Merge branch 'develop' into HEAD

2025-12-11 21:49:26 +00:00 · 2024-06-19 10:09:18 -04:00
parent 74a434f2bf 253cf3253d
commit b87f0dcd97
62 changed files with 1091 additions and 622 deletions
--- a/substrate/abi/Cargo.toml
+++ b/substrate/abi/Cargo.toml
@@ -16,27 +16,48 @@ rustdoc-args = ["--cfg", "docsrs"]
 workspace = true

 [dependencies]
-scale = { package = "parity-scale-codec", version = "3", features = ["derive"] }
-scale-info = { version = "2", features = ["derive"] }
+scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["derive"] }
+scale-info = { version = "2", default-features = false, features = ["derive"] }

-borsh = { version = "1", features = ["derive", "de_strict_order"], optional = true }
-serde = { version = "1", features = ["derive", "alloc"], optional = true }
+borsh = { version = "1", default-features = false, features = ["derive", "de_strict_order"], optional = true }
+serde = { version = "1", default-features = false, features = ["derive", "alloc"], optional = true }

-sp-core = { git = "https://github.com/serai-dex/substrate" }
-sp-runtime = { git = "https://github.com/serai-dex/substrate" }
+sp-core = { git = "https://github.com/serai-dex/substrate", default-features = false }
+sp-runtime = { git = "https://github.com/serai-dex/substrate", default-features = false }

-sp-consensus-babe = { git = "https://github.com/serai-dex/substrate" }
-sp-consensus-grandpa = { git = "https://github.com/serai-dex/substrate" }
+sp-consensus-babe = { git = "https://github.com/serai-dex/substrate", default-features = false }
+sp-consensus-grandpa = { git = "https://github.com/serai-dex/substrate", default-features = false }

-serai-primitives = { path = "../primitives", version = "0.1" }
-serai-coins-primitives = { path = "../coins/primitives", version = "0.1" }
-serai-validator-sets-primitives = { path = "../validator-sets/primitives", version = "0.1" }
-serai-in-instructions-primitives = { path = "../in-instructions/primitives", version = "0.1" }
-serai-signals-primitives = { path = "../signals/primitives", version = "0.1" }
+frame-support = { git = "https://github.com/serai-dex/substrate", default-features = false }

-frame-support = { git = "https://github.com/serai-dex/substrate" }
+serai-primitives = { path = "../primitives", version = "0.1", default-features = false }
+serai-coins-primitives = { path = "../coins/primitives", version = "0.1", default-features = false }
+serai-validator-sets-primitives = { path = "../validator-sets/primitives", version = "0.1", default-features = false }
+serai-in-instructions-primitives = { path = "../in-instructions/primitives", version = "0.1", default-features = false }
+serai-signals-primitives = { path = "../signals/primitives", version = "0.1", default-features = false }

 [features]
+std = [
+  "scale/std",
+  "scale-info/std",
+
+  "borsh?/std",
+  "serde?/std",
+
+  "sp-core/std",
+  "sp-runtime/std",
+
+  "sp-consensus-babe/std",
+  "sp-consensus-grandpa/std",
+
+  "frame-support/std",
+
+  "serai-primitives/std",
+  "serai-coins-primitives/std",
+  "serai-validator-sets-primitives/std",
+  "serai-in-instructions-primitives/std",
+  "serai-signals-primitives/std",
+]
 borsh = [
  "dep:borsh",
  "serai-primitives/borsh",
@@ -53,3 +74,4 @@ serde = [
  "serai-in-instructions-primitives/serde",
  "serai-signals-primitives/serde",
 ]
+default = ["std"]
--- a/substrate/abi/src/babe.rs
+++ b/substrate/abi/src/babe.rs
@@ -4,7 +4,7 @@ use serai_primitives::{Header, SeraiAddress};

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 pub struct ReportEquivocation {
-  pub equivocation_proof: Box<EquivocationProof<Header>>,
+  pub equivocation_proof: alloc::boxed::Box<EquivocationProof<Header>>,
  pub key_owner_proof: SeraiAddress,
 }

--- a/substrate/abi/src/coins.rs
+++ b/substrate/abi/src/coins.rs
@@ -5,7 +5,8 @@ use primitives::OutInstructionWithBalance;

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Call {
  transfer { to: SeraiAddress, balance: Balance },
  burn { balance: Balance },
@@ -14,7 +15,17 @@ pub enum Call {

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
+pub enum LiquidityTokensCall {
+  transfer { to: SeraiAddress, balance: Balance },
+  burn { balance: Balance },
+}
+
+#[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Event {
  Mint { to: SeraiAddress, balance: Balance },
  Burn { from: SeraiAddress, balance: Balance },
--- a/substrate/abi/src/dex.rs
+++ b/substrate/abi/src/dex.rs
@@ -6,7 +6,8 @@ type PoolId = Coin;
 type MaxSwapPathLength = sp_core::ConstU32<3>;

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Call {
  add_liquidity {
    coin: Coin,
@@ -38,7 +39,8 @@ pub enum Call {
 }

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Event {
  PoolCreated {
    pool_id: PoolId,
--- a/substrate/abi/src/grandpa.rs
+++ b/substrate/abi/src/grandpa.rs
@@ -1,10 +1,11 @@
+use sp_core::{ConstU32, bounded::BoundedVec};
 use sp_consensus_grandpa::EquivocationProof;

 use serai_primitives::{BlockNumber, SeraiAddress};

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 pub struct ReportEquivocation {
-  pub equivocation_proof: Box<EquivocationProof<[u8; 32], BlockNumber>>,
+  pub equivocation_proof: alloc::boxed::Box<EquivocationProof<[u8; 32], BlockNumber>>,
  pub key_owner_proof: SeraiAddress,
 }

