From 91ef8344d4de28b0a659401ef5fefee6c3d9f7ae Mon Sep 17 00:00:00 2001
From: Kristaps Kaupe <kristaps@blogiem.lv>
Date: Fri, 28 May 2021 17:20:16 +0300
Subject: [PATCH] Additional test vector for hardened derivation with leading
 zeros

---
 src/test/bip32_tests.cpp | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/test/bip32_tests.cpp b/src/test/bip32_tests.cpp
index 32329eb510625..fb16c926476ae 100644
--- a/src/test/bip32_tests.cpp
+++ b/src/test/bip32_tests.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2013-2020 The Bitcoin Core developers
+// Copyright (c) 2013-2021 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -87,6 +87,18 @@ TestVector test3 =
      "xprv9uPDJpEQgRQfDcW7BkF7eTya6RPxXeJCqCJGHuCJ4GiRVLzkTXBAJMu2qaMWPrS7AANYqdq6vcBcBUdJCVVFceUvJFjaPdGZ2y9WACViL4L",
       0);
 
+TestVector test4 =
+  TestVector("3ddd5602285899a946114506157c7997e5444528f3003f6134712147db19b678")
+    ("xpub661MyMwAqRbcGczjuMoRm6dXaLDEhW1u34gKenbeYqAix21mdUKJyuyu5F1rzYGVxyL6tmgBUAEPrEz92mBXjByMRiJdba9wpnN37RLLAXa",
+     "xprv9s21ZrQH143K48vGoLGRPxgo2JNkJ3J3fqkirQC2zVdk5Dgd5w14S7fRDyHH4dWNHUgkvsvNDCkvAwcSHNAQwhwgNMgZhLtQC63zxwhQmRv",
+     0x80000000)
+    ("xpub69AUMk3qDBi3uW1sXgjCmVjJ2G6WQoYSnNHyzkmdCHEhSZ4tBok37xfFEqHd2AddP56Tqp4o56AePAgCjYdvpW2PU2jbUPFKsav5ut6Ch1m",
+     "xprv9vB7xEWwNp9kh1wQRfCCQMnZUEG21LpbR9NPCNN1dwhiZkjjeGRnaALmPXCX7SgjFTiCTT6bXes17boXtjq3xLpcDjzEuGLQBM5ohqkao9G",
+     0x80000001)
+    ("xpub6BJA1jSqiukeaesWfxe6sNK9CCGaujFFSJLomWHprUL9DePQ4JDkM5d88n49sMGJxrhpjazuXYWdMf17C9T5XnxkopaeS7jGk1GyyVziaMt",
+     "xprv9xJocDuwtYCMNAo3Zw76WENQeAS6WGXQ55RCy7tDJ8oALr4FWkuVoHJeHVAcAqiZLE7Je3vZJHxspZdFHfnBEjHqU5hG1Jaj32dVoS6XLT1",
+     0);
+
 static void RunTest(const TestVector &test) {
     std::vector<unsigned char> seed = ParseHex(test.strHexMaster);
     CExtKey key;
@@ -135,4 +147,8 @@ BOOST_AUTO_TEST_CASE(bip32_test3) {
     RunTest(test3);
 }
 
+BOOST_AUTO_TEST_CASE(bip32_test4) {
+    RunTest(test4);
+}
+
 BOOST_AUTO_TEST_SUITE_END()