Ported Balance Threshold Filter to new contract directory structure

6 files changed, 0 insertions, 2242 deletions

diff --git a/packages/contracts/contracts/extensions/BalanceThresholdFilter/BalanceThresholdFilter.sol b/packages/contracts/contracts/extensions/BalanceThresholdFilter/BalanceThresholdFilter.sol
deleted file mode 100644
index bf4a94509..000000000
--- a/packages/contracts/contracts/extensions/BalanceThresholdFilter/BalanceThresholdFilter.sol
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
-
-  Copyright 2018 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 0.4.24;
-pragma experimental ABIEncoderV2;
-
-import "../../protocol/Exchange/interfaces/IExchange.sol";
-import "./interfaces/IThresholdAsset.sol";
-import "./MixinBalanceThresholdFilterCore.sol";
-
-
-contract BalanceThresholdFilter is MixinBalanceThresholdFilterCore {
-
-    /// @dev Constructs BalanceThresholdFilter.
-    /// @param exchange Address of 0x exchange.
-    /// @param thresholdAsset The asset that must be held by makers/takers.
-    /// @param thresholdBalance The minimum balance of `thresholdAsset` that must be held by makers/takers.
-    constructor(
-        address exchange,
-        address thresholdAsset,
-        uint256 thresholdBalance
-    )
-        public
-    {
-        EXCHANGE = IExchange(exchange);
-        THRESHOLD_ASSET = IThresholdAsset(thresholdAsset);
-        THRESHOLD_BALANCE = thresholdBalance;
-    }
-}
\ No newline at end of file
diff --git a/packages/contracts/contracts/extensions/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol b/packages/contracts/contracts/extensions/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol
deleted file mode 100644
index 0ad8ccddf..000000000
--- a/packages/contracts/contracts/extensions/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
-
-  Copyright 2018 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 0.4.24;
-pragma experimental ABIEncoderV2;
-
-import "./mixins/MBalanceThresholdFilterCore.sol";
-
-
-contract MixinBalanceThresholdFilterCore is MBalanceThresholdFilterCore {
-
-    /// @dev Executes an Exchange transaction iff the maker and taker meet 
-    ///      the hold at least `BALANCE_THRESHOLD` of the asset `THRESHOLD_ASSET` OR 
-    ///      the exchange function is a cancellation.
-    ///      Supported Exchange functions:
-    ///         - batchFillOrders
-    ///         - batchFillOrdersNoThrow
-    ///         - batchFillOrKillOrders
-    ///         - fillOrder
-    ///         - fillOrderNoThrow
-    ///         - fillOrKillOrder
-    ///         - marketBuyOrders
-    ///         - marketBuyOrdersNoThrow
-    ///         - marketSellOrders
-    ///         - marketSellOrdersNoThrow
-    ///         - matchOrders
-    ///         - cancelOrder
-    ///         - batchCancelOrders
-    ///         - cancelOrdersUpTo
-    ///     Trying to call any other exchange function will throw.
-    /// @param salt Arbitrary number to ensure uniqueness of transaction hash.
-    /// @param signerAddress Address of transaction signer.
-    /// @param signedExchangeTransaction AbiV2 encoded calldata.
-    /// @param signature Proof of signer transaction by signer.
-    function executeTransaction(
-        uint256 salt,
-        address signerAddress,
-        bytes signedExchangeTransaction,
-        bytes signature
-    ) 
-         external
-    {
-        // Validate addresses.
-        validateBalanceThresholdsOrRevert();
-        
-        // All addresses are valid. Execute fillOrder.
-        EXCHANGE.executeTransaction(
-            salt,
-            signerAddress,
-            signedExchangeTransaction,
-            signature
-        );
-    }
-
-    /// @dev Validates addresses meet the balance threshold specified by `BALANCE_THRESHOLD`
-    ///      for the asset `THRESHOLD_ASSET`. If one address does not meet the thresold
-    ///      then this function will revert. Which addresses are validated depends on
-    ///      which Exchange function is to be called (defined by `signedExchangeTransaction` above).
-    ///      No parameters are taken as this function reads arguments directly from calldata, to save gas.
-    ///      If all addresses are valid then this function emits a ValidatedAddresses event, listing all
-    ///      of the addresses whose balance thresholds it checked.
-    function validateBalanceThresholdsOrRevert()
-        internal
-    {
-        // Addresses that are validated below.
-        address[] memory validatedAddresses;
-
-        ///// Do not add variables after this point.         /////
-        ///// The assembly block may overwrite their values. /////
-
-        // Validate addresses
-        assembly {
-             /// @dev Emulates the `calldataload` opcode on the embedded Exchange calldata,
-             ///      which is accessed through `signedExchangeTransaction`.
-             /// @param offset - Offset into the Exchange calldata.
-             /// @return value - Corresponding 32 byte value stored at `offset`.
-            function exchangeCalldataload(offset) -> value {
-                // Pointer to exchange transaction
-                // 0x04 for calldata selector
-                // 0x40 to access `signedExchangeTransaction`, which is the third parameter
-                let exchangeTxPtr := calldataload(0x44)
-
-                // Offset into Exchange calldata
-                // We compute this by adding 0x24 to the `exchangeTxPtr` computed above.
-                // 0x04 for calldata selector
-                // 0x20 for length field of `signedExchangeTransaction`
-                let exchangeCalldataOffset := add(exchangeTxPtr, add(0x24, offset))
-                value := calldataload(exchangeCalldataOffset)
-            }
-
-            /// @dev Convenience function that skips the 4 byte selector when loading
-            ///      from the embedded Exchange calldata.
-            /// @param offset - Offset into the Exchange calldata (minus the 4 byte selector)
-            /// @return value - Corresponding 32 byte value stored at `offset` + 4.
-            function loadExchangeData(offset) -> value {
-                value := exchangeCalldataload(add(offset, 0x4))
-            }
-
-             /// @dev A running list is maintained of addresses to validate. 
-             ///     This function records an address in this array.
-             /// @param addressToValidate - Address to record for validation.
-            function recordAddressToValidate(addressToValidate) {
-                // Compute `addressesToValidate` memory offset
-                let addressesToValidate_ := mload(0x40)
-                let nAddressesToValidate_ := mload(addressesToValidate_)
-
-                // Increment length
-                nAddressesToValidate_ := add(mload(addressesToValidate_), 0x01)
-                mstore(addressesToValidate_, nAddressesToValidate_)
-
-                // Append address to validate
-                let offset := mul(nAddressesToValidate_, 0x20)
-                mstore(add(addressesToValidate_, offset), addressToValidate)
-            }
-
-             /// @dev Extracts the maker address from an order stored in the Exchange calldata
-             ///      (which is embedded in `signedExchangeTransaction`), and records it in
-             ///      the running list of addresses to validate.
-             /// @param orderParamIndex - Index of the order in the Exchange function's signature
-            function recordMakerAddressFromOrder(orderParamIndex) {
-                let orderPtr := loadExchangeData(mul(orderParamIndex, 0x20))
-                let makerAddress := loadExchangeData(orderPtr)
-                recordAddressToValidate(makerAddress)
-            }
-
-            /// @dev Extracts the maker addresses from an array of orders stored in the Exchange calldata
-            ///      (which is embedded in `signedExchangeTransaction`), and records them in
-            ///      the running list of addresses to validate.
-            /// @param orderArrayParamIndex - Index of the order array in the Exchange function's signature
-            function recordMakerAddressesFromOrderArray(orderArrayParamIndex) {
-                let orderArrayPtr := loadExchangeData(mul(orderArrayParamIndex, 0x20))
-                let orderArrayLength := loadExchangeData(orderArrayPtr)
-                let orderArrayElementPtr := add(orderArrayPtr, 0x20)
-                let orderArrayElementEndPtr := add(orderArrayElementPtr, mul(orderArrayLength, 0x20))
-                for {let orderPtrOffset := orderArrayElementPtr} lt(orderPtrOffset, orderArrayElementEndPtr) {orderPtrOffset := add(orderPtrOffset, 0x20)} {
-                    let orderPtr := loadExchangeData(orderPtrOffset)
-                    let makerAddress := loadExchangeData(add(orderPtr, orderArrayElementPtr))
-                    recordAddressToValidate(makerAddress)
-                }
-            }
-
-            /// @dev Records address of signer in the running list of addresses to validate.
-            /// @note: We cannot access `signerAddress` directly from within the asm function,
-            ///        so it is loaded from the calldata.
-            function recordSignerAddress() {
-                // Load the signer address from calldata
-                // 0x04 for selector
-                // 0x20 to access `signerAddress`, which is the second parameter.
-                let signerAddress_ := calldataload(0x24)
-                recordAddressToValidate(signerAddress_)
-            }
-
-            /// @dev Records addresses to be validated when Exchange transaction is a batch fill variant.
-            ///      This is one of: batchFillOrders, batchFillOrKillOrders, batchFillNoThrow
-            ///      Reference signature<T>: <batchFillVariant>(Order[],uint256[],bytes[])
-            function recordAddressesForBatchFillVariant() {
-                // Record maker addresses from order array (parameter index 0)
-                // The signer is the taker for these orders and must also be validated.
-                recordMakerAddressesFromOrderArray(0)
-                recordSignerAddress()
-            }
-
-            /// @dev Records addresses to be validated when Exchange transaction is a fill order variant.
-            ///      This is one of: fillOrder, fillOrKillOrder, fillOrderNoThrow
-            ///      Reference signature<T>: <fillOrderVariant>(Order,uint256,bytes)
-            function recordAddressesForFillOrderVariant() {
-                // Record maker address from the order (param index 0)
-                // The signer is the taker for this order and must also be validated.
-                recordMakerAddressFromOrder(0)
-                recordSignerAddress()
-            }
-
-            /// @dev Records addresses to be validated when Exchange transaction is a market fill variant.
