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author | W. J. van der Laan <laanwj@protonmail.com> | 2021-07-08 16:52:25 +0200 |
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committer | W. J. van der Laan <laanwj@protonmail.com> | 2021-07-08 17:20:35 +0200 |
commit | d9686164220041b8839039732295f165d9e5d015 (patch) | |
tree | 9de408d5f1ef01cb18f1eca91a979b8fed4952ec /src/test/addrman_tests.cpp | |
parent | 4129134e844f78a89f8515cf30dad4b6074703c7 (diff) | |
parent | 00b875ba9414463d0041da6924fd9b54d6a06dee (diff) | |
download | bitcoin-d9686164220041b8839039732295f165d9e5d015.tar.xz |
Merge bitcoin/bitcoin#22179: Torv2 removal followups
00b875ba9414463d0041da6924fd9b54d6a06dee addrman: remove invalid addresses when unserializing (Vasil Dimov)
bdb62096f0109b2ec76849d33d6cf7187dea299f fuzz: reduce possible networks check (Vasil Dimov)
a164cd3ba694ffeba03b2887a411b7f82f6c087e net: simplify CNetAddr::IsRoutable() (Vasil Dimov)
Pull request description:
* Simplify some code, now that we know `CNetAddr::IsRFC4193()` and `CNetAddr::IsTor()` cannot be `true` at the same time.
* Drop Tor v2 addresses when loading addrman from `peers.dat` - they would have been loaded as dummy-all-zeros IPv6 addresses and linger in addrman, wasting space.
ACKs for top commit:
sipa:
ACK 00b875ba9414463d0041da6924fd9b54d6a06dee. Reviewed the code, and tested with -DDEBUG_ADDRMAN (unit tests + mainnet run with peers.dat that contained v2 onions).
laanwj:
Code review and lightly tested ACK 00b875ba9414463d0041da6924fd9b54d6a06dee
jonatack:
ACK 00b875ba9414463d0041da6924fd9b54d6a06dee reviewed, debug-built with -DEBUG_ADDRMAN rebased to current master, restarted node on mainnet/signet/testnet and verified that on each chain -addrinfo shows no change in address counts (as expected). Added some sanity check asserts, rebuilt/re-ran test. Checked that the new test fails on master with "test/addrman_tests.cpp(824): error: in "addrman_tests/remove_invalid": check addrman.size() == 2 has failed [4 != 2]"
jarolrod:
ACK 00b875ba9414463d0041da6924fd9b54d6a06dee
Tree-SHA512: 6ed8e6745134b1b94fffaba28482de909ea39483b46b7f57bda61cdbae7a51251d15cb674de3631772fbeabe153d77a19269f96e62a89102a2d5c01e48f0ba06
Diffstat (limited to 'src/test/addrman_tests.cpp')
-rw-r--r-- | src/test/addrman_tests.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp index eb5c37b34d..1103292c1a 100644 --- a/src/test/addrman_tests.cpp +++ b/src/test/addrman_tests.cpp @@ -783,6 +783,46 @@ BOOST_AUTO_TEST_CASE(addrman_serialization) BOOST_CHECK(bucketAndEntry_asmap1_deser_addr1.second != bucketAndEntry_asmap1_deser_addr2.second); } +BOOST_AUTO_TEST_CASE(remove_invalid) +{ + // Confirm that invalid addresses are ignored in unserialization. + + CAddrManTest addrman; + CDataStream stream(SER_NETWORK, PROTOCOL_VERSION); + + const CAddress new1{ResolveService("5.5.5.5"), NODE_NONE}; + const CAddress new2{ResolveService("6.6.6.6"), NODE_NONE}; + const CAddress tried1{ResolveService("7.7.7.7"), NODE_NONE}; + const CAddress tried2{ResolveService("8.8.8.8"), NODE_NONE}; + + addrman.Add({new1, tried1, new2, tried2}, CNetAddr{}); + addrman.Good(tried1); + addrman.Good(tried2); + BOOST_REQUIRE_EQUAL(addrman.size(), 4); + + stream << addrman; + + const std::string str{stream.str()}; + size_t pos; + + const char new2_raw[]{6, 6, 6, 6}; + const uint8_t new2_raw_replacement[]{0, 0, 0, 0}; // 0.0.0.0 is !IsValid() + pos = str.find(new2_raw, 0, sizeof(new2_raw)); + BOOST_REQUIRE(pos != std::string::npos); + BOOST_REQUIRE(pos + sizeof(new2_raw_replacement) <= stream.size()); + memcpy(stream.data() + pos, new2_raw_replacement, sizeof(new2_raw_replacement)); + + const char tried2_raw[]{8, 8, 8, 8}; + const uint8_t tried2_raw_replacement[]{255, 255, 255, 255}; // 255.255.255.255 is !IsValid() + pos = str.find(tried2_raw, 0, sizeof(tried2_raw)); + BOOST_REQUIRE(pos != std::string::npos); + BOOST_REQUIRE(pos + sizeof(tried2_raw_replacement) <= stream.size()); + memcpy(stream.data() + pos, tried2_raw_replacement, sizeof(tried2_raw_replacement)); + + addrman.Clear(); + stream >> addrman; + BOOST_CHECK_EQUAL(addrman.size(), 2); +} BOOST_AUTO_TEST_CASE(addrman_selecttriedcollision) { |