feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

templates/solochain/runtime/src/genesis_config_presets.rs

@@ -0,0 +1,109 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use crate::{AccountId, BalancesConfig, RuntimeGenesisConfig, SudoConfig};
+use alloc::{vec, vec::Vec};
+use frame_support::build_struct_json_patch;
+use serde_json::Value;
+use sp_consensus_aura::sr25519::AuthorityId as AuraId;
+use sp_consensus_grandpa::AuthorityId as GrandpaId;
+use sp_genesis_builder::{self, PresetId};
+use sp_keyring::Sr25519Keyring;
+
+// Returns the genesis config presets populated with given parameters.
+fn testnet_genesis(
+	initial_authorities: Vec<(AuraId, GrandpaId)>,
+	endowed_accounts: Vec<AccountId>,
+	root: AccountId,
+) -> Value {
+	build_struct_json_patch!(RuntimeGenesisConfig {
+		balances: BalancesConfig {
+			balances: endowed_accounts
+				.iter()
+				.cloned()
+				.map(|k| (k, 1u128 << 60))
+				.collect::<Vec<_>>(),
+		},
+		aura: pallet_aura::GenesisConfig {
+			authorities: initial_authorities.iter().map(|x| (x.0.clone())).collect::<Vec<_>>(),
+		},
+		grandpa: pallet_grandpa::GenesisConfig {
+			authorities: initial_authorities.iter().map(|x| (x.1.clone(), 1)).collect::<Vec<_>>(),
+		},
+		sudo: SudoConfig { key: Some(root) },
+	})
+}
+
+/// Return the development genesis config.
+pub fn development_config_genesis() -> Value {
+	testnet_genesis(
+		vec![(
+			sp_keyring::Sr25519Keyring::Alice.public().into(),
+			sp_keyring::Ed25519Keyring::Alice.public().into(),
+		)],
+		vec![
+			Sr25519Keyring::Alice.to_account_id(),
+			Sr25519Keyring::Bob.to_account_id(),
+			Sr25519Keyring::AliceStash.to_account_id(),
+			Sr25519Keyring::BobStash.to_account_id(),
+		],
+		sp_keyring::Sr25519Keyring::Alice.to_account_id(),
+	)
+}
+
+/// Return the local genesis config preset.
+pub fn local_config_genesis() -> Value {
+	testnet_genesis(
+		vec![
+			(
+				sp_keyring::Sr25519Keyring::Alice.public().into(),
+				sp_keyring::Ed25519Keyring::Alice.public().into(),
+			),
+			(
+				sp_keyring::Sr25519Keyring::Bob.public().into(),
+				sp_keyring::Ed25519Keyring::Bob.public().into(),
+			),
+		],
+		Sr25519Keyring::iter()
+			.filter(|v| v != &Sr25519Keyring::One && v != &Sr25519Keyring::Two)
+			.map(|v| v.to_account_id())
+			.collect::<Vec<_>>(),
+		Sr25519Keyring::Alice.to_account_id(),
+	)
+}
+
+/// Provides the JSON representation of predefined genesis config for given `id`.
+pub fn get_preset(id: &PresetId) -> Option<Vec<u8>> {
+	let patch = match id.as_ref() {
+		sp_genesis_builder::DEV_RUNTIME_PRESET => development_config_genesis(),
+		sp_genesis_builder::LOCAL_TESTNET_RUNTIME_PRESET => local_config_genesis(),
+		_ => return None,
+	};
+	Some(
+		serde_json::to_string(&patch)
+			.expect("serialization to json is expected to work. qed.")
+			.into_bytes(),
+	)
+}
+
+/// List of supported presets.
+pub fn preset_names() -> Vec<PresetId> {
+	vec![
+		PresetId::from(sp_genesis_builder::DEV_RUNTIME_PRESET),
+		PresetId::from(sp_genesis_builder::LOCAL_TESTNET_RUNTIME_PRESET),
+	]
+}