chore(sdk): add helper trait to node API to simplify type definition (#10616)

Cargo.lock

@@ -7866,7 +7866,6 @@ dependencies = [
  "reth-payload-primitives",
  "reth-primitives",
  "reth-provider",
- "reth-rpc-eth-api",
  "reth-tasks",
  "reth-transaction-pool",
 ]
@@ -7966,8 +7965,6 @@ dependencies = [
  "reth-network-peers",
  "reth-primitives",
  "reth-prune-types",
- "reth-rpc-api",
- "reth-rpc-eth-api",
  "reth-rpc-eth-types",
  "reth-rpc-server-types",
  "reth-rpc-types-compat",
@@ -8629,7 +8626,6 @@ dependencies = [
  "reth-network-api",
  "reth-network-peers",
  "reth-network-types",
- "reth-node-api",
  "reth-primitives",
  "reth-provider",
  "reth-revm",
@@ -8812,6 +8808,7 @@ dependencies = [
  "reth-evm",
  "reth-execution-types",
  "reth-network-api",
+ "reth-node-api",
  "reth-primitives",
  "reth-provider",
  "reth-revm",

crates/consensus/debug-client/Cargo.toml

@@ -13,7 +13,7 @@ workspace = true
 [dependencies]
 # reth
 reth-node-api.workspace = true
-reth-rpc-api.workspace = true
+reth-rpc-api = { workspace = true, features = ["client"] }
 reth-rpc-builder.workspace = true
 reth-tracing.workspace = true
 

crates/e2e-test-utils/src/rpc.rs

@@ -4,12 +4,15 @@ use alloy_primitives::{Bytes, B256};
 use reth::{
     builder::{rpc::RpcRegistry, FullNodeComponents},
     rpc::api::{
-        eth::helpers::{EthApiSpec, EthTransactions, TraceExt},
+        eth::{
+            helpers::{EthApiSpec, EthTransactions, TraceExt},
+            EthApiTypes,
+        },
         DebugApiServer,
     },
 };
 use reth_chainspec::EthereumHardforks;
-use reth_node_builder::{EthApiTypes, NodeTypes};
+use reth_node_builder::NodeTypes;
 
 #[allow(missing_debug_implementations)]
 pub struct RpcTestContext<Node: FullNodeComponents, EthApi: EthApiTypes> {

crates/ethereum/node/tests/e2e/dev.rs

@@ -4,7 +4,7 @@ use crate::utils::eth_payload_attributes;
 use alloy_genesis::Genesis;
 use alloy_primitives::{b256, hex};
 use futures::StreamExt;
-use reth::{args::DevArgs, core::rpc::eth::helpers::EthTransactions};
+use reth::{args::DevArgs, rpc::api::eth::helpers::EthTransactions};
 use reth_chainspec::ChainSpec;
 use reth_e2e_test_utils::setup;
 use reth_node_api::FullNodeComponents;

crates/node/api/Cargo.toml

@@ -21,7 +21,6 @@ reth-transaction-pool.workspace = true
 reth-payload-builder.workspace = true
 reth-payload-primitives.workspace = true
 reth-tasks.workspace = true
-reth-rpc-eth-api.workspace = true
 reth-network-api.workspace = true
 reth-node-types.workspace = true
 reth-primitives.workspace = true

crates/node/api/src/lib.rs

@@ -25,5 +25,3 @@ pub use node::*;
 // re-export for convenience
 pub use reth_node_types::*;
 pub use reth_provider::FullProvider;
-
-pub use reth_rpc_eth_api::EthApiTypes;

crates/node/builder/src/launch/mod.rs

@@ -23,15 +23,14 @@ use reth_consensus_debug_client::{DebugConsensusClient, EtherscanBlockProvider,
 use reth_engine_util::EngineMessageStreamExt;
 use reth_exex::ExExManagerHandle;
 use reth_network::{BlockDownloaderProvider, NetworkEventListenerProvider};
-use reth_node_api::{
-    AddOnsContext, FullNodeComponents, FullNodeTypes, NodeTypesWithDB, NodeTypesWithEngine,
-};
+use reth_node_api::{AddOnsContext, FullNodeTypes, NodeTypesWithDB, NodeTypesWithEngine};
 use reth_node_core::{
     dirs::{ChainPath, DataDirPath},
     exit::NodeExitFuture,
 };
 use reth_node_events::{cl::ConsensusLayerHealthEvents, node};
 use reth_provider::providers::BlockchainProvider;
+use reth_rpc::eth::RpcNodeCore;
 use reth_tasks::TaskExecutor;
 use reth_tracing::tracing::{debug, info};
 use reth_transaction_pool::TransactionPool;
@@ -47,14 +46,14 @@ use crate::{
     AddOns, NodeBuilderWithComponents, NodeHandle,
 };
 
