delete redudent struct from json.rs

stwo_cairo_prover/crates/prover/src/input/mod.rs

@@ -1,5 +1,5 @@
+use cairo_vm::air_public_input::MemorySegmentAddresses;
 use mem::Memory;
-use serde::{Deserialize, Serialize};
 use state_transitions::StateTransitions;
 
 mod decode;
@@ -19,17 +19,5 @@ pub struct CairoInput {
     pub public_mem_addresses: Vec<u32>,
 
     // Builtins.
-    pub range_check_builtin: SegmentAddrs,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct SegmentAddrs {
-    pub begin_addr: u32,
-    pub end_addr: u32,
-}
-
-impl SegmentAddrs {
-    pub fn addresses(&self) -> Vec<u32> {
-        (self.begin_addr..self.end_addr).collect()
-    }
+    pub range_check_builtin: MemorySegmentAddresses,
 }

stwo_cairo_prover/crates/prover/src/input/plain.rs

@@ -9,7 +9,8 @@ use itertools::Itertools;
 use super::mem::{MemConfig, MemoryBuilder};
 use super::state_transitions::StateTransitions;
 use super::vm_import::MemEntry;
-use super::{CairoInput, SegmentAddrs};
+use super::CairoInput;
+use crate::input::MemorySegmentAddresses;
 
 // TODO(Ohad): remove dev_mode after adding the rest of the opcodes.
 /// Translates a plain casm into a CairoInput by running the program and extracting the memory and
@@ -83,9 +84,9 @@ pub fn input_from_finished_runner(runner: CairoRunner, dev_mode: bool) -> CairoI
         state_transitions,
         mem: mem.build(),
         public_mem_addresses,
-        range_check_builtin: SegmentAddrs {
+        range_check_builtin: MemorySegmentAddresses {
             begin_addr: 24,
-            end_addr: 64,
+            stop_ptr: 64,
         },
     }
 }

stwo_cairo_prover/crates/prover/src/input/vm_import/json.rs

@@ -1,99 +1,10 @@
-use std::collections::BTreeMap;
-
-use serde::{Deserialize, Deserializer, Serialize, Serializer};
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct PublicInput {
-    pub layout: String,
-    pub rc_min: u64,
-    pub rc_max: u64,
-    pub n_steps: u64,
-    pub memory_segments: BTreeMap<String, Segment>,
-    pub public_memory: Vec<PublicMemEntry>,
-    pub dynamic_params: Option<()>,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct Segment {
-    pub begin_addr: u64,
-    pub stop_ptr: u64,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct PublicMemEntry {
-    pub address: u64,
-    pub value: FeltValue,
-    pub page: u64,
-}
+use serde::{Deserialize, Serialize};
 
+// TODO(Stav): Replace with original struct once fields are public.
+/// Struct to store Cairo private input.
+/// Replicated from `cairo_vm::air_private_input::AirPrivateInputSerializable`.
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct PrivateInput {
     pub trace_path: String,
     pub memory_path: String,
-    pub pedersen: Vec<PedersenData>,
-    pub range_check: Vec<RangeCheckData>,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct PedersenData {
-    pub index: u64,
-    pub x: FeltValue,
-    pub y: FeltValue,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct RangeCheckData {
-    pub index: u64,
-    pub value: FeltValue,
-}
-
-#[derive(Clone, Debug)]
-pub struct FeltValue([u8; 32]);
-
-impl Serialize for FeltValue {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        // Convert the [u8; 32] to a hexadecimal string
-        let hex_string = format!("0x{}", hex::encode(self.0));
-        serializer.serialize_str(&hex_string)
-    }
-}
-
-impl<'de> Deserialize<'de> for FeltValue {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: Deserializer<'de>,
-    {
-        let hex_string = String::deserialize(deserializer)?;
-
-        // Remove the "0x" prefix if present
-        let hex_str = hex_string.strip_prefix("0x").unwrap_or(&hex_string);
-        let hex_str = format!("{:0>64}", hex_str);
-
-        // Convert the hexadecimal string back into a [u8; 32]
-        let mut bytes = [0u8; 32];
-        hex::decode_to_slice(hex_str, &mut bytes).map_err(serde::de::Error::custom)?;
-
-        Ok(FeltValue(bytes))
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_felt_value_serde() {
-        let felt_value = FeltValue([0x12; 32]);
-        let json = sonic_rs::to_string(&felt_value).unwrap();
-        assert_eq!(
-            json,
-            r#""0x1212121212121212121212121212121212121212121212121212121212121212""#
-        );
-
-        let deserialized: FeltValue = sonic_rs::from_str(&json).unwrap();
-        assert_eq!(felt_value.0, deserialized.0);
-    }
 }

stwo_cairo_prover/crates/prover/src/input/vm_import/mod.rs

@@ -4,16 +4,17 @@ use std::io::Read;
 use std::path::Path;
 
 use bytemuck::{bytes_of_mut, Pod, Zeroable};
+use cairo_vm::air_public_input::PublicInput;
 use cairo_vm::vm::trace::trace_entry::RelocatedTraceEntry;
-use json::{PrivateInput, PublicInput};
+use json::PrivateInput;
 use thiserror::Error;
 use tracing::{span, Level};
 
 use super::mem::MemConfig;
 use super::state_transitions::StateTransitions;
 use super::CairoInput;
 use crate::input::mem::MemoryBuilder;
-use crate::input::SegmentAddrs;
+use crate::input::MemorySegmentAddresses;
 
 #[derive(Debug, Error)]
 pub enum VmImportError {
@@ -32,7 +33,8 @@ pub fn import_from_vm_output(
     dev_mod: bool,
 ) -> Result<CairoInput, VmImportError> {
     let _span = span!(Level::INFO, "import_from_vm_output").entered();
-    let pub_data: PublicInput = sonic_rs::from_str(&std::fs::read_to_string(pub_json)?)?;
+    let pub_data_string = std::fs::read_to_string(pub_json)?;
+    let pub_data: PublicInput<'_> = sonic_rs::from_str(&pub_data_string)?;
     let priv_data: PrivateInput = sonic_rs::from_str(&std::fs::read_to_string(priv_json)?)?;
 
     let end_addr = pub_data
@@ -63,9 +65,9 @@ pub fn import_from_vm_output(
         state_transitions,
         mem: mem.build(),
         public_mem_addresses,
-        range_check_builtin: SegmentAddrs {
-            begin_addr: pub_data.memory_segments["range_check"].begin_addr as u32,
-            end_addr: pub_data.memory_segments["range_check"].stop_ptr as u32,
+        range_check_builtin: MemorySegmentAddresses {
+            begin_addr: pub_data.memory_segments["range_check"].begin_addr as usize,
+            stop_ptr: pub_data.memory_segments["range_check"].stop_ptr as usize,
         },
     })
 }