// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_UINT256_H
#define BITCOIN_UINT256_H

#include <assert.h>
//#include <cstring>
//#include <stdexcept>
#include <stdint.h>
#include <string.h>
//#include <vector>
#include <stdbool.h>



/** 256-bit opaque blob.
 * @note This type is called uint256 for historical reasons only. It is an
 * opaque blob of 256 bits and has no integer operations. Use arith_uint256 if
 * those are required.
 */
#define UPPER_P(x) x->elements[0]
#define LOWER_P(x) x->elements[1]
#define UPPER(x) x.elements[0]
#define LOWER(x) x.elements[1]
#define WIDTH	32

typedef struct class_base_blob base_blob_t;
struct class_base_blob{
    uint8_t data[WIDTH];
};


typedef struct uint128_t { uint64_t elements[2]; } uint128_t;
typedef struct uint256_t { 
	uint128_t elements[2]; 
	base_blob_t bb;
} uint256;



#endif // BITCOIN_UINT256_H
