printf("ThreadBitcoinMiner exiting, %d threads remaining\n", vnThreadsRunning[3]);
}
void GenerateBitcoins(bool fGenerate, CWallet* pwallet)
{
if (fGenerateBitcoins != fGenerate)
{
fGenerateBitcoins = fGenerate;
WriteSetting("fGenerateBitcoins", fGenerateBitcoins);
MainFrameRepaint();
}
if (fGenerateBitcoins)
{
int nProcessors = boost::thread::hardware_concurrency();
printf("%d processors\n", nProcessors);
if (nProcessors < 1)
nProcessors = 1;
if (fLimitProcessors && nProcessors > nLimitProcessors)
nProcessors = nLimitProcessors;
int nAddThreads = nProcessors - vnThreadsRunning[3];
printf("Starting %d BitcoinMiner threads\n", nAddThreads);
for (int i = 0; i < nAddThreads; i++)
{
if (!CreateThread(ThreadBitcoinMiner, pwallet))
printf("Error: CreateThread(ThreadBitcoinMiner) failed\n");
Sleep(10);
}
}
}
diff --git a/src/rpc.cpp b/src/rpc.cpp
index 5b395f9470..dabd99d075 100644
--- a/src/rpc.cpp
+++ b/src/rpc.cpp
@@ -1,2214 +1,2215 @@
// Copyright (c) 2010 Satoshi Nakamoto
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
#include "cryptopp/sha.h"
#include "db.h"
#include "net.h"
#include "init.h"
#undef printf
#include <boost/asio.hpp>
#include <boost/iostreams/concepts.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/algorithm/string.hpp>
#ifdef USE_SSL
#include <boost/asio/ssl.hpp>
+#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> SSLStream;
#endif
#include "json/json_spirit_reader_template.h"
#include "json/json_spirit_writer_template.h"
#include "json/json_spirit_utils.h"
#define printf OutputDebugStringF
// MinGW 3.4.5 gets "fatal error: had to relocate PCH" if the json headers are
// precompiled in headers.h. The problem might be when the pch file goes over
// a certain size around 145MB. If we need access to json_spirit outside this
// file, we could use the compiled json_spirit option.
using namespace std;
using namespace boost;
using namespace boost::asio;
using namespace json_spirit;
void ThreadRPCServer2(void* parg);
typedef Value(*rpcfn_type)(const Array& params, bool fHelp);
extern map<string, rpcfn_type> mapCallTable;
Object JSONRPCError(int code, const string& message)
{
Object error;
error.push_back(Pair("code", code));
error.push_back(Pair("message", message));
return error;
}
void PrintConsole(const char* format, ...)
{
char buffer[50000];
int limit = sizeof(buffer);
va_list arg_ptr;
va_start(arg_ptr, format);
int ret = _vsnprintf(buffer, limit, format, arg_ptr);
va_end(arg_ptr);
if (ret < 0 || ret >= limit)
{
ret = limit - 1;
buffer[limit-1] = 0;
}
printf("%s", buffer);
#if defined(__WXMSW__) && defined(GUI)
MyMessageBox(buffer, "Bitcoin", wxOK | wxICON_EXCLAMATION);
#else
fprintf(stdout, "%s", buffer);
#endif
}
int64 AmountFromValue(const Value& value)
{
double dAmount = value.get_real();
if (dAmount <= 0.0 || dAmount > 21000000.0)
throw JSONRPCError(-3, "Invalid amount");
int64 nAmount = roundint64(dAmount * COIN);
if (!MoneyRange(nAmount))
throw JSONRPCError(-3, "Invalid amount");
return nAmount;
}
Value ValueFromAmount(int64 amount)
{
return (double)amount / (double)COIN;
}
void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
{
entry.push_back(Pair("confirmations", wtx.GetDepthInMainChain()));
entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
BOOST_FOREACH(const PAIRTYPE(string,string)& item, wtx.mapValue)
entry.push_back(Pair(item.first, item.second));
}
string AccountFromValue(const Value& value)
{
string strAccount = value.get_str();
if (strAccount == "*")
throw JSONRPCError(-11, "Invalid account name");
return strAccount;
}
///
/// Note: This interface may still be subject to change.
///
Value help(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)
throw runtime_error(
"help [command]\n"
"List commands, or get help for a command.");
string strCommand;
if (params.size() > 0)
strCommand = params[0].get_str();
string strRet;
set<rpcfn_type> setDone;
for (map<string, rpcfn_type>::iterator mi = mapCallTable.begin(); mi != mapCallTable.end(); ++mi)
{
string strMethod = (*mi).first;
// We already filter duplicates, but these deprecated screw up the sort order
if (strMethod == "getamountreceived" ||
strMethod == "getallreceived" ||
(strMethod.find("label") != string::npos))
continue;
if (strCommand != "" && strMethod != strCommand)
continue;
try
{
Array params;
rpcfn_type pfn = (*mi).second;
if (setDone.insert(pfn).second)
(*pfn)(params, true);
}
catch (std::exception& e)
{
// Help text is returned in an exception
string strHelp = string(e.what());
if (strCommand == "")
if (strHelp.find('\n') != -1)
strHelp = strHelp.substr(0, strHelp.find('\n'));
strRet += strHelp + "\n";
}
}
if (strRet == "")
strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
strRet = strRet.substr(0,strRet.size()-1);
return strRet;
}
Value stop(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"stop\n"
"Stop bitcoin server.");
// Shutdown will take long enough that the response should get back
CreateThread(Shutdown, NULL);
return "bitcoin server stopping";
}
Value getblockcount(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getblockcount\n"
"Returns the number of blocks in the longest block chain.");
return nBestHeight;
}
Value getblocknumber(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getblocknumber\n"
"Returns the block number of the latest block in the longest block chain.");
return nBestHeight;
}
Value getconnectioncount(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getconnectioncount\n"
"Returns the number of connections to other nodes.");
return (int)vNodes.size();
}
double GetDifficulty()
{
// Floating point number that is a multiple of the minimum difficulty,
// minimum difficulty = 1.0.
if (pindexBest == NULL)
return 1.0;
int nShift = (pindexBest->nBits >> 24) & 0xff;
double dDiff =
(double)0x0000ffff / (double)(pindexBest->nBits & 0x00ffffff);
while (nShift < 29)
{
dDiff *= 256.0;
nShift++;
}
while (nShift > 29)
{
dDiff /= 256.0;
nShift--;
}
return dDiff;
}
Value getdifficulty(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getdifficulty\n"
"Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
return GetDifficulty();
}
Value getgenerate(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getgenerate\n"
"Returns true or false.");
return (bool)fGenerateBitcoins;
}
Value setgenerate(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"setgenerate <generate> [genproclimit]\n"
"<generate> is true or false to turn generation on or off.\n"
"Generation is limited to [genproclimit] processors, -1 is unlimited.");
bool fGenerate = true;
if (params.size() > 0)
fGenerate = params[0].get_bool();
if (params.size() > 1)
{
int nGenProcLimit = params[1].get_int();
fLimitProcessors = (nGenProcLimit != -1);
WriteSetting("fLimitProcessors", fLimitProcessors);
if (nGenProcLimit != -1)
WriteSetting("nLimitProcessors", nLimitProcessors = nGenProcLimit);
if (nGenProcLimit == 0)
fGenerate = false;
}
GenerateBitcoins(fGenerate, pwalletMain);
return Value::null;
}
Value gethashespersec(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"gethashespersec\n"
"Returns a recent hashes per second performance measurement while generating.");
if (GetTimeMillis() - nHPSTimerStart > 8000)
return (boost::int64_t)0;
return (boost::int64_t)dHashesPerSec;
}
Value getinfo(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getinfo\n"
"Returns an object containing various state info.");
Object obj;
obj.push_back(Pair("version", (int)VERSION));
obj.push_back(Pair("balance", ValueFromAmount(pwalletMain->GetBalance())));
obj.push_back(Pair("blocks", (int)nBestHeight));
obj.push_back(Pair("connections", (int)vNodes.size()));
obj.push_back(Pair("proxy", (fUseProxy ? addrProxy.ToStringIPPort() : string())));
obj.push_back(Pair("generate", (bool)fGenerateBitcoins));
obj.push_back(Pair("genproclimit", (int)(fLimitProcessors ? nLimitProcessors : -1)));
obj.push_back(Pair("difficulty", (double)GetDifficulty()));
obj.push_back(Pair("hashespersec", gethashespersec(params, false)));
obj.push_back(Pair("testnet", fTestNet));
obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
obj.push_back(Pair("paytxfee", ValueFromAmount(nTransactionFee)));
obj.push_back(Pair("errors", GetWarnings("statusbar")));
return obj;
}
Value getnewaddress(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)
throw runtime_error(
"getnewaddress [account]\n"
"Returns a new bitcoin address for receiving payments. "
"If [account] is specified (recommended), it is added to the address book "
