2019-04-25 17:53:21 +00:00
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/*
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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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2020-07-17 14:54:12 +00:00
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// SPDX-License-Identifier: GPL-3.0
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2019-04-25 17:53:21 +00:00
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#pragma once
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2020-01-06 10:52:23 +00:00
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#include <libsolutil/Common.h>
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2019-04-25 17:53:21 +00:00
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#include <string>
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2019-12-11 16:31:36 +00:00
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namespace solidity::util
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2019-04-25 17:53:21 +00:00
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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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