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				// Copyright (c) 2019 The Bitcoin developers
				// Distributed under the MIT software license, see the accompanying
				// file COPYING or http://www.opensource.org/licenses/mit-license.php.

				#ifndef BITCOIN_PRIMITIVES_BLOCKHASH_H
				#define BITCOIN_PRIMITIVES_BLOCKHASH_H

				#include <uint256.h>

				/**
				* A BlockHash is a unqiue identifier for a block.
				*/
				struct BlockHash : public uint256 {
				explicit BlockHash() : uint256() {}
				explicit BlockHash(const uint256 &b) : uint256(b) {}

				static BlockHash fromHex(const std::string &str) {
				BlockHash r;
				r.SetHex(str);
				return r;
				}
				};

				#endif // BITCOIN_PRIMITIVES_BLOCKHASH_H