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-rw-r--r--packages/instant/src/components/zero_ex_instant_provider.tsx3
-rw-r--r--packages/instant/src/containers/selected_erc20_asset_amount_input.ts56
-rw-r--r--packages/instant/src/redux/async_data.ts20
-rw-r--r--packages/instant/src/util/buy_quote_updater.ts56
4 files changed, 82 insertions, 53 deletions
diff --git a/packages/instant/src/components/zero_ex_instant_provider.tsx b/packages/instant/src/components/zero_ex_instant_provider.tsx
index 1fb5cf64f..cd23014a8 100644
--- a/packages/instant/src/components/zero_ex_instant_provider.tsx
+++ b/packages/instant/src/components/zero_ex_instant_provider.tsx
@@ -92,12 +92,11 @@ export class ZeroExInstantProvider extends React.Component<ZeroExInstantProvider
// tslint:disable-next-line:no-floating-promises
asyncData.fetchAvailableAssetDatasAndDispatchToStore(this._store);
}
-
+ asyncData.fetchCurrentBuyQuoteAndDispatchToStore(this._store);
// warm up the gas price estimator cache just in case we can't
// grab the gas price estimate when submitting the transaction
// tslint:disable-next-line:no-floating-promises
gasPriceEstimator.getGasInfoAsync();
-
// tslint:disable-next-line:no-floating-promises
this._flashErrorIfWrongNetwork();
}
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 784eb4bd0..c550aef04 100644
--- a/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
+++ b/packages/instant/src/containers/selected_erc20_asset_amount_input.ts
@@ -1,20 +1,17 @@
-import { AssetBuyer, AssetBuyerError, BuyQuote } from '@0x/asset-buyer';
+import { AssetBuyer } from '@0x/asset-buyer';
import { AssetProxyId } from '@0x/types';
import { BigNumber } from '@0x/utils';
-import { Web3Wrapper } from '@0x/web3-wrapper';
import * as _ from 'lodash';
import * as React from 'react';
import { connect } from 'react-redux';
import { Dispatch } from 'redux';
-import { oc } from 'ts-optchain';
import { ERC20AssetAmountInput } from '../components/erc20_asset_amount_input';
import { Action, actions } from '../redux/actions';
import { State } from '../redux/reducer';
import { ColorOption } from '../style/theme';
import { AffiliateInfo, ERC20Asset, OrderProcessState } from '../types';
-import { assetUtils } from '../util/asset';
-import { errorFlasher } from '../util/error_flasher';
+import { buyQuoteUpdater } from '../util/buy_quote_updater';
export interface SelectedERC20AssetAmountInputProps {
fontColor?: ColorOption;
@@ -70,52 +67,9 @@ const mapStateToProps = (state: State, _ownProps: SelectedERC20AssetAmountInputP
};
};
-const updateBuyQuoteAsync = async (
- assetBuyer: AssetBuyer,
- dispatch: Dispatch<Action>,
- asset: ERC20Asset,
- assetAmount: BigNumber,
- affiliateInfo?: AffiliateInfo,
-): Promise<void> => {
- // get a new buy quote.
- const baseUnitValue = Web3Wrapper.toBaseUnitAmount(assetAmount, asset.metaData.decimals);
-
- // mark quote as pending
- dispatch(actions.setQuoteRequestStatePending());
-
- const feePercentage = oc(affiliateInfo).feePercentage();
- let newBuyQuote: BuyQuote | undefined;
- try {
- newBuyQuote = await assetBuyer.getBuyQuoteAsync(asset.assetData, baseUnitValue, { feePercentage });
- } catch (error) {
- dispatch(actions.setQuoteRequestStateFailure());
- let errorMessage;
- if (error.message === AssetBuyerError.InsufficientAssetLiquidity) {
- const assetName = assetUtils.bestNameForAsset(asset, 'of this asset');
- errorMessage = `Not enough ${assetName} available`;
- } else if (error.message === AssetBuyerError.InsufficientZrxLiquidity) {
- errorMessage = 'Not enough ZRX available';
- } else if (
- error.message === AssetBuyerError.StandardRelayerApiError ||
- error.message.startsWith(AssetBuyerError.AssetUnavailable)
- ) {
- const assetName = assetUtils.bestNameForAsset(asset, 'This asset');
- errorMessage = `${assetName} is currently unavailable`;
- }
- if (!_.isUndefined(errorMessage)) {
- errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
- } else {
- throw error;
- }
- return;
- }
- // We have a successful new buy quote
- errorFlasher.clearError(dispatch);
- // invalidate the last buy quote.
