okxAPI (version 0.1.1)

websocketAPIprivate: websocketAPIprivate Class

Description

Private channel of WebSocket API for Okx exchange v5 API. See Private Channel for more information.

Public fields

channel

Private WebSocket url.

api_key

Okx API key.

secret_key

Okx API secret key.

passphrase

Okx API passphrase.

simulate

Whether to use demo trading service.

ws

A websocket::WebSocket object to establish a connection to the server.

Methods

Public methods

• websocketAPIprivate$new()

• websocketAPIprivate$get_timestamp()

• websocketAPIprivate$get_message()

• websocketAPIprivate$get_signature()

• websocketAPIprivate$connect()

• websocketAPIprivate$login()

• websocketAPIprivate$on_open()

• websocketAPIprivate$on_close()

• websocketAPIprivate$on_message()

• websocketAPIprivate$on_error()

• websocketAPIprivate$send()

• websocketAPIprivate$close()

• websocketAPIprivate$clone()

---

Method new()

Craeate a new websocketAPIprivate object.

Usage

websocketAPIprivate$new(api_key, secret_key, passphrase, simulate = FALSE)

Arguments

api_key

Okx API key.

secret_key

Okx API secret key.

passphrase

Okx API passphrase.

simulate

Whether to use demo trading service.

---

Method get_timestamp()

Get UTC timestamp.

Usage

websocketAPIprivate$get_timestamp()

---

Method get_message()

Get the signing messages.

Usage

websocketAPIprivate$get_message(timestamp)

Arguments

timestamp

Retrieve through method get_timestamp.

---

Method get_signature()

Get the signature.

Usage

websocketAPIprivate$get_signature(secret_key, msg)

Arguments

secret_key

Okx API secret key.

msg

Retrieve through method get_message.

---

Method connect()

Initiate the connection to the server.

Usage

websocketAPIprivate$connect()

---

Method login()

Log in.

Usage

websocketAPIprivate$login()

---

Method on_open()

Called when the connection is established.

Usage

websocketAPIprivate$on_open(func)

Arguments

func

A Callback function.

---

Method on_close()

Called when a previously-opened connection is closed. The event will have 'code' (integer) and 'reason' (one-element character) elements that describe the remote's reason for closing.

Usage

websocketAPIprivate$on_close(func)

Arguments

func

A Callback function.

---

Method on_message()

Called each time a message is received from the server. The event will have a 'data' element, which is the message content.

Usage

websocketAPIprivate$on_message(func)

Arguments

func

A Callback function.

---

Method on_error()

Called when the connection fails to be established. The event will have an 'message' element, a character vector of length 1 describing the reason for the error.

Usage

websocketAPIprivate$on_error(func)

Arguments

func

A Callback function.

---

Method send()

Send a message to the server.

Usage

websocketAPIprivate$send(msg)

Arguments

msg

Messages.

---

Method close()

Close the connection.

Usage

websocketAPIprivate$close()

---

Method clone()

The objects of this class are cloneable with this method.

Usage

websocketAPIprivate$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

if (FALSE) {
tmp <- websocketAPIprivate$new(api_key, secret_key, passphrase)
tmp$connect()
Sys.sleep(1)
tmp$login()

# subscribe account information
msg <- list(
  op = "subscribe",
  args = list(
    list(channel = "account", ccy = "USDT")
  )
)
msg <- jsonlite::toJSON(msg, auto_unbox = TRUE, pretty = TRUE)
tmp$send(msg)

# pass your own callback function
tmp$on_message(function(event) {
  if (event$data == "pong") {
    cat("Bingo!!\n")
  }
})
tmp$send("ping")

tmp$close()
}