pallet_staking_async_rc_runtime/
genesis_config_presets.rs

1// Copyright (C) Parity Technologies (UK) Ltd.
2// This file is part of Substrate.
3
4// Substrate is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Substrate is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
16
17//! Genesis configs presets for the Westend runtime
18
19use crate::{
20	BabeConfig, BalancesConfig, ConfigurationConfig, RegistrarConfig, RuntimeGenesisConfig,
21	SessionConfig, SessionKeys, StakingAhClientConfig, SudoConfig, BABE_GENESIS_EPOCH_CONFIG,
22};
23#[cfg(not(feature = "std"))]
24use alloc::format;
25use alloc::{string::ToString, vec, vec::Vec};
26use core::panic;
27use frame_support::build_struct_json_patch;
28use pallet_staking_async_rc_runtime_constants::currency::UNITS as WND;
29use polkadot_primitives::{AccountId, AssignmentId, SchedulerParams, ValidatorId};
30use sp_authority_discovery::AuthorityId as AuthorityDiscoveryId;
31use sp_consensus_babe::AuthorityId as BabeId;
32use sp_consensus_beefy::ecdsa_crypto::AuthorityId as BeefyId;
33use sp_consensus_grandpa::AuthorityId as GrandpaId;
34use sp_core::{crypto::get_public_from_string_or_panic, sr25519};
35use sp_genesis_builder::PresetId;
36use sp_keyring::Sr25519Keyring;
37
38/// Helper function to generate stash, controller and session key from seed
39fn get_authority_keys_from_seed(
40	seed: &str,
41) -> (
42	AccountId,
43	AccountId,
44	BabeId,
45	GrandpaId,
46	ValidatorId,
47	AssignmentId,
48	AuthorityDiscoveryId,
49	BeefyId,
50) {
51	let keys = get_authority_keys_from_seed_no_beefy(seed);
52	(
53		keys.0,
54		keys.1,
55		keys.2,
56		keys.3,
57		keys.4,
58		keys.5,
59		keys.6,
60		get_public_from_string_or_panic::<BeefyId>(seed),
61	)
62}
63
64/// Helper function to generate stash, controller and session key from seed
65fn get_authority_keys_from_seed_no_beefy(
66	seed: &str,
67) -> (AccountId, AccountId, BabeId, GrandpaId, ValidatorId, AssignmentId, AuthorityDiscoveryId) {
68	(
69		get_public_from_string_or_panic::<sr25519::Public>(&format!("{}//stash", seed)).into(),
70		get_public_from_string_or_panic::<sr25519::Public>(seed).into(),
71		get_public_from_string_or_panic::<BabeId>(seed),
72		get_public_from_string_or_panic::<GrandpaId>(seed),
73		get_public_from_string_or_panic::<ValidatorId>(seed),
74		get_public_from_string_or_panic::<AssignmentId>(seed),
75		get_public_from_string_or_panic::<AuthorityDiscoveryId>(seed),
76	)
77}
78
79fn westend_session_keys(
80	babe: BabeId,
81	grandpa: GrandpaId,
82	para_validator: ValidatorId,
83	para_assignment: AssignmentId,
84	authority_discovery: AuthorityDiscoveryId,
85	beefy: BeefyId,
86) -> SessionKeys {
87	SessionKeys { babe, grandpa, para_validator, para_assignment, authority_discovery, beefy }
88}
89
90fn default_parachains_host_configuration(
91) -> polkadot_runtime_parachains::configuration::HostConfiguration<polkadot_primitives::BlockNumber>
92{
93	use polkadot_primitives::{
94		node_features::FeatureIndex, ApprovalVotingParams, AsyncBackingParams, MAX_CODE_SIZE,
95		MAX_POV_SIZE,
96	};
97
98	polkadot_runtime_parachains::configuration::HostConfiguration {
99		// Important configs are equal to what is on Polkadot. These configs can be tweaked to mimic
100		// different VMP congestion scenarios.
