pragma solidity >=0.6.12; // Author: Louis Holbrook 0826EDA1702D1E87C6E2875121D2E7BB88C2A746 // SPDX-License-Identifier: AGPL-3.0-or-later // File-version: 3 // This is a representation of an officially approved Ethereum Improvement Proposal, written by Fabian Vogelsteller fabian@ethereum.org, Vitalik Buterin vitalik.buterin@ethereum.org. It was released under the CC0 license. // The proposal source used as reference was a Markdown file with the following digests: // - sha256:d120f321f2bef19596a401fba86d13352693ccd39645c2bbc84ffb3ed551388f // - swarmhash:598f13429ec42f50d7a6576ab20feffdaf2135a90805678d24e4ea297bf0e639 interface IERC20 { event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); function transfer(address _to, uint256 _value) external returns (bool); function transferFrom(address _from, address _to, uint256 _value) external returns (bool); function approve(address _spender, uint256 _value) external returns (bool); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint256); function totalSupply() external view returns (uint256); function allowance(address _owner, address _spender) external view returns(uint256); function balanceOf(address _holder) external view returns (uint256); }