lib.rs

#![cfg_attr(not(feature = "std"), no_std)]
// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
#![recursion_limit = "256"]

// Make the WASM binary available.
#[cfg(feature = "std")]
include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));

use codec::{Encode, Decode};
use sp_api::impl_runtime_apis;
use sp_consensus_aura::sr25519::AuthorityId as AuraId;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata, U256, H160, H256};
use sp_runtime::{
	create_runtime_str, generic,
	traits::{
		AccountIdLookup, BlakeTwo256, Block as BlockT, IdentifyAccount, One, Verify,
		Dispatchable, PostDispatchInfoOf, DispatchInfoOf, UniqueSaturatedInto,
	},
	transaction_validity::{
		TransactionSource, TransactionValidity, TransactionValidityError, InvalidTransaction,
	},
	ApplyExtrinsicResult, MultiSignature,
};
use frame_system::{EnsureRoot};
use sp_std::prelude::*;
#[cfg(feature = "std")]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;


use pallet_evm::{
	EnsureAddressRoot, EnsureAddressNever, HashedAddressMapping, Account as EVMAccount, Runner,
	FeeCalculator,
};

use pallet_ethereum::{Call::transact, EthereumBlockHashMapping, Transaction as EthereumTransaction};
use fp_rpc::TransactionStatus;
// pub use this so we can import it in the chain spec.
#[cfg(feature = "std")]
pub use fp_evm::GenesisAccount;


// A few exports that help ease life for downstream crates.
pub use frame_support::{
	construct_runtime, parameter_types, Callable,
	PalletId,
	traits::{
		ConstU128, ConstU32, ConstU64, ConstU8, KeyOwnerProofSystem, Randomness, StorageInfo,
		EitherOfDiverse, IsSubType, Nothing,
	},
	weights::{
		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
		IdentityFee, Weight,
	},
	StorageValue,
};
pub use frame_system::Call as SystemCall;
pub use pallet_balances::Call as BalancesCall;
use pallet_balances::weights::SubstrateWeight;
pub use pallet_timestamp::Call as TimestampCall;
use pallet_transaction_payment::{ConstFeeMultiplier, CurrencyAdapter, Multiplier};
use pallet_contracts::DefaultContractAccessWeight;
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;
pub use sp_runtime::{Perbill, Permill, Percent};

pub mod constants;

use constants::{currency::*, time::*};

/// Import the template pallet.
pub use pallet_template;

/// An index to a block.
pub type BlockNumber = u32;

/// Alias to 512-bit hash when used in the context of a transaction signature on the chain.
pub type Signature = MultiSignature;

/// Some way of identifying an account on the chain. We intentionally make it equivalent
/// to the public key of our transaction signing scheme.
pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;

/// Balance of an account.
pub type Balance = u128;

/// Index of a transaction in the chain.
pub type Index = u32;

/// A hash of some data used by the chain.
pub type Hash = sp_core::H256;

pub mod issuance;
pub mod block_author;
pub mod utxo;

/// Opaque types. These are used by the CLI to instantiate machinery that don't need to know
/// the specifics of the runtime. They can then be made to be agnostic over specific formats
/// of data like extrinsics, allowing for them to continue syncing the network through upgrades
/// to even the core data structures.
pub mod opaque {
	use super::*;

	pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;

	/// Opaque block header type.
	pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
	/// Opaque block type.
	pub type Block = generic::Block<Header, UncheckedExtrinsic>;
	/// Opaque block identifier type.
	pub type BlockId = generic::BlockId<Block>;

	// impl_opaque_keys! {
	// 	pub struct SessionKeys {
	// 		// pub aura: Aura,
	// 		pub grandpa: Grandpa,
	// 	}
	// }
}

// To learn more about runtime versioning, see:
// https://docs.substrate.io/main-docs/build/upgrade#runtime-versioning
#[sp_version::runtime_version]
pub const VERSION: RuntimeVersion = RuntimeVersion {
	spec_name: create_runtime_str!("node-template"),
	impl_name: create_runtime_str!("node-template"),
	authoring_version: 1,
	// The version of the runtime specification. A full node will not attempt to use its native
	//   runtime in substitute for the on-chain Wasm runtime unless all of `spec_name`,
	//   `spec_version`, and `authoring_version` are the same between Wasm and native.
	// This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
	//   the compatible custom types.
	spec_version: 100,
	impl_version: 1,
	apis: RUNTIME_API_VERSIONS,
	transaction_version: 1,
	state_version: 1,
};

/// This determines the average expected block time that we are targeting.
/// Blocks will be produced at a minimum duration defined by `SLOT_DURATION`.
/// `SLOT_DURATION` is picked up by `pallet_timestamp` which is in turn picked
/// up by `pallet_aura` to implement `fn slot_duration()`.
///
/// Change this to adjust the block time.
pub const MILLISECS_PER_BLOCK: u64 = 10000;

