Add pallet-timestamp

Ensures the timestamp is sent, within expected parameters, and the correctness
in relation to `pallet-babe`.

substrate/abi/Cargo.toml

@@ -22,12 +22,12 @@ workspace = true
 borsh = { version = "1", default-features = false, features = ["derive", "de_strict_order"] }
 
 bitvec = { version = "1", default-features = false, features = ["alloc"] }
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serde = { version = "1", default-features = false, features = ["derive"], optional = true }
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"], optional = true }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false, features = ["serde"], optional = true }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false, optional = true }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false, features = ["serde"], optional = true }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false, optional = true }
 
 serai-primitives = { path = "../primitives", version = "0.1", default-features = false }
 

substrate/abi/src/block.rs

@@ -159,6 +159,29 @@ mod substrate {
     pub unix_time_in_millis: u64,
   }
 
+  impl SeraiPreExecutionDigest {
+    /// The consensus ID for a Serai pre-execution digest.
+    pub const CONSENSUS_ID: [u8; 4] = *b"SRIP";
+
+    /// Find the pre-execution digest within a `Digest`.
+    ///
+    /// This will panic if the digest either isn't found or is invalid.
+    pub fn find(digest: &Digest) -> Self {
+      for log in digest.logs() {
+        match log {
+          DigestItem::PreRuntime(consensus, encoded)
+            if *consensus == SeraiPreExecutionDigest::CONSENSUS_ID =>
+          {
+            return <_>::deserialize_reader(&mut encoded.as_slice())
+              .expect("invalid `SeraiPreExecutionDigest`");
+          }
+          _ => {}
+        }
+      }
+      panic!("missing `SeraiPreExecutionDigest`");
+    }
+  }
+
   /// The digest for all of the Serai-specific header fields determined during execution of the
   /// block.
   #[derive(Clone, Copy, PartialEq, Eq, BorshSerialize, BorshDeserialize)]
@@ -171,11 +194,6 @@ mod substrate {
     pub events_commitment: UnbalancedMerkleTree,
   }
 
-  impl SeraiPreExecutionDigest {
-    /// The consensus ID for a Serai pre-execution digest.
-    pub const CONSENSUS_ID: [u8; 4] = *b"SRIP";
-  }
-
   impl SeraiExecutionDigest {
     /// The consensus ID for a Serai execution digest.
     pub const CONSENSUS_ID: [u8; 4] = *b"SRIE";

substrate/client/Cargo.toml

@@ -31,9 +31,9 @@ serde_json = { version = "1", optional = true }
 serai-abi = { path = "../abi", version = "0.1" }
 
 multiaddr = { version = "0.18", optional = true }
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", optional = true }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", optional = true }
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", optional = true }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", optional = true }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", optional = true }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", optional = true }
 
 async-lock = "3"
 

substrate/client/serai/src/lib.rs

@@ -189,7 +189,7 @@ impl<'a> TemporalSerai<'a> {
     method: &str,
     params: &str,
   ) -> Result<ResponseValue, RpcError> {
-    self.serai.call(method, &format!(r#"{{ "block": "{}", {params} }}"#, self.block)).await
+    self.serai.call(method, &format!(r#"{{ "block": "{}" {params} }}"#, self.block)).await
   }
 
   /// Fetch the events for this block.

substrate/client/serai/src/validator_sets.rs

@@ -99,7 +99,7 @@ impl<'a> ValidatorSets<'a> {
       self
         .0
         .call::<Option<_>>(
-          "validator-sets/session",
+          "validator-sets/current_session",
           &format!(r#", "network": {} "#, rpc_network(network)?),
         )
         .await?

substrate/coins/Cargo.toml

@@ -18,10 +18,10 @@ workspace = true
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serai-abi = { path = "../abi", default-features = false, features = ["substrate"] }
 serai-core-pallet = { path = "../core", default-features = false }
@@ -29,7 +29,9 @@ serai-core-pallet = { path = "../core", default-features = false }
 [dev-dependencies]
 borsh = { version = "1", default-features = false, features = ["std", "derive", "de_strict_order"] }
 
-sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false, features = ["std"] }
+sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false, features = ["std"] }
+
+pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false, features = ["std"] }
 
 [features]
 std = [

substrate/coins/src/mock.rs

@@ -10,6 +10,7 @@ construct_runtime!(
   pub enum Test
   {
     System: frame_system,
+    Timestamp: pallet_timestamp,
     Core: serai_core_pallet,
     Coins: coins::<CoinsInstance>,
   }
@@ -22,6 +23,9 @@ impl frame_system::Config for Test {
   type Block = frame_system::mocking::MockBlock<Test>;
 }
 
