Merge branch 'development' of https://github.com/0xProject/0x-monorepo into feature/instant/input-fees-rounding

12 files changed, 113 insertions, 51 deletions

diff --git a/packages/instant/src/components/buy_button.tsx b/packages/instant/src/components/buy_button.tsx
index 9c42f3d87..a70269dde 100644
--- a/packages/instant/src/components/buy_button.tsx
+++ b/packages/instant/src/components/buy_button.tsx
@@ -1,7 +1,8 @@
-import { AssetBuyer, BuyQuote } from '@0x/asset-buyer';
+import { AssetBuyer, AssetBuyerError, BuyQuote } from '@0x/asset-buyer';
 import * as _ from 'lodash';
 import * as React from 'react';
 
+import { WEB_3_WRAPPER_TRANSACTION_FAILED_ERROR_MSG_PREFIX } from '../constants';
 import { ColorOption } from '../style/theme';
 import { util } from '../util/util';
 import { web3Wrapper } from '../util/web3_wrapper';
@@ -11,9 +12,11 @@ import { Button, Text } from './ui';
 export interface BuyButtonProps {
     buyQuote?: BuyQuote;
     assetBuyer?: AssetBuyer;
-    onClick: (buyQuote: BuyQuote) => void;
-    onBuySuccess: (buyQuote: BuyQuote, txnHash: string) => void;
-    onBuyFailure: (buyQuote: BuyQuote, tnxHash?: string) => void;
+    onAwaitingSignature: (buyQuote: BuyQuote) => void;
+    onSignatureDenied: (buyQuote: BuyQuote, preventedError: Error) => void;
+    onBuyProcessing: (buyQuote: BuyQuote, txHash: string) => void;
+    onBuySuccess: (buyQuote: BuyQuote, txHash: string) => void;
+    onBuyFailure: (buyQuote: BuyQuote, txHash: string) => void;
 }
 
 export class BuyButton extends React.Component<BuyButtonProps> {
@@ -34,17 +37,33 @@ export class BuyButton extends React.Component<BuyButtonProps> {
     }
     private readonly _handleClick = async () => {
         // The button is disabled when there is no buy quote anyway.
-        if (_.isUndefined(this.props.buyQuote) || _.isUndefined(this.props.assetBuyer)) {
+        const { buyQuote, assetBuyer } = this.props;
+        if (_.isUndefined(buyQuote) || _.isUndefined(assetBuyer)) {
             return;
         }
-        this.props.onClick(this.props.buyQuote);
-        let txnHash;
+
+        let txHash: string | undefined;
+        this.props.onAwaitingSignature(buyQuote);
+        try {
+            txHash = await assetBuyer.executeBuyQuoteAsync(buyQuote);
+        } catch (e) {
+            if (e instanceof Error && e.message === AssetBuyerError.SignatureRequestDenied) {
+                this.props.onSignatureDenied(buyQuote, e);
+                return;
+            }
+            throw e;
+        }
+
+        this.props.onBuyProcessing(buyQuote, txHash);
         try {
-            txnHash = await this.props.assetBuyer.executeBuyQuoteAsync(this.props.buyQuote);
-            const txnReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txnHash);
-            this.props.onBuySuccess(this.props.buyQuote, txnReceipt.transactionHash);
-        } catch {
-            this.props.onBuyFailure(this.props.buyQuote, txnHash);
+            await web3Wrapper.awaitTransactionSuccessAsync(txHash);
+        } catch (e) {
+            if (e instanceof Error && e.message.startsWith(WEB_3_WRAPPER_TRANSACTION_FAILED_ERROR_MSG_PREFIX)) {
+                this.props.onBuyFailure(buyQuote, txHash);
+                return;
+            }
+            throw e;
         }
+        this.props.onBuySuccess(buyQuote, txHash);
     };
 }
diff --git a/packages/instant/src/components/buy_order_state_button.tsx b/packages/instant/src/components/buy_order_state_button.tsx
index 5bc965c7d..44115e5a1 100644
--- a/packages/instant/src/components/buy_order_state_button.tsx
+++ b/packages/instant/src/components/buy_order_state_button.tsx
@@ -4,18 +4,21 @@ import { PlacingOrderButton } from '../components/placing_order_button';
 import { SelectedAssetBuyButton } from '../containers/selected_asset_buy_button';
 import { SelectedAssetRetryButton } from '../containers/selected_asset_retry_button';
 import { SelectedAssetViewTransactionButton } from '../containers/selected_asset_view_transaction_button';
-import { AsyncProcessState } from '../types';
+import { OrderProcessState } from '../types';
 
