Replace the testing R1CS to an instance that has variables

.cargo/config

@@ -1,5 +1,5 @@
 [target.wasm32-unknown-unknown]
-rustflags = ["-C", "link-arg=--max-memory=4294967296"]
+rustflags = ["-C", "target-feature=+atomics,+bulk-memory,+mutable-globals", "-C", "link-arg=--max-memory=4294967296"]
 
 [unstable]
 build-std = ["panic_abort", "std"]

.github/workflows/publish.yaml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   publish:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
         with:
@@ -20,7 +20,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly-2022-10-31
-      - run: rustup component add rust-src
+      - run: rustup component add rust-src --toolchain nightly-2022-10-31-x86_64-unknown-linux-gnu
       - run: rustup target add x86_64-apple-darwin
       # Install circom-secq
       - uses: GuillaumeFalourd/clone-github-repo-action@v2
@@ -31,7 +31,7 @@ jobs:
       # Install wasm-pack
       - uses: jetli/wasm-pack-action@v0.4.0
         with:
-          version: "v0.10.3"
+          version: "0.10.3"
       - run: cargo test --release
       - run: yarn
       - run: yarn build

.gitignore

@@ -2,6 +2,9 @@
 # will have compiled files and executables
 /target/
 
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
@@ -38,3 +41,7 @@ wasm_bytes.ts
 packages/lib/src/circuits/
 
 packages/lib/example/
+
+packages/hoplite_circuit/params/
+packages/hoplite_circuit/prover/proof.bin
+packages/hoplite_circuit/prover/input.bin

.vscode/settings.json

@@ -2,6 +2,7 @@
     "editor.formatOnSave": true,
     "cSpell.words": [
         "merkle",
-        "NIZK"
+        "NIZK",
+        "Secq"
     ]
 }

Cargo.toml

@@ -1,7 +1,10 @@
 [workspace]
 members = [
-    "packages/spartan_wasm",
+#    "packages/spartan_wasm",
     "packages/secq256k1",
+#    "packages/poseidon",
+    "packages/hoplite",
+    "packages/hoplite_circuit",
     "packages/poseidon",
     "packages/Spartan-secq",
     "packages/circuit_reader",

