## coinone{docsify-ignore}
**Kind**: global class
**Extends**: Exchange
* [fetchCurrencies](#fetchcurrencies)
* [fetchMarkets](#fetchmarkets)
* [fetchBalance](#fetchbalance)
* [fetchOrderBook](#fetchorderbook)
* [fetchTickers](#fetchtickers)
* [fetchTicker](#fetchticker)
* [fetchTrades](#fetchtrades)
* [createOrder](#createorder)
* [fetchOrder](#fetchorder)
* [fetchOpenOrders](#fetchopenorders)
* [fetchMyTrades](#fetchmytrades)
* [cancelOrder](#cancelorder)
* [fetchDepositAddresses](#fetchdepositaddresses)
* [watchOrderBook](#watchorderbook)
* [watchTicker](#watchticker)
* [watchTrades](#watchtrades)
### fetchCurrencies{docsify-ignore}
fetches all available currencies on an exchange
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- an associative dictionary of currencies
**See**: https://docs.coinone.co.kr/reference/currencies
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchCurrencies ([params])
```
### fetchMarkets{docsify-ignore}
retrieves data on all markets for coinone
**Kind**: instance method of [coinone
](#coinone)
**Returns**: Array<object>
- an array of objects representing market data
**See**: https://docs.coinone.co.kr/v1.0/reference/tickers
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchMarkets ([params])
```
### fetchBalance{docsify-ignore}
query for balance and get the amount of funds available for trading or funds locked in orders
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- a [balance structure](https://docs.ccxt.com/#/?id=balance-structure)
**See**: https://docs.coinone.co.kr/v1.0/reference/v21
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchBalance ([params])
```
### fetchOrderBook{docsify-ignore}
fetches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- A dictionary of [order book structures](https://docs.ccxt.com/#/?id=order-book-structure) indexed by market symbols
**See**: https://docs.coinone.co.kr/v1.0/reference/orderbook
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the order book for |
| limit | int
| No | the maximum amount of order book entries to return |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchOrderBook (symbol[, limit, params])
```
### fetchTickers{docsify-ignore}
fetches price tickers for multiple markets, statistical information calculated over the past 24 hours for each market
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- a dictionary of [ticker structures](https://docs.ccxt.com/#/?id=ticker-structure)
**See**
- https://docs.coinone.co.kr/v1.0/reference/tickers
- https://docs.coinone.co.kr/v1.0/reference/ticker
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbols | Array<string>
, undefined
| Yes | unified symbols of the markets to fetch the ticker for, all market tickers are returned if not assigned |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchTickers (symbols[, params])
```
### fetchTicker{docsify-ignore}
fetches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**: https://docs.coinone.co.kr/v1.0/reference/ticker
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the ticker for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchTicker (symbol[, params])
```
### fetchTrades{docsify-ignore}
get the list of most recent trades for a particular symbol
**Kind**: instance method of [coinone
](#coinone)
**Returns**: Array<Trade>
- a list of [trade structures](https://docs.ccxt.com/#/?id=public-trades)
**See**: https://docs.coinone.co.kr/v1.0/reference/recent-completed-orders
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch trades for |
| since | int
| No | timestamp in ms of the earliest trade to fetch |
| limit | int
| No | the maximum amount of trades to fetch |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchTrades (symbol[, since, limit, params])
```
### createOrder{docsify-ignore}
create a trade order
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- an [order structure](https://docs.ccxt.com/#/?id=order-structure)
**See**
- https://doc.coinone.co.kr/#tag/Order-V2/operation/v2_order_limit_buy
- https://doc.coinone.co.kr/#tag/Order-V2/operation/v2_order_limit_sell
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to create an order in |
| type | string
| Yes | must be 'limit' |
| side | string
| Yes | 'buy' or 'sell' |
| amount | float
| Yes | how much of currency you want to trade in units of base currency |
| price | float
| No | the price at which the order is to be fulfilled, in units of the quote currency, ignored in market orders |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.createOrder (symbol, type, side, amount[, price, params])
```
### fetchOrder{docsify-ignore}
fetches information on an order made by the user
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- An [order structure](https://docs.ccxt.com/#/?id=order-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market the order was made in |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchOrder (symbol[, params])
```
### fetchOpenOrders{docsify-ignore}
fetch all unfilled currently open orders
**Kind**: instance method of [coinone
](#coinone)
**Returns**: Array<Order>
- a list of [order structures](https://docs.ccxt.com/#/?id=order-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch open orders for |
| limit | int
| No | the maximum number of open orders structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchOpenOrders (symbol[, since, limit, params])
```
### fetchMyTrades{docsify-ignore}
fetch all trades made by the user
**Kind**: instance method of [coinone
](#coinone)
**Returns**: Array<Trade>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol |
| since | int
| No | the earliest time in ms to fetch trades for |
| limit | int
| No | the maximum number of trades structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchMyTrades (symbol[, since, limit, params])
```
### cancelOrder{docsify-ignore}
cancels an open order
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- An [order structure](https://docs.ccxt.com/#/?id=order-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| id | string
| Yes | order id |
| symbol | string
| Yes | unified symbol of the market the order was made in |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.cancelOrder (id, symbol[, params])
```
### fetchDepositAddresses{docsify-ignore}
fetch deposit addresses for multiple currencies and chain types
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- a list of [address structures](https://docs.ccxt.com/#/?id=address-structure)
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| codes | Array<string>
, undefined
| Yes | list of unified currency codes, default is undefined |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.fetchDepositAddresses (codes[, params])
```
### watchOrderBook{docsify-ignore}
watches information on open orders with bid (buy) and ask (sell) prices, volumes and other data
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- A dictionary of [order book structures](https://docs.ccxt.com/#/?id=order-book-structure) indexed by market symbols
**See**: https://docs.coinone.co.kr/reference/public-websocket-orderbook
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the order book for |
| limit | int
| No | the maximum amount of order book entries to return |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.watchOrderBook (symbol[, limit, params])
```
### watchTicker{docsify-ignore}
watches a price ticker, a statistical calculation with the information calculated over the past 24 hours for a specific market
**Kind**: instance method of [coinone
](#coinone)
**Returns**: object
- a [ticker structure](https://docs.ccxt.com/#/?id=ticker-structure)
**See**: https://docs.coinone.co.kr/reference/public-websocket-ticker
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified symbol of the market to fetch the ticker for |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.watchTicker (symbol[, params])
```
### watchTrades{docsify-ignore}
watches information on multiple trades made in a market
**Kind**: instance method of [coinone
](#coinone)
**Returns**: Array<object>
- a list of [trade structures](https://docs.ccxt.com/#/?id=trade-structure)
**See**: https://docs.coinone.co.kr/reference/public-websocket-trade
| Param | Type | Required | Description |
| --- | --- | --- | --- |
| symbol | string
| Yes | unified market symbol of the market trades were made in |
| since | int
| No | the earliest time in ms to fetch trades for |
| limit | int
| No | the maximum number of trade structures to retrieve |
| params | object
| No | extra parameters specific to the exchange API endpoint |
```javascript
coinone.watchTrades (symbol[, since, limit, params])
```