mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-06 05:38:00 +00:00
Stanislav Tkach
76 lines
2.9 KiB
Rust
76 lines
2.9 KiB
Rust
// Copyright 2017-2018 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Tool for creating the genesis block.
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use std::collections::HashMap;
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use runtime_io::twox_128;
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use parity_codec::{Encode, KeyedVec, Joiner};
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use primitives::{Ed25519AuthorityId, ChangesTrieConfiguration, map};
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use primitives::storage::well_known_keys;
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use runtime_primitives::traits::Block;
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/// Configuration of a general Substrate test genesis block.
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pub struct GenesisConfig {
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pub changes_trie_config: Option<ChangesTrieConfiguration>,
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pub authorities: Vec<Ed25519AuthorityId>,
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pub balances: Vec<(Ed25519AuthorityId, u64)>,
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}
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impl GenesisConfig {
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pub fn new_simple(authorities: Vec<Ed25519AuthorityId>, balance: u64) -> Self {
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Self::new(false, authorities, balance)
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}
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pub fn new(support_changes_trie: bool, authorities: Vec<Ed25519AuthorityId>, balance: u64) -> Self {
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GenesisConfig {
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changes_trie_config: match support_changes_trie {
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true => Some(super::changes_trie_config()),
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false => None,
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},
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authorities: authorities.clone(),
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balances: authorities.into_iter().map(|a| (a, balance)).collect(),
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}
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}
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pub fn genesis_map(&self) -> HashMap<Vec<u8>, Vec<u8>> {
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let wasm_runtime = include_bytes!("../wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm").to_vec();
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let mut map: HashMap<Vec<u8>, Vec<u8>> = self.balances.iter()
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.map(|&(account, balance)| (account.to_keyed_vec(b"balance:"), vec![].and(&balance)))
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.map(|(k, v)| (twox_128(&k[..])[..].to_vec(), v.to_vec()))
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.chain(vec![
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(well_known_keys::CODE.into(), wasm_runtime),
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(well_known_keys::HEAP_PAGES.into(), vec![].and(&(16 as u64))),
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(well_known_keys::AUTHORITY_COUNT.into(), vec![].and(&(self.authorities.len() as u32))),
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].into_iter())
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.chain(self.authorities.iter()
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.enumerate()
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.map(|(i, account)| ((i as u32).to_keyed_vec(well_known_keys::AUTHORITY_PREFIX), vec![].and(account)))
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)
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.collect();
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if let Some(ref changes_trie_config) = self.changes_trie_config {
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map.insert(well_known_keys::CHANGES_TRIE_CONFIG.to_vec(), changes_trie_config.encode());
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}
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map
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}
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}
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pub fn additional_storage_with_genesis(genesis_block: &crate::Block) -> HashMap<Vec<u8>, Vec<u8>> {
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map![
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twox_128(&b"latest"[..]).to_vec() => genesis_block.hash().as_fixed_bytes().to_vec()
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]
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}
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