-            ///      This is one of: marketBuyOrders, marketBuyOrdersNoThrow, marketSellOrders, marketSellOrdersNoThrow
-            ///      Reference signature<T>: <marketFillInvariant>(Order[],uint256,bytes[])
-            function recordAddressesForMarketFillVariant() {
-                // Record maker addresses from order array (parameter index 0)
-                // The signer is the taker for these orders and must also be validated.
-                recordMakerAddressesFromOrderArray(0)
-                recordSignerAddress()
-            }
-
-            /// @dev Records addresses to be validated when Exchange transaction is matchOrders.
-            ///      Reference signature: matchOrders(Order,Order)
-            function recordAddressesForMatchOrders() {
-                // Record maker address from both orders (param indices 0 & 1).
-                // The signer is the taker and must also be validated.
-                recordMakerAddressFromOrder(0)
-                recordMakerAddressFromOrder(1)
-                recordSignerAddress()
-            }
-
-            ///// Record Addresses to Validate /////
-
-            // Addresses needing validation depends on which Exchange function is being called.
-            // Step 1/2 Read the exchange function selector.
-            let exchangeFunctionSelector := and(
-                exchangeCalldataload(0x0),
-                0xffffffff00000000000000000000000000000000000000000000000000000000
-            )
-
-            // Step 2/2 Extract addresses to validate based on this selector.
-            //          See ../../utils/ExchangeSelectors/ExchangeSelectors.sol for selectors
-            switch exchangeFunctionSelector
-            case 0x297bb70b00000000000000000000000000000000000000000000000000000000 { recordAddressesForBatchFillVariant() }    // batchFillOrders
-            case 0x50dde19000000000000000000000000000000000000000000000000000000000 { recordAddressesForBatchFillVariant() }    // batchFillOrdersNoThrow
-            case 0x4d0ae54600000000000000000000000000000000000000000000000000000000 { recordAddressesForBatchFillVariant() }    // batchFillOrKillOrders
-            case 0xb4be83d500000000000000000000000000000000000000000000000000000000 { recordAddressesForFillOrderVariant() }    // fillOrder
-            case 0x3e228bae00000000000000000000000000000000000000000000000000000000 { recordAddressesForFillOrderVariant() }    // fillOrderNoThrow
-            case 0x64a3bc1500000000000000000000000000000000000000000000000000000000 { recordAddressesForFillOrderVariant() }    // fillOrKillOrder
-            case 0xe5fa431b00000000000000000000000000000000000000000000000000000000 { recordAddressesForMarketFillVariant() }   // marketBuyOrders
-            case 0xa3e2038000000000000000000000000000000000000000000000000000000000 { recordAddressesForMarketFillVariant() }   // marketBuyOrdersNoThrow
-            case 0x7e1d980800000000000000000000000000000000000000000000000000000000 { recordAddressesForMarketFillVariant() }   // marketSellOrders
-            case 0xdd1c7d1800000000000000000000000000000000000000000000000000000000 { recordAddressesForMarketFillVariant() }   // marketSellOrdersNoThrow
-            case 0x3c28d86100000000000000000000000000000000000000000000000000000000 { recordAddressesForMatchOrders() }         // matchOrders
-            case 0xd46b02c300000000000000000000000000000000000000000000000000000000 {}                                          // cancelOrder
-            case 0x4ac1478200000000000000000000000000000000000000000000000000000000 {}                                          // batchCancelOrders
-            case 0x4f9559b100000000000000000000000000000000000000000000000000000000 {}                                          // cancelOrdersUpTo
-            default {
-                // Revert with `Error("INVALID_OR_BLOCKED_EXCHANGE_SELECTOR")`
-                mstore(0x00, 0x08c379a000000000000000000000000000000000000000000000000000000000)
-                mstore(0x20, 0x0000002000000000000000000000000000000000000000000000000000000000)
-                mstore(0x40, 0x00000024494e56414c49445f4f525f424c4f434b45445f45584348414e47455f)
-                mstore(0x60, 0x53454c4543544f52000000000000000000000000000000000000000000000000)
-                mstore(0x80, 0x00000000)
-                // Revert length calculation:
-                // 4   -- error selector
-                // 32  -- offset to string
-                // 32  -- string length field
-                // 64  -- strlen(INVALID_OR_BLOCKED_EXCHANGE_SELECTOR) rounded up to nearest 32-byte word.
-                revert(0, 132)
-            }
-
-            ///// Validate Recorded Addresses /////
-
-            // Load from memory the addresses to validate
-            let addressesToValidate := mload(0x40)
-            let addressesToValidateLength := mload(addressesToValidate)
-            let addressesToValidateElementPtr := add(addressesToValidate, 0x20)
-            let addressesToValidateElementEndPtr := add(addressesToValidateElementPtr, mul(addressesToValidateLength, 0x20))
-
-            // Set free memory pointer to after `addressesToValidate` array.
-            // This is to avoid corruption when making calls in the loop below.
-            let freeMemPtr := addressesToValidateElementEndPtr
-            mstore(0x40, freeMemPtr)
-
-            // Validate addresses
-            let thresholdAssetAddress := sload(THRESHOLD_ASSET_slot)
-            let thresholdBalance := sload(THRESHOLD_BALANCE_slot)
-            for {let addressToValidate := addressesToValidateElementPtr} lt(addressToValidate, addressesToValidateElementEndPtr) {addressToValidate := add(addressToValidate, 0x20)} {
-                // Construct calldata for `THRESHOLD_ASSET.balanceOf`
-                mstore(freeMemPtr, 0x70a0823100000000000000000000000000000000000000000000000000000000)
-                mstore(add(freeMemPtr, 0x04), mload(addressToValidate))
-               
-                // call `THRESHOLD_ASSET.balanceOf`
-                let success := call(
-                    gas,                                    // forward all gas
-                    thresholdAssetAddress,                 // call address of asset proxy
-                    0,                                      // don't send any ETH
-                    freeMemPtr,                             // pointer to start of input
-                    0x24,                                   // length of input (one padded address) 
-                    freeMemPtr,                             // write output to next free memory offset
-                    0x20                                    // reserve space for return balance (0x20 bytes)
-                )
-                if eq(success, 0) {
-                    // @TODO Revert with `Error("BALANCE_QUERY_FAILED")`
-                    mstore(0x00, 0x08c379a000000000000000000000000000000000000000000000000000000000)
-                    mstore(0x20, 0x0000002000000000000000000000000000000000000000000000000000000000)
-                    mstore(0x40, 0x0000001442414c414e43455f51554552595f4641494c45440000000000000000)
-                    mstore(0x60, 0x00000000)
-                    // Revert length calculation:
-                    // 4   -- error selector
-                    // 32  -- offset to string
-                    // 32  -- string length field
-                    // 32  -- strlen(BALANCE_QUERY_FAILED) rounded up to nearest 32-byte word.
-                    revert(0, 100)
-                }
-
-                // Revert if balance not held
-                let addressBalance := mload(freeMemPtr)
-                if lt(addressBalance, thresholdBalance) {
-                    // Revert with `Error("AT_LEAST_ONE_ADDRESS_DOES_NOT_MEET_BALANCE_THRESHOLD")`
-                    mstore(0x00, 0x08c379a000000000000000000000000000000000000000000000000000000000)
-                    mstore(0x20, 0x0000002000000000000000000000000000000000000000000000000000000000)
-                    mstore(0x40, 0x0000003441545f4c454153545f4f4e455f414444524553535f444f45535f4e4f)
-                    mstore(0x60, 0x545f4d4545545f42414c414e43455f5448524553484f4c440000000000000000)
-                    mstore(0x80, 0x00000000)
-                    // Revert length calculation:
-                    // 4   -- error selector
-                    // 32  -- offset to string
-                    // 32  -- string length field
-                    // 64  -- strlen(AT_LEAST_ONE_ADDRESS_DOES_NOT_MEET_BALANCE_THRESHOLD) rounded up to nearest 32-byte word.
-                    revert(0, 132)
-                }
-            }
-
-            // Record validated addresses
-            validatedAddresses := addressesToValidate
-        }
-
-        ///// If we hit this point then all addresses are valid /////
-        emit ValidatedAddresses(validatedAddresses);
-    }
-}
\ No newline at end of file
diff --git a/packages/contracts/contracts/extensions/BalanceThresholdFilter/interfaces/IThresholdAsset.sol b/packages/contracts/contracts/extensions/BalanceThresholdFilter/interfaces/IThresholdAsset.sol
deleted file mode 100644
index 61acaba0a..000000000
--- a/packages/contracts/contracts/extensions/BalanceThresholdFilter/interfaces/IThresholdAsset.sol
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
-
-  Copyright 2018 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 0.4.24;
-
-contract IThresholdAsset {
-
-    /// @param _owner The address from which the balance will be retrieved
-    /// @return Balance of owner
-    function balanceOf(address _owner)
-        external
-        view
-        returns (uint256);
-
-}
\ No newline at end of file
diff --git a/packages/contracts/contracts/extensions/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol b/packages/contracts/contracts/extensions/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol
deleted file mode 100644
index 612fd481c..000000000
--- a/packages/contracts/contracts/extensions/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
-
-  Copyright 2018 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 0.4.24;
-pragma experimental ABIEncoderV2;
-
-import "../../../protocol/Exchange/interfaces/IExchange.sol";
-import "../interfaces/IThresholdAsset.sol";
-
-
-contract MBalanceThresholdFilterCore {
-
-    // Points to 0x exchange contract
-    IExchange internal EXCHANGE;
-
-    // The asset that must be held by makers/takers
-    IThresholdAsset internal THRESHOLD_ASSET;
-
-    // The minimum balance of `THRESHOLD_ASSET` that must be held by makers/takers
-    uint256 internal THRESHOLD_BALANCE;
-
-    // Addresses that hold at least `THRESHOLD_BALANCE` of `THRESHOLD_ASSET`
-    event ValidatedAddresses (
-        address[] addresses
-    );
-
-    /// @dev Executes an Exchange transaction iff the maker and taker meet 
-    ///      the hold at least `BALANCE_THRESHOLD` of the asset `THRESHOLD_ASSET` OR 
-    ///      the exchange function is a cancellation.
