reth_rpc_engine_api

Struct EngineApi

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pub struct EngineApi<Provider, EngineT: EngineTypes, Pool, Validator, ChainSpec> { /* private fields */ }
Expand description

The Engine API implementation that grants the Consensus layer access to data and functions in the Execution layer that are crucial for the consensus process.

Implementations§

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impl<Provider, EngineT, Pool, Validator, ChainSpec> EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>
where Provider: HeaderProvider + BlockReader + StateProviderFactory + EvmEnvProvider + 'static, EngineT: EngineTypes, Pool: TransactionPool + 'static, Validator: EngineValidator<EngineT>, ChainSpec: EthereumHardforks + Send + Sync + 'static,

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pub fn new( provider: Provider, chain_spec: Arc<ChainSpec>, beacon_consensus: BeaconConsensusEngineHandle<EngineT>, payload_store: PayloadStore<EngineT>, tx_pool: Pool, task_spawner: Box<dyn TaskSpawner>, client: ClientVersionV1, capabilities: EngineCapabilities, validator: Validator, ) -> Self

Create new instance of EngineApi.

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pub async fn new_payload_v1( &self, payload: ExecutionPayloadV1, ) -> EngineApiResult<PayloadStatus>

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pub async fn new_payload_v2( &self, payload: ExecutionPayloadInputV2, ) -> EngineApiResult<PayloadStatus>

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pub async fn new_payload_v2_metered( &self, payload: ExecutionPayloadInputV2, ) -> EngineApiResult<PayloadStatus>

Metered version of new_payload_v2.

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pub async fn new_payload_v3( &self, payload: ExecutionPayloadV3, versioned_hashes: Vec<B256>, parent_beacon_block_root: B256, ) -> EngineApiResult<PayloadStatus>

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pub async fn new_payload_v4( &self, payload: ExecutionPayloadV3, versioned_hashes: Vec<B256>, parent_beacon_block_root: B256, execution_requests: Requests, ) -> EngineApiResult<PayloadStatus>

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pub async fn fork_choice_updated_v1( &self, state: ForkchoiceState, payload_attrs: Option<EngineT::PayloadAttributes>, ) -> EngineApiResult<ForkchoiceUpdated>

Sends a message to the beacon consensus engine to update the fork choice without withdrawals.

See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/paris.md#engine_forkchoiceUpdatedV1

Caution: This should not accept the withdrawals field

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pub async fn fork_choice_updated_v2( &self, state: ForkchoiceState, payload_attrs: Option<EngineT::PayloadAttributes>, ) -> EngineApiResult<ForkchoiceUpdated>

Sends a message to the beacon consensus engine to update the fork choice with withdrawals, but only after shanghai.

See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/shanghai.md#engine_forkchoiceupdatedv2

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pub async fn fork_choice_updated_v3( &self, state: ForkchoiceState, payload_attrs: Option<EngineT::PayloadAttributes>, ) -> EngineApiResult<ForkchoiceUpdated>

Sends a message to the beacon consensus engine to update the fork choice with withdrawals, but only after cancun.

See also https://github.com/ethereum/execution-apis/blob/main/src/engine/cancun.md#engine_forkchoiceupdatedv3

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pub async fn get_payload_v1( &self, payload_id: PayloadId, ) -> EngineApiResult<EngineT::ExecutionPayloadEnvelopeV1>

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/paris.md#engine_getPayloadV1

Caution: This should not return the withdrawals field

Note:

Provider software MAY stop the corresponding build process after serving this call.

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pub async fn get_payload_v2( &self, payload_id: PayloadId, ) -> EngineApiResult<EngineT::ExecutionPayloadEnvelopeV2>

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/shanghai.md#engine_getpayloadv2

Note:

Provider software MAY stop the corresponding build process after serving this call.

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pub async fn get_payload_v3( &self, payload_id: PayloadId, ) -> EngineApiResult<EngineT::ExecutionPayloadEnvelopeV3>

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/fe8e13c288c592ec154ce25c534e26cb7ce0530d/src/engine/cancun.md#engine_getpayloadv3

Note:

Provider software MAY stop the corresponding build process after serving this call.

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pub async fn get_payload_v4( &self, payload_id: PayloadId, ) -> EngineApiResult<EngineT::ExecutionPayloadEnvelopeV4>

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/7907424db935b93c2fe6a3c0faab943adebe8557/src/engine/prague.md#engine_newpayloadv4

Note:

Provider software MAY stop the corresponding build process after serving this call.

