Merge branch 'v2-prototype' into feature/website/wallet-flex-box

* v2-prototype: (95 commits)
  Add missing dep to website
  Upgrade solidity parser
  Fix trace test
  Fix linter issues
  Move contract utils
  Fix prettier
  Fix NameResolver
  Fix prettier
  Remove 0x.js as a dependency from website
  Enable 0x.js tests
  Fix small bug in order-utils
  Address feedback
  Fix Tslint error caused by "PromiseLike" value
  Fix Tslint error caused by "PromiseLike" value
  Update dogfood url
  fix contract-wrappers version
  Parse compiler.json in SolCompilerArtifactsAdapter
  Fix TokenTransferProxy artifact name since it's now suffixed with _v1
  Update yarn.lock
  Fix signature verification test
  ...

21 files changed, 78 insertions, 65 deletions

diff --git a/packages/website/ts/components/dialogs/eth_weth_conversion_dialog.tsx b/packages/website/ts/components/dialogs/eth_weth_conversion_dialog.tsx
index 069a75560..d647bba80 100644
--- a/packages/website/ts/components/dialogs/eth_weth_conversion_dialog.tsx
+++ b/packages/website/ts/components/dialogs/eth_weth_conversion_dialog.tsx
@@ -1,6 +1,6 @@
-import { ZeroEx } from '0x.js';
 import { colors } from '@0xproject/react-shared';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import Dialog from 'material-ui/Dialog';
 import FlatButton from 'material-ui/FlatButton';
@@ -78,7 +78,7 @@ export class EthWethConversionDialog extends React.Component<
                 ? 'Convert your Ether into a tokenized, tradable form.'
                 : "Convert your Wrapped Ether back into it's native form.";
         const isWrappedVersion = this.props.direction === Side.Receive;
-        const etherBalanceInEth = ZeroEx.toUnitAmount(this.props.etherBalanceInWei, constants.DECIMAL_PLACES_ETH);
+        const etherBalanceInEth = Web3Wrapper.toUnitAmount(this.props.etherBalanceInWei, constants.DECIMAL_PLACES_ETH);
         return (
             <div>
                 <div className="pb2">{explanation}</div>
diff --git a/packages/website/ts/components/dialogs/ledger_config_dialog.tsx b/packages/website/ts/components/dialogs/ledger_config_dialog.tsx
index 3c839d6f5..196414407 100644
--- a/packages/website/ts/components/dialogs/ledger_config_dialog.tsx
+++ b/packages/website/ts/components/dialogs/ledger_config_dialog.tsx
@@ -1,6 +1,6 @@
-import { ZeroEx } from '0x.js';
 import { colors, constants as sharedConstants } from '@0xproject/react-shared';
 import { BigNumber, logUtils } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import Dialog from 'material-ui/Dialog';
 import FlatButton from 'material-ui/FlatButton';
@@ -168,7 +168,7 @@ export class LedgerConfigDialog extends React.Component<LedgerConfigDialogProps,
             // We specifically prefix kovan ETH.
             // TODO: We should probably add prefixes for all networks
             const isKovanNetwork = networkName === 'Kovan';
-            const balanceInEth = ZeroEx.toUnitAmount(balanceInWei, constants.DECIMAL_PLACES_ETH);
+            const balanceInEth = Web3Wrapper.toUnitAmount(balanceInWei, constants.DECIMAL_PLACES_ETH);
             const balanceString = `${balanceInEth.toString()} ${isKovanNetwork ? 'Kovan ' : ''}ETH`;
             return (
                 <TableRow key={userAddress} style={{ height: 40 }}>
diff --git a/packages/website/ts/components/eth_weth_conversion_button.tsx b/packages/website/ts/components/eth_weth_conversion_button.tsx
index e8db42a7a..4b91a2ebd 100644
--- a/packages/website/ts/components/eth_weth_conversion_button.tsx
+++ b/packages/website/ts/components/eth_weth_conversion_button.tsx
@@ -1,5 +1,5 @@
-import { ZeroEx } from '0x.js';
 import { BigNumber, logUtils } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import RaisedButton from 'material-ui/RaisedButton';
 import * as React from 'react';
@@ -95,11 +95,11 @@ export class EthWethConversionButton extends React.Component<
         try {
             if (direction === Side.Deposit) {
                 await this.props.blockchain.convertEthToWrappedEthTokensAsync(token.address, value);
-                const ethAmount = ZeroEx.toUnitAmount(value, constants.DECIMAL_PLACES_ETH);
+                const ethAmount = Web3Wrapper.toUnitAmount(value, constants.DECIMAL_PLACES_ETH);
                 this.props.dispatcher.showFlashMessage(`Successfully wrapped ${ethAmount.toString()} ETH to WETH`);
             } else {
                 await this.props.blockchain.convertWrappedEthTokensToEthAsync(token.address, value);
-                const tokenAmount = ZeroEx.toUnitAmount(value, token.decimals);
+                const tokenAmount = Web3Wrapper.toUnitAmount(value, token.decimals);
