Newdex Python API

Python 3 client for Newdex V1 REST API.

Overview

Newdex api_key needs to be binded with EOS account. Apply for Newdex Market API_KEY

REST Market and Trade API

get_pairs()

Get the list of all exchange pairs.

Name	Data type	Description
id	int	Exchange pair id
symbol	string	Exchange pair name, such as: eosblackteam-black-eos
contract	string	Contract name, such as: eosblackteam
currency	string	Currency name, such as: BLACK
price_precision	int	The price precision on Newdex
currency_precision	int	The currency precision

get_ticker()

Get the market of a particular exchange pair.

Name	Data type	Description
symbol	string	Exchange pair name
last	double	Latest price
change	double	Price change (price change from 08:00 (GMT) to present time)
high	double	Highest price in 24 hours
low	double	Lowest price in 24 hours
amount	double	24-hour trading volume
volume	double	24-hour trading amount (converted to accounted currency, such as EOS, USDT

get_tickers

Get the market of all exchange pairs.

Name	Data type	Description
symbol	string	Exchange pair name
last	double	Latest price
change	double	Price change (price change from 08:00 (GMT) to present time)
high	double	Highest price in 24 hours
low	double	Lowest price in 24 hours
amount	double	24-hour trading volume
volume	double	24-hour trading amount (converted to accounted currency, such as EOS, USDT

get_price()

Get the price of an exchange pair.

Name	Data type	Description
symbol	string	Exchange pair name
price	double	Latest price

GET get_depth()

Get order book (quoted depth)

Name	Data type	Description
asks	array	Ask orders depth
bids	array	Bid orders depth

Data example:

/* GET /v1/depth?symbol=eosblackteam-black-eos */
{
  "code":200,
  "data":{
      "bids":[
       [0.035,1299.1857],
       [0.03493,11400],
       [0.0344,1612.4186],
       [0.0335,24299.6626],
       [0.0315,95103.6126],
       [0.03046,6744.3959],
       [0.03002,316.439],
       [0.03,3333.3333],
       [0.02961,31.9587],
       [0.02926,17.7101]
     ],
     "asks":[
       [0.068,549.1971],
       [0.067,18106.8275],
       [0.06666,3000],
       [0.066,15373.3999],
       [0.06539,20.6],
       [0.065,9347.6336],
       [0.064,6767.0784],
       [0.06398,676.949],
       [0.063,6265.8133],
       [0.062,92.3191]
     ]
   }
 }

get_trades()

Get deals record of exchange pair

Name	Data type	Description
id	array	Trade ID
price	double	Dealt price
amount	double	Dealt volume
volume	double	Dealt amount (converted to accounted currency, such as EOS, USDT)
time	int	10-digit timestamp

get_candles()

Get K-Line data of exchange pair

Request:

Name	Data type	Description
symbol	string	Exchange pair name
time_frame	string	(optional) time interval, defaulted 1 hour, options: 1 min, 5 mins, 30 mins, 1 hour, 4 hours, 6 hours, 1 day, 1 week, 1 month, 1 year.
size	int	(optional) quantity, defaulted 100, 2000 maximum

Response Object[]

Name	Data type	Description
0	int	K-Line ID
1	double	Opening price
2	double	Closing price
3	double	Highest price in 24 hours
4	double	Lowest price in 24 hours
5	double	Trading volume
6	double	Trading amount (converted to accounted currency, such as EOS, USDT)

Data example:

/* GET /v1/candles?symbol=eosblackteam-black-eos&time_frame=1hour&size=10 */
{
  "code":200,
  "data":[
    [1544140800,0.04075,0.046,0.046,0.04075,100882.9715,4518.451],
    [1544144400,0.046,0.043,0.046,0.04271,8857.6799,381.6711],
    [1544148000,0.043,0.04441,0.046,0.043,63614.3411,2811.6175],
    [1544151600,0.04441,0.04444,0.046,0.04354,5183.5131,234.7778],
    [1544155200,0.04444,0.04257,0.04444,0.04255,12290.0635,528.4927],
    [1544158800,0.04257,0.04599,0.04599,0.04257,1160.6585,53.2085],
    [1544162400,0.04599,0.04531,0.0469,0.04416,129433.0583,5809.5475],
    [1544166000,0.04531,0.0445,0.0469,0.0445,14117.186,631.1711],
    [1544169600,0.0445,0.0456,0.04684,0.0445,469.2888,21.2106],
    [1544173200,0.0456,0.04777,0.04777,0.0456,4895.7245,231.3036]
  ]
}

open_orders()

filled_orders()

canceled_orders()

order_history()

Response Object[]

Name	Data type	Description
id	int	Order ID
pair_id	int	Exchange pair id
trx_id	string	Trx ID on chain
side	string	Trade direction: sell, buy
type	string	Trade type: sell-limit, sell-market, buy-limit, buy-market
price	double	Order price
amount	double	Order amount
deal_price	double	Dealt price (average)
deal_amount	double	Dealt amount
deal_volume	double	Dealt volume
state	double	Status: new, partially-filled, filled, canceled, partial-canceled
created_at	int	Create time, 10-digit timestamp
updated_at	int	Update time, 10-digit timestamp

cancel_order()

Cancel order based on trx_id.

Request:

Name	Data type	Description
trx_id	string	Trx ID on chain

Response: String, If succeeded, response "Order successfully canceled"

Note: this interface only supports old orders (account: newdexpocket), and the orders which created by contract (account: newdexpublic) can only be cancelled by contract action.

)

Error Codes

Code = 200, it means request succeeded, other situations mean error. See error code reference form below:

Error Code	Explanation
-1001	The request is beyond limit, if you don’t have API_KEY, please apply for API_KEY as soon as possible.
-1002	Invalid API_KEY
-1003	Invalid signature , pleas refer to signature verification
-1004	Request timestamp has expired
-1005	No permission, request trade and order API need to verify API_KEY
-1101	Invalid account
-1102	Invalid email
-1103	Invalid symbol
-1104	Invalid trx_id
-1105	Order has been canceled
-1106	Order is dealt, cannot be cancel
-1500	Unknown error

TODO

• More candle options

Disclosure

• The author is in no way affiliated with Newdex Exchange or any of its employees and representatives.