enforce min & max lease period

x/cosmostest/auctionconfig/config.go

@@ -1,10 +1,12 @@
 package auctionconfig
 
-// Length of the auction in blocks-- currently 10.
-// Assuming a block time of 3sec, this should be ~30sec.
 const (
 	// Times
-	AuctionTime = 10
+	AuctionTime = 10 // 10 blocks = ~10-30 seconds
+
+	// Lease Period Requirements (seconds)
+	MinLeasePeriod = 3_600     // 1 hour
+	MaxLeasePeriod = 8_035_200 // 3 months
 
 	// Gas Fees
 	AuctionGas = 10