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### Description Sets up an `rpc` crate. ### Metadata #7
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| @@ -0,0 +1,39 @@ | ||
| [package] | ||
| name = "op-rpc" | ||
| description = "Consensus RPC for Rollup Nodes" | ||
| version = "0.0.0" | ||
| edition.workspace = true | ||
| rust-version.workspace = true | ||
| authors.workspace = true | ||
| license.workspace = true | ||
| repository.workspace = true | ||
| keywords.workspace = true | ||
| categories.workspace = true | ||
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| [dependencies] | ||
| # op-alloy | ||
| op-alloy-rpc-types.workspace = true | ||
| op-alloy-rpc-jsonrpsee = { workspace = true, features = ["client"] } | ||
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| # Alloy | ||
| alloy-eips.workspace = true | ||
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| # Misc | ||
| tracing.workspace = true | ||
| async-trait.workspace = true | ||
| jsonrpsee = { workspace = true, features = ["jsonrpsee-core", "client-core", "server-core", "macros"] } | ||
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| # `reth` feature flag dependencies | ||
| alloy = { workspace = true, optional = true } | ||
| reqwest = { workspace = true, features = ["rustls-tls-native-roots"], optional = true } | ||
| thiserror = { workspace = true, optional = true } | ||
| serde_json = { workspace = true, optional = true } | ||
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| [features] | ||
| default = ["reth"] | ||
| reth = [ | ||
| "dep:alloy", | ||
| "dep:reqwest", | ||
| "dep:serde_json", | ||
| "dep:thiserror", | ||
| ] |
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| //! Consensus RPC for Rollup Nodes | ||
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| #![doc(issue_tracker_base_url = "https://github.com/ithacaxyz/op-rs/issues/")] | ||
| #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))] | ||
| #![cfg_attr(not(test), warn(unused_crate_dependencies))] | ||
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| pub mod rollup; | ||
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| #[cfg(feature = "reth")] | ||
| pub mod sequencer; |
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| //! Contains the RPC Definition | ||
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| use alloy_eips::BlockNumberOrTag; | ||
| use async_trait::async_trait; | ||
| use jsonrpsee::core::RpcResult; | ||
| use op_alloy_rpc_jsonrpsee::traits::RollupNodeServer; | ||
| use op_alloy_rpc_types::{ | ||
| config::RollupConfig, output::OutputResponse, safe_head::SafeHeadResponse, sync::SyncStatus, | ||
| }; | ||
| use tracing::trace; | ||
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| /// An implementation of the [`RollupNodeServer`] trait. | ||
| #[derive(Debug, Clone)] | ||
| pub struct RollupNodeRpc { | ||
| /// The version of the node. | ||
| version: String, | ||
| } | ||
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| #[async_trait] | ||
| impl RollupNodeServer for RollupNodeRpc { | ||
| async fn op_output_at_block( | ||
| &self, | ||
| block_number: BlockNumberOrTag, | ||
| ) -> RpcResult<OutputResponse> { | ||
| trace!("op_output_at_block: {:?}", block_number); | ||
| unimplemented!() | ||
| } | ||
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| async fn op_safe_head_at_l1_block( | ||
| &self, | ||
| block_number: BlockNumberOrTag, | ||
| ) -> RpcResult<SafeHeadResponse> { | ||
| trace!("op_safe_head_at_l1_block: {:?}", block_number); | ||
| unimplemented!() | ||
| } | ||
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| async fn op_sync_status(&self) -> RpcResult<SyncStatus> { | ||
| unimplemented!() | ||
| } | ||
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| async fn op_rollup_config(&self) -> RpcResult<RollupConfig> { | ||
| unimplemented!() | ||
| } | ||
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| async fn op_version(&self) -> RpcResult<String> { | ||
| Ok(self.version.clone()) | ||
| } | ||
| } |
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| //! Optimism reth RPC Extension used to forward raw transactions to the sequencer. | ||
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| use std::sync::{ | ||
| atomic::{self, AtomicUsize}, | ||
| Arc, | ||
| }; | ||
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| use alloy::primitives::hex; | ||
| use reqwest::Client; | ||
| use serde_json::json; | ||
| use tracing::warn; | ||
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| /// Error type when interacting with the Sequencer | ||
| #[derive(Debug, thiserror::Error)] | ||
| pub enum SequencerClientError { | ||
| /// Wrapper around an [`reqwest::Error`]. | ||
| #[error(transparent)] | ||
| HttpError(#[from] reqwest::Error), | ||
| /// Thrown when serializing transaction to forward to sequencer | ||
| #[error("invalid sequencer transaction")] | ||
| InvalidSequencerTransaction, | ||
| } | ||
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| /// A client to interact with a Sequencer | ||
| #[derive(Debug, Clone)] | ||
| pub struct SequencerClient { | ||
| inner: Arc<SequencerClientInner>, | ||
| } | ||
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| impl SequencerClient { | ||
| /// Creates a new [`SequencerClient`]. | ||
| pub fn new(sequencer_endpoint: impl Into<String>) -> Self { | ||
| let client = Client::builder().use_rustls_tls().build().unwrap(); | ||
| Self::with_client(sequencer_endpoint, client) | ||
| } | ||
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| /// Creates a new [`SequencerClient`]. | ||
| pub fn with_client(sequencer_endpoint: impl Into<String>, http_client: Client) -> Self { | ||
| let inner = SequencerClientInner { | ||
| sequencer_endpoint: sequencer_endpoint.into(), | ||
| http_client, | ||
| id: AtomicUsize::new(0), | ||
| }; | ||
| Self { inner: Arc::new(inner) } | ||
| } | ||
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| /// Returns the network of the client | ||
| pub fn endpoint(&self) -> &str { | ||
| &self.inner.sequencer_endpoint | ||
| } | ||
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| /// Returns the client | ||
| pub fn http_client(&self) -> &Client { | ||
| &self.inner.http_client | ||
| } | ||
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| /// Returns the next id for the request | ||
| fn next_request_id(&self) -> usize { | ||
| self.inner.id.fetch_add(1, atomic::Ordering::SeqCst) | ||
| } | ||
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| /// Forwards a transaction to the sequencer endpoint. | ||
| pub async fn forward_raw_transaction(&self, tx: &[u8]) -> Result<(), SequencerClientError> { | ||
| let body = serde_json::to_string(&json!({ | ||
| "jsonrpc": "2.0", | ||
| "method": "eth_sendRawTransaction", | ||
| "params": [format!("0x{}", hex::encode(tx))], | ||
| "id": self.next_request_id() | ||
| })) | ||
| .map_err(|_| { | ||
| warn!( | ||
| target = "rpc::eth", | ||
| "Failed to serialize transaction for forwarding to sequencer" | ||
| ); | ||
| SequencerClientError::InvalidSequencerTransaction | ||
| })?; | ||
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| self.http_client() | ||
| .post(self.endpoint()) | ||
| .header(reqwest::header::CONTENT_TYPE, "application/json") | ||
| .body(body) | ||
| .send() | ||
| .await | ||
| .inspect_err(|err| { | ||
| warn!( | ||
| target = "rpc::eth", | ||
| %err, | ||
| "Failed to forward transaction to sequencer", | ||
| ); | ||
| })?; | ||
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| Ok(()) | ||
| } | ||
| } | ||
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| #[derive(Debug, Default)] | ||
| struct SequencerClientInner { | ||
| /// The endpoint of the sequencer | ||
| sequencer_endpoint: String, | ||
| /// The HTTP client | ||
| http_client: Client, | ||
| /// Keeps track of unique request ids | ||
| id: AtomicUsize, | ||
| } |
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