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			38 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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	This file is part of solidity.
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	solidity is free software: you can redistribute it and/or modify
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	it under the terms of the GNU General Public License as published by
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	the Free Software Foundation, either version 3 of the License, or
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	(at your option) any later version.
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	solidity is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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	GNU General Public License for more details.
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	You should have received a copy of the GNU General Public License
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	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <libsolutil/Common.h>
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#include <string>
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namespace solidity::util
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{
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/// Compute the "ipfs hash" of a file with the content @a _data.
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/// The output will be the multihash of the UnixFS protobuf encoded data.
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/// As hash function it will use sha2-256.
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/// The effect is that the hash should be identical to the one produced by
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/// the command `ipfs add <filename>`.
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bytes ipfsHash(std::string _data);
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/// Compute the "ipfs hash" as above, but encoded in base58 as used by ipfs / bitcoin.
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std::string ipfsHashBase58(std::string _data);
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}
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