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[3.2] Add tests for creating public key with no private key #688

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Jul 18, 2022
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[3.2] Add tests for creating public key with no private key #688

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38 changes: 38 additions & 0 deletions unittests/auth_tests.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,44 @@ try {

} FC_LOG_AND_RETHROW() }

BOOST_AUTO_TEST_CASE(update_auth_unknown_private_key) {
try {
TESTER chain;
chain.create_account(name("alice"));

// Change owner permission
const auto new_owner_priv_key = chain.get_private_key(name("alice"), "new_owner");

// public key with no corresponding private key
fc::ecc::public_key_data data;
data.data[0] = 0x80; // not necessary, 0 also works
fc::sha256 hash = fc::sha256::hash("unknown key");
std::memcpy(&data.data[1], hash.data(), hash.data_size() );
fc::ecc::public_key_shim shim(data);
fc::crypto::public_key new_owner_pub_key(std::move(shim));

chain.set_authority(name("alice"), name("owner"), authority(new_owner_pub_key), {});
chain.produce_blocks();

// Ensure the permission is updated
permission_object::id_type owner_id;
{
auto obj = chain.find<permission_object, by_owner>(boost::make_tuple(name("alice"), name("owner")));
BOOST_TEST(obj != nullptr);
BOOST_TEST(obj->owner == name("alice"));
BOOST_TEST(obj->name == name("owner"));
BOOST_TEST(obj->parent == 0);
owner_id = obj->id;
auto auth = obj->auth.to_authority();
BOOST_TEST(auth.threshold == 1u);
BOOST_TEST(auth.keys.size() == 1u);
BOOST_TEST(auth.accounts.size() == 0u);
BOOST_TEST(auth.keys[0].key == new_owner_pub_key);
BOOST_TEST(auth.keys[0].weight == 1);
}
} FC_LOG_AND_RETHROW()
}

BOOST_AUTO_TEST_CASE(link_auths) { try {
TESTER chain;

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20 changes: 20 additions & 0 deletions unittests/misc_tests.cpp
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Expand Up @@ -1199,6 +1199,26 @@ BOOST_AUTO_TEST_CASE(bad_alloc_test) {
BOOST_CHECK( ptr == nullptr );
}

BOOST_AUTO_TEST_CASE(public_key_from_hash) {
auto private_key_string = std::string("5KQwrPbwdL6PhXujxW37FSSQZ1JiwsST4cqQzDeyXtP79zkvFD3");
auto expected_public_key = std::string("EOS6MRyAjQq8ud7hVNYcfnVPJqcVpscN5So8BhtHuGYqET5GDW5CV");
auto test_private_key = fc::crypto::private_key(private_key_string);
auto test_public_key = test_private_key.get_public_key();
fc::crypto::public_key eos_pk(expected_public_key);

BOOST_CHECK_EQUAL(private_key_string, test_private_key.to_string());
BOOST_CHECK_EQUAL(expected_public_key, test_public_key.to_string());
BOOST_CHECK_EQUAL(expected_public_key, eos_pk.to_string());

fc::ecc::public_key_data data;
data.data[0] = 0x80; // not necessary, 0 also works
fc::sha256 hash = fc::sha256::hash("unknown private key");
std::memcpy(&data.data[1], hash.data(), hash.data_size() );
fc::ecc::public_key_shim shim(data);
fc::crypto::public_key eos_unknown_pk(std::move(shim));
ilog( "public key with no known private key: ${k}", ("k", eos_unknown_pk) );
}

BOOST_AUTO_TEST_SUITE_END()

} // namespace eosio