0x Protocol's v1 exchange contract. You can learn more about the exchange contract here.
Contract Overview | 0xProtocol_Exchange1
Balance: 0 Ether
Ether Value: $0
Transactions: 404219 txns
Misc:
Address Watch: Add To Watch List
Contract Creator: 0xa3b2d1087bcebe59d188a23f75620612d967df72at txn 0x4ba480054e660dd81dea5d9ffcdc12a355650762d6997f181c9fe2ec6fa96f6e
Token Balance:
 Latest 25 transactions from a total of 404219 transactions
(+1 PendingTxn)

TxHash Age From To Value [TxFee]
0x50d2828f2a1d2a723d6b4586cbc9f62ed768404c6ad2532f8696d389b6b54338(pending)0xc721978e48b06c80b8f5750d89f30bd75128b735  IN  0x12459c951127e0c374ff9105dda097662a0270930 Ether(Pending)
0xeca9215461ecf13f18fdf7de6163171bb8f2f5b98fb7634cbdeb5f69f0927a301 min agoDDEX  IN   0xProtocol_Exchange10 Ether0.007413318
0x991d0d4b85ecef6bd93c9b67664da987df120b13a54a2c8911d30a1aa69f914f2 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.00868599
0x6da2f96d6e404ad1a72c3ed8cf33069b5fc3f1ed610184ab72aa17b4637479d33 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0022131
0xc441aa77bb0b889a9aed5457dc2287381462325fb90edb7ee85d90becc54471e3 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.002210715
0xe36940e0bc940054a748b70fff0f42d7efa360f42fdd40d625ca002511d86ba43 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.004460751
0x2ae0a37003b1b0bcf308ada25ec92fdb00dba4b2cea79d695aa0511cca7b0fb75 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.00234027
0x0d6d8729d654bed77718e913e24f09a35377cafca004b7f1ef871d7712d944126 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.002348676
0xe48f478a82782e51eb96cabc1e01eab9fc451c108d0876ac517500b445273dce6 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.002343321
0x42315d2cbb1b2c4f1a5e88e15007dd6eb44b6f8fea3b6e025be66b47254a09eb7 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.002341998
0xd56ab91a3df70e1e0bd1773b9ad7288db6e3f81a10de25390440178ed7b0c4aa8 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0032850243
0x3178be26bc80ce24e3b3acf2b17b4cfc0f335983e1f8e55a682959bf1c00502010 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0024914016
0x098beb1364cf3da0066c5bfd91fc76cb90ebc200eb332407a96972b552733ecf10 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0031655994
0x0c7379a1df43b79b8e7a9053c5109eecae9c17353237785df6d9916ec5ea395e11 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0020347362
0x918205b3052da46d2ec457cbd1ebbd4a3cb51a77415d64c8eee34bfc9b1b070c11 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.00199179
0xe66da6fc425fd0423444be963697038a5565f50ade5aaae9daedcd72101fe81c11 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0019912716
0x4a33c0279471509fa66004a6e07f07aebc33b96c90b8ecec5eb06c5dbc8bd80911 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0023196618
0x14cfb53418ad0cdd96a0edddcc415fc62bb2d3a073c31c0014c12b0d1a23346811 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0021582288
0x4aef52364e346bf48a11a47d36f684ef3040737a1aea21a8d20ad71dce24735013 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0023196618
0xa59064733cb90a0da28ce55d31032465fc7e969d5f34b1e5824bbcb1ff6a83d113 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0019859337
0x75a68c1b969565639bb2912166059e0cdb56b0c82004b1901c5d99b54da0faf513 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0022448408
0xf7e45018ba7d73b5e3760ef8f186309ba127cb55007ac559aa7917af29015b9513 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0022364214
0x37c311e901ee5b0890a9ac2689e1bf3d31ba3a9b0f79fa4fc9159e48e26f555614 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0022045412
0x92103579b1a79947ace4b7bbf3039f1a1e0051e9d4b526f6841107034062367015 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0021347103
0xed64635040797037fd6cf6cc0c6f6d109eac4ea234e93c96d1fbc54f610b967e16 mins agoDDEX  IN   0xProtocol_Exchange10 Ether0.0021108098
[ Download CSV Export  ] 
 Internal Transactions as a result of Contract Execution
View All
ParentTxHash Block Age From To Value
Warning: The Compiled Contract might be susceptible to ExpExponentCleanup (medium/high-severity), NestedArrayFunctionCallDecoder (medium-severity), ZeroFunctionSelector (very low-severity), DelegateCallReturnValue (low-severity) SolidityCompiler Bugs.