@@ -15,10 +16,10 @@ pub enum Call {
 }

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-#[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Event {
-  NewAuthorities { authority_set: Vec<(SeraiAddress, u64)> },
+  NewAuthorities { authority_set: BoundedVec<(SeraiAddress, u64), ConstU32<0>> },
  // TODO: Remove these
  Paused,
  Resumed,
--- a/substrate/abi/src/in_instructions.rs
+++ b/substrate/abi/src/in_instructions.rs
@@ -5,14 +5,16 @@ use primitives::SignedBatch;

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Call {
  execute_batch { batch: SignedBatch },
 }

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Event {
  Batch { network: NetworkId, id: u32, block: BlockHash, instructions_hash: [u8; 32] },
  InstructionFailure { network: NetworkId, id: u32, index: u32 },
--- a/substrate/abi/src/lib.rs
+++ b/substrate/abi/src/lib.rs
@@ -1,5 +1,12 @@
+#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![cfg_attr(not(feature = "std"), no_std)]
 #![allow(non_camel_case_types)]

+extern crate alloc;
+
+pub use serai_primitives as primitives;
+
 pub mod system;

 pub mod timestamp;
@@ -14,15 +21,13 @@ pub mod signals;
 pub mod babe;
 pub mod grandpa;

-pub use serai_primitives as primitives;
+pub mod tx;

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 pub enum Call {
-  System,
  Timestamp(timestamp::Call),
-  TransactionPayment,
  Coins(coins::Call),
-  LiquidityTokens(coins::Call),
+  LiquidityTokens(coins::LiquidityTokensCall),
  Dex(dex::Call),
  ValidatorSets(validator_sets::Call),
  InInstructions(in_instructions::Call),
@@ -53,16 +58,20 @@ pub enum Event {
 }

 #[derive(Clone, Copy, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub struct Extra {
  pub era: sp_runtime::generic::Era,
-  pub nonce: scale::Compact<u32>,
-  pub tip: scale::Compact<u64>,
+  #[codec(compact)]
+  pub nonce: u32,
+  #[codec(compact)]
+  pub tip: u64,
 }

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub struct SignedPayloadExtra {
  pub spec_version: u32,
  pub tx_version: u32,
@@ -70,4 +79,4 @@ pub struct SignedPayloadExtra {
  pub mortality_checkpoint: [u8; 32],
 }

-pub type Transaction = primitives::Transaction<Call, Extra>;
+pub type Transaction = tx::Transaction<Call, Extra>;
--- a/substrate/abi/src/signals.rs
+++ b/substrate/abi/src/signals.rs
@@ -7,7 +7,8 @@ use primitives::SignalId;

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Call {
  register_retirement_signal { in_favor_of: [u8; 32] },
  revoke_retirement_signal { retirement_signal_id: [u8; 32] },
@@ -18,7 +19,8 @@ pub enum Call {

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Event {
  RetirementSignalRegistered {
    signal_id: [u8; 32],
--- a/substrate/abi/src/system.rs
+++ b/substrate/abi/src/system.rs
@@ -3,7 +3,6 @@ use frame_support::dispatch::{DispatchInfo, DispatchError};
 use serai_primitives::SeraiAddress;

