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make IPv6 subnet colocation optional as a peer score parameter #387

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make IPv6 subnet colocation optional as a peer score parameter #387

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609d9db
make IPv6 subnet colocation optional, default to false
vyzo Sep 12, 2020
30aa734
make IPv6SubnetColocation a peer score parameter
vyzo Sep 12, 2020
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8 changes: 5 additions & 3 deletions score.go
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Original file line number Diff line number Diff line change
Expand Up @@ -976,12 +976,14 @@ func (ps *peerScore) getIPs(p peer.ID) []string {
ip4 := ip.String()
res = append(res, ip4)
} else {
// IPv6 address -- we add both the actual address and the /64 subnet
// IPv6 address -- we add both the actual address and (optionally) the /64 subnet
ip6 := ip.String()
res = append(res, ip6)

ip6mask := ip.Mask(net.CIDRMask(64, 128)).String()
res = append(res, ip6mask)
if ps.params.IPv6SubnetColocation {
ip6mask := ip.Mask(net.CIDRMask(64, 128)).String()
res = append(res, ip6mask)
}
}
}

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3 changes: 3 additions & 0 deletions score_params.go
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Expand Up @@ -73,6 +73,9 @@ type PeerScoreParams struct {
IPColocationFactorThreshold int
IPColocationFactorWhitelist map[string]struct{}

// IPv6SubnetColocation controls whether /64 IPv6 subnets should be considered colocated.
IPv6SubnetColocation bool

// P7: behavioural pattern penalties.
// This parameter has an associated counter which tracks misbehaviour as detected by the
// router. The router currently applies penalties for the following behaviors:
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