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Last active Sep 18, 2021
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pragma solidity ^0.4.24;
contract BasicToken {
uint256 totalSupply_;
mapping(address => uint256) balances;
constructor(uint256 _initialSupply) public {
totalSupply_ = _initialSupply;
balances[msg.sender] = _initialSupply;
function totalSupply() public view returns (uint256) {
return totalSupply_;
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender] - _value;
balances[_to] = balances[_to] + _value;
return true;
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
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