                 this.props.dispatcher.showFlashMessage(`Successfully unwrapped ${tokenAmount.toString()} WETH to ETH`);
             }
             if (!this.props.isOutdatedWrappedEther) {
diff --git a/packages/website/ts/components/eth_wrappers.tsx b/packages/website/ts/components/eth_wrappers.tsx
index f19b05861..a5758a66a 100644
--- a/packages/website/ts/components/eth_wrappers.tsx
+++ b/packages/website/ts/components/eth_wrappers.tsx
@@ -1,6 +1,6 @@
-import { ZeroEx } from '0x.js';
 import { colors, EtherscanLinkSuffixes, utils as sharedUtils } from '@0xproject/react-shared';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import Divider from 'material-ui/Divider';
 import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table';
@@ -85,7 +85,7 @@ export class EthWrappers extends React.Component<EthWrappersProps, EthWrappersSt
     }
     public render(): React.ReactNode {
         const etherToken = this._getEthToken();
-        const wethBalance = ZeroEx.toUnitAmount(this.state.ethTokenState.balance, constants.DECIMAL_PLACES_ETH);
+        const wethBalance = Web3Wrapper.toUnitAmount(this.state.ethTokenState.balance, constants.DECIMAL_PLACES_ETH);
         const isBidirectional = true;
         const etherscanUrl = sharedUtils.getEtherScanLinkIfExists(
             etherToken.address,
@@ -93,7 +93,7 @@ export class EthWrappers extends React.Component<EthWrappersProps, EthWrappersSt
             EtherscanLinkSuffixes.Address,
         );
         const tokenLabel = this._renderToken('Wrapped Ether', etherToken.address, configs.ICON_URL_BY_SYMBOL.WETH);
-        const userEtherBalanceInEth = ZeroEx.toUnitAmount(
+        const userEtherBalanceInEth = Web3Wrapper.toUnitAmount(
             this.props.userEtherBalanceInWei,
             constants.DECIMAL_PLACES_ETH,
         );
@@ -265,7 +265,7 @@ export class EthWrappers extends React.Component<EthWrappersProps, EthWrappersSt
                 const outdatedEtherTokenState = this.state.outdatedWETHStateByAddress[outdatedWETHIfExists.address];
                 const isStateLoaded = outdatedEtherTokenState.isLoaded;
                 const balanceInEthIfExists = isStateLoaded
-                    ? ZeroEx.toUnitAmount(outdatedEtherTokenState.balance, constants.DECIMAL_PLACES_ETH).toFixed(
+                    ? Web3Wrapper.toUnitAmount(outdatedEtherTokenState.balance, constants.DECIMAL_PLACES_ETH).toFixed(
                           configs.AMOUNT_DISPLAY_PRECSION,
                       )
                     : undefined;
diff --git a/packages/website/ts/components/fill_order.tsx b/packages/website/ts/components/fill_order.tsx
index 59c32cebc..0168ec8f6 100644
--- a/packages/website/ts/components/fill_order.tsx
+++ b/packages/website/ts/components/fill_order.tsx
@@ -1,6 +1,8 @@
-import { Order as ZeroExOrder, ZeroEx } from '0x.js';
+import { getOrderHashHex, isValidSignature } from '@0xproject/order-utils';
 import { colors, constants as sharedConstants } from '@0xproject/react-shared';
+import { Order as ZeroExOrder } from '@0xproject/types';
 import { BigNumber, logUtils } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as accounting from 'accounting';
 import * as _ from 'lodash';
 import { Card, CardHeader, CardText } from 'material-ui/Card';
@@ -433,15 +435,15 @@ export class FillOrder extends React.Component<FillOrderProps, FillOrderState> {
                 takerTokenAddress: parsedOrder.signedOrder.takerTokenAddress,
                 takerTokenAmount: takerAmount,
             };
-            orderHash = ZeroEx.getOrderHashHex(zeroExOrder);
+            orderHash = getOrderHashHex(zeroExOrder);
 
             const exchangeContractAddr = this.props.blockchain.getExchangeContractAddressIfExists();
             const signature = parsedOrder.signedOrder.ecSignature;
-            const isValidSignature = ZeroEx.isValidSignature(orderHash, signature, parsedOrder.signedOrder.maker);
+            const isSignatureValid = isValidSignature(orderHash, signature, parsedOrder.signedOrder.maker);
             if (exchangeContractAddr !== parsedOrder.signedOrder.exchangeContractAddress) {
                 orderJSONErrMsg = 'This order was made on another network or using a deprecated Exchange contract';
                 parsedOrder = undefined;
-            } else if (!isValidSignature) {
+            } else if (!isSignatureValid) {
                 orderJSONErrMsg = 'Order signature is invalid';
                 parsedOrder = undefined;
             } else {
@@ -600,7 +602,7 @@ export class FillOrder extends React.Component<FillOrderProps, FillOrderState> {
         const takerTokenAmount = new BigNumber(parsedOrder.signedOrder.takerTokenAmount);
 
