diff options
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/bip32_tests.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/bip32_tests.cpp b/src/test/bip32_tests.cpp index 64cc924239..75b29ae0aa 100644 --- a/src/test/bip32_tests.cpp +++ b/src/test/bip32_tests.cpp @@ -184,4 +184,22 @@ BOOST_AUTO_TEST_CASE(bip32_test5) { } } +BOOST_AUTO_TEST_CASE(bip32_max_depth) { + CExtKey key_parent{DecodeExtKey(test1.vDerive[0].prv)}, key_child; + CExtPubKey pubkey_parent{DecodeExtPubKey(test1.vDerive[0].pub)}, pubkey_child; + + // We can derive up to the 255th depth.. + for (auto i = 0; i++ < 255;) { + BOOST_CHECK(key_parent.Derive(key_child, 0)); + std::swap(key_parent, key_child); + BOOST_CHECK(pubkey_parent.Derive(pubkey_child, 0)); + std::swap(pubkey_parent, pubkey_child); + } + + // But trying to derive a non-existent 256th depth will fail! + BOOST_CHECK(key_parent.nDepth == 255 && pubkey_parent.nDepth == 255); + BOOST_CHECK(!key_parent.Derive(key_child, 0)); + BOOST_CHECK(!pubkey_parent.Derive(pubkey_child, 0)); +} + BOOST_AUTO_TEST_SUITE_END() |