map<uint256, CBlockIndex*> mapBlockIndex;
set<pair<COutPoint, unsigned int> > setStakeSeen;
-uint256 hashGenesisBlock("0x000000007c82d1f0aa2896b01bf533a8cc26a1f44790be4ceb4ecde7bee24add");
+uint256 hashGenesisBlock = hashGenesisBlockOfficial;
static CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
const int nInitialBlockThreshold = 120; // Regard blocks up until N-threshold as "initial download"
CBlockIndex* pindexGenesisBlock = NULL;
CBlock block;
if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
return false; // unable to read block of previous transaction
- if (block.GetBlockTime() + AUTO_CHECKPOINT_TRUST_SPAN > nTime)
- return false; // only count coins from at least one week ago
+ if (block.GetBlockTime() + STAKE_MIN_AGE > nTime)
+ return false; // only count coins meeting min age requirement
int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
CBigNum bnCoinDay = CBigNum(nValueIn) * (nTime-txPrev.nTime) / COIN / (24 * 60 * 60);
}
// ppcoin: total coin age spent in transaction, in the unit of coin-days.
-// Only those coins last spent at least a week ago count. As those
+// Only those coins meeting minimum age requirement counts. As those
// transactions not in main chain are not currently indexed so we
// might not find out about their coin age. Older transactions are
-// guaranteed to be in main chain by auto checkpoint. This rule is
+// guaranteed to be in main chain by sync-checkpoint. This rule is
// introduced to help nodes establish a consistent view of the coin
// age (trust score) of competing branches.
bool CTransaction::GetCoinAge(CTxDB& txdb, uint64& nCoinAge) const
CBlock block;
if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
return false; // unable to read block of previous transaction
- if (block.GetBlockTime() + AUTO_CHECKPOINT_TRUST_SPAN > nTime)
- continue; // only count coins from at least one week ago
+ if (block.GetBlockTime() + STAKE_MIN_AGE > nTime)
+ continue; // only count coins meeting min age requirement
int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
bnCentSecond += CBigNum(nValueIn) * (nTime-txPrev.nTime) / CENT;
}
}
+ // ppcoin: ask for pending sync-checkpoint if any
+ if (!IsInitialBlockDownload())
+ Checkpoints::AskForPendingSyncCheckpoint(pfrom);
// If don't already have its previous block, shunt it off to holding area until we get it
if (!mapBlockIndex.count(pblock->hashPrevBlock))
{
if (fTestNet)
{
- hashGenesisBlock = uint256("0x00000007199508e34a9ff81e6ec0c477a4cccff2a4767a8eee39c11db367b008");
+ hashGenesisBlock = hashGenesisBlockTestNet;
bnProofOfWorkLimit = CBigNum(~uint256(0) >> 28);
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
printf("version message: version %d, blocks=%d\n", pfrom->nVersion, pfrom->nStartingHeight);
cPeerBlockCounts.input(pfrom->nStartingHeight);
+
+ // ppcoin: ask for pending sync-checkpoint if any
+ if (!IsInitialBlockDownload())
+ Checkpoints::AskForPendingSyncCheckpoint(pfrom);
}