X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fkernel.h;h=1b639a6bfa6a0d73128f88cedc629245ff312ea8;hb=056f3b1ef51d160dad763ed43cacc151735999de;hp=a9c8a2336ca38a2b85d1b45cc5e80055da5904b1;hpb=1ca032e9c756d7605db51cd6cfce418ab5113e81;p=novacoin.git

diff --git a/src/kernel.h b/src/kernel.h
index a9c8a23..1b639a6 100644
--- a/src/kernel.h
+++ b/src/kernel.h
@@ -5,6 +5,7 @@
 #define PPCOIN_KERNEL_H
 
 #include "main.h"
+#include "wallet.h"
 
 // ChainDB upgrade time
 extern unsigned int nModifierUpgradeTime;
@@ -12,6 +13,8 @@ extern unsigned int nModifierUpgradeTime;
 // MODIFIER_INTERVAL: time to elapse before new modifier is computed
 extern unsigned int nModifierInterval;
 
+extern bool fCoinsDataActual;
+
 // MODIFIER_INTERVAL_RATIO:
 // ratio of group interval length between the last group and the first group
 static const int MODIFIER_INTERVAL_RATIO = 3;
@@ -20,23 +23,30 @@ static const int MODIFIER_INTERVAL_RATIO = 3;
 bool IsFixedModifierInterval(unsigned int nTimeBlock);
 
 // Compute the hash modifier for proof-of-stake
-bool ComputeNextStakeModifier(const CBlockIndex* pindexCurrent, uint64& nStakeModifier, bool& fGeneratedStakeModifier);
+bool ComputeNextStakeModifier(const CBlockIndex* pindexCurrent, uint64_t& nStakeModifier, bool& fGeneratedStakeModifier);
+
+// The stake modifier used to hash for a stake kernel is chosen as the stake
+// modifier about a selection interval later than the coin generating the kernel
+bool GetKernelStakeModifier(uint256 hashBlockFrom, uint64_t& nStakeModifier);
 
 // Check whether stake kernel meets hash target
 // Sets hashProofOfStake on success return
-bool CheckStakeKernelHash(unsigned int nBits, const CBlock& blockFrom, unsigned int nTxPrevOffset, const CTransaction& txPrev, const COutPoint& prevout, unsigned int nTimeTx, uint256& hashProofOfStake, uint256& targetProofOfStake, bool fPrintProofOfStake=false);
+bool CheckStakeKernelHash(unsigned int nBits, const CBlock& blockFrom, uint32_t nTxPrevOffset, const CTransaction& txPrev, const COutPoint& prevout, uint32_t nTimeTx, uint256& hashProofOfStake, uint256& targetProofOfStake, bool fPrintProofOfStake=false);
+
+// Scan given coins set for kernel solution
+bool ScanForStakeKernelHash(MetaMap &mapMeta, uint32_t nBits, uint32_t nTime, uint32_t nSearchInterval, CoinsSet::value_type &kernelcoin, uint32_t &nTimeTx, uint32_t &nBlockTime, uint64_t &nKernelsTried, uint64_t &nCoinDaysTried);
 
 // Check kernel hash target and coinstake signature
 // Sets hashProofOfStake on success return
 bool CheckProofOfStake(const CTransaction& tx, unsigned int nBits, uint256& hashProofOfStake, uint256& targetProofOfStake);
 
 // Get stake modifier checksum
-unsigned int GetStakeModifierChecksum(const CBlockIndex* pindex);
+uint32_t GetStakeModifierChecksum(const CBlockIndex* pindex);
 
 // Check stake modifier hard checkpoints
-bool CheckStakeModifierCheckpoints(int nHeight, unsigned int nStakeModifierChecksum);
+bool CheckStakeModifierCheckpoints(int nHeight, uint32_t nStakeModifierChecksum);
 
 // Get time weight using supplied timestamps
-int64 GetWeight(int64 nIntervalBeginning, int64 nIntervalEnd);
+int64_t GetWeight(int64_t nIntervalBeginning, int64_t nIntervalEnd);
 
 #endif // PPCOIN_KERNEL_H