45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_UINT256_H
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#define BITCOIN_UINT256_H
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#include <assert.h>
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//#include <cstring>
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//#include <stdexcept>
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#include <stdint.h>
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#include <string.h>
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//#include <vector>
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#include <stdbool.h>
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/** 256-bit opaque blob.
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* @note This type is called uint256 for historical reasons only. It is an
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* opaque blob of 256 bits and has no integer operations. Use arith_uint256 if
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* those are required.
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*/
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#define UPPER_P(x) x->elements[0]
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#define LOWER_P(x) x->elements[1]
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#define UPPER(x) x.elements[0]
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#define LOWER(x) x.elements[1]
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#define WIDTH 32
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typedef struct class_base_blob base_blob_t;
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struct class_base_blob{
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uint8_t data[WIDTH];
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};
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typedef struct uint128_t { uint64_t elements[2]; } uint128_t;
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typedef struct uint256_t {
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uint128_t elements[2];
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base_blob_t bb;
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} uint256;
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#endif // BITCOIN_UINT256_H
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