use crate::components::prelude::*;
use crate::components::subroutines::decode_instruction_2a7a2::DecodeInstruction2A7A2;
use crate::components::subroutines::read_positive_num_bits_29::ReadPositiveNumBits29;
use crate::components::subroutines::read_small::ReadSmall;
pub const N_TRACE_COLUMNS: usize = 24;
pub const RELATION_USES_PER_ROW: [RelationUse; 4] = [
RelationUse {
relation_id: "MemoryAddressToId",
uses: 3,
},
RelationUse {
relation_id: "MemoryIdToBig",
uses: 3,
},
RelationUse {
relation_id: "Opcodes",
uses: 1,
},
RelationUse {
relation_id: "VerifyInstruction",
uses: 1,
},
];
pub struct Eval {
pub claim: Claim,
pub common_lookup_elements: relations::CommonLookupElements,
}
#[derive(Copy, Clone, Serialize, Deserialize, CairoSerialize, CairoDeserialize)]
pub struct Claim {
pub log_size: u32,
}
impl Claim {
pub fn log_sizes(&self) -> TreeVec<Vec<u32>> {
let trace_log_sizes = vec![self.log_size; N_TRACE_COLUMNS];
let interaction_log_sizes = vec![self.log_size; SECURE_EXTENSION_DEGREE * 5];
TreeVec::new(vec![vec![], trace_log_sizes, interaction_log_sizes])
}
}
#[derive(Copy, Clone, Serialize, Deserialize, CairoSerialize, CairoDeserialize)]
pub struct InteractionClaim {
pub claimed_sum: SecureField,
}
pub type Component = FrameworkComponent<Eval>;
impl FrameworkEval for Eval {
fn log_size(&self) -> u32 {
self.claim.log_size
}
fn max_constraint_log_degree_bound(&self) -> u32 {
self.log_size() + 1
}
#[allow(unused_parens)]
#[allow(clippy::double_parens)]
#[allow(non_snake_case)]
fn evaluate<E: EvalAtRow>(&self, mut eval: E) -> E {
let M31_1 = E::F::from(M31::from(1));
let M31_134217728 = E::F::from(M31::from(134217728));
let M31_2 = E::F::from(M31::from(2));
let M31_262144 = E::F::from(M31::from(262144));
let M31_428564188 = E::F::from(M31::from(428564188));
let M31_512 = E::F::from(M31::from(512));
let input_pc_col0 = eval.next_trace_mask();
let input_ap_col1 = eval.next_trace_mask();
let input_fp_col2 = eval.next_trace_mask();
let stored_fp_id_col3 = eval.next_trace_mask();
let stored_fp_limb_0_col4 = eval.next_trace_mask();
let stored_fp_limb_1_col5 = eval.next_trace_mask();
let stored_fp_limb_2_col6 = eval.next_trace_mask();
let stored_fp_limb_3_col7 = eval.next_trace_mask();
let partial_limb_msb_col8 = eval.next_trace_mask();
let stored_ret_pc_id_col9 = eval.next_trace_mask();
let stored_ret_pc_limb_0_col10 = eval.next_trace_mask();
let stored_ret_pc_limb_1_col11 = eval.next_trace_mask();
let stored_ret_pc_limb_2_col12 = eval.next_trace_mask();
let stored_ret_pc_limb_3_col13 = eval.next_trace_mask();
let partial_limb_msb_col14 = eval.next_trace_mask();
let distance_to_next_pc_id_col15 = eval.next_trace_mask();
let msb_col16 = eval.next_trace_mask();
let mid_limbs_set_col17 = eval.next_trace_mask();
let distance_to_next_pc_limb_0_col18 = eval.next_trace_mask();
let distance_to_next_pc_limb_1_col19 = eval.next_trace_mask();
let distance_to_next_pc_limb_2_col20 = eval.next_trace_mask();
let remainder_bits_col21 = eval.next_trace_mask();
let partial_limb_msb_col22 = eval.next_trace_mask();
let enabler_col23 = eval.next_trace_mask();
DecodeInstruction2A7A2::evaluate(