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum Event {
  ExtrinsicSuccess { dispatch_info: DispatchInfo },
  ExtrinsicFailed { dispatch_error: DispatchError, dispatch_info: DispatchInfo },
--- a/substrate/abi/src/timestamp.rs
+++ b/substrate/abi/src/timestamp.rs
@@ -1,5 +1,9 @@
 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Call {
-  set { now: scale::Compact<u64> },
+  set {
+    #[codec(compact)]
+    now: u64,
+  },
 }
--- a/substrate/abi/src/tx.rs
+++ b/substrate/abi/src/tx.rs
@@ -0,0 +1,183 @@
+use scale::Encode;
+
+use sp_core::sr25519::{Public, Signature};
+use sp_runtime::traits::Verify;
+
+use serai_primitives::SeraiAddress;
+
+use frame_support::dispatch::GetDispatchInfo;
+
+pub trait TransactionMember:
+  Clone + PartialEq + Eq + core::fmt::Debug + scale::Encode + scale::Decode + scale_info::TypeInfo
+{
+}
+impl<
+    T: Clone
+      + PartialEq
+      + Eq
+      + core::fmt::Debug
+      + scale::Encode
+      + scale::Decode
+      + scale_info::TypeInfo,
+  > TransactionMember for T
+{
+}
+
+type TransactionEncodeAs<'a, Extra> =
+  (&'a crate::Call, &'a Option<(SeraiAddress, Signature, Extra)>);
+type TransactionDecodeAs<Extra> = (crate::Call, Option<(SeraiAddress, Signature, Extra)>);
+
+// We use our own Transaction struct, over UncheckedExtrinsic, for more control, a bit more
+// simplicity, and in order to be immune to https://github.com/paritytech/polkadot-sdk/issues/2947
+#[allow(private_bounds)]
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub struct Transaction<
+  Call: 'static + TransactionMember + From<crate::Call>,
+  Extra: 'static + TransactionMember,
+> {
+  call: crate::Call,
+  mapped_call: Call,
+  signature: Option<(SeraiAddress, Signature, Extra)>,
+}
+
+impl<Call: 'static + TransactionMember + From<crate::Call>, Extra: 'static + TransactionMember>
+  Transaction<Call, Extra>
+{
+  pub fn new(call: crate::Call, signature: Option<(SeraiAddress, Signature, Extra)>) -> Self {
+    Self { call: call.clone(), mapped_call: call.into(), signature }
+  }
+
+  pub fn call(&self) -> &crate::Call {
+    &self.call
+  }
+}
+
+impl<Call: 'static + TransactionMember + From<crate::Call>, Extra: 'static + TransactionMember>
+  scale::Encode for Transaction<Call, Extra>
+{
+  fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
+    let tx: TransactionEncodeAs<Extra> = (&self.call, &self.signature);
+    tx.using_encoded(f)
+  }
+}
+impl<Call: 'static + TransactionMember + From<crate::Call>, Extra: 'static + TransactionMember>
+  scale::Decode for Transaction<Call, Extra>
+{
+  fn decode<I: scale::Input>(input: &mut I) -> Result<Self, scale::Error> {
+    let (call, signature) = TransactionDecodeAs::decode(input)?;
+    let mapped_call = Call::from(call.clone());
+    Ok(Self { call, mapped_call, signature })
+  }
+}
+impl<Call: 'static + TransactionMember + From<crate::Call>, Extra: 'static + TransactionMember>
+  scale_info::TypeInfo for Transaction<Call, Extra>
+{
+  type Identity = TransactionDecodeAs<Extra>;
+
+  // Define the type info as the info of the type equivalent to what we encode as
+  fn type_info() -> scale_info::Type {
+    TransactionDecodeAs::<Extra>::type_info()
+  }
+}
+
+#[cfg(feature = "serde")]
+mod _serde {
+  use scale::Encode;
+  use serde::{ser::*, de::*};
+  use super::*;
+  impl<Call: 'static + TransactionMember + From<crate::Call>, Extra: 'static + TransactionMember>
+    Serialize for Transaction<Call, Extra>
+  {
+    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
+      let encoded = self.encode();
+      serializer.serialize_bytes(&encoded)
+    }
+  }
+  #[cfg(feature = "std")]
+  impl<
+      'a,
+      Call: 'static + TransactionMember + From<crate::Call>,
+      Extra: 'static + TransactionMember,
+    > Deserialize<'a> for Transaction<Call, Extra>
+  {
+    fn deserialize<D: Deserializer<'a>>(de: D) -> Result<Self, D::Error> {
+      let bytes = sp_core::bytes::deserialize(de)?;
+      <Self as scale::Decode>::decode(&mut &bytes[..])
+        .map_err(|e| serde::de::Error::custom(format!("invalid transaction: {e}")))
+    }
+  }
+}
+
+impl<
+    Call: 'static + TransactionMember + From<crate::Call> + TryInto<crate::Call>,
+    Extra: 'static + TransactionMember,
+  > sp_runtime::traits::Extrinsic for Transaction<Call, Extra>
+{
+  type Call = Call;
+  type SignaturePayload = (SeraiAddress, Signature, Extra);
+  fn is_signed(&self) -> Option<bool> {
+    Some(self.signature.is_some())
+  }
+  fn new(call: Call, signature: Option<Self::SignaturePayload>) -> Option<Self> {
+    Some(Self { call: call.clone().try_into().ok()?, mapped_call: call, signature })
+  }
+}
+
+impl<
+    Call: 'static + TransactionMember + From<crate::Call> + TryInto<crate::Call>,
+    Extra: 'static + TransactionMember,
+  > frame_support::traits::ExtrinsicCall for Transaction<Call, Extra>
+{
+  fn call(&self) -> &Call {
+    &self.mapped_call
+  }
+}
+
+impl<
+    Call: 'static + TransactionMember + From<crate::Call>,
+    Extra: 'static + TransactionMember + sp_runtime::traits::SignedExtension,
+  > sp_runtime::traits::ExtrinsicMetadata for Transaction<Call, Extra>
+{
+  type SignedExtensions = Extra;
+
+  const VERSION: u8 = 0;
+}
+
+impl<
+    Call: 'static + TransactionMember + From<crate::Call> + GetDispatchInfo,
+    Extra: 'static + TransactionMember,
+  > GetDispatchInfo for Transaction<Call, Extra>
+{
+  fn get_dispatch_info(&self) -> frame_support::dispatch::DispatchInfo {
+    self.mapped_call.get_dispatch_info()
+  }
+}
+
+impl<
+    Call: 'static + TransactionMember + From<crate::Call>,
+    Extra: 'static + TransactionMember + sp_runtime::traits::SignedExtension,
+  > sp_runtime::traits::BlindCheckable for Transaction<Call, Extra>
+{
+  type Checked = sp_runtime::generic::CheckedExtrinsic<Public, Call, Extra>;
+
+  fn check(
+    self,
+  ) -> Result<Self::Checked, sp_runtime::transaction_validity::TransactionValidityError> {
+    Ok(match self.signature {
+      Some((signer, signature, extra)) => {
+        if !signature.verify(
+          (&self.call, &extra, extra.additional_signed()?).encode().as_slice(),
+          &signer.into(),
+        ) {
+          Err(sp_runtime::transaction_validity::InvalidTransaction::BadProof)?
+        }
+
+        sp_runtime::generic::CheckedExtrinsic {
+          signed: Some((signer.into(), extra)),
+          function: self.mapped_call,
+        }
+      }
+      None => sp_runtime::generic::CheckedExtrinsic { signed: None, function: self.mapped_call },
+    })
+  }
+}
--- a/substrate/abi/src/validator_sets.rs
+++ b/substrate/abi/src/validator_sets.rs
@@ -1,4 +1,4 @@
-use sp_core::{ConstU32, bounded_vec::BoundedVec};
+use sp_core::{ConstU32, bounded::BoundedVec};

 pub use serai_validator_sets_primitives as primitives;

@@ -6,11 +6,12 @@ use serai_primitives::*;
 use serai_validator_sets_primitives::*;

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Call {
  set_keys {
    network: NetworkId,
-    removed_participants: Vec<SeraiAddress>,
+    removed_participants: BoundedVec<SeraiAddress, ConstU32<{ MAX_KEY_SHARES_PER_SET / 3 }>>,
    key_pair: KeyPair,
    signature: Signature,
  },
@@ -35,7 +36,8 @@ pub enum Call {

