Workaround dial error in go test

docker/dev.Dockerfile

@@ -5,4 +5,4 @@ RUN apk add git python3 make
 RUN go get -d -v .
 RUN make deps
 
-CMD ["sh"]
+CMD ["sh"]

main.go

@@ -27,14 +27,15 @@ import (
 )
 
 type ShardIDType = int64
+type PBInt = int64
 
 const numShards ShardIDType = 100
 
-func makeKey(seed int64) (ic.PrivKey, peer.ID, error) {
+func makeKey(seed int) (ic.PrivKey, peer.ID, error) {
 	// If the seed is zero, use real cryptographic randomness. Otherwise, use a
 	// deterministic randomness source to make generated keys stay the same
 	// across multiple runs
-	r := mrand.New(mrand.NewSource(seed))
+	r := mrand.New(mrand.NewSource(int64(seed)))
 	// r := rand.Reader
 
 	// Generate a key pair for this host. We will use it at least
@@ -57,7 +58,7 @@ func makeKey(seed int64) (ic.PrivKey, peer.ID, error) {
 func makeNode(
 	ctx context.Context,
 	listenPort int,
-	randseed int64,
+	randseed int,
 	doBootstrapping bool,
 	bootstrapPeers []pstore.PeerInfo) (*Node, error) {
 	// FIXME: should be set to localhost if we don't want to expose it to outside
@@ -117,7 +118,7 @@ func main() {
 
 	// Parse options from the command line
 
-	seed := flag.Int64("seed", 0, "set random seed for id generation")
+	seed := flag.Int("seed", 0, "set random seed for id generation")
 	listenPort := flag.Int(
 		"port",
 		defaultListenPort,
@@ -146,7 +147,7 @@ func main() {
 
 func runServer(
 	listenPort int,
-	seed int64,
+	seed int,
 	doBootstrapping bool,
 	bootnodes []pstore.PeerInfo,
 	rpcAddr string) {
@@ -178,7 +179,7 @@ func runClient(rpcAddr string, cliArgs []string) {
 		}
 		targetIP := rpcArgs[0]
 		targetPort, err := strconv.Atoi(rpcArgs[1])
-		targetSeed, err := strconv.ParseInt(rpcArgs[2], 10, 64)
+		targetSeed, err := strconv.Atoi(rpcArgs[2])
 		if err != nil {
 			panic(err)
 		}

main_test.go

@@ -12,6 +12,8 @@ import (
 	// gologging "github.com/whyrusleeping/go-logging"
 )
 
+var nodeCount int
+
 func makeUnbootstrappedNode(t *testing.T, ctx context.Context, number int) *Node {
 	return makeTestingNode(t, ctx, number, false, nil)
 }
@@ -22,8 +24,12 @@ func makeTestingNode(
 	number int,
 	doBootstrapping bool,
 	bootstrapPeers []pstore.PeerInfo) *Node {
-	listeningPort := number + 10000
-	node, err := makeNode(ctx, listeningPort, int64(number), doBootstrapping, bootstrapPeers)
+	// FIXME:
+	//		1. Use 20000 to avoid conflitcs with the running nodes in the environment
+	//		2. Avoid reuse of listeningPort in the entire test, to avoid `dial error`s
+	listeningPort := 20000 + nodeCount
+	nodeCount++
+	node, err := makeNode(ctx, listeningPort, number, doBootstrapping, bootstrapPeers)
 	if err != nil {
 		t.Error("Failed to create node")
 	}
@@ -253,12 +259,12 @@ func TestRequestCollation(t *testing.T) {
 	defer cancel()
 	node0, node1 := makePeerNodes(t, ctx)
 	shardID := ShardIDType(1)
-	period := int64(42)
+	period := 42
 	collation, err := node0.requestCollation(ctx, node1.ID(), shardID, period, "2")
 	if err != nil {
 		t.Error("request collation failed")
 	}
-	if collation.ShardID != shardID || collation.Period != period {
+	if collation.ShardID != shardID || collation.Period != PBInt(period) {
 		t.Errorf(
 			"responded collation does not correspond to the request: collation.ShardID=%v, request.shardID=%v, collation.Period=%v, request.period=%v",
 			collation.ShardID,

node.go

@@ -10,7 +10,7 @@ import (
 )
 
 // node client version
-const clientVersion = "go-p2p-node/0.0.1"
+const clientVersion = "sharding-p2p-node/0.0.1"
 
 // Node type - a p2p host implementing one or more p2p protocols
 type Node struct {

pb/rpc/rpc.proto

@@ -15,7 +15,7 @@ service Poc {
 // AddPeer
 message RPCAddPeerReq {
   string ip = 1;
-  int32 port = 2;
+  int64 port = 2;
   int64 seed = 3;
 }
 
@@ -37,14 +37,20 @@ message RPCGetSubscribedShardReply {
 // BroadcastCollation
 message RPCBroadcastCollationReq {
   int64 shardID = 1;
-  int32 number = 2;
-  int32 size = 3;
-  int32 period = 4;
+  int64 number = 2;
+  int64 size = 3;
+  int64 period = 4;
+}
+// RequestCollation
+message RPCRequestCollationReq {
+  int64 shardID = 1;
+  int64 period = 4;
 }
 // StopServer
 message RPCStopServerReq {
 }
 
+
 message RPCReply {
   string message = 1;
   bool status = 2;