README.md

@@ -53,17 +53,7 @@ yarn add @personaelabs/spartan-ecdsa
 
 v18 or later
 
-### Build
-1. Install Circom with secq256k1 support
-
-```
-git clone https://github.com/DanTehrani/circom-secq
-cd circom-secq && cargo build --release && cargo install --path circom
-```
-
-2. Install [wasm-pack](https://rustwasm.github.io/wasm-pack/installer/)
-
-4. Install dependencies & Build all packages
+### Install dependencies & Build all packages
 
 ```jsx
 yarn && yarn build

packages/Spartan-secq/Cargo.toml

@@ -1,12 +1,10 @@
 [package]
 name = "spartan"
 version = "0.7.1"
-authors = ["Srinath Setty <srinath@microsoft.com>"]
+authors = ["Srinath Setty <srinath@microsoft.com>, Dan Tehrani"]
 edition = "2021"
 description = "High-speed zkSNARKs without trusted setup"
-documentation = "https://docs.rs/spartan/"
 readme = "README.md"
-repository = "https://github.com/microsoft/Spartan"
 license-file = "LICENSE"
 keywords = ["zkSNARKs", "cryptography", "proofs"]
 
@@ -39,19 +37,3 @@ criterion = "0.3.1"
 name = "libspartan"
 path = "src/lib.rs"
 crate-type = ["cdylib", "rlib"]
-
-[[bin]]
-name = "snark"
-path = "profiler/snark.rs"
-
-[[bin]]
-name = "nizk"
-path = "profiler/nizk.rs"
-
-[[bench]]
-name = "snark"
-harness = false
-
-[[bench]]
-name = "nizk"
-harness = false

packages/Spartan-secq/src/dense_mlpoly.rs

@@ -41,7 +41,7 @@ pub struct PolyCommitmentBlinds {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct PolyCommitment {
-  C: Vec<CompressedGroup>,
+  pub C: Vec<CompressedGroup>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -299,7 +299,7 @@ impl AppendToTranscript for PolyCommitment {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct PolyEvalProof {
-  proof: DotProductProofLog,
+  pub proof: DotProductProofLog,
 }
 
 impl PolyEvalProof {

packages/Spartan-secq/src/errors.rs

@@ -3,30 +3,30 @@ use thiserror::Error;
 
 #[derive(Error, Debug)]
 pub enum ProofVerifyError {
-  #[error("Proof verification failed")]
-  InternalError,
-  #[error("Compressed group element failed to decompress: {0:?}")]
-  DecompressionError([u8; 32]),
+    #[error("Proof verification failed")]
+    InternalError,
+    #[error("Compressed group element failed to decompress: {0:?}")]
+    DecompressionError([u8; 32]),
 }
 
 impl Default for ProofVerifyError {
-  fn default() -> Self {
-    ProofVerifyError::InternalError
-  }
+    fn default() -> Self {
+        ProofVerifyError::InternalError
+    }
 }
 
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub enum R1CSError {
-  /// returned if the number of constraints is not a power of 2
-  NonPowerOfTwoCons,
-  /// returned if the number of variables is not a power of 2
-  NonPowerOfTwoVars,
-  /// returned if a wrong number of inputs in an assignment are supplied
-  InvalidNumberOfInputs,
-  /// returned if a wrong number of variables in an assignment are supplied
-  InvalidNumberOfVars,
-  /// returned if a [u8;32] does not parse into a valid Scalar in the field of secq256k1
-  InvalidScalar,
-  /// returned if the supplied row or col in (row,col,val) tuple is out of range
-  InvalidIndex,
+    /// returned if the number of constraints is not a power of 2
+    NonPowerOfTwoCons,
+    /// returned if the number of variables is not a power of 2
+    NonPowerOfTwoVars,
+    /// returned if a wrong number of inputs in an assignment are supplied
+    InvalidNumberOfInputs,
+    /// returned if a wrong number of variables in an assignment are supplied
+    InvalidNumberOfVars,
+    /// returned if a [u8;32] does not parse into a valid Scalar in the field of secq256k1
+    InvalidScalar,
+    /// returned if the supplied row or col in (row,col,val) tuple is out of range
+    InvalidIndex,
 }

packages/Spartan-secq/src/nizk/bullet.rs

@@ -15,8 +15,8 @@ use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct BulletReductionProof {
-  L_vec: Vec<CompressedGroup>,
-  R_vec: Vec<CompressedGroup>,
+  pub L_vec: Vec<CompressedGroup>,
+  pub R_vec: Vec<CompressedGroup>,
 }
 
 impl BulletReductionProof {

packages/Spartan-secq/src/nizk/mod.rs

@@ -11,13 +11,13 @@ use merlin::Transcript;
 use serde::{Deserialize, Serialize};
 
 mod bullet;
-use bullet::BulletReductionProof;
+pub use bullet::BulletReductionProof;
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct KnowledgeProof {
-  alpha: CompressedGroup,
-  z1: Scalar,
-  z2: Scalar,
+  pub alpha: CompressedGroup,
+  pub z1: Scalar,
+  pub z2: Scalar,
 }
 
 impl KnowledgeProof {
@@ -77,8 +77,8 @@ impl KnowledgeProof {
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct EqualityProof {
-  alpha: CompressedGroup,
-  z: Scalar,
+  pub alpha: CompressedGroup,
+  pub z: Scalar,
 }
 
 impl EqualityProof {
@@ -146,10 +146,10 @@ impl EqualityProof {
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct ProductProof {
-  alpha: CompressedGroup,
-  beta: CompressedGroup,
-  delta: CompressedGroup,
-  z: [Scalar; 5],
+  pub alpha: CompressedGroup,
+  pub beta: CompressedGroup,
+  pub delta: CompressedGroup,
+  pub z: [Scalar; 5],
 }
 
 impl ProductProof {
@@ -292,11 +292,11 @@ impl ProductProof {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct DotProductProof {
-  delta: CompressedGroup,
-  beta: CompressedGroup,
-  z: Vec<Scalar>,
-  z_delta: Scalar,
-  z_beta: Scalar,
+  pub delta: CompressedGroup,
+  pub beta: CompressedGroup,
+  pub z: Vec<Scalar>,
+  pub z_delta: Scalar,
+  pub z_beta: Scalar,
 }
 
 impl DotProductProof {
@@ -420,11 +420,11 @@ impl DotProductProofGens {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct DotProductProofLog {
-  bullet_reduction_proof: BulletReductionProof,
-  delta: CompressedGroup,
-  beta: CompressedGroup,
-  z1: Scalar,
-  z2: Scalar,
+  pub bullet_reduction_proof: BulletReductionProof,
+  pub delta: CompressedGroup,
+  pub beta: CompressedGroup,
+  pub z1: Scalar,
+  pub z2: Scalar,
 }
 
 impl DotProductProofLog {

packages/Spartan-secq/src/r1csproof.rs

@@ -21,26 +21,26 @@ use serde::{Deserialize, Serialize};
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct R1CSProof {
-  comm_vars: PolyCommitment,
-  sc_proof_phase1: ZKSumcheckInstanceProof,
-  claims_phase2: (
+  pub comm_vars: PolyCommitment,
+  pub sc_proof_phase1: ZKSumcheckInstanceProof,
+  pub claims_phase2: (
     CompressedGroup,
     CompressedGroup,
     CompressedGroup,
     CompressedGroup,
   ),
-  pok_claims_phase2: (KnowledgeProof, ProductProof),
-  proof_eq_sc_phase1: EqualityProof,
-  sc_proof_phase2: ZKSumcheckInstanceProof,
-  comm_vars_at_ry: CompressedGroup,
-  proof_eval_vars_at_ry: PolyEvalProof,
-  proof_eq_sc_phase2: EqualityProof,
+  pub pok_claims_phase2: (KnowledgeProof, ProductProof),
+  pub proof_eq_sc_phase1: EqualityProof,
+  pub sc_proof_phase2: ZKSumcheckInstanceProof,
+  pub comm_vars_at_ry: CompressedGroup,
+  pub proof_eval_vars_at_ry: PolyEvalProof,
+  pub proof_eq_sc_phase2: EqualityProof,
 }
 
 pub struct R1CSSumcheckGens {
-  gens_1: MultiCommitGens,
-  gens_3: MultiCommitGens,
-  gens_4: MultiCommitGens,
+  pub gens_1: MultiCommitGens,
+  pub gens_3: MultiCommitGens,
+  pub gens_4: MultiCommitGens,
 }
 
 // TODO: fix passing gens_1_ref
@@ -59,8 +59,8 @@ impl R1CSSumcheckGens {
 }
 
 pub struct R1CSGens {
-  gens_sc: R1CSSumcheckGens,
-  gens_pc: PolyCommitmentGens,
+  pub gens_sc: R1CSSumcheckGens,
+  pub gens_pc: PolyCommitmentGens,
 }
 
 impl R1CSGens {

packages/Spartan-secq/src/sparse_mlpoly.rs

@@ -1559,6 +1559,7 @@ impl SparseMatPolyEvalProof {
   }
 }
 
+#[derive(Debug)]
 pub struct SparsePolyEntry {
   idx: usize,
   val: Scalar,
@@ -1609,7 +1610,7 @@ impl SparsePolynomial {
 #[cfg(test)]
 mod tests {
   use super::*;
-  use rand_core::{RngCore, OsRng};
+  use rand_core::{OsRng, RngCore};
   #[test]
   fn check_sparse_polyeval_proof() {
     let mut csprng: OsRng = OsRng;

packages/Spartan-secq/src/sumcheck.rs

@@ -64,9 +64,9 @@ impl SumcheckInstanceProof {
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct ZKSumcheckInstanceProof {
-  comm_polys: Vec<CompressedGroup>,
-  comm_evals: Vec<CompressedGroup>,
-  proofs: Vec<DotProductProof>,
+  pub comm_polys: Vec<CompressedGroup>,
+  pub comm_evals: Vec<CompressedGroup>,
+  pub proofs: Vec<DotProductProof>,
 }
 
 impl ZKSumcheckInstanceProof {

packages/Spartan-secq/src/transcript.rs

@@ -1,6 +1,6 @@
 use super::group::CompressedGroup;
 use super::scalar::Scalar;
-use merlin::Transcript;
+pub use merlin::Transcript;
 
 pub trait ProofTranscript {
   fn append_protocol_name(&mut self, protocol_name: &'static [u8]);

packages/benchmark/node/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "@ethereumjs/util": "^8.0.3",
-    "@personaelabs/spartan-ecdsa": "file:./../../lib"
+    "@personaelabs/spartan-ecdsa": "*"
   },
   "devDependencies": {
     "ts-node": "^10.9.1",

packages/benchmark/web/package.json

@@ -9,7 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@personaelabs/spartan-ecdsa": "file:./../../lib",
+    "@personaelabs/spartan-ecdsa": "*",
     "@ethereumjs/util": "^8.0.3",
     "comlink": "^4.3.1",
     "elliptic": "^6.5.4",

packages/hoplite/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "hoplite"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+secq256k1 = { path = "../secq256k1" }
+spartan = { path = "../Spartan-secq" }
+sha3 = { version = "0.8.2" }
+secpq_curves = { git = "https://github.com/DanTehrani/secpq_curves.git" }

packages/hoplite/README.md

@@ -0,0 +1,8 @@
+# Hoplite
+
+Hoplite is a Spartan reference implementation designed to be the spec for the Halo2 Spartan verification circuit. [Srinath's Spartan implementation](https://github.com/microsoft/Spartan) uses stateful classes, making it difficult to conceptualize the verification process in terms of circuit constraints. To better understand the verification process, it would be helpful to re-implement the verification in a circuit-like coding manner. For example
+
+- The verification should be stateless (i.e. should employ functional programming)
+- The R1CS matrices should be hard-coded into the circuit
+
+Additionally, this reference implementation should include thorough documentation to facilitate collaboration and audits.

packages/hoplite/spartan.md

@@ -0,0 +1,212 @@
+# Spartan: Full Protocol Description
+
+_This doc is a work in progress. Do not recommend reading._
+
+_Reference implementation: [Hoplite](https://github.com/personaelabs/Hoplite)_
+
+## Public Setup
+
+- Compute the Pedersen commitment generators using [hash-to-curve](https://github.com/personaelabs/spartan-ecdsa/blob/main/packages/secq256k1/src/hashtocurve.rs).
+
+## Building blocks
+
+$Fp$: The finite field used in the protocol.
+
+### Pedersen commitment
+
+Commitment
+Multi-commitments
+
+### proof-of-dot-prod
+
+TBD
+
+### proof-of-equality
+
+TBD
+
+### proof-of-opening
+
+TBD
+
+### Closed form evaluation of a multilinear polynomial
+
+$$
+\widetilde{Z}(r_y) = (1 - r_y[0]) ・ \widetilde{w}(r_y[1..]) + r_y[0]・\widetilde{(io, 1)}(r_y[1..]) \\
+
+
+r_y = (2, 3, 4) \\
+\widetilde{w}(x_1, x_2) = x_1 + 2x_2 \\
+\widetilde{io}(x_1, x_2, 1) = x_1 + 2x_2 + 3 * 1 \\
+
+\widetilde{Z}(r_y) = (1 - 2)・(3 + 2 * 4) + 2 * (3 +  2 * 4) \\
+= -1 * 11 + 2 * 11 = 11
+
+
+$$
+
+$z = (io, 1, w)$
+
+### zk-sum-check
+
+The details of the zk-sum-check protocol isn't provided in the Spartan paper (it only mentions that it uses methods form prior constructions). The following is a description of the zk-sum-check protocol used in the [original Spartan implementation](https://github.com/microsoft/Spartan).
+
+_Required prior knowledge: [The sum-check protocol](https://zkproof.org/2020/03/16/sum-checkprotocol/)_
+
+**Notations**
+
+- $g$: The polynomial which the sum is proven. We assume that $g$ is a multilinear polynomial (i.e. degree = 1) for simplicity.
+- $H$: The sum of evaluates of $g$ over the boolean hypercube.
+- $m$: The number of variables in $g$.
+- $s$: $\lfloor{log_2{m}}\rfloor$
+
+The protocol consists of $m$ rounds.
+
+**Prover: First round**
+
+In the first round, the prover computes
+$$g_1(X) = \sum_{i\in\{0, 1\}^{s-1}} g(X, x_2, ... x_m)$$
+
+In the standard sum-check protocol $g_1$ is sent to the verifier and the verifier checks
+$$g_1(0) + g_1(1) \stackrel{?}{=} H$$
+
+and
+
+$$g_1(r_1) \stackrel{?}{=} \sum_{i\in\{0, 1\}^{s-1}} g(r_1, x_2, ... x_m)$$
+
+where $r_1$ is a challenge.
+The evaluation of $g$ in the second check is proven in the successive sum-check protocol.
+
+In zk-sum-check, we instead provide the proof of evaluation of $g_1(0)$ $g_1(1)$ and $g_1(r_1)$ without revealing the coefficients of $g_1$, using proof-of-dot-product. For efficiency, we combine the evaluations into a single proof as follows.
+
+First, since we assume $g$ is a multilinear polynomial, we can write
+
+$$g_1(X) = p_1X + p_0$$
+where $p_0, p_1 \in Fp$ . $p_1$ is the coefficient and $p_0$ is the y-intercept.
+
+Before running proof-of-dot-prod, the prover must send commitments
+
+$$C_{g1} = \mathrm{multicom}((p_1, p_2), r_{g1})$$
+$$C_{eval} = \mathrm{com}(g_1(r), r_{eval})$$
+$$C_{sum} = \mathrm{com}((g_1(0) + g_1(1), r_{sum}))$$  
+to the verifier.
+
+The prover computes the weighted sum of and $g_1(0) + g_1(1)$ and $g(r_1)$ using weights $w_0, w_1 \in F_p$ sent from the verifier as
+$$(g_1(0) + g_1(1)) * w_0 + g_1(r_1) * w_1$$
+$$= p_1w_0 + 2p_0w_0 + p_1w_1r_1 + p_0w_1$$
+$$= p_1(w_0 + r_1w_1) + p_0(2w_0 + w_1)$$
+
+Thus, we use proof-of-dot-prod to prove
+$$(w_0 + r_1w_1, 2w_0 + w_1) \cdot (p_1, p_0) = (g_1(0) + g_1(1)) * w_0 + g_1(r_1) * w_1$$
+
+Now we proceed to the rest of the rounds
+
+### Prover: Rest of the rounds
+
+The rest of the rounds proceed similary as the first round except that prover proves the evaluations of the polynomial
+$$g_i(X) = \sum_{b\in \{0, 1\}^{s-1-i}}g(r_1, ...r_{i-1}, X, x_{i+1},...,{x_m})$$
+
+### Prover: Last round
+
+In the standard sum-check protocol, the verifier queries $g(r_1, ... ,r_m)$ using the oracle of $g$. and checks the result is equal to $g_m(r_m)$. In the Spartan's version of zk-sum-check, the prover instead provides the proof of evaluation of $g(r_1, ... ,r_m)$ **doing another zk-sum-check**. The details of this second zk-sum-check protocol is described later in this doc.
+
+### Verification
+
+The verifier receives
+
+- Claimed sum $H$
+- proof-of-dot-products $\{dp_1, dp_2, ... dp_m\}$
+
+Recall that the dot-product relation is
+$$(w_0 + r_1w_1, 2w_0 + w_1) \cdot (p_1, p_0) = (g_1(0) + g_1(1)) * w_0 + g_1(r_1) * w_1$$
+
+The verifier have access to $r_1, w_0, w_1$ and the commitments $Cy, Cx, C_{eval}$..
+The verifier computes the **target commitment**
+$$Ct = C_{sum} * w_0 + C_{eval} * w_1$$
+
+and checks the dot product proof
+
+$$
+TBD
+$$
+
+## Main Protocol
+
+Now we'll see how Spartan (_SpartanNIZK to be precise!_) uses the above building blocks to construct an NIZK for R1CS satisfiability.
+
+---
+
+**Below this is especially WIP! A lot of incomplete stuff!**
+
+1.$P$ Commit the witness polynomial
+
+- $P: C = PC.commit(pp, \bar{w}, S)$
+  send $C$ to the verifier 2.$V$ Randomly sample a challenge $\tau$ to query $\mathbb{g}$
+- $\tau \in \mathbb{F^{log_m}}$ and send $\tau$ to the prover
+
+4. Let $T_1 = 0$,
+5. $V: sample r_x \in \mathbb{F^{u1}}$
+6. $G_{io},\tau(x) = (\sum_{y \in \{0, 1\}^s} \widetilde{A}(x, y)\widetilde{Z}(y) + \sum_{y \in \{0, 1\}^s}\widetilde{B}(x, y)\widetilde{Z}(y) - \sum_{y \in \{0, 1\}^s}\widetilde{C}(x, y)\widetilde{Z}(y))\widetilde{eq}(x, \tau)$
+
+$\sum_{x \in \{0, 1\}^s} G_{io},\tau(x) = 0$ for a random $\tau$ iff all the constraints are satisfied
+
+- Run sumcheck on $G_{io},\tau(x)$
+- At the last step of the sum check where the verifier queries $G_{io}, \tau(x)$, we use the following sub-protocol.
+
+Define
+
+- $\bar{A}(x) = \sum_{y \in \{0, 1\}^s} \widetilde{A}(x, y)$
+- $\bar{B}(x) = \sum_{y \in \{0, 1\}^s} \widetilde{B}(x, y)$
+- $\bar{C}(x) = \sum_{y \in \{0, 1\}^s} \widetilde{C}(x, y)$
+- $M_{r_x}(y) = r_A *  \widetilde{A}(x, y)\widetilde{Z}(y) + r_B *  \widetilde{B}(x, y)\widetilde{Z}(y) + r_C *  \widetilde{C}(x, y)\widetilde{Z}(y)$
+
+Verify that $\bar{A}(x) * \bar{B}(x) - \bar{C}(x) = 0$
+
+Run the sum-check protocol to verify $M_{r_x}(y)$
+
+- $P$
+  - Send evaluations $v_A = \bar{A}(r_x), v_B = \bar{B}(r_x), v_C = \bar{C}(r_x)$ to the verifier.
+  - Send the opening $v_Z = Z(r_x)$ to the verifier
+- $V$
+  - Check $(v_A + v_B - v_C) * eq(r_x, \tau) = e_x$
+    The last part of the second sum-check protocol
+  - $v_1 = \widetilde{A}(r_x, r_y)$
+  - $v_2 = \widetilde{B}(r_x, r_y)$
+  - $v_3 = \widetilde{C}(r_x, r_y)$
+  - check taht $(r_A * v_1 + r_B * v_2 + r_C * v_3) * v_z = e_y$