-    ///      Supported Exchange functions:
-    ///         - batchFillOrders
-    ///         - batchFillOrdersNoThrow
-    ///         - batchFillOrKillOrders
-    ///         - fillOrder
-    ///         - fillOrderNoThrow
-    ///         - fillOrKillOrder
-    ///         - marketBuyOrders
-    ///         - marketBuyOrdersNoThrow
-    ///         - marketSellOrders
-    ///         - marketSellOrdersNoThrow
-    ///         - matchOrders
-    ///         - cancelOrder
-    ///         - batchCancelOrders
-    ///         - cancelOrdersUpTo
-    ///     Trying to call any other exchange function will throw.
-    /// @param salt Arbitrary number to ensure uniqueness of transaction hash.
-    /// @param signerAddress Address of transaction signer.
-    /// @param signedExchangeTransaction AbiV2 encoded calldata.
-    /// @param signature Proof of signer transaction by signer.
-    function executeTransaction(
-        uint256 salt,
-        address signerAddress,
-        bytes signedExchangeTransaction,
-        bytes signature
-    ) 
-        external;
-
-    /// @dev Validates addresses meet the balance threshold specified by `BALANCE_THRESHOLD`
-    ///      for the asset `THRESHOLD_ASSET`. If one address does not meet the thresold
-    ///      then this function will revert. Which addresses are validated depends on
-    ///      which Exchange function is to be called (defined by `signedExchangeTransaction` above).
-    ///      No parameters are taken as this function reads arguments directly from calldata, to save gas.
-    ///      If all addresses are valid then this function emits a ValidatedAddresses event, listing all
-    ///      of the addresses whose balance thresholds it checked.
-    function validateBalanceThresholdsOrRevert() internal;
-}
\ No newline at end of file
diff --git a/packages/contracts/test/extensions/balance_threshold_filter.ts b/packages/contracts/test/extensions/balance_threshold_filter.ts
deleted file mode 100644
index c4723e7aa..000000000
--- a/packages/contracts/test/extensions/balance_threshold_filter.ts
+++ /dev/null
@@ -1,1521 +0,0 @@
-import { BlockchainLifecycle } from '@0x/dev-utils';
-import { assetDataUtils } from '@0x/order-utils';
-import { RevertReason, SignedOrder, Order } from '@0x/types';
-import { BigNumber } from '@0x/utils';
-import { Web3Wrapper } from '@0x/web3-wrapper';
-import * as chai from 'chai';
-import * as ethUtil from 'ethereumjs-util';
-import * as _ from 'lodash';
-import { TransactionReceiptWithDecodedLogs } from 'ethereum-types';
-
-import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
-import { ExchangeContract } from '../../generated-wrappers/exchange';
-import { BalanceThresholdFilterContract } from '../../generated-wrappers/balance_threshold_filter';
-
-import { artifacts } from '../../src/artifacts';
-import {
-    expectTransactionFailedAsync,
-    expectTransactionFailedWithoutReasonAsync,
-} from '../utils/assertions';
-import { chaiSetup } from '../utils/chai_setup';
-import { constants } from '../utils/constants';
-import { ERC20Wrapper } from '../utils/erc20_wrapper';
-import { ExchangeWrapper } from '../utils/exchange_wrapper';
-import { MatchOrderTester } from '../utils/match_order_tester';
-import { OrderFactory } from '../utils/order_factory';
-import { orderUtils } from '../utils/order_utils';
-import { TransactionFactory } from '../utils/transaction_factory';
-import { BalanceThresholdWrapper } from '../utils/balance_threshold_wrapper';
-import { ContractName, ERC20BalancesByOwner, SignedTransaction, OrderStatus } from '../utils/types';
-import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
-import { TestExchangeInternalsContract } from '../../generated-wrappers/test_exchange_internals';
-
-import { MethodAbi, AbiDefinition } from 'ethereum-types';
-import { AbiEncoder } from '@0x/utils';
-import { Method } from '@0x/utils/lib/src/abi_encoder';
-import { LogDecoder } from '../utils/log_decoder';
-import { ERC721Wrapper } from '../utils/erc721_wrapper';
-
-chaiSetup.configure();
-const expect = chai.expect;
-const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
-const DECIMALS_DEFAULT = 18;
-
-interface ValidatedAddressesLog {
-    args: {addresses: string[]}
-}
-
-describe.only(ContractName.BalanceThresholdFilter, () => {
-    let compliantMakerAddress: string;
-    let compliantMakerAddress2: string;
-    let owner: string;
-    let compliantTakerAddress: string;
-    let feeRecipientAddress: string;
-    let nonCompliantAddress: string;
-    let defaultMakerAssetAddress: string;
-    let defaultTakerAssetAddress: string;
-    let zrxAssetData: string;
-    let zrxToken: DummyERC20TokenContract;
-    let exchangeInstance: ExchangeContract;
-    let exchangeWrapper: ExchangeWrapper;
-
-    let orderFactory: OrderFactory;
-    let orderFactory2: OrderFactory;
-    let nonCompliantOrderFactory: OrderFactory;
-    let erc20Wrapper: ERC20Wrapper;
-    let erc20Balances: ERC20BalancesByOwner;
-    let erc20TakerBalanceThresholdWrapper: BalanceThresholdWrapper;
-    let erc721TakerBalanceThresholdWrapper: BalanceThresholdWrapper;
-    let erc721MakerBalanceThresholdWrapper: BalanceThresholdWrapper;
-    let erc721NonCompliantBalanceThresholdWrapper: BalanceThresholdWrapper;
-
-    let takerTransactionFactory: TransactionFactory;
-    let makerTransactionFactory: TransactionFactory;
-    let compliantSignedOrder: SignedOrder;
-    let compliantSignedOrder2: SignedOrder;
-    let compliantSignedFillOrderTx: SignedTransaction;
-
-    let logDecoder: LogDecoder;
-    let exchangeInternals: TestExchangeInternalsContract;
-
-    let defaultOrderParams: Partial<Order>;
-
-    const takerAssetAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(500), DECIMALS_DEFAULT);
-    const makerAssetAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1000), DECIMALS_DEFAULT);
-    const takerAssetFillAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(250), DECIMALS_DEFAULT);
-
-    let erc721CompliantForwarderInstance: BalanceThresholdFilterContract;
-    let erc20CompliantForwarderInstance: BalanceThresholdFilterContract;
-
-    const assertValidatedAddressesLog = async (txReceipt: TransactionReceiptWithDecodedLogs, expectedValidatedAddresses: string[]) => {
-        expect(txReceipt.logs.length).to.be.gte(1);
-        const validatedAddressesLog = (txReceipt.logs[0] as any) as ValidatedAddressesLog;
-        const validatedAddresses = validatedAddressesLog.args.addresses;
-        // @HACK-hysz: Nested addresses are not translated to lower-case but this will change once
-        //             the new ABI Encoder/Decoder is used by the contract templates.
-        let validatedAddressesNormalized: string[] = [];
-        _.each(validatedAddresses, (address) => {
-            const normalizedAddress = _.toLower(address);
-            validatedAddressesNormalized.push(normalizedAddress);
-        });
-        expect(validatedAddressesNormalized).to.be.deep.equal(expectedValidatedAddresses);
-    };
-
-    before(async () => {
-        // Create accounts
-        await blockchainLifecycle.startAsync();
-        const accounts = await web3Wrapper.getAvailableAddressesAsync();
-        const usedAddresses = ([
-            owner,
-            compliantMakerAddress,
-            compliantMakerAddress2,
-            compliantTakerAddress,
-            feeRecipientAddress,
-            nonCompliantAddress,
-        ] = accounts);
-        // Create wrappers
-        erc20Wrapper = new ERC20Wrapper(provider, usedAddresses, owner);
-        let compliantAddresses = _.cloneDeepWith(usedAddresses);
-        _.remove(compliantAddresses, (address: string) => {
-            return address === nonCompliantAddress;
-        });
-        const erc721Wrapper = new ERC721Wrapper(provider, compliantAddresses, owner);
-        // Deploy ERC20 tokens
-        const numDummyErc20ToDeploy = 4;
-        let erc20TokenA: DummyERC20TokenContract;
-        let erc20TokenB: DummyERC20TokenContract;
-        let erc20BalanceThresholdAsset: DummyERC20TokenContract;
-        [erc20TokenA, erc20TokenB, zrxToken, erc20BalanceThresholdAsset] = await erc20Wrapper.deployDummyTokensAsync(
-            numDummyErc20ToDeploy,
-            constants.DUMMY_TOKEN_DECIMALS,
-        );
-        defaultMakerAssetAddress = erc20TokenA.address;
-        defaultTakerAssetAddress = erc20TokenB.address;
-        zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
-        // Create proxies
-        const erc20Proxy = await erc20Wrapper.deployProxyAsync();
-        await erc20Wrapper.setBalancesAndAllowancesAsync();
-        // Deploy Exchange congtract
-        exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
-            artifacts.Exchange,
-            provider,
-            txDefaults,
-            zrxAssetData,
-        );
-        exchangeWrapper = new ExchangeWrapper(exchangeInstance, provider);
-        // Register proxies
-        await exchangeWrapper.registerAssetProxyAsync(erc20Proxy.address, owner);
-        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeInstance.address, {
-            from: owner,
-        });
-        // Deploy Compliant Forwarder
-        const erc721alanceThreshold = new BigNumber(1);
-        await erc721Wrapper.deployProxyAsync();
-        const [erc721BalanceThresholdAsset] = await erc721Wrapper.deployDummyTokensAsync();
-        await erc721Wrapper.setBalancesAndAllowancesAsync();
-        erc721CompliantForwarderInstance = await BalanceThresholdFilterContract.deployFrom0xArtifactAsync(
-            artifacts.BalanceThresholdFilter,
-            provider,
-            txDefaults,
-            exchangeInstance.address,
-            erc721BalanceThresholdAsset.address,
-            erc721alanceThreshold
-        );
-        const erc20BalanceThreshold = Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 10);
-        erc20CompliantForwarderInstance = await BalanceThresholdFilterContract.deployFrom0xArtifactAsync(
-            artifacts.BalanceThresholdFilter,
-            provider,
-            txDefaults,
-            exchangeInstance.address,
-            erc20BalanceThresholdAsset.address,
-            erc20BalanceThreshold
-        );
-
-        // Default order parameters
-        defaultOrderParams = {
-            exchangeAddress: exchangeInstance.address,
-            feeRecipientAddress,
-            makerAssetData: assetDataUtils.encodeERC20AssetData(defaultMakerAssetAddress),
-            takerAssetData: assetDataUtils.encodeERC20AssetData(defaultTakerAssetAddress),
-            makerAssetAmount,
-            takerAssetAmount,
-            makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), DECIMALS_DEFAULT),
-            takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(150), DECIMALS_DEFAULT),
-            senderAddress: erc721CompliantForwarderInstance.address,
-        };
-        const defaultOrderParams1 = {
-            makerAddress: compliantMakerAddress,
-            ...
