Contract Overview |  FundRequest
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Transactions: 6534 txns
Token Tracker: FundRequest (FND)
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Contract Creator: 0x0020d8f4052358ee01ef8d4164e5c97c95744235at txn 0x6b2b067e4325a34afb2f51178b6d2a2a90277babd39d85de17baa4e70d3e7c77
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 Latest 25 transactions from a total of 6534 transactions

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0xddbcccf0a9bf24db0bd604aeeda71fd40a30cf6fe73e3d3c0368d1556be39c572 hrs 46 mins ago0xb822c4a34d3f01f05aa4c654d2f1b72208ff5d7e  IN   FundRequest0 Ether0.001167012
0xcfc5fbba5656e6e052f1c3bb90a7e9d917a6211acad90714505f2b4ed19f6a0b3 hrs 21 mins ago0xb822c4a34d3f01f05aa4c654d2f1b72208ff5d7e  IN   FundRequest0 Ether0.004632558
0xb6148b2cbc3aa2cc84dad87e48f52164f7bfda9b94d01912eb927e739c130c251 day 11 hrs ago0xeada1ba8f7d387bf2ec55f9894fd513c20a5f61f  IN   FundRequest0 Ether0.00196536
0xfb9b1b51f69c0fdfca2449d9f79563da3281224d0fc431f3dc7e367c1cd253b51 day 16 hrs agoCoinbene  IN   FundRequest0 Ether0.00196536
0x943ac214dd8737112c501fa8aa4e59d99b09f1f50987af46e633b81f58088cd51 day 18 hrs ago0x4002764827135b132cd363c7bbbc7f1c87100e21  IN   FundRequest0 Ether0.000295188
0x43accd87c75b57faa2db3e4d83cb801f2af88d5048e57910a4db72ea34ecd4682 days 3 hrs ago0xccfa388a36c36a8bd4ad504236dda9a3536583ab  IN   FundRequest0 Ether0.00036995952
0xe7fe598bd40ecc10508c1a5b03a35011e40915ba4b061fa68f1f62a162c9abf62 days 16 hrs ago0x34ab0a4157a17fc51583603f7a63a708818fd95a  IN   FundRequest0 Ether0.00220342
0xa06f1e00572d0b624aa2b8f91320b73be90d5459c19debcaf2d0fa718e1013884 days 7 hrs agoCoinbene  IN   FundRequest0 Ether0.00220342
0xcc9dbe2a1f32ef3b18324a24dfade6175524659f79b4a63a9dff4b141f4b10956 days 15 mins agoCoinbene  IN   FundRequest0 Ether0.00196536
0x41ae832d33346fd88d482e4a4b1428cc3c8552bc44fd78c8153901c0b114e5416 days 23 hrs ago0x1d8515e9787406c5bcd521249f8a5df78801f294  IN   FundRequest0 Ether0.000196792
0x4fe16300e66f846008b03bfef20b18c3233da242145a369feaba4f2a310b0c017 days 14 hrs ago0xa7b835c34a656309973b99181a8a3ed84d0e588b  IN   FundRequest0 Ether0.000234945
0x01e153c45ce2b72bbe97238721064cfdc70df35f44a7a9f280f8613f78e6b7577 days 15 hrs agoCoinbene  IN   FundRequest0 Ether0.00196536
0xdb261f7abadb5e38b2307c299667ff4b703e44f36c7e854c5e4cacbcf70b60dc7 days 18 hrs ago0x663227cb583d27f1685002ed2418e011b5145cd9  IN   FundRequest0 Ether0.0000516175
0x624ecc302a7deec021695cbe8e0f8dc36326c26009a87ca95f7cbd21fc613b0d7 days 19 hrs agoCoinbene  IN   FundRequest0 Ether0.00196536
0xd0d0030b2d2242f7384f0b555ee9c228407211b94357897e7772bf6ab0b44ed37 days 21 hrs agoCoinbene  IN   FundRequest0 Ether0.00196408
0xd3e72fde5c08090091b9957aa34e9bcace948dbfaeaaf67000f9e554b823546b8 days 1 hr ago0x144955b0893548705d7f00fa941484fc9df013e3  IN   FundRequest0 Ether0.00196536
0x45a81455d876a2aa9d8d9d20c80412f259462ae0b01da8a47d4f7a3c6d8323c48 days 18 hrs ago0xddd9e51dd823f9043476bb4f5985cd78ada628c8  IN   FundRequest0 Ether0.00196664
0xb603c8c06d7e8823c3f5de180922b1175263e4b26a8ef7bd697f0516988318579 days 5 hrs ago0x27409fabd8c48a2087281d043ebd06267a7ca655  IN   FundRequest0 Ether0.00220214
0x5e826d61f6352809a75d42f21ce11e883249dc1c6f6514243973ea4ef33da7bb10 days 6 hrs ago0x8dda64aff22d119503019f0113cb6ad2197edc71  IN   FundRequest0 Ether0.0003637755
0xead824e282062f11bb6cd82fabdd023e1a9ff4387d5c77d484c2558afe96c7e010 days 9 hrs ago0x13d51a219064cbd8edc415367ee3ec5ffa840d44  IN   FundRequest0 Ether0.004514387
0x3bba83739efed2381071855b8989a14ee50ccc5cdd1b761b7f42689da1a428e410 days 19 hrs ago0xad771b7ad5f67acf4258dc8fb147de715cd4d993  IN   FundRequest0 Ether0.000735
0xe4f84e9e49070c28d69228ed9abc1eff46b27b71988987c64b6f118a07a8bbc010 days 19 hrs ago0xad771b7ad5f67acf4258dc8fb147de715cd4d993  IN   FundRequest0 Ether0.00045375
0xfc838efb0cfed9a94f4dafbfa9de9fb3b66e5b9dd170dd3b1d55e208a210d06d11 days 1 hr ago0xad771b7ad5f67acf4258dc8fb147de715cd4d993  IN   FundRequest0 Ether0.0006225
0x741c1f2de52348f33e2e14b5f84710970645ccd23ae2173207354b9d84b4bb1a11 days 3 hrs ago0xceb66167291ecd9663be5be144be928b2d7c8d07  IN   FundRequest0 Ether0.0003633531
0x70dfb0b793051a3463f0ec121fc5e6d8bf7d2007221521431d0d2bbdae319ef612 days 1 hr ago0x49efba47544ebe79a3abe01767c26cac165742a2  IN   FundRequest0 Ether0.000985425
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Warning: The Compiled Contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity), NestedArrayFunctionCallDecoder (medium-severity) SolidityCompiler Bugs.