// NOTE: Currently it is not possible to change the slot duration after the chain has started.
//       Attempting to do so will brick block production.
pub const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;

// Time is measured by number of blocks.
pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
pub const HOURS: BlockNumber = MINUTES * 60;
pub const DAYS: BlockNumber = HOURS * 24;

const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(10);
const CONTRACTS_DEBUG_OUTPUT: bool = true;

/// The version information used to identify this runtime when compiled natively.
#[cfg(feature = "std")]
pub fn native_version() -> NativeVersion {
	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
}

const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
/// We allow for 2 seconds of compute with a 6 second average block time.
pub const MAXIMUM_BLOCK_WEIGHT: Weight = WEIGHT_PER_SECOND.saturating_mul(2);
const WEIGHT_PER_GAS: u64 = 20_000;

mod precompiles;

use precompiles::SubstratePrecompiles;

parameter_types! {
	pub const BlockHashCount: BlockNumber = 2400;
	pub const Version: RuntimeVersion = VERSION;
	/// We allow for 2 seconds of compute with a 6 second average block time.
	pub BlockWeights: frame_system::limits::BlockWeights = frame_system::limits::BlockWeights
		::with_sensible_defaults(2u64 * WEIGHT_PER_SECOND, NORMAL_DISPATCH_RATIO);
	pub BlockLength: frame_system::limits::BlockLength = frame_system::limits::BlockLength
		::max_with_normal_ratio(5 * 1024 * 1024, NORMAL_DISPATCH_RATIO);
	pub const SS58Prefix: u8 = 42;
}

// Configure FRAME pallets to include in runtime.

impl frame_system::Config for Runtime {
	/// The basic call filter to use in dispatchable.
	type BaseCallFilter = frame_support::traits::Everything;
	/// Block & extrinsics weights: base values and limits.
	type BlockWeights = BlockWeights;
	/// The maximum length of a block (in bytes).
	type BlockLength = BlockLength;
	/// The ubiquitous origin type.
	type RuntimeOrigin = RuntimeOrigin;
	/// The aggregated dispatch type that is available for extrinsics.
	type RuntimeCall = RuntimeCall;
	/// The index type for storing how many extrinsics an account has signed.
	type Index = Index;
	/// The index type for blocks.
	type BlockNumber = BlockNumber;
	/// The type for hashing blocks and tries.
	type Hash = Hash;
	/// The hashing algorithm used.
	type Hashing = BlakeTwo256;
	/// The identifier used to distinguish between accounts.
	type AccountId = AccountId;
	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
	type Lookup = AccountIdLookup<AccountId, ()>;
	/// The header type.
	type Header = generic::Header<BlockNumber, BlakeTwo256>;
	/// The ubiquitous event type.
	type RuntimeEvent = RuntimeEvent;
	/// Maximum number of block number to block hash mappings to keep (oldest pruned first).
	type BlockHashCount = BlockHashCount;
	/// The weight of database operations that the runtime can invoke.
	type DbWeight = RocksDbWeight;
	/// Version of the runtime.
	type Version = Version;
	/// Converts a module to the index of the module in `construct_runtime!`.
	///
	/// This type is being generated by `construct_runtime!`.
	type PalletInfo = PalletInfo;
	/// The data to be stored in an account.
	type AccountData = pallet_balances::AccountData<Balance>;
	/// What to do if a new account is created.
	type OnNewAccount = ();
	/// What to do if an account is fully reaped from the system.
	type OnKilledAccount = ();
	/// Weight information for the extrinsics of this pallet.
	type SystemWeightInfo = ();
	/// This is used as an identifier of the chain. 42 is the generic substrate prefix.
	type SS58Prefix = SS58Prefix;
	/// The set code logic, just the default since we're not a parachain.
	type OnSetCode = ();
	type MaxConsumers = frame_support::traits::ConstU32<16>;
}

impl pallet_randomness_collective_flip::Config for Runtime {}

impl pallet_aura::Config for Runtime {
	type AuthorityId = AuraId;
	type MaxAuthorities = ConstU32<32>;
	type DisabledValidators = ();
}

