54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package topics
|
|
|
|
import (
|
|
"errors"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/ethereum/go-ethereum/p2p/discv5"
|
|
|
|
"github.com/status-im/status-go/params"
|
|
)
|
|
|
|
// TopicFlag used to parse discv5 topics.
|
|
type TopicFlag []discv5.Topic
|
|
|
|
func (f *TopicFlag) String() string {
|
|
return "discv5 topics"
|
|
}
|
|
|
|
// Set parses single topic.
|
|
func (f *TopicFlag) Set(value string) error {
|
|
*f = append(*f, discv5.Topic(strings.TrimSpace(value)))
|
|
return nil
|
|
}
|
|
|
|
// TopicLimitsFlag used to parse limits for discv5 topics.
|
|
type TopicLimitsFlag map[discv5.Topic]params.Limits
|
|
|
|
func (f *TopicLimitsFlag) String() string {
|
|
return "disv5 topics to limits map"
|
|
}
|
|
|
|
// Set parses single limit for a topic.
|
|
func (f *TopicLimitsFlag) Set(value string) error {
|
|
parts := strings.Split(strings.TrimSpace(value), "=")
|
|
if len(parts) != 2 {
|
|
return errors.New("topic must be separated by '=' from limits, e.g. 'topic1=1,1'")
|
|
}
|
|
limits := strings.Split(parts[1], ",")
|
|
if len(limits) != 2 {
|
|
return errors.New("min and max limit must be set, e.g. 'topic1=1,1'")
|
|
}
|
|
minL, err := strconv.Atoi(limits[0])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
maxL, err := strconv.Atoi(limits[1])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
(*f)[discv5.Topic(parts[0])] = params.NewLimits(minL, maxL)
|
|
return nil
|
|
}
|