refactor: nip04 encrypt decrypt functions

Author: pavanjoshi914

src/extension/background-script/actions/nostr/decryptOrPrompt.ts

@@ -20,7 +20,7 @@ const decryptOrPrompt = async (message: MessageDecryptGet, sender: Sender) => {
 
     if (hasPermission) {
       const nostr = await state.getState().getNostr();
-      const response = await nostr.decrypt(
+      const response = await nostr.nip04Decrypt(
         message.args.peer,
         message.args.ciphertext
       );
@@ -44,7 +44,7 @@ const decryptOrPrompt = async (message: MessageDecryptGet, sender: Sender) => {
       }
       if (promptResponse.data.confirm) {
         const nostr = await state.getState().getNostr();
-        const response = await nostr.decrypt(
+        const response = await nostr.nip04Decrypt(
           message.args.peer,
           message.args.ciphertext
         );

src/extension/background-script/actions/nostr/encryptOrPrompt.ts

@@ -20,7 +20,8 @@ const encryptOrPrompt = async (message: MessageEncryptGet, sender: Sender) => {
     );
 
     if (hasPermission) {
-      const response = (await state.getState().getNostr()).encrypt(
+      const nostr = await state.getState().getNostr();
+      const response = await nostr.nip04Encrypt(
         message.args.peer,
         message.args.plaintext
       );
@@ -48,7 +49,8 @@ const encryptOrPrompt = async (message: MessageEncryptGet, sender: Sender) => {
         );
       }
       if (promptResponse.data.confirm) {
-        const response = (await state.getState().getNostr()).encrypt(
+        const nostr = await state.getState().getNostr();
+        const response = await nostr.nip04Encrypt(
           message.args.peer,
           message.args.plaintext
         );

src/extension/background-script/nostr/__test__/nostr.test.ts

@@ -23,11 +23,11 @@ describe("nostr.nip04", () => {
     const aliceNostr = new Nostr(alice.privateKey);
 
     const message = "Secret message that is sent from Alice to Bob";
-    const encrypted = aliceNostr.encrypt(bob.publicKey, message);
+    const encrypted = aliceNostr.nip04Encrypt(bob.publicKey, message);
 
     const bobNostr = new Nostr(bob.privateKey);
 
-    const decrypted = await bobNostr.decrypt(alice.publicKey, encrypted);
+    const decrypted = await bobNostr.nip04Decrypt(alice.publicKey, encrypted);
 
     expect(decrypted).toMatch(message);
   });
@@ -36,13 +36,13 @@ describe("nostr.nip04", () => {
     const aliceNostr = new Nostr(alice.privateKey);
 
     const message = "Secret message that is sent from Alice to Bob";
-    const encrypted = aliceNostr.encrypt(bob.publicKey, message);
+    const encrypted = aliceNostr.nip04Encrypt(bob.publicKey, message);
 
     const carolNostr = new Nostr(carol.privateKey);
 
     let decrypted;
     try {
-      decrypted = await carolNostr.decrypt(alice.publicKey, encrypted);
+      decrypted = await carolNostr.nip04Decrypt(alice.publicKey, encrypted);
     } catch (e) {
       decrypted = "error decrypting message";
     }

src/extension/background-script/nostr/index.ts

@@ -53,7 +53,7 @@ class Nostr {
     return signedHex;
   }
 
-  encrypt(pubkey: string, text: string) {
+  nip04Encrypt(pubkey: string, text: string) {
     const key = secp256k1.getSharedSecret(this.privateKey, "02" + pubkey);
     const normalizedKey = Buffer.from(key.slice(1, 33));
     const hexNormalizedKey = secp256k1.etc.bytesToHex(normalizedKey);
@@ -68,7 +68,7 @@ class Nostr {
     )}`;
   }
 
-  async decrypt(pubkey: string, ciphertext: string) {
+  async nip04Decrypt(pubkey: string, ciphertext: string) {
     const [cip, iv] = ciphertext.split("?iv=");
     const key = secp256k1.getSharedSecret(this.privateKey, "02" + pubkey);
     const normalizedKey = Buffer.from(key.slice(1, 33));