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 contract ERC20TokenInterface    - 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 ...  contract CanYaCoin is ERC20TokenIn ... *    - function CanYaCoin()    - function totalSupply()    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function balanceOf(address _owner)    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...

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/**
 *Submitted for verification at Etherscan.io on 2017-10-03
*/

/**
 *  CanYaCoin (CAN) contract (FINAL)
 */

pragma solidity 0.4.15;


contract ERC20TokenInterface {

    /// @return The total amount of tokens
    function totalSupply() constant returns (uint256 supply);

    /// @param _owner The address from which the balance will be retrieved
    /// @return The balance
    function balanceOf(address _owner) constant public returns (uint256 balance);

    /// @notice send `_value` token to `_to` from `msg.sender`
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transfer(address _to, uint256 _value) public returns (bool success);

    /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
    /// @param _from The address of the sender
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);

    /// @notice `msg.sender` approves `_spender` to spend `_value` tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _value The amount of tokens to be approved for transfer
    /// @return Whether the approval was successful or not
    function approve(address _spender, uint256 _value) public returns (bool success);

    /// @param _owner The address of the account owning tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @return Amount of remaining tokens allowed to spent
    function allowance(address _owner, address _spender) constant public returns (uint256 remaining);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

}


contract CanYaCoin is ERC20TokenInterface {

    string public constant name = "CanYaCoin";
    string public constant symbol = "CAN";
    uint256 public constant decimals = 6;
    uint256 public constant totalTokens = 100000000 * (10 ** decimals);

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

    function CanYaCoin() {
        balances[msg.sender] = totalTokens;
    }

    function totalSupply() constant returns (uint256) {
        return totalTokens;
    }

    function transfer(address _to, uint256 _value) public returns (bool) {
        if (balances[msg.sender] >= _value) {
            balances[msg.sender] -= _value;
            balances[_to] += _value;
            Transfer(msg.sender, _to, _value);
            return true;
        }
        return false;
    }

    function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
        if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value) {
            balances[_from] -= _value;
            allowed[_from][msg.sender] -= _value;
            balances[_to] += _value;
            Transfer(_from, _to, _value);
            return true;
        }
        return false;
    }

    function balanceOf(address _owner) constant public returns (uint256) {
        return balances[_owner];
    }

    function approve(address _spender, uint256 _value) public returns (bool) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    function allowance(address _owner, address _spender) constant public returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

}

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