mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-11 04:51:09 +00:00
Events sub (#126)
* Make event subscription logic more generic. * Fix build. * Add test-node. * Update deps. * Address review comments.
This commit is contained in:
David Craven
@@ -0,0 +1,161 @@
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// Copyright 2019-2020 Parity Technologies (UK) Ltd.
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// This file is part of substrate-subxt.
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//
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// subxt 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
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
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||||
//
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||||
// subxt is distributed in the hope that it will be useful,
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||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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||||
// GNU General Public License for more details.
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//
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||||
// You should have received a copy of the GNU General Public License
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||||
// along with substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
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use sc_service::ChainType;
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use sp_consensus_aura::sr25519::AuthorityId as AuraId;
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use sp_core::{
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sr25519,
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Pair,
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Public,
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};
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use sp_finality_grandpa::AuthorityId as GrandpaId;
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use sp_runtime::traits::{
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IdentifyAccount,
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Verify,
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};
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use test_node_runtime::{
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AccountId,
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AuraConfig,
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BalancesConfig,
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GenesisConfig,
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GrandpaConfig,
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Signature,
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SudoConfig,
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SystemConfig,
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WASM_BINARY,
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};
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// Note this is the URL for the telemetry server
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// const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
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/// Specialized `ChainSpec`. This is a specialization of the general Substrate ChainSpec type.
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pub type ChainSpec = sc_service::GenericChainSpec<GenesisConfig>;
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/// Helper function to generate a crypto pair from seed
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pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
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TPublic::Pair::from_string(&format!("//{}", seed), None)
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.expect("static values are valid; qed")
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.public()
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}
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type AccountPublic = <Signature as Verify>::Signer;
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/// Helper function to generate an account ID from seed
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pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId
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where
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AccountPublic: From<<TPublic::Pair as Pair>::Public>,
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{
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AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
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}
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/// Helper function to generate an authority key for Aura
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pub fn authority_keys_from_seed(s: &str) -> (AuraId, GrandpaId) {
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(get_from_seed::<AuraId>(s), get_from_seed::<GrandpaId>(s))
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}
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pub fn development_config() -> ChainSpec {
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ChainSpec::from_genesis(
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"Development",
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"dev",
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ChainType::Development,
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|| {
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testnet_genesis(
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vec![authority_keys_from_seed("Alice")],
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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vec![
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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get_account_id_from_seed::<sr25519::Public>("Bob"),
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get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
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get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
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],
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true,
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)
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},
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vec![],
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None,
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None,
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None,
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None,
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)
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}
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pub fn local_testnet_config() -> ChainSpec {
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ChainSpec::from_genesis(
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"Local Testnet",
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"local_testnet",
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ChainType::Local,
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|| {
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testnet_genesis(
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vec![
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authority_keys_from_seed("Alice"),
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authority_keys_from_seed("Bob"),
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],
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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vec![
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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get_account_id_from_seed::<sr25519::Public>("Bob"),
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get_account_id_from_seed::<sr25519::Public>("Charlie"),
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get_account_id_from_seed::<sr25519::Public>("Dave"),
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get_account_id_from_seed::<sr25519::Public>("Eve"),
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get_account_id_from_seed::<sr25519::Public>("Ferdie"),
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get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
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get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
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get_account_id_from_seed::<sr25519::Public>("Charlie//stash"),
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get_account_id_from_seed::<sr25519::Public>("Dave//stash"),
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get_account_id_from_seed::<sr25519::Public>("Eve//stash"),
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get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
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],
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true,
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)
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},
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vec![],
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None,
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None,
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None,
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None,
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)
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}
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fn testnet_genesis(
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initial_authorities: Vec<(AuraId, GrandpaId)>,
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root_key: AccountId,
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endowed_accounts: Vec<AccountId>,
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_enable_println: bool,
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) -> GenesisConfig {
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GenesisConfig {
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system: Some(SystemConfig {
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code: WASM_BINARY.to_vec(),
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changes_trie_config: Default::default(),
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}),
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balances: Some(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, 1 << 60))
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.collect(),
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}),
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aura: Some(AuraConfig {
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authorities: initial_authorities.iter().map(|x| (x.0.clone())).collect(),
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}),
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grandpa: Some(GrandpaConfig {
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authorities: initial_authorities
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.iter()
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.map(|x| (x.1.clone(), 1))
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.collect(),
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}),
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sudo: Some(SudoConfig { key: root_key }),
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}
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}
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@@ -0,0 +1,30 @@
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// Copyright 2019-2020 Parity Technologies (UK) Ltd.