"so payments received with the address will be credited to [account].");
// Parse the account first so we don't generate a key if there's an error
string strAccount;
if (params.size() > 0)
strAccount = AccountFromValue(params[0]);
// Generate a new key that is added to wallet
string strAddress = PubKeyToAddress(pwalletMain->GetKeyFromKeyPool());
pwalletMain->SetAddressBookName(strAddress, strAccount);
return strAddress;
}
// requires cs_main, cs_mapWallet locks
string GetAccountAddress(string strAccount, bool bForceNew=false)
{
string strAddress;
CWalletDB walletdb(pwalletMain->strWalletFile);
walletdb.TxnBegin();
CAccount account;
walletdb.ReadAccount(strAccount, account);
// Check if the current key has been used
if (!account.vchPubKey.empty())
{
CScript scriptPubKey;
scriptPubKey.SetBitcoinAddress(account.vchPubKey);
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
it != pwalletMain->mapWallet.end() && !account.vchPubKey.empty();
++it)
{
const CWalletTx& wtx = (*it).second;
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
if (txout.scriptPubKey == scriptPubKey)
account.vchPubKey.clear();
}
}
// Generate a new key
if (account.vchPubKey.empty() || bForceNew)
{
account.vchPubKey = pwalletMain->GetKeyFromKeyPool();
string strAddress = PubKeyToAddress(account.vchPubKey);
pwalletMain->SetAddressBookName(strAddress, strAccount);
walletdb.WriteAccount(strAccount, account);
}
walletdb.TxnCommit();
strAddress = PubKeyToAddress(account.vchPubKey);
return strAddress;
}
Value getaccountaddress(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"getaccountaddress <account>\n"
"Returns the current bitcoin address for receiving payments to this account.");
// Parse the account first so we don't generate a key if there's an error
string strAccount = AccountFromValue(params[0]);
Value ret;
CRITICAL_BLOCK(cs_main)
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
ret = GetAccountAddress(strAccount);
}
return ret;
}
Value setaccount(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"setaccount <bitcoinaddress> <account>\n"
"Sets the account associated with the given address.");
string strAddress = params[0].get_str();
uint160 hash160;
bool isValid = AddressToHash160(strAddress, hash160);
if (!isValid)
throw JSONRPCError(-5, "Invalid bitcoin address");
string strAccount;
if (params.size() > 1)
strAccount = AccountFromValue(params[1]);
// Detect when changing the account of an address that is the 'unused current key' of another account:
CRITICAL_BLOCK(cs_main)
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
if (pwalletMain->mapAddressBook.count(strAddress))
{
string strOldAccount = pwalletMain->mapAddressBook[strAddress];
if (strAddress == GetAccountAddress(strOldAccount))
GetAccountAddress(strOldAccount, true);
}
}
pwalletMain->SetAddressBookName(strAddress, strAccount);
return Value::null;
}
Value getaccount(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"getaccount <bitcoinaddress>\n"
"Returns the account associated with the given address.");
string strAddress = params[0].get_str();
string strAccount;
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
map<string, string>::iterator mi = pwalletMain->mapAddressBook.find(strAddress);
if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.empty())
strAccount = (*mi).second;
}
return strAccount;
}
Value getaddressesbyaccount(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"getaddressesbyaccount <account>\n"
"Returns the list of addresses for the given account.");
string strAccount = AccountFromValue(params[0]);
// Find all addresses that have the given account
Array ret;
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
{
const string& strAddress = item.first;
const string& strName = item.second;
if (strName == strAccount)
{
// We're only adding valid bitcoin addresses and not ip addresses
CScript scriptPubKey;
if (scriptPubKey.SetBitcoinAddress(strAddress))
ret.push_back(strAddress);
}
}
}
return ret;
}
Value settxfee(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 1)
throw runtime_error(
"settxfee <amount>\n"
"<amount> is a real and is rounded to the nearest 0.00000001");
// Amount
int64 nAmount = 0;
if (params[0].get_real() != 0.0)
nAmount = AmountFromValue(params[0]); // rejects 0.0 amounts
nTransactionFee = nAmount;
return true;
}
Value sendtoaddress(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 2 || params.size() > 4)
throw runtime_error(
"sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
"<amount> is a real and is rounded to the nearest 0.00000001");
string strAddress = params[0].get_str();
// Amount
int64 nAmount = AmountFromValue(params[1]);
// Wallet comments
CWalletTx wtx;
if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
wtx.mapValue["comment"] = params[2].get_str();
if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
wtx.mapValue["to"] = params[3].get_str();
CRITICAL_BLOCK(cs_main)
{
string strError = pwalletMain->SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
if (strError != "")
throw JSONRPCError(-4, strError);
}
return wtx.GetHash().GetHex();
}
Value getreceivedbyaddress(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
"Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
// Bitcoin address
string strAddress = params[0].get_str();
CScript scriptPubKey;
if (!scriptPubKey.SetBitcoinAddress(strAddress))
throw JSONRPCError(-5, "Invalid bitcoin address");
if (!IsMine(*pwalletMain,scriptPubKey))
return (double)0.0;
// Minimum confirmations
int nMinDepth = 1;
if (params.size() > 1)
nMinDepth = params[1].get_int();
// Tally
int64 nAmount = 0;
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
if (wtx.IsCoinBase() || !wtx.IsFinal())
continue;
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
if (txout.scriptPubKey == scriptPubKey)
if (wtx.GetDepthInMainChain() >= nMinDepth)
nAmount += txout.nValue;
}
}
return ValueFromAmount(nAmount);
}
void GetAccountPubKeys(string strAccount, set<CScript>& setPubKey)
{
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
{
const string& strAddress = item.first;
const string& strName = item.second;
if (strName == strAccount)
{
// We're only counting our own valid bitcoin addresses and not ip addresses
CScript scriptPubKey;
if (scriptPubKey.SetBitcoinAddress(strAddress))
if (IsMine(*pwalletMain,scriptPubKey))
setPubKey.insert(scriptPubKey);
}
}
}
}
Value getreceivedbyaccount(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"getreceivedbyaccount <account> [minconf=1]\n"
"Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
// Minimum confirmations
int nMinDepth = 1;
if (params.size() > 1)
nMinDepth = params[1].get_int();
// Get the set of pub keys that have the label
string strAccount = AccountFromValue(params[0]);
set<CScript> setPubKey;
GetAccountPubKeys(strAccount, setPubKey);
// Tally
int64 nAmount = 0;
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
if (wtx.IsCoinBase() || !wtx.IsFinal())
continue;
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
if (setPubKey.count(txout.scriptPubKey))
if (wtx.GetDepthInMainChain() >= nMinDepth)
nAmount += txout.nValue;
}
}
return (double)nAmount / (double)COIN;
}
int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
{
int64 nBalance = 0;
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
// Tally wallet transactions
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
if (!wtx.IsFinal())
continue;
int64 nGenerated, nReceived, nSent, nFee;
wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
nBalance += nReceived;
nBalance += nGenerated - nSent - nFee;
}
// Tally internal accounting entries
nBalance += walletdb.GetAccountCreditDebit(strAccount);
}
return nBalance;
}
int64 GetAccountBalance(const string& strAccount, int nMinDepth)
{
CWalletDB walletdb(pwalletMain->strWalletFile);
return GetAccountBalance(walletdb, strAccount, nMinDepth);
}
Value getbalance(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 0 || params.size() > 2)
throw runtime_error(
"getbalance [account] [minconf=1]\n"
"If [account] is not specified, returns the server's total available balance.\n"
"If [account] is specified, returns the balance in the account.");
if (params.size() == 0)
return ValueFromAmount(pwalletMain->GetBalance());
int nMinDepth = 1;
if (params.size() > 1)
nMinDepth = params[1].get_int();
if (params[0].get_str() == "*") {
// Calculate total balance a different way from GetBalance()
// (GetBalance() sums up all unspent TxOuts)
// getbalance and getbalance '*' should always return the same number.
