pezkuwi-runtime-templates/generic-template/runtime/src/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"));

pub mod apis;
pub mod configs;
pub mod constants;
mod types;
mod weights;

use frame_support::{
    construct_runtime,
    weights::{WeightToFeeCoefficient, WeightToFeeCoefficients, WeightToFeePolynomial},
};
use smallvec::smallvec;
pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
use sp_runtime::impl_opaque_keys;
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;
pub use sp_runtime::{MultiAddress, Perbill, Permill};
use sp_std::prelude::*;
#[cfg(feature = "std")]
use sp_version::NativeVersion;

use crate::{
    configs::pallet_custom_origins,
    constants::{currency::MILLICENTS, POLY_DEGREE, P_FACTOR, Q_FACTOR},
    weights::ExtrinsicBaseWeight,
};
pub use crate::{
    configs::RuntimeBlockWeights,
    types::{
        AccountId, Balance, Block, BlockNumber, Executive, Nonce, Signature, UncheckedExtrinsic,
    },
};

/// Handles converting a weight scalar to a fee value, based on the scale and
/// granularity of the node's balance type.
///
/// This should typically create a mapping between the following ranges:
///   - `[0, MAXIMUM_BLOCK_WEIGHT]`
///   - `[Balance::min, Balance::max]`
///
/// Yet, it can be used for any other sort of change to weight-fee. Some
/// examples being:
///   - Setting it to `0` will essentially disable the weight fee.
///   - Setting it to `1` will cause the literal `#[weight = x]` values to be
///     charged.
pub struct WeightToFee;

impl WeightToFeePolynomial for WeightToFee {
    type Balance = Balance;

    fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
        // in Rococo, extrinsic base weight (smallest non-zero weight) is mapped to 1
        // MILLIUNIT: in our template, we map to 1/10 of that, or 1/10 MILLIUNIT
        let p = MILLICENTS / P_FACTOR;
        let q = Q_FACTOR * Balance::from(ExtrinsicBaseWeight::get().ref_time());
        smallvec![WeightToFeeCoefficient {
            degree: POLY_DEGREE,
            negative: false,
            coeff_frac: Perbill::from_rational(p % q, q),
            coeff_integer: p / q,
        }]
    }
}

/// 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 {
    pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
    use sp_runtime::{
        generic,
        traits::{BlakeTwo256, Hash as HashT},
    };

    use super::*;
    /// 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>;
    /// Opaque block hash type.
    pub type Hash = <BlakeTwo256 as HashT>::Output;
}

impl_opaque_keys! {
    pub struct SessionKeys {
        pub aura: Aura,
    }
}

/// The version information used to identify this runtime when compiled
/// natively.
#[cfg(feature = "std")]
pub fn native_version() -> NativeVersion {
    use crate::constants::VERSION;

    NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
}

// Create the runtime by composing the FRAME pallets that were previously
// configured.
construct_runtime!(
    pub enum Runtime
    {
        // System Support
        System: frame_system = 0,
        ParachainSystem: cumulus_pallet_parachain_system = 1,
        Timestamp: pallet_timestamp = 2,
        ParachainInfo: parachain_info = 3,
        Proxy: pallet_proxy = 4,
        Utility: pallet_utility = 5,
        Multisig: pallet_multisig = 6,
        Scheduler: pallet_scheduler::{Pallet, Call, Storage, Event<T>} = 7,
        Preimage: pallet_preimage::{Pallet, Call, Storage, Event<T>, HoldReason} = 8,

        // Monetary
        Balances: pallet_balances = 10,
        TransactionPayment: pallet_transaction_payment = 11,
        Assets: pallet_assets = 12,
        Treasury: pallet_treasury::{Pallet, Call, Storage, Config<T>, Event<T>} = 13,

        // Governance
        Sudo: pallet_sudo = 15,
        ConvictionVoting: pallet_conviction_voting::{Pallet, Call, Storage, Event<T>} = 16,
        Referenda: pallet_referenda::{Pallet, Call, Storage, Event<T>} = 17,
        Origins: pallet_custom_origins::{Origin} = 18,
        Whitelist: pallet_whitelist::{Pallet, Call, Storage, Event<T>} = 19,

        // Collator Support. The order of these 4 are important and shall not change.
        Authorship: pallet_authorship = 20,
        CollatorSelection: pallet_collator_selection = 21,
        Session: pallet_session = 22,
        Aura: pallet_aura = 23,
        AuraExt: cumulus_pallet_aura_ext = 24,

        // XCM Helpers
        XcmpQueue: cumulus_pallet_xcmp_queue = 30,
        PolkadotXcm: pallet_xcm = 31,
        CumulusXcm: cumulus_pallet_xcm = 32,
        MessageQueue: pallet_message_queue = 33,
    }
);

cumulus_pallet_parachain_system::register_validate_block! {
    Runtime = Runtime,
    BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
}

#[cfg(feature = "runtime-benchmarks")]
mod benchmark;