mirror of https://github.com/bitcoin/bitcoin
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.3 KiB
85 lines
2.3 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2020 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 <util/strencodings.h>
|
|
|
|
#include <string.h>
|
|
|
|
template <unsigned int BITS>
|
|
base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch)
|
|
{
|
|
assert(vch.size() == sizeof(m_data));
|
|
memcpy(m_data, vch.data(), sizeof(m_data));
|
|
}
|
|
|
|
template <unsigned int BITS>
|
|
std::string base_blob<BITS>::GetHex() const
|
|
{
|
|
uint8_t m_data_rev[WIDTH];
|
|
for (int i = 0; i < WIDTH; ++i) {
|
|
m_data_rev[i] = m_data[WIDTH - 1 - i];
|
|
}
|
|
return HexStr(m_data_rev);
|
|
}
|
|
|
|
template <unsigned int BITS>
|
|
void base_blob<BITS>::SetHex(const char* psz)
|
|
{
|
|
memset(m_data, 0, sizeof(m_data));
|
|
|
|
// skip leading spaces
|
|
while (IsSpace(*psz))
|
|
psz++;
|
|
|
|
// skip 0x
|
|
if (psz[0] == '0' && ToLower(psz[1]) == 'x')
|
|
psz += 2;
|
|
|
|
// hex string to uint
|
|
size_t digits = 0;
|
|
while (::HexDigit(psz[digits]) != -1)
|
|
digits++;
|
|
unsigned char* p1 = (unsigned char*)m_data;
|
|
unsigned char* pend = p1 + WIDTH;
|
|
while (digits > 0 && p1 < pend) {
|
|
*p1 = ::HexDigit(psz[--digits]);
|
|
if (digits > 0) {
|
|
*p1 |= ((unsigned char)::HexDigit(psz[--digits]) << 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&);
|
|
|
|
const uint256 uint256::ZERO(0);
|
|
const uint256 uint256::ONE(1);
|