+
+In the last round, the verifier needs to query $g(x)$. We will construct a protocol that is specific to Spartan that allows us to query $g(x)$ in zero-knowledge.
+
+### The second zk-sum-check
+
+Instead of constructing a generic method to evalute $g(X)$ in zk, we focus on $g(X)$ which is specific to Spartan. Recall that we want to prove the sum of
+$$G_{io},\tau(x) = (\sum_{y \in \{0, 1\}^s} \widetilde{A}(x, y)\widetilde{Z}(y) + \sum_{y \in \{0, 1\}^s}\widetilde{B}(x, y)\widetilde{Z}(y) - \sum_{y \in \{0, 1\}^s}\widetilde{C}(x, y)\widetilde{Z}(y))\widetilde{eq}(x, \tau)$$
+
+By looking at the terms of $\widetilde{F}(x)$, each term is in a form that is suitable to apply the SumCheck protocol. Assume for now that we can check the validity of each term (i.e each sum of $\widetilde{A}(x, y)\widetilde{Z}$, $\widetilde{B}(x, y)\widetilde{Z}$ and $\widetilde{C}(x, y)\widetilde{Z}$), we can check the relation of the sums as follows.
+
+Define
+
+- $\bar{A}(x) = \sum_{y \in \{0, 1\}^s} \widetilde{A}(x, y)$
+- $\bar{B}(x) = \sum_{y \in \{0, 1\}^s} \widetilde{B}(x, y)$
+- $\bar{C}(x) = \sum_{y \in \{0, 1\}^s} \widetilde{C}(x, y)$
+
+Now, recall that we want to evaluate $G_{io},\tau(x)$ only at the last round of the zk-sum-check over the all round_challenges $r_x = \{r_1, r_2, ... r_m\}$.
+
+Hence the prover can provide the evaluations $v_A, v_B$ and $v_C$ to the verifier.
+$$v_A = \bar{A}(r_x), v_B = \bar{B}(r_x), v_C = \bar{C}(r_x)$$
+The verifier checks that the evaluation of $G_{io}$ is equal to the evaluation of $g_m(r_m)$
+$$g_m(r_m) \stackrel{?}{=} (v_A + v_B - v_C)\widetilde{eq}(r_x, \tau)$$
+
+The verifier also needs to check the validity of $\bar{A}(x), \bar{B}(x), \bar{C}(x)$.
+This is where the second zk-sum-check comes in.
+
+We can check each term individually, but for efficiency, we use a random linear combination of the three terms.
+
+and sample challnges $r_A, r_B, r_C \in_R F_p$ to compute the random linear combination
+
+$$
+\widetilde{M}(x) \\ = r_A \bar{A}(r_x) + r_B\bar{B}(r_x) + r_C\bar{C}(r_x)  \\
+= (r_A\widetilde{A}(r_x, r_y) + r_B\widetilde{B}(r_x, r_y) + r_C\widetilde{C}(r_x, r_y))\widetilde{Z}(r_x, r_y)
+$$
+
+At the end of the second zk-sum-check, the verifier needs to evaluate $\widetilde{Z}(r_x, r_y)$. In order to evaluate without knowing the coefficients, we use the proof_log-of-dot-prod protocol. Note that the prover needs to commit to $Z(x)$ at the beginning so it cannot just come up with a $Z(x)$ that passes the final check of the second zk-sum-check.

packages/hoplite/src/circuit_vals.rs

@@ -0,0 +1,395 @@
+use crate::{Fp, Fq};
+use libspartan::{
+    dense_mlpoly::{PolyCommitment, PolyEvalProof},
+    group::CompressedGroup,
+    nizk::{BulletReductionProof, DotProductProof, EqualityProof, KnowledgeProof, ProductProof},
+    scalar::Scalar,
+    sumcheck::ZKSumcheckInstanceProof,
+};
+use secpq_curves::{
+    group::{prime::PrimeCurveAffine, Curve},
+    CurveAffine, Secq256k1, Secq256k1Affine,
+};
+use secq256k1::{
+    affine::Group,
+    elliptic_curve::{
+        subtle::{Choice, ConditionallySelectable, ConstantTimeEq},
+        Field, PrimeField,
+    },
+};
+
+use std::option::Option;
+
+// ############################
+// `CV` stands for `Circuit Value`.
+// ############################
+
+#[derive(Debug)]
+pub struct CVSumCheckProof {
+    pub comm_polys: Vec<Option<Secq256k1>>,
+    pub comm_evals: Vec<Option<Secq256k1>>,
+    pub proofs: Vec<CVDotProdProof>,
+}
+
+impl CVSumCheckProof {
+    pub fn without_witness(num_rounds: usize, poly_degree: usize) -> Self {
+        Self {
+            comm_polys: vec![None; num_rounds],
+            comm_evals: vec![None; num_rounds],
+            // We pass poly_degree + 1 because we're counting the degree 0 term as well.
+            proofs: vec![CVDotProdProof::without_witness(poly_degree + 1); num_rounds],
+        }
+    }
+}
+
+pub struct CVBulletReductionProof {
+    pub L_vec: Vec<Option<Secq256k1>>,
+    pub R_vec: Vec<Option<Secq256k1>>,
+}
+
+impl CVBulletReductionProof {
+    fn without_witness(vec_len: usize) -> Self {
+        assert!(vec_len % 2 == 0, "vec_len must be even");
+
+        Self {
+            L_vec: vec![None; vec_len / 2],
+            R_vec: vec![None; vec_len / 2],
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct CVDotProdProof {
+    pub delta: Option<Secq256k1>,
+    pub beta: Option<Secq256k1>,
+    pub z: Vec<Option<Fq>>,
+    pub z_delta: Option<Fq>,
+    pub z_beta: Option<Fq>,
+}
+
+impl CVDotProdProof {
+    fn without_witness(vec_len: usize) -> Self {
+        Self {
+            delta: None,
+            beta: None,
+            z: vec![None; vec_len],
+            z_delta: None,
+            z_beta: None,
+        }
+    }
+}
+
+pub struct CVEqualityProof {
+    pub alpha: Option<Secq256k1>,
+    pub z: Option<Fq>,
+}
+
+impl Default for CVEqualityProof {
+    fn default() -> Self {
+        Self {
+            alpha: None,
+            z: None,
+        }
+    }
+}
+
+pub struct CVKnowledgeProof {
+    pub alpha: Option<Secq256k1>,
+    pub z1: Option<Fq>,
+    pub z2: Option<Fq>,
+}
+
+impl Default for CVKnowledgeProof {
+    fn default() -> Self {
+        Self {
+            alpha: None,
+            z1: None,
+            z2: None,
+        }
+    }
+}
+
+pub struct CVProductProof {
+    pub alpha: Option<Secq256k1>,
+    pub beta: Option<Secq256k1>,
+    pub delta: Option<Secq256k1>,
+    pub z: [Option<Fq>; 5],
+}
+
+impl Default for CVProductProof {
+    fn default() -> Self {
+        Self {
+            alpha: None,
+            beta: None,
+            delta: None,
+            z: [None; 5],
+        }
+    }
+}
+
+pub struct CVDotProductProofLog {
+    pub bullet_reduction_proof: CVBulletReductionProof,
+    pub delta: Option<Secq256k1>,
+    pub beta: Option<Secq256k1>,
+    pub z1: Option<Fq>,
+    pub z2: Option<Fq>,
+}
+
+impl CVDotProductProofLog {
+    fn without_witness(vec_len: usize) -> Self {
+        Self {
+            bullet_reduction_proof: CVBulletReductionProof::without_witness(vec_len),
+            delta: None,
+            beta: None,
+            z1: None,
+            z2: None,
+        }
+    }
+}
+
+pub struct CVPolyEvalProof {
+    pub proof: CVDotProductProofLog,
+}
+
+impl CVPolyEvalProof {
+    pub fn without_witness(vec_len: usize) -> Self {
+        Self {
+            proof: CVDotProductProofLog::without_witness(vec_len),
+        }
+    }
+}
+
+pub struct CVPolyCommitment {
+    pub C: Vec<Option<Secq256k1>>,
+}
+
+impl CVPolyCommitment {
+    pub fn without_witness(vec_len: usize) -> Self {
+        let C = vec![None; vec_len];
+        Self { C }
+    }
+}
+
+// Convert the types defined in the `secq256k1` crate
+// to the types defined in the `secpq_curves` crate.
+// This conversion is necessary because,
+// `libspartan` uses `secq256k1` for curve/field operations
+// whereas halo2 uses `secpq_curves`
+
+// In general, we need to do the following two conversions
+// `CompressedGroup` -> `Secq256k1`
+// `Scalar` -> `Fq`
+pub trait ToCircuitVal<V> {
+    fn to_circuit_val(&self) -> V;
+}
+
+pub trait FromCircuitVal<V> {
+    fn from_circuit_val(v: &V) -> Self;
+}
+
+impl FromCircuitVal<Secq256k1> for CompressedGroup {
+    fn from_circuit_val(point: &Secq256k1) -> CompressedGroup {
+        if point.is_identity().into() {
+            return CompressedGroup::identity();
+        }
+
+        let coords = point.to_affine().coordinates().unwrap();
+        let mut x = coords.x().to_bytes();
+        let mut y = coords.y().to_bytes();
+
+        x.reverse();
+        y.reverse();
+
+        let result = CompressedGroup::from_affine_coordinates(&x.into(), &y.into(), true);
+
+        result
+    }
+}
+
+impl ToCircuitVal<Fq> for Scalar {
+    fn to_circuit_val(&self) -> Fq {
+        let bytes = self.to_bytes();
+        Fq::from_bytes(&bytes).unwrap()
+    }
+}
+
+impl ToCircuitVal<CVEqualityProof> for EqualityProof {
+    fn to_circuit_val(&self) -> CVEqualityProof {
+        let alpha = Some(self.alpha.to_circuit_val());
+        let z = Some(self.z.to_circuit_val());
+
+        CVEqualityProof { alpha, z }
+    }
+}
+
+impl ToCircuitVal<CVKnowledgeProof> for KnowledgeProof {
+    fn to_circuit_val(&self) -> CVKnowledgeProof {
+        let alpha = Some(self.alpha.to_circuit_val());
+        let z1 = Some(self.z1.to_circuit_val());
+        let z2 = Some(self.z2.to_circuit_val());
+
+        CVKnowledgeProof { alpha, z1, z2 }
+    }
+}
+
+impl ToCircuitVal<CVProductProof> for ProductProof {
+    fn to_circuit_val(&self) -> CVProductProof {
+        let alpha = Some(self.alpha.to_circuit_val());
+        let beta = Some(self.beta.to_circuit_val());
+        let delta = Some(self.delta.to_circuit_val());
+        let z: [Option<Fq>; 5] = self
+            .z
+            .iter()
+            .map(|z_i| Some(z_i.to_circuit_val()))
+            .collect::<Vec<Option<Fq>>>()
+            .try_into()
+            .unwrap();
+
+        CVProductProof {
+            alpha,
+            beta,
+            delta,
+            z,
+        }
+    }
+}
+
+impl ToCircuitVal<CVPolyEvalProof> for PolyEvalProof {
+    fn to_circuit_val(&self) -> CVPolyEvalProof {
+        let dotprod_proof_log = &self.proof;
+        let beta = Some(dotprod_proof_log.beta.to_circuit_val());
+        let delta = Some(dotprod_proof_log.delta.to_circuit_val());
+        let z1 = Some(dotprod_proof_log.z1.to_circuit_val());
+        let z2 = Some(dotprod_proof_log.z2.to_circuit_val());
+
+        let cv_bullet_reduction_proof = CVBulletReductionProof {
+            L_vec: dotprod_proof_log
+                .bullet_reduction_proof
+                .L_vec
+                .iter()
+                .map(|val| Some(val.compress().to_circuit_val()))
+                .collect::<Vec<Option<Secq256k1>>>()
+                .try_into()
+                .unwrap(),
+            R_vec: dotprod_proof_log
+                .bullet_reduction_proof
+                .R_vec
+                .iter()
+                .map(|val| Some(val.compress().to_circuit_val()))
+                .collect::<Vec<Option<Secq256k1>>>()
+                .try_into()
+                .unwrap(),
+        };
+
+        let cv_dotprod_proof_log = CVDotProductProofLog {
+            delta,
+            beta,
+            z1,
+            z2,
+            bullet_reduction_proof: cv_bullet_reduction_proof,
+        };
+
+        CVPolyEvalProof {
+            proof: cv_dotprod_proof_log,
+        }
+    }
+}
+
+impl ToCircuitVal<CVPolyCommitment> for PolyCommitment {
+    fn to_circuit_val(&self) -> CVPolyCommitment {
+        let C = self
+            .C
+            .iter()
+            .map(|c| Some(c.to_circuit_val()))
+            .collect::<Vec<Option<Secq256k1>>>()
+            .try_into()
+            .unwrap();
+
+        CVPolyCommitment { C }
+    }
+}
+
+impl ToCircuitVal<Secq256k1> for CompressedGroup {
+    fn to_circuit_val(&self) -> Secq256k1 {
+        if self.is_identity() {
+            return Secq256k1::identity();
+        }
+
+        let mut x_bytes: [u8; 32] = (*self.x().unwrap()).try_into().unwrap();
+        // x_bytes is in big-endian!
+        x_bytes.reverse();
+
+        let x = Fp::from_bytes(&x_bytes).unwrap();
+
+        let coords = self.coordinates();
+        let y_odd: Choice = match coords.tag() {
+            secq256k1::elliptic_curve::sec1::Tag::CompressedOddY => Choice::from(1),
+            secq256k1::elliptic_curve::sec1::Tag::CompressedEvenY => Choice::from(0),
+            _ => Choice::from(0),
+        };
+
+        let x3 = x.square() * x;
+        let b = Fp::from_raw([7, 0, 0, 0]);
+        let y = (x3 + b).sqrt();
+
+        let res = y
+            .map(|y| {
+                let y = Fp::conditional_select(&-y, &y, y.is_odd().ct_eq(&y_odd));
+                let p = Secq256k1Affine::from_xy(x, y).unwrap();
+                p.to_curve()
+            })
+            .unwrap();
+
+        res
+    }
+}
+
+impl ToCircuitVal<CVDotProdProof> for DotProductProof {
+    fn to_circuit_val(&self) -> CVDotProdProof {
+        CVDotProdProof {
+            delta: Some(self.delta.to_circuit_val()),
+            beta: Some(self.beta.to_circuit_val()),
+            z_beta: Some(self.z_beta.to_circuit_val()),
+            z_delta: Some(self.z_delta.to_circuit_val()),
+            z: self
+                .z
+                .iter()
+                .map(|z_i| Some(z_i.to_circuit_val()))
+                .collect::<Vec<Option<Fq>>>()
+                .try_into()
+                .unwrap(),
+        }
+    }
+}
+
+impl ToCircuitVal<CVSumCheckProof> for ZKSumcheckInstanceProof {
+    fn to_circuit_val(&self) -> CVSumCheckProof {
+        let mut proofs = vec![];
+        let mut comm_polys = vec![];
+        let mut comm_evals = vec![];
+        for i in 0..self.proofs.len() {
+            proofs.push(self.proofs[i].to_circuit_val());
+            comm_polys.push(Some(self.comm_polys[i].to_circuit_val()));
+            comm_evals.push(Some(self.comm_evals[i].to_circuit_val()));
+        }
+
+        CVSumCheckProof {
+            comm_polys,
+            comm_evals,
+            proofs,
+        }
+    }
+}
+
+impl ToCircuitVal<CVBulletReductionProof> for BulletReductionProof {
+    fn to_circuit_val(&self) -> CVBulletReductionProof {
+        let mut L_vec = vec![];
+        let mut R_vec = vec![];
+        for i in 0..self.L_vec.len() {
+            L_vec.push(Some(self.L_vec[i].to_circuit_val()));
+            R_vec.push(Some(self.R_vec[i].to_circuit_val()));
+        }
+
+        CVBulletReductionProof { L_vec, R_vec }
+    }
+}

packages/hoplite/src/commitments.rs

@@ -0,0 +1,98 @@
+use crate::Fq;
+use secpq_curves::Secq256k1;
+use secq256k1::{affine::Group, AffinePoint};
+use sha3::{
+    digest::{ExtendableOutput, Input},
+    Shake256,
+};
+use std::{io::Read, ops::Mul};
+
+use crate::circuit_vals::ToCircuitVal;
+
+pub struct MultiCommitGens {
+    pub G: Vec<Secq256k1>,
+    pub h: Secq256k1,
+}
+
+impl Default for MultiCommitGens {
+    fn default() -> Self {
+        MultiCommitGens {
+            G: vec![],
+            h: Secq256k1::default(),
+        }
+    }
+}
+
+impl From<libspartan::commitments::MultiCommitGens> for MultiCommitGens {
+    fn from(gens: libspartan::commitments::MultiCommitGens) -> Self {
+        MultiCommitGens {
+            G: gens
+                .G
+                .iter()
+                .map(|g| g.compress().to_circuit_val())
+                .collect(),
+            h: gens.h.compress().to_circuit_val(),
+        }
+    }
+}
+
+impl MultiCommitGens {
+    pub fn new(n: usize, label: &[u8]) -> Self {
+        let mut shake = Shake256::default();
+        shake.input(label);
+        shake.input(AffinePoint::generator().compress().as_bytes());
+
+        let mut reader = shake.xof_result();
+        let mut gens: Vec<Secq256k1> = Vec::new();
+        let mut uniform_bytes = [0u8; 128];
+        for _ in 0..n + 1 {
+            reader.read_exact(&mut uniform_bytes).unwrap();
+            let gen = AffinePoint::from_uniform_bytes(&uniform_bytes).compress();
+            gens.push(gen.to_circuit_val());
+        }
+
+        MultiCommitGens {
+            G: gens[..n].to_vec(),
+            h: gens[n],
+        }
+    }
+
+    pub fn scale(&self, s: &Fq) -> MultiCommitGens {
+        MultiCommitGens {
+            h: self.h,
+            G: (0..self.G.len()).map(|i| self.G[i] * s).collect(),
+        }
+    }
+}
+
+pub trait Commitments {
+    fn commit(&self, blind: &Fq, gens: &MultiCommitGens) -> Secq256k1;
+}
+
+impl Commitments for Fq {
+    fn commit(&self, blind: &Fq, gens: &MultiCommitGens) -> Secq256k1 {
+        gens.G[0] * self + gens.h * blind
+    }
+}
+
+impl Commitments for Vec<Fq> {
+    fn commit(&self, blind: &Fq, gens: &MultiCommitGens) -> Secq256k1 {
+        let mut result = Secq256k1::identity();
+        for (i, val) in self.iter().enumerate() {
+            result += gens.G[i] * val;
+        }
+        result += gens.h * blind;
+        result
+    }
+}
+
+impl Commitments for [Fq] {
+    fn commit(&self, blind: &Fq, gens: &MultiCommitGens) -> Secq256k1 {
+        let mut result = Secq256k1::identity();
+        for (i, val) in self.iter().enumerate() {
+            result += gens.G[i] * val;
+        }
+        result += gens.h * blind;
+        result
+    }
+}

packages/hoplite/src/dotprod.rs

@@ -0,0 +1,73 @@
+use crate::{
+    circuit_vals::{CVDotProdProof, FromCircuitVal},
+    commitments::Commitments,