int64 nBalance = 0;
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
if (!wtx.IsFinal())
continue;
int64 allGeneratedImmature, allGeneratedMature, allFee;
allGeneratedImmature = allGeneratedMature = allFee = 0;
string strSentAccount;
list<pair<string, int64> > listReceived;
list<pair<string, int64> > listSent;
wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
if (wtx.GetDepthInMainChain() >= nMinDepth)
BOOST_FOREACH(const PAIRTYPE(string,int64)& r, listReceived)
nBalance += r.second;
BOOST_FOREACH(const PAIRTYPE(string,int64)& r, listSent)
nBalance -= r.second;
nBalance -= allFee;
nBalance += allGeneratedMature;
}
return ValueFromAmount(nBalance);
}
string strAccount = AccountFromValue(params[0]);
int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
return ValueFromAmount(nBalance);
}
Value movecmd(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 3 || params.size() > 5)
throw runtime_error(
"move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
"Move from one account in your wallet to another.");
string strFrom = AccountFromValue(params[0]);
string strTo = AccountFromValue(params[1]);
int64 nAmount = AmountFromValue(params[2]);
int nMinDepth = 1;
if (params.size() > 3)
nMinDepth = params[3].get_int();
string strComment;
if (params.size() > 4)
strComment = params[4].get_str();
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
CWalletDB walletdb(pwalletMain->strWalletFile);
walletdb.TxnBegin();
int64 nNow = GetAdjustedTime();
// Debit
CAccountingEntry debit;
debit.strAccount = strFrom;
debit.nCreditDebit = -nAmount;
debit.nTime = nNow;
debit.strOtherAccount = strTo;
debit.strComment = strComment;
walletdb.WriteAccountingEntry(debit);
// Credit
CAccountingEntry credit;
credit.strAccount = strTo;
credit.nCreditDebit = nAmount;
credit.nTime = nNow;
credit.strOtherAccount = strFrom;
credit.strComment = strComment;
walletdb.WriteAccountingEntry(credit);
walletdb.TxnCommit();
}
return true;
}
Value sendfrom(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 3 || params.size() > 6)
throw runtime_error(
"sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
"<amount> is a real and is rounded to the nearest 0.00000001");
string strAccount = AccountFromValue(params[0]);
string strAddress = params[1].get_str();
int64 nAmount = AmountFromValue(params[2]);
int nMinDepth = 1;
if (params.size() > 3)
nMinDepth = params[3].get_int();
CWalletTx wtx;
wtx.strFromAccount = strAccount;
if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
wtx.mapValue["comment"] = params[4].get_str();
if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
wtx.mapValue["to"] = params[5].get_str();
CRITICAL_BLOCK(cs_main)
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
// Check funds
int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
if (nAmount > nBalance)
throw JSONRPCError(-6, "Account has insufficient funds");
// Send
string strError = pwalletMain->SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
if (strError != "")
throw JSONRPCError(-4, strError);
}
return wtx.GetHash().GetHex();
}
Value sendmany(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 2 || params.size() > 4)
throw runtime_error(
"sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
"amounts are double-precision floating point numbers");
string strAccount = AccountFromValue(params[0]);
Object sendTo = params[1].get_obj();
int nMinDepth = 1;
if (params.size() > 2)
nMinDepth = params[2].get_int();
CWalletTx wtx;
wtx.strFromAccount = strAccount;
if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
wtx.mapValue["comment"] = params[3].get_str();
set<string> setAddress;
vector<pair<CScript, int64> > vecSend;
int64 totalAmount = 0;
BOOST_FOREACH(const Pair& s, sendTo)
{
uint160 hash160;
string strAddress = s.name_;
if (setAddress.count(strAddress))
throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+strAddress);
setAddress.insert(strAddress);
CScript scriptPubKey;
if (!scriptPubKey.SetBitcoinAddress(strAddress))
throw JSONRPCError(-5, string("Invalid bitcoin address:")+strAddress);
int64 nAmount = AmountFromValue(s.value_);
totalAmount += nAmount;
vecSend.push_back(make_pair(scriptPubKey, nAmount));
}
CRITICAL_BLOCK(cs_main)
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
// Check funds
int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
if (totalAmount > nBalance)
throw JSONRPCError(-6, "Account has insufficient funds");
// Send
CReserveKey keyChange(pwalletMain);
int64 nFeeRequired = 0;
bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
if (!fCreated)
{
if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
throw JSONRPCError(-6, "Insufficient funds");
throw JSONRPCError(-4, "Transaction creation failed");
}
if (!pwalletMain->CommitTransaction(wtx, keyChange))
throw JSONRPCError(-4, "Transaction commit failed");
}
return wtx.GetHash().GetHex();
}
struct tallyitem
{
int64 nAmount;
int nConf;
tallyitem()
{
nAmount = 0;
nConf = INT_MAX;
}
};
Value ListReceived(const Array& params, bool fByAccounts)
{
// Minimum confirmations
int nMinDepth = 1;
if (params.size() > 0)
nMinDepth = params[0].get_int();
// Whether to include empty accounts
bool fIncludeEmpty = false;
if (params.size() > 1)
fIncludeEmpty = params[1].get_bool();
// Tally
map<uint160, tallyitem> mapTally;
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
if (wtx.IsCoinBase() || !wtx.IsFinal())
continue;
int nDepth = wtx.GetDepthInMainChain();
if (nDepth < nMinDepth)
continue;
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
{
// Only counting our own bitcoin addresses and not ip addresses
uint160 hash160 = txout.scriptPubKey.GetBitcoinAddressHash160();
if (hash160 == 0 || !mapPubKeys.count(hash160)) // IsMine
continue;
tallyitem& item = mapTally[hash160];
item.nAmount += txout.nValue;
item.nConf = min(item.nConf, nDepth);
}
}
}
// Reply
Array ret;
map<string, tallyitem> mapAccountTally;
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
{
const string& strAddress = item.first;
const string& strAccount = item.second;
uint160 hash160;
if (!AddressToHash160(strAddress, hash160))
continue;
map<uint160, tallyitem>::iterator it = mapTally.find(hash160);
if (it == mapTally.end() && !fIncludeEmpty)
continue;
int64 nAmount = 0;
int nConf = INT_MAX;
if (it != mapTally.end())
{
nAmount = (*it).second.nAmount;
nConf = (*it).second.nConf;
}
if (fByAccounts)
{
tallyitem& item = mapAccountTally[strAccount];
item.nAmount += nAmount;
item.nConf = min(item.nConf, nConf);
}
else
{
Object obj;
obj.push_back(Pair("address", strAddress));
obj.push_back(Pair("account", strAccount));
obj.push_back(Pair("label", strAccount)); // deprecated
obj.push_back(Pair("amount", ValueFromAmount(nAmount)));
obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
ret.push_back(obj);
}
}
}
if (fByAccounts)
{
for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
{
int64 nAmount = (*it).second.nAmount;
int nConf = (*it).second.nConf;
Object obj;
obj.push_back(Pair("account", (*it).first));
obj.push_back(Pair("label", (*it).first)); // deprecated
obj.push_back(Pair("amount", ValueFromAmount(nAmount)));
obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
ret.push_back(obj);
}
}
return ret;
}
Value listreceivedbyaddress(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"listreceivedbyaddress [minconf=1] [includeempty=false]\n"
"[minconf] is the minimum number of confirmations before payments are included.\n"
"[includeempty] whether to include addresses that haven't received any payments.\n"
"Returns an array of objects containing:\n"
" \"address\" : receiving address\n"
" \"account\" : the account of the receiving address\n"
" \"amount\" : total amount received by the address\n"
" \"confirmations\" : number of confirmations of the most recent transaction included");
return ListReceived(params, false);
}
Value listreceivedbyaccount(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"listreceivedbyaccount [minconf=1] [includeempty=false]\n"
"[minconf] is the minimum number of confirmations before payments are included.\n"
"[includeempty] whether to include accounts that haven't received any payments.\n"
"Returns an array of objects containing:\n"
" \"account\" : the account of the receiving addresses\n"
" \"amount\" : total amount received by addresses with this account\n"
" \"confirmations\" : number of confirmations of the most recent transaction included");
return ListReceived(params, true);
}
void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
{
int64 nGeneratedImmature, nGeneratedMature, nFee;
string strSentAccount;
list<pair<string, int64> > listReceived;
list<pair<string, int64> > listSent;
wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
bool fAllAccounts = (strAccount == string("*"));
// Generated blocks assigned to account ""
if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
{
Object entry;
entry.push_back(Pair("account", string("")));
if (nGeneratedImmature)
{
entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
}
else
{
entry.push_back(Pair("category", "generate"));
entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
}
if (fLong)
WalletTxToJSON(wtx, entry);
ret.push_back(entry);
}
// Sent
if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
{
BOOST_FOREACH(const PAIRTYPE(string, int64)& s, listSent)
{
Object entry;
entry.push_back(Pair("account", strSentAccount));
entry.push_back(Pair("address", s.first));
entry.push_back(Pair("category", "send"));
entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
if (fLong)
WalletTxToJSON(wtx, entry);
ret.push_back(entry);
}
}
// Received
if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
BOOST_FOREACH(const PAIRTYPE(string, int64)& r, listReceived)
{
string account;
if (pwalletMain->mapAddressBook.count(r.first))
account = pwalletMain->mapAddressBook[r.first];
if (fAllAccounts || (account == strAccount))
{
Object entry;
entry.push_back(Pair("account", account));
entry.push_back(Pair("address", r.first));
entry.push_back(Pair("category", "receive"));
entry.push_back(Pair("amount", ValueFromAmount(r.second)));
if (fLong)
WalletTxToJSON(wtx, entry);
ret.push_back(entry);
}
}
}
}
void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
{
bool fAllAccounts = (strAccount == string("*"));
if (fAllAccounts || acentry.strAccount == strAccount)
{
Object entry;
entry.push_back(Pair("account", acentry.strAccount));
entry.push_back(Pair("category", "move"));
entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
entry.push_back(Pair("comment", acentry.strComment));
ret.push_back(entry);
}
}
Value listtransactions(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 3)
