Contract 0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade

 

TxHash Block Age From To Value [TxFee]
0x3c9802f94751aa65c5575b9dd606ff1817917b538c7b0a353443969fdbf9734c72465606 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000345
0x8f349271318ef8cc4fbaa78a19e0bc6f2cca0e76f92817cda0abd7657d0a2ebf72462781 hr 41 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000345
0x8d9282fb8e338fdbe84b5da5c0d26c1008a9363d28b7b8d5a801b358eec8760c72462781 hr 41 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.00062865
0x360dd95b31f154032e7a7e43bb58c5da2d65492fc14b39d9860c7360415e637572462281 hr 55 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000345
0x7b4bc86a99909f429c6223cc67589c4370021efafe4816ff875664dd055dca9572460542 hrs 51 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000345
0xca56f68a3074ac002c9fc119034c46da0468906c8330451a30ab585520ef8e7f72460013 hrs 10 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.00062865
0xda129ec5c5de8039a9808a4d219f15f25d0bd7fbc752a3be22ce86219505696772459133 hrs 37 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.00062929
0x911eb3a002ff205d3476163b3006a385aeaab3b2d5aed4158b80be1a339ea6ff72458374 hrs agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000459999999
0xcbc3162dddd295daceb35d5d6309aa38f0ac209213891ed65921b6637616c52672453896 hrs 36 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.00070341
0x3924ab8a71b994e34fe1fff92c4f3c996ae1d9c08b0f6200c7f6f70192e0020d72453766 hrs 43 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.0005175
0xaef4d3f8bf154d83a823e03814b01c03626062d1438816f080c116efc1c32c2172452387 hrs 28 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000943935
0x370aa056a15906db97d2b63958e157c90304520ee4bd71f2d6d1d015d6907db372451967 hrs 42 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.0005175
0xb324bb663a3be5275e052b0e741971fd34d3c8637633788acbb1c4556044f1c272450658 hrs 24 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.0005175
0xd5bb56d63de0a54f55761d49a6e6dcdce07c26ebd7b564db11bbb8a48c0d4f9972448419 hrs 43 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.0005175
0x7c9da83d7e68ec71a9d3524304ad302ab100dfc69a210f55136f128f65cd6605724468310 hrs 43 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000470925
0x7bd95d65a4857bc989d493e2b08ccbf3cdfd3416454ec3c84e7cefa94101ba30724464810 hrs 55 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.0004485
0xa11a0f2eb4de4405ecaca3db94084bb0501463ff2ec9097b5f10ec8569ec28c9724449411 hrs 49 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.0004485
0x2e134f7c3e847cf77dd2e81beb57cada3a4f2cddd80ce082eefdc147db2d9bff724441812 hrs 13 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000609622
0x3c66dec9167066ff5903f438da5ff0abdbc3a4ff4fc914f95e4b4d7c573a1871724440512 hrs 17 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000476125
0xc71f86f96369cc2b73cd9c1b98d95455af2dba0b57a913c7a291ed729f30f261724437212 hrs 28 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.0004485
0xecd4cbf9ce80c0f4ef58ae7c070f9c3543abd7603c01136d010cce3e5ebb7cd1724434112 hrs 38 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000414
0x61c57e6aab3d80220e4dca0e35be200ed0fec6674a9473104f120302c141aff1724427112 hrs 59 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.00039675
0x269ee224acf8b36dfa0902351fcb4fad741af60401792d2521fb54671b20bbd0724425713 hrs 6 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000562728
0x2a7c3fb26adf5d07639d694e14ce573460df7842ddaf7e7809d8d1bab1e297e4724424313 hrs 10 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000414
0x1d10306a6cb79458cefd08bb0a77b6a5d696faaf81f1dc93ddc5957592404e60724360716 hrs 51 mins agoGemini_1 IN  0x6704ba24b8640bccee6bf2fd276a6a1b8edf4ade0 Ether0.000345
[ Download CSV Export 

Internal Transactions as a result of Contract Execution

Parent TxHash Block Age From To Value
Warning: The compiled contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity), NestedArrayFunctionCallDecoder (medium-severity) Solidity Compiler Bugs.

Contract Source Code Verified (Exact Match)
Contract Name: ERC20Impl
Compiler Version: v0.4.21+commit.dfe3193c
Optimization Enabled: Yes
Runs (Optimizer):  200


Contract Source Code
pragma solidity ^0.4.21;

/** @title  A contract for generating unique identifiers
  *
  * @notice  A contract that provides a identifier generation scheme,
  * guaranteeing uniqueness across all contracts that inherit from it,
  * as well as unpredictability of future identifiers.
  *
  * @dev  This contract is intended to be inherited by any contract that
  * implements the callback software pattern for cooperative custodianship.
  *
  * @author  Gemini Trust Company, LLC
  */
contract LockRequestable {

    // MEMBERS
    /// @notice  the count of all invocations of `generateLockId`.
    uint256 public lockRequestCount;

