Latest 25 txns From a total of 140281 Transactions

TxHash Age From To Value [TxFee]
0xc01a2691ed68369a74f4cc0e03debae12e921cdb5c559824c240aa20cf9ea5ca 41 secs ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000903912
0x4bf9d85297e922b7271c3d9e06f456e5e23152b15af8e42a1a1d8c86169ad0f91 min ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000904128
0x4664f25ccb9fee44546b003c20fce4fd0f214d1b2aee16d3d1c215b9d2863c062 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.00090464
0x96287d2be965ff4042554b009d6ecf56803a0e26f2ae3f9f4daa14e71662c64c2 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0x07b4e82521ee336f1444e150b2efa9dc36a496dac7bbbb5785a906ffbdfc4fad2 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xfda52e912d87be71a37b1928e38653007c15256351794d04df2c4db0103eb86d3 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0x270b1d9a1ca4d7f5a2d88ccfbd245af1e340d0f02c0a19440a101654c62a53383 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000903284
0x56a23a47ec08d15c67f027c73ce19138e4e524489de9519df00707fd1dd40bfb5 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xdb94fe4429fec6fb01e51c44b431e8684d29cef5a3634715c7441378619d31f65 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000904128
0x09f65e8f61834dc46f293f18782b5d8d6b78b360300fa0af966563a642064ad05 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.00096226
0x14c02fd562f1dae211560b203017b0e3f665e99edd01e23fe6a79db63799a6395 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xb0dd70112cd9006f19d2b04f2b2328c0da085eecfc6a6812cd04200a148bbe1d7 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xcc0b6d74d2fdc5674a67000fa5808643da91992e3fe9f62b8d45e59d3f21c97a8 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xef4ab96a1396dd4ee4df567900dd16c0f247d95278d5871364fadcb0d47248618 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000904128
0x4b28c969c3a50d6b060164b4d2275ef1d7217bc6464054d2bf85e421010b124b8 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000902516
0x4ed2b2debfff96c37ea2b76eb536d2661b8e11b6fa3ac4bbdd238e1a763c54968 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000904424
0x58ca75fa288a7ae2327d1217a1500376d492b418f76d8893c4eae9cd1791aecb9 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0x9c88fce2d8e1dc6de3c0a5c70955951ab663b71d5f5a9a1b47104cadc9615b9210 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0x5b01d5410a6cda5edb97a06c96e36788e5ec66a0adefa7de0312db6b7e3ba5ee10 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xbc1b45ac87359d9ad8164fa0d834a5ff1bd6fd9b67f28f37499fd63edeb54b2e11 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xa5eafb9d330d0059942483a7e6e72d562201a06be330298366754b507af0604e12 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0x16118407d6d486d3a46e0b2ad8ef5a7557a437ff011ebd6d391e00fc3a1e3c0812 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0x66bf7ed18a806bb873160f94fb782855f9ecfae68402007376846eb0aa1b6eb013 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000572196
0xb4a5a20dbc1fe13b633ccf066f306925c4687656b0a2ce135e9dca6811f0509013 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000904936
0x5505d6d3b3506e4e94f0b691ac7ed85d3e7f060668c940cfd3d2b42f76ed065713 mins ago0x4bda106325c335df99eab7fe363cac8a0ba2a24d  IN   0x479cc461fecd078f766ecc58533d6f69580cf3ac0 Ether0.000963284
[ 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;

/*

  Copyright 2017 ZeroEx Inc.

  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.

*/

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);
}

/*
 * 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;
        }
    }
}

/// @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)
000000000000000000000000a8e9fa8f91e5ae138c74648c9c304f1c75003a8d0000000000000000000000004e9aad8184de8833365fea970cd9149372fdf1e6

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000a8e9fa8f91e5ae138c74648c9c304f1c75003a8d
Arg [1] : 0000000000000000000000004e9aad8184de8833365fea970cd9149372fdf1e6


   Swarm Source:
bzzr://f259e569c27485a6fd8155024f21084411793148990c61c7ba1a7232c7da0e7f

 

View All
Block Age transaction Difficulty Reward
View All
Block Age UncleNumber Difficulty GasUsed Reward