feat: testnet4

Author: reez

BDKSwiftExampleWallet/Resources/Localizable.xcstrings

@@ -700,6 +700,9 @@
           }
         }
       }
+    },
+    "Testnet4" : {
+
     },
     "To" : {
       "extractionState" : "stale",

BDKSwiftExampleWallet/Service/BDK Service/BDKService.swift

@@ -24,8 +24,21 @@ private class BDKService {
         self.keyClient = keyClient
         let storedNetworkString = try? keyClient.getNetwork() ?? Network.signet.description
         self.network = Network(stringValue: storedNetworkString ?? "") ?? .signet
-        self.esploraURL =
-            try! keyClient.getEsploraURL() ?? Constants.Config.EsploraServerURLNetwork.Signet.mutiny
+
+        switch self.network {
+        case .bitcoin:
+            self.esploraURL = Constants.Config.EsploraServerURLNetwork.Bitcoin.allValues.first ?? ""
+        case .testnet:
+            self.esploraURL = Constants.Config.EsploraServerURLNetwork.Testnet.allValues.first ?? ""
+        case .regtest:
+            self.esploraURL = Constants.Config.EsploraServerURLNetwork.Regtest.allValues.first ?? ""
+        case .signet:
+            self.esploraURL = Constants.Config.EsploraServerURLNetwork.Signet.allValues.first ?? ""
+        case .testnet4:
+            self.esploraURL =
+                Constants.Config.EsploraServerURLNetwork.Testnet4.allValues.first ?? ""
+        }
+
         self.esploraClient = EsploraClient(url: self.esploraURL)
     }
 
@@ -188,8 +201,19 @@ private class BDKService {
         } else {
         }
 
-        let baseUrl =
-            try keyClient.getEsploraURL() ?? Constants.Config.EsploraServerURLNetwork.Signet.mutiny
+        let baseUrl: String
+        switch self.network {
+        case .bitcoin:
+            baseUrl = Constants.Config.EsploraServerURLNetwork.Bitcoin.allValues.first ?? ""
+        case .testnet:
+            baseUrl = Constants.Config.EsploraServerURLNetwork.Testnet.allValues.first ?? ""
+        case .regtest:
+            baseUrl = Constants.Config.EsploraServerURLNetwork.Regtest.allValues.first ?? ""
+        case .signet:
+            baseUrl = Constants.Config.EsploraServerURLNetwork.Signet.allValues.first ?? ""
+        case .testnet4:
+            baseUrl = Constants.Config.EsploraServerURLNetwork.Testnet4.allValues.first ?? ""
+        }
 
         guard let descriptorString = descriptor, !descriptorString.isEmpty else {
             throw WalletError.walletNotFound

BDKSwiftExampleWallet/View/Activity/TransactionListView.swift

@@ -41,8 +41,8 @@ struct TransactionListView: View {
                     if let mutinyFaucetURL,
                         let signetFaucetURL,
                         viewModel.getNetwork() != Network.testnet.description
+                            && viewModel.getNetwork() != Network.testnet4.description
                     {
-
                         Button {
                             UIApplication.shared.open(
                                 viewModel.getEsploraURL()
@@ -59,7 +59,27 @@ struct TransactionListView: View {
                             .underline()
                         }
                         .buttonStyle(.plain)
+                    }
+
+                    let testnet4FaucetURL = URL(string: "https://mempool.space/testnet4/faucet")
 
+                    if let testnet4FaucetURL,
+                        viewModel.getNetwork() == Network.testnet4.description
+                    {
+                        Button {
+                            UIApplication.shared.open(
+                                testnet4FaucetURL
+                            )
+                        } label: {
+                            HStack(spacing: 2) {
+                                Text("Get sats from faucet")
+                                Image(systemName: "arrow.right")
+                            }
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                            .underline()
+                        }
+                        .buttonStyle(.plain)
                     }
 
                 }

BDKSwiftExampleWallet/View/OnboardingView.swift

@@ -114,6 +114,7 @@ struct OnboardingView: View {
                     Picker("Network", selection: $viewModel.selectedNetwork) {
                         Text("Signet").tag(Network.signet)
                         Text("Testnet").tag(Network.testnet)
+                        Text("Testnet4").tag(Network.testnet4)
                     }
                     .pickerStyle(.automatic)
                     .tint(.primary)