be16f80abc
Any projects which want to use Hush code from now on will need to be licensed as GPLv3 or we will send the lawyers: https://www.softwarefreedom.org/ Notably, Komodo (KMD) is licensed as GPLv2 and is no longer compatible to receive code changes, without causing legal issues. MIT projects, such as Zcash, also cannot pull in changes from the Hush Full Node without permission from The Hush Developers, which may in some circumstances grant an MIT license on a case-by-case basis.
80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin Core developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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#include "utilmoneystr.h"
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#include "primitives/transaction.h"
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#include "tinyformat.h"
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#include "utilstrencodings.h"
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using namespace std;
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std::string FormatMoney(const CAmount& n)
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{
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// Note: not using straight sprintf here because we do NOT want
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// localized number formatting.
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int64_t n_abs = (n > 0 ? n : -n);
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int64_t quotient = n_abs/COIN;
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int64_t remainder = n_abs%COIN;
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string str = strprintf("%d.%08d", quotient, remainder);
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// Right-trim excess zeros before the decimal point:
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int nTrim = 0;
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for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
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++nTrim;
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if (nTrim)
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str.erase(str.size()-nTrim, nTrim);
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if (n < 0)
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str.insert((unsigned int)0, 1, '-');
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return str;
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}
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bool ParseMoney(const string& str, CAmount& nRet)
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{
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return ParseMoney(str.c_str(), nRet);
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}
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bool ParseMoney(const char* pszIn, CAmount& nRet)
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{
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string strWhole;
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int64_t nUnits = 0;
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const char* p = pszIn;
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while (isspace(*p))
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p++;
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for (; *p; p++)
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{
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if (*p == '.')
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{
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p++;
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int64_t nMult = CENT*10;
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while (isdigit(*p) && (nMult > 0))
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{
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nUnits += nMult * (*p++ - '0');
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nMult /= 10;
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}
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break;
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}
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if (isspace(*p))
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break;
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if (!isdigit(*p))
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return false;
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strWhole.insert(strWhole.end(), *p);
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}
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for (; *p; p++)
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if (!isspace(*p))
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return false;
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if (strWhole.size() > 10) // guard against 63 bit overflow
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return false;
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if (nUnits < 0 || nUnits > COIN)
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return false;
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int64_t nWhole = atoi64(strWhole);
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CAmount nValue = nWhole*COIN + nUnits;
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nRet = nValue;
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return true;
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}
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