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.
 
 
 
 
 
 

43 lines
1.1 KiB

// 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 "feerate.h"
#include "tinyformat.h"
const std::string CURRENCY_UNIT = "BTC";
CFeeRate::CFeeRate(const CAmount& nFeePaid, size_t nBytes_)
{
assert(nBytes_ <= uint64_t(std::numeric_limits<int64_t>::max()));
int64_t nSize = int64_t(nBytes_);
if (nSize > 0)
nSatoshisPerK = nFeePaid * 1000 / nSize;
else
nSatoshisPerK = 0;
}
CAmount CFeeRate::GetFee(size_t nBytes_) const
{
assert(nBytes_ <= uint64_t(std::numeric_limits<int64_t>::max()));
int64_t nSize = int64_t(nBytes_);
CAmount nFee = nSatoshisPerK * nSize / 1000;
if (nFee == 0 && nSize != 0) {
if (nSatoshisPerK > 0)
nFee = CAmount(1);
if (nSatoshisPerK < 0)
nFee = CAmount(-1);
}
return nFee;
}
std::string CFeeRate::ToString() const
{
return strprintf("%d.%08d %s/kB", nSatoshisPerK / COIN, nSatoshisPerK % COIN, CURRENCY_UNIT);
}