- dispatch(actions.updateLatestBuyQuote(newBuyQuote));
-};
-
-const debouncedUpdateBuyQuoteAsync = _.debounce(updateBuyQuoteAsync, 200, { trailing: true });
+const debouncedUpdateBuyQuoteAsync = _.debounce(buyQuoteUpdater.updateBuyQuoteAsync.bind(buyQuoteUpdater), 200, {
+ trailing: true,
+});
const mapDispatchToProps = (
dispatch: Dispatch<Action>,
diff --git a/packages/instant/src/redux/async_data.ts b/packages/instant/src/redux/async_data.ts
index c3d190af2..839a90778 100644
--- a/packages/instant/src/redux/async_data.ts
+++ b/packages/instant/src/redux/async_data.ts
@@ -1,7 +1,10 @@
+import { AssetProxyId } from '@0x/types';
import * as _ from 'lodash';
import { BIG_NUMBER_ZERO } from '../constants';
+import { ERC20Asset } from '../types';
import { assetUtils } from '../util/asset';
+import { buyQuoteUpdater } from '../util/buy_quote_updater';
import { coinbaseApi } from '../util/coinbase_api';
import { errorFlasher } from '../util/error_flasher';
@@ -33,4 +36,21 @@ export const asyncData = {
store.dispatch(actions.setAvailableAssets([]));
}
},
+ fetchCurrentBuyQuoteAndDispatchToStore: async (store: Store) => {
+ const { providerState, selectedAsset, selectedAssetAmount, affiliateInfo } = store.getState();
+ const assetBuyer = providerState.assetBuyer;
+ if (
+ !_.isUndefined(selectedAssetAmount) &&
+ !_.isUndefined(selectedAsset) &&
+ selectedAsset.metaData.assetProxyId === AssetProxyId.ERC20
+ ) {
+ await buyQuoteUpdater.updateBuyQuoteAsync(
+ assetBuyer,
+ store.dispatch,
+ selectedAsset as ERC20Asset,
+ selectedAssetAmount,
+ affiliateInfo,
+ );
+ }
+ },
};
diff --git a/packages/instant/src/util/buy_quote_updater.ts b/packages/instant/src/util/buy_quote_updater.ts
new file mode 100644
index 000000000..e697d3ef7
--- /dev/null
+++ b/packages/instant/src/util/buy_quote_updater.ts
@@ -0,0 +1,56 @@
+import { AssetBuyer, AssetBuyerError, BuyQuote } from '@0x/asset-buyer';
+import { BigNumber } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import * as _ from 'lodash';
+import { Dispatch } from 'redux';
+import { oc } from 'ts-optchain';
+
+import { Action, actions } from '../redux/actions';
+import { AffiliateInfo, ERC20Asset } from '../types';
+import { assetUtils } from '../util/asset';
+import { errorFlasher } from '../util/error_flasher';
+
+export const buyQuoteUpdater = {
+ updateBuyQuoteAsync: async (
+ assetBuyer: AssetBuyer,
+ dispatch: Dispatch<Action>,
+ asset: ERC20Asset,
+ assetAmount: BigNumber,
+ affiliateInfo?: AffiliateInfo,
+ ): Promise<void> => {
+ // get a new buy quote.
+ const baseUnitValue = Web3Wrapper.toBaseUnitAmount(assetAmount, asset.metaData.decimals);
+ // mark quote as pending
+ dispatch(actions.setQuoteRequestStatePending());
+ const feePercentage = oc(affiliateInfo).feePercentage();
+ let newBuyQuote: BuyQuote | undefined;
+ try {
+ newBuyQuote = await assetBuyer.getBuyQuoteAsync(asset.assetData, baseUnitValue, { feePercentage });
+ } catch (error) {
+ dispatch(actions.setQuoteRequestStateFailure());
+ let errorMessage;
+ if (error.message === AssetBuyerError.InsufficientAssetLiquidity) {
+ const assetName = assetUtils.bestNameForAsset(asset, 'of this asset');
+ errorMessage = `Not enough ${assetName} available`;
+ } else if (error.message === AssetBuyerError.InsufficientZrxLiquidity) {
+ errorMessage = 'Not enough ZRX available';
+ } else if (
+ error.message === AssetBuyerError.StandardRelayerApiError ||
+ error.message.startsWith(AssetBuyerError.AssetUnavailable)
+ ) {
+ const assetName = assetUtils.bestNameForAsset(asset, 'This asset');
+ errorMessage = `${assetName} is currently unavailable`;
+ }
+ if (!_.isUndefined(errorMessage)) {
+ errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
+ } else {
+ throw error;
+ }
+ return;
+ }
+ // We have a successful new buy quote
+ errorFlasher.clearError(dispatch);
+ // invalidate the last buy quote.
+ dispatch(actions.updateLatestBuyQuote(newBuyQuote));
+ },
+};