16 lines
640 B
Solidity
16 lines
640 B
Solidity
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interface IERC20 {
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function totalSupply() external view returns(uint);
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function balanceOf(address account) external view returns(uint);
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function transfer(address recipient, uint amount) external returns(bool);
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function allowance(address owner, address spender) external view returns(uint);
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function approve(address spender, uint amount) external returns(bool);
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function transferFrom(address sender, address recipient, uint amount) external returns(bool);
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event Transfer(address indexed from, address indexed to, uint value);
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event Approval(address indexed owner, address indexed spender, uint value);
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}
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