Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

 contract ERC20Interface    - function totalSupply()    - function balanceOf(address _owner)    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...    - function burnExcess(uint256 _value)    - function burnPoll(uint256 _value)  contract POLLToken is ERC20Interfa ... *    - function ()    - function POLLToken()    - function totalSupply()    - function balanceOf(address _owner)    - function transfer(address _to, uint25 ...    - function transferFrom(    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...    - function burnExcess(uint256 _value)    - function burnPoll(uint256 _value)

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2017-10-13
*/

pragma solidity ^0.4.15;

contract ERC20Interface {
    // Get the total token supply
    function totalSupply() constant returns (uint256 tS);
 
    // Get the account balance of another account with address _owner
    function balanceOf(address _owner) constant returns (uint256 balance);
 
    // Send _value amount of tokens to address _to
    function transfer(address _to, uint256 _value) returns (bool success);
 
    // Send _value amount of tokens from address _from to address _to
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
 
    // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
    // If this function is called again it overwrites the current allowance with _value.
    // this function is required for some DEX functionality
    function approve(address _spender, uint256 _value) returns (bool success);
 
    // Returns the amount which _spender is still allowed to withdraw from _owner
    function allowance(address _owner, address _spender) constant returns (uint256 remaining);

    // Used only once for burning excess tokens after ICO.
    function burnExcess(uint256 _value) returns (bool success);

    // Used for burning 100 tokens for every completed poll up to maximum of 10% of totalSupply.
    function burnPoll(uint256 _value) returns (bool success);
 
    // Triggered when tokens are transferred.
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
 
    // Triggered whenever approve(address _spender, uint256 _value) is called.
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);

    // Triggered whenever tokens are destroyed
    event Burn(address indexed from, uint256 value);
}
 
contract POLLToken is ERC20Interface {

    string public constant symbol = "POLL";
    string public constant name = "ClearPoll Token";
    uint8 public constant decimals = 18;
    uint256 _totalSupply = 10000000 * 10 ** uint256(decimals);
    
    address public owner;
    
    bool public excessTokensBurnt = false;

    uint256 public pollCompleted = 0;
    
    uint256 public pollBurnInc = 100 * 10 ** uint256(decimals);

    uint256 public pollBurnQty = 0;

    bool public pollBurnCompleted = false;

    uint256 public pollBurnQtyMax;

    mapping(address => uint256) balances;
 
    mapping(address => mapping (address => uint256)) allowed;

    // Handle ether mistakenly sent to contract
    function () payable {
      if (msg.value > 0) {
          if (!owner.send(msg.value)) revert();
      }
    }

    function POLLToken() {
        owner = msg.sender;
        balances[owner] = _totalSupply;
    }

    // Get the total token supply
    function totalSupply() constant returns (uint256 tS) {
        tS = _totalSupply;
    }
 
    // What is the balance of a particular account?
    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }
 
    // Transfer the balance from owner's account to another account
    function transfer(address _to, uint256 _amount) returns (bool success) {
        if (balances[msg.sender] >= _amount 
            && _amount > 0
            && balances[_to] + _amount > balances[_to]) {
            balances[msg.sender] -= _amount;
            balances[_to] += _amount;
            Transfer(msg.sender, _to, _amount);
            return true;
        } else {
            return false;
        }
    }
 
    // Send _value amount of tokens from address _from to address _to
    // The transferFrom method is used for a withdraw workflow, allowing contracts to send
    // tokens on your behalf, for example to "deposit" to a contract address and/or to charge
    // fees in sub-currencies; the command should fail unless the _from account has
    // deliberately authorized the sender of the message via some mechanism; we propose
    // these standardized APIs for approval:
    function transferFrom(
        address _from, address _to, uint256 _amount) returns (bool success) {
        if (balances[_from] >= _amount
            && allowed[_from][msg.sender] >= _amount
            && _amount > 0
            && balances[_to] + _amount > balances[_to]) {
            balances[_from] -= _amount;
            allowed[_from][msg.sender] -= _amount;
            balances[_to] += _amount;
            Transfer(_from, _to, _amount);
            return true;
        } else {
            return false;
        }
    }
 
    // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
    // If this function is called again it overwrites the current allowance with _value.
    function approve(address _spender, uint256 _amount) returns (bool success) {
        allowed[msg.sender][_spender] = _amount;
        Approval(msg.sender, _spender, _amount);
        return true;
    }
 
    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    // Used only once for burning excess tokens after ICO.
    function burnExcess(uint256 _value) public returns (bool success) {
        require(balanceOf(msg.sender) >= _value && msg.sender == owner && !excessTokensBurnt);
        balances[msg.sender] -= _value;
        _totalSupply -= _value;
        Burn(msg.sender, _value);
        pollBurnQtyMax = totalSupply() / 10;
        excessTokensBurnt = true;
        return true;
    }   

    // Used for burning 100 tokens for every completed poll up to maximum of 10% of totalSupply.
    function burnPoll(uint256 _value) public returns (bool success) {    	
        require(msg.sender == owner && excessTokensBurnt && _value > pollCompleted && !pollBurnCompleted);
        uint256 burnQty;
        if ((_value * pollBurnInc) <= pollBurnQtyMax) {
            burnQty = (_value-pollCompleted) * pollBurnInc;
            balances[msg.sender] -= burnQty;
            _totalSupply -= burnQty;
            Burn(msg.sender, burnQty);
            pollBurnQty += burnQty;
            pollCompleted = _value;
            if (pollBurnQty == pollBurnQtyMax) pollBurnCompleted = true;
            return true;
        } else if (pollBurnQty < pollBurnQtyMax) {
			burnQty = pollBurnQtyMax - pollBurnQty;
            balances[msg.sender] -= burnQty;
            _totalSupply -= burnQty;
            Burn(msg.sender, burnQty);
            pollBurnQty += burnQty;
            pollCompleted = _value;
            pollBurnCompleted = true;
            return true;
        } else {
            return false;
        }
    }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_amount","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"tS","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"pollCompleted","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"pollBurnCompleted","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"pollBurnQtyMax","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burnPoll","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"excessTokensBurnt","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"pollBurnQty","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"pollBurnInc","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burnExcess","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"}]

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

bzzr://70b297cd3db26680595e63aab5ded327c150a1b372778c5877228c32fff01e56