github
/
bitcoin
mirror of https://github.com/bitcoin/bitcoin
1
Fork 0
Code Releases Activity

addrman: treat Tor/I2P/CJDNS as a single group 

Sub-netting does not exist in Tor/I2P/CJDNS. Obtaining such addresses
is easier compared to obtaining IP addresses. Also, obtaining
Tor/I2P/CJDNS addresses that do not have a common prefix is not harder
than obtaining ones with common prefix.
This commit is contained in:
Vasil Dimov 2021-07-27 16:28:34 +02:00
parent 1c1a02bbd2
commit 9d2cc3f8ab
No known key found for this signature in database
GPG Key ID: 54DF06F64B55CBBF
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/addrman.cpp
View File

@ -53,6 +53,11 @@ int AddrInfo::GetTriedBucket(const uint256& nKey, const NetGroupManager& netgrou
int AddrInfo::GetNewBucket(const uint256& nKey, const CNetAddr& src, const NetGroupManager& netgroupman) const
{
std::vector<unsigned char> vchSourceGroupKey = netgroupman.GetGroup(src);
if (src.IsTor() || src.IsI2P() || src.IsCJDNS()) {
// For the purposes of new-bucketing, treat the entire Tor network as a single source (same
// for I2P and CJDNS).
vchSourceGroupKey.resize(1);
}
uint64_t hash1 = (HashWriter{} << nKey << netgroupman.GetGroup(*this) << vchSourceGroupKey).GetCheapHash();
uint64_t hash2 = (HashWriter{} << nKey << vchSourceGroupKey << (hash1 % ADDRMAN_NEW_BUCKETS_PER_SOURCE_GROUP)).GetCheapHash();
return hash2 % ADDRMAN_NEW_BUCKET_COUNT;