 #[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
 #[cfg_attr(feature = "borsh", derive(borsh::BorshSerialize, borsh::BorshDeserialize))]
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize))]
+#[cfg_attr(all(feature = "std", feature = "serde"), derive(serde::Deserialize))]
 pub enum Event {
  NewSet {
    set: ValidatorSet,
--- a/substrate/client/src/serai/mod.rs
+++ b/substrate/client/src/serai/mod.rs
@@ -3,7 +3,7 @@ use thiserror::Error;
 use async_lock::RwLock;
 use simple_request::{hyper, Request, Client};

-use scale::{Compact, Decode, Encode};
+use scale::{Decode, Encode};
 use serde::{Serialize, Deserialize, de::DeserializeOwned};

 pub use sp_core::{
@@ -43,8 +43,8 @@ impl Block {
  /// Returns the time of this block, set by its producer, in milliseconds since the epoch.
  pub fn time(&self) -> Result<u64, SeraiError> {
    for transaction in &self.transactions {
-      if let Call::Timestamp(timestamp::Call::set { now }) = &transaction.call {
-        return Ok(u64::from(*now));
+      if let Call::Timestamp(timestamp::Call::set { now }) = transaction.call() {
+        return Ok(*now);
      }
    }
    Err(SeraiError::InvalidNode("no time was present in block".to_string()))
@@ -162,15 +162,14 @@ impl Serai {
  }

  fn unsigned(call: Call) -> Transaction {
-    Transaction { call, signature: None }
+    Transaction::new(call, None)
  }

  pub fn sign(&self, signer: &Pair, call: Call, nonce: u32, tip: u64) -> Transaction {
    const SPEC_VERSION: u32 = 1;
    const TX_VERSION: u32 = 1;

-    let extra =
-      Extra { era: sp_runtime::generic::Era::Immortal, nonce: Compact(nonce), tip: Compact(tip) };
+    let extra = Extra { era: sp_runtime::generic::Era::Immortal, nonce, tip };
    let signature_payload = (
      &call,
      &extra,
@@ -184,7 +183,7 @@ impl Serai {
      .encode();
    let signature = signer.sign(&signature_payload);

-    Transaction { call, signature: Some((signer.public().into(), signature, extra)) }
+    Transaction::new(call, Some((signer.public().into(), signature, extra)))
  }

  pub async fn publish(&self, tx: &Transaction) -> Result<(), SeraiError> {
@@ -367,7 +366,10 @@ impl<'a> TemporalSerai<'a> {
    let Some(res) = res else { return Ok(None) };
    let res = Serai::hex_decode(res)?;
    Ok(Some(R::decode(&mut res.as_slice()).map_err(|_| {
-      SeraiError::InvalidRuntime("different type present at storage location".to_string())
+      SeraiError::InvalidRuntime(format!(
+        "different type present at storage location, raw value: {}",
+        hex::encode(res)
+      ))
    })?))
  }

--- a/substrate/client/src/serai/validator_sets.rs
+++ b/substrate/client/src/serai/validator_sets.rs
@@ -180,7 +180,10 @@ impl<'a> SeraiValidatorSets<'a> {

  pub fn set_keys(
    network: NetworkId,
-    removed_participants: Vec<SeraiAddress>,
+    removed_participants: sp_runtime::BoundedVec<
+      SeraiAddress,
+      sp_core::ConstU32<{ primitives::MAX_KEY_SHARES_PER_SET / 3 }>,
+    >,
    key_pair: KeyPair,
    signature: Signature,
  ) -> Transaction {
--- a/substrate/client/tests/common/validator_sets.rs
+++ b/substrate/client/tests/common/validator_sets.rs
@@ -64,7 +64,12 @@ pub async fn set_keys(
  // Set the key pair
  let block = publish_tx(
    serai,
-    &SeraiValidatorSets::set_keys(set.network, vec![], key_pair.clone(), Signature(sig.to_bytes())),
+    &SeraiValidatorSets::set_keys(
+      set.network,
+      vec![].try_into().unwrap(),
+      key_pair.clone(),
+      Signature(sig.to_bytes()),
+    ),
  )
  .await;

--- a/substrate/primitives/src/lib.rs
+++ b/substrate/primitives/src/lib.rs
@@ -37,9 +37,6 @@ pub use balance::*;
 mod account;
 pub use account::*;

-mod tx;
-pub use tx::*;
-
 pub type BlockNumber = u64;
 pub type Header = sp_runtime::generic::Header<BlockNumber, sp_runtime::traits::BlakeTwo256>;

