use deal duration from actor

build/params_shared_vals.go

@@ -118,5 +118,5 @@ const PackingEfficiencyNum = 4
 const PackingEfficiencyDenom = 5
 
 // Actor consts
-// TODO: Pull from actors when its made not private
-var MinDealDuration = abi.ChainEpoch(180 * builtin2.EpochsInDay)
+// TODO: pieceSize unused from actors
+var MinDealDuration, MaxDealDuration = policy.DealDurationBounds(0)

build/params_testground.go

@@ -72,8 +72,8 @@ var (
 	}()
 
 	// Actor consts
-	// TODO: Pull from actors when its made not private
-	MinDealDuration = abi.ChainEpoch(180 * builtin2.EpochsInDay)
+	// TODO: pieceSize unused from actors
+	MinDealDuration, MaxDealDuration = policy.DealDurationBounds(0)
 
 	PackingEfficiencyNum   int64 = 4
 	PackingEfficiencyDenom int64 = 5

chain/actors/policy/policy.go

@@ -108,6 +108,10 @@ func DealProviderCollateralBounds(
 	}
 }
 
+func DealDurationBounds(pieceSize abi.PaddedPieceSize) (min, max abi.ChainEpoch) {
+	return market2.DealDurationBounds(pieceSize)
+}
+
 // Sets the challenge window and scales the proving period to match (such that
 // there are always 48 challenge windows in a proving period).
 func SetWPoStChallengeWindow(period abi.ChainEpoch) {

cli/client.go

@@ -387,6 +387,9 @@ var clientDealCmd = &cli.Command{
 		if abi.ChainEpoch(dur) < build.MinDealDuration {
 			return xerrors.Errorf("minimum deal duration is %d blocks", build.MinDealDuration)
 		}
+		if abi.ChainEpoch(dur) > build.MaxDealDuration {
+			return xerrors.Errorf("maximum deal duration is %d blocks", build.MaxDealDuration)
+		}
 
 		var a address.Address
 		if from := cctx.String("from"); from != "" {