Contract Source Code Verified (Exact Match)
Contract Name: FundRequestToken
Compiler Text: v0.4.19+commit.c4cbbb05
Optimization Enabled: No
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.18;

// FundRequest Token
//
// @authors:
// Davy Van Roy <[email protected]>
// Quinten De Swaef <[email protected]>
//
// Security audit performed by LeastAuthority:
// https://github.com/FundRequest/audit-reports/raw/master/2018-02-06 - Least Authority - ICO Contracts Audit Report.pdf

contract ApproveAndCallFallBack {
    function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public;
}

contract Controlled {
    /// @notice The address of the controller is the only address that can call
    ///  a function with this modifier
    modifier onlyController { require(msg.sender == controller); _; }

    address public controller;

    function Controlled() public { controller = msg.sender;}

    /// @notice Changes the controller of the contract
    /// @param _newController The new controller of the contract
    function changeController(address _newController) public onlyController {
        controller = _newController;
    }
}


/// @dev This contract is used to generate clone contracts from a contract.
///  In solidity this is the way to create a contract from a contract of the
///  same class
contract MiniMeTokenFactory {

    /// @notice Update the DApp by creating a new token with new functionalities
    ///  the msg.sender becomes the controller of this clone token
    /// @param _parentToken Address of the token being cloned
    /// @param _snapshotBlock Block of the parent token that will
    ///  determine the initial distribution of the clone token
    /// @param _tokenName Name of the new token
    /// @param _decimalUnits Number of decimals of the new token
    /// @param _tokenSymbol Token Symbol for the new token
    /// @param _transfersEnabled If true, tokens will be able to be transferred
    /// @return The address of the new token contract
    function createCloneToken(
    address _parentToken,
    uint _snapshotBlock,
    string _tokenName,
    uint8 _decimalUnits,
    string _tokenSymbol,
    bool _transfersEnabled
    ) public returns (MiniMeToken)
    {
        MiniMeToken newToken = new MiniMeToken(
        this,
        _parentToken,
        _snapshotBlock,
        _tokenName,
        _decimalUnits,
        _tokenSymbol,
        _transfersEnabled
        );