 export interface BuyOrderStateButtonProps {
-    buyOrderProcessingState: AsyncProcessState;
+    buyOrderProcessingState: OrderProcessState;
 }
 
 export const BuyOrderStateButton: React.StatelessComponent<BuyOrderStateButtonProps> = props => {
-    if (props.buyOrderProcessingState === AsyncProcessState.FAILURE) {
+    if (props.buyOrderProcessingState === OrderProcessState.FAILURE) {
         return <SelectedAssetRetryButton />;
-    } else if (props.buyOrderProcessingState === AsyncProcessState.SUCCESS) {
+    } else if (
+        props.buyOrderProcessingState === OrderProcessState.SUCCESS ||
+        props.buyOrderProcessingState === OrderProcessState.PROCESSING
+    ) {
         return <SelectedAssetViewTransactionButton />;
-    } else if (props.buyOrderProcessingState === AsyncProcessState.PENDING) {
+    } else if (props.buyOrderProcessingState === OrderProcessState.AWAITING_SIGNATURE) {
         return <PlacingOrderButton />;
     }
 
diff --git a/packages/instant/src/components/instant_heading.tsx b/packages/instant/src/components/instant_heading.tsx
index df9856277..1ef276ff3 100644
--- a/packages/instant/src/components/instant_heading.tsx
+++ b/packages/instant/src/components/instant_heading.tsx
@@ -4,12 +4,13 @@ import * as React from 'react';
 
 import { SelectedERC20AssetAmountInput } from '../containers/selected_erc20_asset_amount_input';
 import { ColorOption } from '../style/theme';
-import { AsyncProcessState, OrderState } from '../types';
+import { AsyncProcessState, OrderProcessState, OrderState } from '../types';
 import { format } from '../util/format';
 
 import { AmountPlaceholder } from './amount_placeholder';
 import { Container, Flex, Text } from './ui';
 import { Icon } from './ui/icon';
+import { Spinner } from './ui/spinner';
 
 export interface InstantHeadingProps {
     selectedAssetAmount?: BigNumber;
@@ -70,9 +71,11 @@ export class InstantHeading extends React.Component<InstantHeadingProps, {}> {
     private _renderIcon(): React.ReactNode {
         const processState = this.props.buyOrderState.processState;
 
-        if (processState === AsyncProcessState.FAILURE) {
+        if (processState === OrderProcessState.FAILURE) {
             return <Icon icon={'failed'} width={ICON_WIDTH} height={ICON_HEIGHT} color={ICON_COLOR} />;
-        } else if (processState === AsyncProcessState.SUCCESS) {
+        } else if (processState === OrderProcessState.PROCESSING) {
+            return <Spinner widthPx={ICON_HEIGHT} heightPx={ICON_HEIGHT} />;
+        } else if (processState === OrderProcessState.SUCCESS) {
             return <Icon icon={'success'} width={ICON_WIDTH} height={ICON_HEIGHT} color={ICON_COLOR} />;
         }
         return undefined;
@@ -80,9 +83,11 @@ export class InstantHeading extends React.Component<InstantHeadingProps, {}> {
 
     private _renderTopText(): React.ReactNode {
         const processState = this.props.buyOrderState.processState;
-        if (processState === AsyncProcessState.FAILURE) {
+        if (processState === OrderProcessState.FAILURE) {
             return 'Order failed';
-        } else if (processState === AsyncProcessState.SUCCESS) {
+        } else if (processState === OrderProcessState.PROCESSING) {
+            return 'Processing Order...';
+        } else if (processState === OrderProcessState.SUCCESS) {
             return 'Tokens received!';
         }
 