Contract Source Code Verified (Exact Match)
Contract Name: Exchange
Compiler Text: v0.4.14+commit.c2215d46
Optimization Enabled: No
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

/*

  Copyright 2017 ZeroEx Intl.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

*/

pragma solidity 0.4.14;

/*
 * Ownable
 *
 * Base contract with an owner.
 * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.
 */
contract Ownable {
    address public owner;

    function Ownable() {
        owner = msg.sender;
    }

    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }

    function transferOwnership(address newOwner) onlyOwner {
        if (newOwner != address(0)) {
            owner = newOwner;
        }
    }
}

contract Token {

    /// @return total amount of tokens
    function totalSupply() constant returns (uint supply) {}

    /// @param _owner The address from which the balance will be retrieved
    /// @return The balance
    function balanceOf(address _owner) constant returns (uint balance) {}

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

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

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

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

    event Transfer(address indexed _from, address indexed _to, uint _value);
    event Approval(address indexed _owner, address indexed _spender, uint _value);
}

/// @title TokenTransferProxy - Transfers tokens on behalf of contracts that have been approved via decentralized governance.
/// @author Amir Bandeali - <[email protected]>, Will Warren - <[email protected]>
contract TokenTransferProxy is Ownable {

    /// @dev Only authorized addresses can invoke functions with this modifier.
    modifier onlyAuthorized {
        require(authorized[msg.sender]);
        _;
    }

    modifier targetAuthorized(address target) {
        require(authorized[target]);
        _;
    }

    modifier targetNotAuthorized(address target) {
        require(!authorized[target]);
        _;
    }

    mapping (address => bool) public authorized;
    address[] public authorities;

    event LogAuthorizedAddressAdded(address indexed target, address indexed caller);
    event LogAuthorizedAddressRemoved(address indexed target, address indexed caller);

    /*
     * Public functions
     */

    /// @dev Authorizes an address.
    /// @param target Address to authorize.
    function addAuthorizedAddress(address target)
        public
        onlyOwner
        targetNotAuthorized(target)
    {
        authorized[target] = true;
        authorities.push(target);
        LogAuthorizedAddressAdded(target, msg.sender);
    }

    /// @dev Removes authorizion of an address.
    /// @param target Address to remove authorization from.
    function removeAuthorizedAddress(address target)
        public
        onlyOwner
        targetAuthorized(target)
    {
        delete authorized[target];
        for (uint i = 0; i < authorities.length; i++) {
            if (authorities[i] == target) {
                authorities[i] = authorities[authorities.length - 1];
                authorities.length -= 1;
                break;
            }
        }
        LogAuthorizedAddressRemoved(target, msg.sender);
    }

    /// @dev Calls into ERC20 Token contract, invoking transferFrom.
    /// @param token Address of token to transfer.
    /// @param from Address to transfer token from.
    /// @param to Address to transfer token to.
    /// @param value Amount of token to transfer.
    /// @return Success of transfer.
    function transferFrom(
        address token,
        address from,
        address to,
        uint value)
        public
        onlyAuthorized
        returns (bool)
    {
        return Token(token).transferFrom(from, to, value);
    }

    /*
     * Public constant functions
     */

    /// @dev Gets all authorized addresses.
    /// @return Array of authorized addresses.
    function getAuthorizedAddresses()
        public
        constant
        returns (address[])
    {
        return authorities;
    }
}

contract SafeMath {
    function safeMul(uint a, uint b) internal constant returns (uint256) {
        uint c = a * b;
        assert(a == 0 || c / a == b);
        return c;
    }

    function safeDiv(uint a, uint b) internal constant returns (uint256) {
        uint c = a / b;
        return c;
    }

    function safeSub(uint a, uint b) internal constant returns (uint256) {
        assert(b <= a);
        return a - b;
    }

    function safeAdd(uint a, uint b) internal constant returns (uint256) {
        uint c = a + b;
        assert(c >= a);
        return c;
    }

    function max64(uint64 a, uint64 b) internal constant returns (uint64) {
        return a >= b ? a : b;
    }

    function min64(uint64 a, uint64 b) internal constant returns (uint64) {
        return a < b ? a : b;
    }

    function max256(uint256 a, uint256 b) internal constant returns (uint256) {
        return a >= b ? a : b;
    }

    function min256(uint256 a, uint256 b) internal constant returns (uint256) {
        return a < b ? a : b;
    }
}

