go-waku/waku/v2/discovery/resolver.go

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package discovery
import (
"context"
"net"
)
func GetResolver(ctx context.Context, nameserver string) *net.Resolver {
if nameserver == "" {
return net.DefaultResolver
}
return &net.Resolver{
PreferGo: true,
Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
d := net.Dialer{}
return d.DialContext(ctx, network, net.JoinHostPort(nameserver, "53"))
},
}
}