12 lines
609 B
Solidity
12 lines
609 B
Solidity
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pragma solidity ^0.4.15;
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contract ERC20 {
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uint256 public totalSupply;
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function balanceOf(address who) constant returns (uint256);
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function allowance(address owner, address spender) constant returns (uint256);
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function transfer(address to, uint256 value) returns (bool ok);
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function transferFrom(address from, address to, uint256 value) returns (bool ok);
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function approve(address spender, uint256 value) returns (bool ok);
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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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