feat: expose sodium.{signDetached,getKeysFromSeed}

features/keychain/api/__tests__/index.test.js

@@ -113,4 +113,35 @@ describe('keychain api', () => {
       xpub: 'xpub6GZDo9NGhuCMi1tATK1mrkcCmsJkS7byjwVgjqp1pZxD1EQ4GMf9vD42r1jAM7teWuk63fPXDvWA8sBxrdVM9sEdhsbGH7jfCEgTg7mvVNh',
     })
   })
+
+  describe('sodium', () => {
+    const EXO = Number.parseInt(Buffer.from('exo').toString('hex'), '16')
+    const keyId = new KeyIdentifier({
+      __proto__: null,
+      derivationAlgorithm: 'SLIP10',
+      derivationPath: `m/${EXO}'/5'/0'`,
+      keyType: 'nacl',
+    })
+
+    test('signDetached signs data', async () => {
+      const data = Buffer.from("Batman's identity was revealed as Harvey Dent")
+      const signature = await api.sodium.signDetached({ seedId, keyId, data })
+
+      expect(signature.toString('hex')).toBe(
+        '5554a24c0885288135f5a4e6bc77b8e84c5e0a836b43b8ea578e3eef890e7d3a4b224d1a9b24960316c626546ff410d1bec918ddb455921c62acbc617c0c2d05'
+      )
+    })
+
+    test('getKeysFromSeed returns public keys', async () => {
+      const keys = await api.sodium.getKeysFromSeed({ seedId, keyId })
+
+      expect(keys.secret).toBeUndefined()
+      expect(keys.sign.publicKey.toString('hex')).toBe(
+        '8154e21fbe0a6b3bd023b649114225633e472b61a8a011ac8385f668863f0439'
+      )
+      expect(keys.box.publicKey.toString('hex')).toBe(
+        '250f5d2b0d4639b17eb68dc71f68fb69f7ef1d3c592a37c15b45be72f29c0358'
+      )
+    })
+  })
 })

features/keychain/api/index.js

@@ -2,6 +2,13 @@ const createKeychainApi = ({ keychain }) => {
   return {
     keychain: {
       exportKey: (...args) => keychain.exportKey(...args),
+      sodium: {
+        signDetached: keychain.sodium.signDetached,
+        getKeysFromSeed: (...args) =>
+          keychain.sodium
+            .getSodiumKeysFromSeed(...args)
+            .then(({ secret, ...publicKeys }) => publicKeys),
+      },
     },
   }
 }