primitives/
lib.rs

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/*
 * This file is part of the Nodle Chain distributed at https://github.com/NodleCode/chain
 * Copyright (C) 2020-2022  Nodle International
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

//! Low-level types used throughout the core substrate code.

#![cfg_attr(not(feature = "std"), no_std)]

use sp_runtime::{
	generic,
	traits::{BlakeTwo256, IdentifyAccount, Verify},
	MultiSignature, OpaqueExtrinsic,
};

pub use polkadot_parachain_primitives::primitives::{
	DmpMessageHandler, Id as ParaId, UpwardMessage, ValidationParams, XcmpMessageFormat, XcmpMessageHandler,
};

/// 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;

/// Type used for expressing timestamp.
pub type Moment = u64;

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

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

/// A timestamp: milliseconds since the unix epoch.
/// `u64` is enough to represent a duration of half a billion years, when the
/// time scale is milliseconds.
pub type Timestamp = u64;

/// Digest item type.
pub type DigestItem = generic::DigestItem;
/// Header type.
pub type Header = generic::Header<BlockNumber, BlakeTwo256>;

/// Block type.
pub type Block = generic::Block<Header, OpaqueExtrinsic>;
/// Block ID.
pub type BlockId = generic::BlockId<Block>;

pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;