-/// Alias for [`reth_rpc_eth_types::EthApiBuilderCtx`], adapter for [`FullNodeComponents`].
+/// Alias for [`reth_rpc_eth_types::EthApiBuilderCtx`], adapter for [`RpcNodeCore`].
 pub type EthApiBuilderCtx<N> = reth_rpc_eth_types::EthApiBuilderCtx<
-    <N as FullNodeTypes>::Provider,
-    <N as FullNodeComponents>::Pool,
-    <N as FullNodeComponents>::Evm,
-    <N as FullNodeComponents>::Network,
+    <N as RpcNodeCore>::Provider,
+    <N as RpcNodeCore>::Pool,
+    <N as RpcNodeCore>::Evm,
+    <N as RpcNodeCore>::Network,
     TaskExecutor,
-    <N as FullNodeTypes>::Provider,
+    <N as RpcNodeCore>::Provider,
 >;
 
 /// A general purpose trait that launches a new node of any kind.

crates/node/builder/src/node.rs

@@ -11,10 +11,10 @@ use reth_node_api::{EngineTypes, FullNodeComponents};
 use reth_node_core::{
     dirs::{ChainPath, DataDirPath},
     node_config::NodeConfig,
-    rpc::api::EngineApiClient,
 };
 use reth_payload_builder::PayloadBuilderHandle;
 use reth_provider::ChainSpecProvider;
+use reth_rpc_api::EngineApiClient;
 use reth_rpc_builder::{auth::AuthServerHandle, RpcServerHandle};
 use reth_tasks::TaskExecutor;
 

crates/node/builder/src/rpc.rs

@@ -14,12 +14,14 @@ use reth_node_api::{
 };
 use reth_node_core::{
     node_config::NodeConfig,
-    rpc::eth::{EthApiTypes, FullEthApiServer},
     version::{CARGO_PKG_VERSION, CLIENT_CODE, NAME_CLIENT, VERGEN_GIT_SHA},
 };
 use reth_payload_builder::PayloadBuilderHandle;
 use reth_provider::providers::ProviderNodeTypes;
-use reth_rpc::EthApi;
+use reth_rpc::{
+    eth::{EthApiTypes, FullEthApiServer},
+    EthApi,
+};
 use reth_rpc_api::eth::helpers::AddDevSigners;
 use reth_rpc_builder::{
     auth::{AuthRpcModule, AuthServerHandle},

crates/node/core/Cargo.toml

@@ -23,8 +23,6 @@ reth-network-p2p.workspace = true
 reth-rpc-eth-types.workspace = true
 reth-rpc-server-types.workspace = true
 reth-rpc-types-compat.workspace = true
-reth-rpc-api = { workspace = true, features = ["client"] }
-reth-rpc-eth-api = { workspace = true, features = ["client"] }
 reth-transaction-pool.workspace = true
 reth-tracing.workspace = true
 reth-config.workspace = true
@@ -38,7 +36,7 @@ reth-stages-types.workspace = true
 
 # ethereum
 alloy-primitives.workspace = true
-alloy-rpc-types-engine = { workspace = true, features = ["jwt"] }
+alloy-rpc-types-engine = { workspace = true, features = ["std", "jwt"] }
 alloy-consensus.workspace = true
 alloy-eips.workspace = true
 

crates/node/core/src/lib.rs

@@ -22,15 +22,6 @@ pub mod primitives {
 
 /// Re-export of `reth_rpc_*` crates.
 pub mod rpc {
-    /// Re-exported from `reth_rpc_api`.
-    pub mod api {
-        pub use reth_rpc_api::*;
-    }
-    /// Re-exported from `reth_rpc::eth`.
-    pub mod eth {
-        pub use reth_rpc_eth_api::*;
-    }
-
     /// Re-exported from `reth_rpc::rpc`.
     pub mod result {
         pub use reth_rpc_server_types::result::*;

