40 lines
733 B
Go
40 lines
733 B
Go
|
package les
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
|
||
|
"github.com/ethereum/go-ethereum/eth"
|
||
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
||
|
)
|
||
|
|
||
|
type ulc struct {
|
||
|
trustedKeys map[string]struct{}
|
||
|
minTrustedFraction int
|
||
|
}
|
||
|
|
||
|
func newULC(ulcConfig *eth.ULCConfig) *ulc {
|
||
|
if ulcConfig == nil {
|
||
|
return nil
|
||
|
}
|
||
|
|
||
|
m := make(map[string]struct{}, len(ulcConfig.TrustedServers))
|
||
|
for _, id := range ulcConfig.TrustedServers {
|
||
|
node, err := enode.ParseV4(id)
|
||
|
if err != nil {
|
||
|
fmt.Println("node:", id, " err:", err)
|
||
|
continue
|
||
|
}
|
||
|
m[node.ID().String()] = struct{}{}
|
||
|
}
|
||
|
|
||
|
return &ulc{m, ulcConfig.MinTrustedFraction}
|
||
|
}
|
||
|
|
||
|
func (u *ulc) isTrusted(p enode.ID) bool {
|
||
|
if u.trustedKeys == nil {
|
||
|
return false
|
||
|
}
|
||
|
_, ok := u.trustedKeys[p.String()]
|
||
|
return ok
|
||
|
}
|