diff --git a/packages/instant/src/constants.ts b/packages/instant/src/constants.ts
index 31491c80a..48d0d4aa2 100644
--- a/packages/instant/src/constants.ts
+++ b/packages/instant/src/constants.ts
@@ -2,3 +2,4 @@ import { BigNumber } from '@0x/utils';
 export const BIG_NUMBER_ZERO = new BigNumber(0);
 export const ethDecimals = 18;
 export const DEFAULT_ZERO_EX_CONTAINER_SELECTOR = '#zeroExInstantContainer';
+export const WEB_3_WRAPPER_TRANSACTION_FAILED_ERROR_MSG_PREFIX = 'Transaction failed';
diff --git a/packages/instant/src/containers/selected_asset_buy_button.ts b/packages/instant/src/containers/selected_asset_buy_button.ts
index 71d2b8cf0..adcbd61bc 100644
--- a/packages/instant/src/containers/selected_asset_buy_button.ts
+++ b/packages/instant/src/containers/selected_asset_buy_button.ts
@@ -6,7 +6,7 @@ import { Dispatch } from 'redux';
 
 import { Action, actions } from '../redux/actions';
 import { State } from '../redux/reducer';
-import { AsyncProcessState } from '../types';
+import { OrderProcessState, OrderState } from '../types';
 
 import { BuyButton } from '../components/buy_button';
 
@@ -18,9 +18,11 @@ interface ConnectedState {
 }
 
 interface ConnectedDispatch {
-    onClick: (buyQuote: BuyQuote) => void;
-    onBuySuccess: (buyQuote: BuyQuote, txnHash: string) => void;
-    onBuyFailure: (buyQuote: BuyQuote) => void;
+    onAwaitingSignature: (buyQuote: BuyQuote) => void;
+    onSignatureDenied: (buyQuote: BuyQuote, error: Error) => void;
+    onBuyProcessing: (buyQuote: BuyQuote, txHash: string) => void;
+    onBuySuccess: (buyQuote: BuyQuote, txHash: string) => void;
+    onBuyFailure: (buyQuote: BuyQuote, txHash: string) => void;
 }
 
 const mapStateToProps = (state: State, _ownProps: SelectedAssetBuyButtonProps): ConnectedState => ({
@@ -29,10 +31,22 @@ const mapStateToProps = (state: State, _ownProps: SelectedAssetBuyButtonProps):
 });
 
 const mapDispatchToProps = (dispatch: Dispatch<Action>, ownProps: SelectedAssetBuyButtonProps): ConnectedDispatch => ({
-    onClick: buyQuote => dispatch(actions.updateBuyOrderState({ processState: AsyncProcessState.PENDING })),
-    onBuySuccess: (buyQuote: BuyQuote, txnHash: string) =>
-        dispatch(actions.updateBuyOrderState({ processState: AsyncProcessState.SUCCESS, txnHash })),
-    onBuyFailure: buyQuote => dispatch(actions.updateBuyOrderState({ processState: AsyncProcessState.FAILURE })),
+    onAwaitingSignature: (buyQuote: BuyQuote) => {
+        const newOrderState: OrderState = { processState: OrderProcessState.AWAITING_SIGNATURE };
+        dispatch(actions.updateBuyOrderState(newOrderState));
+    },
+    onBuyProcessing: (buyQuote: BuyQuote, txHash: string) => {
+        const newOrderState: OrderState = { processState: OrderProcessState.PROCESSING, txHash };
+        dispatch(actions.updateBuyOrderState(newOrderState));
+    },
+    onBuySuccess: (buyQuote: BuyQuote, txHash: string) =>
+        dispatch(actions.updateBuyOrderState({ processState: OrderProcessState.SUCCESS, txHash })),
+    onBuyFailure: (buyQuote: BuyQuote, txHash: string) =>
+        dispatch(actions.updateBuyOrderState({ processState: OrderProcessState.FAILURE, txHash })),
+    onSignatureDenied: (buyQuote, error) => {
+        dispatch(actions.resetAmount());
+        dispatch(actions.setError(error));
+    },
 });
 
