update create id

src/services.ts

@@ -61,6 +61,19 @@ class Services {
     public async createId(event: Event): Promise<void> {
         event.preventDefault(); 
 
+        // verify we don't already have an user
+        const services = await Services.getInstance();
+        try {
+            let user = await services.getUserInfo();
+            if (user) {
+                console.error("User already exists, please recover");
+                return;
+            }
+        } catch (error) {
+            console.error(error);
+            return;
+        }
+
         const passwordElement = document.getElementById("password") as HTMLInputElement;
         const processElement = document.getElementById("selectProcess") as HTMLSelectElement;
 
@@ -79,12 +92,11 @@ class Services {
         const birthday_signet = 50000;
         const birthday_main = 500000;
 
-        const services = await Services.getInstance();
         let createUserReturn: createUserReturn = services.sdkClient.create_user(password, label, birthday_main, birthday_signet, this.current_process);
 
         let user = createUserReturn.user;
 
-        const shares = user.shares;
+        // const shares = user.shares;
         // send the shares on the network
         const revokeData = user.revoke_data;
         if (!revokeData) {
@@ -92,7 +104,7 @@ class Services {
             return;
         }
 
-        user.shares = [];
+        // user.shares = [];
         user.revoke_data = null;
 
         try {
@@ -103,16 +115,16 @@ class Services {
             console.error("Failed to write user object :", error);
         }
 
-        let sp_address = "";
         try {
-            sp_address = services.sdkClient.get_receiving_address(user.pre_id);
-            console.info('Using sp_address:', sp_address);
+            this.sp_address = services.sdkClient.get_receiving_address(user.pre_id);
+            if (this.sp_address) {
+                console.info('Using sp_address:', this.sp_address);
+                await services.obtainTokenWithFaucet(this.sp_address);
+            }
         } catch (error) {
             console.error(error);
         }
 
-        await services.obtainTokenWithFaucet(sp_address);
-
         await services.displayRevokeImage(new Uint8Array(revokeData));
     }
 
@@ -651,6 +663,28 @@ class Services {
         }
         return null;
     }
+
+    public async getUserInfo(): Promise<User | null> {
+        try {
+            const indexedDB = await IndexedDB.getInstance();
+            const db = await indexedDB.getDb();
+            let user = await indexedDB.getAll<User>(db, indexedDB.getStoreList().AnkUser);
+            // This should never happen
+            if (user.length > 1) {
+                throw "Multiple users in db";
+            } else {
+                let res = user.pop();
+                if (res === undefined) {
+                    return null;
+                } else {
+                    return res;
+                }
+            }
+        } catch (error) {
+            console.error("Can't get user from db");
+            return null;
+        }
+    }
 }
 
 export default Services;