-            defaultOrderParams,
-        }
-        const makerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(compliantMakerAddress)];
-        takerTransactionFactory = new TransactionFactory(makerPrivateKey, exchangeInstance.address);
-        orderFactory = new OrderFactory(makerPrivateKey, defaultOrderParams1);
-        const defaultOrderParams2 = {
-            makerAddress: compliantMakerAddress2,
-            ...
-            defaultOrderParams,
-        }
-        const secondMakerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(compliantMakerAddress2)];
-        orderFactory2 = new OrderFactory(secondMakerPrivateKey, defaultOrderParams2);
-
-        const nonCompliantPrivateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(nonCompliantAddress)];
-        const defaultNonCompliantOrderParams = {
-            makerAddress: nonCompliantAddress,
-            ...
-            defaultOrderParams,
-        };
-        nonCompliantOrderFactory = new OrderFactory(nonCompliantPrivateKey, defaultNonCompliantOrderParams);
-        // Create Valid/Invalid orders
-        const takerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(compliantTakerAddress)];
-        takerTransactionFactory = new TransactionFactory(takerPrivateKey, exchangeInstance.address);
-        compliantSignedOrder = await orderFactory.newSignedOrderAsync({
-            senderAddress: erc721CompliantForwarderInstance.address,
-        });
-        const compliantSignedOrderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(
-            compliantSignedOrder,
-        );
-        const compliantSignedOrderWithoutExchangeAddressData = exchangeInstance.fillOrder.getABIEncodedTransactionData(
-            compliantSignedOrderWithoutExchangeAddress,
-            takerAssetFillAmount,
-            compliantSignedOrder.signature,
-        );
-        compliantSignedFillOrderTx = takerTransactionFactory.newSignedTransaction(
-            compliantSignedOrderWithoutExchangeAddressData,
-        );
-
-        logDecoder = new LogDecoder(web3Wrapper);
-        erc20TakerBalanceThresholdWrapper = new BalanceThresholdWrapper(erc20CompliantForwarderInstance, exchangeInstance, new TransactionFactory(takerPrivateKey, exchangeInstance.address), provider);
-        erc721TakerBalanceThresholdWrapper = new BalanceThresholdWrapper(erc721CompliantForwarderInstance, exchangeInstance, new TransactionFactory(takerPrivateKey, exchangeInstance.address), provider);
-        erc721MakerBalanceThresholdWrapper = new BalanceThresholdWrapper(erc721CompliantForwarderInstance, exchangeInstance, new TransactionFactory(makerPrivateKey, exchangeInstance.address), provider);
-        erc721NonCompliantBalanceThresholdWrapper = new BalanceThresholdWrapper(erc721CompliantForwarderInstance, exchangeInstance, new TransactionFactory(nonCompliantPrivateKey, exchangeInstance.address), provider);
-        
-        // Instantiate internal exchange contract
-        exchangeInternals = await TestExchangeInternalsContract.deployFrom0xArtifactAsync(
-            artifacts.TestExchangeInternals,
-            provider,
-            txDefaults,
-        );
-    });
-    beforeEach(async () => {
-        await blockchainLifecycle.startAsync();
-    });
-    afterEach(async () => {
-        await blockchainLifecycle.revertAsync();
-    });
-
-    describe.only('General Sanity Checks', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it.only('should transfer the correct amounts and validate both maker/taker when both maker and taker exceed the balance threshold of an ERC20 token', async () => {
-            const compliantSignedOrderERC20Sender = await orderFactory.newSignedOrderAsync({
-                ...
-                defaultOrderParams,
-                makerAddress: compliantMakerAddress,
-                senderAddress: erc20TakerBalanceThresholdWrapper.getBalanceThresholdAddress(),
-            });
-            // Execute a valid fill
-            const txReceipt = await erc20TakerBalanceThresholdWrapper.fillOrderAsync(compliantSignedOrderERC20Sender, compliantTakerAddress, {takerAssetFillAmount});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerAssetFillAmount = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid = compliantSignedOrder.makerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(makerFeePaid),
-            );
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.add(takerFeePaid)),
-            );
-        });
-        it('should revert if the signed transaction is not intended for supported', async () => {
-            // Create signed order without the fillOrder function selector
-            const txDataBuf = ethUtil.toBuffer(compliantSignedFillOrderTx.data);
-            const selectorLengthInBytes = 4;
-            const txDataBufMinusSelector = txDataBuf.slice(selectorLengthInBytes);
-            const badSelector = '0x00000000';
-            const badSelectorBuf = ethUtil.toBuffer(badSelector);
-            const txDataBufWithBadSelector = Buffer.concat([badSelectorBuf, txDataBufMinusSelector]);
-            const txDataBufWithBadSelectorHex = ethUtil.bufferToHex(txDataBufWithBadSelector);
-            // Call compliant forwarder
-            return expectTransactionFailedWithoutReasonAsync(erc721CompliantForwarderInstance.executeTransaction.sendTransactionAsync(
-                compliantSignedFillOrderTx.salt,
-                compliantSignedFillOrderTx.signerAddress,
-                txDataBufWithBadSelectorHex,
-                compliantSignedFillOrderTx.signature,
-            ));
-        });
-        it('should revert if senderAddress is not set to the compliant forwarding contract', async () => {
-            // Create signed order with incorrect senderAddress
-            const notBalanceThresholdFilterAddress = zrxToken.address;
-            const signedOrderWithBadSenderAddress = await orderFactory.newSignedOrderAsync({
-                senderAddress: notBalanceThresholdFilterAddress,
-            });
-            const signedOrderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(
-                signedOrderWithBadSenderAddress,
-            );
-            const signedOrderWithoutExchangeAddressData = exchangeInstance.fillOrder.getABIEncodedTransactionData(
-                signedOrderWithoutExchangeAddress,
-                takerAssetFillAmount,
-                compliantSignedOrder.signature,
-            );
-            const signedFillOrderTx = takerTransactionFactory.newSignedTransaction(
-                signedOrderWithoutExchangeAddressData,
-            );
-            // Call compliant forwarder
-            return expectTransactionFailedWithoutReasonAsync(erc721CompliantForwarderInstance.executeTransaction.sendTransactionAsync(
-                signedFillOrderTx.salt,
-                signedFillOrderTx.signerAddress,
-                signedFillOrderTx.data,
-                signedFillOrderTx.signature,
-            ));
-        });
-        // @TODO - greater than 1 balance
-    });
-
-    describe('batchFillOrders', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both makers/taker when both maker and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.batchFillOrdersAsync(orders, compliantTakerAddress, {takerAssetFillAmounts});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedOrder2.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const cumulativeTakerAssetFillAmount = takerAssetFillAmount.times(2);
-            const makerAssetFillAmount = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid = compliantSignedOrder.makerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount)
-                .times(2);
-            // Maker #1
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(makerFeePaid),
-            );
-            // Maker #2
-            expect(newBalances[compliantMakerAddress2][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][zrxToken.address].minus(makerFeePaid),
-            );
-            // Taker      
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(cumulativeTakerAssetFillAmount),
-            );
-                        
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(makerAssetFillAmount.times(2)),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            // Fee recipient
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.times(2).add(takerFeePaid)),
-            );
-        });
-        it('should revert if one maker does not meet the balance threshold', async () => {
-            // Create order set with one non-compliant maker address
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                makerAddress: nonCompliantAddress
-            });
-            const orders = [compliantSignedOrder, signedOrderWithBadMakerAddress];
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.batchFillOrdersAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmounts}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.batchFillOrdersAsync(
-                    orders,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmounts}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('batchFillOrdersNoThrow', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both makers/taker when both maker and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.batchFillOrdersNoThrowAsync(orders, compliantTakerAddress, {takerAssetFillAmounts});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedOrder2.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const cumulativeTakerAssetFillAmount = takerAssetFillAmount.times(2);
-            const makerAssetFillAmount = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid = compliantSignedOrder.makerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount)
-                .times(2);
-            // Maker #1
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(makerFeePaid),
-            );
-            // Maker #2
-            expect(newBalances[compliantMakerAddress2][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][zrxToken.address].minus(makerFeePaid),
-            );
-            // Taker      
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(cumulativeTakerAssetFillAmount),
-            );
-                        
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(makerAssetFillAmount.times(2)),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            // Fee recipient
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.times(2).add(takerFeePaid)),
-            );
-        });
-        it('should revert if one maker does not meet the balance threshold', async () => {
-            // Create order set with one non-compliant maker address
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                makerAddress: nonCompliantAddress
-            });
-            const orders = [compliantSignedOrder, signedOrderWithBadMakerAddress];
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.batchFillOrdersNoThrowAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmounts}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.batchFillOrdersNoThrowAsync(
-                    orders,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmounts}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('batchFillOrKillOrders', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both makers/taker when both makers and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.batchFillOrKillOrdersAsync(orders, compliantTakerAddress, {takerAssetFillAmounts});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedOrder2.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const cumulativeTakerAssetFillAmount = takerAssetFillAmount.times(2);
-            const makerAssetFillAmount = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid = compliantSignedOrder.makerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount)
-                .times(2);
-            // Maker #1
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(makerFeePaid),
-            );