101		max_downward_message_size: 51200,
102		max_upward_message_size: 65531,
103		max_upward_message_num_per_candidate: 16,
104		max_upward_queue_count: 174762,
105		max_upward_queue_size: 1048576,
106
107		validation_upgrade_cooldown: 2u32,
108		validation_upgrade_delay: 2,
109		code_retention_period: 1200,
110		max_code_size: MAX_CODE_SIZE,
111		max_pov_size: MAX_POV_SIZE,
112		max_head_data_size: 32 * 1024,
113		hrmp_sender_deposit: 0,
114		hrmp_recipient_deposit: 0,
115		hrmp_channel_max_capacity: 8,
116		hrmp_channel_max_total_size: 8 * 1024,
117		hrmp_max_parachain_inbound_channels: 4,
118		hrmp_channel_max_message_size: 1024 * 1024,
119		hrmp_max_parachain_outbound_channels: 4,
120		hrmp_max_message_num_per_candidate: 5,
121		dispute_period: 6,
122		no_show_slots: 2,
123		n_delay_tranches: 25,
124		needed_approvals: 2,
125		relay_vrf_modulo_samples: 2,
126		zeroth_delay_tranche_width: 0,
127		minimum_validation_upgrade_delay: 5,
128		async_backing_params: AsyncBackingParams {
129			max_candidate_depth: 0,
130			allowed_ancestry_len: 0,
131		},
132		node_features: bitvec::vec::BitVec::from_element(
133			(1u8 << (FeatureIndex::ElasticScalingMVP as usize)) |
134				(1u8 << (FeatureIndex::EnableAssignmentsV2 as usize)) |
135				(1u8 << (FeatureIndex::CandidateReceiptV2 as usize)),
136		),
137		scheduler_params: SchedulerParams {
138			lookahead: 3,
139			group_rotation_frequency: 20,
140			paras_availability_period: 4,
141			..Default::default()
142		},
143		approval_voting_params: ApprovalVotingParams { max_approval_coalesce_count: 5 },
144		..Default::default()
145	}
146}
147
148#[test]
149fn default_parachains_host_configuration_is_consistent() {
150	default_parachains_host_configuration().panic_if_not_consistent();
151}
152
153/// Helper function to create westend runtime `GenesisConfig` patch for testing
154fn westend_testnet_genesis(
155	initial_authorities: Vec<(
156		AccountId,
157		AccountId,
158		BabeId,
159		GrandpaId,
160		ValidatorId,
161		AssignmentId,
162		AuthorityDiscoveryId,
163		BeefyId,
164	)>,
165	root_key: AccountId,
166	preset: alloc::string::String,
167) -> serde_json::Value {
168	let endowed_accounts =
169		Sr25519Keyring::well_known().map(|k| k.to_account_id()).collect::<Vec<_>>();
170
171	const ENDOWMENT: u128 = 1_000_000 * WND;
172
173	build_struct_json_patch!(RuntimeGenesisConfig {
174		balances: BalancesConfig {
175			balances: endowed_accounts.iter().map(|k| (k.clone(), ENDOWMENT)).collect::<Vec<_>>(),
176		},
177		session: SessionConfig {
178			keys: initial_authorities
179				.iter()
180				.map(|x| {
181					(
182						x.0.clone(),
183						x.0.clone(),
184						westend_session_keys(
185							x.2.clone(),
186							x.3.clone(),
187							x.4.clone(),
188							x.5.clone(),
189							x.6.clone(),
190							x.7.clone(),
191						),
192					)
193				})
194				.collect::<Vec<_>>(),
195		},
196		babe: BabeConfig { epoch_config: BABE_GENESIS_EPOCH_CONFIG },
197		sudo: SudoConfig { key: Some(root_key) },
198		configuration: ConfigurationConfig { config: default_parachains_host_configuration() },
199		registrar: RegistrarConfig { next_free_para_id: polkadot_primitives::LOWEST_PUBLIC_ID },
200		preset_store: crate::PresetStoreConfig { preset, ..Default::default() },
201		staking_ah_client: StakingAhClientConfig {
202			operating_mode: pallet_staking_async_ah_client::OperatingMode::Active,
203			..Default::default()
204		}
205	})
206}
207
208/// Provides the JSON representation of predefined genesis config for given `id`.
209pub fn get_preset(id: &PresetId) -> Option<Vec<u8>> {
210	let patch = match id.as_ref() {
211		"real-m" => westend_testnet_genesis(
212			vec![
213				get_authority_keys_from_seed("Alice"),
214				get_authority_keys_from_seed("Bob"),
215				get_authority_keys_from_seed("Eve"),
216				get_authority_keys_from_seed("Dave"),
217			],
218			Sr25519Keyring::Alice.to_account_id(),
219			id.to_string(),
220		),
221		"real-s" => westend_testnet_genesis(
222			vec![get_authority_keys_from_seed("Alice"), get_authority_keys_from_seed("Bob")],
223			Sr25519Keyring::Alice.to_account_id(),
224			id.to_string(),
225		),
226		"fake-s" => westend_testnet_genesis(
227			vec![get_authority_keys_from_seed("Alice"), get_authority_keys_from_seed("Bob")],
228			Sr25519Keyring::Alice.to_account_id(),
229			id.to_string(),
230		),
231		_ => panic!("Unknown preset ID: {}", id),
232	};
233	Some(
234		serde_json::to_string(&patch)
235			.expect("serialization to json is expected to work. qed.")
236			.into_bytes(),
237	)
238}
239
240/// List of supported presets.
241pub fn preset_names() -> Vec<PresetId> {
242	vec![PresetId::from("real-m"), PresetId::from("real-s"), PresetId::from("fake-s")]
243}
pallet_staking_async_rc_runtime/genesis_config_presets.rs

pallet_staking_async_rc_runtime/
genesis_config_presets.rs