// impl pallet_grandpa::Config for Runtime {
// 	type RuntimeEvent = RuntimeEvent;
//
// 	type KeyOwnerProof =
// 	<Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(KeyTypeId, GrandpaId)>>::Proof;
//
// 	type KeyOwnerIdentification = <Self::KeyOwnerProofSystem as KeyOwnerProofSystem<(
// 		KeyTypeId,
// 		GrandpaId,
// 	)>>::IdentificationTuple;
//
// 	type KeyOwnerProofSystem = ();
//
// 	type HandleEquivocation = ();
//
// 	type WeightInfo = ();
// 	type MaxAuthorities = ConstU32<32>;
// }

impl pallet_timestamp::Config for Runtime {
	/// A timestamp: milliseconds since the unix epoch.
	type Moment = u64;
	type OnTimestampSet = ();
	type MinimumPeriod = ConstU64<{ SLOT_DURATION / 2 }>;
	type WeightInfo = ();
}

/// Existential deposit.
pub const EXISTENTIAL_DEPOSIT: u128 = 500;

impl pallet_balances::Config for Runtime {
	/// The type for recording an account's balance.
	type Balance = Balance;
	type DustRemoval = ();
	/// The ubiquitous event type.
	type RuntimeEvent = RuntimeEvent;
	type ExistentialDeposit = ConstU128<EXISTENTIAL_DEPOSIT>;
	type AccountStore = System;
	type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
	type MaxLocks = ConstU32<50>;
	type MaxReserves = ();
	type ReserveIdentifier = [u8; 8];
}

parameter_types! {
	pub FeeMultiplier: Multiplier = Multiplier::one();
}

impl pallet_transaction_payment::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type OnChargeTransaction = CurrencyAdapter<Balances, ()>;
	type OperationalFeeMultiplier = ConstU8<5>;
	type WeightToFee = IdentityFee<Balance>;
	type LengthToFee = IdentityFee<Balance>;
	type FeeMultiplierUpdate = ConstFeeMultiplier<FeeMultiplier>;
}

impl pallet_sudo::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type RuntimeCall = RuntimeCall;
}


/// Configure the pallet-template in pallets/template.
impl pallet_template::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
}

impl pallet_difficulty::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
}

impl pallet_rewards::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type Currency = Balances;
}

parameter_types! {
	pub const LeetChainId: u64 = 1337;
	pub BlockGasLimit: U256 = U256::from(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT.ref_time() / WEIGHT_PER_GAS);
	pub PrecompilesValue: SubstratePrecompiles<Runtime> = SubstratePrecompiles::<_>::new();
}

impl pallet_evm::Config for Runtime {
	type FeeCalculator = BaseFee;
	type GasWeightMapping = pallet_evm::FixedGasWeightMapping<Self>;

	type WeightPerGas = ();
	type BlockHashMapping = EthereumBlockHashMapping<Self>;
	type CallOrigin = EnsureAddressRoot<AccountId>;
	type WithdrawOrigin = EnsureAddressNever<AccountId>;

	type AddressMapping = HashedAddressMapping<BlakeTwo256>;
	type Currency = Balances;
	type RuntimeEvent = RuntimeEvent;

	type PrecompilesType = SubstratePrecompiles<Self>;
	type PrecompilesValue = PrecompilesValue;
	type ChainId = LeetChainId;
	type BlockGasLimit = BlockGasLimit;
	type Runner = pallet_evm::runner::stack::Runner<Self>;
	type OnChargeTransaction = ();
	type FindAuthor = ();
}

impl pallet_ethereum::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type StateRoot = pallet_ethereum::IntermediateStateRoot<Self>;
}

parameter_types! {
	pub DefaultElasticity: Permill = Permill::zero();
	pub DefaultBaseFeePerGas: U256 = U256::from(1_000_000_000);
}

pub struct BaseFeeThreshold;

impl pallet_base_fee::BaseFeeThreshold for BaseFeeThreshold {
	fn lower() -> Permill {
		Permill::zero()
	}
	fn ideal() -> Permill {
		Permill::from_parts(500_000)
	}
	fn upper() -> Permill {
		Permill::from_parts(1_000_000)
	}
}

impl pallet_base_fee::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type Threshold = BaseFeeThreshold;
	// type IsActive = IsActive;
	type DefaultBaseFeePerGas = DefaultBaseFeePerGas;
	type DefaultElasticity = DefaultElasticity;
}

parameter_types! {
	pub const UncleGenerations: BlockNumber = 5;
	pub const ProposalBond: Permill = Permill::from_percent(5);
	pub const ProposalBondMinimum: Balance = 1 * DOLLARS;
	pub const SpendPeriod: BlockNumber = 1 * DAYS;
	pub const Burn: Permill = Permill::from_percent(50);
	pub const TipCountdown: BlockNumber = 1 * DAYS;
	pub const TipFindersFee: Percent = Percent::from_percent(20);
	pub const TipReportDepositBase: Balance = 1 * DOLLARS;
	pub const DataDepositPerByte: Balance = 1 * CENTS;
	pub const BountyDepositBase: Balance = 1 * DOLLARS;
	pub const BountyDepositPayoutDelay: BlockNumber = 1 * DAYS;
	pub const TreasuryPalletId: PalletId = PalletId(*b"py/trsry");
	pub const BountyUpdatePeriod: BlockNumber = 14 * DAYS;
	pub const MaximumReasonLength: u32 = 16384;
	pub const BountyCuratorDeposit: Permill = Permill::from_percent(50);
	pub const BountyValueMinimum: Balance = 5 * DOLLARS;
	pub const MaxApprovals: u32 = 100;
}