+    utils::to_fq,
+    Fq, MultiCommitGens,
+};
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{AppendToTranscript, ProofTranscript, Transcript},
+};
+use secpq_curves::{group::Curve, Secq256k1};
+
+// Utilities
+pub fn dot_prod(x: &[Fq], a: &[Fq]) -> Fq {
+    let mut result = Fq::zero();
+    for (x, a) in x.iter().zip(a.iter()) {
+        result += *x * *a;
+    }
+
+    result
+}
+
+// https://eprint.iacr.org/2017/1132.pdf
+// P.18, Figure 6, steps 4
+pub fn verify(
+    tau: &Secq256k1,
+    a: &[Fq],
+    proof: &CVDotProdProof,
+    com_poly: &Secq256k1,
+    gens_1: &MultiCommitGens,
+    gens_n: &MultiCommitGens,
+    transcript: &mut Transcript,
+) {
+    transcript.append_protocol_name(b"dot product proof");
+
+    CompressedGroup::from_circuit_val(com_poly).append_to_transcript(b"Cx", transcript);
+    CompressedGroup::from_circuit_val(tau).append_to_transcript(b"Cy", transcript);
+
+    transcript.append_message(b"a", b"begin_append_vector");
+    for a_i in a {
+        transcript.append_message(b"a", &a_i.to_bytes());
+    }
+    transcript.append_message(b"a", b"end_append_vector");
+
+    CompressedGroup::from_circuit_val(&proof.delta.unwrap())
+        .append_to_transcript(b"delta", transcript);
+
+    CompressedGroup::from_circuit_val(&proof.beta.unwrap())
+        .append_to_transcript(b"beta", transcript);
+
+    let c = to_fq(&transcript.challenge_scalar(b"c"));
+
+    // (13)
+    let lhs = (com_poly * c) + proof.delta.unwrap();
+    let rhs = proof
+        .z
+        .iter()
+        .map(|z_i| z_i.unwrap())
+        .collect::<Vec<Fq>>()
+        .commit(&proof.z_delta.unwrap(), gens_n);
+
+    assert!(lhs == rhs, "dot prod verification failed (13)");
+
+    // (14)
+    let lhs = (tau * c) + proof.beta.unwrap();
+    let rhs = dot_prod(
+        &proof.z.iter().map(|z_i| z_i.unwrap()).collect::<Vec<Fq>>(),
+        a,
+    )
+    .commit(&proof.z_beta.unwrap(), gens_1);
+
+    assert!(lhs == rhs, "dot prod verification failed (14)");
+}

packages/hoplite/src/lib.rs

@@ -0,0 +1,319 @@
+#![allow(non_snake_case)]
+use crate::circuit_vals::{CVSumCheckProof, ToCircuitVal};
+use commitments::{Commitments, MultiCommitGens};
+pub use libspartan::scalar::Scalar;
+use libspartan::{
+    group::DecompressEncodedPoint,
+    transcript::{AppendToTranscript, ProofTranscript, Transcript},
+    Instance, NIZKGens, NIZK,
+};
+use secpq_curves::{group::Curve, Secq256k1};
+pub mod circuit_vals;
+pub mod commitments;
+pub mod dotprod;
+pub mod poly_evaluation_proof;
+pub mod proof_bullet_reduce;
+pub mod proof_log_of_dotprod;
+pub mod proof_of_eq;
+pub mod proof_of_opening;
+pub mod proof_of_prod;
+pub mod sumcheck;
+
+pub mod utils;
+use utils::eval_ml_poly;
+
+pub type Fp = secpq_curves::Fq;
+pub type Fq = secpq_curves::Fp;
+
+pub fn eq_eval(t: &[Fq], x: &[Fq]) -> Fq {
+    let mut result = Fq::one();
+    for i in 0..t.len() {
+        result *= t[i] * x[i] + (Fq::one() - t[i]) * (Fq::one() - x[i]);
+    }
+    result
+}
+
+/**
+ * Verify a SpartanNIZK proof
+ */
+pub fn verify_nizk(
+    inst: &Instance,
+    input: &[libspartan::scalar::Scalar],
+    proof: &NIZK,
+    gens: &NIZKGens,
+) {
+    // Append the domain parameters to the transcript
+    let mut transcript = Transcript::new(b"test_verify");
+
+    transcript.append_protocol_name(b"Spartan NIZK proof");
+    transcript.append_message(b"R1CSInstanceDigest", &inst.digest);
+
+    transcript.append_protocol_name(b"R1CS proof");
+    input.append_to_transcript(b"input", &mut transcript);
+
+    proof
+        .r1cs_sat_proof
+        .comm_vars
+        .append_to_transcript(b"poly_commitment", &mut transcript);
+
+    let tau: Vec<Fq> = transcript
+        .challenge_vector(
+            b"challenge_tau",
+            proof.r1cs_sat_proof.sc_proof_phase1.proofs.len(),
+        )
+        .iter()
+        .map(|tau_i| tau_i.to_circuit_val())
+        .collect();
+
+    // Convert the generators to circuit value representations
+    let gens_1: MultiCommitGens = gens.gens_r1cs_sat.gens_sc.gens_1.clone().into();
+    let gens_3: MultiCommitGens = gens.gens_r1cs_sat.gens_sc.gens_3.clone().into();
+    let gens_4: MultiCommitGens = gens.gens_r1cs_sat.gens_sc.gens_4.clone().into();
+    let gens_pc_gens = &gens.gens_r1cs_sat.gens_pc.gens;
+    let gens_pc_1: MultiCommitGens = gens_pc_gens.gens_1.clone().into();
+    let gens_pc_n: MultiCommitGens = gens_pc_gens.gens_n.clone().into();
+
+    let sc_proof_phase1: CVSumCheckProof = proof.r1cs_sat_proof.sc_proof_phase1.to_circuit_val();
+
+    // The expected sum of the phase 1 sum-check is zero
+    let phase1_expected_sum = Fq::zero().commit(&Fq::zero(), &gens_1);
+
+    // comm_claim_post_phase1: Commitment to the claimed evaluation of the final round polynomial over rx
+    let (comm_claim_post_phase1, rx) = sumcheck::verify(
+        3,
+        &phase1_expected_sum,
+        &sc_proof_phase1,
+        &gens_1,
+        &gens_4,
+        &mut transcript,
+    );
+
+    // Verify Az * Bz = Cz
+    let (comm_Az_claim, comm_Bz_claim, comm_Cz_claim, comm_prod_Az_Bz_claims) =
+        &proof.r1cs_sat_proof.claims_phase2;
+
+    // First, we verify that the prover knows the opening to comm_Cz_claim
+
+    let (pok_Cz_claim, proof_prod) = &proof.r1cs_sat_proof.pok_claims_phase2;
+
+    proof_of_opening::verify(
+        &comm_Cz_claim.to_circuit_val(),
+        &pok_Cz_claim.to_circuit_val(),
+        &gens_1,
+        &mut transcript,
+    );
+
+    // Second, we verify Az * Bz = "Commitment to the claimed prod"
+
+    proof_of_prod::verify(
+        &proof_prod.to_circuit_val(),
+        comm_Az_claim.to_circuit_val(),
+        comm_Bz_claim.to_circuit_val(),
+        comm_prod_Az_Bz_claims.to_circuit_val(),
+        &gens_1,
+        &mut transcript,
+    );
+
+    comm_Az_claim.append_to_transcript(b"comm_Az_claim", &mut transcript);
+    comm_Bz_claim.append_to_transcript(b"comm_Bz_claim", &mut transcript);
+    comm_Cz_claim.append_to_transcript(b"comm_Cz_claim", &mut transcript);
+    comm_prod_Az_Bz_claims.append_to_transcript(b"comm_prod_Az_Bz_claims", &mut transcript);
+
+    // Verify the final query to the polynomial
+
+    // Now, we verify that
+    // (Az * Bz - Cz) * eq(tau, rx) = Commitment to the claimed evaluation of the final round polynomial over rx
+    // In the first sum-check, we verify that
+
+    // (A(x, y) * Z(y) + B(x, y) * Z(y) - C(x, y) * Z(y)) * eq(tau, rx) = 0
+    // So the final round polynomial's evaluation over rx should equal to the
+    // evaluation of the above poly over rx
+
+    let eq_tau_rx = eq_eval(&tau, &rx);
+    let expected_claim_post_phase1 = (comm_prod_Az_Bz_claims.decompress().unwrap()
+        + -comm_Cz_claim.decompress().unwrap())
+    .compress()
+    .to_circuit_val()
+    .to_affine()
+        * eq_tau_rx;
+
+    // Check the equality between the evaluation of the final round poly of the sum-check
+    // and the evaluation of the F(x) poly over rx
+    let proof_eq_sc_phase1 = &proof.r1cs_sat_proof.proof_eq_sc_phase1;
+    proof_of_eq::verify(
+        &expected_claim_post_phase1,
+        &comm_claim_post_phase1,
+        &proof_eq_sc_phase1.to_circuit_val(),
+        &gens_1,
+        &mut transcript,
+    );
+
+    // Verify that the commitments to Az, Bz and Cz are correct
+
+    let r_A = transcript.challenge_scalar(b"challenege_Az");
+    let r_B = transcript.challenge_scalar(b"challenege_Bz");
+    let r_C = transcript.challenge_scalar(b"challenege_Cz");
+
+    // M(r_y) = r_A * comm_Az_claim + r_B * comm_Bz_claim + r_C * comm_Cz_claim;
+    let comm_claim_phase2 = r_A * comm_Az_claim.decompress().unwrap()
+        + r_B * comm_Bz_claim.decompress().unwrap()
+        + r_C * comm_Cz_claim.decompress().unwrap();
+
+    // Verify the sum-check over M(x)
+
+    let sc_proof_phase2: CVSumCheckProof = proof.r1cs_sat_proof.sc_proof_phase2.to_circuit_val();
+    // comm_claim_post_phase2: Claimed evaluation of the final round polynomial over ry
+    let (comm_claim_post_phase2, ry) = sumcheck::verify(
+        2,
+        &comm_claim_phase2.compress().to_circuit_val(),
+        &sc_proof_phase2,
+        &gens_1,
+        &gens_3,
+        &mut transcript,
+    );
+
+    // Verify that the final round polynomial's evaluation over ry is equal to the
+    // evaluation of M(x) over ry.
+
+    // In order to do so, we need to get the evaluation of Z(X) over ry.
+    // We use proof_log of dot prod to verify that.
+
+    // comm_vars: Commitment to the evaluations of Z(X) over the boolean hypercube
+    let comm_vars = proof
+        .r1cs_sat_proof
+        .comm_vars
+        .C
+        .iter()
+        .map(|c_i| c_i.to_circuit_val())
+        .collect::<Vec<Secq256k1>>();
+
+    let poly_eval_proof = &proof.r1cs_sat_proof.proof_eval_vars_at_ry;
+    let comm_vars_at_ry = proof.r1cs_sat_proof.comm_vars_at_ry.to_circuit_val();
+
+    poly_evaluation_proof::verify(
+        &gens_pc_1,
+        &gens_pc_n,
+        &ry[1..],
+        &comm_vars_at_ry,
+        &comm_vars,
+        &poly_eval_proof.to_circuit_val(),
+        &mut transcript,
+    );
+
+    // Interpolate the input as a multilinear polynomial and evaluate at ry[1..]
+    let mut input_with_one: Vec<Fq> = vec![Fq::one()];
+
+    input_with_one.extend_from_slice(
+        &input
+            .iter()
+            .map(|x| x.to_circuit_val())
+            .collect::<Vec<Fq>>(),
+    );
+
+    let poly_input_eval = eval_ml_poly(&input_with_one, &ry[1..]);
+    let comm_poly_input_eval = poly_input_eval.commit(&Fq::zero(), &gens_pc_1);
+
+    // compute commitment to eval_Z_at_ry = (Scalar::one() - ry[0]) * self.eval_vars_at_ry + ry[0] * poly_input_eval
+    let comm_eval_Z_at_ry = comm_vars_at_ry * (Fq::one() - ry[0]) + comm_poly_input_eval * ry[0];
+
+    let (claimed_rx, claimed_ry) = &proof.r;
+    let inst_evals = inst.inst.evaluate(&claimed_rx, &claimed_ry);
+
+    let (eval_A_r, eval_B_r, eval_C_r) = inst_evals;
+
+    // Z(r_y) * (r_A * A(r_y) + r_B * B(r_y) + r_C * C(r_y))
+    let expected_claim_post_phase2 = comm_eval_Z_at_ry
+        * (r_A.to_circuit_val() * eval_A_r.to_circuit_val()
+            + r_B.to_circuit_val() * eval_B_r.to_circuit_val()
+            + r_C.to_circuit_val() * eval_C_r.to_circuit_val());
+
+    // Verify that the commitment to the evaluation of the final round polynomial
+    // is correct
+    proof_of_eq::verify(
+        &expected_claim_post_phase2,
+        &comm_claim_post_phase2,
+        &proof.r1cs_sat_proof.proof_eq_sc_phase2.to_circuit_val(),
+        &gens_1,
+        &mut transcript,
+    );
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use libspartan::{InputsAssignment, Instance, NIZKGens, VarsAssignment};
+
+    #[test]
+    fn test_verify_nizk() {
+        // parameters of the R1CS instance
+        let num_cons = 2;
+        let num_vars = 5;
+        let num_inputs = 0;
+
+        // The constraint
+        // x ** 2 + y = ~out
+
+        // Constraints in R1CS format
+        // sym_1 = x * x
+        // ~out = sym_1 + y
+
+        // Variables
+        // 'y', 'x', 'sym_1', '~out', '~one'
+
+        let mut A: Vec<(usize, usize, [u8; 32])> = Vec::new(); // <row, column, value>
+        let mut B: Vec<(usize, usize, [u8; 32])> = Vec::new();
+        let mut C: Vec<(usize, usize, [u8; 32])> = Vec::new();
+
+        let one = Fq::one().to_bytes();
+
+        // sym_1 = x * x
+        A.push((0, 1, one));
+        B.push((0, 1, one));
+        C.push((0, 2, one));
+
+        // ~out = sym_1 + y
+        A.push((1, 0, one));
+        A.push((1, 2, one));
+        B.push((1, 4, one));
+        C.push((1, 3, one));
+
+        let vars = [
+            Fq::from(2).to_bytes(),
+            Fq::from(2).to_bytes(),
+            Fq::from(4).to_bytes(),
+            Fq::from(6).to_bytes(),
+            Fq::from(1).to_bytes(),
+        ];
+
+        let inputs = vec![];
+
+        let assignment_inputs = InputsAssignment::new(&inputs).unwrap();
+        let assignment_vars = VarsAssignment::new(&vars).unwrap();
+
+        // Check if instance is satisfiable
+        let inst = Instance::new(num_cons, num_vars, num_inputs, &A, &B, &C).unwrap();
+        let res = inst.is_sat(&assignment_vars, &assignment_inputs);
+        assert!(res.unwrap(), "should be satisfied");
+
+        let gens = NIZKGens::new(num_cons, num_vars, num_inputs);
+
+        let mut prover_transcript = Transcript::new(b"test_verify");
+
+        let proof = NIZK::prove(
+            &inst,
+            assignment_vars,
+            &assignment_inputs,
+            &gens,
+            &mut prover_transcript,
+        );
+
+        let mut verifier_transcript = Transcript::new(b"test_verify");
+
+        // Just running the verification of the original implementation as a reference
+        let _result = proof.verify(&inst, &assignment_inputs, &mut verifier_transcript, &gens);
+
+        // In the phase 1 sum check com_eval uses gens_1 and dot product uses gens_4
+        // com_eval uses gens_1, and dot product uses gen_3
+        verify_nizk(&inst, &assignment_inputs.assignment, &proof, &gens);
+    }
+}

packages/hoplite/src/poly_evaluation_proof.rs

@@ -0,0 +1,50 @@
+use crate::circuit_vals::CVPolyEvalProof;
+use crate::{commitments::MultiCommitGens, proof_log_of_dotprod, Fq};
+use libspartan::math::Math;
+use libspartan::transcript::{ProofTranscript, Transcript};
+use secpq_curves::{group::Group, Secq256k1};
+
+fn evals(r: &[Fq]) -> Vec<Fq> {
+    let ell = r.len();
+    let mut evals: Vec<Fq> = vec![Fq::one(); ell.pow2()];
+    let mut size = 1;
+    for j in 0..ell {
+        // in each iteration, we double the size of chis
+        size *= 2;
+        for i in (0..size).rev().step_by(2) {
+            // copy each element from the prior iteration twice
+            let scalar = evals[i / 2];
+            evals[i] = scalar * r[j];
+            evals[i - 1] = scalar - evals[i];
+        }
+    }
+
+    evals
+}
+
+pub fn verify(
+    gens_1: &MultiCommitGens,
+    gens_n: &MultiCommitGens,
+    r: &[Fq],                // point at which the polynomial is evaluated
+    C_Zr: &Secq256k1,        // commitment to \widetilde{Z}(r)
+    comm_poly: &[Secq256k1], // commitment to the evaluations of the polynomial over the boolean hypercube
+    proof: &CVPolyEvalProof,
+    transcript: &mut Transcript,
+) {
+    transcript.append_protocol_name(b"polynomial evaluation proof");
+    // Evaluate the eq poly over the boolean hypercube bounded to r
+    let r_left = &r[0..(r.len() / 2)];
+    let r_right = &r[(r.len() / 2)..];
+
+    let L = evals(r_left);
+    let R = evals(r_right);
+
+    // L * r_left;
+    let mut C_LZ = Secq256k1::identity();
+
+    for i in 0..comm_poly.len() {
+        C_LZ += comm_poly[i] * L[i];
+    }
+
+    proof_log_of_dotprod::verify(gens_1, gens_n, &R, &C_LZ, C_Zr, &proof.proof, transcript);
+}

packages/hoplite/src/proof_bullet_reduce.rs

@@ -0,0 +1,85 @@
+use crate::{
+    circuit_vals::{FromCircuitVal, ToCircuitVal},
+    Fq,
+};
+use libspartan::{
+    group::CompressedGroup,
+    scalar::Scalar,
+    transcript::{ProofTranscript, Transcript},
+};
+use secpq_curves::{
+    group::{Curve, Group},
+    Secq256k1,
+};
+
+pub fn verify(
+    upsilon: &Secq256k1, // The upsilon calculated in this func should equal this
+    a: &[Fq],
+    G: &[Secq256k1],
+    upsilon_L: &[Secq256k1],
+    upsilon_R: &[Secq256k1],
+    transcript: &mut Transcript,
+) -> (Secq256k1, Fq, Secq256k1) {
+    // #####
+    // 1: Compute the verification scalars
+    // #####
+
+    // Compute challenges
+    let mut challenges = vec![];
+    for (L, R) in upsilon_L.iter().zip(upsilon_R.iter()) {
+        transcript.append_point(b"L", &CompressedGroup::from_circuit_val(L));
+        transcript.append_point(b"R", &CompressedGroup::from_circuit_val(R));
+        //        CompressedGroup::from_circuit_val(R).append_to_transcript(b"R", transcript);
+        challenges.push(transcript.challenge_scalar(b"u"));
+    }
+
+    let mut challenges_inv = challenges.clone();
+
+    // 2. Compute the invert of the challenges
+    Scalar::batch_invert(&mut challenges_inv);
+
+    // 3. Compute the square of the challenges
+    let challenges_sq = challenges
+        .iter()
+        .map(|c| c.square())
+        .collect::<Vec<Scalar>>();
+    let challenges_inv_sq = challenges_inv
+        .iter()
+        .map(|c| c.square())
+        .collect::<Vec<Scalar>>();
+
+    let mut upsilon_hat = Secq256k1::identity();
+    upsilon_hat += upsilon;
+