--- a/substrate/primitives/src/tx.rs
+++ b/substrate/primitives/src/tx.rs
@@ -1,124 +0,0 @@
-use scale::Encode;
-
-use sp_core::sr25519::{Public, Signature};
-use sp_runtime::traits::Verify;
-
-use crate::SeraiAddress;
-
-trait TransactionMember:
-  Clone + PartialEq + Eq + core::fmt::Debug + scale::Encode + scale::Decode + scale_info::TypeInfo
-{
-}
-impl<
-    T: Clone
-      + PartialEq
-      + Eq
-      + core::fmt::Debug
-      + scale::Encode
-      + scale::Decode
-      + scale_info::TypeInfo,
-  > TransactionMember for T
-{
-}
-
-// We use our own Transaction struct, over UncheckedExtrinsic, for more control, a bit more
-// simplicity, and in order to be immune to https://github.com/paritytech/polkadot-sdk/issues/2947
-#[allow(private_bounds)]
-#[derive(Clone, PartialEq, Eq, Debug, scale::Encode, scale::Decode, scale_info::TypeInfo)]
-pub struct Transaction<Call: TransactionMember, Extra: TransactionMember> {
-  pub call: Call,
-  pub signature: Option<(SeraiAddress, Signature, Extra)>,
-}
-
-#[cfg(feature = "serde")]
-mod _serde {
-  use scale::Encode;
-  use serde::{ser::*, de::*};
-  use super::*;
-  impl<Call: TransactionMember, Extra: TransactionMember> Serialize for Transaction<Call, Extra> {
-    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
-      let encoded = self.encode();
-      serializer.serialize_bytes(&encoded)
-    }
-  }
-  #[cfg(feature = "std")]
-  impl<'a, Call: TransactionMember, Extra: TransactionMember> Deserialize<'a>
-    for Transaction<Call, Extra>
-  {
-    fn deserialize<D: Deserializer<'a>>(de: D) -> Result<Self, D::Error> {
-      let bytes = sp_core::bytes::deserialize(de)?;
-      scale::Decode::decode(&mut &bytes[..])
-        .map_err(|e| serde::de::Error::custom(format!("invalid transaction: {e}")))
-    }
-  }
-}
-
-impl<Call: TransactionMember, Extra: TransactionMember> sp_runtime::traits::Extrinsic
-  for Transaction<Call, Extra>
-{
-  type Call = Call;
-  type SignaturePayload = (SeraiAddress, Signature, Extra);
-  fn is_signed(&self) -> Option<bool> {
-    Some(self.signature.is_some())
-  }
-  fn new(call: Call, signature: Option<Self::SignaturePayload>) -> Option<Self> {
-    Some(Self { call, signature })
-  }
-}
-
-impl<Call: TransactionMember, Extra: TransactionMember> frame_support::traits::ExtrinsicCall
-  for Transaction<Call, Extra>
-{
-  fn call(&self) -> &Call {
-    &self.call
-  }
-}
-
-impl<Call: TransactionMember, Extra: TransactionMember> sp_runtime::traits::ExtrinsicMetadata
-  for Transaction<Call, Extra>
-where
-  Extra: sp_runtime::traits::SignedExtension,
-{
-  type SignedExtensions = Extra;
-
-  const VERSION: u8 = 0;
-}
-
-impl<Call: TransactionMember, Extra: TransactionMember> frame_support::dispatch::GetDispatchInfo
-  for Transaction<Call, Extra>
-where
-  Call: frame_support::dispatch::GetDispatchInfo,
-{
-  fn get_dispatch_info(&self) -> frame_support::dispatch::DispatchInfo {
-    self.call.get_dispatch_info()
-  }
-}
-
-impl<Call: TransactionMember, Extra: TransactionMember> sp_runtime::traits::BlindCheckable
-  for Transaction<Call, Extra>
-where
-  Extra: sp_runtime::traits::SignedExtension,
-{
-  type Checked = sp_runtime::generic::CheckedExtrinsic<Public, Call, Extra>;
-
-  fn check(
-    self,
-  ) -> Result<Self::Checked, sp_runtime::transaction_validity::TransactionValidityError> {
-    Ok(match self.signature {
-      Some((signer, signature, extra)) => {
-        if !signature.verify(
-          (&self.call, &extra, extra.additional_signed()?).encode().as_slice(),
-          &signer.into(),
-        ) {
-          Err(sp_runtime::transaction_validity::InvalidTransaction::BadProof)?
-        }
-
-        sp_runtime::generic::CheckedExtrinsic {
-          signed: Some((signer.into(), extra)),
-          function: self.call,
-        }
-      }
-      None => sp_runtime::generic::CheckedExtrinsic { signed: None, function: self.call },
-    })
-  }
-}
--- a/substrate/runtime/Cargo.toml
+++ b/substrate/runtime/Cargo.toml
@@ -49,6 +49,7 @@ frame-executive = { git = "https://github.com/serai-dex/substrate", default-feat
 frame-benchmarking = { git = "https://github.com/serai-dex/substrate", default-features = false, optional = true }

 serai-primitives = { path = "../primitives", default-features = false }
+serai-abi = { path = "../abi", default-features = false, features = ["serde"] }

 pallet-timestamp = { git = "https://github.com/serai-dex/substrate", default-features = false }
 pallet-authorship = { git = "https://github.com/serai-dex/substrate", default-features = false }
@@ -102,6 +103,8 @@ std = [
  "frame-executive/std",

