Use runtime storage in PoA -> Substrate module tests (#103)

* removeInMemoryStorage + extract Kovan stuff to runtime

* removed comment from the future

* remove redundant conversions

* remove redundant `u8 as usize`

* remove redundant `u8 as usize`

* Update modules/ethereum/src/mock.rs

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* use hex-literal in kovan config

* cargo fmt --all

* extracted insert_header

* cargo fmt --all

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

bridges/bin/node/runtime/src/kovan.rs

@@ -0,0 +1,104 @@
+// Copyright 2019-2020 Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common.  If not, see <http://www.gnu.org/licenses/>.
+
+use hex_literal::hex;
+use pallet_bridge_eth_poa::{AuraConfiguration, ValidatorsConfiguration, ValidatorsSource};
+use sp_bridge_eth_poa::{Address, Header, U256};
+use sp_std::prelude::*;
+
+/// Aura engine configuration for Kovan chain.
+pub fn kovan_aura_configuration() -> AuraConfiguration {
+	AuraConfiguration {
+		empty_steps_transition: u64::max_value(),
+		strict_empty_steps_transition: 0,
+		validate_step_transition: 0x16e360,
+		validate_score_transition: 0x41a3c4,
+		two_thirds_majority_transition: u64::max_value(),
+		min_gas_limit: 0x1388.into(),
+		max_gas_limit: U256::max_value(),
+		maximum_extra_data_size: 0x20,
+	}
+}
+
+/// Validators configuration for Kovan chain.
+pub fn kovan_validators_configuration() -> ValidatorsConfiguration {
+	ValidatorsConfiguration::Multi(vec![
+		(0, ValidatorsSource::List(kovan_genesis_validators())),
+		(
+			10960440,
+			ValidatorsSource::List(vec![
+				hex!("00D6Cc1BA9cf89BD2e58009741f4F7325BAdc0ED").into(),
+				hex!("0010f94b296a852aaac52ea6c5ac72e03afd032d").into(),
+				hex!("00a0a24b9f0e5ec7aa4c7389b8302fd0123194de").into(),
+			]),
+		),
+		(
+			10960500,
+			ValidatorsSource::Contract(
+				hex!("aE71807C1B0a093cB1547b682DC78316D945c9B8").into(),
+				vec![
+					hex!("d05f7478c6aa10781258c5cc8b4f385fc8fa989c").into(),
+					hex!("03801efb0efe2a25ede5dd3a003ae880c0292e4d").into(),
+					hex!("a4df255ecf08bbf2c28055c65225c9a9847abd94").into(),
+					hex!("596e8221a30bfe6e7eff67fee664a01c73ba3c56").into(),
+					hex!("faadface3fbd81ce37b0e19c0b65ff4234148132").into(),
+				],
+			),
+		),
+	])
+}
+
+/// Genesis validators set of Kovan chain.
+pub fn kovan_genesis_validators() -> Vec<Address> {
+	vec![
+		hex!("00D6Cc1BA9cf89BD2e58009741f4F7325BAdc0ED").into(),
+		hex!("00427feae2419c15b89d1c21af10d1b6650a4d3d").into(),
+		hex!("4Ed9B08e6354C70fE6F8CB0411b0d3246b424d6c").into(),
+		hex!("0020ee4Be0e2027d76603cB751eE069519bA81A1").into(),
+		hex!("0010f94b296a852aaac52ea6c5ac72e03afd032d").into(),
+		hex!("007733a1FE69CF3f2CF989F81C7b4cAc1693387A").into(),
+		hex!("00E6d2b931F55a3f1701c7389d592a7778897879").into(),
+		hex!("00e4a10650e5a6D6001C38ff8E64F97016a1645c").into(),
+		hex!("00a0a24b9f0e5ec7aa4c7389b8302fd0123194de").into(),
+	]
+}
+
+/// Genesis header of the Kovan chain.
+pub fn kovan_genesis_header() -> Header {
+	Header {
+		parent_hash: Default::default(),
+		timestamp: 0,
+		number: 0,
+		author: Default::default(),
+		transactions_root: hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421").into(),
+		uncles_hash: hex!("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347").into(),
+		extra_data: vec![],
+		state_root: hex!("2480155b48a1cea17d67dbfdfaafe821c1d19cdd478c5358e8ec56dec24502b2").into(),
+		receipts_root: hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421").into(),
+		log_bloom: Default::default(),
+		gas_used: Default::default(),
+		gas_limit: 6000000.into(),
+		difficulty: 131072.into(),
+		seal: vec![
+			vec![128].into(),
+			vec![
+				184, 65, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			]
+			.into(),
+		],
+	}
+}

bridges/bin/node/runtime/src/lib.rs

@@ -24,6 +24,8 @@
 #[cfg(feature = "std")]
 include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
+pub mod kovan;
+
 use codec::{Decode, Encode};
 use pallet_grandpa::fg_primitives;
 use pallet_grandpa::AuthorityList as GrandpaAuthorityList;
@@ -204,7 +206,14 @@ impl pallet_aura::Trait for Runtime {
 	type AuthorityId = AuraId;
 }
 
+parameter_types! {
+	pub const KovanAuraConfiguration: pallet_bridge_eth_poa::AuraConfiguration = kovan::kovan_aura_configuration();
+	pub const KovanValidatorsConfiguration: pallet_bridge_eth_poa::ValidatorsConfiguration = kovan::kovan_validators_configuration();
+}
+
 impl pallet_bridge_eth_poa::Trait for Runtime {
+	type AuraConfiguration = KovanAuraConfiguration;
+	type ValidatorsConfiguration = KovanValidatorsConfiguration;
 	type OnHeadersSubmitted = ();
 }