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pub async fn get_payload_bodies_by_range_v1( &self, start: BlockNumber, count: u64, ) -> EngineApiResult<ExecutionPayloadBodiesV1>

Returns the execution payload bodies by the range starting at start, containing count blocks.

WARNING: This method is associated with the BeaconBlocksByRange message in the consensus layer p2p specification, meaning the input should be treated as untrusted or potentially adversarial.

Implementers should take care when acting on the input to this method, specifically ensuring that the range is limited properly, and that the range boundaries are computed correctly and without panics.

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pub async fn get_payload_bodies_by_hash_v1( &self, hashes: Vec<BlockHash>, ) -> EngineApiResult<ExecutionPayloadBodiesV1>

Called to retrieve execution payload bodies by hashes.

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pub fn exchange_transition_configuration( &self, config: TransitionConfiguration, ) -> EngineApiResult<TransitionConfiguration>

Called to verify network configuration parameters and ensure that Consensus and Execution layers are using the latest configuration.

Trait Implementations§

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impl<Provider, EngineT, Pool, Validator, ChainSpec> Debug for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>
where EngineT: EngineTypes,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<Provider, EngineT, Pool, Validator, ChainSpec> EngineApiServer<EngineT> for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>
where Provider: HeaderProvider + BlockReader + StateProviderFactory + EvmEnvProvider + 'static, EngineT: EngineTypes, Pool: TransactionPool + 'static, Validator: EngineValidator<EngineT>, ChainSpec: EthereumHardforks + Send + Sync + 'static,

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fn new_payload_v1<'life0, 'async_trait>( &'life0 self, payload: ExecutionPayloadV1, ) -> Pin<Box<dyn Future<Output = RpcResult<PayloadStatus>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for engine_newPayloadV1 See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/paris.md#engine_newpayloadv1 Caution: This should not accept the withdrawals field

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fn new_payload_v2<'life0, 'async_trait>( &'life0 self, payload: ExecutionPayloadInputV2, ) -> Pin<Box<dyn Future<Output = RpcResult<PayloadStatus>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn new_payload_v3<'life0, 'async_trait>( &'life0 self, payload: ExecutionPayloadV3, versioned_hashes: Vec<B256>, parent_beacon_block_root: B256, ) -> Pin<Box<dyn Future<Output = RpcResult<PayloadStatus>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn new_payload_v4<'life0, 'async_trait>( &'life0 self, payload: ExecutionPayloadV3, versioned_hashes: Vec<B256>, parent_beacon_block_root: B256, execution_requests: Requests, ) -> Pin<Box<dyn Future<Output = RpcResult<PayloadStatus>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn fork_choice_updated_v1<'life0, 'async_trait>( &'life0 self, fork_choice_state: ForkchoiceState, payload_attributes: Option<EngineT::PayloadAttributes>, ) -> Pin<Box<dyn Future<Output = RpcResult<ForkchoiceUpdated>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for engine_forkchoiceUpdatedV1 See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/paris.md#engine_forkchoiceupdatedv1

Caution: This should not accept the withdrawals field

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fn fork_choice_updated_v2<'life0, 'async_trait>( &'life0 self, fork_choice_state: ForkchoiceState, payload_attributes: Option<EngineT::PayloadAttributes>, ) -> Pin<Box<dyn Future<Output = RpcResult<ForkchoiceUpdated>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn fork_choice_updated_v3<'life0, 'async_trait>( &'life0 self, fork_choice_state: ForkchoiceState, payload_attributes: Option<EngineT::PayloadAttributes>, ) -> Pin<Box<dyn Future<Output = RpcResult<ForkchoiceUpdated>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn get_payload_v1<'life0, 'async_trait>( &'life0 self, payload_id: PayloadId, ) -> Pin<Box<dyn Future<Output = RpcResult<EngineT::ExecutionPayloadEnvelopeV1>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for engine_getPayloadV1

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/paris.md#engine_getPayloadV1

Caution: This should not return the withdrawals field

Note:

Provider software MAY stop the corresponding build process after serving this call.

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fn get_payload_v2<'life0, 'async_trait>( &'life0 self, payload_id: PayloadId, ) -> Pin<Box<dyn Future<Output = RpcResult<EngineT::ExecutionPayloadEnvelopeV2>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for engine_getPayloadV2

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/3d627c95a4d3510a8187dd02e0250ecb4331d27e/src/engine/shanghai.md#engine_getpayloadv2

Note:

Provider software MAY stop the corresponding build process after serving this call.