    // CONSTRUCTOR
    function LockRequestable() public {
        lockRequestCount = 0;
    }

    // FUNCTIONS
    /** @notice  Returns a fresh unique identifier.
      *
      * @dev the generation scheme uses three components.
      * First, the blockhash of the previous block.
      * Second, the deployed address.
      * Third, the next value of the counter.
      * This ensure that identifiers are unique across all contracts
      * following this scheme, and that future identifiers are
      * unpredictable.
      *
      * @return a 32-byte unique identifier.
      */
    function generateLockId() internal returns (bytes32 lockId) {
        return keccak256(block.blockhash(block.number - 1), address(this), ++lockRequestCount);
    }
}


/** @title  A contract to inherit upgradeable custodianship.
  *
  * @notice  A contract that provides re-usable code for upgradeable
  * custodianship. That custodian may be an account or another contract.
  *
  * @dev  This contract is intended to be inherited by any contract
  * requiring a custodian to control some aspect of its functionality.
  * This contract provides the mechanism for that custodianship to be
  * passed from one custodian to the next.
  *
  * @author  Gemini Trust Company, LLC
  */
contract CustodianUpgradeable is LockRequestable {

    // TYPES
    /// @dev  The struct type for pending custodian changes.
    struct CustodianChangeRequest {
        address proposedNew;
    }

    // MEMBERS
    /// @dev  The address of the account or contract that acts as the custodian.
    address public custodian;

    /// @dev  The map of lock ids to pending custodian changes.
    mapping (bytes32 => CustodianChangeRequest) public custodianChangeReqs;

    // CONSTRUCTOR
    function CustodianUpgradeable(
        address _custodian
    )
      LockRequestable()
      public
    {
        custodian = _custodian;
    }

    // MODIFIERS
    modifier onlyCustodian {
        require(msg.sender == custodian);
        _;
    }

    // PUBLIC FUNCTIONS
    // (UPGRADE)

    /** @notice  Requests a change of the custodian associated with this contract.
      *
      * @dev  Returns a unique lock id associated with the request.
      * Anyone can call this function, but confirming the request is authorized
      * by the custodian.
      *
      * @param  _proposedCustodian  The address of the new custodian.
      * @return  lockId  A unique identifier for this request.
      */
    function requestCustodianChange(address _proposedCustodian) public returns (bytes32 lockId) {
        require(_proposedCustodian != address(0));

        lockId = generateLockId();

        custodianChangeReqs[lockId] = CustodianChangeRequest({
            proposedNew: _proposedCustodian
        });

        emit CustodianChangeRequested(lockId, msg.sender, _proposedCustodian);
    }

    /** @notice  Confirms a pending change of the custodian associated with this contract.
      *
      * @dev  When called by the current custodian with a lock id associated with a
      * pending custodian change, the `address custodian` member will be updated with the
      * requested address.
      *
      * @param  _lockId  The identifier of a pending change request.
      */
    function confirmCustodianChange(bytes32 _lockId) public onlyCustodian {
        custodian = getCustodianChangeReq(_lockId);

        delete custodianChangeReqs[_lockId];

        emit CustodianChangeConfirmed(_lockId, custodian);
    }

    // PRIVATE FUNCTIONS
    function getCustodianChangeReq(bytes32 _lockId) private view returns (address _proposedNew) {
        CustodianChangeRequest storage changeRequest = custodianChangeReqs[_lockId];

        // reject ‘null’ results from the map lookup
        // this can only be the case if an unknown `_lockId` is received
        require(changeRequest.proposedNew != 0);

        return changeRequest.proposedNew;
    }

    /// @dev  Emitted by successful `requestCustodianChange` calls.
    event CustodianChangeRequested(
        bytes32 _lockId,
        address _msgSender,
        address _proposedCustodian
    );

    /// @dev Emitted by successful `confirmCustodianChange` calls.
    event CustodianChangeConfirmed(bytes32 _lockId, address _newCustodian);
}


/** @title  A contract to inherit upgradeable token implementations.
  *
  * @notice  A contract that provides re-usable code for upgradeable
  * token implementations. It itself inherits from `CustodianUpgradable`
  * as the upgrade process is controlled by the custodian.
  *
  * @dev  This contract is intended to be inherited by any contract
  * requiring a reference to the active token implementation, either
  * to delegate calls to it, or authorize calls from it. This contract
  * provides the mechanism for that implementation to be be replaced,
  * which constitutes an implementation upgrade.
  *
  * @author Gemini Trust Company, LLC
  */
contract ERC20ImplUpgradeable is CustodianUpgradeable  {

    // TYPES
    /// @dev  The struct type for pending implementation changes.
    struct ImplChangeRequest {
        address proposedNew;
    }

    // MEMBERS
    // @dev  The reference to the active token implementation.
    ERC20Impl public erc20Impl;

    /// @dev  The map of lock ids to pending implementation changes.
    mapping (bytes32 => ImplChangeRequest) public implChangeReqs;

