feat: add blob and proof v1

crates/eips/src/eip4844/engine.rs

@@ -0,0 +1,14 @@
+//! Misc types related to the 4844
+
+use crate::eip4844::{Blob, Bytes48};
+use alloc::boxed::Box;
+
+/// Blob type returned in responses to `engine_getBlobsV1`: <https://github.com/ethereum/execution-apis/pull/559>
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+pub struct BlobAndProofV1 {
+    /// The blob data.
+    pub blob: Box<Blob>,
+    /// The KZG proof for the blob.
+    pub proof: Bytes48,
+}

crates/eips/src/eip4844/mod.rs

@@ -13,6 +13,9 @@ pub mod trusted_setup_points;
 pub mod builder;
 pub mod utils;
 
+mod engine;
+pub use engine::*;
+
 /// Contains sidecar related types
 #[cfg(feature = "kzg-sidecar")]
 mod sidecar;