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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "uint256.h"
#include "utilstrencodings.h"
#include <stdio.h>
#include <string.h>
template <unsigned int BITS>
base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch)
{
assert(vch.size() == sizeof(data));
memcpy(data, &vch[0], sizeof(data));
}
template <unsigned int BITS>
std::string base_blob<BITS>::GetHex() const
{
char psz[sizeof(data) * 2 + 1];
for (unsigned int i = 0; i < sizeof(data); i++)
sprintf(psz + i * 2, "%02x", data[sizeof(data) - i - 1]);
return std::string(psz, psz + sizeof(data) * 2);
}
template <unsigned int BITS>
void base_blob<BITS>::SetHex(const char* psz)
{
memset(data, 0, sizeof(data));
// skip leading spaces
while (isspace(*psz))
psz++;
// skip 0x
if (psz[0] == '0' && tolower(psz[1]) == 'x')
psz += 2;
// hex string to uint
const char* pbegin = psz;
while (::HexDigit(*psz) != -1)
psz++;
psz--;
unsigned char* p1 = (unsigned char*)data;
unsigned char* pend = p1 + WIDTH;
while (psz >= pbegin && p1 < pend) {
*p1 = ::HexDigit(*psz--);
if (psz >= pbegin) {
*p1 |= ((unsigned char)::HexDigit(*psz--) << 4);
p1++;
}
}
}
template <unsigned int BITS>
void base_blob<BITS>::SetHex(const std::string& str)
{
SetHex(str.c_str());
}
template <unsigned int BITS>
std::string base_blob<BITS>::ToString() const
{
return (GetHex());
}
// Explicit instantiations for base_blob<160>
template base_blob<160>::base_blob(const std::vector<unsigned char>&);
template std::string base_blob<160>::GetHex() const;
template std::string base_blob<160>::ToString() const;
template void base_blob<160>::SetHex(const char*);
template void base_blob<160>::SetHex(const std::string&);
// Explicit instantiations for base_blob<256>
template base_blob<256>::base_blob(const std::vector<unsigned char>&);
template std::string base_blob<256>::GetHex() const;
template std::string base_blob<256>::ToString() const;
template void base_blob<256>::SetHex(const char*);
template void base_blob<256>::SetHex(const std::string&);