signals-primitives, plus various minor tweaks

substrate/node/src/rpc.rs

@@ -8,8 +8,7 @@ use sp_api::ProvideRuntimeApi;
 
 use serai_runtime::{
   primitives::{SubstrateAmount, PublicKey},
-  opaque::Block,
-  Nonce,
+  Nonce, Block,
 };
 
 pub use sc_rpc_api::DenyUnsafe;

substrate/node/src/service.rs

@@ -17,7 +17,7 @@ use sc_client_api::{BlockBackend, Backend};
 
 use sc_telemetry::{Telemetry, TelemetryWorker};
 
-use serai_runtime::{opaque::Block, RuntimeApi};
+use serai_runtime::{Block, RuntimeApi};
 
 use sc_consensus_babe::{self, SlotProportion};
 use sc_consensus_grandpa as grandpa;