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chain_spec.rs
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chain_spec.rs
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use sp_core::{Pair, Public, sr25519, ed25519};
use node_template_runtime::{
AccountId, AuraConfig, BalancesConfig, GenesisConfig, GrandpaConfig,
SudoConfig, SystemConfig, WASM_BINARY, Signature, WeHubConfig,
};
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;
use hex_literal::hex;
// The URL for the telemetry server.
// const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
/// 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 binary 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"),
],
// Off-chain authorities
vec![
hex!["8b3b84c10aac8abf34906f5387b93ee126abc3c03da91da3aca030b868f97a02"].into(),
],
// 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 binary 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![
(
sr25519::Public::from_slice(&hex!("8d8dc4b6f620b6cc03382997a1b162f5daefea8508378274d1dd45843a8f0db6")).into(), // node-0
ed25519::Public::from_slice(&hex!("8d8dc4b6f620b6cc03382997a1b162f5daefea8508378274d1dd45843a8f0db6")).into(),
),
(
sr25519::Public::from_slice(&hex!("36a6655d34ea6be1bbbe6efcf2b2615465f87196cc9ffd19321e798c6626d71e")).into(), // node-1
ed25519::Public::from_slice(&hex!("36a6655d34ea6be1bbbe6efcf2b2615465f87196cc9ffd19321e798c6626d71e")).into(),
),
],
// Off-chain authorities
vec![
hex!("8d8dc4b6f620b6cc03382997a1b162f5daefea8508378274d1dd45843a8f0db6").into(), // node-0
hex!("36a6655d34ea6be1bbbe6efcf2b2615465f87196cc9ffd19321e798c6626d71e").into(), // node-1
],
// Sudo account
sr25519::Public::from_slice(&hex!("8d8dc4b6f620b6cc03382997a1b162f5daefea8508378274d1dd45843a8f0db6")).into(), // node-0
// Pre-funded accounts
vec![
hex!("8b3b84c10aac8abf34906f5387b93ee126abc3c03da91da3aca030b868f97a02").into(), // node-0
hex!("8b3b84c10aac8abf34906f5387b93ee126abc3c03da91da3aca030b868f97a02").into(), // node-1
],
true,
),
// Bootnodes
vec![],
// Telemetry
None,
// Protocol ID
None,
// Properties
None,
// Extensions
None,
))
}
pub fn public_testnet_config() -> Result<ChainSpec, String> {
let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm binary not available".to_string())?;
Ok(ChainSpec::from_genesis(
// Name
"Jackblock Testnet",
// ID
"jackblock_testnet",
ChainType::Live,
move || testnet_genesis(
wasm_binary,
// Initial PoA authorities
vec![
(
sr25519::Public::from_slice(&hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08")).into(), // repo
ed25519::Public::from_slice(&hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08")).into(),
),
(
sr25519::Public::from_slice(&hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08")).into(), // nunez
ed25519::Public::from_slice(&hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08")).into(),
),
(
sr25519::Public::from_slice(&hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08")).into(), // testing
ed25519::Public::from_slice(&hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08")).into(),
),
],
// Off-chain authorities
vec![
hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08").into(), // repo
hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08").into(), // nunez
hex!("e0a1a14dba60a8c8e934691d2c494ffc81ebc27f1ffba8b01e3554e69b676e08").into(), // testing
],
// Sudo account
sr25519::Public::from_slice(&hex!("8b3b84c10aac8abf34906f5387b93ee126abc3c03da91da3aca030b868f97a02")).into(), // node-0
// Pre-funded accounts
vec![
hex!("8b3b84c10aac8abf34906f5387b93ee126abc3c03da91da3aca030b868f97a02").into(), // repo
hex!("8b3b84c10aac8abf34906f5387b93ee126abc3c03da91da3aca030b868f97a02").into(), // nunez
hex!("8b3b84c10aac8abf34906f5387b93ee126abc3c03da91da3aca030b868f97a02").into(), // testing
],
true,
),
// Bootnodes
vec![],
// Telemetry
None,
// Protocol ID
None,
// Properties
None,
// Extensions
None,
))
}
/// Configure initial storage state for FRAME modules.
fn testnet_genesis(
wasm_binary: &[u8],
initial_authorities: Vec<(AuraId, GrandpaId)>,
offchain_authorities: Vec<AccountId>, // TO BE REMOVED --------------------------
root_key: AccountId,
endowed_accounts: Vec<AccountId>,
_enable_println: bool,
) -> GenesisConfig {
GenesisConfig {
frame_system: Some(SystemConfig {
// Add Wasm runtime to storage.
code: wasm_binary.to_vec(),
changes_trie_config: Default::default(),
}),
pallet_balances: Some(BalancesConfig {
// Configure endowed accounts with initial balance of 1 << 60.
balances: endowed_accounts.iter().cloned().map(|k|(k, 1 << 60)).collect(),
}),
pallet_aura: Some(AuraConfig {
authorities: initial_authorities.iter().map(|x| (x.0.clone())).collect(),
}),
pallet_grandpa: Some(GrandpaConfig {
authorities: initial_authorities.iter().map(|x| (x.1.clone(), 1)).collect(),
}),
pallet_sudo: Some(SudoConfig {
// Assign network admin rights.
key: root_key,
}),
pallet_wehub: Some(WeHubConfig {
offchain_authorities,
}),
}
}