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Merge #18023: Fix some asmap issues

Browse Source 
c86bc14408 Make asmap Interpret tolerant of malicious map data (Pieter Wuille)
38c2395d7a Use ASNs for mapped IPv4 addresses correctly (Pieter Wuille)
6f8c937312 Mark asmap const in statistics code (Pieter Wuille)
d58bcdc4b5 Avoid asmap copies in initialization (Pieter Wuille)

Pull request description:

  Here are a few things to improve in the asmap implementation. The first two commits are just code improvements. The last one is a bugfix (the exsting code wouldn't correctly apply ASN lookups to mapped/embedded IPv4 addresses).

ACKs for top commit:
  practicalswift:
    ACK c86bc14408 -- patch looks correct
  naumenkogs:
    utACK c86bc14
  laanwj:
    ACK c86bc14408
  jonatack:
    ACK c86bc14408 code looks correct, built/ran tests, bitcoind with -asmap pointed to asmap/demo.map

Tree-SHA512: 1036f43152754d621bfbecfd3b7c7276e4670598fcaed42a3d275e51fa2cf3653e2c9e9cfa714f6c7719362541510e92171e076ac4169b55a0cc8908b2d514c0
This commit is contained in:
Wladimir J. van der Laan
2020-02-05 13:36:13 +01:00
parent bd5c4c6971 c86bc14408
commit adea5e1b54
6 changed files with 89 additions and 63 deletions
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2
src/init.cpp
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@@ -1835,8 +1835,8 @@ bool AppInitMain(NodeContext& node)
InitError(strprintf(_("Could not find or parse specified asmap: '%s'").translated, asmap_path));
return false;
}
node.connman->SetAsmap(asmap);
const uint256 asmap_version = SerializeHash(asmap);
node.connman->SetAsmap(std::move(asmap));
LogPrintf("Using asmap version %s for IP bucketing.\n", asmap_version.ToString());
} else {
LogPrintf("Using /16 prefix for IP bucketing.\n");