path: root/eth/peer_util.go

package eth

import (
    "encoding/json"

    "github.com/ethereum/go-ethereum/ethutil"
)

func WritePeers(path string, addresses []string) {
    if len(addresses) > 0 {
        data, _ := json.MarshalIndent(addresses, "", "    ")
        ethutil.WriteFile(path, data)
    }
}

func ReadPeers(path string) (ips []string, err error) {
    var data string
    data, err = ethutil.ReadAllFile(path)
    if err != nil {
        json.Unmarshal([]byte(data), &ips)
    }
    return
}