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106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
/*
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Copyright (c) 2014-2018, The Monero Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are
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permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of
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conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list
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of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors may be
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used to endorse or promote products derived from this software without specific
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prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Parts of the project are originally copyright (c) 2012-2013 The Cryptonote developers
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*/
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#include <assert.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include "cryptonote_basic/cryptonote_basic.h"
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#include "cryptonote_basic/cryptonote_format_utils.h"
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#include "cryptonote_basic/blobdatatype.h"
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#include "cryptonote_basic/difficulty.h"
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#include "crypto/crypto.h"
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#include "crypto/hash.h"
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#include "common/base58.h"
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#include "serialization/binary_utils.h"
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#include "xmr.h"
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using namespace cryptonote;
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int get_hashing_blob(const char *input, const size_t in_size, char **output, size_t *out_size)
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{
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block b = AUTO_VAL_INIT(b);
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blobdata bd = std::string(input, in_size);
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if (!parse_and_validate_block_from_blob(bd, b))
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{
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printf("Failed to parse block\n");
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return -1;
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}
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blobdata blob = get_block_hashing_blob(b);
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*out_size = blob.length();
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*output = (char*) malloc(*out_size);
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memcpy(*output, blob.data(), *out_size);
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return 0;
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}
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int construct_block_blob(const char *block_data, uint64_t nonce, char **blob)
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{
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struct block b = AUTO_VAL_INIT(b);
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blobdata bd = block_data;
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if (!parse_and_validate_block_from_blob(bd, b))
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return -1;
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b.nonce = nonce;
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bd = "";
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if (!block_to_blob(b, bd))
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return -2;
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*blob = (char*) malloc(bd.size());
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memcpy(*blob, bd.data(), bd.length());
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return 0;
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}
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int parse_address(const char *input, uint64_t *prefix)
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{
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uint64_t tag;
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std::string decoded;
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bool rv = tools::base58::decode_addr(input, tag, decoded);
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if (rv)
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{
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*prefix = tag;
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}
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return rv ? 0 : -1;
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}
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void get_hash(const char *input, const size_t in_size, char **output)
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{
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crypto::cn_slow_hash(input, in_size, reinterpret_cast<crypto::hash&>(*output), 2);
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}
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bool check_hash(const char* hash, uint64_t difficulty)
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{
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return check_hash(reinterpret_cast<const crypto::hash&>(hash), difficulty);
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}
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