define new test case for drand-halting

lotus-soup/compositions/composition-drand-halt.toml

@@ -4,7 +4,7 @@
 
 [global]
   plan = "lotus-soup"
-  case = "lotus-baseline"
+  case = "drand-halting"
   total_instances = 6
   builder = "docker:go"
   runner = "local:docker"
@@ -73,4 +73,4 @@
       drand_period = "1s"
       drand_halt_duration = "20s"
       drand_halt_begin = "10s"
-      drand_log_level = "info"
+      drand_log_level = "none"

lotus-soup/main.go

@@ -9,6 +9,7 @@ import (
 
 var testplans = map[string]interface{}{
 	"lotus-baseline": doRun(basicRoles),
+	"drand-halting": doRun(basicRoles),
 }
 
 func main() {

lotus-soup/manifest.toml

@@ -39,11 +39,32 @@ instances = { min = 1, max = 100, default = 5 }
   drand_threshold = { type = "int", default = 2 }
   drand_gossip_relay = { type = "bool", default = true }
   drand_halt_duration = { type = "duration", default="0", desc = "how long to halt drand chain before resuming" }
+
+
+[[testcases]]
+name = "drand-halting"
+instances = { min = 1, max = 100, default = 5 }
+
+  [testcases.params]
+  clients = { type = "int", default = 1 }
+  miners = { type = "int", default = 1 }
+  balance = { type = "int", default = 1 }
+  sectors = { type = "int", default = 1 }
+  role = { type = "string" }
+
+  random_beacon_type = { type = "enum", default = "local-drand", options = ["mock", "local-drand", "external-drand"] }
+
+  # Params relevant to drand nodes. drand nodes should have role="drand", and must all be
+  # in the same composition group. There must be at least threshold drand nodes.
+  # To get lotus nodes to actually use the drand nodes, you must set random_beacon_type="local-drand"
+  # for the lotus node groups.
+  drand_period = { type = "duration", default="10s" }
+  drand_threshold = { type = "int", default = 2 }
+  drand_gossip_relay = { type = "bool", default = true }
+  drand_halt_duration = { type = "duration", default="30s", desc = "how long to halt drand chain before resuming" }
   drand_halt_begin = { type = "duration", default="1m", desc = "when to start drand halting (relative to test start time)"}
   drand_log_level = { type = "string", default="info" }
-
   # Params relevant to pubsub tracing
   enable_pubsub_tracer = { type = "bool", default = false }
-
   # Mining Mode: synchronized -vs- natural time
   mining_mode = { type = "enum", default = "synchronized", options = ["synchronized", "natural"] }

lotus-soup/role_drand.go

@@ -144,7 +144,10 @@ func runDrandNode(t *TestEnvironment) error {
 	ctx := context.Background()
 	t.SyncClient.MustSignalAndWait(ctx, stateReady, t.TestInstanceCount)
 
-	haltDuration := t.DurationParam("drand_halt_duration")
+	haltDuration := time.Duration(0)
+	if t.IsParamSet("drand_halt_duration") {
+		haltDuration = t.DurationParam("drand_halt_duration")
+	}
 	if haltDuration != 0 {
 		startTime := t.DurationParam("drand_halt_begin")
 		time.AfterFunc(startTime, func() {