swarm/network/simulations/discovery: removed snapshot write to file

swarm/network/simulations/discovery/discovery_test.go

@@ -18,8 +18,6 @@ package discovery
 
 import (
 	"context"
-	"encoding/json"
-	"errors"
 	"flag"
 	"fmt"
 	"io/ioutil"
@@ -86,7 +84,6 @@ func getDbStore(nodeID string) (*state.DBStore, error) {
 var (
 	nodeCount       = flag.Int("nodes", 10, "number of nodes to create (default 10)")
 	initCount       = flag.Int("conns", 1, "number of originally connected peers	 (default 1)")
-	snapshotFile    = flag.String("snapshot", "", "path to create snapshot file in")
 	loglevel        = flag.Int("loglevel", 3, "verbosity of logs")
 	rawlog          = flag.Bool("rawlog", false, "remove terminal formatting from logs")
 	serviceOverride = flag.String("services", "", "remove or add services to the node snapshot; prefix with \"+\" to add, \"-\" to remove; example: +pss,-discovery")
@@ -296,40 +293,6 @@ func discoverySimulation(nodes, conns int, adapter adapters.NodeAdapter) (*simul
 	if result.Error != nil {
 		return result, nil
 	}
-
-	if *snapshotFile != "" {
-		var err error
-		var snap *simulations.Snapshot
-		if len(*serviceOverride) > 0 {
-			var addServices []string
-			var removeServices []string
-			for _, osvc := range strings.Split(*serviceOverride, ",") {
-				if strings.Index(osvc, "+") == 0 {
-					addServices = append(addServices, osvc[1:])
-				} else if strings.Index(osvc, "-") == 0 {
-					removeServices = append(removeServices, osvc[1:])
-				} else {
-					panic("stick to the rules, you know what they are")
-				}
-			}
-			snap, err = net.SnapshotWithServices(addServices, removeServices)
-		} else {
-			snap, err = net.Snapshot()
-		}
-
-		if err != nil {
-			return nil, errors.New("no shapshot dude")
-		}
-		jsonsnapshot, err := json.Marshal(snap)
-		if err != nil {
-			return nil, fmt.Errorf("corrupt json snapshot: %v", err)
-		}
-		log.Info("writing snapshot", "file", *snapshotFile)
-		err = ioutil.WriteFile(*snapshotFile, jsonsnapshot, 0755)
-		if err != nil {
-			return nil, err
-		}
-	}
 	return result, nil
 }