24 lines
758 B
Solidity
24 lines
758 B
Solidity
pragma solidity ^0.5.7;
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/**
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* @title ERC20 interface
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* @dev see https://eips.ethereum.org/EIPS/eip-20
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*/
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interface IERC20 {
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function transfer(address to, uint256 value) external returns (bool);
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function approve(address spender, uint256 value) external returns (bool);
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function transferFrom(address from, address to, uint256 value) external returns (bool);
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function totalSupply() external view returns (uint256);
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function balanceOf(address who) external view returns (uint256);
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function allowance(address owner, address spender) external view returns (uint256);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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