Metronome

0xa3d58c4e56fedcae3a7c43a725aee9a71f0ece4e

changeOwnership keyboard_arrow_up

    function changeOwnership(address _newOwner) public onlyOwner returns (bool) {
        require(_newOwner != owner);
        newOwner = _newOwner;
        return true;
    }

acceptOwnership keyboard_arrow_up

    function acceptOwnership() public returns (bool) {
        require(msg.sender == newOwner);

        emit OwnershipChanged(owner, newOwner);
        owner = newOwner;
        return true;
    }

initMintable keyboard_arrow_up

    function initMintable(address _autonomousConverter, address _minter, uint _initialSupply, 
        uint _decmult) public onlyOwner {
        require(autonomousConverter == 0x0 && _autonomousConverter != 0x0);
        require(minter == 0x0 && _minter != 0x0);
      
        autonomousConverter = _autonomousConverter;
        minter = _minter;
        _totalSupply = _initialSupply.mul(_decmult);
        _balanceOf[_autonomousConverter] = _totalSupply;
    }

totalSupply keyboard_arrow_up

    function totalSupply() public constant returns (uint256) {
        return _totalSupply;
    }

balanceOf keyboard_arrow_up

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

setTokenPorter keyboard_arrow_up

    function setTokenPorter(address _tokenPorter) public onlyOwner returns (bool) {
        require(_tokenPorter != 0x0);

        tokenPorter = ITokenPorter(_tokenPorter);
        return true;
    }

mint keyboard_arrow_up

    function mint(address _to, uint _value) public returns (bool) {
        require(msg.sender == minter || msg.sender == address(tokenPorter));
        _balanceOf[_to] = _balanceOf[_to].add(_value);
        _totalSupply = _totalSupply.add(_value);
        emit Mint(_to, _value);
        emit Transfer(0x0, _to, _value);
        return true;
    }

destroy keyboard_arrow_up

    function destroy(address _from, uint _value) public returns (bool) {
        require(msg.sender == autonomousConverter || msg.sender == address(tokenPorter));
        _balanceOf[_from] = _balanceOf[_from].sub(_value);
        _totalSupply = _totalSupply.sub(_value);
        emit Destroy(_from, _value);
        emit Transfer(_from, 0x0, _value);
        return true;
    }

initToken keyboard_arrow_up

    function initToken(address _autonomousConverter, address _minter,
     uint _initialSupply, uint _decmult) public onlyOwner {
        initMintable(_autonomousConverter, _minter, _initialSupply, _decmult);
    }

allowance keyboard_arrow_up

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

transfer keyboard_arrow_up

    function transfer(address _to, uint256 _value) public transferable returns (bool) {
        return super.transfer(_to, _value);
        
    }

transferFrom keyboard_arrow_up

    function transferFrom(address _from, address _to, uint256 _value) public transferable returns (bool) {        
        return super.transferFrom(_from, _to, _value);
    }

approve keyboard_arrow_up

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

multiTransfer keyboard_arrow_up

    function multiTransfer(uint[] bits) public transferable returns (bool) {
        return super.multiTransfer(bits);
    }

approveMore keyboard_arrow_up

    function approveMore(address _spender, uint256 _value) public returns (bool) {
        uint previous = _allowance[msg.sender][_spender];
        uint newAllowance = previous.add(_value);
        _allowance[msg.sender][_spender] = newAllowance;
        emit Approval(msg.sender, _spender, newAllowance);
        return true;
    }

approveLess keyboard_arrow_up

    function approveLess(address _spender, uint256 _value) public returns (bool) {
        uint previous = _allowance[msg.sender][_spender];
        uint newAllowance = previous.sub(_value);
        _allowance[msg.sender][_spender] = newAllowance;
        emit Approval(msg.sender, _spender, newAllowance);
        return true;
    }

initMETToken keyboard_arrow_up

    function initMETToken(address _autonomousConverter, address _minter, 
        uint _initialSupply, uint _decmult) public onlyOwner {
        initToken(_autonomousConverter, _minter, _initialSupply, _decmult);
    }