crates/optimism/rpc/src/eth/mod.rs

@@ -17,12 +17,12 @@ use op_alloy_network::Optimism;
 use reth_chainspec::EthereumHardforks;
 use reth_evm::ConfigureEvm;
 use reth_network_api::NetworkInfo;
-use reth_node_api::{FullNodeComponents, FullNodeTypes, NodeTypes};
+use reth_node_api::{FullNodeComponents, NodeTypes};
 use reth_node_builder::EthApiBuilderCtx;
 use reth_primitives::Header;
 use reth_provider::{
-    BlockIdReader, BlockNumReader, BlockReaderIdExt, ChainSpecProvider, HeaderProvider,
-    StageCheckpointReader, StateProviderFactory,
+    BlockIdReader, BlockNumReader, BlockReaderIdExt, CanonStateSubscriptions, ChainSpecProvider,
+    HeaderProvider, StageCheckpointReader, StateProviderFactory,
 };
 use reth_rpc::eth::{core::EthApiInner, DevSigner};
 use reth_rpc_eth_api::{
@@ -30,7 +30,7 @@ use reth_rpc_eth_api::{
         AddDevSigners, EthApiSpec, EthFees, EthSigner, EthState, LoadBlock, LoadFee, LoadState,
         SpawnBlocking, Trace,
     },
-    EthApiTypes,
+    EthApiTypes, RpcNodeCore,
 };
 use reth_rpc_eth_types::{EthStateCache, FeeHistoryCache, GasPriceOracle};
 use reth_tasks::{
@@ -43,10 +43,10 @@ use crate::{OpEthApiError, SequencerClient};
 
 /// Adapter for [`EthApiInner`], which holds all the data required to serve core `eth_` API.
 pub type EthApiNodeBackend<N> = EthApiInner<
-    <N as FullNodeTypes>::Provider,
-    <N as FullNodeComponents>::Pool,
-    <N as FullNodeComponents>::Network,
-    <N as FullNodeComponents>::Evm,
+    <N as RpcNodeCore>::Provider,
+    <N as RpcNodeCore>::Pool,
+    <N as RpcNodeCore>::Network,
+    <N as RpcNodeCore>::Evm,
 >;
 
 /// OP-Reth `Eth` API implementation.
@@ -59,8 +59,8 @@ pub type EthApiNodeBackend<N> = EthApiInner<
 ///
 /// This type implements the [`FullEthApi`](reth_rpc_eth_api::helpers::FullEthApi) by implemented
 /// all the `Eth` helper traits and prerequisite traits.
-#[derive(Deref)]
-pub struct OpEthApi<N: FullNodeComponents> {
+#[derive(Deref, Clone)]
+pub struct OpEthApi<N: RpcNodeCore> {
     /// Gateway to node's core components.
     #[deref]
     inner: Arc<EthApiNodeBackend<N>>,
@@ -69,7 +69,12 @@ pub struct OpEthApi<N: FullNodeComponents> {
     sequencer_client: Option<SequencerClient>,
 }
 
-impl<N: FullNodeComponents> OpEthApi<N> {
+impl<N> OpEthApi<N>
+where
+    N: RpcNodeCore<
+        Provider: BlockReaderIdExt + ChainSpecProvider + CanonStateSubscriptions + Clone + 'static,
+    >,
+{
     /// Creates a new instance for given context.
     pub fn new(ctx: &EthApiBuilderCtx<N>, sequencer_http: Option<String>) -> Self {
         let blocking_task_pool =
@@ -98,7 +103,7 @@ impl<N: FullNodeComponents> OpEthApi<N> {
 impl<N> EthApiTypes for OpEthApi<N>
 where
     Self: Send + Sync,
-    N: FullNodeComponents,
+    N: RpcNodeCore,
 {
     type Error = OpEthApiError;
     type NetworkTypes = Optimism;
@@ -248,17 +253,8 @@ where
     }
 }
 
-impl<N: FullNodeComponents> fmt::Debug for OpEthApi<N> {
+impl<N: RpcNodeCore> fmt::Debug for OpEthApi<N> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("OpEthApi").finish_non_exhaustive()
     }
 }
-
-impl<N> Clone for OpEthApi<N>
-where
-    N: FullNodeComponents,
-{
-    fn clone(&self) -> Self {
-        Self { inner: self.inner.clone(), sequencer_client: self.sequencer_client.clone() }
-    }
-}

crates/rpc/rpc-eth-api/Cargo.toml

@@ -30,6 +30,7 @@ reth-rpc-eth-types.workspace = true
 reth-rpc-server-types.workspace = true
 reth-network-api.workspace = true
 reth-trie.workspace = true
+reth-node-api.workspace = true
 
 # ethereum
 alloy-eips.workspace = true

crates/rpc/rpc-eth-api/src/lib.rs

@@ -16,6 +16,7 @@ pub mod bundle;
 pub mod core;
 pub mod filter;
 pub mod helpers;
+pub mod node;
 pub mod pubsub;
 pub mod types;
 
