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chain_spec.rs
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chain_spec.rs
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use sp_core::{Pair, Public, sr25519,crypto::UncheckedInto};
use node_template_runtime::{
AccountId, AuraConfig, BalancesConfig, GenesisConfig, GrandpaConfig,
SudoConfig, SystemConfig, WASM_BINARY, Signature
};
use sp_consensus_aura::sr25519::AuthorityId as AuraId;
use sp_finality_grandpa::AuthorityId as GrandpaId;
use sp_runtime::traits::{Verify, IdentifyAccount};
use sc_service::{ChainType,Properties};
use sc_telemetry::TelemetryEndpoints;
use hex_literal::hex;
// The URL for the telemetry server.
// const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
// The URL for the telemetry server.
const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
const DEFAULT_PROTOCOL_ID: &str = "dung";
/// Specialized `ChainSpec`. This is a specialization of the general Substrate ChainSpec type.
pub type ChainSpec = sc_service::GenericChainSpec<GenesisConfig>;
/// Generate a crypto pair from seed.
pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
TPublic::Pair::from_string(&format!("//{}", seed), None)
.expect("static values are valid; qed")
.public()
}
type AccountPublic = <Signature as Verify>::Signer;
/// Generate an account ID from seed.
pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId where
AccountPublic: From<<TPublic::Pair as Pair>::Public>
{
AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
}
/// Generate an Aura authority key.
pub fn authority_keys_from_seed(s: &str) -> (AuraId, GrandpaId) {
(
get_from_seed::<AuraId>(s),
get_from_seed::<GrandpaId>(s),
)
}
pub fn development_config() -> Result<ChainSpec, String> {
let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm not available".to_string())?;
Ok(ChainSpec::from_genesis(
// Name
"Development",
// ID
"dev",
ChainType::Development,
move || testnet_genesis(
wasm_binary,
// Initial PoA authorities
vec![
authority_keys_from_seed("Alice"),
],
// Sudo account
get_account_id_from_seed::<sr25519::Public>("Alice"),
// Pre-funded accounts
vec![
get_account_id_from_seed::<sr25519::Public>("Alice"),
get_account_id_from_seed::<sr25519::Public>("Bob"),
get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
],
true,
),
// Bootnodes
vec![],
// Telemetry
None,
// Protocol ID
None,
// Properties
None,
// Extensions
None,
))
}
pub fn local_testnet_config() -> Result<ChainSpec, String> {
let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm not available".to_string())?;
Ok(ChainSpec::from_genesis(
// Name
"Local Testnet",
// ID
"local_testnet",
ChainType::Local,
move || testnet_genesis(
wasm_binary,
// Initial PoA authorities
vec![
authority_keys_from_seed("Alice"),
authority_keys_from_seed("Bob"),
],
// Sudo account
get_account_id_from_seed::<sr25519::Public>("Alice"),
// Pre-funded accounts
vec![
get_account_id_from_seed::<sr25519::Public>("Alice"),
get_account_id_from_seed::<sr25519::Public>("Bob"),
get_account_id_from_seed::<sr25519::Public>("Charlie"),
get_account_id_from_seed::<sr25519::Public>("Dave"),
get_account_id_from_seed::<sr25519::Public>("Eve"),
get_account_id_from_seed::<sr25519::Public>("Ferdie"),
get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
get_account_id_from_seed::<sr25519::Public>("Charlie//stash"),
get_account_id_from_seed::<sr25519::Public>("Dave//stash"),
get_account_id_from_seed::<sr25519::Public>("Eve//stash"),
get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
],
true,
),
// Bootnodes
vec![],
// Telemetry
None,
// Protocol ID
None,
// Properties
None,
// Extensions
None,
))
}
pub fn testlive_staging_config() -> Result<ChainSpec, String> {
let wasm_binary = WASM_BINARY.ok_or("Staging wasm binary not available".to_string())?;
Ok(ChainSpec::from_genesis(
"Dung",
"dung",
ChainType::Live,
move || testnet_genesis(
wasm_binary,
vec![
(
/* AuraId SR25519 */
hex!["9effc1668ca381c242885516ec9fa2b19c67b6684c02a8a3237b6862e5c8cd7e"].unchecked_into(),
/* GrandpaId ED25519 */
hex!["b48004c6e1625282313b07d1c9950935e86894a2e4f21fb1ffee9854d180c781"].unchecked_into()
),
(
/* AuraId SR25519 */
hex!["74cca68a32156615a5923c67024db70da5e7ed36e70c8cd5bcf3556df152bb6d"].unchecked_into(),
/* GrandpaId ED25519 */
hex!["0fe9065f6450c5501df3efa6b13958949cb4b81a2147d68c14ad25366be1ccb4"].unchecked_into()
),
],
/* Sudo Account */
hex!["24d6d7cd9a0500be768efc7b5508e7861cbde7cfc06819e4dfd9120b97d46d3e"].into(),
vec![
/* Sudo Account */
hex!["24d6d7cd9a0500be768efc7b5508e7861cbde7cfc06819e4dfd9120b97d46d3e"].into(),
hex!["24d6d996a8bb42a63904afc36d610986e8d502f65898da62cb281cfe7f23b02f"].into(),
],
// Treasury
true,
),
vec![],
Some(TelemetryEndpoints::new(
vec![(STAGING_TELEMETRY_URL.to_string(), 0)]
).expect("Staging telemetry url is valid; qed")),
Some(DEFAULT_PROTOCOL_ID),
Some(dung_properties()),
None,
))
}
/// Configure initial storage state for FRAME modules.
fn testnet_genesis(
wasm_binary: &[u8],
initial_authorities: Vec<(AuraId, GrandpaId)>,
root_key: AccountId,
endowed_accounts: Vec<AccountId>,
_enable_println: bool,
) -> GenesisConfig {
GenesisConfig {
frame_system: SystemConfig {
// Add Wasm runtime to storage.
code: wasm_binary.to_vec(),
changes_trie_config: Default::default(),
},
pallet_balances: BalancesConfig {
// Configure endowed accounts with initial balance of 1 << 60.
balances: endowed_accounts.iter().cloned().map(|k|(k, 1 << 60)).collect(),
},
pallet_aura: AuraConfig {
authorities: initial_authorities.iter().map(|x| (x.0.clone())).collect(),
},
pallet_grandpa: GrandpaConfig {
authorities: initial_authorities.iter().map(|x| (x.1.clone(), 1)).collect(),
},
pallet_sudo: SudoConfig {
// Assign network admin rights.
key: root_key,
},
}
}
pub fn dung_properties() -> Properties {
let mut properties = Properties::new();
properties.insert("ss58Format".into(), 28.into());
properties.insert("tokenDecimals".into(), 11.into());
properties.insert("tokenSymbol".into(), "DUNG".into());
properties
}