Files
reth/crates/engine/primitives/src/lib.rs
2024-09-24 11:23:52 +00:00

61 lines
2.6 KiB
Rust

//! Traits, validation methods, and helper types used to abstract over engine types.
#![doc(
html_logo_url = "https://raw.githubusercontent.com/paradigmxyz/reth/main/assets/reth-docs.png",
html_favicon_url = "https://avatars0.githubusercontent.com/u/97369466?s=256",
issue_tracker_base_url = "https://github.com/paradigmxyz/reth/issues/"
)]
#![cfg_attr(not(test), warn(unused_crate_dependencies))]
#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
mod invalid_block_hook;
pub use invalid_block_hook::InvalidBlockHook;
pub use reth_payload_primitives::{
BuiltPayload, EngineApiMessageVersion, EngineObjectValidationError, PayloadOrAttributes,
PayloadTypes,
};
use serde::{de::DeserializeOwned, ser::Serialize};
/// This type defines the versioned types of the engine API.
///
/// This includes the execution payload types and payload attributes that are used to trigger a
/// payload job. Hence this trait is also [`PayloadTypes`].
pub trait EngineTypes:
PayloadTypes<
BuiltPayload: TryInto<Self::ExecutionPayloadV1>
+ TryInto<Self::ExecutionPayloadV2>
+ TryInto<Self::ExecutionPayloadV3>
+ TryInto<Self::ExecutionPayloadV4>,
> + DeserializeOwned
+ Serialize
+ 'static
{
/// Execution Payload V1 type.
type ExecutionPayloadV1: DeserializeOwned + Serialize + Clone + Unpin + Send + Sync + 'static;
/// Execution Payload V2 type.
type ExecutionPayloadV2: DeserializeOwned + Serialize + Clone + Unpin + Send + Sync + 'static;
/// Execution Payload V3 type.
type ExecutionPayloadV3: DeserializeOwned + Serialize + Clone + Unpin + Send + Sync + 'static;
/// Execution Payload V4 type.
type ExecutionPayloadV4: DeserializeOwned + Serialize + Clone + Unpin + Send + Sync + 'static;
}
/// Type that validates the payloads sent to the engine.
pub trait EngineValidator<Types: EngineTypes>: Clone + Send + Sync + Unpin + 'static {
/// Validates the presence or exclusion of fork-specific fields based on the payload attributes
/// and the message version.
fn validate_version_specific_fields(
&self,
version: EngineApiMessageVersion,
payload_or_attrs: PayloadOrAttributes<'_, <Types as PayloadTypes>::PayloadAttributes>,
) -> Result<(), EngineObjectValidationError>;
/// Ensures that the payload attributes are valid for the given [`EngineApiMessageVersion`].
fn ensure_well_formed_attributes(
&self,
version: EngineApiMessageVersion,
attributes: &<Types as PayloadTypes>::PayloadAttributes,
) -> Result<(), EngineObjectValidationError>;
}