ui: link to faucet if no transactions

Author: reez

BDKSwiftExampleWallet/Resources/Localizable.xcstrings

@@ -397,6 +397,9 @@
           }
         }
       }
+    },
+    "Get sats from faucet" : {
+
     },
     "HomeView Error" : {
       "localizations" : {

BDKSwiftExampleWallet/View Model/Activity/TransactionListViewModel.swift

@@ -12,14 +12,17 @@ import Foundation
 @Observable
 class TransactionListViewModel {
     let bdkClient: BDKClient
+    let keyClient: KeyClient
 
     var showingWalletTransactionsViewErrorAlert = false
     var walletTransactionsViewError: AppError?
 
     init(
-        bdkClient: BDKClient = .live
+        bdkClient: BDKClient = .live,
+        keyClient: KeyClient = .live
     ) {
         self.bdkClient = bdkClient
+        self.keyClient = keyClient
     }
 
     func getSentAndReceived(tx: BitcoinDevKit.Transaction) -> SentAndReceivedValues? {
@@ -35,4 +38,9 @@ class TransactionListViewModel {
         }
     }
 
+    func getEsploraURL() -> String? {
+        let savedEsploraURL = try? keyClient.getEsploraURL()
+        return savedEsploraURL
+    }
+
 }

BDKSwiftExampleWallet/View/Activity/TransactionListView.swift

@@ -29,10 +29,40 @@ struct TransactionListView: View {
                 .listRowInsets(EdgeInsets())
                 .listRowSeparator(.hidden)
             } else if transactions.isEmpty {
-                Text("No Transactions")
-                    .font(.subheadline)
-                    .listRowInsets(EdgeInsets())
-                    .listRowSeparator(.hidden)
+
+                VStack(alignment: .leading) {
+
+                    Text("No Transactions")
+                        .font(.subheadline)
+
+                    let mutinyFaucetURL = URL(string: "https://faucet.mutinynet.com")
+                    let signetFaucetURL = URL(string: "https://signetfaucet.com")
+
+                    if let mutinyFaucetURL, let signetFaucetURL {
+
+                        Button {
+                            UIApplication.shared.open(
+                                viewModel.getEsploraURL()
+                                    == Constants.Config.EsploraServerURLNetwork.Signet.mutiny
+                                    ? mutinyFaucetURL : signetFaucetURL
+                            )
+                        } label: {
+                            HStack(spacing: 2) {
+                                Text("Get sats from faucet")
+                                Image(systemName: "arrow.right")
+                            }
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                            .underline()
+                        }
+                        .buttonStyle(.plain)
+
+                    }
+
+                }
+                .listRowInsets(EdgeInsets())
+                .listRowSeparator(.hidden)
+
             } else {
 
                 ForEach(
@@ -99,4 +129,13 @@ struct TransactionListView: View {
             walletSyncState: .synced
         )
     }
+    #Preview {
+        TransactionListView(
+            viewModel: .init(
+                bdkClient: .mock
+            ),
+            transactions: [],
+            walletSyncState: .synced
+        )
+    }
 #endif