zcash_script/depend/zcash/src/amount.cpp

43 lines
1.1 KiB
C++

// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Copyright (c) 2017-2023 The Zcash developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://www.opensource.org/licenses/mit-license.php .
#include "amount.h"
#include "consensus/consensus.h"
#include "tinyformat.h"
const std::string CURRENCY_UNIT = "ZEC";
const std::string MINOR_CURRENCY_UNIT = "zatoshis";
CFeeRate::CFeeRate(const CAmount& nFeePaid, size_t nSize)
{
if (nSize > 0) {
nSatoshisPerK = std::min(nFeePaid*1000/nSize, (uint64_t)INT64_MAX / MAX_BLOCK_SIZE);
} else {
nSatoshisPerK = 0;
}
}
CAmount CFeeRate::GetFeeForRelay(size_t nSize) const
{
return std::min(GetFee(nSize), LEGACY_DEFAULT_FEE);
}
CAmount CFeeRate::GetFee(size_t nSize) const
{
CAmount nFee = nSatoshisPerK*nSize / 1000;
if (nFee == 0 && nSatoshisPerK > 0)
nFee = nSatoshisPerK;
return nFee;
}
std::string CFeeRate::ToString() const
{
return strprintf("%d.%08d %s per 1000 bytes", nSatoshisPerK / COIN, nSatoshisPerK % COIN, CURRENCY_UNIT);
}