enableMETTransfers keyboard_arrow_up

    function enableMETTransfers() public returns (bool) {
        require(!transferAllowed && Auctions(minter).isInitialAuctionEnded());
        transferAllowed = true; 
        return true;
    }

setRoot keyboard_arrow_up

    function setRoot(bytes32 data) public {
        roots[msg.sender] = data;
    }

getRoot keyboard_arrow_up

    function getRoot(address addr) public view returns (bytes32) {
        return roots[addr];
    }

rootsMatch keyboard_arrow_up

    function rootsMatch(address a, address b) public view returns (bool) {
        return roots[a] == roots[b];
    }

importMET keyboard_arrow_up

    function importMET(bytes8 _originChain, bytes8 _destinationChain, address[] _addresses, bytes _extraData, 
        bytes32[] _burnHashes, uint[] _supplyOnAllChains, uint[] _importData, bytes _proof) public returns (bool)
    {
        require(address(tokenPorter) != 0x0);
        return tokenPorter.importMET(_originChain, _destinationChain, _addresses, _extraData, 
        _burnHashes, _supplyOnAllChains, _importData, _proof);
    }

export keyboard_arrow_up

    function export(bytes8 _destChain, address _destMetronomeAddr, address _destRecipAddr, uint _amount, uint _fee, 
    bytes _extraData) public returns (bool)
    {
        require(address(tokenPorter) != 0x0);
        return tokenPorter.export(msg.sender, _destChain, _destMetronomeAddr,
        _destRecipAddr, _amount, _fee, _extraData);
    }

subscribe keyboard_arrow_up

    function subscribe(uint _startTime, uint _payPerWeek, address _recipient) public returns (bool) {
        require(_startTime >= block.timestamp);
        require(_payPerWeek != 0);
        require(_recipient != 0);

        subs[msg.sender][_recipient] = Sub(_startTime, _payPerWeek, _startTime);  
        
        emit LogSubscription(msg.sender, _recipient);
        return true;
    }

cancelSubscription keyboard_arrow_up

    function cancelSubscription(address _recipient) public returns (bool) {
        require(subs[msg.sender][_recipient].startTime != 0);
        require(subs[msg.sender][_recipient].payPerWeek != 0);

        subs[msg.sender][_recipient].startTime = 0;
        subs[msg.sender][_recipient].payPerWeek = 0;
        subs[msg.sender][_recipient].lastWithdrawTime = 0;

        emit LogCancelSubscription(msg.sender, _recipient);
        return true;
    }

getSubscription keyboard_arrow_up

    function getSubscription(address _owner, address _recipient) public constant
        returns (uint startTime, uint payPerWeek, uint lastWithdrawTime) 
    {
        Sub storage sub = subs[_owner][_recipient];
        return (
            sub.startTime,
            sub.payPerWeek,
            sub.lastWithdrawTime
        );
    }

subWithdraw keyboard_arrow_up

    function subWithdraw(address _owner) public transferable returns (bool) {
        require(subWithdrawFor(_owner, msg.sender));
        return true;
    }

multiSubWithdraw keyboard_arrow_up

    function multiSubWithdraw(address[] _owners) public returns (uint) {
        uint n = 0;
        for (uint i=0; i < _owners.length; i++) {
            if (subWithdrawFor(_owners[i], msg.sender)) {
                n++;
            } 
        }
        return n;
    }

multiSubWithdrawFor keyboard_arrow_up

    function multiSubWithdrawFor(address[] _owners, address[] _recipients) public returns (uint) {
        // owners and recipients need 1-to-1 mapping, must be same length
        require(_owners.length == _recipients.length);

        uint n = 0;
        for (uint i = 0; i < _owners.length; i++) {
            if (subWithdrawFor(_owners[i], _recipients[i])) {
                n++;
            }
        }

        return n;
    }