         const signedOrder = this.props.blockchain.portalOrderToZeroExOrder(parsedOrder);
-        const orderHash = ZeroEx.getOrderHashHex(signedOrder);
+        const orderHash = getOrderHashHex(signedOrder);
         const unavailableTakerAmount = await this.props.blockchain.getUnavailableTakerAmountAsync(orderHash);
         const availableTakerTokenAmount = takerTokenAmount.minus(unavailableTakerAmount);
         try {
@@ -646,7 +648,7 @@ export class FillOrder extends React.Component<FillOrderProps, FillOrderState> {
         }
     }
     private _formatCurrencyAmount(amount: BigNumber, decimals: number): number {
-        const unitAmount = ZeroEx.toUnitAmount(amount, decimals);
+        const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
         const roundedUnitAmount = Math.round(unitAmount.toNumber() * 100000) / 100000;
         return roundedUnitAmount;
     }
diff --git a/packages/website/ts/components/fill_order_json.tsx b/packages/website/ts/components/fill_order_json.tsx
index 97297d5a1..90eedbb18 100644
--- a/packages/website/ts/components/fill_order_json.tsx
+++ b/packages/website/ts/components/fill_order_json.tsx
@@ -1,4 +1,4 @@
-import { ZeroEx } from '0x.js';
+import { generatePseudoRandomSalt } from '@0xproject/order-utils';
 import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 import Paper from 'material-ui/Paper';
@@ -38,7 +38,7 @@ export class FillOrderJSON extends React.Component<FillOrderJSONProps, FillOrder
             s: '937862111edcba395f8a9e0cc1b2c5e12320...',
             v: 27,
         };
-        const hintSalt = ZeroEx.generatePseudoRandomSalt();
+        const hintSalt = generatePseudoRandomSalt();
         const feeRecipient = constants.NULL_ADDRESS;
         const hintOrder = utils.generateOrder(
             exchangeContract,
diff --git a/packages/website/ts/components/flash_messages/token_send_completed.tsx b/packages/website/ts/components/flash_messages/token_send_completed.tsx
index bb5adfa4e..f3f1ea2fc 100644
--- a/packages/website/ts/components/flash_messages/token_send_completed.tsx
+++ b/packages/website/ts/components/flash_messages/token_send_completed.tsx
@@ -1,6 +1,6 @@
-import { ZeroEx } from '0x.js';
 import { colors } from '@0xproject/react-shared';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as React from 'react';
 import { Token } from 'ts/types';
@@ -22,7 +22,7 @@ export class TokenSendCompleted extends React.Component<TokenSendCompletedProps,
                 Verify on Etherscan
             </a>
         );
-        const amountInUnits = ZeroEx.toUnitAmount(this.props.amountInBaseUnits, this.props.token.decimals);
+        const amountInUnits = Web3Wrapper.toUnitAmount(this.props.amountInBaseUnits, this.props.token.decimals);
         const truncatedAddress = utils.getAddressBeginAndEnd(this.props.toAddress);
         return (
             <div>
diff --git a/packages/website/ts/components/generate_order/generate_order_form.tsx b/packages/website/ts/components/generate_order/generate_order_form.tsx
index d46c29058..5f968a5e4 100644
--- a/packages/website/ts/components/generate_order/generate_order_form.tsx
+++ b/packages/website/ts/components/generate_order/generate_order_form.tsx
@@ -1,5 +1,6 @@
-import { ECSignature, Order, ZeroEx } from '0x.js';
+import { generatePseudoRandomSalt, getOrderHashHex } from '@0xproject/order-utils';
 import { colors, constants as sharedConstants } from '@0xproject/react-shared';
+import { ECSignature, Order } from '@0xproject/types';
 import { BigNumber, logUtils } from '@0xproject/utils';
 import * as _ from 'lodash';
 import Dialog from 'material-ui/Dialog';
@@ -78,7 +79,7 @@ export class GenerateOrderForm extends React.Component<GenerateOrderFormProps, G
                                   specified, anyone is able to fill it.';
         const exchangeContractIfExists = this.props.blockchain.getExchangeContractAddressIfExists();
         const initialTakerAddress =
-            this.props.orderTakerAddress === ZeroEx.NULL_ADDRESS ? '' : this.props.orderTakerAddress;
+            this.props.orderTakerAddress === constants.NULL_ADDRESS ? '' : this.props.orderTakerAddress;
         return (
             <div className="clearfix mb2 lg-px4 md-px4 sm-px2">
                 <h3>Generate an order</h3>
@@ -224,7 +225,7 @@ export class GenerateOrderForm extends React.Component<GenerateOrderFormProps, G
         // Upon closing the order JSON dialog, we update the orderSalt stored in the Redux store
         // with a new value so that if a user signs the identical order again, the newly signed
         // orderHash will not collide with the previously generated orderHash.