throw runtime_error(
"listtransactions [account] [count=10] [from=0]\n"
"Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
string strAccount = "*";
if (params.size() > 0)
strAccount = params[0].get_str();
int nCount = 10;
if (params.size() > 1)
nCount = params[1].get_int();
int nFrom = 0;
if (params.size() > 2)
nFrom = params[2].get_int();
Array ret;
CWalletDB walletdb(pwalletMain->strWalletFile);
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
// Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
typedef multimap<int64, TxPair > TxItems;
TxItems txByTime;
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
CWalletTx* wtx = &((*it).second);
txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
}
list<CAccountingEntry> acentries;
walletdb.ListAccountCreditDebit(strAccount, acentries);
BOOST_FOREACH(CAccountingEntry& entry, acentries)
{
txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
}
// Now: iterate backwards until we have nCount items to return:
TxItems::reverse_iterator it = txByTime.rbegin();
for (std::advance(it, nFrom); it != txByTime.rend(); ++it)
{
CWalletTx *const pwtx = (*it).second.first;
if (pwtx != 0)
ListTransactions(*pwtx, strAccount, 0, true, ret);
CAccountingEntry *const pacentry = (*it).second.second;
if (pacentry != 0)
AcentryToJSON(*pacentry, strAccount, ret);
if (ret.size() >= nCount) break;
}
// ret is now newest to oldest
}
// Make sure we return only last nCount items (sends-to-self might give us an extra):
if (ret.size() > nCount)
{
Array::iterator last = ret.begin();
std::advance(last, nCount);
ret.erase(last, ret.end());
}
std::reverse(ret.begin(), ret.end()); // oldest to newest
return ret;
}
Value listaccounts(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)
throw runtime_error(
"listaccounts [minconf=1]\n"
"Returns Object that has account names as keys, account balances as values.");
int nMinDepth = 1;
if (params.size() > 0)
nMinDepth = params[0].get_int();
map<string, int64> mapAccountBalances;
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
BOOST_FOREACH(const PAIRTYPE(string, string)& entry, pwalletMain->mapAddressBook) {
uint160 hash160;
if(AddressToHash160(entry.first, hash160) && mapPubKeys.count(hash160)) // This address belongs to me
mapAccountBalances[entry.second] = 0;
}
for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
int64 nGeneratedImmature, nGeneratedMature, nFee;
string strSentAccount;
list<pair<string, int64> > listReceived;
list<pair<string, int64> > listSent;
wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
mapAccountBalances[strSentAccount] -= nFee;
BOOST_FOREACH(const PAIRTYPE(string, int64)& s, listSent)
mapAccountBalances[strSentAccount] -= s.second;
if (wtx.GetDepthInMainChain() >= nMinDepth)
{
mapAccountBalances[""] += nGeneratedMature;
BOOST_FOREACH(const PAIRTYPE(string, int64)& r, listReceived)
if (pwalletMain->mapAddressBook.count(r.first))
mapAccountBalances[pwalletMain->mapAddressBook[r.first]] += r.second;
else
mapAccountBalances[""] += r.second;
}
}
}
list<CAccountingEntry> acentries;
CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
BOOST_FOREACH(const CAccountingEntry& entry, acentries)
mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
Object ret;
BOOST_FOREACH(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
}
return ret;
}
Value gettransaction(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"gettransaction <txid>\n"
"Get detailed information about <txid>");
uint256 hash;
hash.SetHex(params[0].get_str());
Object entry;
CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
{
if (!pwalletMain->mapWallet.count(hash))
throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
const CWalletTx& wtx = pwalletMain->mapWallet[hash];
int64 nCredit = wtx.GetCredit();
int64 nDebit = wtx.GetDebit();
int64 nNet = nCredit - nDebit;
int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
if (wtx.IsFromMe())
entry.push_back(Pair("fee", ValueFromAmount(nFee)));
WalletTxToJSON(pwalletMain->mapWallet[hash], entry);
Array details;
ListTransactions(pwalletMain->mapWallet[hash], "*", 0, false, details);
entry.push_back(Pair("details", details));
}
return entry;
}
Value backupwallet(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"backupwallet <destination>\n"
"Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
string strDest = params[0].get_str();
BackupWallet(*pwalletMain, strDest);
return Value::null;
}
Value validateaddress(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"validateaddress <bitcoinaddress>\n"
"Return information about <bitcoinaddress>.");
string strAddress = params[0].get_str();
uint160 hash160;
bool isValid = AddressToHash160(strAddress, hash160);
Object ret;
ret.push_back(Pair("isvalid", isValid));
if (isValid)
{
// Call Hash160ToAddress() so we always return current ADDRESSVERSION
// version of the address:
string currentAddress = Hash160ToAddress(hash160);
ret.push_back(Pair("address", currentAddress));
ret.push_back(Pair("ismine", (mapPubKeys.count(hash160) > 0)));
CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
{
if (pwalletMain->mapAddressBook.count(currentAddress))
ret.push_back(Pair("account", pwalletMain->mapAddressBook[currentAddress]));
}
}
return ret;
}
Value getwork(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)
throw runtime_error(
"getwork [data]\n"
"If [data] is not specified, returns formatted hash data to work on:\n"
" \"midstate\" : precomputed hash state after hashing the first half of the data\n"
" \"data\" : block data\n"
" \"hash1\" : formatted hash buffer for second hash\n"
" \"target\" : little endian hash target\n"
"If [data] is specified, tries to solve the block and returns true if it was successful.");
if (vNodes.empty())
throw JSONRPCError(-9, "Bitcoin is not connected!");
if (IsInitialBlockDownload())
throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
static vector<CBlock*> vNewBlock;
static CReserveKey reservekey(pwalletMain);
if (params.size() == 0)
{
// Update block
static unsigned int nTransactionsUpdatedLast;
static CBlockIndex* pindexPrev;
static int64 nStart;
static CBlock* pblock;
if (pindexPrev != pindexBest ||
(nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
{
if (pindexPrev != pindexBest)
{
// Deallocate old blocks since they're obsolete now
mapNewBlock.clear();
BOOST_FOREACH(CBlock* pblock, vNewBlock)
delete pblock;
vNewBlock.clear();
}
nTransactionsUpdatedLast = nTransactionsUpdated;
pindexPrev = pindexBest;
nStart = GetTime();
// Create new block
pblock = CreateNewBlock(reservekey);
if (!pblock)
throw JSONRPCError(-7, "Out of memory");
vNewBlock.push_back(pblock);
}
// Update nTime
pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
pblock->nNonce = 0;
// Update nExtraNonce
static unsigned int nExtraNonce = 0;
static int64 nPrevTime = 0;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
// Save
mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
// Prebuild hash buffers
char pmidstate[32];
char pdata[128];
char phash1[64];
FormatHashBuffers(pblock, pmidstate, pdata, phash1);
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
Object result;
result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate))));
result.push_back(Pair("data", HexStr(BEGIN(pdata), END(pdata))));
result.push_back(Pair("hash1", HexStr(BEGIN(phash1), END(phash1))));
result.push_back(Pair("target", HexStr(BEGIN(hashTarget), END(hashTarget))));
return result;
}
else
{
// Parse parameters
vector<unsigned char> vchData = ParseHex(params[0].get_str());
if (vchData.size() != 128)
throw JSONRPCError(-8, "Invalid parameter");
CBlock* pdata = (CBlock*)&vchData[0];
// Byte reverse
for (int i = 0; i < 128/4; i++)
((unsigned int*)pdata)[i] = CryptoPP::ByteReverse(((unsigned int*)pdata)[i]);
// Get saved block
if (!mapNewBlock.count(pdata->hashMerkleRoot))
return false;
CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
pblock->nTime = pdata->nTime;
pblock->nNonce = pdata->nNonce;
pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
return CheckWork(pblock, *pwalletMain, reservekey);
}
}
//
// Call Table
//
pair<string, rpcfn_type> pCallTable[] =
{
make_pair("help", &help),
make_pair("stop", &stop),
make_pair("getblockcount", &getblockcount),
make_pair("getblocknumber", &getblocknumber),
make_pair("getconnectioncount", &getconnectioncount),
make_pair("getdifficulty", &getdifficulty),
make_pair("getgenerate", &getgenerate),
make_pair("setgenerate", &setgenerate),
make_pair("gethashespersec", &gethashespersec),
make_pair("getinfo", &getinfo),
make_pair("getnewaddress", &getnewaddress),
make_pair("getaccountaddress", &getaccountaddress),
make_pair("setaccount", &setaccount),
make_pair("setlabel", &setaccount), // deprecated
make_pair("getaccount", &getaccount),
make_pair("getlabel", &getaccount), // deprecated
make_pair("getaddressesbyaccount", &getaddressesbyaccount),
make_pair("getaddressesbylabel", &getaddressesbyaccount), // deprecated
make_pair("sendtoaddress", &sendtoaddress),
make_pair("getamountreceived", &getreceivedbyaddress), // deprecated, renamed to getreceivedbyaddress
make_pair("getallreceived", &listreceivedbyaddress), // deprecated, renamed to listreceivedbyaddress
make_pair("getreceivedbyaddress", &getreceivedbyaddress),
make_pair("getreceivedbyaccount", &getreceivedbyaccount),
make_pair("getreceivedbylabel", &getreceivedbyaccount), // deprecated
make_pair("listreceivedbyaddress", &listreceivedbyaddress),
make_pair("listreceivedbyaccount", &listreceivedbyaccount),
make_pair("listreceivedbylabel", &listreceivedbyaccount), // deprecated
make_pair("backupwallet", &backupwallet),
make_pair("validateaddress", &validateaddress),
make_pair("getbalance", &getbalance),
make_pair("move", &movecmd),
make_pair("sendfrom", &sendfrom),
make_pair("sendmany", &sendmany),
make_pair("gettransaction", &gettransaction),
make_pair("listtransactions", &listtransactions),
make_pair("getwork", &getwork),
make_pair("listaccounts", &listaccounts),
make_pair("settxfee", &settxfee),
};
map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
string pAllowInSafeMode[] =
{
"help",
"stop",
"getblockcount",
"getblocknumber",
"getconnectioncount",
"getdifficulty",
"getgenerate",
"setgenerate",
"gethashespersec",
"getinfo",
"getnewaddress",
"getaccountaddress",
"setlabel",
"getaccount",
"getlabel", // deprecated
"getaddressesbyaccount",
"getaddressesbylabel", // deprecated
"backupwallet",
"validateaddress",
"getwork",
};
set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
//
// HTTP protocol
//
// This ain't Apache. We're just using HTTP header for the length field
// and to be compatible with other JSON-RPC implementations.