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// This file is part of substrate-subxt.
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//
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// subxt 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
|
||||
// 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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//
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// subxt 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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//
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// You should have received a copy of the GNU General Public License
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// along with substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
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use sc_cli::{
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RunCmd,
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Subcommand,
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};
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use structopt::StructOpt;
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#[derive(Debug, StructOpt)]
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pub struct Cli {
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#[structopt(subcommand)]
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pub subcommand: Option<Subcommand>,
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#[structopt(flatten)]
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pub run: RunCmd,
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}
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@@ -0,0 +1,84 @@
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// Copyright 2019-2020 Parity Technologies (UK) Ltd.
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// This file is part of substrate-subxt.
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//
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// subxt 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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//
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// subxt 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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//
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// You should have received a copy of the GNU General Public License
|
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// along with substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
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use crate::{
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chain_spec,
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cli::Cli,
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service,
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};
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use sc_cli::SubstrateCli;
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impl SubstrateCli for Cli {
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fn impl_name() -> &'static str {
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"Substrate Node"
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}
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fn impl_version() -> &'static str {
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env!("SUBSTRATE_CLI_IMPL_VERSION")
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}
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fn description() -> &'static str {
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env!("CARGO_PKG_DESCRIPTION")
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}
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fn author() -> &'static str {
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env!("CARGO_PKG_AUTHORS")
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}
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fn support_url() -> &'static str {
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"support.anonymous.an"
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}
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fn copyright_start_year() -> i32 {
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2017
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}
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fn executable_name() -> &'static str {
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env!("CARGO_PKG_NAME")
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}
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fn load_spec(&self, id: &str) -> Result<Box<dyn sc_service::ChainSpec>, String> {
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Ok(match id {
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"dev" => Box::new(chain_spec::development_config()),
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"" | "local" => Box::new(chain_spec::local_testnet_config()),
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path => {
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Box::new(chain_spec::ChainSpec::from_json_file(
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std::path::PathBuf::from(path),
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)?)
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}
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})
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}
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}
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/// Parse and run command line arguments
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pub fn run() -> sc_cli::Result<()> {
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let cli = Cli::from_args();
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match &cli.subcommand {
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Some(subcommand) => {
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let runner = cli.create_runner(subcommand)?;
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runner.run_subcommand(subcommand, |config| Ok(new_full_start!(config).0))
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}
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None => {
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let runner = cli.create_runner(&cli.run)?;
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runner.run_node(
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service::new_light,
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service::new_full,
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test_node_runtime::VERSION,
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)
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}
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}
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}
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@@ -0,0 +1,18 @@
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// Copyright 2019-2020 Parity Technologies (UK) Ltd.
|
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// This file is part of substrate-subxt.
|
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//
|
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// subxt 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.
|
||||
//
|
||||
// subxt 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 substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
|
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pub mod chain_spec;
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pub mod service;
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@@ -0,0 +1,28 @@
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// Copyright 2019-2020 Parity Technologies (UK) Ltd.
|
||||
// This file is part of substrate-subxt.
|
||||
//
|
||||
// subxt 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.
|
||||
//
|
||||
// subxt 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 substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! Substrate Node Template CLI library.