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fn get_payload_v3<'life0, 'async_trait>( &'life0 self, payload_id: PayloadId, ) -> Pin<Box<dyn Future<Output = RpcResult<EngineT::ExecutionPayloadEnvelopeV3>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for engine_getPayloadV3

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/fe8e13c288c592ec154ce25c534e26cb7ce0530d/src/engine/cancun.md#engine_getpayloadv3

Note:

Provider software MAY stop the corresponding build process after serving this call.

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fn get_payload_v4<'life0, 'async_trait>( &'life0 self, payload_id: PayloadId, ) -> Pin<Box<dyn Future<Output = RpcResult<EngineT::ExecutionPayloadEnvelopeV4>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for engine_getPayloadV4

Returns the most recent version of the payload that is available in the corresponding payload build process at the time of receiving this call.

See also https://github.com/ethereum/execution-apis/blob/main/src/engine/prague.md#engine_getpayloadv4

Note:

Provider software MAY stop the corresponding build process after serving this call.

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fn get_payload_bodies_by_hash_v1<'life0, 'async_trait>( &'life0 self, block_hashes: Vec<BlockHash>, ) -> Pin<Box<dyn Future<Output = RpcResult<ExecutionPayloadBodiesV1>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn get_payload_bodies_by_range_v1<'life0, 'async_trait>( &'life0 self, start: U64, count: U64, ) -> Pin<Box<dyn Future<Output = RpcResult<ExecutionPayloadBodiesV1>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Handler for engine_getPayloadBodiesByRangeV1

See also https://github.com/ethereum/execution-apis/blob/6452a6b194d7db269bf1dbd087a267251d3cc7f8/src/engine/shanghai.md#engine_getpayloadbodiesbyrangev1

Returns the execution payload bodies by the range starting at start, containing count blocks.

WARNING: This method is associated with the BeaconBlocksByRange message in the consensus layer p2p specification, meaning the input should be treated as untrusted or potentially adversarial.

Implementers should take care when acting on the input to this method, specifically ensuring that the range is limited properly, and that the range boundaries are computed correctly and without panics.

Note: If a block is pre shanghai, withdrawals field will be null.

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fn exchange_transition_configuration<'life0, 'async_trait>( &'life0 self, config: TransitionConfiguration, ) -> Pin<Box<dyn Future<Output = RpcResult<TransitionConfiguration>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn get_client_version_v1<'life0, 'async_trait>( &'life0 self, client: ClientVersionV1, ) -> Pin<Box<dyn Future<Output = RpcResult<Vec<ClientVersionV1>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn exchange_capabilities<'life0, 'async_trait>( &'life0 self, _capabilities: Vec<String>, ) -> Pin<Box<dyn Future<Output = RpcResult<Vec<String>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn get_blobs_v1<'life0, 'async_trait>( &'life0 self, versioned_hashes: Vec<B256>, ) -> Pin<Box<dyn Future<Output = RpcResult<Vec<Option<BlobAndProofV1>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Fetch blobs for the consensus layer from the in-memory blob cache.
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fn into_rpc(self) -> RpcModule<Self>
where <Engine as PayloadTypes>::PayloadAttributes: DeserializeOwned,

Collects all the methods and subscriptions defined in the trait and adds them into a single RpcModule.

Auto Trait Implementations§

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impl<Provider, EngineT, Pool, Validator, ChainSpec> Freeze for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>
where <EngineT as PayloadTypes>::BuiltPayload: Sized,

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impl<Provider, EngineT, Pool, Validator, ChainSpec> !RefUnwindSafe for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>

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impl<Provider, EngineT, Pool, Validator, ChainSpec> Send for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>
where <EngineT as PayloadTypes>::BuiltPayload: Sized, Provider: Sync + Send, Pool: Sync + Send, Validator: Sync + Send, ChainSpec: Sync + Send,

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impl<Provider, EngineT, Pool, Validator, ChainSpec> Sync for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>
where <EngineT as PayloadTypes>::BuiltPayload: Sized, Provider: Sync + Send, Pool: Sync + Send, Validator: Sync + Send, ChainSpec: Sync + Send,

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impl<Provider, EngineT, Pool, Validator, ChainSpec> Unpin for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>
where <EngineT as PayloadTypes>::BuiltPayload: Sized,

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impl<Provider, EngineT, Pool, Validator, ChainSpec> !UnwindSafe for EngineApi<Provider, EngineT, Pool, Validator, ChainSpec>

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeDebug for T
where T: Debug,

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impl<T> MaybeSend for T
where T: Send,

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impl<T> MaybeSendSync for T

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes