Flesh out Coordinator main

Lot of TODOs as the APIs are all being routed together.

coordinator/substrate/src/canonical.rs

@@ -1,4 +1,5 @@
-use std::future::Future;
+use core::future::Future;
+use std::sync::Arc;
 
 use futures::stream::{StreamExt, FuturesOrdered};
 
@@ -20,14 +21,14 @@ create_db!(
 /// The event stream for canonical events.
 pub struct CanonicalEventStream<D: Db> {
   db: D,
-  serai: Serai,
+  serai: Arc<Serai>,
 }
 
 impl<D: Db> CanonicalEventStream<D> {
   /// Create a new canonical event stream.
   ///
   /// Only one of these may exist over the provided database.
-  pub fn new(db: D, serai: Serai) -> Self {
+  pub fn new(db: D, serai: Arc<Serai>) -> Self {
     Self { db, serai }
   }
 }

coordinator/substrate/src/ephemeral.rs

@@ -1,4 +1,5 @@
-use std::future::Future;
+use core::future::Future;
+use std::sync::Arc;
 
 use futures::stream::{StreamExt, FuturesOrdered};
 
@@ -24,7 +25,7 @@ create_db!(
 /// The event stream for ephemeral events.
 pub struct EphemeralEventStream<D: Db> {
   db: D,
-  serai: Serai,
+  serai: Arc<Serai>,
   validator: PublicKey,
 }
 
@@ -32,7 +33,7 @@ impl<D: Db> EphemeralEventStream<D> {
   /// Create a new ephemeral event stream.
   ///
   /// Only one of these may exist over the provided database.
-  pub fn new(db: D, serai: Serai, validator: PublicKey) -> Self {
+  pub fn new(db: D, serai: Arc<Serai>, validator: PublicKey) -> Self {
     Self { db, serai, validator }
   }
 }
@@ -216,7 +217,7 @@ impl<D: Db> ContinuallyRan for EphemeralEventStream<D> {
               &NewSetInformation {
                 set: *set,
                 serai_block: block.block_hash,
-                start_time: block.time,
+                declaration_time: block.time,
                 // TODO: Why do we have this as an explicit field here?
                 // Shouldn't thiis be inlined into the Processor's key gen code, where it's used?
                 threshold: ((total_weight * 2) / 3) + 1,

coordinator/substrate/src/lib.rs

@@ -13,7 +13,9 @@ use serai_client::{
 use serai_db::*;
 
 mod canonical;
+pub use canonical::CanonicalEventStream;
 mod ephemeral;
+pub use ephemeral::EphemeralEventStream;
 
 fn borsh_serialize_validators<W: io::Write>(
   validators: &Vec<(PublicKey, u16)>,
@@ -32,16 +34,22 @@ fn borsh_deserialize_validators<R: io::Read>(
 /// The information for a new set.
 #[derive(Debug, BorshSerialize, BorshDeserialize)]
 pub struct NewSetInformation {
-  set: ValidatorSet,
-  serai_block: [u8; 32],
-  start_time: u64,
-  threshold: u16,
+  /// The set.
+  pub set: ValidatorSet,
+  /// The Serai block which declared it.
+  pub serai_block: [u8; 32],
+  /// The time of the block which declared it, in seconds.
+  pub declaration_time: u64,
+  /// The threshold to use.
+  pub threshold: u16,
+  /// The validators, with the amount of key shares they have.
   #[borsh(
     serialize_with = "borsh_serialize_validators",
     deserialize_with = "borsh_deserialize_validators"
   )]
-  validators: Vec<(PublicKey, u16)>,
-  evrf_public_keys: Vec<([u8; 32], Vec<u8>)>,
+  pub validators: Vec<(PublicKey, u16)>,
+  /// The eVRF public keys.
+  pub evrf_public_keys: Vec<([u8; 32], Vec<u8>)>,
 }
 
 mod _public_db {