/// @title Exchange - Facilitates exchange of ERC20 tokens.
/// @author Amir Bandeali - <[email protected]>, Will Warren - <[email protected]>
contract Exchange is SafeMath {

    // Error Codes
    enum Errors {
        ORDER_EXPIRED,                    // Order has already expired
        ORDER_FULLY_FILLED_OR_CANCELLED,  // Order has already been fully filled or cancelled
        ROUNDING_ERROR_TOO_LARGE,         // Rounding error too large
        INSUFFICIENT_BALANCE_OR_ALLOWANCE // Insufficient balance or allowance for token transfer
    }

    string constant public VERSION = "1.0.0";
    uint16 constant public EXTERNAL_QUERY_GAS_LIMIT = 4999;    // Changes to state require at least 5000 gas

    address public ZRX_TOKEN_CONTRACT;
    address public TOKEN_TRANSFER_PROXY_CONTRACT;

    // Mappings of orderHash => amounts of takerTokenAmount filled or cancelled.
    mapping (bytes32 => uint) public filled;
    mapping (bytes32 => uint) public cancelled;

    event LogFill(
        address indexed maker,
        address taker,
        address indexed feeRecipient,
        address makerToken,
        address takerToken,
        uint filledMakerTokenAmount,
        uint filledTakerTokenAmount,
        uint paidMakerFee,
        uint paidTakerFee,
        bytes32 indexed tokens, // keccak256(makerToken, takerToken), allows subscribing to a token pair
        bytes32 orderHash
    );

    event LogCancel(
        address indexed maker,
        address indexed feeRecipient,
        address makerToken,
        address takerToken,
        uint cancelledMakerTokenAmount,
        uint cancelledTakerTokenAmount,
        bytes32 indexed tokens,
        bytes32 orderHash
    );

    event LogError(uint8 indexed errorId, bytes32 indexed orderHash);

    struct Order {
        address maker;
        address taker;
        address makerToken;
        address takerToken;
        address feeRecipient;
        uint makerTokenAmount;
        uint takerTokenAmount;
        uint makerFee;
        uint takerFee;
        uint expirationTimestampInSec;
        bytes32 orderHash;
    }

    function Exchange(address _zrxToken, address _tokenTransferProxy) {
        ZRX_TOKEN_CONTRACT = _zrxToken;
        TOKEN_TRANSFER_PROXY_CONTRACT = _tokenTransferProxy;
    }

    /*
    * Core exchange functions
    */

    /// @dev Fills the input order.
    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfer will fail before attempting.
    /// @param v ECDSA signature parameter v.
    /// @param r ECDSA signature parameters r.
    /// @param s ECDSA signature parameters s.
    /// @return Total amount of takerToken filled in trade.
    function fillOrder(
          address[5] orderAddresses,
          uint[6] orderValues,
          uint fillTakerTokenAmount,
          bool shouldThrowOnInsufficientBalanceOrAllowance,
          uint8 v,
          bytes32 r,
          bytes32 s)
          public
          returns (uint filledTakerTokenAmount)
    {
        Order memory order = Order({
            maker: orderAddresses[0],
            taker: orderAddresses[1],
            makerToken: orderAddresses[2],
            takerToken: orderAddresses[3],
            feeRecipient: orderAddresses[4],
            makerTokenAmount: orderValues[0],
            takerTokenAmount: orderValues[1],
            makerFee: orderValues[2],
            takerFee: orderValues[3],
            expirationTimestampInSec: orderValues[4],
            orderHash: getOrderHash(orderAddresses, orderValues)
        });

        require(order.taker == address(0) || order.taker == msg.sender);
        require(order.makerTokenAmount > 0 && order.takerTokenAmount > 0 && fillTakerTokenAmount > 0);
        require(isValidSignature(
            order.maker,
            order.orderHash,
            v,
            r,
            s
        ));

        if (block.timestamp >= order.expirationTimestampInSec) {
            LogError(uint8(Errors.ORDER_EXPIRED), order.orderHash);
            return 0;
        }

