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 (https://github.com/echoprotocol/echo-core) with open port
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
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 upAfter the node is started, you can run the tests:
npm run testThe 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.