@@ -25,6 +26,7 @@ pub use bundle::{EthBundleApiServer, EthCallBundleApiServer};
 pub use core::{EthApiServer, FullEthApiServer};
 pub use filter::EthFilterApiServer;
 pub use helpers::error::{AsEthApiError, FromEthApiError, FromEvmError, IntoEthApiError};
+pub use node::RpcNodeCore;
 pub use pubsub::EthPubSubApiServer;
 pub use types::{EthApiTypes, FullEthApiTypes, RpcBlock, RpcReceipt, RpcTransaction};
 

crates/rpc/rpc-eth-api/src/node.rs

@@ -0,0 +1,58 @@
+//! Helper trait for interfacing with [`FullNodeComponents`].
+
+use reth_node_api::FullNodeComponents;
+
+/// Helper trait to relax trait bounds on [`FullNodeComponents`].
+///
+/// Helpful when defining types that would otherwise have a generic `N: FullNodeComponents`. Using
+/// `N: RpcNodeCore` instead, allows access to all the associated types on [`FullNodeComponents`]
+/// that are used in RPC, but with more flexibility since they have no trait bounds (asides auto
+/// traits).
+pub trait RpcNodeCore: Clone {
+    /// The provider type used to interact with the node.
+    type Provider: Send + Sync + Clone + Unpin;
+    /// The transaction pool of the node.
+    type Pool: Send + Sync + Clone + Unpin;
+    /// The node's EVM configuration, defining settings for the Ethereum Virtual Machine.
+    type Evm: Send + Sync + Clone + Unpin;
+    /// Network API.
+    type Network: Send + Sync + Clone;
+
+    /// Returns the transaction pool of the node.
+    fn pool(&self) -> &Self::Pool;
+
+    /// Returns the node's evm config.
+    fn evm_config(&self) -> &Self::Evm;
+
+    /// Returns the handle to the network
+    fn network(&self) -> &Self::Network;
+
+    /// Returns the provider of the node.
+    fn provider(&self) -> &Self::Provider;
+}
+
+impl<T> RpcNodeCore for T
+where
+    T: FullNodeComponents,
+{
+    type Provider = T::Provider;
+    type Pool = T::Pool;
+    type Network = <T as FullNodeComponents>::Network;
+    type Evm = <T as FullNodeComponents>::Evm;
+
+    fn pool(&self) -> &Self::Pool {
+        FullNodeComponents::pool(self)
+    }
+
+    fn evm_config(&self) -> &Self::Evm {
+        FullNodeComponents::evm_config(self)
+    }
+
+    fn network(&self) -> &Self::Network {
+        FullNodeComponents::network(self)
+    }
+
+    fn provider(&self) -> &Self::Provider {
+        FullNodeComponents::provider(self)
+    }
+}

crates/rpc/rpc/Cargo.toml

@@ -31,7 +31,6 @@ reth-network-peers = { workspace = true, features = ["secp256k1"] }
 reth-evm.workspace = true
 reth-rpc-eth-types.workspace = true
 reth-rpc-server-types.workspace = true
-reth-node-api.workspace = true
 reth-network-types.workspace = true
 reth-trie.workspace = true
 

crates/rpc/rpc/src/eth/filter.rs

@@ -17,10 +17,11 @@ use alloy_rpc_types::{
 use async_trait::async_trait;
 use jsonrpsee::{core::RpcResult, server::IdProvider};
 use reth_chainspec::ChainInfo;
-use reth_node_api::EthApiTypes;
 use reth_primitives::{Receipt, SealedBlockWithSenders, TransactionSignedEcRecovered};
 use reth_provider::{BlockIdReader, BlockReader, EvmEnvProvider, ProviderError};
-use reth_rpc_eth_api::{EthFilterApiServer, FullEthApiTypes, RpcTransaction, TransactionCompat};
+use reth_rpc_eth_api::{
+    EthApiTypes, EthFilterApiServer, FullEthApiTypes, RpcTransaction, TransactionCompat,
+};
 use reth_rpc_eth_types::{
     logs_utils::{self, append_matching_block_logs, ProviderOrBlock},
     EthApiError, EthFilterConfig, EthStateCache, EthSubscriptionIdProvider,

crates/rpc/rpc/src/eth/mod.rs

@@ -15,4 +15,4 @@ pub use pubsub::EthPubSub;
 
 pub use helpers::{signer::DevSigner, types::EthTxBuilder};
 
-pub use reth_rpc_eth_api::EthApiServer;
+pub use reth_rpc_eth_api::{EthApiServer, EthApiTypes, FullEthApiServer, RpcNodeCore};