        uint remainingTakerTokenAmount = safeSub(order.takerTokenAmount, getUnavailableTakerTokenAmount(order.orderHash));
        filledTakerTokenAmount = min256(fillTakerTokenAmount, remainingTakerTokenAmount);
        if (filledTakerTokenAmount == 0) {
            LogError(uint8(Errors.ORDER_FULLY_FILLED_OR_CANCELLED), order.orderHash);
            return 0;
        }

        if (isRoundingError(filledTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount)) {
            LogError(uint8(Errors.ROUNDING_ERROR_TOO_LARGE), order.orderHash);
            return 0;
        }

        if (!shouldThrowOnInsufficientBalanceOrAllowance && !isTransferable(order, filledTakerTokenAmount)) {
            LogError(uint8(Errors.INSUFFICIENT_BALANCE_OR_ALLOWANCE), order.orderHash);
            return 0;
        }

        uint filledMakerTokenAmount = getPartialAmount(filledTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount);
        uint paidMakerFee;
        uint paidTakerFee;
        filled[order.orderHash] = safeAdd(filled[order.orderHash], filledTakerTokenAmount);
        require(transferViaTokenTransferProxy(
            order.makerToken,
            order.maker,
            msg.sender,
            filledMakerTokenAmount
        ));
        require(transferViaTokenTransferProxy(
            order.takerToken,
            msg.sender,
            order.maker,
            filledTakerTokenAmount
        ));
        if (order.feeRecipient != address(0)) {
            if (order.makerFee > 0) {
                paidMakerFee = getPartialAmount(filledTakerTokenAmount, order.takerTokenAmount, order.makerFee);
                require(transferViaTokenTransferProxy(
                    ZRX_TOKEN_CONTRACT,
                    order.maker,
                    order.feeRecipient,
                    paidMakerFee
                ));
            }
            if (order.takerFee > 0) {
                paidTakerFee = getPartialAmount(filledTakerTokenAmount, order.takerTokenAmount, order.takerFee);
                require(transferViaTokenTransferProxy(
                    ZRX_TOKEN_CONTRACT,
                    msg.sender,
                    order.feeRecipient,
                    paidTakerFee
                ));
            }
        }

        LogFill(
            order.maker,
            msg.sender,
            order.feeRecipient,
            order.makerToken,
            order.takerToken,
            filledMakerTokenAmount,
            filledTakerTokenAmount,
            paidMakerFee,
            paidTakerFee,
            keccak256(order.makerToken, order.takerToken),
            order.orderHash
        );
        return filledTakerTokenAmount;
    }

    /// @dev Cancels the input order.
    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
    /// @param cancelTakerTokenAmount Desired amount of takerToken to cancel in order.
    /// @return Amount of takerToken cancelled.
    function cancelOrder(
        address[5] orderAddresses,
        uint[6] orderValues,
        uint cancelTakerTokenAmount)
        public
        returns (uint)
    {
        Order memory order = Order({
            maker: orderAddresses[0],
            taker: orderAddresses[1],
            makerToken: orderAddresses[2],
            takerToken: orderAddresses[3],
            feeRecipient: orderAddresses[4],
            makerTokenAmount: orderValues[0],
            takerTokenAmount: orderValues[1],
            makerFee: orderValues[2],
            takerFee: orderValues[3],
            expirationTimestampInSec: orderValues[4],
            orderHash: getOrderHash(orderAddresses, orderValues)
        });

        require(order.maker == msg.sender);
        require(order.makerTokenAmount > 0 && order.takerTokenAmount > 0 && cancelTakerTokenAmount > 0);

        if (block.timestamp >= order.expirationTimestampInSec) {
            LogError(uint8(Errors.ORDER_EXPIRED), order.orderHash);
            return 0;
        }

        uint remainingTakerTokenAmount = safeSub(order.takerTokenAmount, getUnavailableTakerTokenAmount(order.orderHash));
        uint cancelledTakerTokenAmount = min256(cancelTakerTokenAmount, remainingTakerTokenAmount);
        if (cancelledTakerTokenAmount == 0) {
            LogError(uint8(Errors.ORDER_FULLY_FILLED_OR_CANCELLED), order.orderHash);
            return 0;
        }

        cancelled[order.orderHash] = safeAdd(cancelled[order.orderHash], cancelledTakerTokenAmount);

        LogCancel(
            order.maker,
            order.feeRecipient,
            order.makerToken,
            order.takerToken,
            getPartialAmount(cancelledTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount),
            cancelledTakerTokenAmount,
            keccak256(order.makerToken, order.takerToken),
            order.orderHash
        );
        return cancelledTakerTokenAmount;
    }

