feat: updated wallet-db

Signed-off-by: theanmolsharma <anmolsharma0234@gmail.com>

src/wallet/db/db.interface.ts

@@ -1,4 +1,16 @@
 export type DbInterface = {
+    open(): Promise<void>;
+    close(): Promise<void>;
+    getStatus(): string;
     getVersion(): Promise<number>;
     setVersion(version: number): Promise<void>;
+    getSeed(): Promise<string>;
+    setSeed(seed: string): Promise<void>;
+    saveAddress(address: string, path: string): Promise<void>;
+    getAddress(address: string): Promise<string>;
+    hasAddress(address: string): Promise<boolean>;
+    getReceiveDepth(): Promise<number>;
+    setReceiveDepth(depth: number): Promise<void>;
+    getChangeDepth(): Promise<number>;
+    setChangeDepth(depth: number): Promise<void>;
 };

src/wallet/db/level/db.ts

@@ -34,6 +34,42 @@ export class WalletDB implements DbInterface {
     }
 
     public async setVersion(version: number): Promise<void> {
-        this.db.put(wdb.V, version.toString());
+        await this.db.put(wdb.V, version.toString());
+    }
+
+    public async getSeed(): Promise<string> {
+        return await this.db.get(wdb.M);
+    }
+
+    public async setSeed(set: string): Promise<void> {
+        await this.db.put(wdb.M, set);
+    }
+
+    public async saveAddress(address: string, path: string): Promise<void> {
+        await this.db.sublevel(wdb.A).put(address, path);
+    }
+
+    public async getAddress(address: string): Promise<string> {
+        return await this.db.sublevel(wdb.A).get(address);
+    }
+
+    async hasAddress(address: string): Promise<boolean> {
+        return (await this.db.sublevel(wdb.A).get(address)) !== undefined;
+    }
+
+    async getReceiveDepth(): Promise<number> {
+        return parseInt(await this.db.sublevel(wdb.A).get('receiveDepth'));
+    }
+
+    async setReceiveDepth(depth: number): Promise<void> {
+        await this.db.sublevel(wdb.A).put('receiveDepth', depth.toString());
+    }
+
+    async getChangeDepth(): Promise<number> {
+        return parseInt(await this.db.sublevel(wdb.A).get('changeDepth'));
+    }
+
+    async setChangeDepth(depth: number): Promise<void> {
+        await this.db.sublevel(wdb.A).put('changeDepth', depth.toString());
     }
 }

src/wallet/db/level/layout.ts

@@ -1,4 +1,6 @@
 // Database layout
 export const wdb = {
     V: 'V', // Version
+    M: 'M', // Master key
+    A: 'A', // Address
 };