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#![warn(missing_docs)]
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mod chain_spec;
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#[macro_use]
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mod service;
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mod cli;
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mod command;
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fn main() -> sc_cli::Result<()> {
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command::run()
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}
|
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@@ -0,0 +1,303 @@
|
||||
// Copyright 2019-2020 Parity Technologies (UK) Ltd.
|
||||
// This file is part of substrate-subxt.
|
||||
//
|
||||
// subxt 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.
|
||||
//
|
||||
// subxt 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 substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//! Service and ServiceFactory implementation. Specialized wrapper over substrate service.
|
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|
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use sc_client_api::ExecutorProvider;
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use sc_consensus::LongestChain;
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use sc_executor::native_executor_instance;
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pub use sc_executor::NativeExecutor;
|
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use sc_finality_grandpa::{
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FinalityProofProvider as GrandpaFinalityProofProvider,
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SharedVoterState,
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StorageAndProofProvider,
|
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};
|
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use sc_service::{
|
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error::Error as ServiceError,
|
||||
AbstractService,
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Configuration,
|
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ServiceBuilder,
|
||||
};
|
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use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
|
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use sp_inherents::InherentDataProviders;
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use std::{
|
||||
sync::Arc,
|
||||
time::Duration,
|
||||
};
|
||||
use test_node_runtime::{
|
||||
self,
|
||||
opaque::Block,
|
||||
RuntimeApi,
|
||||
};
|
||||
|
||||
// Our native executor instance.
|
||||
native_executor_instance!(
|
||||
pub Executor,
|
||||
test_node_runtime::api::dispatch,
|
||||
test_node_runtime::native_version,
|
||||
);
|
||||
|
||||
/// Starts a `ServiceBuilder` for a full service.
|
||||
///
|
||||
/// Use this macro if you don't actually need the full service, but just the builder in order to
|
||||
/// be able to perform chain operations.
|
||||
macro_rules! new_full_start {
|
||||
($config:expr) => {{
|
||||
use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
|
||||
use std::sync::Arc;
|
||||
|
||||
let mut import_setup = None;
|
||||
let inherent_data_providers = sp_inherents::InherentDataProviders::new();
|
||||
|
||||
let builder =
|
||||
sc_service::ServiceBuilder::new_full::<
|
||||
test_node_runtime::opaque::Block,
|
||||
test_node_runtime::RuntimeApi,
|
||||
crate::service::Executor,
|
||||
>($config)?
|
||||
.with_select_chain(|_config, backend| {
|
||||
Ok(sc_consensus::LongestChain::new(backend.clone()))
|
||||
})?
|
||||
.with_transaction_pool(|builder| {
|
||||
let pool_api =
|
||||
sc_transaction_pool::FullChainApi::new(builder.client().clone());
|
||||
Ok(sc_transaction_pool::BasicPool::new(
|
||||
builder.config().transaction_pool.clone(),
|
||||
std::sync::Arc::new(pool_api),
|
||||
builder.prometheus_registry(),
|
||||
))
|
||||
})?
|
||||
.with_import_queue(
|
||||
|_config,
|
||||
client,
|
||||
mut select_chain,
|
||||
_transaction_pool,
|
||||
spawn_task_handle,
|
||||
registry| {
|
||||
let select_chain = select_chain
|
||||
.take()
|
||||
.ok_or_else(|| sc_service::Error::SelectChainRequired)?;
|
||||
|
||||
let (grandpa_block_import, grandpa_link) =
|
||||
sc_finality_grandpa::block_import(
|
||||
client.clone(),
|
||||
&(client.clone() as Arc<_>),
|
||||
select_chain,
|
||||
)?;
|
||||
|
||||
let aura_block_import =
|
||||
sc_consensus_aura::AuraBlockImport::<_, _, _, AuraPair>::new(
|
||||
grandpa_block_import.clone(),
|
||||
client.clone(),
|
||||
);
|
||||
|
||||
let import_queue =
|
||||
sc_consensus_aura::import_queue::<_, _, _, AuraPair, _>(
|
||||
sc_consensus_aura::slot_duration(&*client)?,
|
||||
aura_block_import,
|
||||
Some(Box::new(grandpa_block_import.clone())),
|
||||
None,
|
||||
client,
|
||||
inherent_data_providers.clone(),
|
||||
spawn_task_handle,
|
||||
registry,
|
||||
)?;
|
||||
|
||||
import_setup = Some((grandpa_block_import, grandpa_link));
|
||||
|
||||
Ok(import_queue)
|
||||
},
|
||||
)?;
|
||||
|
||||
(builder, import_setup, inherent_data_providers)
|
||||
}};
|
||||
}
|
||||
|
||||
/// Builds a new service for a full client.