impl pallet_authorship::Config for Runtime {
	type FindAuthor = pallet_rewards::FindAuthorFromDigests<Self>;
	type UncleGenerations = UncleGenerations;
	type FilterUncle = ();
	type EventHandler = Rewards;
}

impl pallet_treasury::Config for Runtime {
	type Currency = Balances;
	type ApproveOrigin = EitherOfDiverse<EnsureRoot<AccountId>, EnsureRoot<AccountId>>;
	type RejectOrigin = EitherOfDiverse<EnsureRoot<AccountId>, EnsureRoot<AccountId>>;
	type RuntimeEvent = RuntimeEvent;
	type OnSlash = ();
	type ProposalBond = ProposalBond;
	type ProposalBondMinimum = ProposalBondMinimum;
	type ProposalBondMaximum = ();
	type SpendPeriod = SpendPeriod;
	type Burn = Burn;
	type PalletId = TreasuryPalletId;
	type BurnDestination = ();
	type WeightInfo = pallet_treasury::weights::SubstrateWeight<Runtime>;
	type SpendFunds = ();
	type MaxApprovals = MaxApprovals;
	type SpendOrigin = frame_support::traits::NeverEnsureOrigin<u128>;
}

impl block_author::Config for Runtime {}

impl utxo::Config for Runtime {
	type RuntimeEvent = RuntimeEvent;
	type BlockAuthor = BlockAuthor;
	type Issuance = issuance::BitcoinHalving;
}

parameter_types! {
	pub const DepositPerItem: Balance = deposit(1, 0);
	pub const DepositPerByte: Balance = deposit(0, 1);
	pub const DeletionQueueDepth: u32 = 128;
	pub DeletionWeightLimit: Weight = AVERAGE_ON_INITIALIZE_RATIO * BlockWeights::get().max_block;
	pub Schedule: pallet_contracts::Schedule<Runtime> = Default::default();
}

impl pallet_contracts::Config for Runtime {
	type Time = Timestamp;
	type Randomness = RandomnessCollectiveFlip;
	type Currency = Balances;
	type RuntimeEvent = RuntimeEvent;
	type RuntimeCall = RuntimeCall;
	type CallFilter = Nothing;
	type WeightPrice = pallet_transaction_payment::Pallet<Self>;
	type WeightInfo = pallet_contracts::weights::SubstrateWeight<Self>;
	type ChainExtension = ();
	type Schedule = Schedule;
	type CallStack = [pallet_contracts::Frame<Self>; 31];
	type DeletionQueueDepth = DeletionQueueDepth;
	type DeletionWeightLimit = DeletionWeightLimit;
	type DepositPerByte = DepositPerByte;
	type ContractAccessWeight = DefaultContractAccessWeight<BlockWeights>;
	type DepositPerItem = DepositPerItem;
	type AddressGenerator = pallet_contracts::DefaultAddressGenerator;
	type MaxCodeLen = ConstU32<{ 256 * 1024 }>;
	type MaxStorageKeyLen = ConstU32<{ 512 * 1024 }>;
}

// Create the runtime by composing the FRAME pallets that were previously configured.
construct_runtime!(
	pub struct Runtime
	where
		Block = Block,
		NodeBlock = opaque::Block,
		UncheckedExtrinsic = UncheckedExtrinsic,
	{
		System: frame_system,
		RandomnessCollectiveFlip: pallet_randomness_collective_flip,
		Timestamp: pallet_timestamp,
		Authorship: pallet_authorship,
		// Aura: pallet_aura,
		// Grandpa: pallet_grandpa,
		Balances: pallet_balances,
		TransactionPayment: pallet_transaction_payment,
		Sudo: pallet_sudo,
		Contracts: pallet_contracts,
		Difficulty: pallet_difficulty,
		Rewards: pallet_rewards,
		BlockAuthor: block_author::{Pallet, Call, Storage, Inherent},
		Treasury: pallet_treasury,
		Utxo: utxo::{Pallet, Call, Storage, Config, Event},
		// Include the custom logic from the pallet-template in the runtime.
		TemplateModule: pallet_template,
		EVM: pallet_evm,
		Ethereum: pallet_ethereum,
		BaseFee: pallet_base_fee,
	}
);

