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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.

Setup

This library can be obtained through npm:

npm install echojs-lib

Preparation

Launched echo node (https://github.com/echoprotocol/echo-core) with open port

Usage

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

await echo.connect('ws://127.0.0.1:9000');
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://127.0.0.1:9000');
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 methods

Subscriber - Subscriber module

Cache - Information about cache

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

Transactions - Transactions examples

Crypto - Create private/public keys example

Constants - List of constants you can use

Serializers - List of all serializers

Contract - Information about contract

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

License

The MIT License

Copyright (c) 2018 - 2019 Echo Technological Solutions LLC

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.