|
||||
pub fn new_full(config: Configuration) -> Result<impl AbstractService, ServiceError> {
|
||||
let role = config.role.clone();
|
||||
let force_authoring = config.force_authoring;
|
||||
let name = config.network.node_name.clone();
|
||||
let disable_grandpa = config.disable_grandpa;
|
||||
|
||||
let (builder, mut import_setup, inherent_data_providers) = new_full_start!(config);
|
||||
|
||||
let (block_import, grandpa_link) =
|
||||
import_setup.take()
|
||||
.expect("Link Half and Block Import are present for Full Services or setup failed before. qed");
|
||||
|
||||
let service = builder
|
||||
.with_finality_proof_provider(|client, backend| {
|
||||
// GenesisAuthoritySetProvider is implemented for StorageAndProofProvider
|
||||
let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
|
||||
Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
|
||||
})?
|
||||
.build()?;
|
||||
|
||||
if role.is_authority() {
|
||||
let proposer = sc_basic_authorship::ProposerFactory::new(
|
||||
service.client(),
|
||||
service.transaction_pool(),
|
||||
service.prometheus_registry().as_ref(),
|
||||
);
|
||||
|
||||
let client = service.client();
|
||||
let select_chain = service
|
||||
.select_chain()
|
||||
.ok_or(ServiceError::SelectChainRequired)?;
|
||||
|
||||
let can_author_with =
|
||||
sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone());
|
||||
|
||||
let aura = sc_consensus_aura::start_aura::<_, _, _, _, _, AuraPair, _, _, _>(
|
||||
sc_consensus_aura::slot_duration(&*client)?,
|
||||
client,
|
||||
select_chain,
|
||||
block_import,
|
||||
proposer,
|
||||
service.network(),
|
||||
inherent_data_providers.clone(),
|
||||
force_authoring,
|
||||
service.keystore(),
|
||||
can_author_with,
|
||||
)?;
|
||||
|
||||
// the AURA authoring task is considered essential, i.e. if it
|
||||
// fails we take down the service with it.
|
||||
service.spawn_essential_task("aura", aura);
|
||||
}
|
||||
|
||||
// if the node isn't actively participating in consensus then it doesn't
|
||||
// need a keystore, regardless of which protocol we use below.
|
||||
let keystore = if role.is_authority() {
|
||||
Some(service.keystore())
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let grandpa_config = sc_finality_grandpa::Config {
|
||||
// #1578 make this available through chainspec
|
||||
gossip_duration: Duration::from_millis(333),
|
||||
justification_period: 512,
|
||||
name: Some(name),
|
||||
observer_enabled: false,
|
||||
keystore,
|
||||
is_authority: role.is_network_authority(),
|
||||
};
|
||||
|
||||
let enable_grandpa = !disable_grandpa;
|
||||
if enable_grandpa {
|
||||
// start the full GRANDPA voter
|
||||
// NOTE: non-authorities could run the GRANDPA observer protocol, but at
|
||||
// this point the full voter should provide better guarantees of block
|
||||
// and vote data availability than the observer. The observer has not
|
||||
// been tested extensively yet and having most nodes in a network run it
|
||||
// could lead to finality stalls.