-            // Maker #2
-            expect(newBalances[compliantMakerAddress2][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][zrxToken.address].minus(makerFeePaid),
-            );
-            // Taker      
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(cumulativeTakerAssetFillAmount),
-            );
-                        
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(makerAssetFillAmount.times(2)),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            // Fee recipient
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.times(2).add(takerFeePaid)),
-            );
-        });
-        it('should revert if one maker does not meet the balance threshold', async () => {
-            // Create order set with one non-compliant maker address
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                makerAddress: nonCompliantAddress
-            });
-            const orders = [compliantSignedOrder, signedOrderWithBadMakerAddress];
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.batchFillOrKillOrdersAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmounts}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const takerAssetFillAmounts = [takerAssetFillAmount, takerAssetFillAmount];
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.batchFillOrKillOrdersAsync(
-                    orders,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmounts}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if one takerAssetFillAmount is not fully filled', async () => {
-            const tooBigTakerAssetFillAmount = compliantSignedOrder.takerAssetAmount.times(2);
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const takerAssetFillAmounts = [takerAssetFillAmount, tooBigTakerAssetFillAmount];
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.batchFillOrKillOrdersAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmounts}
-                ),
-                RevertReason.FailedExecution
-            );
-        });
-    });
-
-    describe('fillOrder', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both maker/taker when both maker and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.fillOrderAsync(compliantSignedOrder, compliantTakerAddress, {takerAssetFillAmount});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerAssetFillAmount = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid = compliantSignedOrder.makerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(makerFeePaid),
-            );
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.add(takerFeePaid)),
-            );
-        });
-        it('should revert if maker does not meet the balance threshold', async () => {
-            // Create signed order with non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                senderAddress: erc721CompliantForwarderInstance.address,
-                makerAddress: nonCompliantAddress
-            });
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.fillOrderAsync(
-                    signedOrderWithBadMakerAddress,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.fillOrderAsync(
-                    compliantSignedOrder,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('fillOrderNoThrow', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both maker/taker when both maker and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.fillOrderNoThrowAsync(compliantSignedOrder, compliantTakerAddress, {takerAssetFillAmount});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerAssetFillAmount = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid = compliantSignedOrder.makerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(makerFeePaid),
-            );
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.add(takerFeePaid)),
-            );
-        });
-        it('should revert if maker does not meet the balance threshold', async () => {
-            // Create signed order with non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                senderAddress: erc721CompliantForwarderInstance.address,
-                makerAddress: nonCompliantAddress
-            });
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.fillOrderNoThrowAsync(
-                    signedOrderWithBadMakerAddress,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.fillOrderNoThrowAsync(
-                    compliantSignedOrder,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('fillOrKillOrder', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both maker/taker when both maker and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const takerAssetFillAmount_ = compliantSignedOrder.takerAssetAmount;
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.fillOrKillOrderAsync(compliantSignedOrder, compliantTakerAddress, {takerAssetFillAmount: takerAssetFillAmount_});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerAssetFillAmount = takerAssetFillAmount_
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid = compliantSignedOrder.makerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee
-                .times(makerAssetFillAmount)
-                .dividedToIntegerBy(compliantSignedOrder.makerAssetAmount);
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(takerAssetFillAmount_),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(makerFeePaid),
-            );
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(takerAssetFillAmount_),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(makerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.add(takerFeePaid)),
-            );
-        });
-        it('should revert if maker does not meet the balance threshold', async () => {
-            // Create signed order with non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                senderAddress: erc721CompliantForwarderInstance.address,
-                makerAddress: nonCompliantAddress
-            });
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.fillOrKillOrderAsync(
-                    signedOrderWithBadMakerAddress,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.fillOrKillOrderAsync(
-                    compliantSignedOrder,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if takerAssetFillAmount is not fully filled', async () => {
-            const tooBigTakerAssetFillAmount = compliantSignedOrder.takerAssetAmount.times(2);
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.fillOrKillOrderAsync(
-                    compliantSignedOrder,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmount: tooBigTakerAssetFillAmount}
-                ),
-                RevertReason.FailedExecution
-            );
-        });
-    });
-
-    describe('marketSellOrders', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both makers/taker when both makers and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const cumulativeTakerAssetFillAmount = compliantSignedOrder.takerAssetAmount.plus(takerAssetFillAmount);
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.marketSellOrdersAsync(orders, compliantTakerAddress, {takerAssetFillAmount: cumulativeTakerAssetFillAmount});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedOrder2.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerAssetFillAmount2 = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid2 = compliantSignedOrder2.makerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid2 = compliantSignedOrder2.takerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee.plus(takerFeePaid2);
-            const cumulativeMakerAssetFillAmount = compliantSignedOrder.makerAssetAmount.plus(makerAssetFillAmount2);
-            // Maker #1
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(compliantSignedOrder.makerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(compliantSignedOrder.takerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(compliantSignedOrder.makerFee),
-            );
-            // Maker #2
-            expect(newBalances[compliantMakerAddress2][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultMakerAssetAddress].minus(makerAssetFillAmount2),
-            );
-            expect(newBalances[compliantMakerAddress2][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][zrxToken.address].minus(makerFeePaid2),
-            );
-            // Taker      
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(cumulativeTakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(cumulativeMakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            // Fee recipient
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(compliantSignedOrder.makerFee).add(makerFeePaid2).add(takerFeePaid),
-            );
-        });
-        it('should revert if one maker does not meet the balance threshold', async () => {
-            // Create order set with one non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                makerAddress: nonCompliantAddress
-            });
-            const orders = [compliantSignedOrder, signedOrderWithBadMakerAddress];
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.marketSellOrdersAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.marketSellOrdersAsync(
-                    orders,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('marketSellOrdersNoThrow', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both makers/taker when both makers and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const cumulativeTakerAssetFillAmount = compliantSignedOrder.takerAssetAmount.plus(takerAssetFillAmount);
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.marketSellOrdersNoThrowAsync(orders, compliantTakerAddress, {takerAssetFillAmount: cumulativeTakerAssetFillAmount});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedOrder2.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerAssetFillAmount2 = takerAssetFillAmount
-                .times(compliantSignedOrder.makerAssetAmount)
-                .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const makerFeePaid2 = compliantSignedOrder2.makerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid2 = compliantSignedOrder2.takerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee.plus(takerFeePaid2);
-            const cumulativeMakerAssetFillAmount = compliantSignedOrder.makerAssetAmount.plus(makerAssetFillAmount2);
-            // Maker #1
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(compliantSignedOrder.makerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(compliantSignedOrder.takerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(compliantSignedOrder.makerFee),
-            );
-            // Maker #2
-            expect(newBalances[compliantMakerAddress2][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultMakerAssetAddress].minus(makerAssetFillAmount2),
-            );
-            expect(newBalances[compliantMakerAddress2][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][zrxToken.address].minus(makerFeePaid2),
-            );
-            // Taker      
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(cumulativeTakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(cumulativeMakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            // Fee recipient
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(compliantSignedOrder.makerFee).add(makerFeePaid2).add(takerFeePaid),
-            );
-        });
-        it('should revert if one maker does not meet the balance threshold', async () => {
-            // Create order set with one non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                makerAddress: nonCompliantAddress
-            });
-            const orders = [compliantSignedOrder, signedOrderWithBadMakerAddress];
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.marketSellOrdersNoThrowAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.marketSellOrdersNoThrowAsync(
-                    orders,
-                    nonCompliantAddress, 
