show usd values for more networks

Shared/Ethereum/EthereumNetwork.swift

@@ -11,7 +11,7 @@ struct EthereumNetwork: Codable, Equatable {
     let isTestnet: Bool
     
     var symbolIsETH: Bool { return symbol == "ETH" }
-    var hasUSDPrice: Bool { return chainId == EthereumNetwork.ethMainnetChainId } // TODO: list more chains with usd price
+    var mightShowPrice: Bool { return !isTestnet } // TODO: check if explicitly allowed to match price for symbol
     var chainIdHexString: String { String.hex(chainId, withPrefix: true) }
     var isEthMainnet: Bool { return chainId == EthereumNetwork.ethMainnetChainId }
     

Shared/Ethereum/Transaction.swift

@@ -21,12 +21,12 @@ struct Transaction {
         return value.gweiUInt
     }
     
-    func description(chain: EthereumNetwork, ethPrice: Double?) -> String {
+    func description(chain: EthereumNetwork, price: Double?) -> String {
         var result = ["🌐 " + chain.name]
-        if let value = valueWithSymbol(chain: chain, ethPrice: ethPrice, withLabel: false) {
+        if let value = valueWithSymbol(chain: chain, price: price, withLabel: false) {
             result.append(value)
         }
-        result.append(feeWithSymbol(chain: chain, ethPrice: ethPrice))
+        result.append(feeWithSymbol(chain: chain, price: price))
         result.append(dataWithLabel)
         
         return result.joined(separator: "\n\n")
@@ -54,13 +54,13 @@ struct Transaction {
         return "Gas price: " + gwei
     }
     
-    func feeWithSymbol(chain: EthereumNetwork, ethPrice: Double?) -> String {
+    func feeWithSymbol(chain: EthereumNetwork, price: Double?) -> String {
         let feeString: String
         if let gasPriceString = gasPrice, let gasString = gas,
            let gasPrice = BigInt(hexString: gasPriceString),
            let gas = BigInt(hexString: gasString) {
             let fee = gas * gasPrice
-            let costString = chain.hasUSDPrice ? cost(value: fee, price: ethPrice) : ""
+            let costString = chain.mightShowPrice ? cost(value: fee, price: price) : ""
             feeString = fee.eth.prefix(8) + " \(chain.symbol)" + costString
         } else {
             feeString = Strings.calculating
@@ -68,9 +68,9 @@ struct Transaction {
         return "Fee: " + feeString
     }
     
-    func valueWithSymbol(chain: EthereumNetwork, ethPrice: Double?, withLabel: Bool) -> String? {
+    func valueWithSymbol(chain: EthereumNetwork, price: Double?, withLabel: Bool) -> String? {
         guard let value = value, let value = BigInt(hexString: value) else { return nil }
-        let costString = chain.hasUSDPrice ? cost(value: value, price: ethPrice) : ""
+        let costString = chain.mightShowPrice ? cost(value: value, price: price) : ""
         let valueString = "\(value.eth) \(chain.symbol)" + costString
         return withLabel ? "Value: " + valueString : valueString
     }

Shared/Services/PriceService.swift

@@ -4,8 +4,20 @@ import Foundation
 
 class PriceService {
     
-    private struct PriceResponse: Codable {
-        let ethereum: Price
+    private struct Prices: Codable {
+        
+        let eth: Price?
+        let bnb: Price?
+        let matic: Price?
+        let ftm: Price?
+        
+        enum CodingKeys: String, CodingKey, CaseIterable {
+            case eth = "ethereum"
+            case bnb = "binancecoin"
+            case matic = "matic-network"
+            case ftm = "fantom"
+        }
+        
     }
     
     private struct Price: Codable {
@@ -15,10 +27,14 @@ class PriceService {
     static let shared = PriceService()
     private let jsonDecoder = JSONDecoder()
     private let urlSession = URLSession(configuration: .ephemeral)
+    private let idsQuery: String = {
+        let ids = Prices.CodingKeys.allCases.map { $0.rawValue }
+        return ids.joined(separator: "%2C")
+    }()
     
     private init() {}
     
-    var currentPrice: Double?
+    private var currentPrices: Prices?
     
     func start() {
         getPrice(scheduleNextRequest: true)
@@ -28,13 +44,29 @@ class PriceService {
         getPrice(scheduleNextRequest: false)
     }
     
+    func forNetwork(_ network: EthereumNetwork) -> Double? {
+        guard network.mightShowPrice else { return nil }
+        switch network.symbol {
+        case "ETH":
+            return currentPrices?.eth?.usd
+        case "BNB":
+            return currentPrices?.bnb?.usd
+        case "FTM":
+            return currentPrices?.ftm?.usd
+        case "MATIC":
+            return currentPrices?.matic?.usd
+        default:
+            return nil
+        }
+    }
+    
     private func getPrice(scheduleNextRequest: Bool) {
-        let url = URL(string: "https://api.coingecko.com/api/v3/simple/price?ids=ethereum&vs_currencies=usd")!
+        let url = URL(string: "https://api.coingecko.com/api/v3/simple/price?ids=\(idsQuery)&vs_currencies=usd")!
         let dataTask = urlSession.dataTask(with: url) { [weak self] (data, _, _) in
             if let data = data,
-               let priceResponse = try? self?.jsonDecoder.decode(PriceResponse.self, from: data) {
+               let pricesResponse = try? self?.jsonDecoder.decode(Prices.self, from: data) {
                 DispatchQueue.main.async {
-                    self?.currentPrice = priceResponse.ethereum.usd
+                    self?.currentPrices = pricesResponse
                 }
             }
             if scheduleNextRequest {

Tokenary iOS/Screens/Approve/ApproveTransactionViewController.swift

@@ -85,10 +85,11 @@ class ApproveTransactionViewController: UIViewController {
             .textWithImage(text: chain.name, imageURL: nil, image: Images.network)
         ]
         
-        if let value = transaction.valueWithSymbol(chain: chain, ethPrice: priceService.currentPrice, withLabel: true) {
+        let price = priceService.forNetwork(chain)
+        if let value = transaction.valueWithSymbol(chain: chain, price: price, withLabel: true) {
             cellModels.append(.text(text: value, oneLine: false))
         }
-        cellModels.append(.text(text: transaction.feeWithSymbol(chain: chain, ethPrice: priceService.currentPrice), oneLine: false))
+        cellModels.append(.text(text: transaction.feeWithSymbol(chain: chain, price: price), oneLine: false))
         cellModels.append(.text(text: transaction.gasPriceWithLabel(chain: chain), oneLine: false))
         if let data = transaction.nonEmptyDataWithLabel {
             cellModels.append(.text(text: data, oneLine: true))

Tokenary macOS/Screens/ApproveTransactionViewController.swift

@@ -94,7 +94,7 @@ class ApproveTransactionViewController: NSViewController {
         okButton.isEnabled = transaction.hasFee
         
         enableSpeedConfigurationIfNeeded()
-        let meta = transaction.description(chain: chain, ethPrice: priceService.currentPrice)
+        let meta = transaction.description(chain: chain, price: priceService.forNetwork(chain))
         if metaTextView.string != meta {
             metaTextView.string = meta
         }