    /*
    * Wrapper functions
    */

    /// @dev Fills an order with specified parameters and ECDSA signature, throws if specified amount not filled entirely.
    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
    /// @param v ECDSA signature parameter v.
    /// @param r ECDSA signature parameters r.
    /// @param s ECDSA signature parameters s.
    function fillOrKillOrder(
        address[5] orderAddresses,
        uint[6] orderValues,
        uint fillTakerTokenAmount,
        uint8 v,
        bytes32 r,
        bytes32 s)
        public
    {
        require(fillOrder(
            orderAddresses,
            orderValues,
            fillTakerTokenAmount,
            false,
            v,
            r,
            s
        ) == fillTakerTokenAmount);
    }

    /// @dev Synchronously executes multiple fill orders in a single transaction.
    /// @param orderAddresses Array of address arrays containing individual order addresses.
    /// @param orderValues Array of uint arrays containing individual order values.
    /// @param fillTakerTokenAmounts Array of desired amounts of takerToken to fill in orders.
    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfers will fail before attempting.
    /// @param v Array ECDSA signature v parameters.
    /// @param r Array of ECDSA signature r parameters.
    /// @param s Array of ECDSA signature s parameters.
    function batchFillOrders(
        address[5][] orderAddresses,
        uint[6][] orderValues,
        uint[] fillTakerTokenAmounts,
        bool shouldThrowOnInsufficientBalanceOrAllowance,
        uint8[] v,
        bytes32[] r,
        bytes32[] s)
        public
    {
        for (uint i = 0; i < orderAddresses.length; i++) {
            fillOrder(
                orderAddresses[i],
                orderValues[i],
                fillTakerTokenAmounts[i],
                shouldThrowOnInsufficientBalanceOrAllowance,
                v[i],
                r[i],
                s[i]
            );
        }
    }

    /// @dev Synchronously executes multiple fillOrKill orders in a single transaction.
    /// @param orderAddresses Array of address arrays containing individual order addresses.
    /// @param orderValues Array of uint arrays containing individual order values.
    /// @param fillTakerTokenAmounts Array of desired amounts of takerToken to fill in orders.
    /// @param v Array ECDSA signature v parameters.
    /// @param r Array of ECDSA signature r parameters.
    /// @param s Array of ECDSA signature s parameters.
    function batchFillOrKillOrders(
        address[5][] orderAddresses,
        uint[6][] orderValues,
        uint[] fillTakerTokenAmounts,
        uint8[] v,
        bytes32[] r,
        bytes32[] s)
        public
    {
        for (uint i = 0; i < orderAddresses.length; i++) {
            fillOrKillOrder(
                orderAddresses[i],
                orderValues[i],
                fillTakerTokenAmounts[i],
                v[i],
                r[i],
                s[i]
            );
        }
    }

    /// @dev Synchronously executes multiple fill orders in a single transaction until total fillTakerTokenAmount filled.
    /// @param orderAddresses Array of address arrays containing individual order addresses.
    /// @param orderValues Array of uint arrays containing individual order values.
    /// @param fillTakerTokenAmount Desired total amount of takerToken to fill in orders.
    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfers will fail before attempting.
    /// @param v Array ECDSA signature v parameters.
    /// @param r Array of ECDSA signature r parameters.
    /// @param s Array of ECDSA signature s parameters.
    /// @return Total amount of fillTakerTokenAmount filled in orders.
    function fillOrdersUpTo(
        address[5][] orderAddresses,
        uint[6][] orderValues,
        uint fillTakerTokenAmount,
        bool shouldThrowOnInsufficientBalanceOrAllowance,
        uint8[] v,
        bytes32[] r,
        bytes32[] s)
        public
        returns (uint)
    {
        uint filledTakerTokenAmount = 0;
        for (uint i = 0; i < orderAddresses.length; i++) {
            require(orderAddresses[i][3] == orderAddresses[0][3]); // takerToken must be the same for each order
            filledTakerTokenAmount = safeAdd(filledTakerTokenAmount, fillOrder(
                orderAddresses[i],
                orderValues[i],
                safeSub(fillTakerTokenAmount, filledTakerTokenAmount),
                shouldThrowOnInsufficientBalanceOrAllowance,
                v[i],
                r[i],
                s[i]
            ));
            if (filledTakerTokenAmount == fillTakerTokenAmount) break;
        }
        return filledTakerTokenAmount;
    }