 export const SelectedAssetBuyButton: React.ComponentClass<SelectedAssetBuyButtonProps> = connect(
diff --git a/packages/instant/src/containers/selected_asset_buy_order_state_button.tsx b/packages/instant/src/containers/selected_asset_buy_order_state_button.tsx
index f3efbb5d2..7faa79912 100644
--- a/packages/instant/src/containers/selected_asset_buy_order_state_button.tsx
+++ b/packages/instant/src/containers/selected_asset_buy_order_state_button.tsx
@@ -3,12 +3,12 @@ import * as React from 'react';
 import { connect } from 'react-redux';
 
 import { State } from '../redux/reducer';
-import { AsyncProcessState } from '../types';
+import { OrderProcessState } from '../types';
 
 import { BuyOrderStateButton } from '../components/buy_order_state_button';
 
 interface ConnectedState {
-    buyOrderProcessingState: AsyncProcessState;
+    buyOrderProcessingState: OrderProcessState;
 }
 export interface SelectedAssetButtonProps {}
 const mapStateToProps = (state: State, _ownProps: SelectedAssetButtonProps): ConnectedState => ({
diff --git a/packages/instant/src/containers/selected_asset_view_transaction_button.tsx b/packages/instant/src/containers/selected_asset_view_transaction_button.tsx
index 6f42b9f85..064b877be 100644
--- a/packages/instant/src/containers/selected_asset_view_transaction_button.tsx
+++ b/packages/instant/src/containers/selected_asset_view_transaction_button.tsx
@@ -5,7 +5,7 @@ import { connect } from 'react-redux';
 import { State } from '../redux/reducer';
 
 import { ViewTransactionButton } from '../components/view_transaction_button';
-import { AsyncProcessState } from '../types';
+import { OrderProcessState } from '../types';
 import { etherscanUtil } from '../util/etherscan';
 
 export interface SelectedAssetViewTransactionButtonProps {}
@@ -16,9 +16,13 @@ interface ConnectedState {
 
 const mapStateToProps = (state: State, _ownProps: {}): ConnectedState => ({
     onClick: () => {
-        if (state.assetBuyer && state.buyOrderState.processState === AsyncProcessState.SUCCESS) {
+        if (
+            state.assetBuyer &&
+            (state.buyOrderState.processState === OrderProcessState.PROCESSING ||
+                state.buyOrderState.processState === OrderProcessState.SUCCESS)
+        ) {
             const etherscanUrl = etherscanUtil.getEtherScanTxnAddressIfExists(
-                state.buyOrderState.txnHash,
+                state.buyOrderState.txHash,
                 state.assetBuyer.networkId,
             );
             if (etherscanUrl) {
diff --git a/packages/instant/src/containers/selected_erc20_asset_amount_input.ts b/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
index 078f96cd4..ee76e9d66 100644
--- a/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
+++ b/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
@@ -10,7 +10,7 @@ import { Dispatch } from 'redux';
 import { Action, actions } from '../redux/actions';
 import { State } from '../redux/reducer';
 import { ColorOption } from '../style/theme';
-import { AsyncProcessState, ERC20Asset } from '../types';
+import { ERC20Asset, OrderProcessState } from '../types';
 import { BigNumberInput } from '../util/big_number_input';
 import { errorUtil } from '../util/error';
 
@@ -91,7 +91,7 @@ const mapDispatchToProps = (
         // invalidate the last buy quote.
         dispatch(actions.updateLatestBuyQuote(undefined));
         // reset our buy state
-        dispatch(actions.updateBuyOrderState({ processState: AsyncProcessState.NONE }));
+        dispatch(actions.updateBuyOrderState({ processState: OrderProcessState.NONE }));
 
         if (!_.isUndefined(value) && !_.isUndefined(asset) && !_.isUndefined(assetBuyer)) {
             // even if it's debounced, give them the illusion it's loading
diff --git a/packages/instant/src/redux/reducer.ts b/packages/instant/src/redux/reducer.ts
index 665cba257..d7e5bdfb5 100644
--- a/packages/instant/src/redux/reducer.ts
+++ b/packages/instant/src/redux/reducer.ts
@@ -4,7 +4,15 @@ import { BigNumber } from '@0x/utils';
 import * as _ from 'lodash';
 
 import { assetMetaDataMap } from '../data/asset_meta_data_map';
-import { Asset, AssetMetaData, AsyncProcessState, DisplayStatus, Network, OrderState } from '../types';
+import {
+    Asset,
+    AssetMetaData,
+    AsyncProcessState,
+    DisplayStatus,
+    Network,
+    OrderProcessState,
+    OrderState,
+} from '../types';
 import { assetUtils } from '../util/asset';
 import { BigNumberInput } from '../util/big_number_input';
 
