// NovaCoin: get current stake weight
bool CWallet::GetStakeWeight(const CKeyStore& keystore, uint64& nMinWeight, uint64& nMaxWeight, uint64& nWeight)
{
- // Choose coins to use
- int64 nBalance = GetBalance();
- int64 nReserveBalance = 0;
-
- if (mapArgs.count("-reservebalance") && !ParseMoney(mapArgs["-reservebalance"], nReserveBalance))
- {
- error("GetStakeWeight : invalid reserve balance amount");
- return false;
- }
-
- if (nBalance <= nReserveBalance)
+ if (mapMeta.size() == 0 || !fCoinsDataActual)
return false;
- vector<const CWalletTx*> vwtxPrev;
-
- static set<pair<const CWalletTx*,unsigned int> > setCoins;
- static uint256 hashPrevBlock;
-
- // Cache outputs unless best block or wallet transaction set changed
- if (!fCoinsDataActual || setCoins.size() == 0)
+ // txid => ((txindex, (tx, vout.n)), (block, modifier))
+ for(MetaMap::const_iterator meta_item = mapMeta.begin(); meta_item != mapMeta.end(); meta_item++)
{
- int64 nValueIn = 0;
- if (!SelectCoinsSimple(nBalance - nReserveBalance, GetAdjustedTime(), nCoinbaseMaturity * 10, setCoins, nValueIn))
- return false;
+ // Get coin
+ CoinsSet::value_type pcoin = meta_item->second.first.second;
- if (setCoins.empty())
- return false;
-
- fCoinsDataActual = true;
- }
-
- CTxDB txdb("r");
- BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
- {
int64 nTimeWeight = GetWeight((int64)pcoin.first->nTime, (int64)GetTime());
CBigNum bnCoinDayWeight = CBigNum(pcoin.first->vout[pcoin.second].nValue) * nTimeWeight / COIN / (24 * 60 * 60);
vector<const CWalletTx*> vwtxPrev;
- static CoinsSet setCoins;
- static MetaMap mapMeta;
-
CTxDB txdb("r");
{
LOCK2(cs_main, cs_wallet);
// Cache outputs unless best block or wallet transaction set changed
- if (!fCoinsDataActual || setCoins.size() == 0)
+ if (!fCoinsDataActual)
{
- setCoins.clear();
mapMeta.clear();
-
int64 nValueIn = 0;
+ CoinsSet setCoins;
if (!SelectCoinsSimple(nBalance - nReserveBalance, txNew.nTime, nCoinbaseMaturity * 10, setCoins, nValueIn))
return false;
continue;
uint64 nStakeModifier = 0;
-
if (!GetKernelStakeModifier(block.GetHash(), nStakeModifier))
- return false;
+ continue;
// Add meta record
- mapMeta[pcoin->first->GetHash()] = make_pair(txindex, make_pair(block, nStakeModifier));
+ // txid => ((txindex, (tx, vout.n)), (block, modifier))
+ mapMeta[pcoin->first->GetHash()] = make_pair(make_pair(txindex, *pcoin), make_pair(block, nStakeModifier));
if (fDebug)
printf("Load coin: %s\n", pcoin->first->GetHash().GetHex().c_str());
settings.nBits = nBits;
settings.nTime = txNew.nTime;
settings.nOffset = 0;
- settings.nLimit = setCoins.size();
+ settings.nLimit = mapMeta.size();
settings.nSearchInterval = nSearchInterval;
unsigned int nTimeTx, nBlockTime;
COutPoint prevoutStake;
CoinsSet::value_type kernelcoin;
- if (ScanForStakeKernelHash(setCoins, mapMeta, settings, kernelcoin, nTimeTx, nBlockTime))
+ if (ScanForStakeKernelHash(mapMeta, settings, kernelcoin, nTimeTx, nBlockTime))
{
// Found a kernel
if (fDebug && GetBoolArg("-printcoinstake"))
if (nCredit == 0 || nCredit > nBalance - nReserveBalance)
return false;
- for(CoinsSet::const_iterator pcoin = setCoins.begin(); pcoin != setCoins.end(); pcoin++)
+ // txid => ((txindex, (tx, vout.n)), (block, modifier))
+ for(MetaMap::const_iterator meta_item = mapMeta.begin(); meta_item != mapMeta.end(); meta_item++)
{
+ // Get coin
+ CoinsSet::value_type pcoin = meta_item->second.first.second;
+
// Attempt to add more inputs
// Only add coins of the same key/address as kernel
- if (txNew.vout.size() == 2 && ((pcoin->first->vout[pcoin->second].scriptPubKey == scriptPubKeyKernel || pcoin->first->vout[pcoin->second].scriptPubKey == txNew.vout[1].scriptPubKey))
- && pcoin->first->GetHash() != txNew.vin[0].prevout.hash)
+ if (txNew.vout.size() == 2 && ((pcoin.first->vout[pcoin.second].scriptPubKey == scriptPubKeyKernel || pcoin.first->vout[pcoin.second].scriptPubKey == txNew.vout[1].scriptPubKey))
+ && pcoin.first->GetHash() != txNew.vin[0].prevout.hash)
{
- int64 nTimeWeight = GetWeight((int64)pcoin->first->nTime, (int64)txNew.nTime);
+ int64 nTimeWeight = GetWeight((int64)pcoin.first->nTime, (int64)txNew.nTime);
// Stop adding more inputs if already too many inputs
if (txNew.vin.size() >= 100)
if (nCredit > nCombineThreshold)
break;
// Stop adding inputs if reached reserve limit
- if (nCredit + pcoin->first->vout[pcoin->second].nValue > nBalance - nReserveBalance)
+ if (nCredit + pcoin.first->vout[pcoin.second].nValue > nBalance - nReserveBalance)
break;
// Do not add additional significant input
- if (pcoin->first->vout[pcoin->second].nValue > nCombineThreshold)
+ if (pcoin.first->vout[pcoin.second].nValue > nCombineThreshold)
continue;
// Do not add input that is still too young
if (nTimeWeight < nStakeMaxAge)
continue;
- txNew.vin.push_back(CTxIn(pcoin->first->GetHash(), pcoin->second));
- nCredit += pcoin->first->vout[pcoin->second].nValue;
- vwtxPrev.push_back(pcoin->first);
+ txNew.vin.push_back(CTxIn(pcoin.first->GetHash(), pcoin.second));
+ nCredit += pcoin.first->vout[pcoin.second].nValue;
+ vwtxPrev.push_back(pcoin.first);
}
}