    /// @dev Synchronously cancels multiple orders in a single transaction.
    /// @param orderAddresses Array of address arrays containing individual order addresses.
    /// @param orderValues Array of uint arrays containing individual order values.
    /// @param cancelTakerTokenAmounts Array of desired amounts of takerToken to cancel in orders.
    function batchCancelOrders(
        address[5][] orderAddresses,
        uint[6][] orderValues,
        uint[] cancelTakerTokenAmounts)
        public
    {
        for (uint i = 0; i < orderAddresses.length; i++) {
            cancelOrder(
                orderAddresses[i],
                orderValues[i],
                cancelTakerTokenAmounts[i]
            );
        }
    }

    /*
    * Constant public functions
    */

    /// @dev Calculates Keccak-256 hash of order with specified parameters.
    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
    /// @return Keccak-256 hash of order.
    function getOrderHash(address[5] orderAddresses, uint[6] orderValues)
        public
        constant
        returns (bytes32)
    {
        return keccak256(
            address(this),
            orderAddresses[0], // maker
            orderAddresses[1], // taker
            orderAddresses[2], // makerToken
            orderAddresses[3], // takerToken
            orderAddresses[4], // feeRecipient
            orderValues[0],    // makerTokenAmount
            orderValues[1],    // takerTokenAmount
            orderValues[2],    // makerFee
            orderValues[3],    // takerFee
            orderValues[4],    // expirationTimestampInSec
            orderValues[5]     // salt
        );
    }

    /// @dev Verifies that an order signature is valid.
    /// @param signer address of signer.
    /// @param hash Signed Keccak-256 hash.
    /// @param v ECDSA signature parameter v.
    /// @param r ECDSA signature parameters r.
    /// @param s ECDSA signature parameters s.
    /// @return Validity of order signature.
    function isValidSignature(
        address signer,
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s)
        public
        constant
        returns (bool)
    {
        return signer == ecrecover(
            keccak256("\x19Ethereum Signed Message:\n32", hash),
            v,
            r,
            s
        );
    }

    /// @dev Checks if rounding error > 0.1%.
    /// @param numerator Numerator.
    /// @param denominator Denominator.
    /// @param target Value to multiply with numerator/denominator.
    /// @return Rounding error is present.
    function isRoundingError(uint numerator, uint denominator, uint target)
        public
        constant
        returns (bool)
    {
        uint remainder = mulmod(target, numerator, denominator);
        if (remainder == 0) return false; // No rounding error.

        uint errPercentageTimes1000000 = safeDiv(
            safeMul(remainder, 1000000),
            safeMul(numerator, target)
        );
        return errPercentageTimes1000000 > 1000;
    }

    /// @dev Calculates partial value given a numerator and denominator.
    /// @param numerator Numerator.
    /// @param denominator Denominator.
    /// @param target Value to calculate partial of.
    /// @return Partial value of target.
    function getPartialAmount(uint numerator, uint denominator, uint target)
        public
        constant
        returns (uint)
    {
        return safeDiv(safeMul(numerator, target), denominator);
    }

    /// @dev Calculates the sum of values already filled and cancelled for a given order.
    /// @param orderHash The Keccak-256 hash of the given order.
    /// @return Sum of values already filled and cancelled.
    function getUnavailableTakerTokenAmount(bytes32 orderHash)
        public
        constant
        returns (uint)
    {
        return safeAdd(filled[orderHash], cancelled[orderHash]);
    }


    /*
    * Internal functions
    */

    /// @dev Transfers a token using TokenTransferProxy transferFrom function.
    /// @param token Address of token to transferFrom.
    /// @param from Address transfering token.
    /// @param to Address receiving token.
    /// @param value Amount of token to transfer.
    /// @return Success of token transfer.
    function transferViaTokenTransferProxy(
        address token,
        address from,
        address to,
        uint value)
        internal
        returns (bool)
    {
        return TokenTransferProxy(TOKEN_TRANSFER_PROXY_CONTRACT).transferFrom(token, from, to, value);
    }