//
string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
{
ostringstream s;
s << "POST / HTTP/1.1\r\n"
<< "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
<< "Host: 127.0.0.1\r\n"
<< "Content-Type: application/json\r\n"
<< "Content-Length: " << strMsg.size() << "\r\n"
<< "Accept: application/json\r\n";
BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
s << item.first << ": " << item.second << "\r\n";
s << "\r\n" << strMsg;
return s.str();
}
string rfc1123Time()
{
char buffer[64];
time_t now;
time(&now);
struct tm* now_gmt = gmtime(&now);
string locale(setlocale(LC_TIME, NULL));
setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
setlocale(LC_TIME, locale.c_str());
return string(buffer);
}
string HTTPReply(int nStatus, const string& strMsg)
{
if (nStatus == 401)
return strprintf("HTTP/1.0 401 Authorization Required\r\n"
"Date: %s\r\n"
"Server: bitcoin-json-rpc/%s\r\n"
"WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
"Content-Type: text/html\r\n"
"Content-Length: 296\r\n"
"\r\n"
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
"\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
"<HTML>\r\n"
"<HEAD>\r\n"
"<TITLE>Error</TITLE>\r\n"
"<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
"</HEAD>\r\n"
"<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
"</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
string strStatus;
if (nStatus == 200) strStatus = "OK";
else if (nStatus == 400) strStatus = "Bad Request";
else if (nStatus == 404) strStatus = "Not Found";
else if (nStatus == 500) strStatus = "Internal Server Error";
return strprintf(
"HTTP/1.1 %d %s\r\n"
"Date: %s\r\n"
"Connection: close\r\n"
"Content-Length: %d\r\n"
"Content-Type: application/json\r\n"
"Server: bitcoin-json-rpc/%s\r\n"
"\r\n"
"%s",
nStatus,
strStatus.c_str(),
rfc1123Time().c_str(),
strMsg.size(),
FormatFullVersion().c_str(),
strMsg.c_str());
}
int ReadHTTPStatus(std::basic_istream<char>& stream)
{
string str;
getline(stream, str);
vector<string> vWords;
boost::split(vWords, str, boost::is_any_of(" "));
if (vWords.size() < 2)
return 500;
return atoi(vWords[1].c_str());
}
int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
{
int nLen = 0;
loop
{
string str;
std::getline(stream, str);
if (str.empty() || str == "\r")
break;
string::size_type nColon = str.find(":");
if (nColon != string::npos)
{
string strHeader = str.substr(0, nColon);
boost::trim(strHeader);
boost::to_lower(strHeader);
string strValue = str.substr(nColon+1);
boost::trim(strValue);
mapHeadersRet[strHeader] = strValue;
if (strHeader == "content-length")
nLen = atoi(strValue.c_str());
}
}
return nLen;
}
int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
{
mapHeadersRet.clear();
strMessageRet = "";
// Read status
int nStatus = ReadHTTPStatus(stream);
// Read header
int nLen = ReadHTTPHeader(stream, mapHeadersRet);
if (nLen < 0 || nLen > MAX_SIZE)
return 500;
// Read message
if (nLen > 0)
{
vector<char> vch(nLen);
stream.read(&vch[0], nLen);
strMessageRet = string(vch.begin(), vch.end());
}
return nStatus;
}
string EncodeBase64(string s)
{
BIO *b64, *bmem;
BUF_MEM *bptr;
b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
bmem = BIO_new(BIO_s_mem());
b64 = BIO_push(b64, bmem);
BIO_write(b64, s.c_str(), s.size());
BIO_flush(b64);
BIO_get_mem_ptr(b64, &bptr);
string result(bptr->data, bptr->length);
BIO_free_all(b64);
return result;
}
string DecodeBase64(string s)
{
BIO *b64, *bmem;
char* buffer = static_cast<char*>(calloc(s.size(), sizeof(char)));
b64 = BIO_new(BIO_f_base64());
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
bmem = BIO_new_mem_buf(const_cast<char*>(s.c_str()), s.size());
bmem = BIO_push(b64, bmem);
BIO_read(bmem, buffer, s.size());
BIO_free_all(bmem);
string result(buffer);
free(buffer);
return result;
}
bool HTTPAuthorized(map<string, string>& mapHeaders)
{
string strAuth = mapHeaders["authorization"];
if (strAuth.substr(0,6) != "Basic ")
return false;
string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
string strUserPass = DecodeBase64(strUserPass64);
string::size_type nColon = strUserPass.find(":");
if (nColon == string::npos)
return false;
string strUser = strUserPass.substr(0, nColon);
string strPassword = strUserPass.substr(nColon+1);
return (strUser == mapArgs["-rpcuser"] && strPassword == mapArgs["-rpcpassword"]);
}
//
// JSON-RPC protocol. Bitcoin speaks version 1.0 for maximum compatibility,
// but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
// unspecified (HTTP errors and contents of 'error').
//
// 1.0 spec: http://json-rpc.org/wiki/specification
// 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
// http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
//
string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
{
Object request;
request.push_back(Pair("method", strMethod));
request.push_back(Pair("params", params));
request.push_back(Pair("id", id));
return write_string(Value(request), false) + "\n";
}
string JSONRPCReply(const Value& result, const Value& error, const Value& id)
{
Object reply;
if (error.type() != null_type)
reply.push_back(Pair("result", Value::null));
else
reply.push_back(Pair("result", result));
reply.push_back(Pair("error", error));
reply.push_back(Pair("id", id));
return write_string(Value(reply), false) + "\n";
}
void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
{
// Send error reply from json-rpc error object
int nStatus = 500;
int code = find_value(objError, "code").get_int();
if (code == -32600) nStatus = 400;
else if (code == -32601) nStatus = 404;
string strReply = JSONRPCReply(Value::null, objError, id);
stream << HTTPReply(nStatus, strReply) << std::flush;
}
bool ClientAllowed(const string& strAddress)
{
if (strAddress == asio::ip::address_v4::loopback().to_string())
return true;
const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
BOOST_FOREACH(string strAllow, vAllow)
if (WildcardMatch(strAddress, strAllow))
return true;
return false;
}
#ifdef USE_SSL
//
// IOStream device that speaks SSL but can also speak non-SSL
//
class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
public:
SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
{
fUseSSL = fUseSSLIn;
fNeedHandshake = fUseSSLIn;
}
void handshake(ssl::stream_base::handshake_type role)
{
if (!fNeedHandshake) return;
fNeedHandshake = false;
stream.handshake(role);
}
std::streamsize read(char* s, std::streamsize n)
{
handshake(ssl::stream_base::server); // HTTPS servers read first
if (fUseSSL) return stream.read_some(asio::buffer(s, n));
return stream.next_layer().read_some(asio::buffer(s, n));
}
std::streamsize write(const char* s, std::streamsize n)
{
handshake(ssl::stream_base::client); // HTTPS clients write first
if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
return asio::write(stream.next_layer(), asio::buffer(s, n));
}
bool connect(const std::string& server, const std::string& port)
{
ip::tcp::resolver resolver(stream.get_io_service());
ip::tcp::resolver::query query(server.c_str(), port.c_str());
ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
ip::tcp::resolver::iterator end;
boost::system::error_code error = asio::error::host_not_found;
while (error && endpoint_iterator != end)
{
stream.lowest_layer().close();
stream.lowest_layer().connect(*endpoint_iterator++, error);
}
if (error)
return false;
return true;
}
private:
bool fNeedHandshake;
bool fUseSSL;
SSLStream& stream;
};
#endif
void ThreadRPCServer(void* parg)
{
IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
try
{
vnThreadsRunning[4]++;
ThreadRPCServer2(parg);
vnThreadsRunning[4]--;
}
catch (std::exception& e) {
vnThreadsRunning[4]--;
PrintException(&e, "ThreadRPCServer()");
} catch (...) {
vnThreadsRunning[4]--;
PrintException(NULL, "ThreadRPCServer()");
}
printf("ThreadRPCServer exiting\n");
}
void ThreadRPCServer2(void* parg)
{
printf("ThreadRPCServer started\n");
if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
{
string strWhatAmI = "To use bitcoind";
if (mapArgs.count("-server"))
strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
else if (mapArgs.count("-daemon"))
strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
PrintConsole(
_("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
"If the file does not exist, create it with owner-readable-only file permissions.\n"),
strWhatAmI.c_str(),
GetConfigFile().c_str());
CreateThread(Shutdown, NULL);
return;
}
bool fUseSSL = GetBoolArg("-rpcssl");
asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
asio::io_service io_service;
ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
ip::tcp::acceptor acceptor(io_service, endpoint);
acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
#ifdef USE_SSL
ssl::context context(io_service, ssl::context::sslv23);
if (fUseSSL)
{
context.set_options(ssl::context::no_sslv2);
filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
string ciphers = GetArg("-rpcsslciphers",
"TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
}
#else
if (fUseSSL)
throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
#endif
loop
{
// Accept connection
#ifdef USE_SSL
SSLStream sslStream(io_service, context);
SSLIOStreamDevice d(sslStream, fUseSSL);
iostreams::stream<SSLIOStreamDevice> stream(d);
#else
ip::tcp::iostream stream;
#endif
ip::tcp::endpoint peer;
vnThreadsRunning[4]--;
#ifdef USE_SSL
acceptor.accept(sslStream.lowest_layer(), peer);
#else
acceptor.accept(*stream.rdbuf(), peer);
#endif
vnThreadsRunning[4]++;
if (fShutdown)
return;
// Restrict callers by IP
if (!ClientAllowed(peer.address().to_string()))
continue;
map<string, string> mapHeaders;
string strRequest;
boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
{ // Timed out:
acceptor.cancel();
printf("ThreadRPCServer ReadHTTP timeout\n");
continue;
}
// Check authorization
if (mapHeaders.count("authorization") == 0)
{
stream << HTTPReply(401, "") << std::flush;
continue;
}
if (!HTTPAuthorized(mapHeaders))
{
// Deter brute-forcing short passwords
if (mapArgs["-rpcpassword"].size() < 15)
Sleep(50);
stream << HTTPReply(401, "") << std::flush;
printf("ThreadRPCServer incorrect password attempt\n");
continue;
}
Value id = Value::null;
try
{
// Parse request
Value valRequest;
if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
throw JSONRPCError(-32700, "Parse error");
const Object& request = valRequest.get_obj();
// Parse id now so errors from here on will have the id
id = find_value(request, "id");
// Parse method
Value valMethod = find_value(request, "method");
if (valMethod.type() == null_type)
throw JSONRPCError(-32600, "Missing method");
if (valMethod.type() != str_type)
throw JSONRPCError(-32600, "Method must be a string");
string strMethod = valMethod.get_str();
if (strMethod != "getwork")
