pezkuwi-subxt/polkadot-parachain/src/chain_spec/mod.rs

// Copyright 2019-2021 Parity Technologies (UK) Ltd.
// This file is part of Cumulus.

// Cumulus 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.

// Cumulus 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 Cumulus.  If not, see <http://www.gnu.org/licenses/>.

use cumulus_primitives_core::ParaId;
use hex_literal::hex;
use rococo_parachain_runtime::{AccountId, AuraId, Signature};
use sc_chain_spec::{ChainSpecExtension, ChainSpecGroup};
use sc_service::ChainType;
use serde::{Deserialize, Serialize};
use sp_core::{crypto::UncheckedInto, sr25519, Pair, Public};
use sp_runtime::traits::{IdentifyAccount, Verify};

pub mod contracts;
pub mod penpal;
pub mod seedling;
pub mod shell;
pub mod statemint;

/// Specialized `ChainSpec` for the normal parachain runtime.
pub type ChainSpec =
	sc_service::GenericChainSpec<rococo_parachain_runtime::GenesisConfig, Extensions>;

/// The default XCM version to set in genesis config.
const SAFE_XCM_VERSION: u32 = xcm::prelude::XCM_VERSION;

/// Helper function to generate a crypto pair from seed
pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
	TPublic::Pair::from_string(&format!("//{}", seed), None)
		.expect("static values are valid; qed")
		.public()
}

/// The extensions for the [`ChainSpec`].
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, ChainSpecGroup, ChainSpecExtension)]
#[serde(deny_unknown_fields)]
pub struct Extensions {
	/// The relay chain of the Parachain.
	pub relay_chain: String,
	/// The id of the Parachain.
	pub para_id: u32,
}

impl Extensions {
	/// Try to get the extension from the given `ChainSpec`.
	pub fn try_get(chain_spec: &dyn sc_service::ChainSpec) -> Option<&Self> {
		sc_chain_spec::get_extension(chain_spec.extensions())
	}
}

type AccountPublic = <Signature as Verify>::Signer;

/// Helper function to generate an account ID from seed
pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId
where
	AccountPublic: From<<TPublic::Pair as Pair>::Public>,
{
	AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
}

pub fn get_chain_spec() -> ChainSpec {
	ChainSpec::from_genesis(
		"Local Testnet",
		"local_testnet",
		ChainType::Local,
		move || {
			testnet_genesis(
				get_account_id_from_seed::<sr25519::Public>("Alice"),
				vec![get_from_seed::<AuraId>("Alice"), get_from_seed::<AuraId>("Bob")],
				vec![
					get_account_id_from_seed::<sr25519::Public>("Alice"),
					get_account_id_from_seed::<sr25519::Public>("Bob"),
					get_account_id_from_seed::<sr25519::Public>("Charlie"),
					get_account_id_from_seed::<sr25519::Public>("Dave"),
					get_account_id_from_seed::<sr25519::Public>("Eve"),
					get_account_id_from_seed::<sr25519::Public>("Ferdie"),
					get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
					get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
					get_account_id_from_seed::<sr25519::Public>("Charlie//stash"),
					get_account_id_from_seed::<sr25519::Public>("Dave//stash"),
					get_account_id_from_seed::<sr25519::Public>("Eve//stash"),
					get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
				],
				1000.into(),
			)
		},
		Vec::new(),
		None,
		None,
		None,
		None,
		Extensions { relay_chain: "westend".into(), para_id: 1000 },
	)
}

pub fn staging_test_net() -> ChainSpec {
	ChainSpec::from_genesis(
		"Staging Testnet",
		"staging_testnet",
		ChainType::Live,
		move || {
			testnet_genesis(
				hex!["9ed7705e3c7da027ba0583a22a3212042f7e715d3c168ba14f1424e2bc111d00"].into(),
				vec![
					// $secret//one
					hex!["aad9fa2249f87a210a0f93400b7f90e47b810c6d65caa0ca3f5af982904c2a33"]
						.unchecked_into(),
					// $secret//two
					hex!["d47753f0cca9dd8da00c70e82ec4fc5501a69c49a5952a643d18802837c88212"]
						.unchecked_into(),
				],
				vec![
					hex!["9ed7705e3c7da027ba0583a22a3212042f7e715d3c168ba14f1424e2bc111d00"].into()
				],
				1000.into(),
			)
		},
		Vec::new(),
		None,
		None,
		None,
		None,
		Extensions { relay_chain: "westend".into(), para_id: 1000 },
	)
}

fn testnet_genesis(
	root_key: AccountId,
	initial_authorities: Vec<AuraId>,
	endowed_accounts: Vec<AccountId>,
	id: ParaId,
) -> rococo_parachain_runtime::GenesisConfig {
	rococo_parachain_runtime::GenesisConfig {
		system: rococo_parachain_runtime::SystemConfig {
			code: rococo_parachain_runtime::WASM_BINARY
				.expect("WASM binary was not build, please build it!")
				.to_vec(),
		},
		balances: rococo_parachain_runtime::BalancesConfig {
			balances: endowed_accounts.iter().cloned().map(|k| (k, 1 << 60)).collect(),
		},
		sudo: rococo_parachain_runtime::SudoConfig { key: Some(root_key) },
		parachain_info: rococo_parachain_runtime::ParachainInfoConfig { parachain_id: id },
		aura: rococo_parachain_runtime::AuraConfig { authorities: initial_authorities },
		aura_ext: Default::default(),
		parachain_system: Default::default(),
		polkadot_xcm: rococo_parachain_runtime::PolkadotXcmConfig {
			safe_xcm_version: Some(SAFE_XCM_VERSION),
		},
	}
}

/// Helper function to generate a crypto pair from seed
pub fn get_public_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
	TPublic::Pair::from_string(&format!("//{}", seed), None)
		.expect("static values are valid; qed")
		.public()
}

/// Generate collator keys from seed.
///
/// This function's return type must always match the session keys of the chain in tuple format.
pub fn get_collator_keys_from_seed<AuraId: Public>(seed: &str) -> <AuraId::Pair as Pair>::Public {
	get_public_from_seed::<AuraId>(seed)
}