8fde2fd5fa
fad13b1 [amount] Preempt issues with negative fee rates (MarcoFalke) faf756a [amount] Make GetFee() monotonic (MarcoFalke) fab6880 [qa] Add amount tests (MarcoFalke)
34 lines
831 B
C++
34 lines
831 B
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "amount.h"
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#include "tinyformat.h"
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const std::string CURRENCY_UNIT = "DASH";
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CFeeRate::CFeeRate(const CAmount& nFeePaid, size_t nSize)
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{
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if (nSize > 0)
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nSatoshisPerK = nFeePaid*1000/nSize;
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else
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nSatoshisPerK = 0;
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}
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CAmount CFeeRate::GetFee(size_t nSize) const
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{
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CAmount nFee = nSatoshisPerK * nSize / 1000;
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if (nFee == 0 && nSize != 0 && nSatoshisPerK > 0)
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nFee = CAmount(1);
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return nFee;
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}
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std::string CFeeRate::ToString() const
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{
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return strprintf("%d.%08d %s/kB", nSatoshisPerK / COIN, nSatoshisPerK % COIN, CURRENCY_UNIT);
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}
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