        newToken.changeController(msg.sender);
        return newToken;
    }
}

/*
    Copyright 2016, Jordi Baylina

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/// @title MiniMeToken Contract
/// @author Jordi Baylina
/// @dev This token contract's goal is to make it easy for anyone to clone this
///  token using the token distribution at a given block, this will allow DAO's
///  and DApps to upgrade their features in a decentralized manner without
///  affecting the original token
/// @dev It is ERC20 compliant, but still needs to under go further testing.
/// @dev The actual token contract, the default controller is the msg.sender
///  that deploys the contract, so usually this token will be deployed by a
///  token controller contract, which Giveth will call a "Campaign"
contract MiniMeToken is Controlled {

    string public name;                //The Token's name: e.g. DigixDAO Tokens
    uint8 public decimals;             //Number of decimals of the smallest unit
    string public symbol;              //An identifier: e.g. REP
    string public version = "1.0.0"; 

    /// @dev `Checkpoint` is the structure that attaches a block number to a
    ///  given value, the block number attached is the one that last changed the
    ///  value
    struct Checkpoint {

        // `fromBlock` is the block number that the value was generated from
        uint128 fromBlock;

        // `value` is the amount of tokens at a specific block number
        uint128 value;
    }

    // `parentToken` is the Token address that was cloned to produce this token;
    //  it will be 0x0 for a token that was not cloned
    MiniMeToken public parentToken;

    // `parentSnapShotBlock` is the block number from the Parent Token that was
    //  used to determine the initial distribution of the Clone Token
    uint public parentSnapShotBlock;

    // `creationBlock` is the block number that the Clone Token was created
    uint public creationBlock;

    // `balances` is the map that tracks the balance of each address, in this
    //  contract when the balance changes the block number that the change
    //  occurred is also included in the map
    mapping (address => Checkpoint[]) balances;

    // `allowed` tracks any extra transfer rights as in all ERC20 tokens
    mapping (address => mapping (address => uint256)) allowed;

    // Tracks the history of the `totalSupply` of the token
    Checkpoint[] totalSupplyHistory;

    // Flag that determines if the token is transferable or not.
    bool public transfersEnabled;

    // The factory used to create new clone tokens
    MiniMeTokenFactory public tokenFactory;

////////////////
// Constructor
////////////////

    /// @notice Constructor to create a MiniMeToken
    /// @param _tokenFactory The address of the MiniMeTokenFactory contract that
    ///  will create the Clone token contracts, the token factory needs to be
    ///  deployed first
    /// @param _parentToken Address of the parent token, set to 0x0 if it is a
    ///  new token
    /// @param _parentSnapShotBlock Block of the parent token that will
    ///  determine the initial distribution of the clone token, set to 0 if it
    ///  is a new token
    /// @param _tokenName Name of the new token
    /// @param _decimalUnits Number of decimals of the new token
    /// @param _tokenSymbol Token Symbol for the new token
    /// @param _transfersEnabled If true, tokens will be able to be transferred
    function MiniMeToken(
        address _tokenFactory,
        address _parentToken,
        uint _parentSnapShotBlock,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol,
        bool _transfersEnabled
    ) public 
    {
        tokenFactory = MiniMeTokenFactory(_tokenFactory);
        name = _tokenName;                                 // Set the name
        decimals = _decimalUnits;                          // Set the decimals
        symbol = _tokenSymbol;                             // Set the symbol
        parentToken = MiniMeToken(_parentToken);
        parentSnapShotBlock = _parentSnapShotBlock;
        transfersEnabled = _transfersEnabled;
        creationBlock = block.number;
    }


///////////////////
// ERC20 Methods
///////////////////

    /// @notice Send `_amount` tokens to `_to` from `msg.sender`
    /// @param _to The address of the recipient
    /// @param _amount The amount of tokens to be transferred
    /// @return Whether the transfer was successful or not
    function transfer(address _to, uint256 _amount) public returns (bool success) {
        require(transfersEnabled);
        return doTransfer(msg.sender, _to, _amount);
    }