  "serai-primitives/std",
+  "serai-abi/std",
+  "serai-abi/serde",

  "pallet-timestamp/std",
  "pallet-authorship/std",
--- a/substrate/runtime/src/abi.rs
+++ b/substrate/runtime/src/abi.rs
@@ -0,0 +1,363 @@
+use core::marker::PhantomData;
+
+use scale::{Encode, Decode};
+
+use serai_abi::Call;
+
+use crate::{
+  Vec,
+  primitives::{PublicKey, SeraiAddress},
+  timestamp, coins, dex,
+  validator_sets::{self, MembershipProof},
+  in_instructions, signals, babe, grandpa, RuntimeCall,
+};
+
+impl From<Call> for RuntimeCall {
+  fn from(call: Call) -> RuntimeCall {
+    match call {
+      Call::Timestamp(serai_abi::timestamp::Call::set { now }) => {
+        RuntimeCall::Timestamp(timestamp::Call::set { now })
+      }
+      Call::Coins(coins) => match coins {
+        serai_abi::coins::Call::transfer { to, balance } => {
+          RuntimeCall::Coins(coins::Call::transfer { to: to.into(), balance })
+        }
+        serai_abi::coins::Call::burn { balance } => {
+          RuntimeCall::Coins(coins::Call::burn { balance })
+        }
+        serai_abi::coins::Call::burn_with_instruction { instruction } => {
+          RuntimeCall::Coins(coins::Call::burn_with_instruction { instruction })
+        }
+      },
+      Call::LiquidityTokens(lt) => match lt {
+        serai_abi::coins::LiquidityTokensCall::transfer { to, balance } => {
+          RuntimeCall::LiquidityTokens(coins::Call::transfer { to: to.into(), balance })
+        }
+        serai_abi::coins::LiquidityTokensCall::burn { balance } => {
+          RuntimeCall::LiquidityTokens(coins::Call::burn { balance })
+        }
+      },
+      Call::Dex(dex) => match dex {
+        serai_abi::dex::Call::add_liquidity {
+          coin,
+          coin_desired,
+          sri_desired,
+          coin_min,
+          sri_min,
+          mint_to,
+        } => RuntimeCall::Dex(dex::Call::add_liquidity {
+          coin,
+          coin_desired,
+          sri_desired,
+          coin_min,
+          sri_min,
+          mint_to: mint_to.into(),
+        }),
+        serai_abi::dex::Call::remove_liquidity {
+          coin,
+          lp_token_burn,
+          coin_min_receive,
+          sri_min_receive,
+          withdraw_to,
+        } => RuntimeCall::Dex(dex::Call::remove_liquidity {
+          coin,
+          lp_token_burn,
+          coin_min_receive,
+          sri_min_receive,
+          withdraw_to: withdraw_to.into(),
+        }),
+        serai_abi::dex::Call::swap_exact_tokens_for_tokens {
+          path,
+          amount_in,
+          amount_out_min,
+          send_to,
+        } => RuntimeCall::Dex(dex::Call::swap_exact_tokens_for_tokens {
+          path,
+          amount_in,
+          amount_out_min,
+          send_to: send_to.into(),
+        }),
+        serai_abi::dex::Call::swap_tokens_for_exact_tokens {
+          path,
+          amount_out,
+          amount_in_max,
+          send_to,
+        } => RuntimeCall::Dex(dex::Call::swap_tokens_for_exact_tokens {
+          path,
+          amount_out,
+          amount_in_max,
+          send_to: send_to.into(),
+        }),
+      },
+      Call::ValidatorSets(vs) => match vs {
+        serai_abi::validator_sets::Call::set_keys {
+          network,
+          removed_participants,
+          key_pair,
+          signature,
+        } => RuntimeCall::ValidatorSets(validator_sets::Call::set_keys {
+          network,
+          removed_participants: <_>::try_from(
+            removed_participants.into_iter().map(PublicKey::from).collect::<Vec<_>>(),
+          )
+          .unwrap(),
+          key_pair,
+          signature,
+        }),
+        serai_abi::validator_sets::Call::report_slashes { network, slashes, signature } => {
+          RuntimeCall::ValidatorSets(validator_sets::Call::report_slashes {
+            network,
+            slashes: <_>::try_from(
+              slashes
+                .into_iter()
+                .map(|(addr, slash)| (PublicKey::from(addr), slash))
+                .collect::<Vec<_>>(),
+            )
+            .unwrap(),
+            signature,
+          })
+        }
+        serai_abi::validator_sets::Call::allocate { network, amount } => {
+          RuntimeCall::ValidatorSets(validator_sets::Call::allocate { network, amount })
+        }
+        serai_abi::validator_sets::Call::deallocate { network, amount } => {
+          RuntimeCall::ValidatorSets(validator_sets::Call::deallocate { network, amount })
+        }
+        serai_abi::validator_sets::Call::claim_deallocation { network, session } => {
+          RuntimeCall::ValidatorSets(validator_sets::Call::claim_deallocation { network, session })
+        }
+      },
+      Call::InInstructions(ii) => match ii {
+        serai_abi::in_instructions::Call::execute_batch { batch } => {
+          RuntimeCall::InInstructions(in_instructions::Call::execute_batch { batch })
+        }
+      },
+      Call::Signals(signals) => match signals {
+        serai_abi::signals::Call::register_retirement_signal { in_favor_of } => {
+          RuntimeCall::Signals(signals::Call::register_retirement_signal { in_favor_of })
+        }
+        serai_abi::signals::Call::revoke_retirement_signal { retirement_signal_id } => {
+          RuntimeCall::Signals(signals::Call::revoke_retirement_signal { retirement_signal_id })
+        }
+        serai_abi::signals::Call::favor { signal_id, for_network } => {
+          RuntimeCall::Signals(signals::Call::favor { signal_id, for_network })
+        }
+        serai_abi::signals::Call::revoke_favor { signal_id, for_network } => {
+          RuntimeCall::Signals(signals::Call::revoke_favor { signal_id, for_network })
+        }
+        serai_abi::signals::Call::stand_against { signal_id, for_network } => {
+          RuntimeCall::Signals(signals::Call::stand_against { signal_id, for_network })
+        }
+      },
+      Call::Babe(babe) => match babe {
+        serai_abi::babe::Call::report_equivocation(report) => {
+          RuntimeCall::Babe(babe::Call::report_equivocation {
+            // TODO: Find a better way to go from Proof<[u8; 32]> to Proof<H256>
+            equivocation_proof: <_>::decode(&mut report.equivocation_proof.encode().as_slice())
+              .unwrap(),
+            key_owner_proof: MembershipProof(report.key_owner_proof.into(), PhantomData),
+          })
+        }
+        serai_abi::babe::Call::report_equivocation_unsigned(report) => {
+          RuntimeCall::Babe(babe::Call::report_equivocation_unsigned {
+            // TODO: Find a better way to go from Proof<[u8; 32]> to Proof<H256>
+            equivocation_proof: <_>::decode(&mut report.equivocation_proof.encode().as_slice())
+              .unwrap(),
+            key_owner_proof: MembershipProof(report.key_owner_proof.into(), PhantomData),
+          })
+        }
+      },
+      Call::Grandpa(grandpa) => match grandpa {
+        serai_abi::grandpa::Call::report_equivocation(report) => {
+          RuntimeCall::Grandpa(grandpa::Call::report_equivocation {
+            // TODO: Find a better way to go from Proof<[u8; 32]> to Proof<H256>
+            equivocation_proof: <_>::decode(&mut report.equivocation_proof.encode().as_slice())
+              .unwrap(),
+            key_owner_proof: MembershipProof(report.key_owner_proof.into(), PhantomData),
+          })
+        }
+        serai_abi::grandpa::Call::report_equivocation_unsigned(report) => {
+          RuntimeCall::Grandpa(grandpa::Call::report_equivocation_unsigned {
+            // TODO: Find a better way to go from Proof<[u8; 32]> to Proof<H256>
+            equivocation_proof: <_>::decode(&mut report.equivocation_proof.encode().as_slice())