    // CONSTRUCTOR
    function ERC20ImplUpgradeable(address _custodian) CustodianUpgradeable(_custodian) public {
        erc20Impl = ERC20Impl(0x0);
    }

    // MODIFIERS
    modifier onlyImpl {
        require(msg.sender == address(erc20Impl));
        _;
    }

    // PUBLIC FUNCTIONS
    // (UPGRADE)
    /** @notice  Requests a change of the active implementation associated
      * with this contract.
      *
      * @dev  Returns a unique lock id associated with the request.
      * Anyone can call this function, but confirming the request is authorized
      * by the custodian.
      *
      * @param  _proposedImpl  The address of the new active implementation.
      * @return  lockId  A unique identifier for this request.
      */
    function requestImplChange(address _proposedImpl) public returns (bytes32 lockId) {
        require(_proposedImpl != address(0));

        lockId = generateLockId();

        implChangeReqs[lockId] = ImplChangeRequest({
            proposedNew: _proposedImpl
        });

        emit ImplChangeRequested(lockId, msg.sender, _proposedImpl);
    }

    /** @notice  Confirms a pending change of the active implementation
      * associated with this contract.
      *
      * @dev  When called by the custodian with a lock id associated with a
      * pending change, the `ERC20Impl erc20Impl` member will be updated
      * with the requested address.
      *
      * @param  _lockId  The identifier of a pending change request.
      */
    function confirmImplChange(bytes32 _lockId) public onlyCustodian {
        erc20Impl = getImplChangeReq(_lockId);

        delete implChangeReqs[_lockId];

        emit ImplChangeConfirmed(_lockId, address(erc20Impl));
    }

    // PRIVATE FUNCTIONS
    function getImplChangeReq(bytes32 _lockId) private view returns (ERC20Impl _proposedNew) {
        ImplChangeRequest storage changeRequest = implChangeReqs[_lockId];

        // reject ‘null’ results from the map lookup
        // this can only be the case if an unknown `_lockId` is received
        require(changeRequest.proposedNew != address(0));

        return ERC20Impl(changeRequest.proposedNew);
    }

    /// @dev  Emitted by successful `requestImplChange` calls.
    event ImplChangeRequested(
        bytes32 _lockId,
        address _msgSender,
        address _proposedImpl
    );

    /// @dev Emitted by successful `confirmImplChange` calls.
    event ImplChangeConfirmed(bytes32 _lockId, address _newImpl);
}


contract ERC20Interface {
  // METHODS

  // NOTE:
  //   public getter functions are not currently recognised as an
  //   implementation of the matching abstract function by the compiler.

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#name
  // function name() public view returns (string);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#symbol
  // function symbol() public view returns (string);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#totalsupply
  // function decimals() public view returns (uint8);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#totalsupply
  function totalSupply() public view returns (uint256);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#balanceof
  function balanceOf(address _owner) public view returns (uint256 balance);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#transfer
  function transfer(address _to, uint256 _value) public returns (bool success);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#transferfrom
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#approve
  function approve(address _spender, uint256 _value) public returns (bool success);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#allowance
  function allowance(address _owner, address _spender) public view returns (uint256 remaining);

  // EVENTS
  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#transfer-1
  event Transfer(address indexed _from, address indexed _to, uint256 _value);

  // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md#approval
  event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}


/** @title  Public interface to ERC20 compliant token.
  *
  * @notice  This contract is a permanent entry point to an ERC20 compliant
  * system of contracts.
  *
  * @dev  This contract contains no business logic and instead
  * delegates to an instance of ERC20Impl. This contract also has no storage
  * that constitutes the operational state of the token. This contract is
  * upgradeable in the sense that the `custodian` can update the
  * `erc20Impl` address, thus redirecting the delegation of business logic.
  * The `custodian` is also authorized to pass custodianship.
  *
  * @author  Gemini Trust Company, LLC
  */
contract ERC20Proxy is ERC20Interface, ERC20ImplUpgradeable {

    // MEMBERS
    /// @notice  Returns the name of the token.
    string public name;

    /// @notice  Returns the symbol of the token.
    string public symbol;

    /// @notice  Returns the number of decimals the token uses.
    uint8 public decimals;

    // CONSTRUCTOR
    function ERC20Proxy(
        string _name,
        string _symbol,
        uint8 _decimals,
        address _custodian
    )
        ERC20ImplUpgradeable(_custodian)
        public
    {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
    }

    // PUBLIC FUNCTIONS
    // (ERC20Interface)
    /** @notice  Returns the total token supply.
      *
      * @return  the total token supply.
      */
    function totalSupply() public view returns (uint256) {
        return erc20Impl.totalSupply();
    }

    /** @notice  Returns the account balance of another account with address
      * `_owner`.
      *
      * @return  balance  the balance of account with address `_owner`.
      */
    function balanceOf(address _owner) public view returns (uint256 balance) {
        return erc20Impl.balanceOf(_owner);
    }

