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les: switch to new discv5 (#21940)

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This PR enables running the new discv5 protocol in both LES client
and server mode. In client mode it mixes discv5 and dnsdisc iterators
(if both are enabled) and filters incoming ENRs for "les" tag and fork ID.
The old p2p/discv5 package and all references to it are removed.

Co-authored-by: Felix Lange <fjl@twurst.com>
This commit is contained in:
Felföldi Zsolt
2021-01-26 21:41:35 +01:00
committed by GitHub
parent 9c5729311e
commit a72fa88a0d
31 changed files with 113 additions and 6184 deletions
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12
les/commons.go
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@@ -33,7 +33,6 @@ import (
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discv5"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/params"
)
@@ -42,17 +41,6 @@ func errResp(code errCode, format string, v ...interface{}) error {
return fmt.Errorf("%v - %v", code, fmt.Sprintf(format, v...))
}
func lesTopic(genesisHash common.Hash, protocolVersion uint) discv5.Topic {
var name string
switch protocolVersion {
case lpv2:
name = "LES2"
default:
panic(nil)
}
return discv5.Topic(name + "@" + common.Bytes2Hex(genesisHash.Bytes()[0:8]))
}
type chainReader interface {
CurrentHeader() *types.Header
}