-                    {takerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('marketBuyOrders', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both makers/taker when both makers and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const cumulativeTakerAssetFillAmount = compliantSignedOrder.takerAssetAmount.plus(takerAssetFillAmount);
-            const makerAssetFillAmount2 = takerAssetFillAmount
-            .times(compliantSignedOrder.makerAssetAmount)
-            .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const cumulativeMakerAssetFillAmount = compliantSignedOrder.makerAssetAmount.plus(makerAssetFillAmount2);
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.marketBuyOrdersAsync(orders, compliantTakerAddress, {makerAssetFillAmount: cumulativeMakerAssetFillAmount});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedOrder2.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerFeePaid2 = compliantSignedOrder2.makerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid2 = compliantSignedOrder2.takerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee.plus(takerFeePaid2);
-            // Maker #1
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(compliantSignedOrder.makerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(compliantSignedOrder.takerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(compliantSignedOrder.makerFee),
-            );
-            // Maker #2
-            expect(newBalances[compliantMakerAddress2][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultMakerAssetAddress].minus(makerAssetFillAmount2),
-            );
-            expect(newBalances[compliantMakerAddress2][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][zrxToken.address].minus(makerFeePaid2),
-            );
-            // Taker      
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(cumulativeTakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(cumulativeMakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            // Fee recipient
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(compliantSignedOrder.makerFee).add(makerFeePaid2).add(takerFeePaid),
-            );
-        });
-        it('should revert if one maker does not meet the balance threshold', async () => {
-            // Create order set with one non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                makerAddress: nonCompliantAddress
-            });
-            const orders = [compliantSignedOrder, signedOrderWithBadMakerAddress];
-            // Execute transaction
-            const dummyMakerAssetFillAmount = new BigNumber(0);
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.marketBuyOrdersAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {makerAssetFillAmount: dummyMakerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const dummyMakerAssetFillAmount = new BigNumber(0);
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.marketBuyOrdersAsync(
-                    orders,
-                    nonCompliantAddress, 
-                    {makerAssetFillAmount: dummyMakerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('marketBuyOrdersNoThrowAsync', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('should transfer the correct amounts and validate both makers/taker when both makers and taker meet the balance threshold', async () => {
-            // Execute a valid fill
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const cumulativeTakerAssetFillAmount = compliantSignedOrder.takerAssetAmount.plus(takerAssetFillAmount);
-            const makerAssetFillAmount2 = takerAssetFillAmount
-            .times(compliantSignedOrder.makerAssetAmount)
-            .dividedToIntegerBy(compliantSignedOrder.takerAssetAmount);
-            const cumulativeMakerAssetFillAmount = compliantSignedOrder.makerAssetAmount.plus(makerAssetFillAmount2);
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.marketBuyOrdersNoThrowAsync(orders, compliantTakerAddress, {makerAssetFillAmount: cumulativeMakerAssetFillAmount});
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [compliantSignedOrder.makerAddress, compliantSignedOrder2.makerAddress, compliantSignedFillOrderTx.signerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            const makerFeePaid2 = compliantSignedOrder2.makerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid2 = compliantSignedOrder2.takerFee
-                .times(makerAssetFillAmount2)
-                .dividedToIntegerBy(compliantSignedOrder2.makerAssetAmount);
-            const takerFeePaid = compliantSignedOrder.takerFee.plus(takerFeePaid2);
-            // Maker #1
-            expect(newBalances[compliantMakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultMakerAssetAddress].minus(compliantSignedOrder.makerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][defaultTakerAssetAddress].add(compliantSignedOrder.takerAssetAmount),
-            );
-            expect(newBalances[compliantMakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress][zrxToken.address].minus(compliantSignedOrder.makerFee),
-            );
-            // Maker #2
-            expect(newBalances[compliantMakerAddress2][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultMakerAssetAddress].minus(makerAssetFillAmount2),
-            );
-            expect(newBalances[compliantMakerAddress2][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][defaultTakerAssetAddress].add(takerAssetFillAmount),
-            );
-            expect(newBalances[compliantMakerAddress2][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantMakerAddress2][zrxToken.address].minus(makerFeePaid2),
-            );
-            // Taker      
-            expect(newBalances[compliantTakerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultTakerAssetAddress].minus(cumulativeTakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(cumulativeMakerAssetFillAmount),
-            );
-            expect(newBalances[compliantTakerAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[compliantTakerAddress][zrxToken.address].minus(takerFeePaid),
-            );
-            // Fee recipient
-            expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(compliantSignedOrder.makerFee).add(makerFeePaid2).add(takerFeePaid),
-            );
-        });
-        it('should revert if one maker does not meet the balance threshold', async () => {
-            // Create order set with one non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                makerAddress: nonCompliantAddress
-            });
-            const orders = [compliantSignedOrder, signedOrderWithBadMakerAddress];
-            // Execute transaction
-            const dummyMakerAssetFillAmount = new BigNumber(0);
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.marketBuyOrdersNoThrowAsync(
-                    orders,
-                    compliantTakerAddress, 
-                    {makerAssetFillAmount: dummyMakerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            const orders = [compliantSignedOrder, compliantSignedOrder2];
-            const dummyMakerAssetFillAmount = new BigNumber(0);
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.marketBuyOrdersNoThrowAsync(
-                    orders,
-                    nonCompliantAddress, 
-                    {makerAssetFillAmount: dummyMakerAssetFillAmount}
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-    
-    describe('matchOrders', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('Should transfer correct amounts when both makers and taker meet the balance threshold', async () => {
-            // Test values/results taken from Match Orders test:
-            // 'Should transfer correct amounts when right order is fully filled and values pass isRoundingErrorFloor but fail isRoundingErrorCeil'
-            // Create orders to match
-            const signedOrderLeft = await orderFactory.newSignedOrderAsync({
-                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(17), 0),
-                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(98), 0),
-                makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
-                takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
-                feeRecipientAddress: feeRecipientAddress,
-            });
-            const signedOrderRight = await orderFactory2.newSignedOrderAsync({
-                makerAssetData: assetDataUtils.encodeERC20AssetData(defaultTakerAssetAddress),
-                takerAssetData: assetDataUtils.encodeERC20AssetData(defaultMakerAssetAddress),
-                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(75), 0),
-                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
-                makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
-                takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(1), 18),
-                feeRecipientAddress: feeRecipientAddress,
-            });
-            // Compute expected transfer amounts
-            const expectedTransferAmounts = {
-                // Left Maker
-                amountSoldByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
-                amountBoughtByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(75), 0),
-                feePaidByLeftMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber('76.4705882352941176'), 16), // 76.47%
-                // Right Maker
-                amountSoldByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(75), 0),
-                amountBoughtByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(13), 0),
-                feePaidByRightMaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
-                // Taker
-                amountReceivedByTaker: Web3Wrapper.toBaseUnitAmount(new BigNumber(0), 0),
-                feePaidByTakerLeft: Web3Wrapper.toBaseUnitAmount(new BigNumber('76.5306122448979591'), 16), // 76.53%
-                feePaidByTakerRight: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 16), // 100%
-            };
-            const txReceipt = await erc721TakerBalanceThresholdWrapper.matchOrdersAsync(signedOrderLeft, signedOrderRight, compliantTakerAddress);
-            // Assert validated addresses
-            const expectedValidatedAddresseses = [signedOrderLeft.makerAddress, signedOrderRight.makerAddress, compliantTakerAddress];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check balances
-            const newBalances = await erc20Wrapper.getBalancesAsync();
-            expect(
-                newBalances[signedOrderLeft.makerAddress][defaultMakerAssetAddress],
-                'Checking left maker egress ERC20 account balance',
-            ).to.be.bignumber.equal(erc20Balances[signedOrderLeft.makerAddress][defaultMakerAssetAddress].sub(expectedTransferAmounts.amountSoldByLeftMaker));
-            expect(
-                newBalances[signedOrderRight.makerAddress][defaultTakerAssetAddress],
-                'Checking right maker ingress ERC20 account balance',
-            ).to.be.bignumber.equal(erc20Balances[signedOrderRight.makerAddress][defaultTakerAssetAddress].sub(expectedTransferAmounts.amountSoldByRightMaker));
-            expect(
-                newBalances[compliantTakerAddress][defaultMakerAssetAddress],
-                'Checking taker ingress ERC20 account balance',
-            ).to.be.bignumber.equal(erc20Balances[compliantTakerAddress][defaultMakerAssetAddress].add(expectedTransferAmounts.amountReceivedByTaker));
-            expect(
-                newBalances[signedOrderLeft.makerAddress][defaultTakerAssetAddress],
-                'Checking left maker ingress ERC20 account balance',
-            ).to.be.bignumber.equal(erc20Balances[signedOrderLeft.makerAddress][defaultTakerAssetAddress].add(expectedTransferAmounts.amountBoughtByLeftMaker));
-            expect(
-                newBalances[signedOrderRight.makerAddress][defaultMakerAssetAddress],
-                'Checking right maker egress ERC20 account balance',
