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Set get_preset for BridgeHubKusama
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bkontur committed Jun 26, 2024
1 parent d587962 commit 98a7911
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Showing 8 changed files with 180 additions and 3 deletions.
4 changes: 4 additions & 0 deletions Cargo.lock

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2 changes: 1 addition & 1 deletion Cargo.toml
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Expand Up @@ -188,7 +188,7 @@ sc-chain-spec = { version = "34.0.0" }
scale-info = { version = "2.10.0", default-features = false }
separator = { version = "0.4.1" }
serde = { version = "1.0.196" }
serde_json = { version = "1.0.113" }
serde_json = { version = "1.0.113", default-features = false }
smallvec = { version = "1.13.1" }
snowbridge-beacon-primitives = { version = "0.7.0", default-features = false }
snowbridge-core = { version = "0.7.0", default-features = false }
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2 changes: 2 additions & 0 deletions system-parachains/bridge-hubs/bridge-hub-kusama/Cargo.toml
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Expand Up @@ -17,6 +17,7 @@ hex-literal = { workspace = true }
log = { workspace = true }
scale-info = { features = ["derive"], workspace = true }
serde = { optional = true, features = ["derive"], workspace = true }
serde_json = { features = ["alloc"], workspace = true }
tuplex = { workspace = true }

# Local
Expand Down Expand Up @@ -189,6 +190,7 @@ std = [
"polkadot-runtime-constants/std",
"scale-info/std",
"serde",
"serde_json/std",
"snowbridge-beacon-primitives/std",
"snowbridge-core/std",
"snowbridge-outbound-queue-runtime-api/std",
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Original file line number Diff line number Diff line change
@@ -0,0 +1,92 @@
// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.

// Polkadot 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.

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

//! Genesis configs presets for the BridgeHubKusama runtime

use crate::*;
use sp_std::vec::Vec;
use system_parachains_constants::genesis_presets::*;

const BRIDGE_HUB_KUSAMA_ED: Balance = crate::ExistentialDeposit::get();

fn bridge_hub_kusama_genesis(
invulnerables: Vec<(AccountId, AuraId)>,
endowed_accounts: Vec<AccountId>,
id: ParaId,
) -> serde_json::Value {
serde_json::json!({
"balances": BalancesConfig {
balances: endowed_accounts
.iter()
.cloned()
.map(|k| (k, BRIDGE_HUB_KUSAMA_ED * 4096 * 4096))
.collect(),
},
"parachainInfo": ParachainInfoConfig {
parachain_id: id,
..Default::default()
},
"collatorSelection": CollatorSelectionConfig {
invulnerables: invulnerables.iter().cloned().map(|(acc, _)| acc).collect(),
candidacy_bond: BRIDGE_HUB_KUSAMA_ED * 16,
..Default::default()
},
"session": SessionConfig {
keys: invulnerables
.into_iter()
.map(|(acc, aura)| {
(
acc.clone(), // account id
acc, // validator id
SessionKeys { aura }, // session keys
)
})
.collect(),
},
"polkadotXcm": {
"safeXcmVersion": Some(SAFE_XCM_VERSION),
},
"ethereumSystem": EthereumSystemConfig {
para_id: id,
asset_hub_para_id: kusama_runtime_constants::system_parachain::ASSET_HUB_ID.into(),
..Default::default()
},
// no need to pass anything to aura, in fact it will panic if we do. Session will take care
// of this. `aura: Default::default()`
})
}

fn bridge_hub_kusama_local_testnet_genesis(para_id: ParaId) -> serde_json::Value {
bridge_hub_kusama_genesis(invulnerables(), testnet_accounts(), para_id)
}

fn bridge_hub_kusama_development_genesis(para_id: ParaId) -> serde_json::Value {
bridge_hub_kusama_local_testnet_genesis(para_id)
}

/// Provides the JSON representation of predefined genesis config for given `id`.
pub fn get_preset(id: &sp_genesis_builder::PresetId) -> Option<sp_std::vec::Vec<u8>> {
let patch = match id.try_into() {
Ok("development") => bridge_hub_kusama_development_genesis(1002.into()),
Ok("local_testnet") => bridge_hub_kusama_local_testnet_genesis(1002.into()),
_ => return None,
};
Some(
serde_json::to_string(&patch)
.expect("serialization to json is expected to work. qed.")
.into_bytes(),
)
}
8 changes: 6 additions & 2 deletions system-parachains/bridge-hubs/bridge-hub-kusama/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));

pub mod bridge_to_ethereum_config;
pub mod bridge_to_polkadot_config;
mod genesis_config_presets;
mod weights;
pub mod xcm_config;

Expand Down Expand Up @@ -749,11 +750,14 @@ impl_runtime_apis! {
}

fn get_preset(id: &Option<sp_genesis_builder::PresetId>) -> Option<Vec<u8>> {
get_preset::<RuntimeGenesisConfig>(id, |_| None)
get_preset::<RuntimeGenesisConfig>(id, &genesis_config_presets::get_preset)
}

fn preset_names() -> Vec<sp_genesis_builder::PresetId> {
vec![]
vec![
sp_genesis_builder::PresetId::from("local_testnet"),
sp_genesis_builder::PresetId::from("development"),
]
}
}

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6 changes: 6 additions & 0 deletions system-parachains/constants/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,10 @@ parachains-common = { workspace = true }
polkadot-core-primitives = { workspace = true }
polkadot-primitives = { workspace = true }
polkadot-runtime-constants = { workspace = true }
sp-core = { workspace = true }
sp-runtime = { workspace = true }
sp-std = { workspace = true }
xcm = { workspace = true }

[features]
default = ["std"]
Expand All @@ -27,5 +30,8 @@ std = [
"polkadot-core-primitives/std",
"polkadot-primitives/std",
"polkadot-runtime-constants/std",
"sp-core/std",
"sp-runtime/std",
"sp-std/std",
"xcm/std",
]
68 changes: 68 additions & 0 deletions system-parachains/constants/src/genesis_presets.rs
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@@ -0,0 +1,68 @@
// Copyright (C) Parity Technologies and the various Polkadot contributors, see Contributions.md
// for a list of specific contributors.
// This file is part of Polkadot.

// Polkadot 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.

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

use parachains_common::AuraId;
use polkadot_primitives::{AccountId, AccountPublic};
use sp_core::{sr25519, Pair, Public};
use sp_runtime::traits::IdentifyAccount;
#[cfg(not(feature = "std"))]
use sp_std::alloc::format;
use sp_std::vec::Vec;

/// Invulnerable Collators
pub fn invulnerables() -> Vec<(parachains_common::AccountId, AuraId)> {
Vec::from([
(get_account_id_from_seed::<sr25519::Public>("Alice"), get_from_seed::<AuraId>("Alice")),
(get_account_id_from_seed::<sr25519::Public>("Bob"), get_from_seed::<AuraId>("Bob")),
])
}

/// Test accounts
pub fn testnet_accounts() -> Vec<AccountId> {
Vec::from([
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"),
])
}

/// 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()
}

/// 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()
}

/// The default XCM version to set in genesis config.
pub const SAFE_XCM_VERSION: u32 = xcm::prelude::XCM_VERSION;
1 change: 1 addition & 0 deletions system-parachains/constants/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@

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

pub mod genesis_presets;
pub mod kusama;
pub mod polkadot;

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