chain_spec.rs

use xsocial_runtime::{AccountId, AuraConfig, BalancesConfig, GenesisConfig, GrandpaConfig, Signature, SudoConfig, SystemConfig, UNIT, WASM_BINARY};
use sc_service::ChainType;
use sc_chain_spec::Properties;
use sc_telemetry::TelemetryEndpoints;
use sp_consensus_aura::sr25519::AuthorityId as AuraId;
use sp_core::{sr25519, Pair, Public};
use sp_finality_grandpa::AuthorityId as GrandpaId;
use sp_runtime::traits::{IdentifyAccount, Verify};
use hex_literal::hex;
use sp_core::crypto::UncheckedInto;

// The URL for the telemetry server.
const STAGING_TELEMETRY_URL: &str = "wss://telemetry.polkadot.io/submit/";
const DEFAULT_PROTOCOL_ID: &str = "sub-xsocial-v0";

/// 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,
		None,
		// Properties
		Some(subsocial_properties()),
		// 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,
		None,
		// Extensions
		None,
	))
}

pub fn xsocial_testnet_config() -> Result<ChainSpec, String> {
	ChainSpec::from_json_bytes(&include_bytes!("../res/xsocial.json")[..])
}

pub fn staging_testnet_config() -> Result<ChainSpec, String> {
	let wasm_binary = WASM_BINARY.ok_or_else(|| "Development wasm not available".to_string())?;

	Ok(ChainSpec::from_genesis(
		// Name
		"XSocial Testnet",
		// ID
		"xsocial_testnet",
		ChainType::Live,
		move || {
			let root_key: AccountId = hex!["a8d5b1558ee63ed2c55c8fb71afd2cbe7a2f61c0fc2dbab741ca652ecf6a3f45"].into();
			let initial_authorities: Vec<(AuraId, GrandpaId)> = vec![
				(
					hex!["d4f4482d82913b5a4ef195bba7ec5567ee04b6ea784139c04ee5e77530670149"].unchecked_into(),
					hex!["419c48625508cc74c8c125dd0132158d3583b479975e516c3c2cc1457d11a7c5"].unchecked_into(),
				),
				(
					hex!["640f97526d653b620d1ccbdefa4cb212cc0dfc76f77a0f631f96f009d986464b"].unchecked_into(),
					hex!["b553650f5032ecadba5df3bd35e8d280bc6f5cdff1beda8c504d6cfecc89c63a"].unchecked_into(),
				),
			];

			testnet_genesis(
				wasm_binary,
				// Initial PoA authorities
				initial_authorities,
				// Sudo account
				root_key.clone(),
				// Pre-funded accounts
				vec![root_key.clone()],
				true,
			)
		},
		// Bootnodes
		vec![],
		// Telemetry
		TelemetryEndpoints::new(vec![(STAGING_TELEMETRY_URL.to_string(), 0)]).ok(),
		// Protocol ID
		Some(DEFAULT_PROTOCOL_ID),
		// Properties
		None,
		Some(subsocial_properties()),
		// Extensions
		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 {
		system: SystemConfig {
			// Add Wasm runtime to storage.
			code: wasm_binary.to_vec(),
		},
		balances: BalancesConfig {
			// Configure endowed accounts with initial balance of 1 << 60.
			balances: endowed_accounts.iter().cloned().map(|k| (k, 1_000_000 * UNIT)).collect(),
		},
		aura: AuraConfig {
			authorities: initial_authorities.iter().map(|x| (x.0.clone())).collect(),
		},
		grandpa: GrandpaConfig {
			authorities: initial_authorities.iter().map(|x| (x.1.clone(), 1)).collect(),
		},
		sudo: SudoConfig {
			// Assign network admin rights.
			key: Some(root_key.clone()),
		},
		transaction_payment: Default::default(),
		spaces: xsocial_runtime::SpacesConfig {
			endowed_account: Some(root_key),
		},
	}
}

pub fn subsocial_properties() -> Properties {
	let mut properties = Properties::new();

	properties.insert("ss58Format".into(), 28.into());
	properties.insert("tokenDecimals".into(), 10.into());
	properties.insert("tokenSymbol".into(), "SUB".into());

	properties
}