blob: 7bae161a1d9ca11e7933f5642ee78d49d43c3102 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 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 <utilmoneystr.h>
#include <primitives/transaction.h>
#include <tinyformat.h>
#include <utilstrencodings.h>
std::string FormatMoney(const CAmount& n)
{
// Note: not using straight sprintf here because we do NOT want
// localized number formatting.
int64_t n_abs = (n > 0 ? n : -n);
int64_t quotient = n_abs/COIN;
int64_t remainder = n_abs%COIN;
std::string str = strprintf("%d.%08d", quotient, remainder);
// Right-trim excess zeros before the decimal point:
int nTrim = 0;
for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
++nTrim;
if (nTrim)
str.erase(str.size()-nTrim, nTrim);
if (n < 0)
str.insert((unsigned int)0, 1, '-');
return str;
}
bool ParseMoney(const std::string& str, CAmount& nRet)
{
return ParseMoney(str.c_str(), nRet);
}
bool ParseMoney(const char* pszIn, CAmount& nRet)
{
std::string strWhole;
int64_t nUnits = 0;
const char* p = pszIn;
while (IsSpace(*p))
p++;
for (; *p; p++)
{
if (*p == '.')
{
p++;
int64_t nMult = COIN / 10;
while (isdigit(*p) && (nMult > 0))
{
nUnits += nMult * (*p++ - '0');
nMult /= 10;
}
break;
}
if (IsSpace(*p))
break;
if (!isdigit(*p))
return false;
strWhole.insert(strWhole.end(), *p);
}
for (; *p; p++)
if (!IsSpace(*p))
return false;
if (strWhole.size() > 10) // guard against 63 bit overflow
return false;
if (nUnits < 0 || nUnits > COIN)
return false;
int64_t nWhole = atoi64(strWhole);
CAmount nValue = nWhole*COIN + nUnits;
nRet = nValue;
return true;
}
|
