Cairo 1 Hint Processor crate

Cargo.toml

@@ -31,7 +31,7 @@ assert_matches = "1.5.0"
 rusty-hook = "0.11"
 
 [workspace]
-members = ["crates/starknet-rs-py"]
+members = ["crates/starknet-rs-py", "crates/cairo-1-hint-processor"]
 
 [[bench]]
 path = "bench/internals.rs"

crates/cairo-1-hint-processor/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "cairo-1-hint-processor"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+cairo-rs = { git = "https://github.com/lambdaclass/cairo-rs", package = "cairo-vm", rev = "725c17e6b4c50ecf9fbb0113ecf172d858372954" }
+felt = { git = "https://github.com/lambdaclass/cairo-rs", package = "cairo-felt", rev = "725c17e6b4c50ecf9fbb0113ecf172d858372954" }
+cairo-lang-casm = { git = "https://github.com/starkware-libs/cairo" }

crates/cairo-1-hint-processor/src/hint_processor.rs

@@ -0,0 +1,29 @@
+use std::collections::HashMap;
+
+use cairo_rs::{
+    hint_processor::hint_processor_definition::HintProcessor,
+    types::exec_scope::ExecutionScopes,
+    vm::{errors::hint_errors::HintError, vm_core::VirtualMachine},
+};
+use felt::Felt252;
+
+/// HintProcessor for Cairo 1 compiler hints.
+struct Cairo1HintProcessor {}
+
+impl HintProcessor for Cairo1HintProcessor {
+    fn execute_hint(
+        &mut self,
+        //Proxy to VM, contains references to necessary data
+        //+ MemoryProxy, which provides the necessary methods to manipulate memory
+        _vm: &mut VirtualMachine,
+        //Proxy to ExecutionScopes, provides the necessary methods to manipulate the scopes and
+        //access current scope variables
+        _exec_scopes: &mut ExecutionScopes,
+        //Data structure that can be downcasted to the structure generated by compile_hint
+        _hint_data: &Box<dyn std::any::Any>,
+        //Constant values extracted from the program specification.
+        _constants: &HashMap<String, Felt252>,
+    ) -> Result<(), HintError> {
+        todo!();
+    }
+}

crates/cairo-1-hint-processor/src/lib.rs

@@ -0,0 +1 @@
+pub mod hint_processor;