pub struct TransactionConverter;

impl fp_rpc::ConvertTransaction<UncheckedExtrinsic> for TransactionConverter {
	fn convert_transaction(&self, transaction: pallet_ethereum::Transaction) -> UncheckedExtrinsic {
		UncheckedExtrinsic::new_unsigned(
			pallet_ethereum::Call::<Runtime>::transact { transaction }.into(),
		)
	}
}

impl fp_rpc::ConvertTransaction<opaque::UncheckedExtrinsic> for TransactionConverter {
	fn convert_transaction(
		&self,
		transaction: pallet_ethereum::Transaction,
	) -> opaque::UncheckedExtrinsic {
		let extrinsic = UncheckedExtrinsic::new_unsigned(
			pallet_ethereum::Call::<Runtime>::transact { transaction }.into(),
		);
		let encoded = extrinsic.encode();
		opaque::UncheckedExtrinsic::decode(&mut &encoded[..])
			.expect("Encoded extrinsic is always valid")
	}
}

/// The address format for describing accounts.
pub type Address = sp_runtime::MultiAddress<AccountId, ()>;
/// Block header type as expected by this runtime.
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
/// Block type as expected by this runtime.
pub type Block = generic::Block<Header, UncheckedExtrinsic>;
/// The SignedExtension to the basic transaction logic.
pub type SignedExtra = (
	frame_system::CheckNonZeroSender<Runtime>,
	frame_system::CheckSpecVersion<Runtime>,
	frame_system::CheckTxVersion<Runtime>,
	frame_system::CheckGenesis<Runtime>,
	frame_system::CheckEra<Runtime>,
	frame_system::CheckNonce<Runtime>,
	frame_system::CheckWeight<Runtime>,
	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
);

/// Unchecked extrinsic type as expected by this runtime.
pub type UncheckedExtrinsic =
fp_self_contained::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;
/// The payload being signed in transactions.
pub type SignedPayload = generic::SignedPayload<RuntimeCall, SignedExtra>;
/// Executive: handles dispatch to the various modules.
pub type Executive = frame_executive::Executive<
	Runtime,
	Block,
	frame_system::ChainContext<Runtime>,
	Runtime,
	AllPalletsWithSystem,
>;

#[cfg(feature = "runtime-benchmarks")]
#[macro_use]
extern crate frame_benchmarking;

#[cfg(feature = "runtime-benchmarks")]
mod benches {
	define_benchmarks!(
		[frame_benchmarking, BaselineBench::<Runtime>]
		[frame_system, SystemBench::<Runtime>]
		[pallet_balances, Balances]
		[pallet_timestamp, Timestamp]
		[pallet_template, TemplateModule]
	);
}

impl fp_self_contained::SelfContainedCall for RuntimeCall {
	type SignedInfo = H160;

	fn is_self_contained(&self) -> bool {
		match self {
			RuntimeCall::Ethereum(call) => call.is_self_contained(),
			_ => false,
		}
	}

	fn check_self_contained(&self) -> Option<Result<Self::SignedInfo, TransactionValidityError>> {
		match self {
			RuntimeCall::Ethereum(call) => call.check_self_contained(),
			_ => None,
		}
	}

	fn validate_self_contained(
		&self,
		info: &Self::SignedInfo,
		dispatch_info: &DispatchInfoOf<RuntimeCall>,
		len: usize,
	) -> Option<TransactionValidity> {
		match self {
			RuntimeCall::Ethereum(call) => call.validate_self_contained(info, dispatch_info, len),
			_ => None,
		}
	}

	fn apply_self_contained(
		self,
		info: Self::SignedInfo,
	) -> Option<sp_runtime::DispatchResultWithInfo<PostDispatchInfoOf<Self>>> {
		match self {
			call @ RuntimeCall::Ethereum(pallet_ethereum::Call::transact { .. }) => Some(call.dispatch(
				RuntimeOrigin::from(pallet_ethereum::RawOrigin::EthereumTransaction(info)),
			)),
			_ => None,
		}
	}
}

impl_runtime_apis! {

	impl fp_rpc::EthereumRuntimeRPCApi<Block> for Runtime {
		fn chain_id() -> u64 {
			<Runtime as pallet_evm::Config>::ChainId::get()
		}

		fn account_basic(address: H160) -> EVMAccount {
			let (account, _) = EVM::account_basic(&address);
			// EVM::account_basic(&address)
			account
		}

		fn gas_price() -> U256 {
			let (gas_price, _) = <Runtime as pallet_evm::Config>::FeeCalculator::min_gas_price();
			gas_price
		}

		fn account_code_at(address: H160) -> Vec<u8> {
			EVM::account_codes(address)
		}

