Bump actions/checkout from 3 to 4

.github/workflows/docs.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Rust Setup
         uses: actions-rs/toolchain@v1
         with:

.github/workflows/editorconfig.yml

@@ -15,7 +15,7 @@ jobs:
     name: 'Check editorconfig'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Submodules
         run: git submodule update --init --recursive
       - name: Init

.github/workflows/rust.yml

@@ -15,7 +15,7 @@ jobs:
     name: 'Run Rust tests'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Rust Setup
       uses: actions-rs/toolchain@v1
       with:
@@ -34,7 +34,7 @@ jobs:
     name: 'Run integration tests'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Rust Setup
       uses: actions-rs/toolchain@v1
       with:
@@ -67,7 +67,7 @@ jobs:
     name: 'Run lints'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Rust Setup
       uses: actions-rs/toolchain@v1
       with:

client/rpc/src/eth/block.rs

@@ -33,7 +33,7 @@ use fc_rpc_core::types::*;
 use fp_rpc::EthereumRuntimeRPCApi;
 
 use crate::{
-	eth::{rich_block_build, Eth, EthConfig},
+	eth::{empty_block_from, rich_block_build, Eth, EthConfig},
 	frontier_backend_client, internal_err,
 };
 
@@ -198,7 +198,23 @@ where
 					_ => Ok(None),
 				}
 			}
-			None => Ok(None),
+			None => {
+				if let BlockNumber::Num(block_number) = number {
+					let eth_block = empty_block_from(block_number.into());
+					let eth_hash =
+						H256::from_slice(keccak_256(&rlp::encode(&eth_block.header)).as_slice());
+					Ok(Some(rich_block_build(
+						eth_block,
+						Default::default(),
+						Some(eth_hash),
+						full,
+						None,
+						false,
+					)))
+				} else {
+					Ok(None)
+				}
+			}
 		}
 	}
 

client/rpc/src/eth/mod.rs

@@ -473,6 +473,31 @@ fn rich_block_build(
 	}
 }
 
+fn empty_block_from(number: U256) -> ethereum::BlockV2 {
+	let ommers = Vec::<ethereum::Header>::new();
+	let receipts = Vec::<ethereum::ReceiptV2>::new();
+	let receipts_root = ethereum::util::ordered_trie_root(
+		receipts.iter().map(ethereum::EnvelopedEncodable::encode),
+	);
+	let logs_bloom = ethereum_types::Bloom::default();
+	let partial_header = ethereum::PartialHeader {
+		parent_hash: H256::default(),
+		beneficiary: Default::default(),
+		state_root: Default::default(),
+		receipts_root,
+		logs_bloom,
+		difficulty: U256::zero(),
+		number,
+		gas_limit: U256::from(4_000_000),
+		gas_used: U256::zero(),
+		timestamp: Default::default(),
+		extra_data: Vec::new(),
+		mix_hash: H256::default(),
+		nonce: H64::default(),
+	};
+	ethereum::Block::new(partial_header, Default::default(), ommers)
+}
+
 fn transaction_build(
 	ethereum_transaction: EthereumTransaction,
 	block: Option<EthereumBlock>,

frame/ethereum/src/lib.rs

@@ -42,7 +42,9 @@ use fp_evm::{
 use fp_storage::{EthereumStorageSchema, PALLET_ETHEREUM_SCHEMA};
 use frame_support::{
 	codec::{Decode, Encode, MaxEncodedLen},
-	dispatch::{DispatchInfo, DispatchResultWithPostInfo, Pays, PostDispatchInfo},
+	dispatch::{
+		DispatchErrorWithPostInfo, DispatchInfo, DispatchResultWithPostInfo, Pays, PostDispatchInfo,
+	},
 	scale_info::TypeInfo,
 	traits::{EnsureOrigin, Get, PalletInfoAccess, Time},
 	weights::Weight,
@@ -55,7 +57,7 @@ use sp_runtime::{
 	transaction_validity::{
 		InvalidTransaction, TransactionValidity, TransactionValidityError, ValidTransactionBuilder,
 	},
-	DispatchErrorWithPostInfo, RuntimeDebug, SaturatedConversion,
+	RuntimeDebug, SaturatedConversion,
 };
 use sp_std::{marker::PhantomData, prelude::*};
 
@@ -241,7 +243,7 @@ pub mod pallet {
 					Self::validate_transaction_in_block(source, &transaction).expect(
 						"pre-block transaction verification failed; the block cannot be built",
 					);
-					let r = Self::apply_validated_transaction(source, transaction)
+					let (r, _) = Self::apply_validated_transaction(source, transaction)
 						.expect("pre-block apply transaction failed; the block cannot be built");
 
 					weight = weight.saturating_add(r.actual_weight.unwrap_or_default());
@@ -290,7 +292,7 @@ pub mod pallet {
 				"pre log already exists; block is invalid",
 			);
 
-			Self::apply_validated_transaction(source, transaction)
+			Self::apply_validated_transaction(source, transaction).map(|(post_info, _)| post_info)
 		}
 	}
 
