#ifndef PPCOIN_KERNEL_H
#define PPCOIN_KERNEL_H
-#include "main.h"
+class CBlock;
+class CBlockIndex;
+class CTransaction;
+class COutPoint;
+class uint256;
extern unsigned int nStakeMaxAge;
+extern unsigned int nStakeMinAge;
// ChainDB upgrade time
extern unsigned int nModifierUpgradeTime;