+    let n = upsilon_L.len();
+    for i in 0..n {
+        upsilon_hat += upsilon_L[i] * challenges_sq[i].to_circuit_val()
+            + upsilon_R[i] * challenges_inv_sq[i].to_circuit_val();
+    }
+
+    let mut a = &mut a.to_owned()[..];
+    let mut G = &mut G.to_owned()[..];
+
+    let mut n = G.len();
+    while n != 1 {
+        n /= 2;
+        let (a_L, a_R) = a.split_at_mut(n);
+        let (G_L, G_R) = G.split_at_mut(n);
+
+        for i in 0..n {
+            let u = challenges[challenges.len() - n / 2 - 1];
+            let u_inv = challenges_inv[challenges.len() - n / 2 - 1];
+            a_L[i] = a_L[i] * u_inv.to_circuit_val() + a_R[i] * u.to_circuit_val();
+
+            G_L[i] = G_L[i] * u_inv.to_circuit_val() + G_R[i] * u.to_circuit_val();
+        }
+
+        a = a_L;
+        G = G_L;
+    }
+
+    let a_hat = a[0];
+    let g_hat = G[0];
+
+    (upsilon_hat, a_hat, g_hat)
+}

packages/hoplite/src/proof_log_of_dotprod.rs

@@ -0,0 +1,77 @@
+use crate::{
+    circuit_vals::{CVBulletReductionProof, CVDotProductProofLog, FromCircuitVal, ToCircuitVal},
+    commitments::MultiCommitGens,
+    proof_bullet_reduce,
+    utils::to_fq,
+    Fq,
+};
+use libspartan::{
+    group::CompressedGroup,
+    nizk::DotProductProofLog,
+    transcript::{AppendToTranscript, ProofTranscript, Transcript},
+};
+use secpq_curves::{group::Curve, Secq256k1};
+
+// https://eprint.iacr.org/2017/1132.pdf
+// P.19 proof_log-of-dot-prod
+pub fn verify(
+    gens_1: &MultiCommitGens,
+    gens_n: &MultiCommitGens,
+    a: &[Fq],
+    Cx: &Secq256k1, // commitment to the evaluation (Cy)
+    Cy: &Secq256k1, // commitment to the evaluation (Cy)
+    proof: &CVDotProductProofLog,
+    transcript: &mut Transcript,
+) {
+    transcript.append_protocol_name(b"dot product proof (log)");
+    CompressedGroup::from_circuit_val(Cx).append_to_transcript(b"Cx", transcript);
+    CompressedGroup::from_circuit_val(Cy).append_to_transcript(b"Cy", transcript);
+
+    transcript.append_message(b"a", b"begin_append_vector");
+    for a_i in a {
+        transcript.append_message(b"a", &a_i.to_bytes());
+    }
+    transcript.append_message(b"a", b"end_append_vector");
+
+    // sample a random base and scale the generator used for
+    // the output of the inner product
+    let r = to_fq(&transcript.challenge_scalar(b"r"));
+    let gens_1_scaled = gens_1.scale(&r);
+
+    // Upsilon
+    let Gamma = Cx + Cy * r;
+
+    let L_vec = proof
+        .bullet_reduction_proof
+        .L_vec
+        .iter()
+        .map(|L_i| L_i.unwrap())
+        .collect::<Vec<Secq256k1>>();
+
+    let upsilon_L = L_vec.as_slice();
+
+    let R_vec = &proof
+        .bullet_reduction_proof
+        .R_vec
+        .iter()
+        .map(|R_i| R_i.unwrap())
+        .collect::<Vec<Secq256k1>>();
+
+    let upsilon_R = R_vec.as_slice();
+
+    let (Gamma_hat, a_hat, g_hat) =
+        proof_bullet_reduce::verify(&Gamma, &a, &gens_n.G, upsilon_L, upsilon_R, transcript);
+
+    CompressedGroup::from_circuit_val(&proof.delta.unwrap())
+        .append_to_transcript(b"delta", transcript);
+    CompressedGroup::from_circuit_val(&proof.beta.unwrap())
+        .append_to_transcript(b"beta", transcript);
+
+    let c = to_fq(&transcript.challenge_scalar(b"c"));
+
+    let lhs = (Gamma_hat * c + proof.beta.unwrap()) * a_hat + proof.delta.unwrap();
+    let rhs = (g_hat + gens_1_scaled.G[0] * a_hat) * proof.z1.unwrap()
+        + gens_1_scaled.h * proof.z2.unwrap();
+
+    assert!(rhs == lhs, "Proof (log) of dot prod verification failed");
+}

packages/hoplite/src/proof_of_eq.rs

@@ -0,0 +1,34 @@
+use crate::{
+    circuit_vals::{CVEqualityProof, FromCircuitVal},
+    commitments::MultiCommitGens,
+    utils::to_fq,
+    Fq,
+};
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{AppendToTranscript, ProofTranscript, Transcript},
+};
+use secpq_curves::Secq256k1;
+
+// https://eprint.iacr.org/2017/1132.pdf
+// P.17 proof-of-equality
+pub fn verify(
+    C1: &Secq256k1,
+    C2: &Secq256k1,
+    proof: &CVEqualityProof,
+    gens_n: &MultiCommitGens,
+    transcript: &mut Transcript,
+) {
+    transcript.append_protocol_name(b"equality proof");
+    CompressedGroup::from_circuit_val(C1).append_to_transcript(b"C1", transcript);
+    CompressedGroup::from_circuit_val(C2).append_to_transcript(b"C2", transcript);
+    CompressedGroup::from_circuit_val(&proof.alpha.unwrap())
+        .append_to_transcript(b"alpha", transcript);
+
+    let lhs = gens_n.h * proof.z.unwrap();
+
+    let c = to_fq(&transcript.challenge_scalar(b"c"));
+    let rhs = (C1 - C2) * c + proof.alpha.unwrap();
+
+    assert!(rhs == lhs, "Proof of equality verification failed");
+}

packages/hoplite/src/proof_of_opening.rs

@@ -0,0 +1,32 @@
+use crate::{
+    circuit_vals::{CVKnowledgeProof, FromCircuitVal},
+    commitments::{Commitments, MultiCommitGens},
+    utils::to_fq,
+    Fq,
+};
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{AppendToTranscript, ProofTranscript, Transcript},
+};
+use secpq_curves::Secq256k1;
+
+// https://eprint.iacr.org/2017/1132.pdf
+// P.17 Knowledge of opening
+pub fn verify(
+    C: &Secq256k1,
+    proof: &CVKnowledgeProof,
+    gens_n: &MultiCommitGens,
+    transcript: &mut Transcript,
+) {
+    transcript.append_protocol_name(b"knowledge proof");
+
+    let alpha = proof.alpha.unwrap();
+    CompressedGroup::from_circuit_val(C).append_to_transcript(b"C", transcript);
+    CompressedGroup::from_circuit_val(&alpha).append_to_transcript(b"alpha", transcript);
+
+    let c = to_fq(&transcript.challenge_scalar(b"c"));
+
+    let lhs = proof.z1.unwrap().commit(&proof.z2.unwrap(), gens_n);
+    let rhs = C * c + alpha;
+    assert!(lhs == rhs, "proof of opening verification failed");
+}

packages/hoplite/src/proof_of_prod.rs

@@ -0,0 +1,72 @@
+use crate::{
+    circuit_vals::CVProductProof,
+    commitments::{Commitments, MultiCommitGens},
+    utils::to_fq,
+    Fq,
+};
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{AppendToTranscript, ProofTranscript, Transcript},
+};
+use secpq_curves::Secq256k1;
+
+use crate::circuit_vals::FromCircuitVal;
+
+// https://eprint.iacr.org/2017/1132.pdf
+// P.17 Figure 5
+pub fn verify(
+    proof: &CVProductProof,
+    X: Secq256k1,
+    Y: Secq256k1,
+    Z: Secq256k1,
+    gens_n: &MultiCommitGens,
+    transcript: &mut Transcript,
+) {
+    let alpha = proof.alpha.unwrap();
+    let beta = proof.beta.unwrap();
+    let delta = proof.delta.unwrap();
+    let z: [Fq; 5] = proof
+        .z
+        .iter()
+        .map(|z_i| z_i.unwrap())
+        .collect::<Vec<Fq>>()
+        .try_into()
+        .unwrap();
+
+    transcript.append_protocol_name(b"product proof");
+
+    CompressedGroup::from_circuit_val(&X).append_to_transcript(b"X", transcript);
+    CompressedGroup::from_circuit_val(&Y).append_to_transcript(b"Y", transcript);
+    CompressedGroup::from_circuit_val(&Z).append_to_transcript(b"Z", transcript);
+
+    CompressedGroup::from_circuit_val(&alpha).append_to_transcript(b"alpha", transcript);
+    CompressedGroup::from_circuit_val(&beta).append_to_transcript(b"beta", transcript);
+    CompressedGroup::from_circuit_val(&delta).append_to_transcript(b"delta", transcript);
+
+    let c = to_fq(&transcript.challenge_scalar(b"c"));
+
+    let z1 = z[0];
+    let z2 = z[1];
+    let z3 = z[2];
+    let z4 = z[3];
+    let z5 = z[4];
+
+    // (7)
+    let lhs = alpha + X * c;
+    let rhs = z1.commit(&z2, gens_n);
+    assert!(lhs == rhs, "prod proof verification failed (7)");
+
+    // (8)
+    let lhs = beta + Y * c;
+    let rhs = z3.commit(&z4, gens_n);
+    assert!(lhs == rhs, "prod proof verification failed (8)");
+
+    // (9)
+    let lhs = delta + Z * c;
+    let gens_x = MultiCommitGens {
+        G: vec![X],
+        h: gens_n.h,
+    };
+    let rhs = z3.commit(&z5, &gens_x);
+    assert!(lhs == rhs, "prod proof verification failed (9)");
+}

packages/hoplite/src/sumcheck.rs

@@ -0,0 +1,97 @@
+use crate::{
+    circuit_vals::{CVDotProdProof, CVSumCheckProof, FromCircuitVal},
+    dotprod,
+    utils::to_fq,
+    Fq, MultiCommitGens,
+};
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{AppendToTranscript, ProofTranscript, Transcript},
+};
+use secpq_curves::{group::Curve, Secq256k1};
+
+#[derive(Debug, Clone)]
+pub struct RoundProof {
+    pub dotprod_proof: CVDotProdProof,
+    pub com_eval: Secq256k1,
+}
+
+// This function should be able to verify proofs generated by the above `prove` function
+// and also the proofs generated by the original Spartan implementation
+#[allow(dead_code)]
+pub fn verify(
+    degree_bound: usize,
+    target_com: &Secq256k1,
+    proof: &CVSumCheckProof,
+    gens_1: &MultiCommitGens,
+    gens_n: &MultiCommitGens,
+    transcript: &mut Transcript,
+) -> (Secq256k1, Vec<Fq>) {
+    let mut r = vec![];
+    for (i, round_dotprod_proof) in proof.proofs.iter().enumerate() {
+        let com_poly = &proof.comm_polys[i].unwrap();
+        let com_poly_encoded = CompressedGroup::from_circuit_val(com_poly);
+        com_poly_encoded.append_to_transcript(b"comm_poly", transcript);
+
+        let com_eval = &proof.comm_evals[i].unwrap();
+
+        let r_i = to_fq(&transcript.challenge_scalar(b"challenge_nextround"));
+        r.push(r_i);
+
+        // The sum over (0, 1) is expected to be equal to the challenge evaluation of the prev round
+        let com_round_sum = if i == 0 {
+            *target_com
+        } else {
+            proof.comm_evals[i - 1].unwrap()
+        };
+
+        let com_round_sum_encoded = CompressedGroup::from_circuit_val(&com_round_sum);
+        com_round_sum_encoded.append_to_transcript(b"comm_claim_per_round", transcript);
+
+        CompressedGroup::from_circuit_val(&com_eval.clone())
+            .append_to_transcript(b"comm_eval", transcript);
+
+        let w_scalar = transcript.challenge_vector(b"combine_two_claims_to_one", 2);
+
+        let w = w_scalar.iter().map(|x| to_fq(x)).collect::<Vec<Fq>>();
+
+        let a = {
+            // the vector to use to decommit for sum-check test
+            let a_sc = {
+                let mut a = vec![Fq::one(); degree_bound + 1];
+                a[0] += Fq::one();
+                a
+            };
+
+            // the vector to use to decommit for evaluation
+            let a_eval = {
+                let mut a = vec![Fq::one(); degree_bound + 1];
+                for j in 1..a.len() {
+                    a[j] = a[j - 1] * r_i;
+                }
+                a
+            };
+
+            // take weighted sum of the two vectors using w
+            assert_eq!(a_sc.len(), a_eval.len());
+            (0..a_sc.len())
+                .map(|i| w[0] * a_sc[i] + w[1] * a_eval[i])
+                .collect::<Vec<Fq>>()
+        };
+
+        let tau = com_round_sum * w[0] + com_eval * w[1];
+
+        // Check that the dot product proofs are valid
+        dotprod::verify(
+            &tau,
+            &a,
+            &round_dotprod_proof,
+            &com_poly,
+            &gens_1,
+            &gens_n,
+            transcript,
+        );
+    }
+
+    (proof.comm_evals[proof.comm_evals.len() - 1].unwrap(), r)
+}

packages/hoplite/src/utils.rs

@@ -0,0 +1,49 @@
+use libspartan::math::Math;
+
+use crate::{Fp, Fq};
+
+pub fn hypercube(n: u32) -> Vec<Vec<u8>> {
+    let mut v = vec![];
+    for i in 0..(2u64.pow(n)) {
+        let mut row = vec![];
+        for j in 0..n {
+            row.push(((i >> j) & 1) as u8);
+        }
+        v.push(row);
+    }
+
+    v
+}
+
+pub fn to_fp(x: &libspartan::scalar::Scalar) -> Fp {
+    Fp::from_bytes(&x.to_bytes().into()).unwrap()
+}
+
+pub fn to_fq(x: &libspartan::scalar::Scalar) -> Fq {
+    Fq::from_bytes(&x.to_bytes().into()).unwrap()
+}
+
+fn compute_chi(e: &[Fq], x: &[Fq]) -> Fq {
+    let mut chi = Fq::one();
+    for i in 0..e.len() {
+        chi *= e[i] * x[i] + (Fq::one() - e[i]) * (Fq::one() - x[i]);
+    }
+
+    chi
+}
+
+pub fn eval_ml_poly(z: &[Fq], r: &[Fq]) -> Fq {
+    let mut eval = Fq::zero();
+    // compute chi
+    for i in 0..z.len() {
+        let i_bits: Vec<Fq> = i
+            .get_bits(r.len())
+            .iter()
+            .map(|b| if *b { Fq::one() } else { Fq::zero() })
+            .collect();
+
+        eval += compute_chi(&i_bits, r) * z[i];
+    }
+
+    eval
+}

packages/hoplite_circuit/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "hoplite_circuit"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[features]
+default = ["dev-graph"]
+dev-graph = ["halo2_proofs/dev-graph", "plotters"]
+
+[dependencies]
+halo2_proofs = { git = "https://github.com/privacy-scaling-explorations/halo2", tag = "v2023_01_20" }
+halo2-base = { git = "https://github.com/axiom-crypto/halo2-lib.git", default-features = false, features = ["halo2-pse"] }
+halo2-ecc = { git = "https://github.com/axiom-crypto/halo2-lib.git", default-features = false, features = ["halo2-pse"] }
+num-bigint = { version = "0.4", features = ["rand"] }
+secpq_curves = { git = "https://github.com/DanTehrani/secpq_curves.git" }
+plotters = { version = "0.3.0", optional = true }
+tabbycat = { version = "0.1", features = ["attributes"], optional = true }
+spartan = { git = "https://github.com/DanTehrani/Spartan-secq", branch = "hoplite" }
+secq256k1 = { git = "https://github.com/personaelabs/spartan-ecdsa", branch = "main" }
+hoplite = { path = "../hoplite" }
+rand_core = { version = "0.6", default-features = false, features = ["getrandom"] }
+circuit_reader = { path = "../circuit_reader" }
+bincode = "1.2.1"
+num-traits = "0.2.15"
+
+[dev-dependencies]
+ark-std = { version = "0.3.0", features = ["print-trace"] }

packages/hoplite_circuit/prover/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "node",
+  "version": "1.0.0",
+  "main": "node.bench.ts",
+  "license": "MIT",
+  "scripts": {
+    "prove": "ts-node ./src/prover.ts"
+  },
+  "dependencies": {
+    "@ethereumjs/util": "^8.0.3",
+    "@personaelabs/spartan-ecdsa": "*"
+  },
+  "devDependencies": {
+    "ts-node": "^10.9.1",
+    "typescript": "^4.9.4"
+  }
+}

packages/hoplite_circuit/prover/src/prover.ts

@@ -0,0 +1,84 @@
+import * as fs from "fs";
+import {
+  MembershipProver,
+  Poseidon,
+  Tree,
+  MembershipVerifier
+} from "@personaelabs/spartan-ecdsa";
+import {
+  hashPersonalMessage,
+  ecsign,
+  ecrecover,
+  privateToPublic
+} from "@ethereumjs/util";
+import * as path from "path";
+
+const prove = async () => {
+  const privKey = Buffer.from("".padStart(16, "🧙"), "utf16le");
+  const msg = Buffer.from("harry potter");
+  const msgHash = hashPersonalMessage(msg);
+
+  const { v, r, s } = ecsign(msgHash, privKey);
+  const pubKey = ecrecover(msgHash, v, r, s);
+  const sig = `0x${r.toString("hex")}${s.toString("hex")}${v.toString(16)}`;
+
+  // Init the Poseidon hash
+  const poseidon = new Poseidon();
+  await poseidon.initWasm();
+
+  const treeDepth = 20;
+  const tree = new Tree(treeDepth, poseidon);
+
+  // Get the prover public key hash
+  const proverPubkeyHash = poseidon.hashPubKey(pubKey);
+
+  // Insert prover public key hash into the tree
+  tree.insert(proverPubkeyHash);
+
+  // Insert other members into the tree
+  for (const member of ["🕵️", "🥷", "👩‍🔬"]) {
+    const pubKey = privateToPublic(
+      Buffer.from("".padStart(16, member), "utf16le")
+    );
+    tree.insert(poseidon.hashPubKey(pubKey));
+  }
+
+  // Compute the merkle proof
+  const index = tree.indexOf(proverPubkeyHash);
+  const merkleProof = tree.createProof(index);
+
+  const proverConfig = {
+    circuit: path.join(
+      __dirname,
+      "../../../circuits/build/pubkey_membership/pubkey_membership.circuit"
+    ),
+    witnessGenWasm: path.join(
+      __dirname,
+      "../../../circuits/build/pubkey_membership/pubkey_membership_js/pubkey_membership.wasm"
+    ),
+    enableProfiler: true
+  };
+
+  // Init the prover
+  const prover = new MembershipProver(proverConfig);
+  await prover.initWasm();
+
+  // Prove membership
+  const { proof, publicInput } = await prover.prove(sig, msgHash, merkleProof);
+  fs.writeFileSync("./proof.bin", proof);
+  fs.writeFileSync("./input.bin", publicInput.serialize());
+
+  const verifierConfig = {
+    circuit: proverConfig.circuit,
+    enableProfiler: true
+  };
+
+  // Init verifier
+  const verifier = new MembershipVerifier(verifierConfig);
+  await verifier.initWasm();
+
+  // Verify proof
+  await verifier.verify(proof, publicInput.serialize());
+};
+
+prove();

packages/hoplite_circuit/prover/tsconfig.json

@@ -0,0 +1,21 @@
+{
+  "include": [