@@ -317,7 +319,7 @@ pub mod pallet {
 
 	/// Current building block's transactions and receipts.
 	#[pallet::storage]
-	pub(super) type Pending<T: Config> =
+	pub type Pending<T: Config> =
 		StorageValue<_, Vec<(Transaction, TransactionStatus, Receipt)>, ValueQuery>;
 
 	/// The current Ethereum block.
@@ -558,14 +560,14 @@ impl<T: Config> Pallet<T> {
 	fn apply_validated_transaction(
 		source: H160,
 		transaction: Transaction,
-	) -> DispatchResultWithPostInfo {
+	) -> Result<(PostDispatchInfo, CallOrCreateInfo), DispatchErrorWithPostInfo> {
 		let (to, _, info) = Self::execute(source, &transaction, None)?;
 
 		let pending = Pending::<T>::get();
 		let transaction_hash = transaction.hash();
 		let transaction_index = pending.len() as u32;
 
-		let (reason, status, weight_info, used_gas, dest, extra_data) = match info {
+		let (reason, status, weight_info, used_gas, dest, extra_data) = match info.clone() {
 			CallOrCreateInfo::Call(info) => (
 				info.exit_reason.clone(),
 				TransactionStatus {
@@ -680,21 +682,24 @@ impl<T: Config> Pallet<T> {
 			extra_data,
 		});
 
-		Ok(PostDispatchInfo {
-			actual_weight: {
-				let mut gas_to_weight = T::GasWeightMapping::gas_to_weight(
-					used_gas.standard.unique_saturated_into(),
-					true,
-				);
-				if let Some(weight_info) = weight_info {
-					if let Some(proof_size_usage) = weight_info.proof_size_usage {
-						*gas_to_weight.proof_size_mut() = proof_size_usage;
+		Ok((
+			(PostDispatchInfo {
+				actual_weight: {
+					let mut gas_to_weight = T::GasWeightMapping::gas_to_weight(
+						used_gas.standard.unique_saturated_into(),
+						true,
+					);
+					if let Some(weight_info) = weight_info {
+						if let Some(proof_size_usage) = weight_info.proof_size_usage {
+							*gas_to_weight.proof_size_mut() = proof_size_usage;
+						}
 					}
-				}
-				Some(gas_to_weight)
-			},
-			pays_fee: Pays::No,
-		})
+					Some(gas_to_weight)
+				},
+				pays_fee: Pays::No,
+			}),
+			info,
+		))
 	}
 
 	/// Get current block hash
@@ -707,10 +712,7 @@ impl<T: Config> Pallet<T> {
 		from: H160,
 		transaction: &Transaction,
 		config: Option<evm::Config>,
-	) -> Result<
-		(Option<H160>, Option<H160>, CallOrCreateInfo),
-		DispatchErrorWithPostInfo<PostDispatchInfo>,
-	> {
+	) -> Result<(Option<H160>, Option<H160>, CallOrCreateInfo), DispatchErrorWithPostInfo> {
 		let (
 			input,
 			value,
@@ -963,7 +965,10 @@ impl<T: Config> Pallet<T> {
 
 pub struct ValidatedTransaction<T>(PhantomData<T>);
 impl<T: Config> ValidatedTransactionT for ValidatedTransaction<T> {
-	fn apply(source: H160, transaction: Transaction) -> DispatchResultWithPostInfo {
+	fn apply(
+		source: H160,
+		transaction: Transaction,
+	) -> Result<(PostDispatchInfo, CallOrCreateInfo), DispatchErrorWithPostInfo> {
 		Pallet::<T>::apply_validated_transaction(source, transaction)
 	}
 }

primitives/consensus/src/lib.rs

@@ -130,5 +130,8 @@ pub fn find_log(digest: &Digest) -> Result<Log, FindLogError> {
 }
 
 pub fn ensure_log(digest: &Digest) -> Result<(), FindLogError> {
-	find_log(digest).map(|_log| ())
+	match find_log(digest) {
+		Err(FindLogError::MultipleLogs) => Err(FindLogError::MultipleLogs),
+		_ => Ok(()),
+	}
 }

primitives/ethereum/src/lib.rs

@@ -23,9 +23,10 @@ pub use ethereum::{
 	TransactionAction, TransactionV2 as Transaction,
 };
 use ethereum_types::{H160, H256, U256};
-use fp_evm::CheckEvmTransactionInput;
+use fp_evm::{CallOrCreateInfo, CheckEvmTransactionInput};
+use frame_support::dispatch::{DispatchErrorWithPostInfo, PostDispatchInfo};
 use scale_codec::{Decode, Encode};
-use sp_std::vec::Vec;
+use sp_std::prelude::*;
 
 #[repr(u8)]
 #[derive(num_enum::FromPrimitive, num_enum::IntoPrimitive)]
@@ -44,7 +45,7 @@ pub trait ValidatedTransaction {
 	fn apply(
 		source: H160,
 		transaction: Transaction,
-	) -> frame_support::dispatch::DispatchResultWithPostInfo;
+	) -> Result<(PostDispatchInfo, CallOrCreateInfo), DispatchErrorWithPostInfo>;
 }
 
 #[derive(Clone, Debug, Eq, PartialEq, Encode, Decode)]