mirror of
https://github.com/GOSTSec/ccminer
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27 lines
594 B
C++
27 lines
594 B
C++
/**
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* Wrapper to OpenSSL BIGNUM used by net diff (nBits)
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*/
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#include <stdio.h>
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#include "uint256.h"
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#include "bignum.hpp"
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#include "miner.h" // hex2bin
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extern "C" double bn_convert_nbits(const uint32_t nBits)
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{
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uint256 bn = CBigNum().SetCompact(nBits).getuint256();
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return bn.getdouble();
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}
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// copy the big number to 32-bytes uchar
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extern "C" void bn_nbits_to_uchar(const uint32_t nBits, unsigned char *target)
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{
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char buff[65];
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uint256 bn = CBigNum().SetCompact(nBits).getuint256();
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snprintf(buff, 65, "%s\n", bn.ToString().c_str()); buff[64] = '\0';
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hex2bin(target, buff, 32);
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}
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