    /// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
    ///  is approved by `_from`
    /// @param _from The address holding the tokens being transferred
    /// @param _to The address of the recipient
    /// @param _amount The amount of tokens to be transferred
    /// @return True if the transfer was successful
    function transferFrom(address _from, address _to, uint256 _amount) 
        public returns (bool success) 
        {
        // The controller of this contract can move tokens around at will,
        //  this is important to recognize! Confirm that you trust the
        //  controller of this contract, which in most situations should be
        //  another open source smart contract or 0x0
        if (msg.sender != controller) {
            require(transfersEnabled);

            // The standard ERC 20 transferFrom functionality
            if (allowed[_from][msg.sender] < _amount) {
                return false;
            }
            allowed[_from][msg.sender] -= _amount;
        }
        return doTransfer(_from, _to, _amount);
    }

    /// @dev This is the actual transfer function in the token contract, it can
    ///  only be called by other functions in this contract.
    /// @param _from The address holding the tokens being transferred
    /// @param _to The address of the recipient
    /// @param _amount The amount of tokens to be transferred
    /// @return True if the transfer was successful
    function doTransfer(address _from, address _to, uint _amount
    ) internal returns(bool) 
    {

           if (_amount == 0) {
               return true;
           }

           require(parentSnapShotBlock < block.number);

           // Do not allow transfer to 0x0 or the token contract itself
           require((_to != 0) && (_to != address(this)));

           // If the amount being transfered is more than the balance of the
           //  account the transfer returns false
           var previousBalanceFrom = balanceOfAt(_from, block.number);
           if (previousBalanceFrom < _amount) {
               return false;
           }

           // Alerts the token controller of the transfer
           if (isContract(controller)) {
               require(TokenController(controller).onTransfer(_from, _to, _amount));
           }

           // First update the balance array with the new value for the address
           //  sending the tokens
           updateValueAtNow(balances[_from], previousBalanceFrom - _amount);

           // Then update the balance array with the new value for the address
           //  receiving the tokens
           var previousBalanceTo = balanceOfAt(_to, block.number);
           require(previousBalanceTo + _amount >= previousBalanceTo); // Check for overflow
           updateValueAtNow(balances[_to], previousBalanceTo + _amount);

           // An event to make the transfer easy to find on the blockchain
           Transfer(_from, _to, _amount);

           return true;
    }

    /// @param _owner The address that's balance is being requested
    /// @return The balance of `_owner` at the current block
    function balanceOf(address _owner) public constant returns (uint256 balance) {
        return balanceOfAt(_owner, block.number);
    }

    /// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
    ///  its behalf. This is a modified version of the ERC20 approve function
    ///  to be a little bit safer
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _amount The amount of tokens to be approved for transfer
    /// @return True if the approval was successful
    function approve(address _spender, uint256 _amount) public returns (bool success) {
        require(transfersEnabled);

        // 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((_amount == 0) || (allowed[msg.sender][_spender] == 0));
        return doApprove(_spender, _amount);
    }

    function doApprove(address _spender, uint256 _amount) internal returns (bool success) {
        require(transfersEnabled);
        if (isContract(controller)) {
            require(TokenController(controller).onApprove(msg.sender, _spender, _amount));
        }
        allowed[msg.sender][_spender] = _amount;
        Approval(msg.sender, _spender, _amount);
        return true;
    }

    /// @dev This function makes it easy to read the `allowed[]` map
    /// @param _owner The address of the account that owns the token
    /// @param _spender The address of the account able to transfer the tokens
    /// @return Amount of remaining tokens of _owner that _spender is allowed
    ///  to spend
    function allowance(address _owner, address _spender
    ) public constant returns (uint256 remaining) 
    {
        return allowed[_owner][_spender];
    }

    /// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
    ///  its behalf, and then a function is triggered in the contract that is
    ///  being approved, `_spender`. This allows users to use their tokens to
    ///  interact with contracts in one function call instead of two
    /// @param _spender The address of the contract able to transfer the tokens
    /// @param _amount The amount of tokens to be approved for transfer
    /// @return True if the function call was successful
    function approveAndCall(address _spender, uint256 _amount, bytes _extraData
    ) public returns (bool success) 
    {
        require(approve(_spender, _amount));

        ApproveAndCallFallBack(_spender).receiveApproval(
            msg.sender,
            _amount,
            this,
            _extraData
        );

        return true;
    }

    /// @dev This function makes it easy to get the total number of tokens
    /// @return The total number of tokens
    function totalSupply() public constant returns (uint) {
        return totalSupplyAt(block.number);
    }


