Genesis Vision Token

0x103c3a209da59d3e7c4a89307e66521e081cfdf0

balanceOf keyboard_arrow_up

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

transfer keyboard_arrow_up

  function transfer(address _to, uint256 _value) returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

allowance keyboard_arrow_up

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

transferFrom keyboard_arrow_up

  function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // require (_value <= _allowance);

    balances[_to] = balances[_to].add(_value);
    balances[_from] = balances[_from].sub(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

approve keyboard_arrow_up

  function approve(address _spender, uint256 _value) returns (bool) {

    // To change the approve amount you first have to reduce the addresses`
    //  allowance to zero by calling `approve(_spender, 0)` if it is not
    //  already 0 to mitigate the race condition described here:
    //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    require((_value == 0) || (allowed[msg.sender][_spender] == 0));

    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

mint keyboard_arrow_up

    function mint(address holder, uint value) {
        require(msg.sender == ico);
        require(value > 0);
        require(totalSupply + value <= TOKEN_LIMIT);

        balances[holder] += value;
        totalSupply += value;
        Transfer(0x0, holder, value);
    }

unfreeze keyboard_arrow_up

    function unfreeze() {
        require(msg.sender == ico);
        isFrozen = false;
    }

transfer keyboard_arrow_up

    function transfer(address _to, uint _value) public returns (bool) {
        require(_to != address(0));
        require(!isFrozen);
        return super.transfer(_to, _value);
    }

transferFrom keyboard_arrow_up

    function transferFrom(address _from, address _to, uint _value) public returns (bool) {
        require(!isFrozen);
        return super.transferFrom(_from, _to, _value);
    }

approve keyboard_arrow_up

    function approve(address _spender, uint _value) public returns (bool) {
        require(!isFrozen);
        return super.approve(_spender, _value);
    }

migrate keyboard_arrow_up

    function migrate(uint value) external {
        require(migrationAgent != 0);
        require(value > 0);
        require(value <= balances[msg.sender]);

        balances[msg.sender] -= value;
        totalSupply -= value;
        totalMigrated += value;
        MigrationAgent(migrationAgent).migrateFrom(msg.sender, value);
        Migrate(msg.sender, migrationAgent, value);
    }

setMigrationAgent keyboard_arrow_up

    function setMigrationAgent(address _agent) external {
        require(migrationAgent == 0);
        require(msg.sender == migrationMaster);
        migrationAgent = _agent;
    }

setMigrationMaster keyboard_arrow_up

    function setMigrationMaster(address _master) external {
        require(msg.sender == migrationMaster);
        require(_master != 0);
        migrationMaster = _master;
    }