-            ).to.be.bignumber.equal(
-                erc20Balances[signedOrderRight.makerAddress][defaultMakerAssetAddress].add(expectedTransferAmounts.amountBoughtByRightMaker),
-            );
-            // Paid fees
-            expect(
-                newBalances[signedOrderLeft.makerAddress][zrxToken.address],
-                'Checking left maker egress ERC20 account fees',
-            ).to.be.bignumber.equal(erc20Balances[signedOrderLeft.makerAddress][zrxToken.address].minus(expectedTransferAmounts.feePaidByLeftMaker));
-            expect(
-                newBalances[signedOrderRight.makerAddress][zrxToken.address],
-                'Checking right maker egress ERC20 account fees',
-            ).to.be.bignumber.equal(erc20Balances[signedOrderRight.makerAddress][zrxToken.address].minus(expectedTransferAmounts.feePaidByRightMaker));
-            expect(
-                newBalances[compliantTakerAddress][zrxToken.address],
-                'Checking taker egress ERC20 account fees',
-            ).to.be.bignumber.equal(erc20Balances[compliantTakerAddress][zrxToken.address].minus(expectedTransferAmounts.feePaidByTakerLeft).sub(expectedTransferAmounts.feePaidByTakerRight));
-            // Received fees
-            expect(
-                newBalances[signedOrderLeft.feeRecipientAddress][zrxToken.address],
-                'Checking left fee recipient ingress ERC20 account fees',
-            ).to.be.bignumber.equal(
-                erc20Balances[feeRecipientAddress][zrxToken.address].add(expectedTransferAmounts.feePaidByLeftMaker).add(expectedTransferAmounts.feePaidByRightMaker).add(expectedTransferAmounts.feePaidByTakerLeft).add(expectedTransferAmounts.feePaidByTakerRight),
-            );
-        });
-        it('should revert if left maker does not meet the balance threshold', async () => {
-            // Create signed order with non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                senderAddress: erc721CompliantForwarderInstance.address,
-                makerAddress: nonCompliantAddress
-            });
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.matchOrdersAsync(
-                    compliantSignedOrder,
-                    signedOrderWithBadMakerAddress,
-                    compliantTakerAddress, 
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if right maker does not meet the balance threshold', async () => {
-            // Create signed order with non-compliant maker address
-            const signedOrderWithBadMakerAddress = await orderFactory.newSignedOrderAsync({
-                senderAddress: erc721CompliantForwarderInstance.address,
-                makerAddress: nonCompliantAddress
-            });
-            // Execute transaction
-            return expectTransactionFailedAsync(
-                erc721TakerBalanceThresholdWrapper.matchOrdersAsync(
-                    signedOrderWithBadMakerAddress,
-                    compliantSignedOrder,
-                    compliantTakerAddress, 
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-        it('should revert if taker does not meet the balance threshold', async () => {
-            return expectTransactionFailedAsync(
-                erc721NonCompliantBalanceThresholdWrapper.matchOrdersAsync(
-                    compliantSignedOrder,
-                    compliantSignedOrder,
-                    nonCompliantAddress, 
-                ),
-                RevertReason.AtLeastOneAddressDoesNotMeetBalanceThreshold
-            );
-        });
-    });
-
-    describe('cancelOrder', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-            compliantSignedOrder = await orderFactory.newSignedOrderAsync();
-            compliantSignedOrder2 = await orderFactory2.newSignedOrderAsync();
-        });
-        it('Should successfully cancel order if maker meets balance threshold', async () => {
-            // Verify order is not cancelled
-            const orderInfoBeforeCancelling = await erc721MakerBalanceThresholdWrapper.getOrderInfoAsync(compliantSignedOrder)
-            expect(orderInfoBeforeCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-            // Cancel
-            const txReceipt = await erc721MakerBalanceThresholdWrapper.cancelOrderAsync(compliantSignedOrder, compliantSignedOrder.makerAddress);
-            // Assert validated addresses
-            const expectedValidatedAddresseses: string[] = [];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check that order was cancelled
-            const orderInfoAfterCancelling = await erc721MakerBalanceThresholdWrapper.getOrderInfoAsync(compliantSignedOrder)
-            expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.CANCELLED);
-        });
-        it('Should successfully cancel order if maker does not meet balance threshold', async () => {
-            // Create order where maker does not meet balance threshold
-            const signedOrderWithBadMakerAddress = await nonCompliantOrderFactory.newSignedOrderAsync({});
-            // Verify order is not cancelled
-            const orderInfoBeforeCancelling = await erc721NonCompliantBalanceThresholdWrapper.getOrderInfoAsync(signedOrderWithBadMakerAddress)
-            expect(orderInfoBeforeCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-            // Cancel
-            const txReceipt = await erc721NonCompliantBalanceThresholdWrapper.cancelOrderAsync(signedOrderWithBadMakerAddress, signedOrderWithBadMakerAddress.makerAddress);
-            // Assert validated addresses
-            const expectedValidatedAddresseses: string[] = [];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check that order was cancelled
-            const orderInfoAfterCancelling = await erc721MakerBalanceThresholdWrapper.getOrderInfoAsync(signedOrderWithBadMakerAddress)
-            expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.CANCELLED);
-        });
-    });
-
-    describe('batchCancelOrders', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-        });
-        it('Should successfully batch cancel orders if maker meets balance threshold', async () => {
-            // Create orders to cancel
-            const compliantSignedOrders = [
-                await orderFactory.newSignedOrderAsync(),
-                await orderFactory.newSignedOrderAsync(),
-                await orderFactory.newSignedOrderAsync(),
-            ]; 
-            // Verify orders are not cancelled
-            await _.each(compliantSignedOrders, async (compliantSignedOrder) => {
-                const orderInfoBeforeCancelling = await erc721MakerBalanceThresholdWrapper.getOrderInfoAsync(compliantSignedOrder)
-                return expect(orderInfoBeforeCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-            });
-            // Cancel
-            const txReceipt = await erc721MakerBalanceThresholdWrapper.batchCancelOrdersAsync(compliantSignedOrders, compliantSignedOrder.makerAddress);
-            // Assert validated addresses
-            const expectedValidatedAddresseses: string[] = [];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check that order was cancelled
-            await _.each(compliantSignedOrders, async (compliantSignedOrder) => {
-                const orderInfoAfterCancelling = await erc721MakerBalanceThresholdWrapper.getOrderInfoAsync(compliantSignedOrder)
-                return expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.CANCELLED);
-            });
-        });
-        it('Should successfully batch cancel order if maker does not meet balance threshold', async () => {
-            // Create orders to cancel
-            const nonCompliantSignedOrders = [
-                await nonCompliantOrderFactory.newSignedOrderAsync(),
-                await nonCompliantOrderFactory.newSignedOrderAsync(),
-                await nonCompliantOrderFactory.newSignedOrderAsync(),
-            ]; 
-            // Verify orders are not cancelled
-            await _.each(nonCompliantSignedOrders, async (nonCompliantSignedOrder) => {
-                const orderInfoBeforeCancelling = await erc721NonCompliantBalanceThresholdWrapper.getOrderInfoAsync(nonCompliantSignedOrder)
-                return expect(orderInfoBeforeCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-            });
-            // Cancel
-            const txReceipt = await erc721NonCompliantBalanceThresholdWrapper.batchCancelOrdersAsync(nonCompliantSignedOrders, nonCompliantAddress);
-            // Assert validated addresses
-            const expectedValidatedAddresseses: string[] = [];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check that order was cancelled
-            await _.each(nonCompliantSignedOrders, async (nonCompliantSignedOrder) => {
-                const orderInfoAfterCancelling = await erc721NonCompliantBalanceThresholdWrapper.getOrderInfoAsync(nonCompliantSignedOrder)
-                return expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.CANCELLED);
-            });
-        });
-    });
-
-    describe('cancelOrdersUpTo', () => {
-        beforeEach(async () => {
-            erc20Balances = await erc20Wrapper.getBalancesAsync();
-        });
-        it('Should successfully batch cancel orders if maker meets balance threshold', async () => {
-            // Create orders to cancel
-            const compliantSignedOrders = [
-                await orderFactory.newSignedOrderAsync({salt: new BigNumber(0)}),
-                await orderFactory.newSignedOrderAsync({salt: new BigNumber(1)}),
-                await orderFactory.newSignedOrderAsync({salt: new BigNumber(2)}),
-            ]; 
-            // Verify orders are not cancelled
-            await _.each(compliantSignedOrders, async (compliantSignedOrder) => {
-                const orderInfoBeforeCancelling = await erc721MakerBalanceThresholdWrapper.getOrderInfoAsync(compliantSignedOrder)
-                return expect(orderInfoBeforeCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-            });
-            // Cancel
-            const cancelOrdersUpToThisSalt = new BigNumber(1);
-            const txReceipt = await erc721MakerBalanceThresholdWrapper.cancelOrdersUpToAsync(cancelOrdersUpToThisSalt, compliantSignedOrder.makerAddress);
-            // Assert validated addresses
-            const expectedValidatedAddresseses: string[] = [];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check that order was cancelled
-            await _.each(compliantSignedOrders, async (compliantSignedOrder, salt: number) => {
-                const orderInfoAfterCancelling = await erc721MakerBalanceThresholdWrapper.getOrderInfoAsync(compliantSignedOrder)
-                const saltAsBigNumber = new BigNumber(salt);
-                if (saltAsBigNumber.lessThanOrEqualTo(cancelOrdersUpToThisSalt)) {
-                    return expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.CANCELLED);
-                } else {
-                    return expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-                }
-            });
-        });
-        it('Should successfully batch cancel order if maker does not meet balance threshold', async () => {
-            // Create orders to cancel
-            const nonCompliantSignedOrders = [
-                await nonCompliantOrderFactory.newSignedOrderAsync({salt: new BigNumber(0)}),
-                await nonCompliantOrderFactory.newSignedOrderAsync({salt: new BigNumber(1)}),
-                await nonCompliantOrderFactory.newSignedOrderAsync({salt: new BigNumber(2)}),
-            ]; 
-            // Verify orders are not cancelled
-            await _.each(nonCompliantSignedOrders, async (nonCompliantSignedOrder) => {
-                const orderInfoBeforeCancelling = await erc721NonCompliantBalanceThresholdWrapper.getOrderInfoAsync(nonCompliantSignedOrder)
-                return expect(orderInfoBeforeCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-            });
