47 lines
1.9 KiB
Kotlin
47 lines
1.9 KiB
Kotlin
package com.example
|
|
|
|
import net.thauvin.erik.crypto.CryptoException
|
|
import net.thauvin.erik.crypto.CryptoPrice.Companion.apiCall
|
|
import net.thauvin.erik.crypto.CryptoPrice.Companion.buyPrice
|
|
import net.thauvin.erik.crypto.CryptoPrice.Companion.sellPrice
|
|
import net.thauvin.erik.crypto.CryptoPrice.Companion.spotPrice
|
|
import org.json.JSONObject
|
|
import java.io.IOException
|
|
|
|
fun main(args: Array<String>) {
|
|
try {
|
|
if (args.isNotEmpty()) {
|
|
val price = if (args.size == 2) spotPrice(args[0], args[1]) else spotPrice(args[0])
|
|
println("The current ${price.base} price is ${price.toCurrency()}")
|
|
} else {
|
|
// Get current Bitcoin spot price.
|
|
val price = spotPrice("BTC")
|
|
println("The current Bitcoin price is ${price.toCurrency()}")
|
|
|
|
println()
|
|
|
|
// Get current Ethereum sell price in Pound sterling.
|
|
val gbpPrice = sellPrice("ETH", "GBP")
|
|
println("The current Ethereum sell price is ${gbpPrice.toCurrency()}")
|
|
|
|
// Get current Litecoin buy price in Euro.
|
|
val euroPrice = buyPrice("LTC", "EUR")
|
|
println("The current Litecoin buy price is ${euroPrice.toCurrency()}")
|
|
|
|
println()
|
|
|
|
// Get exchange rate using API.
|
|
// See: https://docs.cloud.coinbase.com/sign-in-with-coinbase/docs/api-exchange-rates
|
|
val response = apiCall(listOf("exchange-rates"), mapOf("currency" to "usd"))
|
|
val rates = JSONObject(response).getJSONObject("data").getJSONObject("rates")
|
|
println("The USD-EUR exchange rate is: ${rates.getString("EUR")}")
|
|
}
|
|
} catch (e: CryptoException) {
|
|
System.err.println("HTTP Status Code: ${e.statusCode}")
|
|
System.err.println(e.message)
|
|
} catch (e: IllegalArgumentException) {
|
|
System.err.println("Could not display the specified currency: ${args[1]}")
|
|
} catch (e: IOException) {
|
|
System.err.println(e.message)
|
|
}
|
|
}
|