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53 lines
1.7 KiB
53 lines
1.7 KiB
/*
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This file is part of ethash.
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ethash 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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ethash 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 ethash. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file io.h
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* @author Lefteris Karapetsas <lefteris@ethdev.com>
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* @date 2015
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*/
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#pragma once
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "ethash.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Prepares io for ethash
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* @param dirname A null terminated c-string of the path of the ethash
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* data directory. If it does not exist it's created.
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* @param block_number The current block number. Used in seedhash calculation.
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* @returns True if all went fine, and false if there was any kind
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* of error
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*/
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bool ethash_io_prepare(char const *dirname, uint32_t block_number);
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void ethash_io_write();
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static inline void ethash_io_serialize_info(uint32_t revision,
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uint32_t block_number,
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char *output)
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{
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// if .info is only consumed locally we don't really care about endianess
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memcpy(output, &revision, 4);
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ethash_get_seedhash((uint8_t*)(output + 4), block_number);
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}
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#ifdef __cplusplus
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}
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#endif
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