#include "alert.h"
#include "checkpoints.h"
#include "db.h"
-#include "txdb.h"
+#include "txdb-leveldb.h"
#include "init.h"
-#include "ui_interface.h"
+#include "interface.h"
#include "checkqueue.h"
#include "kernel.h"
#include <boost/algorithm/string/replace.hpp>
return nSigOps;
}
-
int CMerkleTx::SetMerkleBranch(const CBlock* pblock)
{
if (fClient)
else
{
CBlock blockTmp;
+
if (pblock == NULL)
{
// Load the block this tx is in
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock);
if (mi == mapBlockIndex.end())
return 0;
- CBlockIndex* pindex = (*mi).second;
+ const 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 (tx.nTime >= CHECKLOCKTIMEVERIFY_SWITCH_TIME) {
nFlags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY;
- // OP_CHECKSEQUENCEVERIFY is senseless without BIP68, so we're going disable it for now.
- // nFlags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY;
+ }
+
+ if (tx.nTime >= CHECKSEQUENCEVERIFY_SWITCH_TIME) {
+ nFlags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY;
}
std::vector<CScriptCheck> vChecks;
}
// Connect further blocks
- BOOST_REVERSE_FOREACH(CBlockIndex *pindex, vpindexSecondary)
+ for (std::vector<CBlockIndex*>::reverse_iterator rit = vpindexSecondary.rbegin(); rit != vpindexSecondary.rend(); ++rit)
{
CBlock block;
- if (!block.ReadFromDisk(pindex))
+ if (!block.ReadFromDisk(*rit))
{
printf("SetBestChain() : ReadFromDisk failed\n");
break;
break;
}
// errors now are not fatal, we still did a reorganisation to a new chain in a valid way
- if (!block.SetBestChainInner(txdb, pindex))
+ if (!block.SetBestChainInner(txdb, *rit))
break;
}
}
if (!pblock->CheckBlock(true, true, (pblock->nTime > Checkpoints::GetLastCheckpointTime())))
return error("ProcessBlock() : CheckBlock FAILED");
- // ppcoin: verify hash target and signature of coinstake tx
- if (pblock->IsProofOfStake())
- {
- uint256 hashProofOfStake = 0, targetProofOfStake = 0;
- if (!CheckProofOfStake(pblock->vtx[1], pblock->nBits, hashProofOfStake, targetProofOfStake))
- {
- printf("WARNING: ProcessBlock(): check proof-of-stake failed for block %s\n", hash.ToString().c_str());
- return false; // do not error here as we expect this during initial block download
- }
- if (!mapProofOfStake.count(hash)) // add to mapProofOfStake
- mapProofOfStake.insert(make_pair(hash, hashProofOfStake));
- }
-
CBlockIndex* pcheckpoint = Checkpoints::GetLastSyncCheckpoint();
if (pcheckpoint && pblock->hashPrevBlock != hashBestChain && !Checkpoints::WantedByPendingSyncCheckpoint(hash))
{
}
}
+
// ppcoin: ask for pending sync-checkpoint if any
if (!IsInitialBlockDownload())
Checkpoints::AskForPendingSyncCheckpoint(pfrom);
return true;
}
+ // ppcoin: verify hash target and signature of coinstake tx
+ if (pblock->IsProofOfStake())
+ {
+ uint256 hashProofOfStake = 0, targetProofOfStake = 0;
+ if (!CheckProofOfStake(pblock->vtx[1], pblock->nBits, hashProofOfStake, targetProofOfStake))
+ {
+ // Having prev block in index should be enough for validation
+ if (mapBlockIndex.count(pblock->hashPrevBlock))
+ return error("ProcessBlock(): check proof-of-stake (%s, %d) failed for block %s\n", pblock->GetProofOfStake().first.ToString().c_str(), pblock->GetProofOfStake().second, hash.ToString().c_str());
+
+ // Orphan blocks should be validated later once all parents successfully added to local chain
+ printf("ProcessBlock(): delaying proof-of-stake validation for orphan block %s\n", hash.ToString().c_str());
+ return false; // do not error here as we expect this to happen here
+ }
+
+ // Needed for AcceptBlock()
+ if (!mapProofOfStake.count(hash))
