3a5da75876
* Add ERC20._approve. * Add ERC20._approve tests. * Fix linter error. * Require owner in _approve to be non-zero.
27 lines
684 B
Solidity
27 lines
684 B
Solidity
pragma solidity ^0.5.2;
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import "../token/ERC20/ERC20.sol";
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// mock class using ERC20
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contract ERC20Mock is ERC20 {
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constructor (address initialAccount, uint256 initialBalance) public {
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_mint(initialAccount, initialBalance);
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}
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function mint(address account, uint256 amount) public {
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_mint(account, amount);
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}
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function burn(address account, uint256 amount) public {
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_burn(account, amount);
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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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function approveInternal(address owner, address spender, uint256 value) public {
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_approve(owner, spender, value);
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}
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}
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