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vm: Use new way of hashing poseidon messages.

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parazyd
2021-11-29 14:17:06 +01:00
parent 2d59247f6f
commit 2f2d40e03a
1 changed files with 3 additions and 25 deletions
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28
src/vm.rs
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@@ -10,10 +10,7 @@ use halo2_gadgets::{
chip::{EccChip, EccConfig},
FixedPoint,
},
poseidon::{
Hash as PoseidonHash, Pow5T3Chip as PoseidonChip, Pow5T3Config as PoseidonConfig,
StateWord, Word,
},
poseidon::{Hash as PoseidonHash, Pow5T3Chip as PoseidonChip, Pow5T3Config as PoseidonConfig},
primitives::poseidon::{ConstantLength, P128Pow5T3},
sinsemilla::{
chip::{SinsemillaChip, SinsemillaConfig},
@@ -427,28 +424,9 @@ impl<'a> Circuit<pallas::Base> for ZkCircuit<'a> {
ZkFunctionCall::PoseidonHash(lhs_idx, rhs_idx) => {
assert!(*lhs_idx < stack_base.len());
assert!(*rhs_idx < stack_base.len());
let messages = [stack_base[*lhs_idx], stack_base[*rhs_idx]];
let poseidon_message = layouter.assign_region(
|| "load message",
|mut region| {
let mut message_word = |i: usize| {
let val = messages[i].value();
let var = region.assign_advice(
|| format!("load message_{}", i),
config.poseidon_config.state()[i],
0,
|| val.ok_or(plonk::Error::SynthesisError),
)?;
region.constrain_equal(var, messages[i].cell())?;
Ok(Word::<_, _, P128Pow5T3, 3, 2>::from_inner(StateWord::new(
var, val,
)))
};
Ok([message_word(0)?, message_word(1)?])
},
)?;
let poseidon_message = [stack_base[*lhs_idx], stack_base[*rhs_idx]];
let poseidon_hasher = PoseidonHash::init(
let poseidon_hasher = PoseidonHash::<_, _, P128Pow5T3, _, 3, 2>::init(
config.poseidon_chip(),
layouter.namespace(|| "Poseidon init"),
ConstantLength::<2>,