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Merge #19954: Complete the BIP155 implementation and upgrade to TORv3

Browse Source 
dcf0cb4776 tor: make a TORv3 hidden service instead of TORv2 (Vasil Dimov)
353a3fdaad net: advertise support for ADDRv2 via new message (Vasil Dimov)
201a4596d9 net: CAddress & CAddrMan: (un)serialize as ADDRv2 (Vasil Dimov)
1d3ec2a1fd Support bypassing range check in ReadCompactSize (Pieter Wuille)

Pull request description:

  This PR contains the two remaining commits from #19031 to complete the [BIP155](https://github.com/bitcoin/bips/blob/master/bip-0155.mediawiki) implementation:

  `net: CAddress & CAddrMan: (un)serialize as ADDRv2`
  `net: advertise support for ADDRv2 via new message`

  plus one more commit:

  `tor: make a TORv3 hidden service instead of TORv2`

ACKs for top commit:
  jonatack:
    re-ACK dcf0cb4776 per `git diff 9b56a68 dcf0cb4` only change since last review is an update to the release notes which partially picked up the suggested text. Running a node on this branch and addnode-ing to 6 other Tor v3 nodes, I see "addrv2" and "sendaddrv2" messages in getpeerinfo in both the "bytesrecv_per_msg" and "bytessent_per_msg" JSON objects.
  sipa:
    ACK dcf0cb4776
  hebasto:
    re-ACK dcf0cb4776, the node works flawlessly in all of the modes: Tor-only, clearnet-only, mixed.
  laanwj:
    Edit: I have to retract this ACK for now, I'm having some problems with this PR on a FreeBSD node. It drops all outgoing connections with this dcf0cb4776 merged on master (12a1c3ad1a).
  ariard:
    Code Review ACK dcf0cb4

Tree-SHA512: 28d4d0d817b8664d2f4b18c0e0f31579b2f0f2d23310ed213f1f436a4242afea14dfbf99e07e15889bc5c5c71ad50056797e9307ff8a90e96704f588a6171308
This commit is contained in:
fanquake
2020-10-11 08:16:41 +08:00
parent 12a1c3ad1a dcf0cb4776
commit 0b2abaa666
19 changed files with 596 additions and 48 deletions
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29
src/netaddress.cpp
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@@ -474,6 +474,26 @@ bool CNetAddr::IsInternal() const
return m_net == NET_INTERNAL;
}
bool CNetAddr::IsAddrV1Compatible() const
{
switch (m_net) {
case NET_IPV4:
case NET_IPV6:
case NET_INTERNAL:
return true;
case NET_ONION:
return m_addr.size() == ADDR_TORV2_SIZE;
case NET_I2P:
case NET_CJDNS:
return false;
case NET_UNROUTABLE: // m_net is never and should not be set to NET_UNROUTABLE
case NET_MAX: // m_net is never and should not be set to NET_MAX
assert(false);
} // no default case, so the compiler can warn about missing cases
assert(false);
}
enum Network CNetAddr::GetNetwork() const
{
if (IsInternal())
@@ -744,9 +764,12 @@ std::vector<unsigned char> CNetAddr::GetGroup(const std::vector<bool> &asmap) co
std::vector<unsigned char> CNetAddr::GetAddrBytes() const
{
uint8_t serialized[V1_SERIALIZATION_SIZE];
SerializeV1Array(serialized);
return {std::begin(serialized), std::end(serialized)};
if (IsAddrV1Compatible()) {
uint8_t serialized[V1_SERIALIZATION_SIZE];
SerializeV1Array(serialized);
return {std::begin(serialized), std::end(serialized)};
}
return std::vector<unsigned char>(m_addr.begin(), m_addr.end());
}
uint64_t CNetAddr::GetHash() const