+#[derive_impl(pallet_timestamp::config_preludes::TestDefaultConfig)]
+impl pallet_timestamp::Config for Test {}
+
 impl serai_core_pallet::Config for Test {}
 
 impl crate::Config<CoinsInstance> for Test {

substrate/core/Cargo.toml

@@ -20,10 +20,12 @@ borsh = { version = "1", default-features = false, features = ["derive", "de_str
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+
+pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serai-abi = { path = "../abi", default-features = false, features = ["substrate"] }
 
@@ -37,14 +39,17 @@ std = [
   "frame-system/std",
   "frame-support/std",
 
+  "pallet-timestamp/std",
+
   "serai-abi/std",
 ]
 
 runtime-benchmarks = [
   "frame-system/runtime-benchmarks",
   "frame-support/runtime-benchmarks",
+  "pallet-timestamp/runtime-benchmarks",
 ]
 
-try-runtime = ["serai-abi/try-runtime"]
+try-runtime = ["pallet-timestamp/try-runtime", "serai-abi/try-runtime"]
 
 default = ["std"]

substrate/core/src/lib.rs

@@ -80,7 +80,10 @@ pub mod pallet {
   }
 
   #[pallet::config]
-  pub trait Config: frame_system::Config<Hash: Into<[u8; 32]>> {}
+  pub trait Config:
+    frame_system::Config<Hash: Into<[u8; 32]>> + pallet_timestamp::Config<Moment = u64>
+  {
+  }
 
   #[pallet::pallet]
   pub struct Pallet<T>(_);
@@ -183,6 +186,20 @@ impl<T: Config> PreInherents for StartOfBlock<T> {
 
     Pallet::<T>::start_transaction();
 
+    // Handle the `SeraiPreExecutionDigest`
+    /*
+      These calls panic but this is desired behavior. All blocks, except the genesis, should have
+      this and the timestamp should be valid.
+    */
+    {
+      let digest = serai_abi::SeraiPreExecutionDigest::find(&frame_system::Pallet::<T>::digest());
+      pallet_timestamp::Pallet::<T>::set(
+        frame_system::RawOrigin::None.into(),
+        digest.unix_time_in_millis,
+      )
+      .expect("failed to set timestamp");
+    }
+
     // Other modules' `PreInherents`
 
     let block_number: sp_core::U256 = frame_system::Pallet::<T>::block_number().into();
@@ -197,7 +214,7 @@ impl<T: Config> PostTransactions for EndOfBlock<T> {
   fn post_transactions() {
     Pallet::<T>::start_transaction();
 
-    // Other modules' `PostInherents`
+    // Other modules' `PostTransactions`
 
     let block_number: sp_core::U256 = frame_system::Pallet::<T>::block_number().into();
     let mut end_of_block_transaction_hash = block_number.to_big_endian();

substrate/dex/Cargo.toml

@@ -21,15 +21,15 @@ workspace = true
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
 
-sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-benchmarking = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false, optional = true }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-benchmarking = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false, optional = true }
 
 coins-pallet = { package = "serai-coins-pallet", path = "../coins", default-features = false }
 

substrate/economic-security/Cargo.toml

@@ -21,8 +21,8 @@ workspace = true
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 dex-pallet = { package = "serai-dex-pallet", path = "../dex", default-features = false }
 coins-pallet = { package = "serai-coins-pallet", path = "../coins", default-features = false }
@@ -30,16 +30,16 @@ coins-pallet = { package = "serai-coins-pallet", path = "../coins", default-feat
 serai-primitives = { path = "../primitives", default-features = false }
 
 [dev-dependencies]
-pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 validator-sets-pallet = { package = "serai-validator-sets-pallet", path = "../validator-sets", default-features = false }
 
-sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 [features]
 std = [

substrate/emissions/Cargo.toml

@@ -21,11 +21,11 @@ workspace = true
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 coins-pallet = { package = "serai-coins-pallet", path = "../coins", default-features = false }
 validator-sets-pallet = { package = "serai-validator-sets-pallet", path = "../validator-sets", default-features = false }

substrate/genesis-liquidity/Cargo.toml

@@ -21,12 +21,12 @@ workspace = true
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-application-crypto = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-application-crypto = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 dex-pallet = { package = "serai-dex-pallet", path = "../dex", default-features = false }
 coins-pallet = { package = "serai-coins-pallet", path = "../coins", default-features = false }

substrate/in-instructions/Cargo.toml

@@ -24,14 +24,14 @@ bitvec = { version = "1", default-features = false, features = ["alloc"] }
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive", "max-encoded-len"] }
 
-sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-application-crypto = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-std = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-application-crypto = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serai-primitives = { path = "../primitives", default-features = false }
 
@@ -42,9 +42,9 @@ genesis-liquidity-pallet = { package = "serai-genesis-liquidity-pallet", path =
 emissions-pallet = { package = "serai-emissions-pallet", path = "../emissions", default-features = false }
 
