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54 lines
2.0 KiB
54 lines
2.0 KiB
// 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 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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#ifndef BITCOIN_AMOUNT_H |
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#define BITCOIN_AMOUNT_H |
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#include "serialize.h" |
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#include <stdlib.h> |
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#include <string> |
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typedef int64_t CAmount; |
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static const CAmount COIN = 100000000; |
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static const CAmount CENT = 1000000; |
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/** No amount larger than this (in satoshi) is valid */ |
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static const CAmount MAX_MONEY = 21000000 * COIN; |
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inline bool MoneyRange(const CAmount& nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); } |
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/** Type-safe wrapper class to for fee rates |
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* (how much to pay based on transaction size) |
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*/ |
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class CFeeRate |
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{ |
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private: |
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CAmount nSatoshisPerK; // unit is satoshis-per-1,000-bytes |
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public: |
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CFeeRate() : nSatoshisPerK(0) { } |
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explicit CFeeRate(const CAmount& _nSatoshisPerK): nSatoshisPerK(_nSatoshisPerK) { } |
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CFeeRate(const CAmount& nFeePaid, size_t nSize); |
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CFeeRate(const CFeeRate& other) { nSatoshisPerK = other.nSatoshisPerK; } |
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CAmount GetFee(size_t size) const; // unit returned is satoshis |
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CAmount GetFeePerK() const { return GetFee(1000); } // satoshis-per-1000-bytes |
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friend bool operator<(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK < b.nSatoshisPerK; } |
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friend bool operator>(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK > b.nSatoshisPerK; } |
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friend bool operator==(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK == b.nSatoshisPerK; } |
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friend bool operator<=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK <= b.nSatoshisPerK; } |
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friend bool operator>=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK >= b.nSatoshisPerK; } |
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std::string ToString() const; |
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ADD_SERIALIZE_METHODS; |
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template <typename Stream, typename Operation> |
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inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { |
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READWRITE(nSatoshisPerK); |
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} |
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}; |
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#endif // BITCOIN_AMOUNT_H
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