-            // Cancel
-            const cancelOrdersUpToThisSalt = new BigNumber(1);
-            const txReceipt = await erc721NonCompliantBalanceThresholdWrapper.cancelOrdersUpToAsync(cancelOrdersUpToThisSalt, nonCompliantAddress);
-            // Assert validated addresses
-            const expectedValidatedAddresseses: string[] = [];
-            assertValidatedAddressesLog(txReceipt, expectedValidatedAddresseses);
-            // Check that order was cancelled
-            await _.each(nonCompliantSignedOrders, async (nonCompliantSignedOrder, salt: number) => {
-                const orderInfoAfterCancelling = await erc721NonCompliantBalanceThresholdWrapper.getOrderInfoAsync(nonCompliantSignedOrder)
-                const saltAsBigNumber = new BigNumber(salt);
-                if (saltAsBigNumber.lessThanOrEqualTo(cancelOrdersUpToThisSalt)) {
-                    return expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.CANCELLED);
-                } else {
-                    return expect(orderInfoAfterCancelling.orderStatus).to.be.equal(OrderStatus.FILLABLE);
-                }
-            });
-        });
-    });
-});
-// tslint:disable:max-file-line-count
-// tslint:enable:no-unnecessary-type-assertion
diff --git a/packages/contracts/test/utils/balance_threshold_wrapper.ts b/packages/contracts/test/utils/balance_threshold_wrapper.ts
deleted file mode 100644
index cff40aa52..000000000
--- a/packages/contracts/test/utils/balance_threshold_wrapper.ts
+++ /dev/null
@@ -1,247 +0,0 @@
-import { SignedOrder } from '@0x/types';
-import { BigNumber } from '@0x/utils';
-import { Web3Wrapper } from '@0x/web3-wrapper';
-import { Provider, TransactionReceiptWithDecodedLogs } from 'ethereum-types';
-import * as _ from 'lodash';
-
-import { ExchangeContract } from '../../generated-wrappers/exchange';
-import { BalanceThresholdFilterContract } from '../../generated-wrappers/balance_threshold_filter';
-
-import { formatters } from './formatters';
-import { LogDecoder } from './log_decoder';
-import { orderUtils } from './order_utils';
-import { TransactionFactory } from '../utils/transaction_factory';
-import { OrderInfo } from './types';
-
-export class BalanceThresholdWrapper {
-    private readonly _balanceThresholdFilter: BalanceThresholdFilterContract;
-    private readonly _signerTransactionFactory: TransactionFactory;
-    private readonly _exchange: ExchangeContract;
-    private readonly _web3Wrapper: Web3Wrapper;
-    private readonly _logDecoder: LogDecoder;
-    constructor(balanceThresholdFilter: BalanceThresholdFilterContract, exchangeContract: ExchangeContract, signerTransactionFactory: TransactionFactory, provider: Provider) {
-        this._balanceThresholdFilter = balanceThresholdFilter;
-        this._exchange = exchangeContract;
-        this._signerTransactionFactory = signerTransactionFactory;
-        this._web3Wrapper = new Web3Wrapper(provider);
-        this._logDecoder = new LogDecoder(this._web3Wrapper);
-    }
-    public async fillOrderAsync(
-        signedOrder: SignedOrder,
-        from: string,
-        opts: { takerAssetFillAmount?: BigNumber } = {},
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = orderUtils.createFill(signedOrder, opts.takerAssetFillAmount);
-        const data = this._exchange.fillOrder.getABIEncodedTransactionData(
-            params.order,
-            params.takerAssetFillAmount,
-            params.signature,
-        );
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async fillOrKillOrderAsync(
-        signedOrder: SignedOrder,
-        from: string,
-        opts: { takerAssetFillAmount?: BigNumber } = {},
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = orderUtils.createFill(signedOrder, opts.takerAssetFillAmount);
-        const data = this._exchange.fillOrKillOrder.getABIEncodedTransactionData(
-            params.order,
-            params.takerAssetFillAmount,
-            params.signature,
-        );
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async fillOrderNoThrowAsync(
-        signedOrder: SignedOrder,
-        from: string,
-        opts: { takerAssetFillAmount?: BigNumber; gas?: number } = {},
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = orderUtils.createFill(signedOrder, opts.takerAssetFillAmount);
-        const data = this._exchange.fillOrderNoThrow.getABIEncodedTransactionData(
-            params.order,
-            params.takerAssetFillAmount,
-            params.signature,
-        );
-        const txReceipt = this._executeTransaction(data, from, opts.gas);
-        return txReceipt;
-    }
-    public async batchFillOrdersAsync(
-        orders: SignedOrder[],
-        from: string,
-        opts: { takerAssetFillAmounts?: BigNumber[] } = {},
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createBatchFill(orders, opts.takerAssetFillAmounts);
-        const data = this._exchange.batchFillOrders.getABIEncodedTransactionData(
-            params.orders,
-            params.takerAssetFillAmounts,
-            params.signatures,
-        );
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async batchFillOrKillOrdersAsync(
-        orders: SignedOrder[],
-        from: string,
-        opts: { takerAssetFillAmounts?: BigNumber[] } = {},
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createBatchFill(orders, opts.takerAssetFillAmounts);
-        const data = this._exchange.batchFillOrKillOrders.getABIEncodedTransactionData(
-            params.orders,
-            params.takerAssetFillAmounts,
-            params.signatures,
-        );
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async batchFillOrdersNoThrowAsync(
-        orders: SignedOrder[],
-        from: string,
-        opts: { takerAssetFillAmounts?: BigNumber[]; gas?: number } = {},
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createBatchFill(orders, opts.takerAssetFillAmounts);
-        const data = this._exchange.batchFillOrKillOrders.getABIEncodedTransactionData(
-            params.orders,
-            params.takerAssetFillAmounts,
-            params.signatures,
-        );
-        const txReceipt = this._executeTransaction(data, from, opts.gas);
-        return txReceipt;
-    }
-    public async marketSellOrdersAsync(
-        orders: SignedOrder[],
-        from: string,
-        opts: { takerAssetFillAmount: BigNumber },
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createMarketSellOrders(orders, opts.takerAssetFillAmount);
-        const data = this._exchange.marketSellOrders.getABIEncodedTransactionData(
-            params.orders,
-            params.takerAssetFillAmount,
-            params.signatures,
-        );
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async marketSellOrdersNoThrowAsync(
-        orders: SignedOrder[],
-        from: string,
-        opts: { takerAssetFillAmount: BigNumber; gas?: number },
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createMarketSellOrders(orders, opts.takerAssetFillAmount);
-        const data = this._exchange.marketSellOrdersNoThrow.getABIEncodedTransactionData(
-            params.orders,
-            params.takerAssetFillAmount,
-            params.signatures,
-        );
-        const txReceipt = this._executeTransaction(data, from, opts.gas);
-        return txReceipt;
-    }
-    public async marketBuyOrdersAsync(
-        orders: SignedOrder[],
-        from: string,
-        opts: { makerAssetFillAmount: BigNumber },
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createMarketBuyOrders(orders, opts.makerAssetFillAmount);
-        const data = this._exchange.marketBuyOrders.getABIEncodedTransactionData(
-            params.orders,
-            params.makerAssetFillAmount,
-            params.signatures,
-        );
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async marketBuyOrdersNoThrowAsync(
-        orders: SignedOrder[],
-        from: string,
-        opts: { makerAssetFillAmount: BigNumber; gas?: number },
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createMarketBuyOrders(orders, opts.makerAssetFillAmount);
-        const data = this._exchange.marketBuyOrdersNoThrow.getABIEncodedTransactionData(
-            params.orders,
-            params.makerAssetFillAmount,
-            params.signatures,
-        );
-        const txReceipt = this._executeTransaction(data, from, opts.gas);
-        return txReceipt;
-    }
-    public async cancelOrderAsync(signedOrder: SignedOrder, from: string): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = orderUtils.createCancel(signedOrder);
-        const data = this._exchange.cancelOrder.getABIEncodedTransactionData(params.order);
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async batchCancelOrdersAsync(
-        orders: SignedOrder[],
-        from: string,
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = formatters.createBatchCancel(orders);
-        const data = this._exchange.batchCancelOrders.getABIEncodedTransactionData(params.orders);
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async cancelOrdersUpToAsync(salt: BigNumber, from: string): Promise<TransactionReceiptWithDecodedLogs> {
-        const data = this._exchange.cancelOrdersUpTo.getABIEncodedTransactionData(salt);
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public async getTakerAssetFilledAmountAsync(orderHashHex: string): Promise<BigNumber> {
-        const filledAmount = await this._exchange.filled.callAsync(orderHashHex);
-        return filledAmount;
-    }
-    public async isCancelledAsync(orderHashHex: string): Promise<boolean> {
-        const isCancelled = await this._exchange.cancelled.callAsync(orderHashHex);
-        return isCancelled;
-    }
-    public async getOrderEpochAsync(makerAddress: string, senderAddress: string): Promise<BigNumber> {
-        const orderEpoch = await this._exchange.orderEpoch.callAsync(makerAddress, senderAddress);
-        return orderEpoch;
-    }
-    public async getOrderInfoAsync(signedOrder: SignedOrder): Promise<OrderInfo> {
-        const orderInfo = (await this._exchange.getOrderInfo.callAsync(signedOrder)) as OrderInfo;
-        return orderInfo;
-    }
-    public async getOrdersInfoAsync(signedOrders: SignedOrder[]): Promise<OrderInfo[]> {
-        const ordersInfo = (await this._exchange.getOrdersInfo.callAsync(signedOrders)) as OrderInfo[];
-        return ordersInfo;
-    }
-    public async matchOrdersAsync(
-        signedOrderLeft: SignedOrder,
-        signedOrderRight: SignedOrder,
-        from: string,
-    ): Promise<TransactionReceiptWithDecodedLogs> {
-        const params = orderUtils.createMatchOrders(signedOrderLeft, signedOrderRight);
-        const data = await this._exchange.matchOrders.getABIEncodedTransactionData(
-            params.left,
-            params.right,
-            params.leftSignature,
-            params.rightSignature
-        );
-        const txReceipt = this._executeTransaction(data, from);
-        return txReceipt;
-    }
-    public getBalanceThresholdAddress(): string {
-        return this._balanceThresholdFilter.address;
-    }
-    public getExchangeAddress(): string {
-        return this._exchange.address;
-    }
-    // Exchange functions
-    //abiEncodeFillOrder
-    //getFillOrderResultsAsync
-    //
-    private async _executeTransaction(abiEncodedExchangeTxData: string, from: string, gas?: number): Promise<TransactionReceiptWithDecodedLogs> {
-        const signedExchangeTx = this._signerTransactionFactory.newSignedTransaction(abiEncodedExchangeTxData);
-        const txOpts = _.isUndefined(gas) ? {from} : {from, gas};
-        const txHash = await this._balanceThresholdFilter.executeTransaction.sendTransactionAsync(
-            signedExchangeTx.salt,
-            signedExchangeTx.signerAddress,
-            signedExchangeTx.data,
-            signedExchangeTx.signature,
-            txOpts,
-        );
-        const txReceipt = await this._logDecoder.getTxWithDecodedLogsAsync(txHash);
-        return txReceipt;
-    }
-}