srml-contracts: Fix values used for state rent (#3550)

* Fix units for srml-contracts

* Bump node runtime version.

node/runtime/src/lib.rs

@@ -360,6 +360,10 @@ parameter_types! {
 	pub const ContractTransactionBaseFee: Balance = 1 * CENTS;
 	pub const ContractTransactionByteFee: Balance = 10 * MILLICENTS;
 	pub const ContractFee: Balance = 1 * CENTS;
+	pub const TombstoneDeposit: Balance = 1 * DOLLARS;
+	pub const RentByteFee: Balance = 1 * DOLLARS;
+	pub const RentDepositOffset: Balance = 1000 * DOLLARS;
+	pub const SurchargeReward: Balance = 150 * DOLLARS;
 }
 
 impl contracts::Trait for Runtime {
@@ -371,11 +375,11 @@ impl contracts::Trait for Runtime {
 	type TrieIdGenerator = contracts::TrieIdFromParentCounter<Runtime>;
 	type GasPayment = ();
 	type SignedClaimHandicap = contracts::DefaultSignedClaimHandicap;
-	type TombstoneDeposit = contracts::DefaultTombstoneDeposit;
+	type TombstoneDeposit = TombstoneDeposit;
 	type StorageSizeOffset = contracts::DefaultStorageSizeOffset;
-	type RentByteFee = contracts::DefaultRentByteFee;
-	type RentDepositOffset = contracts::DefaultRentDepositOffset;
-	type SurchargeReward = contracts::DefaultSurchargeReward;
+	type RentByteFee = RentByteFee;
+	type RentDepositOffset = RentDepositOffset;
+	type SurchargeReward = SurchargeReward;
 	type TransferFee = ContractTransferFee;
 	type CreationFee = ContractCreationFee;
 	type TransactionBaseFee = ContractTransactionBaseFee;