diff --git a/demo/executor/src/lib.rs b/demo/executor/src/lib.rs
index 83f64f35169fd..1c1631bea071b 100644
--- a/demo/executor/src/lib.rs
+++ b/demo/executor/src/lib.rs
@@ -237,6 +237,7 @@ mod tests {
 			council: Some(Default::default()),
 			timestamp: Some(Default::default()),
 			treasury: Some(Default::default()),
+			contract: Some(Default::default()),
 		}.build_storage().unwrap().into()
 	}
 
@@ -262,7 +263,7 @@ mod tests {
 		construct_block(
 			1,
 			[69u8; 32].into(),
-			hex!("c2fcc528c92b3c958b0e0914f26e05f151903ed43c87f29b20f9c8f0450d7484").into(),
+			hex!("1f058f699ad3187bcf7e9ed8e44464d7a5added0cd912d2679b9dab2e7a04053").into(),
 			vec![
 				CheckedExtrinsic {
 					signed: None,
@@ -282,7 +283,7 @@ mod tests {
 		construct_block(
 			2,
 			block1().1,
-			hex!("62e5879f10338fa6136161c60ae0ffc35936f7b8c3fdb38095ddd0e044309762").into(),
+			hex!("29fa1d0aa83662c571315af54b106c73823a31f759793803bf8929960b67b138").into(),
 			vec![
 				CheckedExtrinsic {
 					signed: None,
@@ -307,7 +308,7 @@ mod tests {
 		construct_block(
 			1,
 			[69u8; 32].into(),
-			hex!("789b19bc7beaa83ae70412f65ad0ac02435fd79e0226ba3394865a052e56fbd8").into(),
+			hex!("fe0e07c7b054fe186387461d455d536860e9c71d6979fd9dbf755e96ce070d04").into(),
 			vec![
 				CheckedExtrinsic {
 					signed: None,
diff --git a/demo/runtime/src/lib.rs b/demo/runtime/src/lib.rs
index c0502eed0460f..5c630342e0c30 100644
--- a/demo/runtime/src/lib.rs
+++ b/demo/runtime/src/lib.rs
@@ -278,6 +278,7 @@ impl_outer_config! {
 	pub struct GenesisConfig for Runtime {
 		SystemConfig => system,
 		ConsensusConfig => consensus,
+		ContractConfig => contract,
 		BalancesConfig => balances,
 		TimestampConfig => timestamp,
 		SessionConfig => session,
diff --git a/demo/service/src/chain_spec.rs b/demo/service/src/chain_spec.rs
index bd232ce1a124c..84d0084da8850 100644
--- a/demo/service/src/chain_spec.rs
+++ b/demo/service/src/chain_spec.rs
@@ -19,7 +19,8 @@
 use ed25519;
 use primitives::AuthorityId;
 use demo_runtime::{GenesisConfig, ConsensusConfig, CouncilConfig, DemocracyConfig,
-	SessionConfig, StakingConfig, TimestampConfig, BalancesConfig, TreasuryConfig, Permill};
+	SessionConfig, StakingConfig, TimestampConfig, BalancesConfig, TreasuryConfig,
+	ContractConfig, Permill};
 use service::ChainSpec;
 
 const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
@@ -98,6 +99,14 @@ fn staging_testnet_config_genesis() -> GenesisConfig {
 			spend_period: 12 * 60 * 24,
 			burn: Permill::from_percent(50),
 		}),
+		contract: Some(ContractConfig {
+			contract_fee: 21,
+			call_base_fee: 135,
+			create_base_fee: 175,
+			gas_price: 1,
+			max_depth: 1024,
+			block_gas_limit: 10_000_000,
+		}),
 	}
 }
 
@@ -183,6 +192,14 @@ fn testnet_genesis(initial_authorities: Vec<AuthorityId>) -> GenesisConfig {
 			spend_period: 12 * 60 * 24,
 			burn: Permill::from_percent(50),
 		}),
+		contract: Some(ContractConfig {
+			contract_fee: 21,
+			call_base_fee: 135,
+			create_base_fee: 175,
+			gas_price: 1,
+			max_depth: 1024,
+			block_gas_limit: 10_000_000,
+		}),
 	}
 }
 
diff --git a/substrate/runtime/contract/src/genesis_config.rs b/substrate/runtime/contract/src/genesis_config.rs
index 2d9a50573a672..698e4360f5e77 100644
--- a/substrate/runtime/contract/src/genesis_config.rs
+++ b/substrate/runtime/contract/src/genesis_config.rs
@@ -21,6 +21,7 @@
 use {Trait, ContractFee, CallBaseFee, CreateBaseFee, GasPrice, MaxDepth, BlockGasLimit};
 
 use runtime_primitives;
+use runtime_primitives::traits::As;
 use runtime_io::{self, twox_128};
 use runtime_support::StorageValue;
 use codec::Encode;
@@ -39,6 +40,19 @@ pub struct GenesisConfig<T: Trait> {
 	pub block_gas_limit: T::Gas,
 }
 
+impl<T: Trait> Default for GenesisConfig<T> {
+	fn default() -> Self {
+		GenesisConfig {
+			contract_fee: T::Balance::sa(21),
+			call_base_fee: T::Gas::sa(135),
+			create_base_fee: T::Gas::sa(175),
+			gas_price: T::Balance::sa(1),
+			max_depth: 100,
+			block_gas_limit: T::Gas::sa(1_000_000),
+		}
+	}
+}
+
 impl<T: Trait> runtime_primitives::BuildStorage for GenesisConfig<T> {
 	fn build_storage(self) -> ::std::result::Result<HashMap<Vec<u8>, Vec<u8>>, String> {
 		let r: runtime_io::TestExternalities<Blake2Hasher> = map![