Utility.h 1.5 KB

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  1. /*
  2. This file is part of cpp-ethereum.
  3. cpp-ethereum is free software: you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation, either version 3 of the License, or
  6. (at your option) any later version.
  7. cpp-ethereum is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. You should have received a copy of the GNU General Public License
  12. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
  13. */
  14. /** @file Utility.h
  15. * @author Gav Wood <i@gavwood.com>
  16. * @date 2014
  17. */
  18. #pragma once
  19. #include <string>
  20. #include <libdevcore/Common.h>
  21. #include <libdevcore/FixedHash.h>
  22. namespace dev
  23. {
  24. namespace eth
  25. {
  26. /**
  27. * Takes a user-authorable string with several whitespace delimited arguments and builds a byte array
  28. * from it. Arguments can be hex data/numerals, decimal numbers or ASCII strings. Literals are padded
  29. * to 32 bytes if prefixed by a '@' (or not prefixed at all), and tightly packed if prefixed by a '$'.
  30. * Currency multipliers can be provided.
  31. *
  32. * Example:
  33. * @code
  34. * parseData("$42 0x42 $\"Hello\""); // == bytes(1, 0x2a) + bytes(31, 0) + bytes(1, 0x42) + asBytes("Hello");
  35. * @endcode
  36. */
  37. bytes parseData(std::string const& _args);
  38. void upgradeDatabase(std::string const& _basePath, h256 const& _genesisHash);
  39. }
  40. }