// Copyright (c) 2009-2010 Satoshi Nakamoto // Copyright (c) 2009-2015 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 /** Amount in satoshis (Can be negative) */ typedef int64_t CAmount; static const CAmount COIN = 100000000; static const CAmount CENT = 1000000; /** 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; inline bool MoneyRange(const CAmount& nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); } #endif // BITCOIN_AMOUNT_H