|
||||
let grandpa_config = sc_finality_grandpa::GrandpaParams {
|
||||
config: grandpa_config,
|
||||
link: grandpa_link,
|
||||
network: service.network(),
|
||||
inherent_data_providers: inherent_data_providers.clone(),
|
||||
telemetry_on_connect: Some(service.telemetry_on_connect_stream()),
|
||||
voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),
|
||||
prometheus_registry: service.prometheus_registry(),
|
||||
shared_voter_state: SharedVoterState::empty(),
|
||||
};
|
||||
|
||||
// the GRANDPA voter task is considered infallible, i.e.
|
||||
// if it fails we take down the service with it.
|
||||
service.spawn_essential_task(
|
||||
"grandpa-voter",
|
||||
sc_finality_grandpa::run_grandpa_voter(grandpa_config)?,
|
||||
);
|
||||
} else {
|
||||
sc_finality_grandpa::setup_disabled_grandpa(
|
||||
service.client(),
|
||||
&inherent_data_providers,
|
||||
service.network(),
|
||||
)?;
|
||||
}
|
||||
|
||||
Ok(service)
|
||||
}
|
||||
|
||||
/// Builds a new service for a light client.
|
||||
pub fn new_light(config: Configuration) -> Result<impl AbstractService, ServiceError> {
|
||||
let inherent_data_providers = InherentDataProviders::new();
|
||||
|
||||
ServiceBuilder::new_light::<Block, RuntimeApi, Executor>(config)?
|
||||
.with_select_chain(|_config, backend| {
|
||||
Ok(LongestChain::new(backend.clone()))
|
||||
})?
|
||||
.with_transaction_pool(|builder| {
|
||||
let fetcher = builder.fetcher()
|
||||
.ok_or_else(|| "Trying to start light transaction pool without active fetcher")?;
|
||||
|
||||
let pool_api = sc_transaction_pool::LightChainApi::new(
|
||||
builder.client().clone(),
|
||||
fetcher.clone(),
|
||||
);
|
||||
let pool = sc_transaction_pool::BasicPool::with_revalidation_type(
|
||||
builder.config().transaction_pool.clone(),
|
||||
Arc::new(pool_api),
|
||||
builder.prometheus_registry(),
|
||||
sc_transaction_pool::RevalidationType::Light,
|
||||
);
|
||||
Ok(pool)
|
||||
})?
|
||||
.with_import_queue_and_fprb(|
|
||||
_config,
|
||||
client,
|
||||
backend,
|
||||
fetcher,
|
||||
_select_chain,
|
||||
_tx_pool,
|
||||
spawn_task_handle,
|
||||
prometheus_registry,
|
||||
| {
|
||||
let fetch_checker = fetcher
|
||||
.map(|fetcher| fetcher.checker().clone())
|
||||
.ok_or_else(|| "Trying to start light import queue without active fetch checker")?;
|
||||
let grandpa_block_import = sc_finality_grandpa::light_block_import(
|
||||
client.clone(),
|
||||
backend,
|
||||
&(client.clone() as Arc<_>),
|
||||
Arc::new(fetch_checker),
|
||||
)?;
|
||||
let finality_proof_import = grandpa_block_import.clone();
|
||||
let finality_proof_request_builder =
|
||||
finality_proof_import.create_finality_proof_request_builder();
|
||||
|
||||
let import_queue = sc_consensus_aura::import_queue::<_, _, _, AuraPair, _>(
|
||||
sc_consensus_aura::slot_duration(&*client)?,
|
||||
grandpa_block_import,
|
||||
None,
|
||||
Some(Box::new(finality_proof_import)),
|
||||
client,
|
||||
inherent_data_providers.clone(),
|
||||
spawn_task_handle,
|
||||
prometheus_registry,
|
||||
)?;
|
||||
|
||||
Ok((import_queue, finality_proof_request_builder))
|
||||
})?
|
||||
.with_finality_proof_provider(|client, backend| {
|
||||
// GenesisAuthoritySetProvider is implemented for StorageAndProofProvider
|
||||
let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
|
||||
Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
|
||||
})?
|
||||
.build()
|
||||
}
|
||||
Reference in New Issue
Block a user