dydx.go

package main

import (
	"fmt"
	"encoding/json"
	"net/http"
	"flag"
)

type Market struct {
	MarketId int `json:marketId`
	Wei string 
}

type Balance struct {
	B0 Market `json:"0"`
	B1 Market `json:"1"`
	B2 Market `json:"2"`
	B3 Market `json:"3"`
}

type Account struct {
	Owner string
	Number string
	Balances Balance
}

type DyDxAccount struct {
	Owner string
	Accounts []Account
}

const BaseUrl = "https://api.dydx.exchange/v1/accounts/"

var a *string = flag.String("a", "", "Account to get")

func getAccount(account string) (*DyDxAccount,error) {
	
	response, err := http.Get(BaseUrl+account)
	if err != nil {
		return nil, err
	}

	if response.StatusCode != http.StatusOK {
		response.Body.Close()
		return nil, fmt.Errorf("Error: %s", response.Status)
	}

	var result DyDxAccount
	if err := json.NewDecoder(response.Body).Decode(&result); err != nil {
		response.Body.Close()
		return nil, err
	}
	return &result, nil
}

func main() {
	flag.Parse()
	account, err := getAccount(*a)
	if err == nil {
		fmt.Println(account.Owner)
	} else {
		fmt.Println(err)
	}
}