+              .unwrap(),
+            key_owner_proof: MembershipProof(report.key_owner_proof.into(), PhantomData),
+          })
+        }
+      },
+    }
+  }
+}
+
+impl TryInto<Call> for RuntimeCall {
+  type Error = ();
+
+  fn try_into(self) -> Result<Call, ()> {
+    Ok(match self {
+      RuntimeCall::Timestamp(timestamp::Call::set { now }) => {
+        Call::Timestamp(serai_abi::timestamp::Call::set { now })
+      }
+      RuntimeCall::Coins(call) => Call::Coins(match call {
+        coins::Call::transfer { to, balance } => {
+          serai_abi::coins::Call::transfer { to: to.into(), balance }
+        }
+        coins::Call::burn { balance } => serai_abi::coins::Call::burn { balance },
+        coins::Call::burn_with_instruction { instruction } => {
+          serai_abi::coins::Call::burn_with_instruction { instruction }
+        }
+        _ => Err(())?,
+      }),
+      RuntimeCall::LiquidityTokens(call) => Call::LiquidityTokens(match call {
+        coins::Call::transfer { to, balance } => {
+          serai_abi::coins::LiquidityTokensCall::transfer { to: to.into(), balance }
+        }
+        coins::Call::burn { balance } => serai_abi::coins::LiquidityTokensCall::burn { balance },
+        _ => Err(())?,
+      }),
+      RuntimeCall::Dex(call) => Call::Dex(match call {
+        dex::Call::add_liquidity {
+          coin,
+          coin_desired,
+          sri_desired,
+          coin_min,
+          sri_min,
+          mint_to,
+        } => serai_abi::dex::Call::add_liquidity {
+          coin,
+          coin_desired,
+          sri_desired,
+          coin_min,
+          sri_min,
+          mint_to: mint_to.into(),
+        },
+        dex::Call::remove_liquidity {
+          coin,
+          lp_token_burn,
+          coin_min_receive,
+          sri_min_receive,
+          withdraw_to,
+        } => serai_abi::dex::Call::remove_liquidity {
+          coin,
+          lp_token_burn,
+          coin_min_receive,
+          sri_min_receive,
+          withdraw_to: withdraw_to.into(),
+        },
+        dex::Call::swap_exact_tokens_for_tokens { path, amount_in, amount_out_min, send_to } => {
+          serai_abi::dex::Call::swap_exact_tokens_for_tokens {
+            path,
+            amount_in,
+            amount_out_min,
+            send_to: send_to.into(),
+          }
+        }
+        dex::Call::swap_tokens_for_exact_tokens { path, amount_out, amount_in_max, send_to } => {
+          serai_abi::dex::Call::swap_tokens_for_exact_tokens {
+            path,
+            amount_out,
+            amount_in_max,
+            send_to: send_to.into(),
+          }
+        }
+        _ => Err(())?,
+      }),
+      RuntimeCall::ValidatorSets(call) => Call::ValidatorSets(match call {
+        validator_sets::Call::set_keys { network, removed_participants, key_pair, signature } => {
+          serai_abi::validator_sets::Call::set_keys {
+            network,
+            removed_participants: <_>::try_from(
+              removed_participants.into_iter().map(SeraiAddress::from).collect::<Vec<_>>(),
+            )
+            .unwrap(),
+            key_pair,
+            signature,
+          }
+        }
+        validator_sets::Call::report_slashes { network, slashes, signature } => {
+          serai_abi::validator_sets::Call::report_slashes {
+            network,
+            slashes: <_>::try_from(
+              slashes
+                .into_iter()
+                .map(|(addr, slash)| (SeraiAddress::from(addr), slash))
+                .collect::<Vec<_>>(),
+            )
+            .unwrap(),
+            signature,
+          }
+        }
+        validator_sets::Call::allocate { network, amount } => {
+          serai_abi::validator_sets::Call::allocate { network, amount }
+        }
+        validator_sets::Call::deallocate { network, amount } => {
+          serai_abi::validator_sets::Call::deallocate { network, amount }
+        }
+        validator_sets::Call::claim_deallocation { network, session } => {
+          serai_abi::validator_sets::Call::claim_deallocation { network, session }
+        }
+        _ => Err(())?,
+      }),
+      RuntimeCall::InInstructions(call) => Call::InInstructions(match call {
+        in_instructions::Call::execute_batch { batch } => {
+          serai_abi::in_instructions::Call::execute_batch { batch }
+        }
+        _ => Err(())?,
+      }),
+      RuntimeCall::Signals(call) => Call::Signals(match call {
+        signals::Call::register_retirement_signal { in_favor_of } => {
+          serai_abi::signals::Call::register_retirement_signal { in_favor_of }
+        }
+        signals::Call::revoke_retirement_signal { retirement_signal_id } => {
+          serai_abi::signals::Call::revoke_retirement_signal { retirement_signal_id }
+        }
+        signals::Call::favor { signal_id, for_network } => {
+          serai_abi::signals::Call::favor { signal_id, for_network }
+        }
+        signals::Call::revoke_favor { signal_id, for_network } => {
+          serai_abi::signals::Call::revoke_favor { signal_id, for_network }
+        }
+        signals::Call::stand_against { signal_id, for_network } => {
+          serai_abi::signals::Call::stand_against { signal_id, for_network }
+        }
+        _ => Err(())?,
+      }),
+      RuntimeCall::Babe(call) => Call::Babe(match call {
+        babe::Call::report_equivocation { equivocation_proof, key_owner_proof } => {
+          serai_abi::babe::Call::report_equivocation(serai_abi::babe::ReportEquivocation {
+            // TODO: Find a better way to go from Proof<H256> to Proof<[u8; 32]>
+            equivocation_proof: <_>::decode(&mut equivocation_proof.encode().as_slice()).unwrap(),
+            key_owner_proof: key_owner_proof.0.into(),
+          })
+        }
+        babe::Call::report_equivocation_unsigned { equivocation_proof, key_owner_proof } => {
+          serai_abi::babe::Call::report_equivocation_unsigned(serai_abi::babe::ReportEquivocation {
+            // TODO: Find a better way to go from Proof<H256> to Proof<[u8; 32]>
+            equivocation_proof: <_>::decode(&mut equivocation_proof.encode().as_slice()).unwrap(),
+            key_owner_proof: key_owner_proof.0.into(),
+          })
+        }
+        _ => Err(())?,
+      }),
+      RuntimeCall::Grandpa(call) => Call::Grandpa(match call {
+        grandpa::Call::report_equivocation { equivocation_proof, key_owner_proof } => {
+          serai_abi::grandpa::Call::report_equivocation(serai_abi::grandpa::ReportEquivocation {
+            // TODO: Find a better way to go from Proof<H256> to Proof<[u8; 32]>
+            equivocation_proof: <_>::decode(&mut equivocation_proof.encode().as_slice()).unwrap(),
+            key_owner_proof: key_owner_proof.0.into(),
+          })
+        }
+        grandpa::Call::report_equivocation_unsigned { equivocation_proof, key_owner_proof } => {
+          serai_abi::grandpa::Call::report_equivocation_unsigned(
+            serai_abi::grandpa::ReportEquivocation {
+              // TODO: Find a better way to go from Proof<H256> to Proof<[u8; 32]>
+              equivocation_proof: <_>::decode(&mut equivocation_proof.encode().as_slice()).unwrap(),
+              key_owner_proof: key_owner_proof.0.into(),
+            },
+          )
+        }
+        _ => Err(())?,
+      }),
+      _ => Err(())?,
+    })
+  }
+}
--- a/substrate/runtime/src/lib.rs
+++ b/substrate/runtime/src/lib.rs
@@ -64,6 +64,8 @@ use sp_authority_discovery::AuthorityId as AuthorityDiscoveryId;
 use babe::AuthorityId as BabeId;
 use grandpa::AuthorityId as GrandpaId;

