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MainPod implementation (#168)

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* Initial circuit op work

* Fix copy op

* Add more ops

* add mainpod boilerplate

* pass basic test of mainpod

* fix duplicate imports

* WIP

* fixes

* wip

* fix test

* wip

* clean up

* address feedback from @ax0

* oops

---------

Co-authored-by: Ahmad <root@ahmadafuni.com>
This commit is contained in:
Eduard S. 2025-04-01 11:23:45 -07:00 • committed by GitHub
parent 4a94b34792
commit ce26a316a1
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10 changed files with 530 additions and 104 deletions
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44
src/backends/plonky2/circuits/signedpod.rs
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@ -2,20 +2,24 @@ use anyhow::Result;
use itertools::Itertools;
use plonky2::{
hash::hash_types::{HashOut, HashOutTarget},
iop::target::Target,
iop::witness::{PartialWitness, WitnessWrite},
plonk::circuit_builder::CircuitBuilder,
};
use std::iter;
use crate::backends::plonky2::{
basetypes::{Value, D, EMPTY_VALUE, F},
circuits::common::{CircuitBuilderPod, StatementTarget, ValueTarget},
circuits::common::{CircuitBuilderPod, StatementArgTarget, StatementTarget, ValueTarget},
primitives::{
merkletree::{MerkleProof, MerkleProofExistenceGadget, MerkleProofExistenceTarget},
signature::{PublicKey, SignatureVerifyGadget, SignatureVerifyTarget},
},
signedpod::SignedPod,
};
use crate::middleware::{hash_str, Params, PodType, KEY_SIGNER, KEY_TYPE};
use crate::middleware::{
hash_str, NativePredicate, Params, PodType, Predicate, ToFields, KEY_SIGNER, KEY_TYPE, SELF,
};
pub struct SignedPodVerifyGadget {
pub params: Params,
@ -73,9 +77,39 @@ pub struct SignedPodVerifyTarget {
}
impl SignedPodVerifyTarget {
pub fn pub_statements(&self) -> Vec<StatementTarget> {
// TODO: Here we need to use the self.id in the ValueOf statements
todo!()
pub fn pub_statements(
&self,
builder: &mut CircuitBuilder<F, D>,
self_id: bool,
) -> Vec<StatementTarget> {
let mut statements = Vec::new();
let predicate: [Target; Params::predicate_size()] = builder
.constants(&Predicate::Native(NativePredicate::ValueOf).to_fields(&self.params))
.try_into()
.expect("size predicate_size");
let pod_id = if self_id {
builder.constant_value(SELF.0.into())
} else {
ValueTarget {
elements: self.id.elements,
}
};
for mt_proof in &self.mt_proofs {
let args = [
StatementArgTarget::anchored_key(builder, &pod_id, &mt_proof.key),
StatementArgTarget::literal(builder, &mt_proof.value),
]
.into_iter()
.chain(iter::repeat_with(|| StatementArgTarget::none(builder)))
.take(self.params.max_statement_args)
.collect();
let statement = StatementTarget {
predicate: predicate.clone(),
args,
};
statements.push(statement);
}
statements
}
pub fn set_targets(&self, pw: &mut PartialWitness<F>, pod: &SignedPod) -> Result<()> {