revert(thegraph-core): add graph-attestation http header (#414)

This reverts commit 6d0613e.

thegraph-core/Cargo.toml

@@ -20,21 +20,14 @@ alloy-signers = ["alloy/signers"]
 alloy-sol-types = ["alloy/sol-types"]
 async-graphql = ["dep:async-graphql"]
 fake = ["dep:fake"]
-headers = [
-    "dep:headers",
-    # Required by headers::graph_attestation
-    "alloy/serde", "dep:serde", "dep:serde_json",
-]
 serde = ["dep:serde", "dep:serde_with", "alloy/serde"]
 
 [dependencies]
 alloy = "0.7"
 async-graphql = { version = "7.0", optional = true }
 bs58 = "0.5"
 fake = { version = "3.0", optional = true }
-headers = { version = "0.4.0", optional = true }
 serde = { version = "1.0", optional = true }
-serde_json = { version = "1.0.133", optional = true }
 serde_with = { version = "3.8", optional = true }
 thiserror = "1.0"
 

thegraph-core/src/attestation.rs

@@ -169,20 +169,6 @@ pub fn recover_allocation(
         .map_err(|_| VerificationError::FailedSignerRecovery)
 }
 
-#[cfg(feature = "fake")]
-impl fake::Dummy<fake::Faker> for Attestation {
-    fn dummy_with_rng<R: fake::Rng + ?Sized>(config: &fake::Faker, rng: &mut R) -> Self {
-        Self {
-            request_cid: B256::from(<[u8; 32]>::dummy_with_rng(config, rng)),
-            response_cid: B256::from(<[u8; 32]>::dummy_with_rng(config, rng)),
-            deployment: DeploymentId::dummy_with_rng(config, rng).into(),
-            r: B256::from(<[u8; 32]>::dummy_with_rng(config, rng)),
-            s: B256::from(<[u8; 32]>::dummy_with_rng(config, rng)),
-            v: u8::dummy_with_rng(config, rng),
-        }
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use alloy::{

thegraph-core/src/lib.rs

@@ -23,8 +23,6 @@
 //!    attestation-related operations.
 //! - `async-graphql`: Enables support for the [`async-graphql`] crate.
 //! - `fake`: Enables the [`fake`] crate integration for generating random test data.
-//! - `headers`: Enables the `headers` module, which provides common HTTP _typed headers_ used
-//!    across _The Graph_ network services.
 //! - `serde`: Enables [`serde`] serialization and deserialization support for types in this crate.
 //!
 //! Additionally, this crate re-exports other features from the `alloy` crate as described above.
@@ -51,10 +49,6 @@ mod allocation_id;
 pub mod attestation;
 mod block;
 mod deployment_id;
-
-#[cfg(feature = "headers")]
-#[cfg_attr(docsrs, doc(cfg(feature = "headers")))]
-pub mod headers;
 mod indexer_id;
 mod proof_of_indexing;
 mod subgraph_id;