@@ -28,7 +36,7 @@ export const INITIAL_STATE: State = {
     network: Network.Mainnet,
     selectedAssetAmount: undefined,
     assetMetaDataMap,
-    buyOrderState: { processState: AsyncProcessState.NONE },
+    buyOrderState: { processState: OrderProcessState.NONE },
     ethUsdPrice: undefined,
     latestBuyQuote: undefined,
     latestError: undefined,
@@ -107,7 +115,7 @@ export const reducer = (state: State = INITIAL_STATE, action: Action): State =>
                 ...state,
                 latestBuyQuote: undefined,
                 quoteRequestState: AsyncProcessState.NONE,
-                buyOrderState: { processState: AsyncProcessState.NONE },
+                buyOrderState: { processState: OrderProcessState.NONE },
                 selectedAssetAmount: undefined,
             };
         default:
diff --git a/packages/instant/src/types.ts b/packages/instant/src/types.ts
index c5521c63c..c63371fb4 100644
--- a/packages/instant/src/types.ts
+++ b/packages/instant/src/types.ts
@@ -8,18 +8,22 @@ export enum AsyncProcessState {
     FAILURE = 'Failure',
 }
 
-interface RegularOrderState {
-    processState: AsyncProcessState.NONE | AsyncProcessState.PENDING;
+export enum OrderProcessState {
+    NONE = 'None',
+    AWAITING_SIGNATURE = 'Awaiting Signature',
+    PROCESSING = 'Processing',
+    SUCCESS = 'Success',
+    FAILURE = 'Failure',
 }
-interface SuccessfulOrderState {
-    processState: AsyncProcessState.SUCCESS;
-    txnHash: string;
+
+interface OrderStatePreTx {
+    processState: OrderProcessState.NONE | OrderProcessState.AWAITING_SIGNATURE;
 }
-interface FailureOrderState {
-    processState: AsyncProcessState.FAILURE;
-    txnHash?: string;
+interface OrderStatePostTx {
+    processState: OrderProcessState.PROCESSING | OrderProcessState.SUCCESS | OrderProcessState.FAILURE;
+    txHash: string;
 }
-export type OrderState = RegularOrderState | SuccessfulOrderState | FailureOrderState;
+export type OrderState = OrderStatePreTx | OrderStatePostTx;
 
 export enum DisplayStatus {
     Present,
diff --git a/packages/instant/src/util/error.ts b/packages/instant/src/util/error.ts
index 40fd24c7e..64c1f4885 100644
--- a/packages/instant/src/util/error.ts
+++ b/packages/instant/src/util/error.ts
@@ -46,6 +46,10 @@ const humanReadableMessageForError = (error: Error, asset?: Asset): string | und
         return `${assetName} is currently unavailable`;
     }
 
+    if (error.message === AssetBuyerError.SignatureRequestDenied) {
+        return 'You denied this transaction';
+    }
+
     return undefined;
 };
 
diff --git a/packages/instant/src/util/etherscan.ts b/packages/instant/src/util/etherscan.ts
index ffb08a382..cfc2578a3 100644
--- a/packages/instant/src/util/etherscan.ts
+++ b/packages/instant/src/util/etherscan.ts
@@ -14,11 +14,11 @@ const etherscanPrefix = (networkId: number): string | undefined => {
 };
 
 export const etherscanUtil = {
-    getEtherScanTxnAddressIfExists: (txnHash: string, networkId: number) => {
+    getEtherScanTxnAddressIfExists: (txHash: string, networkId: number) => {
         const prefix = etherscanPrefix(networkId);
         if (_.isUndefined(prefix)) {
             return;
         }
-        return `https://${prefix}etherscan.io/tx/${txnHash}`;
+        return `https://${prefix}etherscan.io/tx/${txHash}`;
     },
 };