printf("ThreadRPCServer method=%s\n", strMethod.c_str());
// Parse params
Value valParams = find_value(request, "params");
Array params;
if (valParams.type() == array_type)
params = valParams.get_array();
else if (valParams.type() == null_type)
params = Array();
else
throw JSONRPCError(-32600, "Params must be an array");
// Find method
map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
if (mi == mapCallTable.end())
throw JSONRPCError(-32601, "Method not found");
// Observe safe mode
string strWarning = GetWarnings("rpc");
if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
try
{
// Execute
Value result = (*(*mi).second)(params, false);
// Send reply
string strReply = JSONRPCReply(result, Value::null, id);
stream << HTTPReply(200, strReply) << std::flush;
}
catch (std::exception& e)
{
ErrorReply(stream, JSONRPCError(-1, e.what()), id);
}
}
catch (Object& objError)
{
ErrorReply(stream, objError, id);
}
catch (std::exception& e)
{
ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
}
}
}
Object CallRPC(const string& strMethod, const Array& params)
{
if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
throw runtime_error(strprintf(
_("You must set rpcpassword=<password> in the configuration file:\n%s\n"
"If the file does not exist, create it with owner-readable-only file permissions."),
GetConfigFile().c_str()));
// Connect to localhost
bool fUseSSL = GetBoolArg("-rpcssl");
#ifdef USE_SSL
asio::io_service io_service;
ssl::context context(io_service, ssl::context::sslv23);
context.set_options(ssl::context::no_sslv2);
SSLStream sslStream(io_service, context);
SSLIOStreamDevice d(sslStream, fUseSSL);
iostreams::stream<SSLIOStreamDevice> stream(d);
if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
throw runtime_error("couldn't connect to server");
#else
if (fUseSSL)
throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
if (stream.fail())
throw runtime_error("couldn't connect to server");
#endif
// HTTP basic authentication
string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
map<string, string> mapRequestHeaders;
mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
// Send request
string strRequest = JSONRPCRequest(strMethod, params, 1);
string strPost = HTTPPost(strRequest, mapRequestHeaders);
stream << strPost << std::flush;
// Receive reply
map<string, string> mapHeaders;
string strReply;
int nStatus = ReadHTTP(stream, mapHeaders, strReply);
if (nStatus == 401)
throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
else if (strReply.empty())
throw runtime_error("no response from server");
// Parse reply
Value valReply;
if (!read_string(strReply, valReply))
throw runtime_error("couldn't parse reply from server");
const Object& reply = valReply.get_obj();
if (reply.empty())
throw runtime_error("expected reply to have result, error and id properties");
return reply;
}
template<typename T>
void ConvertTo(Value& value)
{
if (value.type() == str_type)
{
// reinterpret string as unquoted json value
Value value2;
if (!read_string(value.get_str(), value2))
throw runtime_error("type mismatch");
value = value2.get_value<T>();
}
else
{
value = value.get_value<T>();
}
}
int CommandLineRPC(int argc, char *argv[])
{
string strPrint;
int nRet = 0;
try
{
// Skip switches
while (argc > 1 && IsSwitchChar(argv[1][0]))
{
argc--;
argv++;
}
// Method
if (argc < 2)
throw runtime_error("too few parameters");
string strMethod = argv[1];
// Parameters default to strings
Array params;
for (int i = 2; i < argc; i++)
params.push_back(argv[i]);
int n = params.size();
//
// Special case non-string parameter types
//
if (strMethod == "setgenerate" && n > 0) ConvertTo<bool>(params[0]);
if (strMethod == "setgenerate" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "sendtoaddress" && n > 1) ConvertTo<double>(params[1]);
if (strMethod == "settxfee" && n > 0) ConvertTo<double>(params[0]);
if (strMethod == "getamountreceived" && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
if (strMethod == "getreceivedbyaddress" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "getreceivedbyaccount" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "getreceivedbylabel" && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
if (strMethod == "getallreceived" && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
if (strMethod == "getallreceived" && n > 1) ConvertTo<bool>(params[1]);
if (strMethod == "listreceivedbyaddress" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "listreceivedbyaddress" && n > 1) ConvertTo<bool>(params[1]);
if (strMethod == "listreceivedbyaccount" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "listreceivedbyaccount" && n > 1) ConvertTo<bool>(params[1]);
if (strMethod == "listreceivedbylabel" && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
if (strMethod == "listreceivedbylabel" && n > 1) ConvertTo<bool>(params[1]); // deprecated
if (strMethod == "getbalance" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "move" && n > 2) ConvertTo<double>(params[2]);
if (strMethod == "move" && n > 3) ConvertTo<boost::int64_t>(params[3]);
if (strMethod == "sendfrom" && n > 2) ConvertTo<double>(params[2]);
if (strMethod == "sendfrom" && n > 3) ConvertTo<boost::int64_t>(params[3]);
if (strMethod == "listtransactions" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "listtransactions" && n > 2) ConvertTo<boost::int64_t>(params[2]);
if (strMethod == "listaccounts" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "sendmany" && n > 1)
{
string s = params[1].get_str();
Value v;
if (!read_string(s, v) || v.type() != obj_type)
throw runtime_error("type mismatch");
params[1] = v.get_obj();
}
if (strMethod == "sendmany" && n > 2) ConvertTo<boost::int64_t>(params[2]);
// Execute
Object reply = CallRPC(strMethod, params);
// Parse reply
const Value& result = find_value(reply, "result");
const Value& error = find_value(reply, "error");
const Value& id = find_value(reply, "id");
if (error.type() != null_type)
{
// Error
strPrint = "error: " + write_string(error, false);
int code = find_value(error.get_obj(), "code").get_int();
nRet = abs(code);
}
else
{
// Result
if (result.type() == null_type)
strPrint = "";
else if (result.type() == str_type)
strPrint = result.get_str();
else
strPrint = write_string(result, true);
}
}
catch (std::exception& e)
{
strPrint = string("error: ") + e.what();
nRet = 87;
}
catch (...)
{
PrintException(NULL, "CommandLineRPC()");
}
if (strPrint != "")
{
#if defined(__WXMSW__) && defined(GUI)
// Windows GUI apps can't print to command line,
// so settle for a message box yuck
MyMessageBox(strPrint, "Bitcoin", wxOK);
#else
fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
#endif
}
return nRet;
}
#ifdef TEST
int main(int argc, char *argv[])
{
#ifdef _MSC_VER
// Turn off microsoft heap dump noise
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
#endif
setbuf(stdin, NULL);
setbuf(stdout, NULL);
setbuf(stderr, NULL);
try
{
if (argc >= 2 && string(argv[1]) == "-server")
{
printf("server ready\n");
ThreadRPCServer(NULL);
}
else
{
return CommandLineRPC(argc, argv);
}
}
catch (std::exception& e) {
PrintException(&e, "main()");
} catch (...) {
PrintException(NULL, "main()");
}
return 0;
}
#endif
diff --git a/src/util.cpp b/src/util.cpp
index b95e236167..b18d75c6a4 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1,915 +1,916 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
#include "strlcpy.h"
#include <boost/program_options/detail/config_file.hpp>
#include <boost/program_options/parsers.hpp>
+#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/interprocess/sync/interprocess_mutex.hpp>
#include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
#include <boost/foreach.hpp>
using namespace std;
using namespace boost;
map<string, string> mapArgs;
map<string, vector<string> > mapMultiArgs;
bool fDebug = false;
bool fPrintToConsole = false;
bool fPrintToDebugger = false;
char pszSetDataDir[MAX_PATH] = "";
bool fRequestShutdown = false;
bool fShutdown = false;
bool fDaemon = false;
bool fServer = false;
bool fCommandLine = false;
string strMiscWarning;
bool fTestNet = false;
bool fNoListen = false;
bool fLogTimestamps = false;
// Workaround for "multiple definition of `_tls_used'"
// http://svn.boost.org/trac/boost/ticket/4258
extern "C" void tss_cleanup_implemented() { }
// Init openssl library multithreading support
static boost::interprocess::interprocess_mutex** ppmutexOpenSSL;
void locking_callback(int mode, int i, const char* file, int line)
{
if (mode & CRYPTO_LOCK)
ppmutexOpenSSL[i]->lock();
else
ppmutexOpenSSL[i]->unlock();
}
// Init
class CInit
{
public:
CInit()
{
// Init openssl library multithreading support
ppmutexOpenSSL = (boost::interprocess::interprocess_mutex**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(boost::interprocess::interprocess_mutex*));
for (int i = 0; i < CRYPTO_num_locks(); i++)
ppmutexOpenSSL[i] = new boost::interprocess::interprocess_mutex();
CRYPTO_set_locking_callback(locking_callback);
#ifdef __WXMSW__
// Seed random number generator with screen scrape and other hardware sources
RAND_screen();
#endif
// Seed random number generator with performance counter
RandAddSeed();
}
~CInit()
{
// Shutdown openssl library multithreading support
CRYPTO_set_locking_callback(NULL);
for (int i = 0; i < CRYPTO_num_locks(); i++)
delete ppmutexOpenSSL[i];
OPENSSL_free(ppmutexOpenSSL);
}
}
instance_of_cinit;
void RandAddSeed()
{
// Seed with CPU performance counter
int64 nCounter = GetPerformanceCounter();
RAND_add(&nCounter, sizeof(nCounter), 1.5);
memset(&nCounter, 0, sizeof(nCounter));
}
void RandAddSeedPerfmon()
{
RandAddSeed();
// This can take up to 2 seconds, so only do it every 10 minutes
static int64 nLastPerfmon;
if (GetTime() < nLastPerfmon + 10 * 60)
return;
nLastPerfmon = GetTime();
#ifdef __WXMSW__
// Don't need this on Linux, OpenSSL automatically uses /dev/urandom
// Seed with the entire set of perfmon data
unsigned char pdata[250000];
memset(pdata, 0, sizeof(pdata));
unsigned long nSize = sizeof(pdata);
long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
RegCloseKey(HKEY_PERFORMANCE_DATA);
if (ret == ERROR_SUCCESS)
{
RAND_add(pdata, nSize, nSize/100.0);
memset(pdata, 0, nSize);
printf("%s RandAddSeed() %d bytes\n", DateTimeStrFormat("%x %H:%M", GetTime()).c_str(), nSize);
}
#endif
}
uint64 GetRand(uint64 nMax)
{
if (nMax == 0)
return 0;
// The range of the random source must be a multiple of the modulus
// to give every possible output value an equal possibility
uint64 nRange = (UINT64_MAX / nMax) * nMax;
uint64 nRand = 0;
do
RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
while (nRand >= nRange);
return (nRand % nMax);
}
int GetRandInt(int nMax)
{
return GetRand(nMax);
}
inline int OutputDebugStringF(const char* pszFormat, ...)
