change to 2 second mining time (#234)

cicd/devnet/terraform/ecs.tf

@@ -28,7 +28,7 @@ resource "aws_ecs_task_definition" "devnet_task_definition_group" {
   # Please set it back to cpu 256 and memory of 2048 after sync is done to save the cost
   # cpu = 256
   # memory = 2048
-  cpu = 1024
+  cpu = 512
   memory = 4096
   volume {
     name = "efs"

params/config.go

@@ -118,6 +118,14 @@ var (
 			WaitPeriod:           10,
 			MinePeriod:           10,
 		},
+		843800: {
+			SwitchRound:          843800,
+			CertThreshold:        73, // based on masternode is 108
+			TimeoutSyncThreshold: 5,
+			TimeoutPeriod:        25,
+			WaitPeriod:           2,
+			MinePeriod:           2,
+		},
 	}
 
 	UnitTestV2Configs = map[uint64]*V2Config{