2017-07-12 13:46:33 +00:00
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/// Implements ERC 20 Token standard: https://github.com/ethereum/EIPs/issues/20
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2018-10-24 12:52:11 +00:00
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pragma solidity >=0.0;
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2017-07-12 13:46:33 +00:00
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/// @title Abstract token contract - Functions to be implemented by token contracts
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2019-10-23 20:10:12 +00:00
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abstract contract Token {
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2017-07-12 13:46:33 +00:00
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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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2019-11-05 17:25:34 +00:00
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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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2017-07-12 13:46:33 +00:00
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}
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