    /** @dev Internal use only.
      */
    function emitTransfer(address _from, address _to, uint256 _value) public onlyImpl {
        emit Transfer(_from, _to, _value);
    }

    /** @notice  Transfers `_value` amount of tokens to address `_to`.
      *
      * @dev Will fire the `Transfer` event. Will revert if the `_from`
      * account balance does not have enough tokens to spend.
      *
      * @return  success  true if transfer completes.
      */
    function transfer(address _to, uint256 _value) public returns (bool success) {
        return erc20Impl.transferWithSender(msg.sender, _to, _value);
    }

    /** @notice  Transfers `_value` amount of tokens from address `_from`
      * to address `_to`.
      *
      * @dev  Will fire the `Transfer` event. Will revert unless the `_from`
      * account has deliberately authorized the sender of the message
      * via some mechanism.
      *
      * @return  success  true if transfer completes.
      */
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        return erc20Impl.transferFromWithSender(msg.sender, _from, _to, _value);
    }

    /** @dev Internal use only.
      */
    function emitApproval(address _owner, address _spender, uint256 _value) public onlyImpl {
        emit Approval(_owner, _spender, _value);
    }

    /** @notice  Allows `_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.
      *
      * @dev  Will fire the `Approval` event.
      *
      * @return  success  true if approval completes.
      */
    function approve(address _spender, uint256 _value) public returns (bool success) {
        return erc20Impl.approveWithSender(msg.sender, _spender, _value);
    }

    /** @notice Increases the amount `_spender` is allowed to withdraw from
      * your account.
      * This function is implemented to avoid the race condition in standard
      * ERC20 contracts surrounding the `approve` method.
      *
      * @dev  Will fire the `Approval` event. This function should be used instead of
      * `approve`.
      *
      * @return  success  true if approval completes.
      */
    function increaseApproval(address _spender, uint256 _addedValue) public returns (bool success) {
        return erc20Impl.increaseApprovalWithSender(msg.sender, _spender, _addedValue);
    }

    /** @notice  Decreases the amount `_spender` is allowed to withdraw from
      * your account. This function is implemented to avoid the race
      * condition in standard ERC20 contracts surrounding the `approve` method.
      *
      * @dev  Will fire the `Approval` event. This function should be used
      * instead of `approve`.
      *
      * @return  success  true if approval completes.
      */
    function decreaseApproval(address _spender, uint256 _subtractedValue) public returns (bool success) {
        return erc20Impl.decreaseApprovalWithSender(msg.sender, _spender, _subtractedValue);
    }

    /** @notice  Returns how much `_spender` is currently allowed to spend from
      * `_owner`'s balance.
      *
      * @return  remaining  the remaining allowance.
      */
    function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
        return erc20Impl.allowance(_owner, _spender);
    }
}


/** @title  ERC20 compliant token intermediary contract holding core logic.
  *
  * @notice  This contract serves as an intermediary between the exposed ERC20
  * interface in ERC20Proxy and the store of balances in ERC20Store. This
  * contract contains core logic that the proxy can delegate to
  * and that the store is called by.
  *
  * @dev  This contract contains the core logic to implement the
  * ERC20 specification as well as several extensions.
  * 1. Changes to the token supply.
  * 2. Batched transfers.
  * 3. Relative changes to spending approvals.
  * 4. Delegated transfer control ('sweeping').
  *
  * @author  Gemini Trust Company, LLC
  */
contract ERC20Impl is CustodianUpgradeable {

    // TYPES
    /// @dev  The struct type for pending increases to the token supply (print).
    struct PendingPrint {
        address receiver;
        uint256 value;
    }

    // MEMBERS
    /// @dev  The reference to the proxy.
    ERC20Proxy public erc20Proxy;

    /// @dev  The reference to the store.
    ERC20Store public erc20Store;

    /// @dev  The sole authorized caller of delegated transfer control ('sweeping').
    address public sweeper;

    /** @dev  The static message to be signed by an external account that
      * signifies their permission to forward their balance to any arbitrary
      * address. This is used to consolidate the control of all accounts
      * backed by a shared keychain into the control of a single key.
      * Initialized as the concatenation of the address of this contract
      * and the word "sweep". This concatenation is done to prevent a replay
      * attack in a subsequent contract, where the sweep message could
      * potentially be replayed to re-enable sweeping ability.
      */
    bytes32 public sweepMsg;

    /** @dev  The mapping that stores whether the address in question has
      * enabled sweeping its contents to another account or not.
      * If an address maps to "true", it has already enabled sweeping,
      * and thus does not need to re-sign the `sweepMsg` to enact the sweep.
      */
    mapping (address => bool) public sweptSet;

    /// @dev  The map of lock ids to pending token increases.
    mapping (bytes32 => PendingPrint) public pendingPrintMap;

