mirror of
https://github.com/ethereum/solidity
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24 lines
925 B
Solidity
24 lines
925 B
Solidity
/// Implements ERC 20 Token standard: https://github.com/ethereum/EIPs/issues/20
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pragma solidity >=0.0;
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/// @title Abstract token contract - Functions to be implemented by token contracts
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abstract contract Token {
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/*
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* Events
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*/
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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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* Public functions
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*/
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function transfer(address to, uint value) virtual public returns (bool);
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function transferFrom(address from, address to, uint value) virtual public returns (bool);
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function approve(address spender, uint value) virtual public returns (bool);
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function balanceOf(address owner) virtual public view returns (uint);
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function allowance(address owner, address spender) virtual public view returns (uint);
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function totalSupply() virtual public view returns (uint);
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}
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