+    "./src/**/*",
+  ],
+  "exclude": [
+    "./node_modules",
+      "./build"
+  ],
+  "compilerOptions": {
+    "target": "ES6",                           
+    "module": "CommonJS",                               
+    "rootDir": "./src",                                
+    "moduleResolution": "node",                     
+    "allowJs": true,                                 
+    "outDir": "./build",                
+    "esModuleInterop": true,                            
+    "forceConsistentCasingInFileNames": true,      
+    "strict": true,                                  
+    "skipLibCheck": true         
+  }
+}

packages/hoplite_circuit/prover/yarn.lock

@@ -0,0 +1,515 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@chainsafe/as-sha256@^0.3.1":
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/@chainsafe/as-sha256/-/as-sha256-0.3.1.tgz#3639df0e1435cab03f4d9870cc3ac079e57a6fc9"
+  integrity sha512-hldFFYuf49ed7DAakWVXSJODuq3pzJEguD8tQ7h+sGkM18vja+OFoJI9krnGmgzyuZC2ETX0NOIcCTy31v2Mtg==
+
+"@chainsafe/persistent-merkle-tree@^0.4.2":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@chainsafe/persistent-merkle-tree/-/persistent-merkle-tree-0.4.2.tgz#4c9ee80cc57cd3be7208d98c40014ad38f36f7ff"
+  integrity sha512-lLO3ihKPngXLTus/L7WHKaw9PnNJWizlOF1H9NNzHP6Xvh82vzg9F2bzkXhYIFshMZ2gTCEz8tq6STe7r5NDfQ==
+  dependencies:
+    "@chainsafe/as-sha256" "^0.3.1"
+
+"@chainsafe/ssz@0.9.4":
+  version "0.9.4"
+  resolved "https://registry.yarnpkg.com/@chainsafe/ssz/-/ssz-0.9.4.tgz#696a8db46d6975b600f8309ad3a12f7c0e310497"
+  integrity sha512-77Qtg2N1ayqs4Bg/wvnWfg5Bta7iy7IRh8XqXh7oNMeP2HBbBwx8m6yTpA8p0EHItWPEBkgZd5S5/LSlp3GXuQ==
+  dependencies:
+    "@chainsafe/as-sha256" "^0.3.1"
+    "@chainsafe/persistent-merkle-tree" "^0.4.2"
+    case "^1.6.3"
+
+"@cspotcode/source-map-support@^0.8.0":
+  version "0.8.1"
+  resolved "https://registry.yarnpkg.com/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz#00629c35a688e05a88b1cda684fb9d5e73f000a1"
+  integrity sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==
+  dependencies:
+    "@jridgewell/trace-mapping" "0.3.9"
+
+"@ethereumjs/rlp@^4.0.1":
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/rlp/-/rlp-4.0.1.tgz#626fabfd9081baab3d0a3074b0c7ecaf674aaa41"
+  integrity sha512-tqsQiBQDQdmPWE1xkkBq4rlSW5QZpLOUJ5RJh2/9fug+q9tnUhuZoVLk7s0scUIKTOzEtR72DFBXI4WiZcMpvw==
+
+"@ethereumjs/util@^8.0.3":
+  version "8.0.5"
+  resolved "https://registry.yarnpkg.com/@ethereumjs/util/-/util-8.0.5.tgz#b9088fc687cc13f0c1243d6133d145dfcf3fe446"
+  integrity sha512-259rXKK3b3D8HRVdRmlOEi6QFvwxdt304hhrEAmpZhsj7ufXEOTIc9JRZPMnXatKjECokdLNBcDOFBeBSzAIaw==
+  dependencies:
+    "@chainsafe/ssz" "0.9.4"
+    "@ethereumjs/rlp" "^4.0.1"
+    ethereum-cryptography "^1.1.2"
+
+"@iden3/bigarray@0.0.2":
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/@iden3/bigarray/-/bigarray-0.0.2.tgz#6fc4ba5be18daf8a26ee393f2fb62b80d98c05e9"
+  integrity sha512-Xzdyxqm1bOFF6pdIsiHLLl3HkSLjbhqJHVyqaTxXt3RqXBEnmsUmEW47H7VOi/ak7TdkRpNkxjyK5Zbkm+y52g==
+
+"@iden3/binfileutils@0.0.11":
+  version "0.0.11"
+  resolved "https://registry.yarnpkg.com/@iden3/binfileutils/-/binfileutils-0.0.11.tgz#9ffbbcc1279f2b2182bb6dcff4eee8a5b2167911"
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+  dependencies:
+    fastfile "0.0.20"
+    ffjavascript "^0.2.48"
+
+"@jridgewell/resolve-uri@^3.0.3":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@jridgewell/resolve-uri/-/resolve-uri-3.1.0.tgz#2203b118c157721addfe69d47b70465463066d78"
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+
+"@jridgewell/sourcemap-codec@^1.4.10":
+  version "1.4.14"
+  resolved "https://registry.yarnpkg.com/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.14.tgz#add4c98d341472a289190b424efbdb096991bb24"
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+
+"@jridgewell/trace-mapping@0.3.9":
+  version "0.3.9"
+  resolved "https://registry.yarnpkg.com/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz#6534fd5933a53ba7cbf3a17615e273a0d1273ff9"
+  integrity sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==
+  dependencies:
+    "@jridgewell/resolve-uri" "^3.0.3"
+    "@jridgewell/sourcemap-codec" "^1.4.10"
+
+"@noble/hashes@1.2.0", "@noble/hashes@~1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.2.0.tgz#a3150eeb09cc7ab207ebf6d7b9ad311a9bdbed12"
+  integrity sha512-FZfhjEDbT5GRswV3C6uvLPHMiVD6lQBmpoX5+eSiPaMTXte/IKqI5dykDxzZB/WBeK/CDuQRBWarPdi3FNY2zQ==
+
+"@noble/secp256k1@1.7.1", "@noble/secp256k1@~1.7.0":
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/@noble/secp256k1/-/secp256k1-1.7.1.tgz#b251c70f824ce3ca7f8dc3df08d58f005cc0507c"
+  integrity sha512-hOUk6AyBFmqVrv7k5WAw/LpszxVbj9gGN4JRkIX52fdFAj1UA61KXmZDvqVEm+pOyec3+fIeZB02LYa/pWOArw==
+
+"@personaelabs/spartan-ecdsa@*":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@personaelabs/spartan-ecdsa/-/spartan-ecdsa-1.0.2.tgz#22a858e1d7d5729a7198873557d3845ebd2af4f2"
+  integrity sha512-Wi5NykpV2slwDOSqy4DQ2Q1RicPR4U1W1S0MRZ8XMSYhND10GKIsWVcRqIB5VDh+ijbu1FfRcE8eT8Ov6TR+DA==
+  dependencies:
+    "@ethereumjs/util" "^8.0.3"
+    "@zk-kit/incremental-merkle-tree" "^1.0.0"
+    elliptic "^6.5.4"
+    snarkjs "^0.5.0"
+
+"@scure/base@~1.1.0":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@scure/base/-/base-1.1.1.tgz#ebb651ee52ff84f420097055f4bf46cfba403938"
+  integrity sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA==
+
+"@scure/bip32@1.1.5":
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/@scure/bip32/-/bip32-1.1.5.tgz#d2ccae16dcc2e75bc1d75f5ef3c66a338d1ba300"
+  integrity sha512-XyNh1rB0SkEqd3tXcXMi+Xe1fvg+kUIcoRIEujP1Jgv7DqW2r9lg3Ah0NkFaCs9sTkQAQA8kw7xiRXzENi9Rtw==
+  dependencies:
+    "@noble/hashes" "~1.2.0"
+    "@noble/secp256k1" "~1.7.0"
+    "@scure/base" "~1.1.0"
+
+"@scure/bip39@1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@scure/bip39/-/bip39-1.1.1.tgz#b54557b2e86214319405db819c4b6a370cf340c5"
+  integrity sha512-t+wDck2rVkh65Hmv280fYdVdY25J9YeEUIgn2LG1WM6gxFkGzcksoDiUkWVpVp3Oex9xGC68JU2dSbUfwZ2jPg==
+  dependencies:
+    "@noble/hashes" "~1.2.0"
+    "@scure/base" "~1.1.0"
+
+"@tsconfig/node10@^1.0.7":
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node10/-/node10-1.0.9.tgz#df4907fc07a886922637b15e02d4cebc4c0021b2"
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+
+"@tsconfig/node12@^1.0.7":
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node12/-/node12-1.0.11.tgz#ee3def1f27d9ed66dac6e46a295cffb0152e058d"
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+
+"@tsconfig/node14@^1.0.0":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node14/-/node14-1.0.3.tgz#e4386316284f00b98435bf40f72f75a09dabf6c1"
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+
+"@tsconfig/node16@^1.0.2":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@tsconfig/node16/-/node16-1.0.3.tgz#472eaab5f15c1ffdd7f8628bd4c4f753995ec79e"
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+
+"@zk-kit/incremental-merkle-tree@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@zk-kit/incremental-merkle-tree/-/incremental-merkle-tree-1.0.0.tgz#5a9ec2a2ebcb00972035b175c58906651ef6aa39"
+  integrity sha512-2iRLZfHnZ6wKE+oZN2CnpkKYCE5f5dpv6YRIwLDCz0xwJZrIMQ81AamFBdxPesQSYMMP0GkC0iv1rm6gxAL2Ow==
+
+acorn-walk@^8.1.1:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-8.2.0.tgz#741210f2e2426454508853a2f44d0ab83b7f69c1"
+  integrity sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==
+
+acorn@^8.4.1:
+  version "8.8.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.8.2.tgz#1b2f25db02af965399b9776b0c2c391276d37c4a"
+  integrity sha512-xjIYgE8HBrkpd/sJqOGNspf8uHG+NOHGOw6a/Urj8taM2EXfdNAH2oFcPeIFfsv3+kz/mJrS5VuMqbNLjCa2vw==
+
+ansi-styles@^4.1.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  integrity sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==
+  dependencies:
+    color-convert "^2.0.1"
+
+arg@^4.1.0:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
+  integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
+
+async@^3.2.3:
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.4.tgz#2d22e00f8cddeb5fde5dd33522b56d1cf569a81c"
+  integrity sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==
+
+b4a@^1.0.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/b4a/-/b4a-1.6.1.tgz#9effac93a469a868d024e16fd77162c653544cbd"
+  integrity sha512-AsKjNhz72yxteo/0EtQEiwkMUgk/tGmycXlbG4g3Ard2/ULtNLUykGOkeK0egmN27h0xMAhb76jYccW+XTBExA==
+
+balanced-match@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
+  integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
+
+bfj@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/bfj/-/bfj-7.0.2.tgz#1988ce76f3add9ac2913fd8ba47aad9e651bfbb2"
+  integrity sha512-+e/UqUzwmzJamNF50tBV6tZPTORow7gQ96iFow+8b562OdMpEK0BcJEq2OSPEDmAbSMBQ7PKZ87ubFkgxpYWgw==
+  dependencies:
+    bluebird "^3.5.5"
+    check-types "^11.1.1"
+    hoopy "^0.1.4"
+    tryer "^1.0.1"
+
+blake2b-wasm@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/blake2b-wasm/-/blake2b-wasm-2.4.0.tgz#9115649111edbbd87eb24ce7c04b427e4e2be5be"
+  integrity sha512-S1kwmW2ZhZFFFOghcx73+ZajEfKBqhP82JMssxtLVMxlaPea1p9uoLiUZ5WYyHn0KddwbLc+0vh4wR0KBNoT5w==
+  dependencies:
+    b4a "^1.0.1"
+    nanoassert "^2.0.0"
+
+bluebird@^3.5.5:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
+  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
+
+bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+brace-expansion@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.0.1.tgz#1edc459e0f0c548486ecf9fc99f2221364b9a0ae"
+  integrity sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==
+  dependencies:
+    balanced-match "^1.0.0"
+
+brorand@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+  integrity sha512-cKV8tMCEpQs4hK/ik71d6LrPOnpkpGBR0wzxqr68g2m/LB2GxVYQroAjMJZRVM1Y4BCjCKc3vAamxSzOY2RP+w==
+
+case@^1.6.3:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/case/-/case-1.6.3.tgz#0a4386e3e9825351ca2e6216c60467ff5f1ea1c9"
+  integrity sha512-mzDSXIPaFwVDvZAHqZ9VlbyF4yyXRuX6IvB06WvPYkqJVO24kX1PPhv9bfpKNFZyxYFmmgo03HUiD8iklmJYRQ==
+
+chalk@^4.0.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.2.tgz#aac4e2b7734a740867aeb16bf02aad556a1e7a01"
+  integrity sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
+check-types@^11.1.1:
+  version "11.2.2"
+  resolved "https://registry.yarnpkg.com/check-types/-/check-types-11.2.2.tgz#7afc0b6a860d686885062f2dba888ba5710335b4"
+  integrity sha512-HBiYvXvn9Z70Z88XKjz3AEKd4HJhBXsa3j7xFnITAzoS8+q6eIGi8qDB8FKPBAjtuxjI/zFpwuiCb8oDtKOYrA==
+
+circom_runtime@0.1.21:
+  version "0.1.21"
+  resolved "https://registry.yarnpkg.com/circom_runtime/-/circom_runtime-0.1.21.tgz#0ee93bb798b5afb8ecec30725ed14d94587a999b"
+  integrity sha512-qTkud630B/GK8y76hnOaaS1aNuF6prfV0dTrkeRsiJKnlP1ryQbP2FWLgDOPqn6aKyaPlam+Z+DTbBhkEzh8dA==
+  dependencies:
+    ffjavascript "0.2.56"
+
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==
+
+create-require@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/create-require/-/create-require-1.1.1.tgz#c1d7e8f1e5f6cfc9ff65f9cd352d37348756c333"
+  integrity sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==
+
+diff@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+
+ejs@^3.1.6:
+  version "3.1.8"
+  resolved "https://registry.yarnpkg.com/ejs/-/ejs-3.1.8.tgz#758d32910c78047585c7ef1f92f9ee041c1c190b"
+  integrity sha512-/sXZeMlhS0ArkfX2Aw780gJzXSMPnKjtspYZv+f3NiKLlubezAHDU5+9xz6gd3/NhG3txQCo6xlglmTS+oTGEQ==
+  dependencies:
+    jake "^10.8.5"
+
+elliptic@^6.5.4:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
+  dependencies:
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
+
+ethereum-cryptography@^1.1.2:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/ethereum-cryptography/-/ethereum-cryptography-1.2.0.tgz#5ccfa183e85fdaf9f9b299a79430c044268c9b3a"
+  integrity sha512-6yFQC9b5ug6/17CQpCyE3k9eKBMdhyVjzUy1WkiuY/E4vj/SXDBbCw8QEIaXqf0Mf2SnY6RmpDcwlUmBSS0EJw==
+  dependencies:
+    "@noble/hashes" "1.2.0"
+    "@noble/secp256k1" "1.7.1"
+    "@scure/bip32" "1.1.5"
+    "@scure/bip39" "1.1.1"
+
+fastfile@0.0.20:
+  version "0.0.20"
+  resolved "https://registry.yarnpkg.com/fastfile/-/fastfile-0.0.20.tgz#794a143d58cfda2e24c298e5ef619c748c8a1879"
+  integrity sha512-r5ZDbgImvVWCP0lA/cGNgQcZqR+aYdFx3u+CtJqUE510pBUVGMn4ulL/iRTI4tACTYsNJ736uzFxEBXesPAktA==
+
+ffjavascript@0.2.56:
+  version "0.2.56"
+  resolved "https://registry.yarnpkg.com/ffjavascript/-/ffjavascript-0.2.56.tgz#3509f98fcbd3e44ea93cd23519071b76d6eae433"
+  integrity sha512-em6G5Lrj7ucIqj4TYEgyoHs/j99Urwwqa4+YxEVY2hggnpRimVj+noX5pZQTxI1pvtiekZI4rG65JBf0xraXrg==
+  dependencies:
+    wasmbuilder "0.0.16"
+    wasmcurves "0.2.0"
+    web-worker "^1.2.0"
+
+ffjavascript@^0.2.48:
+  version "0.2.57"
+  resolved "https://registry.yarnpkg.com/ffjavascript/-/ffjavascript-0.2.57.tgz#ba1be96015b2688192e49f2f4de2cc5150fd8594"
+  integrity sha512-V+vxZ/zPNcthrWmqfe/1YGgqdkTamJeXiED0tsk7B84g40DKlrTdx47IqZuiygqAVG6zMw4qYuvXftIJWsmfKQ==
+  dependencies:
+    wasmbuilder "0.0.16"
+    wasmcurves "0.2.0"
+    web-worker "^1.2.0"
+
+filelist@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/filelist/-/filelist-1.0.4.tgz#f78978a1e944775ff9e62e744424f215e58352b5"
+  integrity sha512-w1cEuf3S+DrLCQL7ET6kz+gmlJdbq9J7yXCSjK/OZCPA+qEN1WyF4ZAf0YYJa4/shHJra2t/d/r8SV4Ji+x+8Q==
+  dependencies:
+    minimatch "^5.0.1"
+
+has-flag@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
+  integrity sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==
+
+hash.js@^1.0.0, hash.js@^1.0.3:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.7.tgz#0babca538e8d4ee4a0f8988d68866537a003cf42"
+  integrity sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.1"
+
+hmac-drbg@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  integrity sha512-Tti3gMqLdZfhOQY1Mzf/AanLiqh1WTiJgEj26ZuYQ9fbkLomzGchCws4FyrSd4VkpBfiNhaE1On+lOz894jvXg==
+  dependencies:
+    hash.js "^1.0.3"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.1"
+
+hoopy@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/hoopy/-/hoopy-0.1.4.tgz#609207d661100033a9a9402ad3dea677381c1b1d"
+  integrity sha512-HRcs+2mr52W0K+x8RzcLzuPPmVIKMSv97RGHy0Ea9y/mpcaK+xTrjICA04KAHi4GRzxliNqNJEFYWHghy3rSfQ==
+
+inherits@^2.0.3, inherits@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+jake@^10.8.5:
+  version "10.8.5"
+  resolved "https://registry.yarnpkg.com/jake/-/jake-10.8.5.tgz#f2183d2c59382cb274226034543b9c03b8164c46"
+  integrity sha512-sVpxYeuAhWt0OTWITwT98oyV0GsXyMlXCF+3L1SuafBVUIr/uILGRB+NqwkzhgXKvoJpDIpQvqkUALgdmQsQxw==
+  dependencies:
+    async "^3.2.3"
+    chalk "^4.0.2"
+    filelist "^1.0.1"
+    minimatch "^3.0.4"
+
+js-sha3@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
+
+logplease@^1.2.15:
+  version "1.2.15"
+  resolved "https://registry.yarnpkg.com/logplease/-/logplease-1.2.15.tgz#3da442e93751a5992cc19010a826b08d0293c48a"
+  integrity sha512-jLlHnlsPSJjpwUfcNyUxXCl33AYg2cHhIf9QhGL2T4iPT0XPB+xP1LRKFPgIg1M/sg9kAJvy94w9CzBNrfnstA==
+
+make-error@^1.1.1:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
+  integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
+
+minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
+  integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
+
+minimalistic-crypto-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+  integrity sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg==
+
+minimatch@^3.0.4:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.1.2.tgz#19cd194bfd3e428f049a70817c038d89ab4be35b"
+  integrity sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimatch@^5.0.1:
+  version "5.1.6"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-5.1.6.tgz#1cfcb8cf5522ea69952cd2af95ae09477f122a96"
+  integrity sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==
+  dependencies:
+    brace-expansion "^2.0.1"
+
+nanoassert@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/nanoassert/-/nanoassert-2.0.0.tgz#a05f86de6c7a51618038a620f88878ed1e490c09"
+  integrity sha512-7vO7n28+aYO4J+8w96AzhmU8G+Y/xpPDJz/se19ICsqj/momRbb9mh9ZUtkoJ5X3nTnPdhEJyc0qnM6yAsHBaA==
+
+r1csfile@0.0.41:
+  version "0.0.41"
+  resolved "https://registry.yarnpkg.com/r1csfile/-/r1csfile-0.0.41.tgz#e3d2709d36923156dd1fc2db9858987b30c92948"
+  integrity sha512-Q1WDF3u1vYeAwjHo4YuddkA8Aq0TulbKjmGm99+Atn13Lf5fTsMZBnBV9T741w8iSyPFG6Uh6sapQby77sREqA==
+  dependencies:
+    "@iden3/bigarray" "0.0.2"
+    "@iden3/binfileutils" "0.0.11"
+    fastfile "0.0.20"
+    ffjavascript "0.2.56"
+