+ mapProofOfStake.insert(make_pair(hash, hashProofOfStake));
+ }
+
// Store to disk
if (!pblock->AcceptBlock())
return error("ProcessBlock() : AcceptBlock FAILED");
- // Recursively process any orphan blocks that depended on this one
+ // Process any orphan blocks that depended on this one
vector<uint256> vWorkQueue;
vWorkQueue.push_back(hash);
for (unsigned int i = 0; i < vWorkQueue.size(); i++)
++mi)
{
CBlock* pblockOrphan = (*mi).second;
- if (pblockOrphan->AcceptBlock())
- vWorkQueue.push_back(pblockOrphan->GetHash());
- mapOrphanBlocks.erase(pblockOrphan->GetHash());
- setStakeSeenOrphan.erase(pblockOrphan->GetProofOfStake());
+ uint256 hashOrphanBlock = pblockOrphan->GetHash();
+
+ if (pblockOrphan->IsProofOfStake()) {
+ // Check proof-of-stake and do other contextual
+ // preparations before running AcceptBlock()
+ uint256 hashOrphanProofOfStake = 0;
+ uint256 targetOrphanProofOfStake = 0;
+
+ if (CheckProofOfStake(pblockOrphan->vtx[1], pblockOrphan->nBits, hashOrphanProofOfStake, targetOrphanProofOfStake))
+ {
+ // Needed for AcceptBlock()
+ if (!mapProofOfStake.count(hashOrphanBlock))
+ mapProofOfStake.insert(make_pair(hashOrphanBlock, hashOrphanProofOfStake));
+
+ // Finally, we're ready to run AcceptBlock()
+ if (pblockOrphan->AcceptBlock())
+ vWorkQueue.push_back(hashOrphanBlock);
+ setStakeSeenOrphan.erase(pblockOrphan->GetProofOfStake());
+ }
+ } else {
+ // proof-of-work verification
+ // is notoriously simpler
+ if (pblockOrphan->AcceptBlock())
+ vWorkQueue.push_back(hashOrphanBlock);
+ }
+
+ mapOrphanBlocks.erase(hashOrphanBlock);
delete pblockOrphan;
}
+
mapOrphanBlocksByPrev.erase(hashPrev);
}
bool CheckDiskSpace(uint64_t nAdditionalBytes)
{
- uint64_t nFreeBytesAvailable = filesystem::space(GetDataDir()).available;
+ uint64_t nFreeBytesAvailable = boost::filesystem::space(GetDataDir()).available;
// Check for nMinDiskSpace bytes (currently 50MB)
if (nFreeBytesAvailable < nMinDiskSpace + nAdditionalBytes)
return true;
}
-static filesystem::path BlockFilePath(unsigned int nFile)
+static boost::filesystem::path BlockFilePath(unsigned int nFile)
{
string strBlockFn = strprintf("blk%04u.dat", nFile);
return GetDataDir() / strBlockFn;
// CTxOut(empty)
// vMerkleTree: 4cb33b3b6a
- const char* pszTimestamp = "https://bitcointalk.org/index.php?topic=134179.msg1502196#msg1502196";
+ const string strTimestamp = "https://bitcointalk.org/index.php?topic=134179.msg1502196#msg1502196";
CTransaction txNew;
txNew.nTime = 1360105017;
txNew.vin.resize(1);
txNew.vout.resize(1);
- txNew.vin[0].scriptSig = CScript() << 486604799 << CBigNum(9999) << vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
+ txNew.vin[0].scriptSig = CScript() << 486604799 << CBigNum(9999) << vector<unsigned char>(strTimestamp.begin(), strTimestamp.end());
txNew.vout[0].SetEmpty();
CBlock block;
block.vtx.push_back(txNew);
if (!txdb.WriteModifierUpgradeTime(nModifierUpgradeTime))
return error("LoadBlockIndex() : failed to write upgrade info");
}
-
-#ifndef USE_LEVELDB
- txdb.Close();
-#endif
}
return true;
if (!hdr.IsValid())
{
printf("\n\nPROCESSMESSAGE: ERRORS IN HEADER %s\n\n\n", hdr.GetCommand().c_str());
- continue;
+ return false;
}
string strCommand = hdr.GetCommand();
{
printf("ProcessMessages(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
- continue;
+ return false;
}
// Copy message to its own buffer
PrintExceptionContinue(NULL, "ProcessMessages()");
}
- if (!fRet)
+ if (!fRet) {
printf("ProcessMessage(%s, %u bytes) FAILED\n", strCommand.c_str(), nMessageSize);
+ return false;
+ }
}
vRecv.Compact();
git://git.novaco.in / novacoin.git / blobdiff