deribit-v2-ws

Deribit V2 API WS RPC wrapper with added multiple subscription support, forked from deribit-v2-ws which was originally published by github.com/askmike.

Docs are here.

This module is designed to be used with nodejs, it doesn't support browser usage.

Features

• Connect to WS api
• Authenticate
• Reconnect on disconnect
• Resubscribe subscriptions on disconnect

Example usage

See more examples in example.js.

const Deribit = require('deribit-v2-ws');

const key = 'x';
const secret = 'y';

const db = new Deribit({key, secret})
await db.connect();
const position = await db.request(
  'private/get_position',
  {instrument_name: 'BTC-PERPETUAL'}
);

console.log(position);

result:

{
  requestedAt: 1552992953360, // added by this lib
  usIn: 1552992953479560,
  usOut: 1552992953482218,
  receivedAt: 1552992953601, // added by this lib
  jsonrpc: '2.0',
  id: 404,
  result:
   { total_profit_loss: 0,
     size_currency: 0,
     size: 0,
     settlement_price: 3959.67,
     realized_profit_loss: 0,
     open_orders_margin: 0,
     mark_price: 3971.85,
     maintenance_margin: 0,
     kind: 'future',
     instrument_name: 'BTC-PERPETUAL',
     initial_margin: 0,
     index_price: 3972.04,
     floating_profit_loss: 0,
     estimated_liquidation_price: 0,
     direction: 'zero',
     delta: 0,
     average_price: 0 },
  usDiff: 2658,
  testnet: false
}

Custom multiple subscription support was added with this fork which will now allow passing an array of subscription strings:

await db.subscribeMultiple(
  'public',
  ['book.BTC-PERPETUAL.none.10.100ms', 'trades.BTC-PERPETUAL.raw']
);