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https://github.com/pezkuwichain/pezkuwi-subxt.git
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Add Parachain Template (#620)
* Add Canvas node as Parachain template * Remove `pallet-contracts` * Point to local Cumulus dependency * Use double quotes instead of single quotes * Get rid of GPL licensing * Remove references to Canvas * Get rid of warnings * Remove GLP-3 License copy-pasta file * Copy in README from `substrate-parachain-template` * Add mention of `polkadot-launch` tool * Add missing screenshot asset * Remove Canvas hidden files and scripts * Rename `template` to `parachain-template` * Remove a few more Canvas references * Add `pallet-template` * Get `pallet-template` compiling * Remove TODOs about Weights * Sort some dependencies * Remove contracts specific const * Change binary name back to `parachain-collator` * RustFmt * Fix mock tests * Purge sneaky whitespace * Add template pallet index to runtime Co-authored-by: Ricardo Rius <9488369+riusricardo@users.noreply.github.com> * Add force authoring to collator `polkadot-launch` config Co-authored-by: Ricardo Rius <9488369+riusricardo@users.noreply.github.com> * Refer README readers to `substrate-parachain-template` * Remove license header in `build.rs` Co-authored-by: Michael Müller <michi@parity.io> * Fix punctuation nitpick Co-authored-by: Michael Müller <michi@parity.io> * Remove unused `lib.rs` file * Add note about Rococo network Co-authored-by: Ricardo Rius <9488369+riusricardo@users.noreply.github.com> Co-authored-by: Michael Müller <michi@parity.io>
This commit is contained in:
Hernando Castano
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use cumulus_primitives_core::ParaId;
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use parachain_template_runtime::{AccountId, AuraId, Signature, EXISTENTIAL_DEPOSIT};
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use sc_chain_spec::{ChainSpecExtension, ChainSpecGroup};
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use sc_service::ChainType;
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use serde::{Deserialize, Serialize};
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use sp_core::{sr25519, Pair, Public};
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use sp_runtime::traits::{IdentifyAccount, Verify};
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/// Specialized `ChainSpec` for the normal parachain runtime.
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pub type ChainSpec =
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sc_service::GenericChainSpec<parachain_template_runtime::GenesisConfig, Extensions>;
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/// Helper function to generate a crypto pair from seed
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pub fn get_pair_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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/// The extensions for the [`ChainSpec`].
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, ChainSpecGroup, ChainSpecExtension)]
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#[serde(deny_unknown_fields)]
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pub struct Extensions {
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/// The relay chain of the Parachain.
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pub relay_chain: String,
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/// The id of the Parachain.
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pub para_id: u32,
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}
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impl Extensions {
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/// Try to get the extension from the given `ChainSpec`.
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pub fn try_get(chain_spec: &dyn sc_service::ChainSpec) -> Option<&Self> {
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sc_chain_spec::get_extension(chain_spec.extensions())
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}
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}
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type AccountPublic = <Signature as Verify>::Signer;
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/// Generate collator keys from seed.
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///
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/// This function's return type must always match the session keys of the chain in tuple format.
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pub fn get_collator_keys_from_seed(seed: &str) -> AuraId {
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get_pair_from_seed::<AuraId>(seed)
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}
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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_pair_from_seed::<TPublic>(seed)).into_account()
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}
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/// Generate the session keys from individual elements.
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///
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/// The input must be a tuple of individual keys (a single arg for now since we have just one key).
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pub fn template_session_keys(keys: AuraId) -> parachain_template_runtime::SessionKeys {
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parachain_template_runtime::SessionKeys { aura: keys }
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}
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pub fn development_config(id: ParaId) -> ChainSpec {
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// Give your base currency a unit name and decimal places
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let mut properties = sc_chain_spec::Properties::new();
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properties.insert("tokenSymbol".into(), "ROC".into());
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properties.insert("tokenDecimals".into(), 12.into());
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properties.insert("ss58Format".into(), 42.into());
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ChainSpec::from_genesis(
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// Name
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"Development",
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// ID
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"dev",
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ChainType::Development,
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move || {
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testnet_genesis(
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// initial collators.
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vec![
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(
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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get_collator_keys_from_seed("Alice"),
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),
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(
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get_account_id_from_seed::<sr25519::Public>("Bob"),
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get_collator_keys_from_seed("Bob"),
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),
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],
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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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id,
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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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Extensions {
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relay_chain: "rococo-local".into(), // You MUST set this to the correct network!
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para_id: id.into(),
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},
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)
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}
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pub fn local_testnet_config(id: ParaId) -> ChainSpec {
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// Give your base currency a unit name and decimal places
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let mut properties = sc_chain_spec::Properties::new();
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properties.insert("tokenSymbol".into(), "ROC".into());
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properties.insert("tokenDecimals".into(), 12.into());
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properties.insert("ss58Format".into(), 42.into());
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ChainSpec::from_genesis(
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// Name
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"Local Testnet",
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// ID
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"local_testnet",
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ChainType::Local,
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move || {
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testnet_genesis(
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// initial collators.
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vec![
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(
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get_account_id_from_seed::<sr25519::Public>("Alice"),
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get_collator_keys_from_seed("Alice"),
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),
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(
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get_account_id_from_seed::<sr25519::Public>("Bob"),
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get_collator_keys_from_seed("Bob"),
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),
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],
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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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id,
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)
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},
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// Bootnodes
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vec![],
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// Telemetry
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None,
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// Protocol ID
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Some("template-local"),
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// Properties
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Some(properties),
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// Extensions
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Extensions {
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relay_chain: "rococo-local".into(), // You MUST set this to the correct network!
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para_id: id.into(),
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},
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)
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}
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fn testnet_genesis(
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invulnerables: Vec<(AccountId, AuraId)>,
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endowed_accounts: Vec<AccountId>,
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id: ParaId,
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) -> parachain_template_runtime::GenesisConfig {
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parachain_template_runtime::GenesisConfig {
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system: parachain_template_runtime::SystemConfig {
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code: parachain_template_runtime::WASM_BINARY
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.expect("WASM binary was not build, please build it!")
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.to_vec(),
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changes_trie_config: Default::default(),
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},
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balances: parachain_template_runtime::BalancesConfig {
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balances: endowed_accounts.iter().cloned().map(|k| (k, 1 << 60)).collect(),
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},
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parachain_info: parachain_template_runtime::ParachainInfoConfig { parachain_id: id },
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collator_selection: parachain_template_runtime::CollatorSelectionConfig {
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invulnerables: invulnerables.iter().cloned().map(|(acc, _)| acc).collect(),
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candidacy_bond: EXISTENTIAL_DEPOSIT * 16,
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..Default::default()
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},
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session: parachain_template_runtime::SessionConfig {
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keys: invulnerables
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.iter()
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.cloned()
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.map(|(acc, aura)| {
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(
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acc.clone(), // account id
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acc, // validator id
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template_session_keys(aura), // session keys
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)
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})
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.collect(),
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},
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// no need to pass anything to aura, in fact it will panic if we do. Session will take care
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// of this.
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aura: Default::default(),
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aura_ext: Default::default(),
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parachain_system: Default::default(),
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}
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}
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