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85 lines
2.3 KiB
85 lines
2.3 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2019 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <uint256.h>
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#include <util/strencodings.h>
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#include <string.h>
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template <unsigned int BITS>
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base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch)
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{
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assert(vch.size() == sizeof(m_data));
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memcpy(m_data, vch.data(), sizeof(m_data));
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}
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template <unsigned int BITS>
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std::string base_blob<BITS>::GetHex() const
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{
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uint8_t m_data_rev[WIDTH];
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for (int i = 0; i < WIDTH; ++i) {
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m_data_rev[i] = m_data[WIDTH - 1 - i];
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}
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return HexStr(m_data_rev);
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}
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template <unsigned int BITS>
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void base_blob<BITS>::SetHex(const char* psz)
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{
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memset(m_data, 0, sizeof(m_data));
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// skip leading spaces
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while (IsSpace(*psz))
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psz++;
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// skip 0x
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if (psz[0] == '0' && ToLower(psz[1]) == 'x')
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psz += 2;
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// hex string to uint
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size_t digits = 0;
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while (::HexDigit(psz[digits]) != -1)
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digits++;
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unsigned char* p1 = (unsigned char*)m_data;
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unsigned char* pend = p1 + WIDTH;
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while (digits > 0 && p1 < pend) {
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*p1 = ::HexDigit(psz[--digits]);
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if (digits > 0) {
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*p1 |= ((unsigned char)::HexDigit(psz[--digits]) << 4);
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p1++;
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}
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}
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}
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template <unsigned int BITS>
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void base_blob<BITS>::SetHex(const std::string& str)
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{
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SetHex(str.c_str());
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}
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template <unsigned int BITS>
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std::string base_blob<BITS>::ToString() const
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{
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return (GetHex());
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}
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// Explicit instantiations for base_blob<160>
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template base_blob<160>::base_blob(const std::vector<unsigned char>&);
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template std::string base_blob<160>::GetHex() const;
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template std::string base_blob<160>::ToString() const;
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template void base_blob<160>::SetHex(const char*);
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template void base_blob<160>::SetHex(const std::string&);
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// Explicit instantiations for base_blob<256>
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template base_blob<256>::base_blob(const std::vector<unsigned char>&);
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template std::string base_blob<256>::GetHex() const;
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template std::string base_blob<256>::ToString() const;
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template void base_blob<256>::SetHex(const char*);
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template void base_blob<256>::SetHex(const std::string&);
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const uint256 uint256::ZERO(0);
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const uint256 uint256::ONE(1);
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