49 lines
1.2 KiB
Swift
49 lines
1.2 KiB
Swift
// This is free software: you can redistribute and/or modify it
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// under the terms of the GNU General Public License 3.0
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// as published by the Free Software Foundation https://fsf.org
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//
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// CoinGeckoPriceFetcher.swift
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// SatsPrice
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//
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// Created by Terry Yiu on 2/19/24.
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//
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import Foundation
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private struct CoinGeckoPriceResponse: Codable {
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let bitcoin: CoinGeckoPrice
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}
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private struct CoinGeckoPrice: Codable {
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#if !SKIP
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let usd: Decimal
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#else
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let usd: String
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#endif
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}
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class CoinGeckoPriceFetcher : PriceFetcher {
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private static let urlString = "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd&precision=18"
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func btcToUsd() async throws -> Decimal? {
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do {
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guard let urlComponents = URLComponents(string: CoinGeckoPriceFetcher.urlString), let url = urlComponents.url else {
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return nil
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}
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let (data, _) = try await URLSession.shared.data(from: url, delegate: nil)
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let priceResponse = try JSONDecoder().decode(CoinGeckoPriceResponse.self, from: data)
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let price = priceResponse.bitcoin
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#if !SKIP
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return price.usd
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#else
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return Decimal(price.usd)
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#endif
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} catch {
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return nil
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}
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}
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}
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