tastytrade/risk.go

package tastytrade

import (
	"encoding/json"
	"fmt"
	"net/url"
)

type MarginRequirement struct {
	UnderlyingSymbol       string  `json:"underlying-symbol"`
	LongEquityInitial      float64 `json:"long-equity-initial"`
	ShortEquityInitial     float64 `json:"short-equity-initial"`
	LongEquityMaintenance  float64 `json:"long-equity-maintenance"`
	ShortEquityMaintenance float64 `json:"short-equity-maintenance"`
	NakedOptionStandard    float64 `json:"naked-option-standard"`
	NakedOptionMinimum     float64 `json:"naked-option-minimum"`
	NakedOptionFloor       float64 `json:"naked-option-floor"`
	ClearingIdentifier     string  `json:"clearing-identifier"`
	IsDeleted              bool    `json:"is-deleted"`
}

type MarginRequirementResponse struct {
	Data struct {
		Items []MarginRequirement `json:"items"`
	}
	Context string `json:"context"`
}

type PositionLimit struct {
	Id				int32	`json:"id"`
	AccountNumber			string	`json:"account-number"`
	EquityOrderSize			int32	`json:"equity-order-size"`
	EquityOptionOrderSize		int32	`json:"equity-option-order-size"`
	FutureOrderSize			int32	`json:"future-order-size"`
	FutureOptionOrderSize	 	int32	`json:"future-option-order-size"`
	UnderlyingOpeningOrderLimit	int32	`json:"underlying-opening-order-limit"`
	EquityPositionSize		int32	`json:"equity-position-size"`
	EquityOptionPositionSize	int32	`json:"equity-option-position-size"`
	FuturePositionSize		int32	`json:"future-position-size"`
	FutureOptionPositionSize	int32	`json:"future-option-position-size"`
}

type PositionLimitResponse struct {
	Data struct {
		Items []PositionLimit `json:"items"`
	}
	Context string `json:"context"`
}

type  MarginRequirementsGlobalConfiguration struct {
	RiskFreeRate           float32   `json:"risk-free-rate"`
}

type MarginRequirementsGlobalConfigurationResponse struct {
	Data struct {
		Items []MarginRequirementsGlobalConfiguration `json:"items"`
	}
	Context string `json:"context"`
}

func (api *TastytradeAPI) GetMarginRequirements(accountNumber string, symbol string) (MarginRequirementResponse, error) {
	urlVal := fmt.Sprintf(
		"%s/accounts/%s/margin-requirements/%s/effective",
		api.host,
		url.PathEscape(accountNumber),
		url.PathEscape(symbol))
	data, err := api.fetchData(urlVal)
	if err != nil {
		return MarginRequirementResponse{}, err
	}

	var response MarginRequirementResponse
	jsonData, err := json.Marshal(data)
	if err != nil {
		return MarginRequirementResponse{}, err
	}

	err = json.Unmarshal(jsonData, &response)
	if err != nil {
		return MarginRequirementResponse{}, err
	}

	return response, nil
}

func (api *TastytradeAPI) GetPositionLimit(accountNumber string) (PositionLimitResponse, error) {
	urlVal := fmt.Sprintf(
		"%s/accounts/%s/position-limit",
		api.host,
		url.PathEscape(accountNumber))
	data, err := api.fetchData(urlVal)
	if err != nil {
		return PositionLimitResponse{}, err
	}

	var response PositionLimitResponse
	jsonData, err := json.Marshal(data)
	if err != nil {
		return PositionLimitResponse{}, err
	}

	err = json.Unmarshal(jsonData, &response)
	if err != nil {
		return PositionLimitResponse{}, err
	}

	return response, nil
}

func (api *TastytradeAPI) GetMarginRequirementsPublicConfiguration(accountNumber string) (MarginRequirementsGlobalConfigurationResponse, error) {
	urlVal := fmt.Sprintf( "%s/margin-requirements-public-configuration", api.host)
	data, err := api.fetchData(urlVal)
	if err != nil {
		return MarginRequirementsGlobalConfigurationResponse{}, err
	}

	var response MarginRequirementsGlobalConfigurationResponse
	jsonData, err := json.Marshal(data)
	if err != nil {
		return MarginRequirementsGlobalConfigurationResponse{}, err
	}

	err = json.Unmarshal(jsonData, &response)
	if err != nil {
		return MarginRequirementsGlobalConfigurationResponse{}, err
	}

	return response, nil
}