Merge pull request #47 from casper-ecosystem/hotfix/0.3.7

Hotfix: Adds getActivePublicKey() method

package.json

@@ -1,6 +1,6 @@
 {
   "name": "casperlabs-signer",
-  "version": "0.3.6",
+  "version": "0.3.7",
   "private": true,
   "dependencies": {
     "@fortawesome/fontawesome-free": "^5.13.0",

public/manifest.json

@@ -1,6 +1,6 @@
 {
   "manifest_version": 2,
-  "version": "0.3.6",
+  "version": "0.3.7",
   "name": "CasperLabs Signer",
   "author": "https://casperlabs.io",
   "description": "CasperLabs Signer tool for signing transactions on the blockchain.",

src/background/SignMessageManager.ts

@@ -3,6 +3,17 @@ import { AppState } from '../lib/MemStore';
 import PopupManager from '../background/PopupManager';
 import { encodeBase64 } from 'tweetnacl-ts';
 import * as nacl from 'tweetnacl-ts';
+import { encodeBase16 } from 'casper-client-sdk';
+
+const ed25519Key = {
+  prefix: '01',
+  length: 32
+};
+
+const secp256k1Key = {
+  prefix: '02',
+  length: 33
+};
 
 type SignMessageStatus = 'unsigned' | 'signed' | 'rejected';
 
@@ -65,6 +76,31 @@ export default class SignMessageManager extends events.EventEmitter {
     });
   }
 
+  /**
+   * Retrieve the active public key .
+   * @returns {string} Hex-encoded public key with algorithm prefix.
+   */
+  public getActivePublicKey() {
+    return new Promise<string>((resolve, reject) => {
+      let publicKeyBytes = this.appState.selectedUserAccount?.signKeyPair
+        .publicKey;
+      if (!this.appState.connectionStatus) {
+        return reject(new Error('Please connect to the Signer first.'));
+      } else if (publicKeyBytes === undefined) {
+        return reject(new Error('Please create an account first.'));
+      }
+
+      switch (publicKeyBytes.length) {
+        case ed25519Key.length:
+          return resolve(ed25519Key.prefix + encodeBase16(publicKeyBytes));
+        case secp256k1Key.length:
+          return resolve(secp256k1Key.prefix + encodeBase16(publicKeyBytes));
+        default:
+          return reject(new Error('Key was not of expected format!'));
+      }
+    });
+  }
+
   // return base64 encoded public key of the current selected account only if connected
   public getSelectedPublicKeyBase64() {
     return new Promise((resolve, reject) => {

src/content/inpage.ts

@@ -26,6 +26,10 @@ class CasperLabsPluginHelper {
   async getSelectedPublicKeyBase64() {
     return this.call<string>('getSelectedPublicKeyBase64');
   }
+
+  async getActivePublicKey() {
+    return this.call<string>('getActivePublicKey');
+  }
 }
 
 // inject to window, so that Clarity code could use it.

src/lib/rpc/Provider.ts

@@ -52,6 +52,10 @@ export function setupInjectPageAPIServer(
     'getSelectedPublicKeyBase64',
     signMessageManager.getSelectedPublicKeyBase64.bind(signMessageManager)
   );
+  rpc.register(
+    'getActivePublicKey',
+    signMessageManager.getActivePublicKey.bind(signMessageManager)
+  );
   rpc.register(
     'isConnected',
     connectionManager.isConnected.bind(connectionManager)