extend bip32 tests to cover Base58c/CExtKey decode

src/test/bip32_tests.cpp

@@ -88,12 +88,23 @@ void RunTest(const TestVector &test) {
         unsigned char data[74];
         key.Encode(data);
         pubkey.Encode(data);
+
         // Test private key
         CBitcoinExtKey b58key; b58key.SetKey(key);
         BOOST_CHECK(b58key.ToString() == derive.prv);
+
+        CBitcoinExtKey b58keyDecodeCheck(derive.prv);
+        CExtKey checkKey = b58keyDecodeCheck.GetKey();
+        assert(checkKey == key); //ensure a base58 decoded key also matches
+
         // Test public key
         CBitcoinExtPubKey b58pubkey; b58pubkey.SetKey(pubkey);
         BOOST_CHECK(b58pubkey.ToString() == derive.pub);
+
+        CBitcoinExtPubKey b58PubkeyDecodeCheck(derive.pub);
+        CExtPubKey checkPubKey = b58PubkeyDecodeCheck.GetKey();
+        assert(checkPubKey == pubkey); //ensure a base58 decoded pubkey also matches
+
         // Derive new keys
         CExtKey keyNew;
         BOOST_CHECK(key.Derive(keyNew, derive.nChild));