mirror of https://github.com/zcash/halo2.git
Merge pull request #29 from lispc/debug/better_lookup_err3
dev: add name for lookup
This commit is contained in:
commit
6f8a605821
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@ -215,7 +215,7 @@ impl<F: FieldExt> Circuit<F> for MyCircuit<F> {
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* ... ... ... 0
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* ]
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*/
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meta.lookup(|meta| {
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meta.lookup("lookup", |meta| {
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let a_ = meta.query_any(a, Rotation::cur());
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vec![(a_, sl)]
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});
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@ -154,6 +154,8 @@ pub enum VerifyFailure {
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},
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/// A lookup input did not exist in its corresponding table.
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Lookup {
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/// The name of the lookup that is not satisfied.
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name: &'static str,
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/// The index of the lookup that is not satisfied. These indices are assigned in
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/// the order in which `ConstraintSystem::lookup` is called during
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/// `Circuit::configure`.
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@ -215,9 +217,16 @@ impl fmt::Display for VerifyFailure {
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)
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}
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Self::Lookup {
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name,
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lookup_index,
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location,
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} => write!(f, "Lookup {} is not satisfied {}", lookup_index, location),
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} => {
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write!(
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f,
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"Lookup {}(index: {}) is not satisfied {}",
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name, lookup_index, location
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)
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}
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Self::Permutation { column, row } => {
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write!(
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f,
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@ -938,6 +947,7 @@ impl<F: FieldExt> MockProver<F> {
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None
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} else {
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Some(VerifyFailure::Lookup {
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name: lookup.name,
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lookup_index,
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location: FailureLocation::find_expressions(
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&self.cs,
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@ -1122,7 +1132,7 @@ mod tests {
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let q = meta.complex_selector();
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let table = meta.lookup_table_column();
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meta.lookup(|cells| {
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meta.lookup("lookup", |cells| {
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let a = cells.query_advice(a, Rotation::cur());
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let q = cells.query_selector(q);
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@ -1199,6 +1209,7 @@ mod tests {
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assert_eq!(
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prover.verify(),
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Err(vec![VerifyFailure::Lookup {
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name: "lookup",
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lookup_index: 0,
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location: FailureLocation::InRegion {
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region: (2, "Faulty synthesis").into(),
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@ -917,6 +917,7 @@ impl<F: Field> ConstraintSystem<F> {
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/// they need to match.
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pub fn lookup(
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&mut self,
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name: &'static str,
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table_map: impl FnOnce(&mut VirtualCells<'_, F>) -> Vec<(Expression<F>, TableColumn)>,
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) -> usize {
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let mut cells = VirtualCells::new(self);
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@ -935,7 +936,7 @@ impl<F: Field> ConstraintSystem<F> {
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let index = self.lookups.len();
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self.lookups.push(lookup::Argument::new(table_map));
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self.lookups.push(lookup::Argument::new(name, table_map));
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index
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}
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@ -948,6 +949,7 @@ impl<F: Field> ConstraintSystem<F> {
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/// This API allows any column type to be used as table columns.
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pub fn lookup_any(
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&mut self,
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name: &'static str,
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table_map: impl FnOnce(&mut VirtualCells<'_, F>) -> Vec<(Expression<F>, Expression<F>)>,
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) -> usize {
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let mut cells = VirtualCells::new(self);
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@ -955,7 +957,7 @@ impl<F: Field> ConstraintSystem<F> {
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let index = self.lookups.len();
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self.lookups.push(lookup::Argument::new(table_map));
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self.lookups.push(lookup::Argument::new(name, table_map));
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index
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}
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@ -6,6 +6,7 @@ pub(crate) mod verifier;
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#[derive(Clone, Debug)]
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pub(crate) struct Argument<F: Field> {
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pub name: &'static str,
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pub input_expressions: Vec<Expression<F>>,
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pub table_expressions: Vec<Expression<F>>,
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}
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@ -14,9 +15,10 @@ impl<F: Field> Argument<F> {
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/// Constructs a new lookup argument.
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///
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/// `table_map` is a sequence of `(input, table)` tuples.
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pub fn new(table_map: Vec<(Expression<F>, Expression<F>)>) -> Self {
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pub fn new(name: &'static str, table_map: Vec<(Expression<F>, Expression<F>)>) -> Self {
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let (input_expressions, table_expressions) = table_map.into_iter().unzip();
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Argument {
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name,
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input_expressions,
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table_expressions,
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}
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@ -37,7 +37,7 @@ fn lookup_any() {
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};
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// Lookup on even numbers
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meta.lookup_any(|meta| {
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meta.lookup_any("even number", |meta| {
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let input = meta.query_advice(config.input, Rotation::cur());
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let q_even = meta.query_selector(config.q_even);
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@ -47,7 +47,7 @@ fn lookup_any() {
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});
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// Lookup on odd numbers
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meta.lookup_any(|meta| {
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meta.lookup_any("odd number", |meta| {
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let input = meta.query_advice(config.input, Rotation::cur());
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let q_odd = meta.query_selector(config.q_odd);
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@ -299,7 +299,7 @@ fn plonk_api() {
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* ]
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*/
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meta.lookup(|meta| {
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meta.lookup("lookup", |meta| {
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let a_ = meta.query_any(a, Rotation::cur());
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vec![(a_, sl)]
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});
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