[input_pc_col0.clone()],
&self.common_lookup_elements,
&mut eval,
);
ReadPositiveNumBits29::evaluate(
[input_ap_col1.clone()],
stored_fp_id_col3.clone(),
stored_fp_limb_0_col4.clone(),
stored_fp_limb_1_col5.clone(),
stored_fp_limb_2_col6.clone(),
stored_fp_limb_3_col7.clone(),
partial_limb_msb_col8.clone(),
&self.common_lookup_elements,
&mut eval,
);
eval.add_constraint(
((((stored_fp_limb_0_col4.clone()
+ (stored_fp_limb_1_col5.clone() * M31_512.clone()))
+ (stored_fp_limb_2_col6.clone() * M31_262144.clone()))
+ (stored_fp_limb_3_col7.clone() * M31_134217728.clone()))
- input_fp_col2.clone()),
);
ReadPositiveNumBits29::evaluate(
[(input_ap_col1.clone() + M31_1.clone())],
stored_ret_pc_id_col9.clone(),
stored_ret_pc_limb_0_col10.clone(),
stored_ret_pc_limb_1_col11.clone(),
stored_ret_pc_limb_2_col12.clone(),
stored_ret_pc_limb_3_col13.clone(),
partial_limb_msb_col14.clone(),
&self.common_lookup_elements,
&mut eval,
);
eval.add_constraint(
((((stored_ret_pc_limb_0_col10.clone()
+ (stored_ret_pc_limb_1_col11.clone() * M31_512.clone()))
+ (stored_ret_pc_limb_2_col12.clone() * M31_262144.clone()))
+ (stored_ret_pc_limb_3_col13.clone() * M31_134217728.clone()))
- (input_pc_col0.clone() + M31_2.clone())),
);
#[allow(clippy::unused_unit)]
#[allow(unused_variables)]
let [read_small_output_tmp_9db06_26_limb_0] = ReadSmall::evaluate(
[(input_pc_col0.clone() + M31_1.clone())],
distance_to_next_pc_id_col15.clone(),
msb_col16.clone(),
mid_limbs_set_col17.clone(),
distance_to_next_pc_limb_0_col18.clone(),
distance_to_next_pc_limb_1_col19.clone(),
distance_to_next_pc_limb_2_col20.clone(),
remainder_bits_col21.clone(),
partial_limb_msb_col22.clone(),
&self.common_lookup_elements,
&mut eval,
);
eval.add_constraint(
((enabler_col23.clone() * enabler_col23.clone()) - enabler_col23.clone()),
);
eval.add_to_relation(RelationEntry::new(
&self.common_lookup_elements,
E::EF::from(enabler_col23.clone()),
&[
M31_428564188.clone(),
input_pc_col0.clone(),
input_ap_col1.clone(),
input_fp_col2.clone(),
],
));
eval.add_to_relation(RelationEntry::new(
&self.common_lookup_elements,
-E::EF::from(enabler_col23.clone()),
&[
M31_428564188.clone(),
(input_pc_col0.clone() + read_small_output_tmp_9db06_26_limb_0.clone()),
(input_ap_col1.clone() + M31_2.clone()),
(input_ap_col1.clone() + M31_2.clone()),
],
));
eval.finalize_logup_in_pairs();
eval
}
}
#[cfg(test)]
mod tests {
use num_traits::Zero;
use rand::rngs::SmallRng;
use rand::{Rng, SeedableRng};
use stwo::core::fields::qm31::QM31;
use stwo_constraint_framework::expr::ExprEvaluator;
use super::*;
use crate::components::constraints_regression_test_values::CALL_OPCODE_REL_IMM;
#[test]
fn call_opcode_rel_imm_constraints_regression() {
let mut rng = SmallRng::seed_from_u64(0);
let eval = Eval {
claim: Claim { log_size: 4 },
common_lookup_elements: relations::CommonLookupElements::dummy(),
};
let expr_eval = eval.evaluate(ExprEvaluator::new());
let assignment = expr_eval.random_assignment();
let mut sum = QM31::zero();
for c in expr_eval.constraints {
sum += c.assign(&assignment) * rng.gen::<QM31>();
}
CALL_OPCODE_REL_IMM.assert_debug_eq(&sum);
}
}