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Official repository of the DCore SDK for JavaScript in the browser and Node.js
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DCore SDK for JS

Set of APIs for accessing the DCore Blockchain.


npm install --save git+ssh://


Make sure you import reflect-metadata in an entry class to your application, eg. import "reflect-metadata";

To enable debug logging you can use rxjs-spy.


Use DCoreSdk to initialize the API. The DCoreApi provides different groups of APIs for accessing the blockchain and default configuration values.

The supported operations are located in ch.decent.sdk.model.operation package, suffixed with Operation eg. TransferOperation(...). Use the BroadcastApi to apply the operations to DCore or use appropriate methods in APIs.

Access api using rest

import "reflect-metadata";
import { DCoreSdk } from "../src/DCoreSdk";

// create the API
const api = DCoreSdk.createForHttp({ baseUrl: ""})
// get account by name, resolves to account id '1.2.27'
const disposable = api.accountApi.get("public-account-9")
    .subscribe((account) => console.log(;

Access api using websocket

import "reflect-metadata";
import * as WebSocket from "isomorphic-ws";
import { Credentials } from "../src/crypto/Credentials";
import { DCoreSdk } from "../src/DCoreSdk";
import { AssetAmount } from "../src/models/AssetAmount";
import { ChainObject } from "../src/models/ChainObject";
import { create } from "rxjs-spy";

// init rxjs-spy and log all tags
const spy = create();

// create api for websocket
const api = DCoreSdk.createForWebSocket(() => new WebSocket("wss://"));
// create account credentials
const credentials = new Credentials(ChainObject.parse("1.2.27"), "5Hxwqx6JJUBYWjQNt8DomTNJ6r6YK8wDJym4CMAH1zGctFyQtzt");
// send 1DCT to account id '1.2.28 (public-account-10)' with encrypted 'hello memo' memo
const disposable = api.accountApi.transfer(credentials, "public-account-10", new AssetAmount(100000000), "hello memo")
    .subscribe((confirmation) => console.log(;


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