@liskhq/lisk-api-client/dist-node/event_methods.js

An API client for the Lisk network

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventMethods = void 0;
const codec_1 = require("./codec");
class EventMethods {
    constructor(channel, moduleMetadata) {
        this._channel = channel;
        this._metadata = moduleMetadata;
    }
    async get(height, query = {}) {
        const decodedEvents = [];
        const events = await this._channel.invoke('chain_getEvents', { height });
        for (const event of events) {
            if ((!query.module && !query.name) ||
                (event.module === query.module && !query.name) ||
                (event.name === query.name && !query.module) ||
                (event.module === query.module && event.name === query.name)) {
                decodedEvents.push((0, codec_1.decodeEventData)(event, this._metadata));
            }
        }
        return decodedEvents;
    }
    subscribe(callback, query = {}) {
        this._channel.subscribe('chain_newBlock', async (event) => {
            const { blockHeader: { height }, } = event;
            const events = await this.get(height, query);
            callback(events);
        });
    }
}
exports.EventMethods = EventMethods;
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