d1158ea68c
* switch to using Context internally
* add context import
* Add smoke test to make sure enabling GSN support works
* Update test/GSN/ERC721GSNRecipientMock.test.js
Co-Authored-By: Francisco Giordano <frangio.1@gmail.com>
* Upgrade truffle
* add missing awaits
* Revert "Upgrade truffle"
This reverts commit f9b0ba9019.
28 lines
681 B
Solidity
28 lines
681 B
Solidity
pragma solidity ^0.5.0;
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import "../../GSN/Context.sol";
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import "./ERC20.sol";
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/**
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* @dev Extension of {ERC20} that allows token holders to destroy both their own
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* tokens and those that they have an allowance for, in a way that can be
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* recognized off-chain (via event analysis).
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*/
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contract ERC20Burnable is Context, ERC20 {
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/**
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* @dev Destroys `amount` tokens from the caller.
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*
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* See {ERC20-_burn}.
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*/
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function burn(uint256 amount) public {
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_burn(_msgSender(), amount);
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}
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/**
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* @dev See {ERC20-_burnFrom}.
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*/
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function burnFrom(address account, uint256 amount) public {
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_burnFrom(account, amount);
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}
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}
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