+mod abi;
+
 /// Nonce of a transaction in the chain, for a given account.
 pub type Nonce = u32;

@@ -81,7 +83,7 @@ pub type SignedExtra = (
  transaction_payment::ChargeTransactionPayment<Runtime>,
 );

-pub type Transaction = serai_primitives::Transaction<RuntimeCall, SignedExtra>;
+pub type Transaction = serai_abi::tx::Transaction<RuntimeCall, SignedExtra>;
 pub type Block = generic::Block<Header, Transaction>;
 pub type BlockId = generic::BlockId<Block>;

@@ -161,35 +163,9 @@ parameter_types! {
 pub struct CallFilter;
 impl Contains<RuntimeCall> for CallFilter {
  fn contains(call: &RuntimeCall) -> bool {
-    match call {
-      RuntimeCall::Timestamp(call) => match call {
-        timestamp::Call::set { .. } => true,
-        timestamp::Call::__Ignore(_, _) => false,
-      },
-
-      // All of these pallets are our own, and all of their written calls are intended to be called
-      RuntimeCall::Coins(call) => !matches!(call, coins::Call::__Ignore(_, _)),
-      RuntimeCall::LiquidityTokens(call) => match call {
-        coins::Call::transfer { .. } | coins::Call::burn { .. } => true,
-        coins::Call::burn_with_instruction { .. } | coins::Call::__Ignore(_, _) => false,
-      },
-      RuntimeCall::Dex(call) => !matches!(call, dex::Call::__Ignore(_, _)),
-      RuntimeCall::ValidatorSets(call) => !matches!(call, validator_sets::Call::__Ignore(_, _)),
-      RuntimeCall::InInstructions(call) => !matches!(call, in_instructions::Call::__Ignore(_, _)),
-      RuntimeCall::Signals(call) => !matches!(call, signals::Call::__Ignore(_, _)),
-
-      RuntimeCall::Babe(call) => match call {
-        babe::Call::report_equivocation { .. } |
-        babe::Call::report_equivocation_unsigned { .. } => true,
-        babe::Call::plan_config_change { .. } | babe::Call::__Ignore(_, _) => false,
-      },
-
-      RuntimeCall::Grandpa(call) => match call {
-        grandpa::Call::report_equivocation { .. } |
-        grandpa::Call::report_equivocation_unsigned { .. } => true,
-        grandpa::Call::note_stalled { .. } | grandpa::Call::__Ignore(_, _) => false,
-      },
-    }
+    // If the call is defined in our ABI, it's allowed
+    let call: Result<serai_abi::Call, ()> = call.clone().try_into();
+    call.is_ok()
  }
 }

--- a/substrate/validator-sets/pallet/src/lib.rs
+++ b/substrate/validator-sets/pallet/src/lib.rs
@@ -878,7 +878,7 @@ pub mod pallet {
    pub fn set_keys(
      origin: OriginFor<T>,
      network: NetworkId,
-      removed_participants: Vec<Public>,
+      removed_participants: BoundedVec<Public, ConstU32<{ MAX_KEY_SHARES_PER_SET / 3 }>>,
      key_pair: KeyPair,
      signature: Signature,
    ) -> DispatchResult {