-        this.props.dispatcher.updateOrderSalt(ZeroEx.generatePseudoRandomSalt());
+        this.props.dispatcher.updateOrderSalt(generatePseudoRandomSalt());
         this.setState({
             signingState: SigningState.UNSIGNED,
         });
@@ -305,7 +306,7 @@ export class GenerateOrderForm extends React.Component<GenerateOrderFormProps, G
             takerTokenAddress: hashData.receiveTokenContractAddr,
             takerTokenAmount: hashData.receiveAmount,
         };
-        const orderHash = ZeroEx.getOrderHashHex(zeroExOrder);
+        const orderHash = getOrderHashHex(zeroExOrder);
 
         let globalErrMsg = '';
         try {
@@ -348,7 +349,7 @@ export class GenerateOrderForm extends React.Component<GenerateOrderFormProps, G
     }
     private _updateOrderAddress(address?: string): void {
         if (!_.isUndefined(address)) {
-            const normalizedAddress = _.isEmpty(address) ? ZeroEx.NULL_ADDRESS : address;
+            const normalizedAddress = _.isEmpty(address) ? constants.NULL_ADDRESS : address;
             this.props.dispatcher.updateOrderTakerAddress(normalizedAddress);
         }
     }
diff --git a/packages/website/ts/components/generate_order/new_token_form.tsx b/packages/website/ts/components/generate_order/new_token_form.tsx
index 10f71b430..a9b8e9589 100644
--- a/packages/website/ts/components/generate_order/new_token_form.tsx
+++ b/packages/website/ts/components/generate_order/new_token_form.tsx
@@ -157,14 +157,14 @@ export class NewTokenForm extends React.Component<NewTokenFormProps, NewTokenFor
         const maxLength = 30;
         const tokens = _.values(this.props.tokenByAddress);
         const tokenWithNameIfExists = _.find(tokens, { name });
-        const tokenWithNameExists = !_.isUndefined(tokenWithNameIfExists);
+        const doesTokenWithNameExists = !_.isUndefined(tokenWithNameIfExists);
         if (name === '') {
             nameErrText = 'Name is required';
         } else if (!this._isValidName(name)) {
             nameErrText = 'Name should only contain letters, digits and spaces';
         } else if (name.length > maxLength) {
             nameErrText = `Max length is ${maxLength}`;
-        } else if (tokenWithNameExists) {
+        } else if (doesTokenWithNameExists) {
             nameErrText = 'Token with this name already exists';
         }
 
@@ -177,14 +177,14 @@ export class NewTokenForm extends React.Component<NewTokenFormProps, NewTokenFor
         let symbolErrText = '';
         const maxLength = 5;
         const tokens = _.values(this.props.tokenByAddress);
-        const tokenWithSymbolExists = !_.isUndefined(_.find(tokens, { symbol }));
+        const doesTokenWithSymbolExists = !_.isUndefined(_.find(tokens, { symbol }));
         if (symbol === '') {
             symbolErrText = 'Symbol is required';
         } else if (!this._isAlphanumeric(symbol)) {
             symbolErrText = 'Can only include alphanumeric characters';
         } else if (symbol.length > maxLength) {
             symbolErrText = `Max length is ${maxLength}`;
-        } else if (tokenWithSymbolExists) {
+        } else if (doesTokenWithSymbolExists) {
             symbolErrText = 'Token with symbol already exists';
         }
 
diff --git a/packages/website/ts/components/inputs/eth_amount_input.tsx b/packages/website/ts/components/inputs/eth_amount_input.tsx
index fa684d85c..1f0f27410 100644
--- a/packages/website/ts/components/inputs/eth_amount_input.tsx
+++ b/packages/website/ts/components/inputs/eth_amount_input.tsx
@@ -1,5 +1,5 @@
-import { ZeroEx } from '0x.js';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as React from 'react';
 import { BalanceBoundedInput } from 'ts/components/inputs/balance_bounded_input';
@@ -34,7 +34,7 @@ export class EthAmountInput extends React.Component<EthAmountInputProps, EthAmou
     };
     public render(): React.ReactNode {
         const amount = this.props.amount
-            ? ZeroEx.toUnitAmount(this.props.amount, constants.DECIMAL_PLACES_ETH)
+            ? Web3Wrapper.toUnitAmount(this.props.amount, constants.DECIMAL_PLACES_ETH)
             : undefined;
         return (
             <div className="flex overflow-hidden" style={this.props.style}>