+snarkjs@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/snarkjs/-/snarkjs-0.5.0.tgz#cf26bf1d3835eb16b4b330a438bad9824837d6b0"
+  integrity sha512-KWz8mZ2Y+6wvn6GGkQo6/ZlKwETdAGohd40Lzpwp5TUZCn6N6O4Az1SuX1rw/qREGL6Im+ycb19suCFE8/xaKA==
+  dependencies:
+    "@iden3/binfileutils" "0.0.11"
+    bfj "^7.0.2"
+    blake2b-wasm "^2.4.0"
+    circom_runtime "0.1.21"
+    ejs "^3.1.6"
+    fastfile "0.0.20"
+    ffjavascript "0.2.56"
+    js-sha3 "^0.8.0"
+    logplease "^1.2.15"
+    r1csfile "0.0.41"
+
+supports-color@^7.1.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
+  integrity sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==
+  dependencies:
+    has-flag "^4.0.0"
+
+tryer@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/tryer/-/tryer-1.0.1.tgz#f2c85406800b9b0f74c9f7465b81eaad241252f8"
+  integrity sha512-c3zayb8/kWWpycWYg87P71E1S1ZL6b6IJxfb5fvsUgsf0S2MVGaDhDXXjDMpdCpfWXqptc+4mXwmiy1ypXqRAA==
+
+ts-node@^10.9.1:
+  version "10.9.1"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-10.9.1.tgz#e73de9102958af9e1f0b168a6ff320e25adcff4b"
+  integrity sha512-NtVysVPkxxrwFGUUxGYhfux8k78pQB3JqYBXlLRZgdGUqTO5wU/UyHop5p70iEbGhB7q5KmiZiU0Y3KlJrScEw==
+  dependencies:
+    "@cspotcode/source-map-support" "^0.8.0"
+    "@tsconfig/node10" "^1.0.7"
+    "@tsconfig/node12" "^1.0.7"
+    "@tsconfig/node14" "^1.0.0"
+    "@tsconfig/node16" "^1.0.2"
+    acorn "^8.4.1"
+    acorn-walk "^8.1.1"
+    arg "^4.1.0"
+    create-require "^1.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    v8-compile-cache-lib "^3.0.1"
+    yn "3.1.1"
+
+typescript@^4.9.4:
+  version "4.9.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
+  integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
+
+v8-compile-cache-lib@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz#6336e8d71965cb3d35a1bbb7868445a7c05264bf"
+  integrity sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==
+
+wasmbuilder@0.0.16:
+  version "0.0.16"
+  resolved "https://registry.yarnpkg.com/wasmbuilder/-/wasmbuilder-0.0.16.tgz#f34c1f2c047d2f6e1065cbfec5603988f16d8549"
+  integrity sha512-Qx3lEFqaVvp1cEYW7Bfi+ebRJrOiwz2Ieu7ZG2l7YyeSJIok/reEQCQCuicj/Y32ITIJuGIM9xZQppGx5LrQdA==
+
+wasmcurves@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/wasmcurves/-/wasmcurves-0.2.0.tgz#ccfc5a7d3778b6e0768b82a9336c80054f9bc0cf"
+  integrity sha512-3e2rbxdujOwaod657gxgmdhZNn+i1qKdHO3Y/bK+8E7bV8ttV/fu5FO4/WLBACF375cK0QDLOP+65Na63qYuWA==
+  dependencies:
+    wasmbuilder "0.0.16"
+
+web-worker@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/web-worker/-/web-worker-1.2.0.tgz#5d85a04a7fbc1e7db58f66595d7a3ac7c9c180da"
+  integrity sha512-PgF341avzqyx60neE9DD+XS26MMNMoUQRz9NOZwW32nPQrF6p77f1htcnjBSEV8BGMKZ16choqUG4hyI0Hx7mA==
+
+yn@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
+  integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==

packages/hoplite_circuit/src/chips/dotprod.rs

@@ -0,0 +1,185 @@
+use crate::{
+    chips::pedersen_commit::PedersenCommitChip,
+    transcript::HopliteTranscript,
+    {FpChip, Fq, FqChip},
+};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::bigint::CRTInteger;
+use halo2_ecc::ecc::{EcPoint, EccChip};
+use halo2_ecc::fields::FieldChip;
+use halo2_proofs::circuit::Value;
+use hoplite::{
+    circuit_vals::{CVDotProdProof, ToCircuitVal},
+    commitments::MultiCommitGens,
+};
+use libspartan::transcript::{ProofTranscript, Transcript};
+
+use super::{
+    secq256k1::Secq256k1Chip,
+    utils::{Assign, AssignArray},
+};
+
+#[derive(Clone, Debug)]
+pub struct AssignedZKDotProdProof<'v, const DIMENSION: usize, F: PrimeField> {
+    pub delta: EcPoint<F, CRTInteger<'v, F>>,
+    pub beta: EcPoint<F, CRTInteger<'v, F>>,
+    pub z: [CRTInteger<'v, F>; DIMENSION],
+    pub z_delta: CRTInteger<'v, F>,
+    pub z_beta: CRTInteger<'v, F>,
+}
+
+impl<'v, const DIMENSION: usize, F: PrimeField>
+    Assign<'v, F, AssignedZKDotProdProof<'v, DIMENSION, F>> for CVDotProdProof<DIMENSION>
+{
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedZKDotProdProof<'v, DIMENSION, F> {
+        let beta = self.beta.assign(ctx, secq_chip);
+        let delta = self.delta.assign(ctx, secq_chip);
+
+        let z: [CRTInteger<'v, F>; DIMENSION] = self
+            .z
+            .iter()
+            .map(|z_i| z_i.assign(ctx, secq_chip))
+            .collect::<Vec<CRTInteger<'v, F>>>()
+            .try_into()
+            .unwrap();
+
+        let z_beta = self.z_beta.assign(ctx, secq_chip);
+        let z_delta = self.z_delta.assign(ctx, secq_chip);
+
+        AssignedZKDotProdProof {
+            beta,
+            delta,
+            z,
+            z_beta,
+            z_delta,
+        }
+    }
+}
+
+#[derive(Clone)]
+pub struct ZKDotProdChip<const DIMENSION: usize, F: PrimeField> {
+    pub ecc_chip: EccChip<F, FpChip<F>>,
+    pub fq_chip: FqChip<F>,
+    pub pedersen_chip: PedersenCommitChip<F>,
+    window_bits: usize,
+}
+
+impl<const DIMENSION: usize, F: PrimeField> ZKDotProdChip<DIMENSION, F> {
+    pub fn construct(
+        ecc_chip: EccChip<F, FpChip<F>>,
+        fq_chip: FqChip<F>,
+        pedersen_chip: PedersenCommitChip<F>,
+    ) -> Self {
+        Self {
+            ecc_chip,
+            fq_chip,
+            pedersen_chip,
+            window_bits: 4,
+        }
+    }
+
+    fn dot_prod<'v>(
+        &self,
+        ctx: &mut Context<'v, F>,
+        a: &[CRTInteger<'v, F>],
+        b: &[CRTInteger<'v, F>],
+    ) -> CRTInteger<'v, F> {
+        let mut sum = self
+            .fq_chip
+            .load_private(ctx, FqChip::<F>::fe_to_witness(&Value::known(Fq::zero())));
+
+        // Implement this
+        for i in 0..a.len() {
+            let prod_no_carry = self.fq_chip.mul_no_carry(ctx, &a[i], &b[i]);
+            let sum_no_carry = self.fq_chip.add_no_carry(ctx, &sum, &prod_no_carry);
+            sum = self.fq_chip.carry_mod(ctx, &sum_no_carry);
+        }
+
+        sum
+    }
+
+    pub fn verify<'v>(
+        &self,
+        ctx: &mut Context<'v, F>,
+        tau: &EcPoint<F, CRTInteger<'v, F>>,
+        a: [CRTInteger<'v, F>; DIMENSION],
+        com_poly: &EcPoint<F, CRTInteger<'v, F>>,
+        proof: &AssignedZKDotProdProof<'v, DIMENSION, F>,
+        gens_1: &MultiCommitGens,
+        gens_n: &MultiCommitGens,
+        transcript: &mut Transcript,
+    ) {
+        transcript.append_protocol_name(b"dot product proof");
+
+        transcript.append_circuit_point(b"Cx", com_poly.clone());
+        transcript.append_circuit_point(b"Cy", tau.clone());
+
+        transcript.append_message(b"a", b"begin_append_vector");
+        // TODO: Implement this in a trait
+        for a_i_val in &a {
+            let mut a_i = [0u8; 32];
+            a_i_val.clone().value.and_then(|val| {
+                let mut a_i_bytes = val.to_bytes_be().1;
+                a_i_bytes.resize(32, 0);
+                a_i_bytes.reverse();
+                a_i = a_i_bytes.try_into().unwrap();
+                Value::known(val)
+            });
+            transcript.append_message(b"a", &a_i);
+        }
+        transcript.append_message(b"a", b"end_append_vector");
+
+        transcript.append_circuit_point(b"delta", (&proof.delta).clone());
+        transcript.append_circuit_point(b"beta", (&proof.beta).clone());
+
+        let max_bits = self.fq_chip.limb_bits;
+
+        let c = transcript.challenge_scalar(b"c");
+        let c = self.fq_chip.load_private(
+            ctx,
+            FqChip::<F>::fe_to_witness(&Value::known(c.to_circuit_val())),
+        );
+
+        // (13)
+        let epsilon_c = self.ecc_chip.scalar_mult(
+            ctx,
+            &com_poly,
+            &c.truncation.limbs,
+            max_bits,
+            self.window_bits,
+        );
+
+        // (epsilon * c) + delta
+        let lhs = self
+            .ecc_chip
+            .add_unequal(ctx, &epsilon_c, &proof.delta, true);
+
+        // com(z, z_delta)
+        let rhs = self
+            .pedersen_chip
+            .multi_commit(ctx, &proof.z, &proof.z_delta, &gens_n);
+
+        self.ecc_chip.assert_equal(ctx, &lhs, &rhs);
+
+        // (14)
+        let tau_c = self
+            .ecc_chip
+            .scalar_mult(ctx, &tau, &c.truncation.limbs, max_bits, 4);
+
+        // (tau * c) + beta
+        let lhs = self.ecc_chip.add_unequal(ctx, &tau_c, &proof.beta, true);
+
+        let a_dot_z = self.dot_prod(ctx, &a, &proof.z);
+
+        // com((a ・ z), z_beta)
+        let rhs = self
+            .pedersen_chip
+            .commit(ctx, &a_dot_z, &proof.z_beta, &gens_1);
+
+        self.ecc_chip.assert_equal(ctx, &lhs, &rhs);
+    }
+}

packages/hoplite_circuit/src/chips/eval_poly.rs

@@ -0,0 +1,31 @@
+use crate::FpChip;
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::{bigint::CRTInteger, fields::FieldChip};
+use num_bigint::BigUint;
+use num_traits::Zero;
+
+pub struct EvalMLPolyChip<F: PrimeField, const N_VARS: usize> {
+    pub fp_chip: FpChip<F>,
+}
+
+impl<'v, F: PrimeField, const N_VARS: usize> EvalMLPolyChip<F, N_VARS> {
+    pub fn construct(fp_chip: FpChip<F>) -> Self {
+        Self { fp_chip }
+    }
+
+    pub fn eval(
+        &self,
+        ctx: &mut Context<'v, F>,
+        coeffs: &[CRTInteger<'v, F>; N_VARS],
+        vals: &[CRTInteger<'v, F>; N_VARS],
+    ) -> CRTInteger<'v, F> {
+        let mut acc = self.fp_chip.load_constant(ctx, BigUint::zero());
+        for (coeff, val) in coeffs.iter().zip(vals.iter()) {
+            let term = self.fp_chip.mul(ctx, coeff, val);
+            acc = self.fp_chip.add_no_carry(ctx, &term, &acc);
+
+            self.fp_chip.carry_mod(ctx, &acc);
+        }
+        acc
+    }
+}

packages/hoplite_circuit/src/chips/mod.rs

@@ -0,0 +1,12 @@
+pub mod dotprod;
+pub mod eval_poly;
+pub mod pedersen_commit;
+pub mod poly_eval_proof;
+pub mod proof_bullet_reduce;
+pub mod proof_log_of_dotprod;
+pub mod proof_of_eq;
+pub mod proof_of_opening;
+pub mod proof_of_prod;
+pub mod secq256k1;
+pub mod sumcheck;
+pub mod utils;

packages/hoplite_circuit/src/chips/pedersen_commit.rs

@@ -0,0 +1,97 @@
+use crate::FpChip;
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::bigint::CRTInteger;
+use halo2_ecc::ecc::{fixed_base, EcPoint, EccChip};
+use hoplite::commitments::MultiCommitGens;
+use secpq_curves::group::Curve;
+
+#[derive(Clone)]
+pub struct PedersenCommitChip<F: PrimeField> {
+    pub ecc_chip: EccChip<F, FpChip<F>>,
+    pub fp_chip: FpChip<F>,
+    window_bits: usize,
+}
+
+impl<F: PrimeField> PedersenCommitChip<F> {
+    pub fn construct(ecc_chip: EccChip<F, FpChip<F>>, fp_chip: FpChip<F>) -> Self {
+        Self {
+            ecc_chip,
+            fp_chip,
+            window_bits: 4,
+        }
+    }
+
+    pub fn commit<'v>(
+        &self,
+        ctx: &mut Context<'v, F>,
+        x: &CRTInteger<'v, F>,
+        blinder: &CRTInteger<'v, F>,
+        gens: &MultiCommitGens,
+    ) -> EcPoint<F, CRTInteger<'v, F>> {
+        let max_bits = self.fp_chip.limb_bits;
+        let gx = fixed_base::scalar_multiply(
+            &self.fp_chip,
+            ctx,
+            &gens.G[0].to_affine(),
+            &x.truncation.limbs,
+            max_bits,
+            self.window_bits,
+        );
+
+        let hb = fixed_base::scalar_multiply(
+            &self.fp_chip,
+            ctx,
+            &gens.h.to_affine(),
+            &blinder.truncation.limbs,
+            max_bits,
+            self.window_bits,
+        );
+
+        let com = self.ecc_chip.add_unequal(ctx, &gx, &hb, true);
+        com
+    }
+
+    pub fn multi_commit<'v>(
+        &self,
+        ctx: &mut Context<'v, F>,
+        x: &[CRTInteger<'v, F>],
+        blinder: &CRTInteger<'v, F>,
+        gens: &MultiCommitGens,
+    ) -> EcPoint<F, CRTInteger<'v, F>> {
+        let max_bits = self.fp_chip.limb_bits;
+
+        let mut g_sum = fixed_base::scalar_multiply(
+            &self.fp_chip,
+            ctx,
+            &gens.G[0].to_affine(),
+            &x[0].truncation.limbs,
+            max_bits,
+            self.window_bits,
+        );
+
+        for (i, x_i) in x[1..].iter().enumerate() {
+            let g = fixed_base::scalar_multiply(
+                &self.fp_chip,
+                ctx,
+                &gens.G[i + 1].to_affine(),
+                &x_i.truncation.limbs,
+                max_bits,
+                self.window_bits,
+            );
+
+            g_sum = self.ecc_chip.add_unequal(ctx, &g_sum, &g, true);
+        }
+
+        let hb = fixed_base::scalar_multiply(
+            &self.fp_chip,
+            ctx,
+            &gens.h.to_affine(),
+            &blinder.truncation.limbs,
+            max_bits,
+            self.window_bits,
+        );
+
+        let com = self.ecc_chip.add_unequal(ctx, &g_sum, &hb, true);
+        com
+    }
+}

packages/hoplite_circuit/src/chips/poly_eval_proof.rs

@@ -0,0 +1,140 @@
+use super::{
+    proof_log_of_dotprod::{AssignedDotProductProofLog, ProofLogOfDotProdChip},
+    utils::{Assign, AssignArray},
+};
+use crate::chips::{proof_bullet_reduce::AssignedBulletReductionProof, secq256k1::Secq256k1Chip};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::bigint::CRTInteger;
+use halo2_ecc::ecc::EcPoint;
+use hoplite::{circuit_vals::CVPolyEvalProof, commitments::MultiCommitGens};
+use libspartan::transcript::{ProofTranscript, Transcript};
+use secpq_curves::{
+    group::{Curve, Group},
+    Secq256k1,
+};
+
+pub trait AssignN<'v, F: PrimeField, const N: usize> {
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedPolyEvalProof<'v, F, N>;
+}
+
+pub struct AssignedPolyEvalProof<'v, F: PrimeField, const N: usize> {
+    pub proof: AssignedDotProductProofLog<'v, F, N>,
+}
+
+impl<'v, F: PrimeField, const N: usize> AssignN<'v, F, N> for CVPolyEvalProof<N> {
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedPolyEvalProof<'v, F, N> {
+        let z1 = self.proof.z1.assign(ctx, secq_chip);
+        let z2 = self.proof.z2.assign(ctx, secq_chip);
+        let beta = self.proof.beta.assign(ctx, secq_chip);
+        let delta = self.proof.delta.assign(ctx, secq_chip);
+
+        let L_vec = self
+            .proof
+            .bullet_reduction_proof
+            .L_vec
+            .assign(ctx, secq_chip);
+
+        let R_vec = self
+            .proof
+            .bullet_reduction_proof
+            .R_vec
+            .assign(ctx, secq_chip);
+
+        let bullet_reduction_proof = AssignedBulletReductionProof { L_vec, R_vec };
+
+        let proof = AssignedDotProductProofLog {
+            bullet_reduction_proof,
+            delta,
+            beta,
+            z1,
+            z2,
+        };
+
+        AssignedPolyEvalProof { proof }
+    }
+}
+
+pub struct PolyEvalProofChip<F: PrimeField, const N: usize, const N_HALF: usize> {
+    pub secq_chip: Secq256k1Chip<F>,
+    pub proof_log_dotprod_chip: ProofLogOfDotProdChip<F, N, N_HALF>,
+    pub window_bits: usize,
+}
+
+impl<'v, F: PrimeField, const N: usize, const N_HALF: usize> PolyEvalProofChip<F, N, N_HALF> {
+    pub fn construct(
+        secq_chip: Secq256k1Chip<F>,
+        proof_log_dotprod_chip: ProofLogOfDotProdChip<F, N, N_HALF>,
+        window_bits: usize,
+    ) -> Self {
+        Self {
+            secq_chip,
+            proof_log_dotprod_chip,
+            window_bits,
+        }
+    }
+
+    pub fn verify(
+        &self,
+        ctx: &mut Context<'v, F>,
+        r: &[CRTInteger<'v, F>; N],
+        C_Zr: &EcPoint<F, CRTInteger<'v, F>>,
+        comm_polys: &[EcPoint<F, CRTInteger<'v, F>>; N],
+        proof: AssignedPolyEvalProof<'v, F, N_HALF>,
+        gens_1: &MultiCommitGens,
+        gens_n: &MultiCommitGens,
+        transcript: &mut Transcript,
+    ) {
+        let limbs_bits = self.secq_chip.ecc_chip.field_chip.limb_bits;
+        transcript.append_protocol_name(b"polynomial evaluation proof");
+
+        // Evaluate the eq poly over the boolean hypercube bounded to r
+        let r_left = &r[0..N / 2];
+        let r_right = &r[N / 2..];
+
+        // TODO: IMplement the evals() constraint
+        // L = evals(r_left);
+        // R = evals(r_right);
+        let L = r_left;
+        let R = r_right;
+
+        // L * r_left;
+        let mut C_LZ = self
+            .secq_chip
+            .ecc_chip
+            .assign_constant_point(ctx, Secq256k1::identity().to_affine());
+
+        for i in 0..comm_polys.len() {
+            let comm_poly_L = self.secq_chip.ecc_chip.scalar_mult(
+                ctx,
+                &comm_polys[i],
+                &L[i].truncation.limbs,
+                limbs_bits,
+                self.window_bits,
+            );
+
