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Order update request through websocket #120

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Order update request through websocket #120

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37 changes: 37 additions & 0 deletions v2/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,43 @@ func (o *OrderNewRequest) MarshalJSON() ([]byte, error) {
return json.Marshal(&body)
}

// OrderUpdateRequest represents an posted order to be updated on the bitfinex via
// the websocket service.
type OrderUpdateRequest struct {
ID int64 `json:"id"`
GID int64 `json:"gid,omitempty"`
Amount float64 `json:"amount,string,omitempty"`
Price float64 `json:"price,string,omitempty"`
Delta float64 `json:"delta,string,omitempty"`
PriceAuxLimit float64 `json:"price_aux_limit,string,omitempty"`
PriceTrailing float64 `json:"price_trailing,string,omitempty"`
}

// MarshalJSON converts the order object into the format required by the bitfinex
// websocket service.
func (o *OrderUpdateRequest) MarshalJSON() ([]byte, error) {
aux := struct {
ID int64 `json:"id"`
GID int64 `json:"gid,omitempty"`
Amount float64 `json:"amount,string,omitempty"`
Price float64 `json:"price,string,omitempty"`
Delta float64 `json:"delta,string,omitempty"`
PriceAuxLimit float64 `json:"price_aux_limit,string,omitempty"`
PriceTrailing float64 `json:"price_trailing,string,omitempty"`
}{
ID: o.ID,
GID: o.GID,
Amount: o.Amount,
Price: o.Price,
Delta: o.Delta,
PriceAuxLimit: o.PriceAuxLimit,
PriceTrailing: o.PriceTrailing,
}

body := []interface{}{0, "ou", nil, aux}
return json.Marshal(&body)
}

// OrderCancelRequest represents an order cancel request.
// An order can be cancelled using the internal ID or a
// combination of Client ID (CID) and the daten for the given
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5 changes: 5 additions & 0 deletions v2/websocket/api.go
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,11 @@ func (c *Client) SubmitOrder(ctx context.Context, order *bitfinex.OrderNewReques
return c.asynchronous.Send(ctx, order)
}

// UpdateOrder sends an update order requst.
func (c *Client) UpdateOrder(ctx context.Context, order *bitfinex.OrderUpdateRequest) error {
return c.asynchronous.Send(ctx, order)
}

// SubmitCancel sends a cancel request.
func (c *Client) SubmitCancel(ctx context.Context, cancel *bitfinex.OrderCancelRequest) error {
return c.asynchronous.Send(ctx, cancel)
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