Add MessageSender

Sources/ElixxirDAppsSDK/Connection.swift

@@ -2,6 +2,7 @@ import Bindings
 
 public struct Connection {
   public var isAuthenticated: () -> Bool
+  public var send: MessageSender
 }
 
 extension Connection {
@@ -9,7 +10,8 @@ extension Connection {
     bindingsConnection: BindingsConnection
   ) -> Connection {
     Connection(
-      isAuthenticated: { false }
+      isAuthenticated: { false },
+      send: .live(bindingsConnection: bindingsConnection)
     )
   }
 
@@ -17,7 +19,8 @@ extension Connection {
     bindingsAuthenticatedConnection: BindingsAuthenticatedConnection
   ) -> Connection {
     Connection(
-      isAuthenticated: bindingsAuthenticatedConnection.isAuthenticated
+      isAuthenticated: bindingsAuthenticatedConnection.isAuthenticated,
+      send: .live(bindingsAuthenticatedConnection: bindingsAuthenticatedConnection)
     )
   }
 }
@@ -25,7 +28,8 @@ extension Connection {
 #if DEBUG
 extension Connection {
   public static let failing = Connection(
-    isAuthenticated: { false }
+    isAuthenticated: { false },
+    send: .failing
   )
 }
 #endif

Sources/ElixxirDAppsSDK/MessageSender.swift

+import Bindings
+
+public struct MessageSender {
+  public var send: (Int, Data) throws -> Data
+
+  public func callAsFunction(
+    messageType: Int,
+    payload: Data
+  ) throws -> Data {
+    try send(messageType, payload)
+  }
+}
+
+extension MessageSender {
+  public static func live(
+    bindingsConnection: BindingsConnection
+  ) -> MessageSender {
+    MessageSender { messageType, payload in
+      try bindingsConnection.sendE2E(messageType, payload: payload)
+    }
+  }
+
+  public static func live(
+    bindingsAuthenticatedConnection: BindingsAuthenticatedConnection
+  ) -> MessageSender {
+    MessageSender { messageType, payload in
+      try bindingsAuthenticatedConnection.sendE2E(messageType, payload: payload)
+    }
+  }
+}
+
+#if DEBUG
+extension MessageSender {
+  public static let failing = MessageSender { _, _ in
+    struct NotImplemented: Error {}
+    throw NotImplemented()
+  }
+}
+#endif