#ifndef PPCOIN_KERNEL_H
#define PPCOIN_KERNEL_H
-#include "main.h"
-#include "wallet.h"
+#include <algorithm>
+
+#include "uint256.h"
+
+class CBlock;
+class CBlockIndex;
+class CTransaction;
+class COutPoint;
+
+extern uint32_t nStakeMinAge;
+extern uint32_t nStakeMaxAge;
// ChainDB upgrade time
extern uint32_t nModifierUpgradeTime;