    /// @dev Checks if any order transfers will fail.
    /// @param order Order struct of params that will be checked.
    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
    /// @return Predicted result of transfers.
    function isTransferable(Order order, uint fillTakerTokenAmount)
        internal
        constant  // The called token contracts may attempt to change state, but will not be able to due to gas limits on getBalance and getAllowance.
        returns (bool)
    {
        address taker = msg.sender;
        uint fillMakerTokenAmount = getPartialAmount(fillTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount);

        if (order.feeRecipient != address(0)) {
            bool isMakerTokenZRX = order.makerToken == ZRX_TOKEN_CONTRACT;
            bool isTakerTokenZRX = order.takerToken == ZRX_TOKEN_CONTRACT;
            uint paidMakerFee = getPartialAmount(fillTakerTokenAmount, order.takerTokenAmount, order.makerFee);
            uint paidTakerFee = getPartialAmount(fillTakerTokenAmount, order.takerTokenAmount, order.takerFee);
            uint requiredMakerZRX = isMakerTokenZRX ? safeAdd(fillMakerTokenAmount, paidMakerFee) : paidMakerFee;
            uint requiredTakerZRX = isTakerTokenZRX ? safeAdd(fillTakerTokenAmount, paidTakerFee) : paidTakerFee;

            if (   getBalance(ZRX_TOKEN_CONTRACT, order.maker) < requiredMakerZRX
                || getAllowance(ZRX_TOKEN_CONTRACT, order.maker) < requiredMakerZRX
                || getBalance(ZRX_TOKEN_CONTRACT, taker) < requiredTakerZRX
                || getAllowance(ZRX_TOKEN_CONTRACT, taker) < requiredTakerZRX
            ) return false;

            if (!isMakerTokenZRX && (   getBalance(order.makerToken, order.maker) < fillMakerTokenAmount // Don't double check makerToken if ZRX
                                     || getAllowance(order.makerToken, order.maker) < fillMakerTokenAmount)
            ) return false;
            if (!isTakerTokenZRX && (   getBalance(order.takerToken, taker) < fillTakerTokenAmount // Don't double check takerToken if ZRX
                                     || getAllowance(order.takerToken, taker) < fillTakerTokenAmount)
            ) return false;
        } else if (   getBalance(order.makerToken, order.maker) < fillMakerTokenAmount
                   || getAllowance(order.makerToken, order.maker) < fillMakerTokenAmount
                   || getBalance(order.takerToken, taker) < fillTakerTokenAmount
                   || getAllowance(order.takerToken, taker) < fillTakerTokenAmount
        ) return false;

        return true;
    }

    /// @dev Get token balance of an address.
    /// @param token Address of token.
    /// @param owner Address of owner.
    /// @return Token balance of owner.
    function getBalance(address token, address owner)
        internal
        constant  // The called token contract may attempt to change state, but will not be able to due to an added gas limit.
        returns (uint)
    {
        return Token(token).balanceOf.gas(EXTERNAL_QUERY_GAS_LIMIT)(owner); // Limit gas to prevent reentrancy
    }

    /// @dev Get allowance of token given to TokenTransferProxy by an address.
    /// @param token Address of token.
    /// @param owner Address of owner.
    /// @return Allowance of token given to TokenTransferProxy by owner.
    function getAllowance(address token, address owner)
        internal
        constant  // The called token contract may attempt to change state, but will not be able to due to an added gas limit.
        returns (uint)
    {
        return Token(token).allowance.gas(EXTERNAL_QUERY_GAS_LIMIT)(owner, TOKEN_TRANSFER_PROXY_CONTRACT); // Limit gas to prevent reentrancy
    }
}

