JOYSO API client library for trading.
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README.md

JOYSO

JOYSO API client library for trading.

Notice

v0.3.0 has breaking changes. Please see CHANGELOG v0.3.0

Installation

You can use this command to install:

npm install joyso

Usage

Setup and connect to JOYSO

const Joyso = require('joyso');

async function start() {
  const joyso = new Joyso({
    // your private key
    key: '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef'
  });

  await joyso.connect();
}

subscribeOrderBook(pair, callback)

Subscribe order book, notify if change.

const subscription = joyso.subscribeOrderBook('JOY_ETH', orderBook => {
  console.log(JSON.stringify(orderBook));
});

Result:

{
  "buy":[
    {
      "price":0.000123456,
      "amount":"8.5"
    },
    {
      "price":0.000123455,
      "amount":"98.5"
    }
  ],
  "sell":[
    {
      "price":0.00012346,
      "amount":"100"
    },
    {
      "price":0.00012347,
      "amount":"500"
    }
  ]
}
  • amount is BigNumber object.

subscribeTrades(pair, callback)

Subscribe market trades, notify if change, return last 100 records.

const subscription = joyso.subscribeTrades('JOY_ETH', trades => {
  console.log(JSON.stringify(trades.slice(0, 2)));
});

Result

[
  {
    "id":317,
    "side":"sell",
    "price":0.000123456,
    "amount":"2",
    "pair":"JOY_ETH"
  },
  {
    "id":315,
    "side":"buy",
    "price":0.00012347,
    "amount":"1",
    "pair":"JOY_ETH"
  }
]
  • amount is BigNumber object.

subscribeBalances(callback)

Subscribe balances, notify if change.

const subscription = joyso.subscribeBalances(balances => {
  console.log(JSON.stringify(balances));
});

Result

{
  "JOY":{
    "inOrder":"0",
    "available":"4.5"
  },
  "ETH":{
    "inOrder":"0.001447757819",
    "available":"0.097815997145"
  }
}
  • inOrder and available are BigNumber objects.

subscribeOrders(callback)

Subscribe open orders, notify if change.

const subscription = joyso.subscribeOrders(orders => {
  console.log(JSON.stringify(orders));
});

Result

[
  {
    "id":353,
    "status":"active",
    "side":"buy",
    "price":0.000123481,
    "amount":"1",
    "fill":"0",
    "pair":"T00_ETH"
  },
  {
    "id":326,
    "status":"partial",
    "side":"buy",
    "price":0.000123456,
    "amount":"12",
    "fill":"3.5",
    "pair":"JOY_ETH"
  }
]
  • amount and fill are BigNumber objects.
  • status could be active or partial

subscribeMyTrades(callback)

Subscribe my trades, notify if change, return last 100 records.

const subscription = joyso.subscribeMyTrades(trades => {
  console.log(JSON.stringify(trades.slice(0, 2)));
});

Result

[
  {
    "id":317,
    "status":"done",
    "txHash":"0xcf0aeb815200951559a38650a84f8eefa46411224e5e4076d6313ab47c7f9bb5",
    "side":"sell",
    "price":0.000123456,
    "amount":"2",
    "pair":"JOY_ETH",
    "fee":"ETH",
    "gasFee":"0",
    "txFee":"2.46912e-7"
  },
  {
    "id":316,
    "status":"done",
    "txHash":"0x582cc7a84e8aa7e28e44b11e22f24169a34776915ebbc95a88fa0e77c44faf4c",
    "side":"sell",
    "price":0.00012347,
    "amount":"1",
    "pair":"JOY_ETH",
    "fee":"ETH",
    "gasFee":"0.000105",
    "txFee":"2.4694e-7"
  }
]
  • amount, gasFee and txFee are BigNumber objects.

subscribeFunds(callback)

Subscribe funds, notify if change, return last 100 records.

const subscription = joyso.subscribeFunds(funds => {
  console.log(JSON.stringify(funds));
});

Result

[
  {
    "id":192,
    "status":"done",
    "txHash":"0x4dbc49ae4735b1c230244d41377cf6aeccd70c5181df048e3be8306af8a487e6",
    "type":"withdraw",
    "amount":"0.0099",
    "token":"ETH",
    "fee":"ETH",
    "withdrawFee":"0.0001",
    "timestamp":1537434044,
    "blockId":null
  },
  {
    "id":191,
    "status":"done",
    "txHash":"0x8435bf9f69dd908373d50353ebab343b625527cd8ea44532eb01c8b0a5642879",
    "type":"withdraw",
    "amount":"0.001",
    "token":"ETH",
    "fee":"JOY",
    "withdrawFee":"0.809841",
    "timestamp":1537433888,
    "blockId":null
  }
]
  • amount and withdrawFee are BigNumber objects.
  • status could be pending, processing, done or failed
  • type could be deposit, withdraw or transfer

buy({ pair, price, amount, feeByJoy })

Place buying order

try {
  let order = await joyso.buy({
    pair: 'JOY_ETH',
    price: '0.000123481',
    amount: 1,
    feeByJoy: true
  });
  console.log(JSON.stringify(order));
} catch (e) {
  if (e.statusCode === 400) {
    console.log(e.error.error);
  } else {
    console.log(e.message);
  }
}

Options

Name Required Description
pair O Pair to trade, format is ${base}_${quote}, eg: JOY_ETH
price O Order price, minimum is 0.000000001
amount O Quote amount
feeByJoy Specify how to pay fee. true will pay by JOY. false will pay by quote token(ETH if pair XXX_ETH). Default is false

Result

{
  "id":361,
  "status":"complete",
  "side":"buy",
  "price":0.000123481,
  "amount":"1",
  "fill":"1",
  "pair":"JOY_ETH"
}
  • amount and fill are BigNumber objects.
  • status could be active, partial or complete

sell({ pair, price, amount, feeByJoy })

Place selling order

let order = await joyso.sell({
  pair: 'JOY_ETH',
  price: '0.000123481',
  amount: 100
});

Options and result are same with buy.

trade({ pair, price, amount, feeByJoy, side })

Place order

let order = await joyso.trade({
  side: 'buy',
  pair: 'JOY_ETH',
  price: '0.000123481',
  amount: 100
});

Options and result are same with buy. One extra options

Name Required Description
side O buy or sell

withdraw({ token, amount, fee })

Withdraw

await joyso.withdraw({
  token: 'ETH',
  amount: 0.01,
  fee: 'eth'
});

Options

Name Required Description
token O Token to withdraw
amount O Amount to withdraw
fee O Specify how to pay fee. eth, joy or token. token can only be used when token is quote token.

getMyTrades({ from, to, quote, base, side, before, limit })

Get my trades

await joyso.getMyTrades({
  quote: 'ETH',
  base: 'JOY',
  side: 'sell',
  from: 1539129600,
  to: 1539216000,
  before: 123,
  limit: 10
});

Options

Name Required Description
quote Quote token
base Base token
side Specify side. buy, sell or blank. Blank means both.
from From time (included). Unix timestamp
to To time (excluded). Unix timestamp
before Only return Trade ID before this. (excluded)
limit Specify size of records to return. Default 100, max 1000

Results are same with subscribeMyTrades.

disconnect()

Disconnect from JOYSO.

subscription.unsubscribe()

Unsubscribe

subscription.unsubscribe();

License

The project is released under the MIT license.

Contact

The project's website is located at https://github.com/Joyso-io/joyso-api