diff options
Diffstat (limited to 'packages/0x.js/src/utils/filter_utils.ts')
-rw-r--r-- | packages/0x.js/src/utils/filter_utils.ts | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/packages/0x.js/src/utils/filter_utils.ts b/packages/0x.js/src/utils/filter_utils.ts index 57c3ee71c..97205ace3 100644 --- a/packages/0x.js/src/utils/filter_utils.ts +++ b/packages/0x.js/src/utils/filter_utils.ts @@ -4,7 +4,7 @@ import * as _ from 'lodash'; import * as uuid from 'uuid/v4'; import * as Web3 from 'web3'; -import {ContractEvents, IndexedFilterValues, SubscriptionOpts} from '../types'; +import { BlockRange, ContractEvents, IndexedFilterValues } from '../types'; const TOPIC_LENGTH = 32; @@ -12,10 +12,14 @@ export const filterUtils = { generateUUID(): string { return uuid(); }, - getFilter(address: string, eventName: ContractEvents, - indexFilterValues: IndexedFilterValues, abi: Web3.ContractAbi, - subscriptionOpts?: SubscriptionOpts): Web3.FilterObject { - const eventAbi = _.find(abi, {name: eventName}) as Web3.EventAbi; + getFilter( + address: string, + eventName: ContractEvents, + indexFilterValues: IndexedFilterValues, + abi: Web3.ContractAbi, + blockRange?: BlockRange, + ): Web3.FilterObject { + const eventAbi = _.find(abi, { name: eventName }) as Web3.EventAbi; const eventSignature = filterUtils.getEventSignatureFromAbiByName(eventAbi, eventName); const topicForEventSignature = ethUtil.addHexPrefix(jsSHA3.keccak256(eventSignature)); const topicsForIndexedArgs = filterUtils.getTopicsForIndexedArgs(eventAbi, indexFilterValues); @@ -24,9 +28,9 @@ export const filterUtils = { address, topics, }; - if (!_.isUndefined(subscriptionOpts)) { + if (!_.isUndefined(blockRange)) { filter = { - ...subscriptionOpts, + ...blockRange, ...filter, }; } @@ -37,8 +41,8 @@ export const filterUtils = { const signature = `${eventAbi.name}(${types.join(',')})`; return signature; }, - getTopicsForIndexedArgs(abi: Web3.EventAbi, indexFilterValues: IndexedFilterValues): Array<string|null> { - const topics: Array<string|null> = []; + getTopicsForIndexedArgs(abi: Web3.EventAbi, indexFilterValues: IndexedFilterValues): Array<string | null> { + const topics: Array<string | null> = []; for (const eventInput of abi.inputs) { if (!eventInput.indexed) { continue; @@ -65,12 +69,12 @@ export const filterUtils = { } return true; }, - matchesTopics(logTopics: string[], filterTopics: Array<string[]|string|null>): boolean { + matchesTopics(logTopics: string[], filterTopics: Array<string[] | string | null>): boolean { const matchesTopic = _.zipWith(logTopics, filterTopics, filterUtils.matchesTopic.bind(filterUtils)); const matchesTopics = _.every(matchesTopic); return matchesTopics; }, - matchesTopic(logTopic: string, filterTopic: string[]|string|null): boolean { + matchesTopic(logTopic: string, filterTopic: string[] | string | null): boolean { if (_.isArray(filterTopic)) { return _.includes(filterTopic, logTopic); } |