bitcoin源码解析---比特币单位

在法币中，有以下换算单位：

• 一元=100分

在比特币中有三种单位：

• 1枚比特币 = 100比特分
• 一比特分 = 100万聪
• 1枚比特币 = 1亿聪

源码如下：

amount.h
// 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.

#ifndef BITCOIN_AMOUNT_H
#define BITCOIN_AMOUNT_H

#include <stdint.h>

/** Amount in satoshis (Can be negative) */
typedef int64_t CAmount;

static const CAmount COIN = 100000000;			// 一枚比特币=1亿聪
static const CAmount CENT = 1000000;			// 一分比特币=100万聪

/** No amount larger than this (in satoshi) is valid.
 *
 * Note that this constant is *not* the total money supply, which in Bitcoin
 * currently happens to be less than 21,000,000 BTC for various reasons, but
 * rather a sanity check. As this sanity check is used by consensus-critical
 * validation code, the exact value of the MAX_MONEY constant is consensus
 * critical; in unusual circumstances like a(nother) overflow bug that allowed
 * for the creation of coins out of thin air modification could lead to a fork.
 * */
static const CAmount MAX_MONEY = 21000000 * COIN;	// 比特币最大发行2100万枚
inline bool MoneyRange(const CAmount& nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }

#endif //  BITCOIN_AMOUNT_H

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