r1

2022-02-03 23:45:47 -08:00
parent 42c2062cc4
commit 184ece190c
1438 changed files with 404064 additions and 0 deletions
@@ -0,0 +1,49 @@
+// Copyright (c) 2012-2013 The PPCoin developers
+// Copyright (c) 2015-2019 The PIVX developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_KERNEL_H
+#define BITCOIN_KERNEL_H
+
+#include "main.h"
+#include "stakeinput.h"
+
+
+// MODIFIER_INTERVAL: time to elapse before new modifier is computed
+static const unsigned int MODIFIER_INTERVAL = 60;
+static const unsigned int MODIFIER_INTERVAL_TESTNET = 60;
+extern unsigned int nModifierInterval;
+extern unsigned int getIntervalVersion(bool fTestNet);
+
+// MODIFIER_INTERVAL_RATIO:
+// ratio of group interval length between the last group and the first group
+static const int MODIFIER_INTERVAL_RATIO = 3;
+
+// Compute the hash modifier for proof-of-stake
+bool GetKernelStakeModifier(uint256 hashBlockFrom, uint64_t& nStakeModifier, int& nStakeModifierHeight, int64_t& nStakeModifierTime, bool fPrintProofOfStake);
+bool ComputeNextStakeModifier(const CBlockIndex* pindexPrev, uint64_t& nStakeModifier, bool& fGeneratedStakeModifier);
+
+bool CheckStake(const CDataStream& ssUniqueID, CAmount nValueIn, const uint64_t nStakeModifier, const uint256& bnTarget, unsigned int nTimeBlockFrom, unsigned int& nTimeTx, uint256& hashProofOfStake);
+bool stakeTargetHit(const uint256& hashProofOfStake, const int64_t& nValueIn, const uint256& bnTargetPerCoinDay);
+bool Stake(CStakeInput* stakeInput, unsigned int nBits, unsigned int nTimeBlockFrom, unsigned int& nTimeTx, uint256& hashProofOfStake);
+
+// Check kernel hash target and coinstake signature
+// Sets hashProofOfStake on success return
+bool CheckProofOfStake(const CBlock block, uint256& hashProofOfStake, std::unique_ptr<CStakeInput>& stake, int nPreviousBlockHeight);
+
+// Check whether the coinstake timestamp meets protocol
+bool CheckCoinStakeTimestamp(int64_t nTimeBlock, int64_t nTimeTx);
+
+// Get stake modifier checksum
+unsigned int GetStakeModifierChecksum(const CBlockIndex* pindex);
+
+// Check stake modifier hard checkpoints
+bool CheckStakeModifierCheckpoints(int nHeight, unsigned int nStakeModifierChecksum);
+
+// Get time weight using supplied timestamps
+int64_t GetWeight(int64_t nIntervalBeginning, int64_t nIntervalEnd);
+
+bool ContextualCheckZerocoinStake(int nPreviousBlockHeight, CStakeInput* stake);
+
+#endif // BITCOIN_KERNEL_H