Initial commit

SatsPrice/Network/SpotPriceFetcherDelegator.swift

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+//
+//  SpotPriceFetcherDelegator.swift
+//  SatsPrice
+//
+//  Created by Terry Yiu on 2/20/24.
+//
+
+import Foundation
+import BigDecimal
+
+class SpotPriceFetcherDelegator: SpotPriceFetcher {
+    private let coinbaseSpotPriceFetcher = CoinbaseSpotPriceFetcher()
+    private let coinGeckoSpotPriceFetcher = CoinGeckoSpotPriceFetcher()
+
+    var spotPriceSource: SpotPriceSource = .coinbase
+
+    private var delegate: SpotPriceFetcher {
+        switch spotPriceSource {
+        case .coinbase:
+            coinbaseSpotPriceFetcher
+        case .coingecko:
+            coinGeckoSpotPriceFetcher
+        }
+    }
+
+    func btcToUsd() async throws -> BigDecimal? {
+        return try await delegate.btcToUsd()
+    }
+}