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amount.h 1.1KB

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  1. // Copyright (c) 2009-2010 Satoshi Nakamoto
  2. // Copyright (c) 2009-2016 The Starwels developers
  3. // Distributed under the MIT software license, see the accompanying
  4. // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  5. #ifndef STARWELS_AMOUNT_H
  6. #define STARWELS_AMOUNT_H
  7. #include <stdint.h>
  8. /** Amount in satoshis (Can be negative) */
  9. typedef int64_t CAmount;
  10. static const CAmount COIN = 100000000;
  11. static const CAmount CENT = 1000000;
  12. /** No amount larger than this (in satoshi) is valid.
  13. *
  14. * Note that this constant is *not* the total money supply, which in Starwels
  15. * currently happens to be less than 21,000,000 MAI for various reasons, but
  16. * rather a sanity check. As this sanity check is used by consensus-critical
  17. * validation code, the exact value of the MAX_MONEY constant is consensus
  18. * critical; in unusual circumstances like a(nother) overflow bug that allowed
  19. * for the creation of coins out of thin air modification could lead to a fork.
  20. * */
  21. static const CAmount MAX_MONEY = 21000000 * COIN;
  22. inline bool MoneyRange(const CAmount& nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
  23. #endif // STARWELS_AMOUNT_H