chore: additional signMessage test

test/tests/signMessage.test.ts

@@ -2,13 +2,17 @@ import Transport from '@ledgerhq/hw-transport-node-speculos';
 import Hive from '@engrave/ledger-app-hive';
 import { expect } from 'chai';
 import * as speculosButtons from '../utils/speculosButtons';
+import {cryptoUtils, Signature} from "@hiveio/dhive";
+import {PublicKey} from "@hiveio/dhive/lib/crypto";
 
 const prepareExpectedSignature = (msg: string, expectedSignature: string) => ({msg, expectedSignature});
 
 describe('Sign message', async () => {
     [
+        // short message
         prepareExpectedSignature('Test', '1f52721df9ed62bf7eb064547a3fa2443dc850e82eda7baa434c9fa1243f608155208ab694cc8e71295e593a2d4b5a33563eb4544b8d1c626f04e65951c49e2464'),
-        prepareExpectedSignature('{"msg": "This is a longer string imitating JSON"}', '1f28bcb4ca91fdc92c407a63d297911e92814226ba79ce7803c7aaf9a1a055a2bc2e9591da1518be7f55c88317b7032a05e28bb47904c2fcc130ac9d32bfe797f5'),
+        // max length message
+        prepareExpectedSignature('x'.repeat(512), '2065458416d886ecc537eebb10dba459bd537fd3d651a877398d9dba38fda63ecb2412beca7e967de5f15ebc6a17b5f2d528f35ba4b7489b64a6a26dadc30ff91c'),
     ].forEach(input => {
         it(`should properly sign message`, async function () {
             const transport = await Transport.open({ apduPort: 40000, buttonPort: 5000, automationPort: 5000 });
@@ -30,5 +34,27 @@ describe('Sign message', async () => {
         }).timeout(10000)
     })
 
+    it('should generate signature compatible with Hive Keychain', async function () {
+        const transport = await Transport.open({ apduPort: 40000, buttonPort: 5000, automationPort: 5000 });
+        try {
+            const hive = new Hive(transport);
+
+            const message = 'This is a message to sign';
+
+            const publicKey = await hive.getPublicKey(`48'/13'/0'/0'/0'`);
+            const signingMsgPromise = hive.signMessage(message, `48'/13'/0'/0'/0'`);
+
+            // accept message
+            await speculosButtons.pressLeft();
+            await speculosButtons.pressLeft();
+            await speculosButtons.pressBoth();
 
+            const signature = await signingMsgPromise;
+            const key = PublicKey.fromString(publicKey);
+            const isSignedByKey = key.verify(cryptoUtils.sha256(message), Signature.fromString(signature));
+            expect(isSignedByKey).to.be.true;
+        } finally {
+            await transport.close();
+        }
+    });
 })
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