		fn author() -> H160 {
			<pallet_evm::Pallet<Runtime>>::find_author()
		}

		fn storage_at(address: H160, index: U256) -> H256 {
			let mut tmp = [0u8; 32];
			index.to_big_endian(&mut tmp);
			EVM::account_storages(address, H256::from_slice(&tmp[..]))
		}

		fn call(
			from: H160,
			to: H160,
			data: Vec<u8>,
			value: U256,
			gas_limit: U256,
			max_fee_per_gas: Option<U256>,
			max_priority_fee_per_gas: Option<U256>,
			nonce: Option<U256>,
			estimate: bool,
			access_list: Option<Vec<(H160, Vec<H256>)>>,
		) -> Result<pallet_evm::CallInfo, sp_runtime::DispatchError> {
			let config = if estimate {
				let mut config = <Runtime as pallet_evm::Config>::config().clone();
				config.estimate = true;
				Some(config)
			} else {
				None
			};

			let is_transactional = false;
			<Runtime as pallet_evm::Config>::Runner::call(
				from,
				to,
				data,
				value,
				gas_limit.unique_saturated_into(),
				max_fee_per_gas,
				max_priority_fee_per_gas,
				nonce,
				access_list.unwrap_or_default(),
				is_transactional,
				estimate,
				config.as_ref().unwrap_or(<Runtime as pallet_evm::Config>::config()),
			).map_err(|err| err.error.into())
		}

		fn elasticity() -> Option<Permill> {
			Some(BaseFee::elasticity())
		}

		fn create(
			from: H160,
			data: Vec<u8>,
			value: U256,
			gas_limit: U256,
			gas_price: Option<U256>,
			max_priority_fee: Option<U256>,
			nonce: Option<U256>,
			estimate: bool,
			access_list: Option<Vec<(H160, Vec<H256>)>>
		) -> Result<fp_evm::CreateInfo, sp_runtime::DispatchError> {
			let config = if estimate {
				let mut config = <Runtime as pallet_evm::Config>::config().clone();
				config.estimate = true;
				Some(config)
			} else {
				None
			};

			let is_transactional = false;
			<Runtime as pallet_evm::Config>::Runner::create(
				from,
				data,
				value,
				gas_limit.low_u64(),
				gas_price,
				max_priority_fee,
				nonce,
				access_list.unwrap_or_default(),
				is_transactional,
				estimate,
				config.as_ref().unwrap_or(<Runtime as pallet_evm::Config>::config()),
			).map_err(|err| err.error.into())
		}

		fn current_transaction_statuses() -> Option<Vec<TransactionStatus>> {
			Ethereum::current_transaction_statuses()
		}

		fn current_block() -> Option<pallet_ethereum::Block> {
			Ethereum::current_block()
		}

		fn current_receipts() -> Option<Vec<pallet_ethereum::Receipt>> {
			Ethereum::current_receipts()
		}

		fn current_all() -> (
			Option<pallet_ethereum::Block>,
			Option<Vec<pallet_ethereum::Receipt>>,
			Option<Vec<TransactionStatus>>
		) {
			(
				Ethereum::current_block(),
				Ethereum::current_receipts(),
				Ethereum::current_transaction_statuses()
			)
		}

		fn extrinsic_filter(
			xts: Vec<<Block as BlockT>::Extrinsic>,
		) -> Vec<EthereumTransaction> {
			xts.into_iter().filter_map(|xt| match xt.0.function {
				RuntimeCall::Ethereum(transact{transaction}) => Some(transaction),
				_ => None
			}).collect::<Vec<EthereumTransaction>>()
		}
	}

	impl pallet_contracts_rpc_runtime_api::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash> for Runtime {
		fn call(
			origin: AccountId,
			dest: AccountId,
			value: Balance,
			gas_limit: u64,
			storage_deposit_limit: Option<Balance>,
			input_data: Vec<u8>,
		) -> pallet_contracts_primitives::ContractExecResult<Balance> {
			Contracts::bare_call(origin, dest, value, Weight::from_ref_time(gas_limit), storage_deposit_limit, input_data, CONTRACTS_DEBUG_OUTPUT)
		}

		fn instantiate(
			origin: AccountId,
			value: Balance,
			gas_limit: u64,
			storage_deposit_limit: Option<Balance>,
			code: pallet_contracts_primitives::Code<Hash>,
			data: Vec<u8>,
			salt: Vec<u8>,
		) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, Balance> {
			 Contracts::bare_instantiate(origin, value, Weight::from_ref_time(gas_limit), storage_deposit_limit, code, data, salt, CONTRACTS_DEBUG_OUTPUT)
		}

