ERC777Mock.sol 1.2 KB

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  1. // SPDX-License-Identifier: MIT
  2. pragma solidity ^0.8.0;
  3. import "../utils/Context.sol";
  4. import "../token/ERC777/ERC777.sol";
  5. contract ERC777Mock is Context, ERC777 {
  6. event BeforeTokenTransfer();
  7. constructor(
  8. address initialHolder,
  9. uint256 initialBalance,
  10. string memory name,
  11. string memory symbol,
  12. address[] memory defaultOperators
  13. ) ERC777(name, symbol, defaultOperators) {
  14. _mint(initialHolder, initialBalance, "", "");
  15. }
  16. function mintInternal (
  17. address to,
  18. uint256 amount,
  19. bytes memory userData,
  20. bytes memory operatorData
  21. ) public {
  22. _mint(to, amount, userData, operatorData);
  23. }
  24. function mintInternalExtended (
  25. address to,
  26. uint256 amount,
  27. bytes memory userData,
  28. bytes memory operatorData,
  29. bool requireReceptionAck
  30. ) public {
  31. _mint(to, amount, userData, operatorData, requireReceptionAck);
  32. }
  33. function approveInternal(address holder, address spender, uint256 value) public {
  34. _approve(holder, spender, value);
  35. }
  36. function _beforeTokenTransfer(address, address, address, uint256) internal override {
  37. emit BeforeTokenTransfer();
  38. }
  39. }