wallet-core-embedded: add initial states to Anastasis handler

packages/taler-wallet-embedded/src/wallet-qjs.ts

@@ -43,6 +43,8 @@ import {
 } from "@gnu-taler/taler-wallet-core";
 import {
   reduceAction,
+  getBackupStartState,
+  getRecoveryStartState,
   ReducerState,
 } from "@gnu-taler/anastasis-core";
 
@@ -177,19 +179,32 @@ class NativeWalletMessageHandler {
  * Handle an Anastasis request from the native app.
  */
 async function handleAnastasisRequest(
-  state: ReducerState,
-  action: string,
+  operation: string,
   id: string,
   args: any,
 ): Promise<CoreApiResponse> {
-  // For now, this will return "success" even if the wrapped Anastasis
-  // response is a ReducerStateError.
+  const wrapSuccessResponse = (result: unknown): CoreApiResponseSuccess => {
     return {
       type: "response",
       id,
-    operation: "anastasis",
-    result: await reduceAction(state, action, args),
+      operation,
+      result,
     };
+  };
+
+  switch (operation) {
+    case "anastasisReduce":
+      // TODO: do some input validation here
+      let req = args ?? {};
+      let res = await reduceAction(req.state, req.action, req.args ?? {});
+      // For now, this will return "success" even if the wrapped Anastasis
+      // response is a ReducerStateError.
+      return wrapSuccessResponse(res);
+    case "anastasisStartBackup":
+      return wrapSuccessResponse(await getBackupStartState());
+    case "anastasisStartRecovery":
+      return wrapSuccessResponse(await getRecoveryStartState());
+  }
 }
 
 export function installNativeWalletListener(): void {
@@ -213,10 +228,8 @@ export function installNativeWalletListener(): void {
 
     let respMsg: CoreApiResponse;
     try {
-      if (msg.operation === "anastasis") {
-        // TODO: do some input validation here
-        let req = msg.args ?? {};
-        respMsg = await handleAnastasisRequest(req.state, req.action, id, req.args ?? {});
+      if (msg.operation.startsWith("anastasis")) {
+        respMsg = await handleAnastasisRequest(operation, id, msg.args ?? {});
       } else {
         respMsg = await handler.handleMessage(operation, id, msg.args ?? {});
       }