    // CONSTRUCTOR
    function ERC20Impl(
          address _erc20Proxy,
          address _erc20Store,
          address _custodian,
          address _sweeper
    )
        CustodianUpgradeable(_custodian)
        public
    {
        require(_sweeper != 0);
        erc20Proxy = ERC20Proxy(_erc20Proxy);
        erc20Store = ERC20Store(_erc20Store);

        sweeper = _sweeper;
        sweepMsg = keccak256(address(this), "sweep");
    }

    // MODIFIERS
    modifier onlyProxy {
        require(msg.sender == address(erc20Proxy));
        _;
    }
    modifier onlySweeper {
        require(msg.sender == sweeper);
        _;
    }


    /** @notice  Core logic of the ERC20 `approve` function.
      *
      * @dev  This function can only be called by the referenced proxy,
      * which has an `approve` function.
      * Every argument passed to that function as well as the original
      * `msg.sender` gets passed to this function.
      * NOTE: approvals for the zero address (unspendable) are disallowed.
      *
      * @param  _sender  The address initiating the approval in proxy.
      */
    function approveWithSender(
        address _sender,
        address _spender,
        uint256 _value
    )
        public
        onlyProxy
        returns (bool success)
    {
        require(_spender != address(0)); // disallow unspendable approvals
        erc20Store.setAllowance(_sender, _spender, _value);
        erc20Proxy.emitApproval(_sender, _spender, _value);
        return true;
    }

    /** @notice  Core logic of the `increaseApproval` function.
      *
      * @dev  This function can only be called by the referenced proxy,
      * which has an `increaseApproval` function.
      * Every argument passed to that function as well as the original
      * `msg.sender` gets passed to this function.
      * NOTE: approvals for the zero address (unspendable) are disallowed.
      *
      * @param  _sender  The address initiating the approval.
      */
    function increaseApprovalWithSender(
        address _sender,
        address _spender,
        uint256 _addedValue
    )
        public
        onlyProxy
        returns (bool success)
    {
        require(_spender != address(0)); // disallow unspendable approvals
        uint256 currentAllowance = erc20Store.allowed(_sender, _spender);
        uint256 newAllowance = currentAllowance + _addedValue;

        require(newAllowance >= currentAllowance);

        erc20Store.setAllowance(_sender, _spender, newAllowance);
        erc20Proxy.emitApproval(_sender, _spender, newAllowance);
        return true;
    }

    /** @notice  Core logic of the `decreaseApproval` function.
      *
      * @dev  This function can only be called by the referenced proxy,
      * which has a `decreaseApproval` function.
      * Every argument passed to that function as well as the original
      * `msg.sender` gets passed to this function.
      * NOTE: approvals for the zero address (unspendable) are disallowed.
      *
      * @param  _sender  The address initiating the approval.
      */
    function decreaseApprovalWithSender(
        address _sender,
        address _spender,
        uint256 _subtractedValue
    )
        public
        onlyProxy
        returns (bool success)
    {
        require(_spender != address(0)); // disallow unspendable approvals
        uint256 currentAllowance = erc20Store.allowed(_sender, _spender);
        uint256 newAllowance = currentAllowance - _subtractedValue;

        require(newAllowance <= currentAllowance);

        erc20Store.setAllowance(_sender, _spender, newAllowance);
        erc20Proxy.emitApproval(_sender, _spender, newAllowance);
        return true;
    }

    /** @notice  Requests an increase in the token supply, with the newly created
      * tokens to be added to the balance of the specified account.
      *
      * @dev  Returns a unique lock id associated with the request.
      * Anyone can call this function, but confirming the request is authorized
      * by the custodian.
      * NOTE: printing to the zero address is disallowed.
      *
      * @param  _receiver  The receiving address of the print, if confirmed.
      * @param  _value  The number of tokens to add to the total supply and the
      * balance of the receiving address, if confirmed.
      *
      * @return  lockId  A unique identifier for this request.
      */
    function requestPrint(address _receiver, uint256 _value) public returns (bytes32 lockId) {
        require(_receiver != address(0));

        lockId = generateLockId();

        pendingPrintMap[lockId] = PendingPrint({
            receiver: _receiver,
            value: _value
        });

        emit PrintingLocked(lockId, _receiver, _value);
    }

    /** @notice  Confirms a pending increase in the token supply.
      *
      * @dev  When called by the custodian with a lock id associated with a
      * pending increase, the amount requested to be printed in the print request
      * is printed to the receiving address specified in that same request.
      * NOTE: this function will not execute any print that would overflow the
      * total supply, but it will not revert either.
      *
      * @param  _lockId  The identifier of a pending print request.
      */
    function confirmPrint(bytes32 _lockId) public onlyCustodian {
        PendingPrint storage print = pendingPrintMap[_lockId];

