node-api-js

Node JS wrapper for DMEX API

Installing

yarn add dmex-api-js

Documentation

• DmexClient
  • HTTP endpoints
    • Create order
    • Cancel order
    • Get ticker
    • Get orderbook
    • Get open positions
  • Websocket events
    • onTrade
    • onOrderbookUpdate

Basic example

const {DmexClient} = require('dmex-api-js');

const dmexClient = new DmexClient({
	apiParams: {
		// Demo API (by default prod. API is used)
		baseURL: 'https://api.demo.dmex.app'
	},
	walletPrivateKey: 'YOUR_PRIVATE_KEY',
	contractAddress: 'DMEX_TRADING_SMART_CONTARCT_ADDRESS'
});

// Create a new order
dmexClient.createOrder({
	asset_symbol: 'ETH',
	leverage: 3, // x3
	amount: '100000000', // 100000000 / 1e8 = 1
	price: '300000000000', // 300000000000 / 1e8 = 3000
	side: true // true = long, false = short
	// margin_currency: 'ETH', // optional, default ETH
	// expires_seconds: -1, // optional (-1 means perpetual)
}).then(orderHash => {
	console.info('created order hash:', orderHash);
});

// Cancel an active order
dmexClient.cancelOrder('0x1cf490b0af8810bd0f377a4b47f050816213b3058eb500e232f7b7fa2cc61c81')
	.then(() => console.info('order canceled'));