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A javascript Echo library for node.js and browsers πŸ”Š
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Echojs-lib (echojs-lib)

Build Status David npm npm

Pure JavaScript ECHO library for node.js and browsers. Can be used to construct, sign and broadcast transactions in JavaScript, and to easily obtain data from the blockchain via public apis.


This library can be obtained through npm:

npm install echojs-lib


Launched echo node ( with open port


const { default: echo } = require('echojs-lib');

await echo.connect('ws://');
const account = await echo.api.getObject('1.2.0');

You also can use it with import

import echo from 'echojs-lib';

await echo.connect('ws://');
const account = await echo.api.getObject('1.2.0');

To more examples and options look at section below

Connection - More connections options

API - List with all api methodes

Subscriber - Subscriber module

Cache - Information about cache

Redux - Information about integrating lib cache to redux with auto update

Transactions - Transactions exampels

Crypto - Create private/public keys example

Constants - List of constants you can use

Run Tests

Tests use a locally running Echo node. Therefore, before starting the tests, you need to start Echo with predefined configuration parameters.

The easiest way is to use docker-compose:

cd .test
docker-compose up

After the node is started, you can run the tests:

npm run test
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