@@ -61,7 +61,7 @@ export class EthAmountInput extends React.Component<EthAmountInputProps, EthAmou
     private _onChange(isValid: boolean, amount?: BigNumber): void {
         const baseUnitAmountIfExists = _.isUndefined(amount)
             ? undefined
-            : ZeroEx.toBaseUnitAmount(amount, constants.DECIMAL_PLACES_ETH);
+            : Web3Wrapper.toBaseUnitAmount(amount, constants.DECIMAL_PLACES_ETH);
         this.props.onChange(isValid, baseUnitAmountIfExists);
     }
     private _getLabelStyle(): React.CSSProperties {
diff --git a/packages/website/ts/components/inputs/hash_input.tsx b/packages/website/ts/components/inputs/hash_input.tsx
index 37d4af138..8d9cdfc0b 100644
--- a/packages/website/ts/components/inputs/hash_input.tsx
+++ b/packages/website/ts/components/inputs/hash_input.tsx
@@ -1,5 +1,6 @@
-import { Order, ZeroEx } from '0x.js';
+import { getOrderHashHex } from '@0xproject/order-utils';
 import { Styles } from '@0xproject/react-shared';
+import { Order } from '@0xproject/types';
 import * as _ from 'lodash';
 import * as React from 'react';
 import ReactTooltip = require('react-tooltip');
@@ -57,7 +58,7 @@ export class HashInput extends React.Component<HashInputProps, HashInputState> {
             takerTokenAddress: hashData.receiveTokenContractAddr,
             takerTokenAmount: hashData.receiveAmount,
         };
-        const orderHash = ZeroEx.getOrderHashHex(order);
+        const orderHash = getOrderHashHex(order);
         return orderHash;
     }
 }
diff --git a/packages/website/ts/components/inputs/token_amount_input.tsx b/packages/website/ts/components/inputs/token_amount_input.tsx
index f040928f1..a67120320 100644
--- a/packages/website/ts/components/inputs/token_amount_input.tsx
+++ b/packages/website/ts/components/inputs/token_amount_input.tsx
@@ -1,6 +1,6 @@
-import { ZeroEx } from '0x.js';
 import { colors } from '@0xproject/react-shared';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as React from 'react';
 import { Link } from 'react-router-dom';
@@ -75,14 +75,14 @@ export class TokenAmountInput extends React.Component<TokenAmountInputProps, Tok
     }
     public render(): React.ReactNode {
         const amount = this.props.amount
-            ? ZeroEx.toUnitAmount(this.props.amount, this.props.token.decimals)
+            ? Web3Wrapper.toUnitAmount(this.props.amount, this.props.token.decimals)
             : undefined;
         return (
             <div className="flex overflow-hidden" style={this._getStyle()}>
                 <BalanceBoundedInput
                     label={this.props.label}
                     amount={amount}
-                    balance={ZeroEx.toUnitAmount(this.state.balance, this.props.token.decimals)}
+                    balance={Web3Wrapper.toUnitAmount(this.state.balance, this.props.token.decimals)}
                     onChange={this._onChange.bind(this)}
                     onErrorMsgChange={this.props.onErrorMsgChange}
                     validate={this._validate.bind(this)}
@@ -103,7 +103,7 @@ export class TokenAmountInput extends React.Component<TokenAmountInputProps, Tok
     private _onChange(isValid: boolean, amount?: BigNumber): void {
         let baseUnitAmount;
         if (!_.isUndefined(amount)) {
-            baseUnitAmount = ZeroEx.toBaseUnitAmount(amount, this.props.token.decimals);
+            baseUnitAmount = Web3Wrapper.toBaseUnitAmount(amount, this.props.token.decimals);
         }
         this.props.onChange(isValid, baseUnitAmount);
     }
diff --git a/packages/website/ts/components/order_json.tsx b/packages/website/ts/components/order_json.tsx
index 6feefea50..35188c024 100644
--- a/packages/website/ts/components/order_json.tsx
+++ b/packages/website/ts/components/order_json.tsx
@@ -1,4 +1,4 @@
-import { ECSignature } from '0x.js';
+import { ECSignature } from '@0xproject/types';
 import { BigNumber, logUtils } from '@0xproject/utils';
 import * as _ from 'lodash';
 import Paper from 'material-ui/Paper';
diff --git a/packages/website/ts/components/portal/menu.tsx b/packages/website/ts/components/portal/menu.tsx
index e8353a3b0..6a3301549 100644
--- a/packages/website/ts/components/portal/menu.tsx
+++ b/packages/website/ts/components/portal/menu.tsx