{
int ret = 0;
if (fPrintToConsole)
{
// print to console
va_list arg_ptr;
va_start(arg_ptr, pszFormat);
ret = vprintf(pszFormat, arg_ptr);
va_end(arg_ptr);
}
else
{
// print to debug.log
static FILE* fileout = NULL;
if (!fileout)
{
char pszFile[MAX_PATH+100];
GetDataDir(pszFile);
strlcat(pszFile, "/debug.log", sizeof(pszFile));
fileout = fopen(pszFile, "a");
if (fileout) setbuf(fileout, NULL); // unbuffered
}
if (fileout)
{
static bool fStartedNewLine = true;
// Debug print useful for profiling
if (fLogTimestamps && fStartedNewLine)
fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
if (pszFormat[strlen(pszFormat) - 1] == '\n')
fStartedNewLine = true;
else
fStartedNewLine = false;
va_list arg_ptr;
va_start(arg_ptr, pszFormat);
ret = vfprintf(fileout, pszFormat, arg_ptr);
va_end(arg_ptr);
}
}
#ifdef __WXMSW__
if (fPrintToDebugger)
{
static CCriticalSection cs_OutputDebugStringF;
// accumulate a line at a time
CRITICAL_BLOCK(cs_OutputDebugStringF)
{
static char pszBuffer[50000];
static char* pend;
if (pend == NULL)
pend = pszBuffer;
va_list arg_ptr;
va_start(arg_ptr, pszFormat);
int limit = END(pszBuffer) - pend - 2;
int ret = _vsnprintf(pend, limit, pszFormat, arg_ptr);
va_end(arg_ptr);
if (ret < 0 || ret >= limit)
{
pend = END(pszBuffer) - 2;
*pend++ = '\n';
}
else
pend += ret;
*pend = '\0';
char* p1 = pszBuffer;
char* p2;
while (p2 = strchr(p1, '\n'))
{
p2++;
char c = *p2;
*p2 = '\0';
OutputDebugStringA(p1);
*p2 = c;
p1 = p2;
}
if (p1 != pszBuffer)
memmove(pszBuffer, p1, pend - p1 + 1);
pend -= (p1 - pszBuffer);
}
}
#endif
return ret;
}
// Safer snprintf
// - prints up to limit-1 characters
// - output string is always null terminated even if limit reached
// - return value is the number of characters actually printed
int my_snprintf(char* buffer, size_t limit, const char* format, ...)
{
if (limit == 0)
return 0;
va_list arg_ptr;
va_start(arg_ptr, format);
int ret = _vsnprintf(buffer, limit, format, arg_ptr);
va_end(arg_ptr);
if (ret < 0 || ret >= limit)
{
ret = limit - 1;
buffer[limit-1] = 0;
}
return ret;
}
string strprintf(const char* format, ...)
{
char buffer[50000];
char* p = buffer;
int limit = sizeof(buffer);
int ret;
loop
{
va_list arg_ptr;
va_start(arg_ptr, format);
ret = _vsnprintf(p, limit, format, arg_ptr);
va_end(arg_ptr);
if (ret >= 0 && ret < limit)
break;
if (p != buffer)
delete[] p;
limit *= 2;
p = new char[limit];
if (p == NULL)
throw std::bad_alloc();
}
string str(p, p+ret);
if (p != buffer)
delete[] p;
return str;
}
bool error(const char* format, ...)
{
char buffer[50000];
int limit = sizeof(buffer);
va_list arg_ptr;
va_start(arg_ptr, format);
int ret = _vsnprintf(buffer, limit, format, arg_ptr);
va_end(arg_ptr);
if (ret < 0 || ret >= limit)
{
ret = limit - 1;
buffer[limit-1] = 0;
}
printf("ERROR: %s\n", buffer);
return false;
}
void ParseString(const string& str, char c, vector<string>& v)
{
if (str.empty())
return;
string::size_type i1 = 0;
string::size_type i2;
loop
{
i2 = str.find(c, i1);
if (i2 == str.npos)
{
v.push_back(str.substr(i1));
return;
}
v.push_back(str.substr(i1, i2-i1));
i1 = i2+1;
}
}
string FormatMoney(int64 n, bool fPlus)
{
// Note: not using straight sprintf here because we do NOT want
// localized number formatting.
int64 n_abs = (n > 0 ? n : -n);
int64 quotient = n_abs/COIN;
int64 remainder = n_abs%COIN;
string str = strprintf("%"PRI64d".%08"PRI64d, quotient, remainder);
// Right-trim excess 0's before the decimal point:
int nTrim = 0;
for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
++nTrim;
if (nTrim)
str.erase(str.size()-nTrim, nTrim);
// Insert thousands-separators:
size_t point = str.find(".");
for (int i = (str.size()-point)+3; i < str.size(); i += 4)
if (isdigit(str[str.size() - i - 1]))
str.insert(str.size() - i, 1, ',');
if (n < 0)
str.insert((unsigned int)0, 1, '-');
else if (fPlus && n > 0)
str.insert((unsigned int)0, 1, '+');
return str;
}
bool ParseMoney(const string& str, int64& nRet)
{
return ParseMoney(str.c_str(), nRet);
}
bool ParseMoney(const char* pszIn, int64& nRet)
{
string strWhole;
int64 nUnits = 0;
const char* p = pszIn;
while (isspace(*p))
p++;
for (; *p; p++)
{
if (*p == ',' && p > pszIn && isdigit(p[-1]) && isdigit(p[1]) && isdigit(p[2]) && isdigit(p[3]) && !isdigit(p[4]))
continue;
if (*p == '.')
{
p++;
int64 nMult = CENT*10;
while (isdigit(*p) && (nMult > 0))
{
nUnits += nMult * (*p++ - '0');
nMult /= 10;
}
break;
}
if (isspace(*p))
break;
if (!isdigit(*p))
return false;
strWhole.insert(strWhole.end(), *p);
}
for (; *p; p++)
if (!isspace(*p))
return false;
if (strWhole.size() > 14)
return false;
if (nUnits < 0 || nUnits > COIN)
return false;
int64 nWhole = atoi64(strWhole);
int64 nValue = nWhole*COIN + nUnits;
nRet = nValue;
return true;
}
vector<unsigned char> ParseHex(const char* psz)
{
static char phexdigit[256] =
{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
-1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
// convert hex dump to vector
vector<unsigned char> vch;
loop
{
while (isspace(*psz))
psz++;
char c = phexdigit[(unsigned char)*psz++];
if (c == (char)-1)
break;
unsigned char n = (c << 4);
c = phexdigit[(unsigned char)*psz++];
if (c == (char)-1)
break;
n |= c;
vch.push_back(n);
}
return vch;
}
vector<unsigned char> ParseHex(const string& str)
{
return ParseHex(str.c_str());
}
void ParseParameters(int argc, char* argv[])
{
mapArgs.clear();
mapMultiArgs.clear();
for (int i = 1; i < argc; i++)
{
char psz[10000];
strlcpy(psz, argv[i], sizeof(psz));
char* pszValue = (char*)"";
if (strchr(psz, '='))
{
pszValue = strchr(psz, '=');
*pszValue++ = '\0';
}
#ifdef __WXMSW__
_strlwr(psz);
if (psz[0] == '/')
psz[0] = '-';
#endif
if (psz[0] != '-')
break;
mapArgs[psz] = pszValue;
mapMultiArgs[psz].push_back(pszValue);
}
}
const char* wxGetTranslation(const char* pszEnglish)
{
#ifdef GUI
// Wrapper of wxGetTranslation returning the same const char* type as was passed in
static CCriticalSection cs;
CRITICAL_BLOCK(cs)
{
// Look in cache
static map<string, char*> mapCache;
map<string, char*>::iterator mi = mapCache.find(pszEnglish);
if (mi != mapCache.end())
return (*mi).second;
// wxWidgets translation
wxString strTranslated = wxGetTranslation(wxString(pszEnglish, wxConvUTF8));
// We don't cache unknown strings because caller might be passing in a
// dynamic string and we would keep allocating memory for each variation.
if (strcmp(pszEnglish, strTranslated.utf8_str()) == 0)
return pszEnglish;
// Add to cache, memory doesn't need to be freed. We only cache because
// we must pass back a pointer to permanently allocated memory.
