Add bootnode code prior used in testnet-internal (#554)

* Add bootnode code prior used in testnet-internal

Also performs the devnet/testnet differentation done since the testnet branch.

* Fixes

* fmt

substrate/node/src/chain_spec.rs

@@ -1,6 +1,7 @@
 use core::marker::PhantomData;
+use std::collections::HashSet;
 
-use sp_core::Pair as PairTrait;
+use sp_core::{Decode, Pair as PairTrait, sr25519::Public};
 
 use sc_service::ChainType;
 
@@ -23,7 +24,7 @@ fn wasm_binary() -> Vec<u8> {
   WASM_BINARY.ok_or("compiled in wasm not available").unwrap().to_vec()
 }
 
-fn testnet_genesis(
+fn devnet_genesis(
   wasm_binary: &[u8],
   validators: &[&'static str],
   endowed_accounts: Vec<PublicKey>,
@@ -72,6 +73,57 @@ fn testnet_genesis(
   }
 }
 
+fn testnet_genesis(wasm_binary: &[u8], validators: Vec<&'static str>) -> RuntimeGenesisConfig {
+  let validators = validators
+    .into_iter()
+    .map(|validator| Public::decode(&mut hex::decode(validator).unwrap().as_slice()).unwrap())
+    .collect::<Vec<_>>();
+
+  assert_eq!(validators.iter().collect::<HashSet<_>>().len(), validators.len());
+
+  RuntimeGenesisConfig {
+    system: SystemConfig { code: wasm_binary.to_vec(), _config: PhantomData },
+
+    transaction_payment: Default::default(),
+
+    coins: CoinsConfig {
+      accounts: validators
+        .iter()
+        .map(|a| (*a, Balance { coin: Coin::Serai, amount: Amount(5_000_000 * 10_u64.pow(8)) }))
+        .collect(),
+      _ignore: Default::default(),
+    },
+
+    dex: DexConfig {
+      pools: vec![Coin::Bitcoin, Coin::Ether, Coin::Dai, Coin::Monero],
+      _ignore: Default::default(),
+    },
+
+    validator_sets: ValidatorSetsConfig {
+      networks: serai_runtime::primitives::NETWORKS
+        .iter()
+        .map(|network| match network {
+          NetworkId::Serai => (NetworkId::Serai, Amount(50_000 * 10_u64.pow(8))),
+          NetworkId::Bitcoin => (NetworkId::Bitcoin, Amount(1_000_000 * 10_u64.pow(8))),
+          NetworkId::Ethereum => (NetworkId::Ethereum, Amount(1_000_000 * 10_u64.pow(8))),
+          NetworkId::Monero => (NetworkId::Monero, Amount(100_000 * 10_u64.pow(8))),
+        })
+        .collect(),
+      participants: validators.clone(),
+    },
+    signals: SignalsConfig::default(),
+    babe: BabeConfig {
+      authorities: validators.iter().map(|validator| ((*validator).into(), 1)).collect(),
+      epoch_config: Some(BABE_GENESIS_EPOCH_CONFIG),
+      _config: PhantomData,
+    },
+    grandpa: GrandpaConfig {
+      authorities: validators.into_iter().map(|validator| (validator.into(), 1)).collect(),
+      _config: PhantomData,
+    },
+  }
+}
+
 pub fn development_config() -> ChainSpec {
   let wasm_binary = wasm_binary();
 
@@ -82,7 +134,7 @@ pub fn development_config() -> ChainSpec {
     "devnet",
     ChainType::Development,
     move || {
-      testnet_genesis(
+      devnet_genesis(
         &wasm_binary,
         &["Alice"],
         vec![
@@ -100,7 +152,7 @@ pub fn development_config() -> ChainSpec {
     // Telemetry
     None,
     // Protocol ID
-    Some("serai"),
+    Some("serai-devnet"),
     // Fork ID
     None,
     // Properties
@@ -110,7 +162,7 @@ pub fn development_config() -> ChainSpec {
   )
 }
 
-pub fn testnet_config() -> ChainSpec {
+pub fn local_config() -> ChainSpec {
   let wasm_binary = wasm_binary();
 
   ChainSpec::from_genesis(
@@ -120,7 +172,7 @@ pub fn testnet_config() -> ChainSpec {
     "local",
     ChainType::Local,
     move || {
-      testnet_genesis(
+      devnet_genesis(
         &wasm_binary,
         &["Alice", "Bob", "Charlie", "Dave"],
         vec![
@@ -138,7 +190,7 @@ pub fn testnet_config() -> ChainSpec {
     // Telemetry
     None,
     // Protocol ID
-    Some("serai"),
+    Some("serai-local"),
     // Fork ID
     None,
     // Properties
@@ -147,3 +199,39 @@ pub fn testnet_config() -> ChainSpec {
     None,
   )
 }
+
+pub fn testnet_config() -> ChainSpec {
+  let wasm_binary = wasm_binary();
+
+  ChainSpec::from_genesis(
+    // Name
+    "Test Network 2",
+    // ID
+    "testnet-2",
+    ChainType::Live,
+    move || {
+      let _ = testnet_genesis(&wasm_binary, vec![]);
+      todo!()
+    },
+    // Bootnodes
+    vec![],
+    // Telemetry
+    None,
+    // Protocol ID
+    Some("serai-testnet-2"),
+    // Fork ID
+    None,
+    // Properties
+    None,
+    // Extensions
+    None,
+  )
+}
+
+pub fn bootnode_multiaddrs(id: &str) -> Vec<libp2p::Multiaddr> {
+  match id {
+    "devnet" | "local" => vec![],
+    "testnet-2" => todo!(),
+    _ => panic!("unrecognized network ID"),
+  }
+}