Do not join if neighborhood is empty

fuzz-client/aqua/timestamp_gatherer.aqua

@@ -31,42 +31,6 @@ func collect_timestamps_from_neighborhood() -> []u64, []PeerId:
     
     -- wait for all nodes to respond or timeout
     length <- Op.array_length(nodes)
+    if length != 0:
       join statuses[length - 1]
   <- timestamps, dead_peers
-
-
-
--- -- timestamp getter with error collector over neighborhood 
--- func ts_getter_with_timeout()-> []u64, []string:
---   -- timeout in ms
---   rtt  = 1000
-
---   res: *u64
-
---   -- error value for no timestamp
---   err_value = 0
-
---   -- neighborhood n = 20 decr by 1 for array 
---   n_neighborhood = 19
-
---   -- err message
---   msg = "timeout"
-  
---   -- collect non-responsive peer ids, if any
---   dead_peers: *string
---   on HOST_PEER_ID:
---     k <- Op.string_to_b58(HOST_PEER_ID)
---     nodes <- Kademlia.neighborhood(k, nil, nil)
---     for n <- nodes par:
---         status: *string
---         on n:
---             res <- Peer.timestamp_ms()
---             status <<- "success"
---         par status <- Peer.timeout(rtt, msg)
---         if status! != "success":
---           res <<- err_value
---           dead_peers <<- n
---         Op.noop()
-        
---     join res[n_neighborhood]
---   <- res, dead_peers

fuzz-client/package.json

@@ -20,7 +20,8 @@
   "scripts": {
     "start": "node -r ts-node/register src/index.ts",
     "compile-aqua": "aqua -i aqua -o src/_aqua/",
-    "watch-aqua": "chokidar \"**/*.aqua\" -c \"npm run compile-aqua\""
+    "watch-aqua": "chokidar \"**/*.aqua\" -c \"npm run compile-aqua\"",
+    "buildpush": "docker build -f docker/Dockerfile -t fluencelabs/anti-fuzz . && docker push fluencelabs/anti-fuzz"
   },
   "keywords": [
     "aqua",

fuzz-client/src/_aqua/timestamp_gatherer.ts

@@ -43,7 +43,6 @@ export function collect_timestamps_from_neighborhood(...args: any) {
                             (xor
                              (seq
                               (seq
-                               (seq
                                (seq
                                 (seq
                                  (call -relay- ("op" "string_to_b58") [-relay-] k)
@@ -89,12 +88,21 @@ export function collect_timestamps_from_neighborhood(...args: any) {
                                )
                                (call -relay- ("op" "array_length") [nodes] length)
                               )
+                              (xor
+                               (mismatch length 0
+                                (xor
+                                 (seq
                                   (call -relay- ("math" "sub") [length 1] sub)
-                              )
                                   (call -relay- ("op" "noop") [$statuses.$.[sub]!])
                                  )
                                  (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 2])
                                 )
+                               )
+                               (null)
+                              )
+                             )
+                             (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 3])
+                            )
                             (call %init_peer_id% ("op" "identity") [$dead_peers] dead_peers-fix)
                            )
                           )
@@ -105,11 +113,11 @@ export function collect_timestamps_from_neighborhood(...args: any) {
                       )
                       (xor
                        (call %init_peer_id% ("callbackSrv" "response") [timestamps-fix dead_peers-fix])
-                       (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 3])
-                      )
-                     )
                        (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 4])
                       )
+                     )
+                     (call %init_peer_id% ("errorHandlingSrv" "error") [%last_error% 5])
+                    )
     `
     return callFunction(
         args,