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authorSteve Klebanoff <steve.klebanoff@gmail.com>2018-10-26 04:18:17 +0800
committerSteve Klebanoff <steve.klebanoff@gmail.com>2018-10-26 04:18:17 +0800
commitacefeff5f08f123c7c5d372088f2af016e31c599 (patch)
treea6c30ee817baac36df47a84402e671fcf7595a19 /packages/instant/src/components
parent45d828e154b5400710582d1f5414f7446e8d3688 (diff)
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new try/catch pattern and new prop names per code review feedback
Diffstat (limited to 'packages/instant/src/components')
-rw-r--r--packages/instant/src/components/buy_button.tsx33
1 files changed, 24 insertions, 9 deletions
diff --git a/packages/instant/src/components/buy_button.tsx b/packages/instant/src/components/buy_button.tsx
index f70f2f5be..7004b6a18 100644
--- a/packages/instant/src/components/buy_button.tsx
+++ b/packages/instant/src/components/buy_button.tsx
@@ -12,10 +12,10 @@ export interface BuyButtonProps {
buyQuote?: BuyQuote;
assetBuyer?: AssetBuyer;
onAwaitingSignature: (buyQuote: BuyQuote) => void;
- onProcessingTransaction: (buyQuote: BuyQuote, txnHash: string) => void;
+ onSignatureDenied: (buyQuote: BuyQuote, preventedError: Error) => void;
+ onBuyProcessing: (buyQuote: BuyQuote, txnHash: string) => void;
onBuySuccess: (buyQuote: BuyQuote, txnHash: string) => void;
- onBuyFailure: (buyQuote: BuyQuote, tnxHash?: string) => void;
- onBuyPrevented: (buyQuote: BuyQuote, preventedError: Error) => void;
+ onBuyFailure: (buyQuote: BuyQuote, txnHash?: string) => void; // TODO: make this non-optional
}
export class BuyButton extends React.Component<BuyButtonProps> {
@@ -40,19 +40,34 @@ export class BuyButton extends React.Component<BuyButtonProps> {
if (_.isUndefined(buyQuote) || _.isUndefined(assetBuyer)) {
return;
}
+
+ let txnHash: string | undefined;
this.props.onAwaitingSignature(buyQuote);
- let txnHash;
try {
txnHash = await assetBuyer.executeBuyQuoteAsync(buyQuote);
- this.props.onProcessingTransaction(buyQuote, txnHash);
- await web3Wrapper.awaitTransactionSuccessAsync(txnHash);
- this.props.onBuySuccess(buyQuote, txnHash);
} catch (e) {
if (e instanceof Error && e.message === AssetBuyerError.SignatureRequestDenied) {
- this.props.onBuyPrevented(buyQuote, e);
+ this.props.onSignatureDenied(buyQuote, e);
+ } else {
+ throw e;
+ }
+ }
+
+ // Have to let TS know that txHash is definitely defined now
+ if (!txnHash) {
+ throw new Error('No txHash available');
+ }
+
+ this.props.onBuyProcessing(buyQuote, txnHash);
+ try {
+ await web3Wrapper.awaitTransactionSuccessAsync(txnHash);
+ } catch (e) {
+ if (e instanceof Error && e.message.startsWith('Transaction failed')) {
+ this.props.onBuyFailure(buyQuote, txnHash);
return;
}
- this.props.onBuyFailure(buyQuote, txnHash);
+ throw e;
}
+ this.props.onBuySuccess(buyQuote, txnHash);
};
}