 [dev-dependencies]
-pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 economic-security-pallet = { package = "serai-economic-security-pallet", path = "../economic-security", default-features = false }
 

substrate/node/Cargo.toml

@@ -34,20 +34,20 @@ secq256k1 = { path = "../../crypto/secq256k1" }
 
 libp2p = "0.56"
 
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-inherents = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-blockchain = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-consensus = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-state-machine = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-keystore = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-block-builder = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sp-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-inherents = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-blockchain = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-consensus = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-state-machine = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-keystore = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-block-builder = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sp-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
 
-frame-benchmarking = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
+frame-benchmarking = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
 
 serai-abi = { path = "../abi", features = ["std", "substrate"] }
 serai-runtime = { path = "../runtime", features = ["std"] }
@@ -59,24 +59,24 @@ futures-util = "0.3"
 tokio = { version = "1", features = ["sync", "rt-multi-thread"] }
 jsonrpsee = { version = "0.24", features = ["server"] }
 
-sc-transaction-pool = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-transaction-pool-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-basic-authorship = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-client-db = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-executor = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-service = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-client-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-network = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
+sc-transaction-pool = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-transaction-pool-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-basic-authorship = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-client-db = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-executor = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-service = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-client-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-network = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
 
-sc-consensus = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-consensus-slots = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-consensus-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-authority-discovery = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
+sc-consensus = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-consensus-slots = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-consensus-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-authority-discovery = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
 
-sc-telemetry = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-chain-spec = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
-sc-cli = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
+sc-telemetry = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-chain-spec = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
+sc-cli = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
 
 serai-env = { path = "../../common/env" }
 

substrate/primitives/Cargo.toml

@@ -23,7 +23,7 @@ borsh = { version = "1", default-features = false, features = ["derive", "de_str
 
 bitvec = { version = "1", default-features = false, features = ["alloc"] }
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"], optional = true }
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 ciphersuite = { path = "../../crypto/ciphersuite", default-features = false, features = ["alloc"] }
 schnorr-signatures = { path = "../../crypto/schnorr", default-features = false }

substrate/runtime/Cargo.toml

@@ -20,31 +20,34 @@ workspace = true
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 
-sp-version = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-version = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-runtime = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-transaction-pool = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-inherents = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-block-builder = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-consensus-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-authority-discovery = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-transaction-pool = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-inherents = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-block-builder = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-consensus-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-consensus-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-authority-discovery = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serai-abi = { path = "../abi", default-features = false, features = ["substrate"] }
 
 [target.'cfg(target_family = "wasm")'.dependencies]
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-session = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+borsh = { version = "1", default-features = false }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-executive = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-session = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-session = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-executive = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+
+pallet-timestamp = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-session = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serai-core-pallet = { path = "../core", default-features = false }
 serai-coins-pallet = { path = "../coins", default-features = false }
@@ -52,11 +55,12 @@ serai-validator-sets-pallet = { path = "../validator-sets", default-features = f
 serai-signals-pallet = { path = "../signals", default-features = false }
 
 [build-dependencies]
-substrate-wasm-builder = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5" }
+substrate-wasm-builder = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84" }
 
 [features]
 std = [
   "scale/std",
+  "borsh/std",
 
   "sp-core/std",
   "sp-session/std",

substrate/runtime/src/wasm/mod.rs

@@ -2,7 +2,10 @@ use core::marker::PhantomData;
 use alloc::{borrow::Cow, vec, vec::Vec};
 
 use sp_core::{ConstU32, ConstU64, sr25519::Public};
-use sp_runtime::{Perbill, Weight};
+use sp_runtime::{
+  Perbill, Weight,
+  traits::{Header as _, Block as _},
+};
 use sp_version::RuntimeVersion;
 
 use serai_abi::{
@@ -12,13 +15,11 @@ use serai_abi::{
     validator_sets::{Session, ExternalValidatorSet, ValidatorSet},
     address::SeraiAddress,
   },
-  SubstrateHeader as Header, SubstrateBlock,
+  SubstrateHeader as Header, SubstrateBlock as Block,
 };
 
 use serai_coins_pallet::{CoinsInstance, LiquidityTokensInstance};
 
-type Block = SubstrateBlock;
-
 /// The lookup for a SeraiAddress -> Public.
 pub struct Lookup;
 impl sp_runtime::traits::StaticLookup for Lookup {
@@ -91,6 +92,10 @@ mod runtime {
   #[runtime::pallet_index(5)]
   pub type LiquidityTokens = serai_coins_pallet::Pallet<Runtime, LiquidityTokensInstance>;
 