        // reject ‘null’ results from the map lookup
        // this can only be the case if an unknown `_lockId` is received
        address receiver = print.receiver;
        require (receiver != address(0));
        uint256 value = print.value;

        delete pendingPrintMap[_lockId];

        uint256 supply = erc20Store.totalSupply();
        uint256 newSupply = supply + value;
        if (newSupply >= supply) {
          erc20Store.setTotalSupply(newSupply);
          erc20Store.addBalance(receiver, value);

          emit PrintingConfirmed(_lockId, receiver, value);
          erc20Proxy.emitTransfer(address(0), receiver, value);
        }
    }

    /** @notice  Burns the specified value from the sender's balance.
      *
      * @dev  Sender's balanced is subtracted by the amount they wish to burn.
      *
      * @param  _value  The amount to burn.
      *
      * @return  success  true if the burn succeeded.
      */
    function burn(uint256 _value) public returns (bool success) {
        uint256 balanceOfSender = erc20Store.balances(msg.sender);
        require(_value <= balanceOfSender);

        erc20Store.setBalance(msg.sender, balanceOfSender - _value);
        erc20Store.setTotalSupply(erc20Store.totalSupply() - _value);

        erc20Proxy.emitTransfer(msg.sender, address(0), _value);

        return true;
    }

    /** @notice  A function for a sender to issue multiple transfers to multiple
      * different addresses at once. This function is implemented for gas
      * considerations when someone wishes to transfer, as one transaction is
      * cheaper than issuing several distinct individual `transfer` transactions.
      *
      * @dev  By specifying a set of destination addresses and values, the
      * sender can issue one transaction to transfer multiple amounts to
      * distinct addresses, rather than issuing each as a separate
      * transaction. The `_tos` and `_values` arrays must be equal length, and
      * an index in one array corresponds to the same index in the other array
      * (e.g. `_tos[0]` will receive `_values[0]`, `_tos[1]` will receive
      * `_values[1]`, and so on.)
      * NOTE: transfers to the zero address are disallowed.
      *
      * @param  _tos  The destination addresses to receive the transfers.
      * @param  _values  The values for each destination address.
      * @return  success  If transfers succeeded.
      */
    function batchTransfer(address[] _tos, uint256[] _values) public returns (bool success) {
        require(_tos.length == _values.length);

        uint256 numTransfers = _tos.length;
        uint256 senderBalance = erc20Store.balances(msg.sender);

        for (uint256 i = 0; i < numTransfers; i++) {
          address to = _tos[i];
          require(to != address(0));
          uint256 v = _values[i];
          require(senderBalance >= v);

          if (msg.sender != to) {
            senderBalance -= v;
            erc20Store.addBalance(to, v);
          }
          erc20Proxy.emitTransfer(msg.sender, to, v);
        }

        erc20Store.setBalance(msg.sender, senderBalance);

        return true;
    }

    /** @notice  Enables the delegation of transfer control for many
      * accounts to the sweeper account, transferring any balances
      * as well to the given destination.
      *
      * @dev  An account delegates transfer control by signing the
      * value of `sweepMsg`. The sweeper account is the only authorized
      * caller of this function, so it must relay signatures on behalf
      * of accounts that delegate transfer control to it. Enabling
      * delegation is idempotent and permanent. If the account has a
      * balance at the time of enabling delegation, its balance is
      * also transfered to the given destination account `_to`.
      * NOTE: transfers to the zero address are disallowed.
      *
      * @param  _vs  The array of recovery byte components of the ECDSA signatures.
      * @param  _rs  The array of 'R' components of the ECDSA signatures.
      * @param  _ss  The array of 'S' components of the ECDSA signatures.
      * @param  _to  The destination for swept balances.
      */
    function enableSweep(uint8[] _vs, bytes32[] _rs, bytes32[] _ss, address _to) public onlySweeper {
        require(_to != address(0));
        require((_vs.length == _rs.length) && (_vs.length == _ss.length));

        uint256 numSignatures = _vs.length;
        uint256 sweptBalance = 0;

        for (uint256 i=0; i<numSignatures; ++i) {
          address from = ecrecover(sweepMsg, _vs[i], _rs[i], _ss[i]);

          // ecrecover returns 0 on malformed input
          if (from != address(0)) {
            sweptSet[from] = true;

            uint256 fromBalance = erc20Store.balances(from);

            if (fromBalance > 0) {
              sweptBalance += fromBalance;

              erc20Store.setBalance(from, 0);

              erc20Proxy.emitTransfer(from, _to, fromBalance);
            }
          }
        }

        if (sweptBalance > 0) {
          erc20Store.addBalance(_to, sweptBalance);
        }
    }