@@ -61,13 +61,13 @@ export const Menu: React.StatelessComponent<MenuProps> = (props: MenuProps) => {
     return (
         <div>
             {_.map(props.menuItemEntries, entry => {
-                const selected = entry.to === props.selectedPath;
+                const isSelected = entry.to === props.selectedPath;
                 return (
                     <MenuItem key={entry.to} to={entry.to}>
                         <MenuItemLabel
                             title={entry.labelText}
                             iconName={entry.iconName}
-                            selected={selected}
+                            selected={isSelected}
                             theme={props.theme}
                         />
                     </MenuItem>
diff --git a/packages/website/ts/components/portal/portal.tsx b/packages/website/ts/components/portal/portal.tsx
index b992204a7..1bd318c28 100644
--- a/packages/website/ts/components/portal/portal.tsx
+++ b/packages/website/ts/components/portal/portal.tsx
@@ -466,8 +466,8 @@ export class Portal extends React.Component<PortalProps, PortalState> {
         this.props.dispatcher.updateScreenWidth(newScreenWidth);
     }
     private _isSmallScreen(): boolean {
-        const result = this.props.screenWidth === ScreenWidths.Sm;
-        return result;
+        const isSmallScreen = this.props.screenWidth === ScreenWidths.Sm;
+        return isSmallScreen;
     }
 }
 
diff --git a/packages/website/ts/components/relayer_index/relayer_index.tsx b/packages/website/ts/components/relayer_index/relayer_index.tsx
index 8da4e0e10..9ef6eaf59 100644
--- a/packages/website/ts/components/relayer_index/relayer_index.tsx
+++ b/packages/website/ts/components/relayer_index/relayer_index.tsx
@@ -60,8 +60,8 @@ export class RelayerIndex extends React.Component<RelayerIndexProps, RelayerInde
         this._isUnmounted = true;
     }
     public render(): React.ReactNode {
-        const readyToRender = _.isUndefined(this.state.error) && !_.isUndefined(this.state.relayerInfos);
-        if (!readyToRender) {
+        const isReadyToRender = _.isUndefined(this.state.error) && !_.isUndefined(this.state.relayerInfos);
+        if (!isReadyToRender) {
             return (
                 // TODO: consolidate this loading component with the one in portal
                 <div className="center">
diff --git a/packages/website/ts/components/token_balances.tsx b/packages/website/ts/components/token_balances.tsx
index 83948e5c2..f5a51dabb 100644
--- a/packages/website/ts/components/token_balances.tsx
+++ b/packages/website/ts/components/token_balances.tsx
@@ -1,4 +1,3 @@
-import { ZeroEx } from '0x.js';
 import {
     colors,
     constants as sharedConstants,
@@ -8,6 +7,7 @@ import {
     utils as sharedUtils,
 } from '@0xproject/react-shared';
 import { BigNumber, logUtils } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import Dialog from 'material-ui/Dialog';
 import Divider from 'material-ui/Divider';
@@ -111,7 +111,7 @@ export class TokenBalances extends React.Component<TokenBalancesProps, TokenBala
         if (nextProps.userEtherBalanceInWei !== this.props.userEtherBalanceInWei) {
             if (this.state.isBalanceSpinnerVisible) {
                 const receivedAmountInWei = nextProps.userEtherBalanceInWei.minus(this.props.userEtherBalanceInWei);
-                const receivedAmountInEth = ZeroEx.toUnitAmount(receivedAmountInWei, constants.DECIMAL_PLACES_ETH);
+                const receivedAmountInEth = Web3Wrapper.toUnitAmount(receivedAmountInWei, constants.DECIMAL_PLACES_ETH);
                 const networkName = sharedConstants.NETWORK_NAME_BY_ID[this.props.networkId];
                 this.props.dispatcher.showFlashMessage(
                     `Received ${receivedAmountInEth.toString(10)} ${networkName} Ether`,
@@ -180,7 +180,7 @@ export class TokenBalances extends React.Component<TokenBalancesProps, TokenBala
                                   token balances in order to execute trades.<br> \
                                   Toggling sets an allowance for the<br> \
                                   smart contract so you can start trading that token.';
-        const userEtherBalanceInEth = ZeroEx.toUnitAmount(
