🚧 cannon provider mock

crates/fault/src/providers/cannon.rs

@@ -0,0 +1,36 @@
+//! This module contains the implementation of the [crate::TraceProvider] trait for calling out to `cannon` to fetch 
+//! state witnesses and proof values.
+
+use crate::{Gindex, Position, TraceProvider};
+use alloy_primitives::keccak256;
+use anyhow::Result;
+use durin_primitives::Claim;
+use std::{marker::PhantomData, sync::Arc};
+
+/// The [CannonTraceProvider] is a [TraceProvider] that runs `cannon` to retrieve state witnesses and proof values.
+pub struct CannonTraceProvider {
+    pub split_depth: u8,
+}
+
+#[async_trait::async_trait]
+impl TraceProvider<[u8; 32]> for CannonTraceProvider {
+    async fn absolute_prestate(&self) -> Result<Arc<[u8; 32]>> {
+        todo!()
+    }
+
+    async fn absolute_prestate_hash(&self) -> Result<Claim> {
+        todo!()
+    }
+
+    async fn state_at(&self, position: Position) -> Result<Arc<[u8; 32]>> {
+        todo!()
+    }
+
+    async fn state_hash(&self, position: Position) -> Result<Claim> {
+        todo!()
+    }
+
+    async fn proof_at(&self, _: Position) -> Result<Arc<[u8]>> {
+        todo!()
+    }
+}

crates/fault/src/providers/mod.rs

@@ -8,3 +8,6 @@ pub use self::output::OutputTraceProvider;
 
 mod split;
 pub use self::split::SplitTraceProvider;
+
+mod cannon;
+pub use self::cannon::CannonTraceProvider;