    Contract ABI  
[{"constant":true,"inputs":[{"name":"numerator","type":"uint256"},{"name":"denominator","type":"uint256"},{"name":"target","type":"uint256"}],"name":"isRoundingError","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"filled","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"cancelled","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"orderAddresses","type":"address[5][]"},{"name":"orderValues","type":"uint256[6][]"},{"name":"fillTakerTokenAmount","type":"uint256"},{"name":"shouldThrowOnInsufficientBalanceOrAllowance","type":"bool"},{"name":"v","type":"uint8[]"},{"name":"r","type":"bytes32[]"},{"name":"s","type":"bytes32[]"}],"name":"fillOrdersUpTo","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"orderAddresses","type":"address[5]"},{"name":"orderValues","type":"uint256[6]"},{"name":"cancelTakerTokenAmount","type":"uint256"}],"name":"cancelOrder","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"ZRX_TOKEN_CONTRACT","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"orderAddresses","type":"address[5][]"},{"name":"orderValues","type":"uint256[6][]"},{"name":"fillTakerTokenAmounts","type":"uint256[]"},{"name":"v","type":"uint8[]"},{"name":"r","type":"bytes32[]"},{"name":"s","type":"bytes32[]"}],"name":"batchFillOrKillOrders","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"orderAddresses","type":"address[5]"},{"name":"orderValues","type":"uint256[6]"},{"name":"fillTakerTokenAmount","type":"uint256"},{"name":"v","type":"uint8"},{"name":"r","type":"bytes32"},{"name":"s","type":"bytes32"}],"name":"fillOrKillOrder","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"orderHash","type":"bytes32"}],"name":"getUnavailableTakerTokenAmount","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"signer","type":"address"},{"name":"hash","type":"bytes32"},{"name":"v","type":"uint8"},{"name":"r","type":"bytes32"},{"name":"s","type":"bytes32"}],"name":"isValidSignature","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"numerator","type":"uint256"},{"name":"denominator","type":"uint256"},{"name":"target","type":"uint256"}],"name":"getPartialAmount","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"TOKEN_TRANSFER_PROXY_CONTRACT","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"orderAddresses","type":"address[5][]"},{"name":"orderValues","type":"uint256[6][]"},{"name":"fillTakerTokenAmounts","type":"uint256[]"},{"name":"shouldThrowOnInsufficientBalanceOrAllowance","type":"bool"},{"name":"v","type":"uint8[]"},{"name":"r","type":"bytes32[]"},{"name":"s","type":"bytes32[]"}],"name":"batchFillOrders","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"orderAddresses","type":"address[5][]"},{"name":"orderValues","type":"uint256[6][]"},{"name":"cancelTakerTokenAmounts","type":"uint256[]"}],"name":"batchCancelOrders","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"orderAddresses","type":"address[5]"},{"name":"orderValues","type":"uint256[6]"},{"name":"fillTakerTokenAmount","type":"uint256"},{"name":"shouldThrowOnInsufficientBalanceOrAllowance","type":"bool"},{"name":"v","type":"uint8"},{"name":"r","type":"bytes32"},{"name":"s","type":"bytes32"}],"name":"fillOrder","outputs":[{"name":"filledTakerTokenAmount","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"orderAddresses","type":"address[5]"},{"name":"orderValues","type":"uint256[6]"}],"name":"getOrderHash","outputs":[{"name":"","type":"bytes32"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"EXTERNAL_QUERY_GAS_LIMIT","outputs":[{"name":"","type":"uint16"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"VERSION","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"inputs":[{"name":"_zrxToken","type":"address"},{"name":"_tokenTransferProxy","type":"address"}],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"maker","type":"address"},{"indexed":false,"name":"taker","type":"address"},{"indexed":true,"name":"feeRecipient","type":"address"},{"indexed":false,"name":"makerToken","type":"address"},{"indexed":false,"name":"takerToken","type":"address"},{"indexed":false,"name":"filledMakerTokenAmount","type":"uint256"},{"indexed":false,"name":"filledTakerTokenAmount","type":"uint256"},{"indexed":false,"name":"paidMakerFee","type":"uint256"},{"indexed":false,"name":"paidTakerFee","type":"uint256"},{"indexed":true,"name":"tokens","type":"bytes32"},{"indexed":false,"name":"orderHash","type":"bytes32"}],"name":"LogFill","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"maker","type":"address"},{"indexed":true,"name":"feeRecipient","type":"address"},{"indexed":false,"name":"makerToken","type":"address"},{"indexed":false,"name":"takerToken","type":"address"},{"indexed":false,"name":"cancelledMakerTokenAmount","type":"uint256"},{"indexed":false,"name":"cancelledTakerTokenAmount","type":"uint256"},{"indexed":true,"name":"tokens","type":"bytes32"},{"indexed":false,"name":"orderHash","type":"bytes32"}],"name":"LogCancel","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"errorId","type":"uint8"},{"indexed":true,"name":"orderHash","type":"bytes32"}],"name":"LogError","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)
000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f4980000000000000000000000008da0d80f5007ef1e431dd2127178d224e32c2ef4

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498
Arg [1] : 0000000000000000000000008da0d80f5007ef1e431dd2127178d224e32c2ef4


   Swarm Source:
bzzr://df5cabdc3a116e993e10bfb14823d18d9b798038d4c463a1703f9a584c456b7e

 

View All
Block Age transaction Difficulty GasUsed Reward
View All
Block Age UncleNumber Difficulty GasUsed Reward
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.