Release the GIL when calling validate_clvm_and_signature in the pytho…

…n binding.

crates/chia-consensus/src/spendbundle_conditions.rs

@@ -15,6 +15,8 @@ use clvmr::reduction::Reduction;
 use clvmr::run_program::run_program;
 use clvmr::serde::node_from_bytes;
 
+const QUOTE_BYTES: usize = 2;
+
 pub fn get_conditions_from_spendbundle(
     a: &mut Allocator,
     spend_bundle: &SpendBundle,
@@ -40,7 +42,6 @@ pub fn get_conditions_from_spendbundle(
     });
     // We don't pay the size cost (nor execution cost) of being wrapped by a
     // quote (in solution_generator).
-    const QUOTE_BYTES: usize = 2;
     let generator_length_without_quote = solution_generator(spends_info)?.len() - QUOTE_BYTES;
     let byte_cost = generator_length_without_quote as u64 * constants.cost_per_byte;
     subtract_cost(a, &mut cost_left, byte_cost)?;
@@ -351,7 +352,6 @@ mod tests {
                         &coin_spend.solution,
                     )
                 });
-                const QUOTE_BYTES: usize = 2;
                 let generator_length_without_quote = solution_generator(program_spends)
                     .expect("solution_generator failed")
                     .len()

wheel/src/api.rs

@@ -422,16 +422,19 @@ fn fast_forward_singleton<'p>(
 #[pyo3(name = "validate_clvm_and_signature")]
 #[allow(clippy::type_complexity)]
 pub fn py_validate_clvm_and_signature(
+    py: Python<'_>,
     new_spend: &SpendBundle,
     max_cost: u64,
     constants: &ConsensusConstants,
     peak_height: u32,
 ) -> PyResult<(OwnedSpendBundleConditions, Vec<([u8; 32], GTElement)>, f32)> {
-    let (owned_conditions, additions, duration) =
-        validate_clvm_and_signature(new_spend, max_cost, constants, peak_height).map_err(|e| {
+    let (owned_conditions, additions, duration) = py
+        .allow_threads(|| validate_clvm_and_signature(new_spend, max_cost, constants, peak_height))
+        .map_err(|e| {
+            // cast validation error to int
             let error_code: u32 = e.into();
             PyErr::new::<PyTypeError, _>(error_code)
-        })?; // cast validation error to int
+        })?;
     Ok((owned_conditions, additions, duration.as_secs_f32()))
 }