    /** @notice  For accounts that have delegated, transfer control
      * to the sweeper, this function transfers their balances to the given
      * destination.
      *
      * @dev The sweeper account is the only authorized caller of
      * this function. This function accepts an array of addresses to have their
      * balances transferred for gas efficiency purposes.
      * NOTE: any address for an account that has not been previously enabled
      * will be ignored.
      * NOTE: transfers to the zero address are disallowed.
      *
      * @param  _froms  The addresses to have their balances swept.
      * @param  _to  The destination address of all these transfers.
      */
    function replaySweep(address[] _froms, address _to) public onlySweeper {
        require(_to != address(0));
        uint256 lenFroms = _froms.length;
        uint256 sweptBalance = 0;

        for (uint256 i=0; i<lenFroms; ++i) {
            address from = _froms[i];

            if (sweptSet[from]) {
                uint256 fromBalance = erc20Store.balances(from);

                if (fromBalance > 0) {
                    sweptBalance += fromBalance;

                    erc20Store.setBalance(from, 0);

                    erc20Proxy.emitTransfer(from, _to, fromBalance);
                }
            }
        }

        if (sweptBalance > 0) {
            erc20Store.addBalance(_to, sweptBalance);
        }
    }

    /** @notice  Core logic of the ERC20 `transferFrom` function.
      *
      * @dev  This function can only be called by the referenced proxy,
      * which has a `transferFrom` function.
      * Every argument passed to that function as well as the original
      * `msg.sender` gets passed to this function.
      * NOTE: transfers to the zero address are disallowed.
      *
      * @param  _sender  The address initiating the transfer in proxy.
      */
    function transferFromWithSender(
        address _sender,
        address _from,
        address _to,
        uint256 _value
    )
        public
        onlyProxy
        returns (bool success)
    {
        require(_to != address(0)); // ensure burn is the cannonical transfer to 0x0

        uint256 balanceOfFrom = erc20Store.balances(_from);
        require(_value <= balanceOfFrom);

        uint256 senderAllowance = erc20Store.allowed(_from, _sender);
        require(_value <= senderAllowance);

        erc20Store.setBalance(_from, balanceOfFrom - _value);
        erc20Store.addBalance(_to, _value);

        erc20Store.setAllowance(_from, _sender, senderAllowance - _value);

        erc20Proxy.emitTransfer(_from, _to, _value);

        return true;
    }

    /** @notice  Core logic of the ERC20 `transfer` function.
      *
      * @dev  This function can only be called by the referenced proxy,
      * which has a `transfer` function.
      * Every argument passed to that function as well as the original
      * `msg.sender` gets passed to this function.
      * NOTE: transfers to the zero address are disallowed.
      *
      * @param  _sender  The address initiating the transfer in proxy.
      */
    function transferWithSender(
        address _sender,
        address _to,
        uint256 _value
    )
        public
        onlyProxy
        returns (bool success)
    {
        require(_to != address(0)); // ensure burn is the cannonical transfer to 0x0

        uint256 balanceOfSender = erc20Store.balances(_sender);
        require(_value <= balanceOfSender);

        erc20Store.setBalance(_sender, balanceOfSender - _value);
        erc20Store.addBalance(_to, _value);

        erc20Proxy.emitTransfer(_sender, _to, _value);

        return true;
    }

    // METHODS (ERC20 sub interface impl.)
    /// @notice  Core logic of the ERC20 `totalSupply` function.
    function totalSupply() public view returns (uint256) {
        return erc20Store.totalSupply();
    }

    /// @notice  Core logic of the ERC20 `balanceOf` function.
    function balanceOf(address _owner) public view returns (uint256 balance) {
        return erc20Store.balances(_owner);
    }

    /// @notice  Core logic of the ERC20 `allowance` function.
    function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
        return erc20Store.allowed(_owner, _spender);
    }

    // EVENTS
    /// @dev  Emitted by successful `requestPrint` calls.
    event PrintingLocked(bytes32 _lockId, address _receiver, uint256 _value);
    /// @dev Emitted by successful `confirmPrint` calls.
    event PrintingConfirmed(bytes32 _lockId, address _receiver, uint256 _value);
}


/** @title  ERC20 compliant token balance store.
  *
  * @notice  This contract serves as the store of balances, allowances, and
  * supply for the ERC20 compliant token. No business logic exists here.
  *
  * @dev  This contract contains no business logic and instead
  * is the final destination for any change in balances, allowances, or token
  * supply. This contract is upgradeable in the sense that its custodian can
  * update the `erc20Impl` address, thus redirecting the source of logic that
  * determines how the balances will be updated.
  *
  * @author  Gemini Trust Company, LLC
  */
contract ERC20Store is ERC20ImplUpgradeable {

    // MEMBERS
    /// @dev  The total token supply.
    uint256 public totalSupply;

    /// @dev  The mapping of balances.
    mapping (address => uint256) public balances;

    /// @dev  The mapping of allowances.
    mapping (address => mapping (address => uint256)) public allowed;

    // CONSTRUCTOR
    function ERC20Store(address _custodian) ERC20ImplUpgradeable(_custodian) public {
        totalSupply = 0;
    }


    // PUBLIC FUNCTIONS
    // (ERC20 Ledger)

    /** @notice  The function to set the total supply of tokens.
      *
      * @dev  Intended for use by token implementation functions
      * that update the total supply. The only authorized caller
      * is the active implementation.
      *
      * @param _newTotalSupply the value to set as the new total supply
      */
    function setTotalSupply(
        uint256 _newTotalSupply
    )
        public
        onlyImpl
    {
        totalSupply = _newTotalSupply;
    }