+        const userEtherBalanceInEth = Web3Wrapper.toUnitAmount(
             this.props.userEtherBalanceInWei,
             constants.DECIMAL_PLACES_ETH,
         );
@@ -445,7 +445,7 @@ export class TokenBalances extends React.Component<TokenBalancesProps, TokenBala
         });
     }
     private _renderAmount(amount: BigNumber, decimals: number): React.ReactNode {
-        const unitAmount = ZeroEx.toUnitAmount(amount, decimals);
+        const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
         return unitAmount.toNumber().toFixed(configs.AMOUNT_DISPLAY_PRECSION);
     }
     private _renderTokenName(token: Token): React.ReactNode {
@@ -508,7 +508,7 @@ export class TokenBalances extends React.Component<TokenBalancesProps, TokenBala
         try {
             await this.props.blockchain.mintTestTokensAsync(token);
             await this._refetchTokenStateAsync(token.address);
-            const amount = ZeroEx.toUnitAmount(constants.MINT_AMOUNT, token.decimals);
+            const amount = Web3Wrapper.toUnitAmount(constants.MINT_AMOUNT, token.decimals);
             this.props.dispatcher.showFlashMessage(`Successfully minted ${amount.toString(10)} ${token.symbol}`);
             return true;
         } catch (err) {
diff --git a/packages/website/ts/components/trade_history/trade_history_item.tsx b/packages/website/ts/components/trade_history/trade_history_item.tsx
index adca4d58c..321a8b0e1 100644
--- a/packages/website/ts/components/trade_history/trade_history_item.tsx
+++ b/packages/website/ts/components/trade_history/trade_history_item.tsx
@@ -1,6 +1,6 @@
-import { ZeroEx } from '0x.js';
 import { colors, EtherscanLinkSuffixes } from '@0xproject/react-shared';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import Paper from 'material-ui/Paper';
 import * as moment from 'moment';
@@ -90,10 +90,16 @@ export class TradeHistoryItem extends React.Component<TradeHistoryItemProps, Tra
     }
     private _renderAmounts(makerToken: Token, takerToken: Token): React.ReactNode {
         const fill = this.props.fill;
-        const filledTakerTokenAmountInUnits = ZeroEx.toUnitAmount(fill.filledTakerTokenAmount, takerToken.decimals);
-        const filledMakerTokenAmountInUnits = ZeroEx.toUnitAmount(fill.filledMakerTokenAmount, takerToken.decimals);
+        const filledTakerTokenAmountInUnits = Web3Wrapper.toUnitAmount(
+            fill.filledTakerTokenAmount,
+            takerToken.decimals,
+        );
+        const filledMakerTokenAmountInUnits = Web3Wrapper.toUnitAmount(
+            fill.filledMakerTokenAmount,
+            takerToken.decimals,
+        );
         let exchangeRate = filledTakerTokenAmountInUnits.div(filledMakerTokenAmountInUnits);
-        const fillMakerTokenAmount = ZeroEx.toBaseUnitAmount(filledMakerTokenAmountInUnits, makerToken.decimals);
+        const fillMakerTokenAmount = Web3Wrapper.toBaseUnitAmount(filledMakerTokenAmountInUnits, makerToken.decimals);
 
         let receiveAmount;
         let receiveToken;
@@ -160,7 +166,7 @@ export class TradeHistoryItem extends React.Component<TradeHistoryItemProps, Tra
         );
     }
     private _renderAmount(amount: BigNumber, symbol: string, decimals: number): React.ReactNode {
-        const unitAmount = ZeroEx.toUnitAmount(amount, decimals);
+        const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
         return (
             <span>
                 {unitAmount.toFixed(configs.AMOUNT_DISPLAY_PRECSION)} {symbol}
diff --git a/packages/website/ts/components/visual_order.tsx b/packages/website/ts/components/visual_order.tsx
index 76a283547..a8d18006e 100644
--- a/packages/website/ts/components/visual_order.tsx
+++ b/packages/website/ts/components/visual_order.tsx
@@ -1,4 +1,4 @@
-import { ZeroEx } from '0x.js';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as React from 'react';
 import { Party } from 'ts/components/ui/party';
@@ -63,7 +63,7 @@ export class VisualOrder extends React.Component<VisualOrderProps, VisualOrderSt
         );
     }
     private _renderAmount(assetToken: AssetToken, token: Token): React.ReactNode {
-        const unitAmount = ZeroEx.toUnitAmount(assetToken.amount, token.decimals);
