use crate::components::prelude::*;
use crate::components::subroutines::decode_instruction_9bd86::DecodeInstruction9Bd86;
use crate::components::subroutines::read_positive_num_bits_29::ReadPositiveNumBits29;
pub const N_TRACE_COLUMNS: usize = 21;
pub const RELATION_USES_PER_ROW: [RelationUse; 4] = [
RelationUse {
relation_id: "MemoryAddressToId",
uses: 2,
},
RelationUse {
relation_id: "MemoryIdToBig",
uses: 2,
},
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 * 4];
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_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 offset1_col3 = eval.next_trace_mask();
let offset2_col4 = eval.next_trace_mask();
let op0_base_fp_col5 = eval.next_trace_mask();
let ap_update_add_1_col6 = eval.next_trace_mask();
let mem0_base_col7 = eval.next_trace_mask();
let mem1_base_id_col8 = eval.next_trace_mask();
let mem1_base_limb_0_col9 = eval.next_trace_mask();
let mem1_base_limb_1_col10 = eval.next_trace_mask();
let mem1_base_limb_2_col11 = eval.next_trace_mask();
let mem1_base_limb_3_col12 = eval.next_trace_mask();
let partial_limb_msb_col13 = eval.next_trace_mask();
let next_pc_id_col14 = eval.next_trace_mask();
let next_pc_limb_0_col15 = eval.next_trace_mask();
let next_pc_limb_1_col16 = eval.next_trace_mask();
let next_pc_limb_2_col17 = eval.next_trace_mask();
let next_pc_limb_3_col18 = eval.next_trace_mask();
let partial_limb_msb_col19 = eval.next_trace_mask();
let enabler_col20 = eval.next_trace_mask();
#[allow(clippy::unused_unit)]
#[allow(unused_variables)]
let [decode_instruction_9bd86_output_tmp_22134_6_offset1, decode_instruction_9bd86_output_tmp_22134_6_offset2] =
DecodeInstruction9Bd86::evaluate(
[input_pc_col0.clone()],
offset1_col3.clone(),
offset2_col4.clone(),
op0_base_fp_col5.clone(),
ap_update_add_1_col6.clone(),
&self.common_lookup_elements,
&mut eval,
);
eval.add_constraint(
(mem0_base_col7.clone()
- ((op0_base_fp_col5.clone() * input_fp_col2.clone())
+ ((M31_1.clone() - op0_base_fp_col5.clone()) * input_ap_col1.clone()))),
);
ReadPositiveNumBits29::evaluate(
[(mem0_base_col7.clone()
+ decode_instruction_9bd86_output_tmp_22134_6_offset1.clone())],
mem1_base_id_col8.clone(),
mem1_base_limb_0_col9.clone(),
mem1_base_limb_1_col10.clone(),
mem1_base_limb_2_col11.clone(),
mem1_base_limb_3_col12.clone(),
partial_limb_msb_col13.clone(),
&self.common_lookup_elements,
&mut eval,
);
ReadPositiveNumBits29::evaluate(
[((((mem1_base_limb_0_col9.clone()
+ (mem1_base_limb_1_col10.clone() * M31_512.clone()))
+ (mem1_base_limb_2_col11.clone() * M31_262144.clone()))
+ (mem1_base_limb_3_col12.clone() * M31_134217728.clone()))
+ decode_instruction_9bd86_output_tmp_22134_6_offset2.clone())],
next_pc_id_col14.clone(),
next_pc_limb_0_col15.clone(),
next_pc_limb_1_col16.clone(),
next_pc_limb_2_col17.clone(),
next_pc_limb_3_col18.clone(),
partial_limb_msb_col19.clone(),
&self.common_lookup_elements,
&mut eval,
);
eval.add_constraint(
((enabler_col20.clone() * enabler_col20.clone()) - enabler_col20.clone()),
);
eval.add_to_relation(RelationEntry::new(
&self.common_lookup_elements,
E::EF::from(enabler_col20.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_col20.clone()),
&[
M31_428564188.clone(),
(((next_pc_limb_0_col15.clone()
+ (next_pc_limb_1_col16.clone() * M31_512.clone()))
+ (next_pc_limb_2_col17.clone() * M31_262144.clone()))
+ (next_pc_limb_3_col18.clone() * M31_134217728.clone())),
(input_ap_col1.clone() + ap_update_add_1_col6.clone()),
input_fp_col2.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::JUMP_OPCODE_DOUBLE_DEREF;
#[test]
fn jump_opcode_double_deref_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>();
}
JUMP_OPCODE_DOUBLE_DEREF.assert_debug_eq(&sum);
}
}