24 lines
792 B
TypeScript
24 lines
792 B
TypeScript
import { ObjectMap } from '@0x/types';
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import * as _ from 'lodash';
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import { Actor, Constructor } from './base';
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/**
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* Utility function to convert Actors into an object mapping readable names to addresses.
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* Useful for BalanceStore.
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*/
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export function actorAddressesByName(actors: Actor[]): ObjectMap<string> {
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return _.zipObject(actors.map(actor => actor.name), actors.map(actor => actor.address));
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}
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/**
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* Filters the given actors by role, specified by the class exported by an actor mixin file,
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* e.g, 'Maker', 'Taker', etc.
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*/
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export function filterActorsByRole<TClass extends Constructor>(
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actors: Actor[],
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role: TClass,
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): Array<InstanceType<typeof role>> {
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return actors.filter(actor => actor.mixins.includes(role.name)) as Array<InstanceType<typeof role>>;
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}
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