    /** @notice  Sets how much `_owner` allows `_spender` to transfer on behalf
      * of `_owner`.
      *
      * @dev  Intended for use by token implementation functions
      * that update spending allowances. The only authorized caller
      * is the active implementation.
      *
      * @param  _owner  The account that will allow an on-behalf-of spend.
      * @param  _spender  The account that will spend on behalf of the owner.
      * @param  _value  The limit of what can be spent.
      */
    function setAllowance(
        address _owner,
        address _spender,
        uint256 _value
    )
        public
        onlyImpl
    {
        allowed[_owner][_spender] = _value;
    }

    /** @notice  Sets the balance of `_owner` to `_newBalance`.
      *
      * @dev  Intended for use by token implementation functions
      * that update balances. The only authorized caller
      * is the active implementation.
      *
      * @param  _owner  The account that will hold a new balance.
      * @param  _newBalance  The balance to set.
      */
    function setBalance(
        address _owner,
        uint256 _newBalance
    )
        public
        onlyImpl
    {
        balances[_owner] = _newBalance;
    }

    /** @notice Adds `_balanceIncrease` to `_owner`'s balance.
      *
      * @dev  Intended for use by token implementation functions
      * that update balances. The only authorized caller
      * is the active implementation.
      * WARNING: the caller is responsible for preventing overflow.
      *
      * @param  _owner  The account that will hold a new balance.
      * @param  _balanceIncrease  The balance to add.
      */
    function addBalance(
        address _owner,
        uint256 _balanceIncrease
    )
        public
        onlyImpl
    {
        balances[_owner] = balances[_owner] + _balanceIncrease;
    }
}

Contract ABI
[{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"pendingPrintMap","outputs":[{"name":"receiver","type":"address"},{"name":"value","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_proposedCustodian","type":"address"}],"name":"requestCustodianChange","outputs":[{"name":"lockId","type":"bytes32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_sender","type":"address"},{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApprovalWithSender","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"custodian","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_lockId","type":"bytes32"}],"name":"confirmPrint","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_lockId","type":"bytes32"}],"name":"confirmCustodianChange","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_sender","type":"address"},{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFromWithSender","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_sender","type":"address"},{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApprovalWithSender","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"erc20Proxy","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_tos","type":"address[]"},{"name":"_values","type":"uint256[]"}],"name":"batchTransfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_sender","type":"address"},{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approveWithSender","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"sweeper","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_vs","type":"uint8[]"},{"name":"_rs","type":"bytes32[]"},{"name":"_ss","type":"bytes32[]"},{"name":"_to","type":"address"}],"name":"enableSweep","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_receiver","type":"address"},{"name":"_value","type":"uint256"}],"name":"requestPrint","outputs":[{"name":"lockId","type":"bytes32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"lockRequestCount","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"custodianChangeReqs","outputs":[{"name":"proposedNew","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"sweepMsg","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_sender","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferWithSender","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"sweptSet","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_froms","type":"address[]"},{"name":"_to","type":"address"}],"name":"replaySweep","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"erc20Store","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_erc20Proxy","type":"address"},{"name":"_erc20Store","type":"address"},{"name":"_custodian","type":"address"},{"name":"_sweeper","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_lockId","type":"bytes32"},{"indexed":false,"name":"_receiver","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"PrintingLocked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_lockId","type":"bytes32"},{"indexed":false,"name":"_receiver","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"PrintingConfirmed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_lockId","type":"bytes32"},{"indexed":false,"name":"_msgSender","type":"address"},{"indexed":false,"name":"_proposedCustodian","type":"address"}],"name":"CustodianChangeRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_lockId","type":"bytes32"},{"indexed":false,"name":"_newCustodian","type":"address"}],"name":"CustodianChangeConfirmed","type":"event"}]

Contract Creation Code
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


    Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000056fd409e1d7a124bd7017459dfea2f387b6d5cd000000000000000000000000c42b14e49744538e3c239f8ae48a1eaaf35e68a0000000000000000000000000dffc66191baf5047866033d2fe400907af4038a8000000000000000000000000d24400ae8bfebb18ca49be86258a3c749cf46853

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000056fd409e1d7a124bd7017459dfea2f387b6d5cd
Arg [1] : 000000000000000000000000c42b14e49744538e3c239f8ae48a1eaaf35e68a0
Arg [2] : 000000000000000000000000dffc66191baf5047866033d2fe400907af4038a8
Arg [3] : 000000000000000000000000d24400ae8bfebb18ca49be86258a3c749cf46853


   Swarm Source:
bzzr://bb3d79ad80497ce403b23be2406a462aecf8911032b9bc5d433691332b9b2e81
Block Age transaction Difficulty GasUsed Reward
Block Age Uncle Number Difficulty GasUsed Reward
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.