	  fn upload_code(
		 origin: AccountId,
		 code: Vec<u8>,
		 storage_deposit_limit: Option<Balance>,
	  ) -> pallet_contracts_primitives::CodeUploadResult<Hash, Balance> {
		 Contracts::bare_upload_code(origin, code, storage_deposit_limit)
	  }

	  fn get_storage(
		 address: AccountId,
		 key: Vec<u8>,
	  ) -> pallet_contracts_primitives::GetStorageResult {
		 Contracts::get_storage(address, key)
	  }
	}

	impl fp_rpc::ConvertTransactionRuntimeApi<Block> for Runtime {
		fn convert_transaction(transaction: EthereumTransaction) -> <Block as BlockT>::Extrinsic {
			UncheckedExtrinsic::new_unsigned(
				pallet_ethereum::Call::<Runtime>::transact { transaction }.into(),
			)
		}
	}

	impl sp_api::Core<Block> for Runtime {
		fn version() -> RuntimeVersion {
			VERSION
		}

		fn execute_block(block: Block) {
			Executive::execute_block(block);
		}

		fn initialize_block(header: &<Block as BlockT>::Header) {
			Executive::initialize_block(header)
		}
	}

	impl sp_api::Metadata<Block> for Runtime {
		fn metadata() -> OpaqueMetadata {
			OpaqueMetadata::new(Runtime::metadata().into())
		}
	}

	impl sp_block_builder::BlockBuilder<Block> for Runtime {
		fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
			Executive::apply_extrinsic(extrinsic)
		}

		fn finalize_block() -> <Block as BlockT>::Header {
			Executive::finalize_block()
		}

		fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
			data.create_extrinsics()
		}

		fn check_inherents(
			block: Block,
			data: sp_inherents::InherentData,
		) -> sp_inherents::CheckInherentsResult {
			data.check_extrinsics(&block)
		}
	}

	impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {
		fn validate_transaction(
			source: TransactionSource,
			tx: <Block as BlockT>::Extrinsic,
			block_hash: <Block as BlockT>::Hash,
		) -> TransactionValidity {
			if let Some(&utxo::Call::spend{ ref transaction }) = IsSubType::<<Utxo as Callable<Runtime>>::RuntimeCall>::is_sub_type(&tx.0.function) {
				match Utxo::validate_transaction(&transaction) {
					// Transaction verification failed
					Err(e) => {
						sp_runtime::print(e);
						return Err(TransactionValidityError::Invalid(InvalidTransaction::Custom(1)));
					}
					// Race condition, or Transaction is good to go
					Ok(tv) => { return Ok(tv); }
				}
			} else {
				sp_runtime::print("Unable to run race condition");
			}

			// Fall back to default logic for non UTXO-spending extrinsics
			Executive::validate_transaction(source, tx, block_hash)
		}

	}

	impl sp_offchain::OffchainWorkerApi<Block> for Runtime {
		fn offchain_worker(header: &<Block as BlockT>::Header) {
			Executive::offchain_worker(header)
		}
	}

	impl sp_consensus_pow::DifficultyApi<Block, sp_core::U256> for Runtime {
		fn difficulty() -> sp_core::U256 {
			Difficulty::runtime_difficulty().unwrap()
		}
	}

	// impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {
	// 	fn slot_duration() -> sp_consensus_aura::SlotDuration {
	// 		sp_consensus_aura::SlotDuration::from_millis(Aura::slot_duration())
	// 	}
	//
	// 	fn authorities() -> Vec<AuraId> {
	// 		Aura::authorities().into_inner()
	// 	}
	// }

	impl sp_session::SessionKeys<Block> for Runtime {
		fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {
			Vec::new()
		}

		fn decode_session_keys(
			encoded: Vec<u8>,
		) -> Option<Vec<(Vec<u8>, KeyTypeId)>> {
			None
		}
	}

	// impl fg_primitives::GrandpaApi<Block> for Runtime {
	// 	fn grandpa_authorities() -> GrandpaAuthorityList {
	// 		Grandpa::grandpa_authorities()
	// 	}
	//
	// 	fn current_set_id() -> fg_primitives::SetId {
	// 		Grandpa::current_set_id()
	// 	}
	//
	// 	fn submit_report_equivocation_unsigned_extrinsic(
	// 		_equivocation_proof: fg_primitives::EquivocationProof<
	// 			<Block as BlockT>::Hash,
	// 			NumberFor<Block>,
	// 		>,
	// 		_key_owner_proof: fg_primitives::OpaqueKeyOwnershipProof,
	// 	) -> Option<()> {
	// 		None
	// 	}
	//
	// 	fn generate_key_ownership_proof(
	// 		_set_id: fg_primitives::SetId,
	// 		_authority_id: GrandpaId,
	// 	) -> Option<fg_primitives::OpaqueKeyOwnershipProof> {
	// 		// NOTE: this is the only implementation possible since we've
	// 		// defined our key owner proof type as a bottom type (i.e. a type
	// 		// with no values).
	// 		None
	// 	}
	// }

	impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {
		fn account_nonce(account: AccountId) -> Index {
			System::account_nonce(account)
		}
	}

