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