char* pszCached = new char[strlen(strTranslated.utf8_str())+1];
strcpy(pszCached, strTranslated.utf8_str());
mapCache[pszEnglish] = pszCached;
return pszCached;
}
return NULL;
#else
return pszEnglish;
#endif
}
bool WildcardMatch(const char* psz, const char* mask)
{
loop
{
switch (*mask)
{
case '\0':
return (*psz == '\0');
case '*':
return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
case '?':
if (*psz == '\0')
return false;
break;
default:
if (*psz != *mask)
return false;
break;
}
psz++;
mask++;
}
}
bool WildcardMatch(const string& str, const string& mask)
{
return WildcardMatch(str.c_str(), mask.c_str());
}
void FormatException(char* pszMessage, std::exception* pex, const char* pszThread)
{
#ifdef __WXMSW__
char pszModule[MAX_PATH];
pszModule[0] = '\0';
GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
#else
const char* pszModule = "bitcoin";
#endif
if (pex)
snprintf(pszMessage, 1000,
"EXCEPTION: %s \n%s \n%s in %s \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
else
snprintf(pszMessage, 1000,
"UNKNOWN EXCEPTION \n%s in %s \n", pszModule, pszThread);
}
void LogException(std::exception* pex, const char* pszThread)
{
char pszMessage[10000];
FormatException(pszMessage, pex, pszThread);
printf("\n%s", pszMessage);
}
void PrintException(std::exception* pex, const char* pszThread)
{
char pszMessage[10000];
FormatException(pszMessage, pex, pszThread);
printf("\n\n************************\n%s\n", pszMessage);
fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
strMiscWarning = pszMessage;
#ifdef GUI
if (wxTheApp && !fDaemon)
MyMessageBox(pszMessage, "Bitcoin", wxOK | wxICON_ERROR);
#endif
throw;
}
void ThreadOneMessageBox(string strMessage)
{
// Skip message boxes if one is already open
static bool fMessageBoxOpen;
if (fMessageBoxOpen)
return;
fMessageBoxOpen = true;
ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION);
fMessageBoxOpen = false;
}
void PrintExceptionContinue(std::exception* pex, const char* pszThread)
{
char pszMessage[10000];
FormatException(pszMessage, pex, pszThread);
printf("\n\n************************\n%s\n", pszMessage);
fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
strMiscWarning = pszMessage;
#ifdef GUI
if (wxTheApp && !fDaemon)
boost::thread(boost::bind(ThreadOneMessageBox, string(pszMessage)));
#endif
}
#ifdef __WXMSW__
typedef WINSHELLAPI BOOL (WINAPI *PSHGETSPECIALFOLDERPATHA)(HWND hwndOwner, LPSTR lpszPath, int nFolder, BOOL fCreate);
string MyGetSpecialFolderPath(int nFolder, bool fCreate)
{
char pszPath[MAX_PATH+100] = "";
// SHGetSpecialFolderPath isn't always available on old Windows versions
HMODULE hShell32 = LoadLibraryA("shell32.dll");
if (hShell32)
{
PSHGETSPECIALFOLDERPATHA pSHGetSpecialFolderPath =
(PSHGETSPECIALFOLDERPATHA)GetProcAddress(hShell32, "SHGetSpecialFolderPathA");
if (pSHGetSpecialFolderPath)
(*pSHGetSpecialFolderPath)(NULL, pszPath, nFolder, fCreate);
FreeModule(hShell32);
}
// Backup option
if (pszPath[0] == '\0')
{
if (nFolder == CSIDL_STARTUP)
{
strcpy(pszPath, getenv("USERPROFILE"));
strcat(pszPath, "\\Start Menu\\Programs\\Startup");
}
else if (nFolder == CSIDL_APPDATA)
{
strcpy(pszPath, getenv("APPDATA"));
}
}
return pszPath;
}
#endif
string GetDefaultDataDir()
{
// Windows: C:\Documents and Settings\username\Application Data\Bitcoin
// Mac: ~/Library/Application Support/Bitcoin
// Unix: ~/.bitcoin
#ifdef __WXMSW__
// Windows
return MyGetSpecialFolderPath(CSIDL_APPDATA, true) + "\\Bitcoin";
#else
char* pszHome = getenv("HOME");
if (pszHome == NULL || strlen(pszHome) == 0)
pszHome = (char*)"/";
string strHome = pszHome;
if (strHome[strHome.size()-1] != '/')
strHome += '/';
#ifdef __WXMAC_OSX__
// Mac
strHome += "Library/Application Support/";
filesystem::create_directory(strHome.c_str());
return strHome + "Bitcoin";
#else
// Unix
return strHome + ".bitcoin";
#endif
#endif
}
void GetDataDir(char* pszDir)
{
// pszDir must be at least MAX_PATH length.
int nVariation;
if (pszSetDataDir[0] != 0)
{
strlcpy(pszDir, pszSetDataDir, MAX_PATH);
nVariation = 0;
}
else
{
// This can be called during exceptions by printf, so we cache the
// value so we don't have to do memory allocations after that.
static char pszCachedDir[MAX_PATH];
if (pszCachedDir[0] == 0)
strlcpy(pszCachedDir, GetDefaultDataDir().c_str(), sizeof(pszCachedDir));
strlcpy(pszDir, pszCachedDir, MAX_PATH);
nVariation = 1;
}
if (fTestNet)
{
char* p = pszDir + strlen(pszDir);
if (p > pszDir && p[-1] != '/' && p[-1] != '\\')
*p++ = '/';
strcpy(p, "testnet");
nVariation += 2;
}
static bool pfMkdir[4];
if (!pfMkdir[nVariation])
{
pfMkdir[nVariation] = true;
boost::filesystem::create_directory(pszDir);
}
}
string GetDataDir()
{
char pszDir[MAX_PATH];
GetDataDir(pszDir);
return pszDir;
}
string GetConfigFile()
{
namespace fs = boost::filesystem;
fs::path pathConfig(GetArg("-conf", "bitcoin.conf"));
if (!pathConfig.is_complete())
pathConfig = fs::path(GetDataDir()) / pathConfig;
return pathConfig.string();
}
void ReadConfigFile(map<string, string>& mapSettingsRet,
map<string, vector<string> >& mapMultiSettingsRet)
{
namespace fs = boost::filesystem;
namespace pod = boost::program_options::detail;
fs::ifstream streamConfig(GetConfigFile());
if (!streamConfig.good())
return;
set<string> setOptions;
setOptions.insert("*");
for (pod::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
{
// Don't overwrite existing settings so command line settings override bitcoin.conf
string strKey = string("-") + it->string_key;
if (mapSettingsRet.count(strKey) == 0)
mapSettingsRet[strKey] = it->value[0];
mapMultiSettingsRet[strKey].push_back(it->value[0]);
}
}
string GetPidFile()
{
namespace fs = boost::filesystem;
fs::path pathConfig(GetArg("-pid", "bitcoind.pid"));
if (!pathConfig.is_complete())
pathConfig = fs::path(GetDataDir()) / pathConfig;
return pathConfig.string();
}
void CreatePidFile(string pidFile, pid_t pid)
{
FILE* file;
if (file = fopen(pidFile.c_str(), "w"))
{
fprintf(file, "%d\n", pid);
fclose(file);
}
}
int GetFilesize(FILE* file)
{
int nSavePos = ftell(file);
int nFilesize = -1;
if (fseek(file, 0, SEEK_END) == 0)
nFilesize = ftell(file);
fseek(file, nSavePos, SEEK_SET);
return nFilesize;
}
void ShrinkDebugFile()
{
// Scroll debug.log if it's getting too big
string strFile = GetDataDir() + "/debug.log";
FILE* file = fopen(strFile.c_str(), "r");
if (file && GetFilesize(file) > 10 * 1000000)
{
// Restart the file with some of the end
char pch[200000];
fseek(file, -sizeof(pch), SEEK_END);
int nBytes = fread(pch, 1, sizeof(pch), file);
fclose(file);
if (file = fopen(strFile.c_str(), "w"))
{
fwrite(pch, 1, nBytes, file);
fclose(file);
}
}
}
//
// "Never go to sea with two chronometers; take one or three."
// Our three time sources are:
// - System clock
// - Median of other nodes's clocks
// - The user (asking the user to fix the system clock if the first two disagree)
//
int64 GetTime()
{
return time(NULL);
}
static int64 nTimeOffset = 0;
int64 GetAdjustedTime()
{
return GetTime() + nTimeOffset;
}
void AddTimeData(unsigned int ip, int64 nTime)
{
int64 nOffsetSample = nTime - GetTime();
// Ignore duplicates
static set<unsigned int> setKnown;
if (!setKnown.insert(ip).second)
return;
// Add data
static vector<int64> vTimeOffsets;
if (vTimeOffsets.empty())
vTimeOffsets.push_back(0);
vTimeOffsets.push_back(nOffsetSample);
printf("Added time data, samples %d, offset %+"PRI64d" (%+"PRI64d" minutes)\n", vTimeOffsets.size(), vTimeOffsets.back(), vTimeOffsets.back()/60);
if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
{
sort(vTimeOffsets.begin(), vTimeOffsets.end());
int64 nMedian = vTimeOffsets[vTimeOffsets.size()/2];
// Only let other nodes change our time by so much
if (abs64(nMedian) < 70 * 60)
{
nTimeOffset = nMedian;
}
else
{
nTimeOffset = 0;
static bool fDone;
if (!fDone)
{
// If nobody has a time different than ours but within 5 minutes of ours, give a warning
bool fMatch = false;
BOOST_FOREACH(int64 nOffset, vTimeOffsets)
if (nOffset != 0 && abs64(nOffset) < 5 * 60)
fMatch = true;
if (!fMatch)
{
fDone = true;
string strMessage = _("Warning: Please check that your computer's date and time are correct. If your clock is wrong Bitcoin will not work properly.");
strMiscWarning = strMessage;
printf("*** %s\n", strMessage.c_str());
boost::thread(boost::bind(ThreadSafeMessageBox, strMessage+" ", string("Bitcoin"), wxOK | wxICON_EXCLAMATION, (wxWindow*)NULL, -1, -1));
}
}
}
BOOST_FOREACH(int64 n, vTimeOffsets)
printf("%+"PRI64d" ", n);
printf("| nTimeOffset = %+"PRI64d" (%+"PRI64d" minutes)\n", nTimeOffset, nTimeOffset/60);
}
}
string FormatVersion(int nVersion)
{
if (nVersion%100 == 0)
return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
else
return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
}
string FormatFullVersion()
{
string s = FormatVersion(VERSION) + pszSubVer;
if (VERSION_IS_BETA) {
s += "-";
s += _("beta");
}
return s;
}

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