+        const unitAmount = Web3Wrapper.toUnitAmount(assetToken.amount, token.decimals);
         return (
             <div style={{ fontSize: 13 }}>
                 {unitAmount.toNumber().toFixed(configs.AMOUNT_DISPLAY_PRECSION)} {token.symbol}
diff --git a/packages/website/ts/components/wallet/wallet.tsx b/packages/website/ts/components/wallet/wallet.tsx
index 113f3c864..d0354580d 100644
--- a/packages/website/ts/components/wallet/wallet.tsx
+++ b/packages/website/ts/components/wallet/wallet.tsx
@@ -1,4 +1,3 @@
-import { ZeroEx } from '0x.js';
 import {
     constants as sharedConstants,
     EtherscanLinkSuffixes,
@@ -6,6 +5,7 @@ import {
     utils as sharedUtils,
 } from '@0xproject/react-shared';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import FlatButton from 'material-ui/FlatButton';
 import FloatingActionButton from 'material-ui/FloatingActionButton';
@@ -450,7 +450,7 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
         );
     }
     private _renderAmount(amount: BigNumber, decimals: number, symbol: string): React.ReactNode {
-        const unitAmount = ZeroEx.toUnitAmount(amount, decimals);
+        const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
         const formattedAmount = unitAmount.toPrecision(TOKEN_AMOUNT_DISPLAY_PRECISION);
         const result = `${formattedAmount} ${symbol}`;
         return <div style={styles.amountLabel}>{result}</div>;
@@ -459,7 +459,7 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
         if (_.isUndefined(price)) {
             return null;
         }
-        const unitAmount = ZeroEx.toUnitAmount(amount, decimals);
+        const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
         const value = unitAmount.mul(price);
         const formattedAmount = value.toFixed(USD_DECIMAL_PLACES);
         const result = `$${formattedAmount}`;
diff --git a/packages/website/ts/components/wallet/wrap_ether_item.tsx b/packages/website/ts/components/wallet/wrap_ether_item.tsx
index aab1d4439..34b5b8824 100644
--- a/packages/website/ts/components/wallet/wrap_ether_item.tsx
+++ b/packages/website/ts/components/wallet/wrap_ether_item.tsx
@@ -1,6 +1,6 @@
-import { ZeroEx } from '0x.js';
 import { Styles } from '@0xproject/react-shared';
 import { BigNumber, logUtils } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import FlatButton from 'material-ui/FlatButton';
 import { ListItem } from 'material-ui/List';
@@ -90,7 +90,10 @@ export class WrapEtherItem extends React.Component<WrapEtherItemProps, WrapEther
         };
     }
     public render(): React.ReactNode {
-        const etherBalanceInEth = ZeroEx.toUnitAmount(this.props.userEtherBalanceInWei, constants.DECIMAL_PLACES_ETH);
+        const etherBalanceInEth = Web3Wrapper.toUnitAmount(
+            this.props.userEtherBalanceInWei,
+            constants.DECIMAL_PLACES_ETH,
+        );
         const isWrappingEth = this.props.direction === Side.Deposit;
         const topLabelText = isWrappingEth ? 'Convert ETH into WETH 1:1' : 'Convert WETH into ETH 1:1';
 
@@ -192,11 +195,11 @@ export class WrapEtherItem extends React.Component<WrapEtherItemProps, WrapEther
             const amountToConvert = this.state.currentInputAmount;
             if (this.props.direction === Side.Deposit) {
                 await this.props.blockchain.convertEthToWrappedEthTokensAsync(etherToken.address, amountToConvert);
-                const ethAmount = ZeroEx.toUnitAmount(amountToConvert, constants.DECIMAL_PLACES_ETH);
+                const ethAmount = Web3Wrapper.toUnitAmount(amountToConvert, constants.DECIMAL_PLACES_ETH);
                 this.props.dispatcher.showFlashMessage(`Successfully wrapped ${ethAmount.toString()} ETH to WETH`);
             } else {
                 await this.props.blockchain.convertWrappedEthTokensToEthAsync(etherToken.address, amountToConvert);
-                const tokenAmount = ZeroEx.toUnitAmount(amountToConvert, etherToken.decimals);
+                const tokenAmount = Web3Wrapper.toUnitAmount(amountToConvert, etherToken.decimals);
                 this.props.dispatcher.showFlashMessage(`Successfully unwrapped ${tokenAmount.toString()} WETH to ETH`);
             }
             await this.props.refetchEthTokenStateAsync();