From 35b505114842b8c8eac838fff8588adf17f54b45 Mon Sep 17 00:00:00 2001 From: Steve Klebanoff Date: Wed, 21 Nov 2018 09:23:19 -0800 Subject: Always report unexpected errors. Move error message generation into helper function, and add tests --- packages/instant/src/util/asset.ts | 17 +++++++++++++ packages/instant/src/util/buy_quote_updater.ts | 29 +++++++--------------- packages/instant/test/util/asset.test.ts | 33 ++++++++++++++++++++++++-- 3 files changed, 56 insertions(+), 23 deletions(-) (limited to 'packages') diff --git a/packages/instant/src/util/asset.ts b/packages/instant/src/util/asset.ts index 40560d3eb..08f3642e3 100644 --- a/packages/instant/src/util/asset.ts +++ b/packages/instant/src/util/asset.ts @@ -1,3 +1,4 @@ +import { AssetBuyerError } from '@0x/asset-buyer'; import { AssetProxyId, ObjectMap } from '@0x/types'; import * as _ from 'lodash'; @@ -106,4 +107,20 @@ export const assetUtils = { ); return _.compact(erc20sOrUndefined); }, + assetBuyerErrorMessage: (asset: ERC20Asset, error: Error): string | undefined => { + if (error.message === AssetBuyerError.InsufficientAssetLiquidity) { + const assetName = assetUtils.bestNameForAsset(asset, 'of this asset'); + return `Not enough ${assetName} available`; + } else if (error.message === AssetBuyerError.InsufficientZrxLiquidity) { + return 'Not enough ZRX available'; + } else if ( + error.message === AssetBuyerError.StandardRelayerApiError || + error.message.startsWith(AssetBuyerError.AssetUnavailable) + ) { + const assetName = assetUtils.bestNameForAsset(asset, 'This asset'); + return `${assetName} is currently unavailable`; + } + + return undefined; + }, }; diff --git a/packages/instant/src/util/buy_quote_updater.ts b/packages/instant/src/util/buy_quote_updater.ts index 6cb5e41b6..4f97622e1 100644 --- a/packages/instant/src/util/buy_quote_updater.ts +++ b/packages/instant/src/util/buy_quote_updater.ts @@ -30,30 +30,17 @@ export const buyQuoteUpdater = { try { newBuyQuote = await assetBuyer.getBuyQuoteAsync(asset.assetData, baseUnitValue, { feePercentage }); } catch (error) { - if (options.dispatchErrors) { - 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; - } - } else { + const errorMessage = assetUtils.assetBuyerErrorMessage(asset, error); + + if (_.isUndefined(errorMessage)) { + // This is an unknown error, report it to rollbar errorReporter.report(error); } + if (options.dispatchErrors) { + dispatch(actions.setQuoteRequestStateFailure()); + errorFlasher.flashNewErrorMessage(dispatch, errorMessage || 'Error fetching price, please try again'); + } return; } // We have a successful new buy quote diff --git a/packages/instant/test/util/asset.test.ts b/packages/instant/test/util/asset.test.ts index 4229b24ed..fc4e4e2e4 100644 --- a/packages/instant/test/util/asset.test.ts +++ b/packages/instant/test/util/asset.test.ts @@ -1,6 +1,7 @@ +import { AssetBuyerError } from '@0x/asset-buyer'; import { AssetProxyId, ObjectMap } from '@0x/types'; -import { Asset, AssetMetaData, ERC20AssetMetaData, Network, ZeroExInstantError } from '../../src/types'; +import { Asset, AssetMetaData, ERC20Asset, ERC20AssetMetaData, Network, ZeroExInstantError } from '../../src/types'; import { assetUtils } from '../../src/util/asset'; const ZRX_ASSET_DATA = '0xf47261b0000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f498'; @@ -11,7 +12,7 @@ const ZRX_META_DATA: ERC20AssetMetaData = { decimals: 18, name: '0x', }; -const ZRX_ASSET: Asset = { +const ZRX_ASSET: ERC20Asset = { assetData: ZRX_ASSET_DATA, metaData: ZRX_META_DATA, }; @@ -45,4 +46,32 @@ describe('assetDataUtil', () => { ).toThrowError(ZeroExInstantError.AssetMetaDataNotAvailable); }); }); + describe('assetBuyerErrorMessage', () => { + it('should return message for InsufficientAssetLiquidity', () => { + const insufficientAssetError = new Error(AssetBuyerError.InsufficientAssetLiquidity); + expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, insufficientAssetError)).toEqual( + 'Not enough ZRX available', + ); + }); + it('should return message for InsufficientAssetLiquidity', () => { + const insufficientZrxError = new Error(AssetBuyerError.InsufficientZrxLiquidity); + expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, insufficientZrxError)).toEqual( + 'Not enough ZRX available', + ); + }); + it('should message for StandardRelayerApiError', () => { + const standardRelayerError = new Error(AssetBuyerError.StandardRelayerApiError); + expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, standardRelayerError)).toEqual( + 'ZRX is currently unavailable', + ); + }); + it('should return error for AssetUnavailable error', () => { + const assetUnavailableError = new Error( + `${AssetBuyerError.AssetUnavailable}: For assetData ${ZRX_ASSET_DATA}`, + ); + expect(assetUtils.assetBuyerErrorMessage(ZRX_ASSET, assetUnavailableError)).toEqual( + 'ZRX is currently unavailable', + ); + }); + }); }); -- cgit v1.2.3