support builtins in the adapter

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

@@ -0,0 +1,84 @@
+use std::collections::HashMap;
+
+use cairo_vm::air_public_input::MemorySegmentAddresses;
+use cairo_vm::types::builtin_name::BuiltinName;
+
+/// This struct holds the builtins used in a Cairo program.
+#[derive(Debug, Default)]
+pub struct BuiltinSegments {
+    pub range_check_bits_128: Option<MemorySegmentAddresses>,
+    pub pedersen: Option<MemorySegmentAddresses>,
+    pub ecdsa: Option<MemorySegmentAddresses>,
+    pub keccak: Option<MemorySegmentAddresses>,
+    pub bitwise: Option<MemorySegmentAddresses>,
+    pub ec_op: Option<MemorySegmentAddresses>,
+    pub poseidon: Option<MemorySegmentAddresses>,
+    pub range_check_bits_96: Option<MemorySegmentAddresses>,
+    pub add_mod: Option<MemorySegmentAddresses>,
+    pub mul_mod: Option<MemorySegmentAddresses>,
+}
+
+impl BuiltinSegments {
+    /// Creates a new `BuiltinSegments` struct from a map of memory segment names to addresses.
+    pub fn from_memory_segments(memory_segments: &HashMap<&str, MemorySegmentAddresses>) -> Self {
+        let mut res = BuiltinSegments::default();
+        for (name, value) in memory_segments.iter() {
+            if let Some(builtin) = BuiltinName::from_str(name) {
+                let segments = if value.begin_addr == value.stop_ptr {
+                    None
+                } else {
+                    Some((value.begin_addr, value.stop_ptr).into())
+                };
+                match builtin {
+                    BuiltinName::range_check => res.range_check_bits_128 = segments,
+                    BuiltinName::pedersen => res.pedersen = segments,
+                    BuiltinName::ecdsa => res.ecdsa = segments,
+                    BuiltinName::keccak => res.keccak = segments,
+                    BuiltinName::bitwise => res.bitwise = segments,
+                    BuiltinName::ec_op => res.ec_op = segments,
+                    BuiltinName::poseidon => res.poseidon = segments,
+                    BuiltinName::range_check96 => res.range_check_bits_96 = segments,
+                    BuiltinName::add_mod => res.add_mod = segments,
+                    BuiltinName::mul_mod => res.mul_mod = segments,
+                    // Not builtins.
+                    BuiltinName::output | BuiltinName::segment_arena => {}
+                }
+            };
+        }
+        res
+    }
+}
+
+#[cfg(test)]
+mod test_builtin_segments {
+    use std::path::PathBuf;
+
+    use cairo_vm::air_public_input::PublicInput;
+
+    use crate::input::BuiltinSegments;
+
+    // TODO(Stav): move read json to be a unit function
+    #[test]
+    fn test_builtin_segments() {
+        let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        path.push("src/input/test_builtins_segments/blake2s_felts_public_input.json");
+        let pub_data_string = std::fs::read_to_string(&path)
+            .unwrap_or_else(|_| panic!("Unable to read file: {}", path.display()));
+        let pub_data: PublicInput<'_> =
+            sonic_rs::from_str(&pub_data_string).expect("Unable to parse JSON");
+        let builtins_segments = BuiltinSegments::from_memory_segments(&pub_data.memory_segments);
+        assert_eq!(
+            builtins_segments.range_check_bits_128,
+            Some((7069, 7187).into())
+        );
+        assert_eq!(builtins_segments.pedersen, None);
+        assert_eq!(builtins_segments.ecdsa, None);
+        assert_eq!(builtins_segments.keccak, None);
+        assert_eq!(builtins_segments.bitwise, Some((23581, 23901).into()));
+        assert_eq!(builtins_segments.ec_op, None);
+        assert_eq!(builtins_segments.poseidon, None);
+        assert_eq!(builtins_segments.range_check_bits_96, None);
+        assert_eq!(builtins_segments.add_mod, None);
+        assert_eq!(builtins_segments.mul_mod, None);
+    }
+}

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

@@ -1,7 +1,8 @@
-use cairo_vm::air_public_input::MemorySegmentAddresses;
+use builtin_segments::BuiltinSegments;
 use mem::Memory;
 use state_transitions::StateTransitions;
 
+pub mod builtin_segments;
 mod decode;
 pub mod mem;
 pub mod plain;
@@ -17,7 +18,5 @@ pub struct CairoInput {
     pub state_transitions: StateTransitions,
     pub mem: Memory,
     pub public_mem_addresses: Vec<u32>,
-
-    // Builtins.
-    pub range_check_builtin: MemorySegmentAddresses,
+    pub builtins_segments: BuiltinSegments,
 }

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

@@ -9,8 +9,7 @@ use itertools::Itertools;
 use super::mem::{MemConfig, MemoryBuilder};
 use super::state_transitions::StateTransitions;
 use super::vm_import::MemEntry;
-use super::CairoInput;
-use crate::input::MemorySegmentAddresses;
+use super::{BuiltinSegments, CairoInput};
 
 // 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
@@ -71,6 +70,13 @@ pub fn input_from_finished_runner(runner: CairoRunner, dev_mode: bool) -> CairoI
                 val: bytemuck::cast(v.to_bytes_le()),
             })
         });
+
+    let memory_segments = &runner
+        .get_air_public_input()
+        .expect("Unable to get public input from the runner")
+        .memory_segments;
+    let builtins_segments = BuiltinSegments::from_memory_segments(memory_segments);
+
     let trace = runner.relocated_trace.unwrap();
     let trace = trace.iter().map(|t| t.clone().into());
 
@@ -84,9 +90,6 @@ pub fn input_from_finished_runner(runner: CairoRunner, dev_mode: bool) -> CairoI
         state_transitions,
         mem: mem.build(),
         public_mem_addresses,
-        range_check_builtin: MemorySegmentAddresses {
-            begin_addr: 24,
-            stop_ptr: 64,
-        },
+        builtins_segments,
     }
 }