bitcoin/src/amount.h at 0.20 · adeebahmed/bitcoin

Repository navigation

// 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;

/** 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