+  #[runtime::pallet_index(0xfd)]
+  #[runtime::disable_inherent]
+  pub type Timestamp = pallet_timestamp::Pallet<Runtime>;
+
   #[runtime::pallet_index(0xfe)]
   pub type Babe = pallet_babe::Pallet<Runtime>;
 
@@ -166,13 +171,6 @@ impl serai_coins_pallet::Config<LiquidityTokensInstance> for Runtime {
   type AllowMint = serai_coins_pallet::AlwaysAllowMint;
 }
 
-/*
-  `pallet-babe` requires we implement `pallet-timestamp` for the associated constants. It does not
-  actually require we offer the timestamp pallet however, and we don't as we follow our methodology
-  (using the block header for timestamps, not an inherent transaction).
-
-  TODO: Set timestamp when executing a block.
-*/
 impl pallet_timestamp::Config for Runtime {
   type Moment = u64;
   type OnTimestampSet = Babe;
@@ -181,6 +179,8 @@ impl pallet_timestamp::Config for Runtime {
   type WeightInfo = ();
 }
 
+// pallet-babe requires `pallet-session` for `GetCurrentSessionForSubstrate` but not it itself
+// We ensure this by having patched `pallet-session` to omit the pallet
 #[doc(hidden)]
 pub struct GetCurrentSessionForSubstrate;
 impl pallet_session::GetCurrentSessionForSubstrate for GetCurrentSessionForSubstrate {
@@ -393,7 +393,59 @@ sp_api::impl_runtime_apis! {
       block: Block,
       data: sp_inherents::InherentData,
     ) -> sp_inherents::CheckInherentsResult {
-      data.check_extrinsics(&block)
+      let mut result = data.check_extrinsics(&block);
+
+      // Handle the `SeraiPreExecutionDigest`
+      'outer: {
+        use serai_abi::SeraiPreExecutionDigest;
+
+        const INHERENT_ID: [u8; 8] = [
+          SeraiPreExecutionDigest::CONSENSUS_ID[0],
+          SeraiPreExecutionDigest::CONSENSUS_ID[1],
+          SeraiPreExecutionDigest::CONSENSUS_ID[2],
+          SeraiPreExecutionDigest::CONSENSUS_ID[3],
+          0, 0, 0, 0
+        ];
+
+        for log in block.header().digest().logs() {
+          match log {
+            sp_runtime::DigestItem::PreRuntime(consensus, encoded)
+              if *consensus == SeraiPreExecutionDigest::CONSENSUS_ID =>
+            {
+              let Ok(SeraiPreExecutionDigest { unix_time_in_millis }) =
+                <_ as borsh::BorshDeserialize>::deserialize_reader(&mut encoded.as_slice()) else {
+                // We don't handle this error as we can't in this position
+                let _ = result.put_error(
+                  INHERENT_ID,
+                  &sp_inherents::MakeFatalError::from("invalid `SeraiPreExecutionDigest`"),
+                );
+                return result;
+              };
+
+              use frame_support::inherent::ProvideInherent;
+              match pallet_timestamp::Pallet::<Runtime>::check_inherent(
+                &pallet_timestamp::Call::<Runtime>::set { now: unix_time_in_millis },
+                &data
+              ) {
+                Ok(()) => {},
+                Err(e) => {
+                  let _ = result.put_error(sp_timestamp::INHERENT_IDENTIFIER, &e);
+                }
+              }
+
+              break 'outer;
+            }
+            _ => {}
+          }
+        }
+
+        let _ = result.put_error(
+          INHERENT_ID,
+          &sp_inherents::MakeFatalError::from("missing `SeraiPreExecutionDigest`")
+        );
+      }
+
+      result
     }
   }
 
@@ -712,8 +764,6 @@ mod benches {
 
     [system, SystemBench::<Runtime>]
 
-    [pallet_timestamp, Timestamp]
-
     [balances, Balances]
 
     [babe, Babe]

substrate/signals/Cargo.toml

@@ -21,10 +21,10 @@ workspace = true
 [dependencies]
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
 
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serai-abi = { path = "../abi", default-features = false, features = ["substrate"] }
 

substrate/validator-sets/Cargo.toml

@@ -20,17 +20,17 @@ bitvec = { version = "1", default-features = false, features = ["alloc", "serde"
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive", "bit-vec"] }
 
-sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-application-crypto = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-application-crypto = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-io = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+sp-api = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+frame-system = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+frame-support = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
-pallet-session = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
-pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "71fa60b900c8ad068f1b9ce8100508506377fbf5", default-features = false }
+pallet-session = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-babe = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
+pallet-grandpa = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev = "e01101b68c5b0f588dd4cdee48f801a2c1f75b84", default-features = false }
 
 serai-abi = { path = "../abi", default-features = false, features = ["substrate"] }