////////////////
// Query balance and totalSupply in History
////////////////

    /// @dev Queries the balance of `_owner` at a specific `_blockNumber`
    /// @param _owner The address from which the balance will be retrieved
    /// @param _blockNumber The block number when the balance is queried
    /// @return The balance at `_blockNumber`
    function balanceOfAt(address _owner, uint _blockNumber) public constant
        returns (uint) 
    {
        // These next few lines are used when the balance of the token is
        //  requested before a check point was ever created for this token, it
        //  requires that the `parentToken.balanceOfAt` be queried at the
        //  genesis block for that token as this contains initial balance of
        //  this token
        if ((balances[_owner].length == 0) || (balances[_owner][0].fromBlock > _blockNumber)) {
            if (address(parentToken) != 0) {
                return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
            } else {
                // Has no parent
                return 0;
            }

        // This will return the expected balance during normal situations
        } else {
            return getValueAt(balances[_owner], _blockNumber);
        }
    }

    /// @notice Total amount of tokens at a specific `_blockNumber`.
    /// @param _blockNumber The block number when the totalSupply is queried
    /// @return The total amount of tokens at `_blockNumber`
    function totalSupplyAt(uint _blockNumber) public constant returns(uint) {

        // These next few lines are used when the totalSupply of the token is
        //  requested before a check point was ever created for this token, it
        //  requires that the `parentToken.totalSupplyAt` be queried at the
        //  genesis block for this token as that contains totalSupply of this
        //  token at this block number.
        if ((totalSupplyHistory.length == 0) || (totalSupplyHistory[0].fromBlock > _blockNumber)) {
            if (address(parentToken) != 0) {
                return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
            } else {
                return 0;
            }

        // This will return the expected totalSupply during normal situations
        } else {
            return getValueAt(totalSupplyHistory, _blockNumber);
        }
    }

////////////////
// Clone Token Method
////////////////

    /// @notice Creates a new clone token with the initial distribution being
    ///  this token at `_snapshotBlock`
    /// @param _cloneTokenName Name of the clone token
    /// @param _cloneDecimalUnits Number of decimals of the smallest unit
    /// @param _cloneTokenSymbol Symbol of the clone token
    /// @param _snapshotBlock Block when the distribution of the parent token is
    ///  copied to set the initial distribution of the new clone token;
    ///  if the block is zero than the actual block, the current block is used
    /// @param _transfersEnabled True if transfers are allowed in the clone
    /// @return The address of the new MiniMeToken Contract
    function createCloneToken(
        string _cloneTokenName,
        uint8 _cloneDecimalUnits,
        string _cloneTokenSymbol,
        uint _snapshotBlock,
        bool _transfersEnabled
        ) public returns(address) 
    {
        if (_snapshotBlock == 0) {
            _snapshotBlock = block.number;
        }

        MiniMeToken cloneToken = tokenFactory.createCloneToken(
            this,
            _snapshotBlock,
            _cloneTokenName,
            _cloneDecimalUnits,
            _cloneTokenSymbol,
            _transfersEnabled
            );

        cloneToken.changeController(msg.sender);

        // An event to make the token easy to find on the blockchain
        NewCloneToken(address(cloneToken), _snapshotBlock);
        return address(cloneToken);
    }

////////////////
// Generate and destroy tokens
////////////////

    /// @notice Generates `_amount` tokens that are assigned to `_owner`
    /// @param _owner The address that will be assigned the new tokens
    /// @param _amount The quantity of tokens generated
    /// @return True if the tokens are generated correctly
    function generateTokens(address _owner, uint _amount) 
        public onlyController returns (bool) 
    {
        uint curTotalSupply = totalSupply();
        require(curTotalSupply + _amount >= curTotalSupply); // Check for overflow
        uint previousBalanceTo = balanceOf(_owner);
        require(previousBalanceTo + _amount >= previousBalanceTo); // Check for overflow
        updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
        updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
        Transfer(0, _owner, _amount);
        return true;
    }


    /// @notice Burns `_amount` tokens from `_owner`
    /// @param _owner The address that will lose the tokens
    /// @param _amount The quantity of tokens to burn
    /// @return True if the tokens are burned correctly
    function destroyTokens(address _owner, uint _amount
    ) onlyController public returns (bool) 
    {
        uint curTotalSupply = totalSupply();
        require(curTotalSupply >= _amount);
        uint previousBalanceFrom = balanceOf(_owner);
        require(previousBalanceFrom >= _amount);
        updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
        updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
        Transfer(_owner, 0, _amount);
        return true;
    }