	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {
		fn query_info(
			uxt: <Block as BlockT>::Extrinsic,
			len: u32,
		) -> pallet_transaction_payment_rpc_runtime_api::RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_info(uxt, len)
		}
		fn query_fee_details(
			uxt: <Block as BlockT>::Extrinsic,
			len: u32,
		) -> pallet_transaction_payment::FeeDetails<Balance> {
			TransactionPayment::query_fee_details(uxt, len)
		}
	}

	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentCallApi<Block, Balance, RuntimeCall>
		for Runtime
	{
		fn query_call_info(
			call: RuntimeCall,
			len: u32,
		) -> pallet_transaction_payment::RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_call_info(call, len)
		}
		fn query_call_fee_details(
			call: RuntimeCall,
			len: u32,
		) -> pallet_transaction_payment::FeeDetails<Balance> {
			TransactionPayment::query_call_fee_details(call, len)
		}
	}

	#[cfg(feature = "runtime-benchmarks")]
	impl frame_benchmarking::Benchmark<Block> for Runtime {
		fn benchmark_metadata(extra: bool) -> (
			Vec<frame_benchmarking::BenchmarkList>,
			Vec<frame_support::traits::StorageInfo>,
		) {
			use frame_benchmarking::{baseline, Benchmarking, BenchmarkList};
			use frame_support::traits::StorageInfoTrait;
			use frame_system_benchmarking::Pallet as SystemBench;
			use baseline::Pallet as BaselineBench;

			let mut list = Vec::<BenchmarkList>::new();
			list_benchmarks!(list, extra);

			let storage_info = AllPalletsWithSystem::storage_info();

			(list, storage_info)
		}

		fn dispatch_benchmark(
			config: frame_benchmarking::BenchmarkConfig
		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
			use frame_benchmarking::{baseline, Benchmarking, BenchmarkBatch, TrackedStorageKey};

			use frame_system_benchmarking::Pallet as SystemBench;
			use baseline::Pallet as BaselineBench;
			use pallet_evm::Pallet as PalletEvmBench;

			impl frame_system_benchmarking::Config for Runtime {}
			impl baseline::Config for Runtime {}

			use frame_support::traits::WhitelistedStorageKeys;
			let whitelist: Vec<TrackedStorageKey> = AllPalletsWithSystem::whitelisted_storage_keys();

			let mut batches = Vec::<BenchmarkBatch>::new();
			let params = (&config, &whitelist);
			add_benchmarks!(params, batches, pallet_evm, PalletEvmBench::<Runtime>);

			Ok(batches)
		}
	}

	#[cfg(feature = "try-runtime")]
	impl frame_try_runtime::TryRuntime<Block> for Runtime {
		fn on_runtime_upgrade() -> (Weight, Weight) {
			// NOTE: intentional unwrap: we don't want to propagate the error backwards, and want to
			// have a backtrace here. If any of the pre/post migration checks fail, we shall stop
			// right here and right now.
			let weight = Executive::try_runtime_upgrade().unwrap();
			(weight, BlockWeights::get().max_block)
		}

		fn execute_block(
			block: Block,
			state_root_check: bool,
			select: frame_try_runtime::TryStateSelect
		) -> Weight {
			// NOTE: intentional unwrap: we don't want to propagate the error backwards, and want to
			// have a backtrace here.
			Executive::try_execute_block(block, state_root_check, select).expect("execute-block failed")
		}
	}
}

#[cfg(test)]
mod tests {
	use super::*;
	use frame_support::traits::WhitelistedStorageKeys;
	use sp_core::hexdisplay::HexDisplay;
	use std::collections::HashSet;

	#[test]
	fn check_whitelist() {
		let whitelist: HashSet<String> = AllPalletsWithSystem::whitelisted_storage_keys()
			.iter()
			.map(|e| HexDisplay::from(&e.key).to_string())
			.collect();

		// Block Number
		assert!(
			whitelist.contains("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac")
		);
		// Total Issuance
		assert!(
			whitelist.contains("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80")
		);
		// Execution Phase
		assert!(
			whitelist.contains("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a")
		);
		// Event Count
		assert!(
			whitelist.contains("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850")
		);
		// System Events
		assert!(
			whitelist.contains("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7")
		);
	}
}