# @harmony-js/network This package provides a collection of apis to create messengers (HTTP, WebSocket) to connect to blockchain networks. ## Installation ``` npm install @harmony-js/network ``` ## Usage ```javascript const { Messenger, HttpProvider, WSProvider } = require('@harmony-js/network'); const { ChainID, ChainType } = require('@harmony-js/utils'); const testnetHTTP = 'https://api.s0.b.hmny.io'; const testnetWS = 'wss://ws.s0.b.hmny.io'; const localHTTP = 'http://localhost:9500/'; const localWS = 'http://localhost:9800/'; const http = new HttpProvider(testnetHTTP); // for local use localHTTP const ws = new WSProvider(testnetWS); // for local use testnetWS const customHTTPMessenger = new Messenger(http, ChainType.Harmony, ChainID.HmyTestnet); // for local ChainID.HmyLocal const customWSMessenger = new Messenger(ws, ChainType.Harmony, ChainID.HmyTestnet); // for local ChainID.HmyLocal ```