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cmd/devp2p: skip ENR field tails properly in nodeset filter (#22565)

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In Geth v1.10, we changed the structure of the "les" ENR entry. As a result, the DHT crawler that creates the DNS lists
no longer recognizes the les nodes, which is fixed in this commit. 

* cmd/devp2p: skip ENR field tails properly in nodeset filter
* cmd/devp2p: fix tail decoder for snap as well
* les: fix tail decoding in "eth" ENR entry
This commit is contained in:
Felix Lange
2021-03-24 12:32:39 +01:00
committed by GitHub
parent e862cbff95
commit 5129cdc4f0
2 changed files with 4 additions and 4 deletions
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6
cmd/devp2p/nodesetcmd.go
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@ -173,7 +173,7 @@ func ethFilter(args []string) (nodeFilter, error) {
f := func(n nodeJSON) bool {
var eth struct {
ForkID forkid.ID
_ []rlp.RawValue `rlp:"tail"`
Tail []rlp.RawValue `rlp:"tail"`
}
if n.N.Load(enr.WithEntry("eth", &eth)) != nil {
return false
@ -186,7 +186,7 @@ func ethFilter(args []string) (nodeFilter, error) {
func lesFilter(args []string) (nodeFilter, error) {
f := func(n nodeJSON) bool {
var les struct {
_ []rlp.RawValue `rlp:"tail"`
Tail []rlp.RawValue `rlp:"tail"`
}
return n.N.Load(enr.WithEntry("les", &les)) == nil
}
@ -196,7 +196,7 @@ func lesFilter(args []string) (nodeFilter, error) {
func snapFilter(args []string) (nodeFilter, error) {
f := func(n nodeJSON) bool {
var snap struct {
_ []rlp.RawValue `rlp:"tail"`
Tail []rlp.RawValue `rlp:"tail"`
}
return n.N.Load(enr.WithEntry("snap", &snap)) == nil
}