////////////////
// Enable tokens transfers
////////////////


    /// @notice Enables token holders to transfer their tokens freely if true
    /// @param _transfersEnabled True if transfers are allowed in the clone
    function enableTransfers(bool _transfersEnabled) public onlyController {
        transfersEnabled = _transfersEnabled;
    }

////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////

    /// @dev `getValueAt` retrieves the number of tokens at a given block number
    /// @param checkpoints The history of values being queried
    /// @param _block The block number to retrieve the value at
    /// @return The number of tokens being queried
    function getValueAt(Checkpoint[] storage checkpoints, uint _block) 
        constant internal returns (uint) 
    {
        if (checkpoints.length == 0) {
            return 0;
        }

        // Shortcut for the actual value
        if (_block >= checkpoints[checkpoints.length-1].fromBlock) {
            return checkpoints[checkpoints.length-1].value;
        }
            
        if (_block < checkpoints[0].fromBlock) {
            return 0;
        }

        // Binary search of the value in the array
        uint min = 0;
        uint max = checkpoints.length - 1;
        while (max > min) {
            uint mid = (max + min + 1) / 2;
            if (checkpoints[mid].fromBlock<=_block) {
                min = mid;
            } else {
                max = mid-1;
            }
        }
        return checkpoints[min].value;
    }

    /// @dev `updateValueAtNow` used to update the `balances` map and the
    ///  `totalSupplyHistory`
    /// @param checkpoints The history of data being updated
    /// @param _value The new number of tokens
    function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
    ) internal  
    {
        if ((checkpoints.length == 0) || (checkpoints[checkpoints.length-1].fromBlock < block.number)) {
               Checkpoint storage newCheckPoint = checkpoints[checkpoints.length++];
               newCheckPoint.fromBlock = uint128(block.number);
               newCheckPoint.value = uint128(_value);
           } else {
               Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
               oldCheckPoint.value = uint128(_value);
           }
    }

    /// @dev Internal function to determine if an address is a contract
    /// @param _addr The address being queried
    /// @return True if `_addr` is a contract
    function isContract(address _addr) constant internal returns(bool) {
        uint size;
        if (_addr == 0) {
            return false;
        }
        assembly {
            size := extcodesize(_addr)
        }
        return size>0;
    }

    /// @dev Helper function to return a min betwen the two uints
    function min(uint a, uint b) pure internal returns (uint) {
        return a < b ? a : b;
    }

    /// @notice The fallback function: If the contract's controller has not been
    ///  set to 0, then the `proxyPayment` method is called which relays the
    ///  ether and creates tokens as described in the token controller contract
    function () public payable {
        require(isContract(controller));
        require(TokenController(controller).proxyPayment.value(msg.value)(msg.sender));
    }

//////////
// Safety Methods
//////////

    /// @notice This method can be used by the controller to extract mistakenly
    ///  sent tokens to this contract.
    /// @param _token The address of the token contract that you want to recover
    ///  set to 0 in case you want to extract ether.
    function claimTokens(address _token) public onlyController {
        if (_token == 0x0) {
            controller.transfer(this.balance);
            return;
        }

        MiniMeToken token = MiniMeToken(_token);
        uint balance = token.balanceOf(this);
        token.transfer(controller, balance);
        ClaimedTokens(_token, controller, balance);
    }

////////////////
// Events
////////////////
    event ClaimedTokens(address indexed _token, address indexed _controller, uint _amount);
    event Transfer(address indexed _from, address indexed _to, uint256 _amount);
    event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
    event Approval(
        address indexed _owner,
        address indexed _spender,
        uint256 _amount
        );

}

/// @dev The token controller contract must implement these functions
contract TokenController {
    /// @notice Called when `_owner` sends ether to the MiniMe Token contract
    /// @param _owner The address that sent the ether to create tokens
    /// @return True if the ether is accepted, false if it throws
    function proxyPayment(address _owner) public payable returns(bool);

