Update scrypt.h

Author: vashshawn

src/scrypt.h

@@ -3,13 +3,15 @@
 
 #include <stdint.h>
 #include <stdlib.h>
-
+#include "uint256.h"
 #include "util.h"
 #include "net.h"
 
+#define SCRYPT_BUFFER_SIZE (131072 + 63)
+
 uint256 scrypt_salted_multiround_hash(const void* input, size_t inputlen, const void* salt, size_t saltlen, const unsigned int nRounds);
 uint256 scrypt_salted_hash(const void* input, size_t inputlen, const void* salt, size_t saltlen);
 uint256 scrypt_hash(const void* input, size_t inputlen);
-uint256 scrypt_blockhash(const void* input);
+uint256 scrypt_blockhash(const uint8_t* input);
 
 #endif // SCRYPT_MINE_H