People chain nit + added to the runtimes-matrix.json (#245)

##TODO 

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- [x] Does not require a CHANGELOG entry
- [x] create tracking issue for adding `uri` to the
`runtimes-matrix.json` when deployed live - as a part of
#186
- [x] regenerate weights

.github/workflows/runtimes-matrix.json

@@ -54,6 +54,12 @@
     "uri": "wss://polkadot-collectives-rpc.polkadot.io:443",
     "is_relay": false
   },
+  {
+    "name": "people-kusama",
+    "package": "people-kusama-runtime",
+    "path": "system-parachains/people/people-kusama",
+    "is_relay": false
+  },
   {
     "name": "encointer-kusama",
     "package": "encointer-kusama-runtime",

chain-spec-generator/Cargo.toml

@@ -37,6 +37,7 @@ bridge-hub-polkadot-runtime = { path = "../system-parachains/bridge-hubs/bridge-
 bridge-hub-kusama-runtime = { path = "../system-parachains/bridge-hubs/bridge-hub-kusama" }
 encointer-kusama-runtime = { path = "../system-parachains/encointer" }
 glutton-kusama-runtime = { path = "../system-parachains/gluttons/glutton-kusama" }
+people-kusama-runtime = { path = "../system-parachains/people/people-kusama" }
 
 [features]
 fast-runtime = [
@@ -53,4 +54,5 @@ runtime-benchmarks = [
 	"polkadot-runtime/runtime-benchmarks",
 	"encointer-kusama-runtime/runtime-benchmarks",
 	"glutton-kusama-runtime/runtime-benchmarks",
+	"people-kusama-runtime/runtime-benchmarks",
 ]

chain-spec-generator/src/main.rs

@@ -86,6 +86,11 @@ fn main() -> Result<(), String> {
 				Box::new(|| system_parachains_specs::encointer_kusama_local_testnet_config())
 					as Box<_>,
 			),
+			(
+				"people-kusama-local",
+				Box::new(|| system_parachains_specs::people_kusama_local_testnet_config())
+					as Box<_>,
+			),
 		]);
 
 	if let Some(function) = supported_chains.get(&*cli.chain) {

chain-spec-generator/src/system_parachains_specs.rs

@@ -46,6 +46,8 @@ pub type GluttonKusamaChainSpec = sc_chain_spec::GenericChainSpec<(), Extensions
 
 pub type EncointerKusamaChainSpec = sc_chain_spec::GenericChainSpec<(), Extensions>;
 
+pub type PeopleKusamaChainSpec = sc_chain_spec::GenericChainSpec<(), Extensions>;
+
 const ASSET_HUB_POLKADOT_ED: Balance = asset_hub_polkadot_runtime::ExistentialDeposit::get();
 
 const ASSET_HUB_KUSAMA_ED: Balance = asset_hub_kusama_runtime::ExistentialDeposit::get();
@@ -58,6 +60,8 @@ const BRIDGE_HUB_KUSAMA_ED: Balance = bridge_hub_kusama_runtime::ExistentialDepo
 
 const ENCOINTER_KUSAMA_ED: Balance = encointer_kusama_runtime::ExistentialDeposit::get();
 
+const PEOPLE_KUSAMA_ED: Balance = people_kusama_runtime::ExistentialDeposit::get();
+
 /// The default XCM version to set in genesis config.
 const SAFE_XCM_VERSION: u32 = xcm::prelude::XCM_VERSION;
 
@@ -122,6 +126,13 @@ pub fn bridge_hub_kusama_session_keys(keys: AuraId) -> bridge_hub_kusama_runtime
 	bridge_hub_kusama_runtime::SessionKeys { aura: keys }
 }
 
+/// Generate the session keys from individual elements.
+///
+/// The input must be a tuple of individual keys (a single arg for now since we have just one key).
+pub fn people_kusama_session_keys(keys: AuraId) -> people_kusama_runtime::SessionKeys {
+	people_kusama_runtime::SessionKeys { aura: keys }
+}
+
 // AssetHubPolkadot
 fn asset_hub_polkadot_genesis(
 	invulnerables: Vec<(AccountId, AssetHubPolkadotAuraId)>,
@@ -564,3 +575,75 @@ pub fn encointer_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, Str
 		.build(),
 	))
 }
+
+// PeopleKusama
+fn people_kusama_genesis(
+	invulnerables: Vec<(AccountId, AuraId)>,
+	endowed_accounts: Vec<AccountId>,
+	id: ParaId,
+) -> serde_json::Value {
+	serde_json::json!({
+		"balances": people_kusama_runtime::BalancesConfig {
+			balances: endowed_accounts
+				.iter()
+				.cloned()
+				.map(|k| (k, PEOPLE_KUSAMA_ED * 4096 * 4096))
+				.collect(),
+		},
+		"parachainInfo": people_kusama_runtime::ParachainInfoConfig {
+			parachain_id: id,
+			..Default::default()
+		},
+		"collatorSelection": people_kusama_runtime::CollatorSelectionConfig {
+			invulnerables: invulnerables.iter().cloned().map(|(acc, _)| acc).collect(),
+			candidacy_bond: PEOPLE_KUSAMA_ED * 16,
+			..Default::default()
+		},
+		"session": people_kusama_runtime::SessionConfig {
+			keys: invulnerables
+				.into_iter()
+				.map(|(acc, aura)| {
+					(
+						acc.clone(),                         // account id
+						acc,                                 // validator id
+						people_kusama_session_keys(aura), // session keys
+					)
+				})
+				.collect(),
+		},
+		"polkadotXcm": {
+			"safeXcmVersion": Some(SAFE_XCM_VERSION),
+		},
+		// no need to pass anything to aura, in fact it will panic if we do. Session will take care
+		// of this. `aura: Default::default()`
+	})
+}
+
+fn people_kusama_local_genesis(para_id: ParaId) -> serde_json::Value {
+	people_kusama_genesis(
+		// initial collators.
+		invulnerables(),
+		testnet_accounts(),
+		para_id,
+	)
+}
+
+pub fn people_kusama_local_testnet_config() -> Result<Box<dyn ChainSpec>, String> {
+	let mut properties = sc_chain_spec::Properties::new();
+	properties.insert("ss58Format".into(), 2.into());
+	properties.insert("tokenSymbol".into(), "KSM".into());
+	properties.insert("tokenDecimals".into(), 12.into());
+
+	Ok(Box::new(
+		PeopleKusamaChainSpec::builder(
+			people_kusama_runtime::WASM_BINARY.expect("PeopleKusama wasm not available!"),
+			Extensions { relay_chain: "kusama-local".into(), para_id: 1004 },
+		)
+		.with_name("Kusama People Local")
+		.with_id("people-kusama-local")
+		.with_chain_type(ChainType::Local)
+		.with_genesis_config_patch(people_kusama_local_genesis(1004.into()))
+		.with_properties(properties)
+		.build(),
+	))
+}