    /// @notice Notifies the controller about a token transfer allowing the
    ///  controller to react if desired
    /// @param _from The origin of the transfer
    /// @param _to The destination of the transfer
    /// @param _amount The amount of the transfer
    /// @return False if the controller does not authorize the transfer
    function onTransfer(address _from, address _to, uint _amount) public returns(bool);

    /// @notice Notifies the controller about an approval allowing the
    ///  controller to react if desired
    /// @param _owner The address that calls `approve()`
    /// @param _spender The spender in the `approve()` call
    /// @param _amount The amount in the `approve()` call
    /// @return False if the controller does not authorize the approval
    function onApprove(address _owner, address _spender, uint _amount)
    public
    returns(bool);
}

// FundRequest Token
//
// @authors:
// Davy Van Roy <[email protected]>
// Quinten De Swaef <[email protected]>
//
// Security audit performed by LeastAuthority:
// https://github.com/FundRequest/audit-reports/raw/master/2018-02-06 - Least Authority - ICO Contracts Audit Report.pdf
contract FundRequestToken is MiniMeToken {

  function FundRequestToken(
    address _tokenFactory,
    address _parentToken, 
    uint _parentSnapShotBlock, 
    string _tokenName, 
    uint8 _decimalUnits, 
    string _tokenSymbol, 
    bool _transfersEnabled) 
    public 
    MiniMeToken(
      _tokenFactory,
      _parentToken, 
      _parentSnapShotBlock, 
      _tokenName, 
      _decimalUnits, 
      _tokenSymbol, 
      _transfersEnabled) 
  {
    //constructor
  }

  function safeApprove(address _spender, uint256 _currentValue, uint256 _amount) public returns (bool success) {
    require(allowed[msg.sender][_spender] == _currentValue);
    return doApprove(_spender, _amount);
  }

  function isFundRequestToken() public pure returns (bool) {
    return true;
  }
}

    Contract ABI  
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_amount","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"creationBlock","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","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,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newController","type":"address"}],"name":"changeController","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_blockNumber","type":"uint256"}],"name":"balanceOfAt","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_cloneTokenName","type":"string"},{"name":"_cloneDecimalUnits","type":"uint8"},{"name":"_cloneTokenSymbol","type":"string"},{"name":"_snapshotBlock","type":"uint256"},{"name":"_transfersEnabled","type":"bool"}],"name":"createCloneToken","outputs":[{"name":"","type":"address"}],"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":"isFundRequestToken","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"parentToken","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_owner","type":"address"},{"name":"_amount","type":"uint256"}],"name":"generateTokens","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_blockNumber","type":"uint256"}],"name":"totalSupplyAt","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"transfersEnabled","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"parentSnapShotBlock","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_amount","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_owner","type":"address"},{"name":"_amount","type":"uint256"}],"name":"destroyTokens","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","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":false,"inputs":[{"name":"_token","type":"address"}],"name":"claimTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"tokenFactory","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_transfersEnabled","type":"bool"}],"name":"enableTransfers","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_currentValue","type":"uint256"},{"name":"_amount","type":"uint256"}],"name":"safeApprove","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"controller","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_tokenFactory","type":"address"},{"name":"_parentToken","type":"address"},{"name":"_parentSnapShotBlock","type":"uint256"},{"name":"_tokenName","type":"string"},{"name":"_decimalUnits","type":"uint8"},{"name":"_tokenSymbol","type":"string"},{"name":"_transfersEnabled","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_token","type":"address"},{"indexed":true,"name":"_controller","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"ClaimedTokens","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_cloneToken","type":"address"},{"indexed":false,"name":"_snapshotBlock","type":"uint256"}],"name":"NewCloneToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"Approval","type":"event"}]

  Contract Creation Code Switch To Opcodes View
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    Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000008b0b13d43122eaba2b2318387dc6a368ce398f6a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b46756e64526571756573740000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003464e440000000000000000000000000000000000000000000000000000000000

-----Encoded View---------------
11 Constructor Arguments found :
Arg [0] : 0000000000000000000000008b0b13d43122eaba2b2318387dc6a368ce398f6a
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [7] : 000000000000000000000000000000000000000000000000000000000000000b
Arg [8] : 46756e6452657175657374000000000000000000000000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [10] : 464e440000000000000000000000000000000000000000000000000000000000


   Swarm Source:
bzzr://551a2e5ba7cb2b8f26be6d51bd9496bbdaf5818ff2426b70d1ac9e29c1697f23

 

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