Merge pull request paritytech#131 from subspace/testnet-updates

Set SS58 prefix in testnet chain spec properties and runtime

crates/subspace-node/src/chain_spec.rs

@@ -20,8 +20,9 @@ use sp_core::crypto::Ss58Codec;
 use sp_core::{sr25519, Pair, Public};
 use sp_runtime::traits::{IdentifyAccount, Verify};
 use subspace_runtime::{
- AccountId, Balance, BalancesConfig, BlockNumber, GenesisConfig, Signature, SubspaceConfig,
- SudoConfig, SystemConfig, VestingConfig, MILLISECS_PER_BLOCK, SSC, WASM_BINARY,
+ AccountId, Balance, BalancesConfig, BlockNumber, GenesisConfig, SS58Prefix, Signature,
+ SubspaceConfig, SudoConfig, SystemConfig, VestingConfig, DECIMAL_PLACES, MILLISECS_PER_BLOCK,
+ SSC, WASM_BINARY,
 };
 
 // The URL for the telemetry server.
@@ -144,9 +145,13 @@ pub fn testnet_config() -> Result<ChainSpec, String> {
  Some("subspace"),
  // Properties
  Some(Properties::from_iter([
+ (
+ "ss58Format".to_string(),
+ serde_json::to_value(SS58Prefix::get()).expect("u16 is always serializable; qed"),
+ ),
  (
  "tokenDecimals".to_string(),
- serde_json::to_value(18_u8).expect("u8 is always serializable; qed"),
+ serde_json::to_value(DECIMAL_PLACES).expect("u8 is always serializable; qed"),
  ),
  (
  "tokenSymbol".to_string(),

crates/subspace-runtime/src/lib.rs

@@ -123,8 +123,10 @@ pub fn native_version() -> NativeVersion {
 
 /// The smallest unit of the token is called Shannon.
 pub const SHANNON: Balance = 1;
-/// One Subspace Credit has 18 decimal places.
-pub const SSC: Balance = (10 * SHANNON).pow(18);
+/// Subspace Credits have 18 decimal places.
+pub const DECIMAL_PLACES: u8 = 18;
+/// One Subspace Credit.
+pub const SSC: Balance = (10 * SHANNON).pow(DECIMAL_PLACES as u32);
 
 // TODO: Many of below constants should probably be updatable but currently they are not
 
@@ -214,7 +216,7 @@ parameter_types! {
  pub SubspaceBlockWeights: BlockWeights = BlockWeights::with_sensible_defaults(2 * WEIGHT_PER_SECOND, NORMAL_DISPATCH_RATIO);
  /// We allow for 3.75 MiB for `Normal` extrinsic with 5 MiB maximum block length.
  pub SubspaceBlockLength: BlockLength = BlockLength::max_with_normal_ratio(MAX_BLOCK_LENGTH, NORMAL_DISPATCH_RATIO);
- pub const SS58Prefix: u8 = 42;
+ pub const SS58Prefix: u16 = 2254;
 }
 
 // Configure FRAME pallets to include in runtime.
@@ -264,7 +266,7 @@ impl frame_system::Config for Runtime {
  type AccountData = pallet_balances::AccountData<Balance>;
  /// Weight information for the extrinsics of this pallet.
  type SystemWeightInfo = ();
- /// This is used as an identifier of the chain. 42 is the generic substrate prefix.
+ /// This is used as an identifier of the chain.
  type SS58Prefix = SS58Prefix;
  /// The set code logic, just the default since we're not a parachain.
  type OnSetCode = ();