Substrate: Blockchain development framework

use frame_support::{
    construct_runtime, parameter_types,
    traits::{KeyOwnerProofSystem, Randomness, StorageInfo},
    weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight},
};
use frame_system as system;
use pallet_balances as balances;
use sp_runtime::{
    create_runtime_str, generic, impl_opaque_keys,
    traits::{AccountIdLookup, BlakeTwo256, Block as BlockT, IdentifyAccount, Verify},
    MultiSignature, Perbill,
};

construct_runtime!(
    pub struct Runtime
    where
        Block = Block,
        NodeBlock = opaque::Block,
        UncheckedExtrinsic = UncheckedExtrinsic,
    {
        System: frame_system,
        Timestamp: pallet_timestamp,
        Balances: pallet_balances,
        TransactionPayment: pallet_transaction_payment,
        Sudo: pallet_sudo,
    }
);

parameter_types! {
    pub const BlockHashCount: BlockNumber = 2400;
    pub const Version: RuntimeVersion = VERSION;
    pub BlockWeights: frame_system::limits::BlockWeights =
        frame_system::limits::BlockWeights::simple_max(
            Weight::from_parts(2u64 * WEIGHT_REF_TIME_PER_SECOND, u64::MAX),
        );
}