add displaying of list of peers

Signed-off-by: Jakub Sokołowski <jakub@status.im>

client.go

@@ -16,11 +16,11 @@ func newClient(url string) (*client, error) {
 	return &client{rpcClient}, nil
 }
 
-func (c *client) getPeers() (interface{}, error) {
-	var rval interface{}
-	err := c.rpcClient.Call(&rval, "admin_peers")
+func (c *client) getPeers() ([]Peer, error) {
+	peers := make([]Peer, 0)
+	err := c.rpcClient.Call(&peers, "admin_peers")
 	if err != nil {
 		return nil, err
 	}
-	return rval, nil
+	return peers, nil
 }

json.go

@@ -0,0 +1,24 @@
+package main
+
+import "fmt"
+
+type Peer struct {
+	Enode     string            `json:"enode"`
+	Id        string            `json:"id"`
+	Name      string            `json:"na"`
+	Caps      []string          `json:"caps"`
+	Network   NetworkInfo       `json:"netrowkr"`
+	Protocols map[string]string `json:"protocols"`
+}
+
+func (p Peer) String() string {
+	return fmt.Sprintf("Peer(id=%s)", p.Id)
+}
+
+type NetworkInfo struct {
+	LocalAddress  string `json:"localAddress"`
+	RemoteAddress string `json:"remoteAddress"`
+	Inbound       bool   `json:"inbound"`
+	Trusted       bool   `json:"trusted"`
+	Static        bool   `json:"static"`
+}

main.go

@@ -2,9 +2,10 @@ package main
 
 import (
 	"fmt"
-	"github.com/jroimartin/gocui"
 	"log"
 	"time"
+	//"github.com/kr/pretty"
+	"github.com/jroimartin/gocui"
 )
 
 type rcpResp map[string]interface{}
@@ -57,17 +58,16 @@ func fetchPeers(c *client, g *gocui.Gui) {
 	}
 }
 
-var idx int
-
-func writePeers(g *gocui.Gui, peers interface{}) {
+func writePeers(g *gocui.Gui, peers []Peer) {
 	g.Update(func(g *gocui.Gui) error {
 		v, err := g.View("main")
 		if err != nil {
 			return err
 		}
 		v.Clear()
-		idx++
-		fmt.Fprintf(v, "idx: %v\n", idx)
+		for _, peer := range peers {
+			fmt.Fprintf(v, "%v\n", peer)
+		}
 		return nil
 	})
 }