+            C_LZ = self
+                .secq_chip
+                .ecc_chip
+                .add_unequal(ctx, &comm_poly_L, &C_LZ, true);
+        }
+
+        self.proof_log_dotprod_chip.verify(
+            ctx,
+            R.try_into().unwrap(),
+            &C_LZ,
+            &C_Zr,
+            &proof.proof,
+            &gens_1,
+            &gens_n,
+            transcript,
+        );
+    }
+}

packages/hoplite_circuit/src/chips/proof_bullet_reduce.rs

@@ -0,0 +1,177 @@
+use super::utils::{Assign, AssignArray};
+use crate::{chips::secq256k1::Secq256k1Chip, transcript::HopliteTranscript, Fq};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::ecc::EcPoint;
+use halo2_ecc::fields::FieldChip;
+use halo2_ecc::{bigint::CRTInteger, ecc::fixed_base};
+use hoplite::{
+    circuit_vals::{CVProductProof, FromCircuitVal, ToCircuitVal},
+    commitments::MultiCommitGens,
+};
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{ProofTranscript, Transcript},
+};
+use num_bigint::BigUint;
+use num_traits::identities::Zero;
+use secpq_curves::group::{Curve, Group};
+use secpq_curves::Secq256k1;
+
+use super::pedersen_commit::PedersenCommitChip;
+
+#[derive(Clone)]
+pub struct AssignedBulletReductionProof<'v, F: PrimeField, const N: usize> {
+    pub L_vec: [EcPoint<F, CRTInteger<'v, F>>; N],
+    pub R_vec: [EcPoint<F, CRTInteger<'v, F>>; N],
+}
+
+#[derive(Clone)]
+pub struct BulletReduceChip<F: PrimeField, const N: usize> {
+    pub secq_chip: Secq256k1Chip<F>,
+    pub pedersen_chip: PedersenCommitChip<F>,
+    pub window_bits: usize,
+}
+
+impl<'v, F: PrimeField, const N: usize> BulletReduceChip<F, N> {
+    pub fn construct(
+        secq_chip: Secq256k1Chip<F>,
+        pedersen_chip: PedersenCommitChip<F>,
+        window_bits: usize,
+    ) -> Self {
+        Self {
+            secq_chip,
+            pedersen_chip,
+            window_bits,
+        }
+    }
+
+    fn batch_invert(&self, ctx: &mut Context<'v, F>, a: [CRTInteger<'v, F>; N]) {}
+
+    pub fn verify(
+        &self,
+        ctx: &mut Context<'v, F>,
+        upsilon: &EcPoint<F, CRTInteger<'v, F>>, // The upsilon calculated in this func should equal this
+        a_L: &[CRTInteger<'v, F>; N],
+        a_R: &[CRTInteger<'v, F>; N],
+        upsilon_L: &[EcPoint<F, CRTInteger<'v, F>>; N],
+        upsilon_R: &[EcPoint<F, CRTInteger<'v, F>>; N],
+        G_L: &[Secq256k1; N],
+        G_R: &[Secq256k1; N],
+        transcript: &mut Transcript,
+    ) -> (
+        EcPoint<F, CRTInteger<'v, F>>,
+        CRTInteger<'v, F>,
+        EcPoint<F, CRTInteger<'v, F>>,
+    ) {
+        let limb_bits = self.secq_chip.ecc_chip.field_chip.limb_bits;
+        // #####
+        // 1: Compute the verification scalars
+        // #####
+
+        // Compute challenges
+        let mut challenges = Vec::with_capacity(N);
+        for (L, R) in upsilon_L.iter().zip(upsilon_R.iter()) {
+            transcript.append_circuit_point(b"L", L.clone());
+            transcript.append_circuit_point(b"R", R.clone());
+            let c_i = transcript.challenge_scalar(b"u");
+            let c_i = Some(c_i.to_circuit_val()).assign(ctx, &self.secq_chip);
+            challenges.push(c_i);
+        }
+
+        let challenges_inv = challenges.clone();
+
+        // 2. Compute the invert of the challenges
+        // TODO: Compute the invert!
+        // Scalar::batch_invert(&mut challenges_inv);
+
+        // 3. Compute the square of the challenges
+        let mut challenges_sq = vec![];
+        for c in challenges.clone() {
+            let c_i_squared = self.secq_chip.fq_chip.mul(ctx, &c, &c);
+            challenges_sq.push(c_i_squared.clone());
+        }
+
+        let mut challenges_inv_sq = vec![];
+        for c in challenges_inv.clone() {
+            let c_i_squared = self.secq_chip.fq_chip.mul(ctx, &c, &c);
+            challenges_inv_sq.push(c_i_squared.clone());
+        }
+
+        let mut upsilon_hat = self
+            .secq_chip
+            .ecc_chip
+            .assign_constant_point(ctx, Secq256k1::identity().to_affine());
+
+        for i in 0..N {
+            let p_i_l = self.secq_chip.ecc_chip.scalar_mult(
+                ctx,
+                &upsilon_L[i],
+                &challenges_sq[i].truncation.limbs,
+                limb_bits,
+                4,
+            );
+            let p_i_r = self.secq_chip.ecc_chip.scalar_mult(
+                ctx,
+                &upsilon_R[i],
+                &challenges_inv_sq[i].truncation.limbs,
+                limb_bits,
+                4,
+            );
+
+            let p_i = self
+                .secq_chip
+                .ecc_chip
+                .add_unequal(ctx, &p_i_l, &p_i_r, true);
+
+            upsilon_hat = self
+                .secq_chip
+                .ecc_chip
+                .add_unequal(ctx, &p_i, &upsilon_hat, true);
+        }
+
+        let mut a_hat = self.secq_chip.fq_chip.load_constant(ctx, BigUint::zero());
+        for i in 0..N {
+            let a_i_l = self.secq_chip.fq_chip.mul(ctx, &a_L[i], &challenges_inv[i]);
+            let a_i_r = self.secq_chip.fq_chip.mul(ctx, &a_R[i], &challenges[i]);
+            let a_i_no_carry = self.secq_chip.fq_chip.add_no_carry(ctx, &a_i_l, &a_i_r);
+            let a_i = self.secq_chip.fq_chip.carry_mod(ctx, &a_i_no_carry);
+
+            let a_hat_no_carry = self.secq_chip.fq_chip.add_no_carry(ctx, &a_i, &a_hat);
+            a_hat = self.secq_chip.fq_chip.carry_mod(ctx, &a_hat_no_carry);
+        }
+
+        let mut g_hat = self
+            .secq_chip
+            .ecc_chip
+            .assign_constant_point(ctx, Secq256k1::identity().to_affine());
+
+        for i in 0..N {
+            let g_i_l = fixed_base::scalar_multiply(
+                &self.secq_chip.ecc_chip.field_chip,
+                ctx,
+                &G_L[i].to_affine(),
+                &challenges_inv[i].truncation.limbs,
+                limb_bits,
+                self.window_bits,
+            );
+
+            let g_i_r = fixed_base::scalar_multiply(
+                &self.secq_chip.ecc_chip.field_chip,
+                ctx,
+                &G_R[i].to_affine(),
+                &challenges[i].truncation.limbs,
+                limb_bits,
+                self.window_bits,
+            );
+
+            let g_i = self
+                .secq_chip
+                .ecc_chip
+                .add_unequal(ctx, &g_i_l, &g_i_r, true);
+
+            g_hat = self.secq_chip.ecc_chip.add_unequal(ctx, &g_i, &g_hat, true);
+        }
+
+        (upsilon_hat, a_hat, g_hat)
+    }
+}

packages/hoplite_circuit/src/chips/proof_log_of_dotprod.rs

@@ -0,0 +1,150 @@
+use crate::{chips::proof_bullet_reduce::BulletReduceChip, transcript::HopliteTranscript};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::ecc::EcPoint;
+use halo2_ecc::{bigint::CRTInteger, ecc::fixed_base};
+use hoplite::{circuit_vals::ToCircuitVal, commitments::MultiCommitGens};
+use libspartan::transcript::{ProofTranscript, Transcript};
+
+use super::{
+    proof_bullet_reduce::AssignedBulletReductionProof, secq256k1::Secq256k1Chip, utils::Assign,
+};
+use secpq_curves::group::Curve;
+
+pub struct AssignedDotProductProofLog<'v, F: PrimeField, const N: usize> {
+    pub bullet_reduction_proof: AssignedBulletReductionProof<'v, F, N>,
+    pub delta: EcPoint<F, CRTInteger<'v, F>>,
+    pub beta: EcPoint<F, CRTInteger<'v, F>>,
+    pub z1: CRTInteger<'v, F>,
+    pub z2: CRTInteger<'v, F>,
+}
+
+#[derive(Clone)]
+pub struct ProofLogOfDotProdChip<F: PrimeField, const N: usize, const N_HALF: usize> {
+    pub secq_chip: Secq256k1Chip<F>,
+    pub bullet_reduce_chip: BulletReduceChip<F, N_HALF>,
+    pub window_bits: usize,
+}
+
+impl<'v, F: PrimeField, const N: usize, const N_HALF: usize> ProofLogOfDotProdChip<F, N, N_HALF> {
+    pub fn construct(
+        secq_chip: Secq256k1Chip<F>,
+        bullet_reduce_chip: BulletReduceChip<F, N_HALF>,
+        window_bits: usize,
+    ) -> Self {
+        Self {
+            secq_chip,
+            bullet_reduce_chip,
+            window_bits,
+        }
+    }
+
+    pub fn verify(
+        &self,
+        ctx: &mut Context<'v, F>,
+        a: &[CRTInteger<'v, F>; N],
+        Cx: &EcPoint<F, CRTInteger<'v, F>>,
+        Cy: &EcPoint<F, CRTInteger<'v, F>>,
+        proof: &AssignedDotProductProofLog<'v, F, N_HALF>,
+        gens_1: &MultiCommitGens,
+        gens_n: &MultiCommitGens,
+        transcript: &mut Transcript,
+    ) {
+        let limb_bits = self.secq_chip.ecc_chip.field_chip.limb_bits;
+        transcript.append_protocol_name(b"dot product proof (log)");
+        transcript.append_circuit_point(b"Cx", Cx.clone());
+        transcript.append_circuit_point(b"Cy", Cy.clone());
+
+        transcript.append_message(b"a", b"begin_append_vector");
+        for a_i in a {
+            transcript.append_circuit_fq(b"a", a_i.clone());
+        }
+        transcript.append_message(b"a", b"end_append_vector");
+
+        // Upsilon
+
+        let Gamma = self.secq_chip.ecc_chip.add_unequal(ctx, &Cx, &Cy, true);
+
+        let a_L = a[0..N_HALF].try_into().unwrap();
+        let a_R = a[N_HALF..].try_into().unwrap();
+
+        let G_L = &gens_n.G[0..N_HALF].try_into().unwrap();
+        let G_R = &gens_n.G[N_HALF..].try_into().unwrap();
+
+        let bullet_reduction_proof = &proof.bullet_reduction_proof;
+        let upsilon_L = &bullet_reduction_proof.clone().L_vec.try_into().unwrap();
+        let upsilon_R = &bullet_reduction_proof.clone().R_vec.try_into().unwrap();
+
+        let (Gamma_hat, a_hat, g_hat) = self.bullet_reduce_chip.verify(
+            ctx, &Gamma, a_L, a_R, upsilon_L, upsilon_R, G_L, G_R, transcript,
+        );
+
+        transcript.append_circuit_point(b"delta", proof.delta.clone());
+        transcript.append_circuit_point(b"beta", proof.beta.clone());
+
+        let c = transcript.challenge_scalar(b"c");
+        let c = Some(c.to_circuit_val()).assign(ctx, &self.secq_chip);
+
+        let Gamma_hat_c = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            &Gamma_hat,
+            &c.truncation.limbs,
+            limb_bits,
+            self.window_bits,
+        );
+
+        let Gamma_hat_c_beta =
+            self.secq_chip
+                .ecc_chip
+                .add_unequal(ctx, &Gamma_hat_c, &proof.beta, true);
+        let lhs_1 = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            &Gamma_hat_c_beta,
+            &a_hat.truncation.limbs,
+            limb_bits,
+            self.window_bits,
+        );
+
+        let lhs = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &lhs_1, &proof.delta, true);
+
+        let G_a_hat = fixed_base::scalar_multiply(
+            self.secq_chip.ecc_chip.field_chip(),
+            ctx,
+            &gens_1.G[0].to_affine(),
+            &a_hat.truncation.limbs,
+            limb_bits,
+            self.window_bits,
+        );
+
+        let rhs_1 = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &G_a_hat, &g_hat, true);
+
+        let rhs_2 = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            &rhs_1,
+            &proof.z1.truncation.limbs,
+            limb_bits,
+            self.window_bits,
+        );
+
+        let rhs_3 = fixed_base::scalar_multiply(
+            self.secq_chip.ecc_chip.field_chip(),
+            ctx,
+            &gens_1.h.to_affine(),
+            &proof.z2.truncation.limbs,
+            limb_bits,
+            self.window_bits,
+        );
+
+        let rhs = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &rhs_2, &rhs_3, true);
+
+        self.secq_chip.ecc_chip.assert_equal(ctx, &lhs, &rhs);
+    }
+}

packages/hoplite_circuit/src/chips/proof_of_eq.rs

@@ -0,0 +1,90 @@
+use super::utils::Assign;
+use crate::{chips::secq256k1::Secq256k1Chip, transcript::HopliteTranscript};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::ecc::EcPoint;
+use halo2_ecc::{bigint::CRTInteger, ecc::fixed_base};
+use hoplite::{
+    circuit_vals::{CVEqualityProof, ToCircuitVal},
+    commitments::MultiCommitGens,
+};
+use libspartan::transcript::{ProofTranscript, Transcript};
+use secpq_curves::group::Curve;
+
+pub struct AssignedProofOfEq<'v, F: PrimeField> {
+    pub alpha: EcPoint<F, CRTInteger<'v, F>>,
+    pub z: CRTInteger<'v, F>,
+}
+
+impl<'v, F: PrimeField> Assign<'v, F, AssignedProofOfEq<'v, F>> for CVEqualityProof {
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedProofOfEq<'v, F> {
+        let alpha = self.alpha.assign(ctx, secq_chip);
+        let z = self.z.assign(ctx, secq_chip);
+
+        AssignedProofOfEq { alpha, z }
+    }
+}
+
+pub struct ProofOfEqChip<F: PrimeField> {
+    pub secq_chip: Secq256k1Chip<F>,
+    pub window_bits: usize,
+}
+
+impl<'v, F: PrimeField> ProofOfEqChip<F> {
+    pub fn construct(secq_chip: Secq256k1Chip<F>, window_bits: usize) -> Self {
+        Self {
+            secq_chip,
+            window_bits,
+        }
+    }
+
+    pub fn verify(
+        &self,
+        ctx: &mut Context<'v, F>,
+        C1: &EcPoint<F, CRTInteger<'v, F>>,
+        C2: &EcPoint<F, CRTInteger<'v, F>>,
+        proof: AssignedProofOfEq<'v, F>,
+        gens_n: &MultiCommitGens,
+        transcript: &mut Transcript,
+    ) {
+        let limb_bits = self.secq_chip.ecc_chip.field_chip.limb_bits;
+        let window_bits = self.window_bits;
+        transcript.append_protocol_name(b"equality proof");
+
+        transcript.append_circuit_point(b"C1", C1.clone());
+        transcript.append_circuit_point(b"C2", C2.clone());
+
+        transcript.append_circuit_point(b"alpha", (&proof.alpha).clone());
+
+        let lhs = fixed_base::scalar_multiply(
+            &self.secq_chip.ecc_chip.field_chip,
+            ctx,
+            &gens_n.h.to_affine(),
+            &proof.z.truncation.limbs,
+            limb_bits,
+            window_bits,
+        );
+
+        let c = transcript.challenge_scalar(b"c");
+        let c = Some(c.to_circuit_val()).assign(ctx, &self.secq_chip);
+
+        let C1_minus_C2 = self.secq_chip.ecc_chip.sub_unequal(ctx, &C1, &C2, true);
+        let C1_minus_C2_c = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            &C1_minus_C2,
+            &c.truncation.limbs,
+            limb_bits,
+            window_bits,
+        );
+
+        let rhs = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &C1_minus_C2_c, &proof.alpha, true);
+
+        self.secq_chip.ecc_chip.assert_equal(ctx, &lhs, &rhs);
+    }
+}

packages/hoplite_circuit/src/chips/proof_of_opening.rs

@@ -0,0 +1,97 @@
+use super::utils::Assign;
+use crate::{
+    chips::secq256k1::Secq256k1Chip,
+    transcript::HopliteTranscript,
+    {FpChip, FqChip},
+};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::bigint::CRTInteger;
+use halo2_ecc::ecc::{EcPoint, EccChip};
+use halo2_ecc::fields::FieldChip;
+use halo2_proofs::circuit::Value;
+use hoplite::{
+    circuit_vals::{CVKnowledgeProof, ToCircuitVal},
+    commitments::MultiCommitGens,
+};
+use libspartan::transcript::{ProofTranscript, Transcript};
+
+use super::pedersen_commit::PedersenCommitChip;
+
+pub struct AssignedProofOfOpening<'v, F: PrimeField> {
+    pub alpha: EcPoint<F, CRTInteger<'v, F>>,
+    pub z1: CRTInteger<'v, F>,
+    pub z2: CRTInteger<'v, F>,
+}
+
+impl<'v, F: PrimeField> Assign<'v, F, AssignedProofOfOpening<'v, F>> for CVKnowledgeProof {
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedProofOfOpening<'v, F> {
+        let alpha = self.alpha.assign(ctx, secq_chip);
+        let z1 = self.z1.assign(ctx, secq_chip);
+        let z2 = self.z2.assign(ctx, secq_chip);
+
+        AssignedProofOfOpening { alpha, z1, z2 }
+    }
+}
+
+pub struct ZKKnowledgeProofChip<F: PrimeField> {
+    pub ecc_chip: EccChip<F, FpChip<F>>,
+    pub fp_chip: FpChip<F>,
+    pub fq_chip: FqChip<F>,
+    pub pedersen_chip: PedersenCommitChip<F>,
+    pub window_bits: usize,
+}
+
+impl<'v, F: PrimeField> ZKKnowledgeProofChip<F> {
+    pub fn construct(
+        ecc_chip: EccChip<F, FpChip<F>>,
+        fp_chip: FpChip<F>,
+        fq_chip: FqChip<F>,
+        pedersen_chip: PedersenCommitChip<F>,
+        window_bits: usize,
+    ) -> Self {
+        Self {
+            ecc_chip,
+            fp_chip,
+            fq_chip,
+            pedersen_chip,
+            window_bits,
+        }
+    }
+
+    pub fn verify(
+        &self,
+        ctx: &mut Context<'v, F>,
+        C: &EcPoint<F, CRTInteger<'v, F>>,
+        proof: AssignedProofOfOpening<'v, F>,
+        gens_n: &MultiCommitGens,
+        transcript: &mut Transcript,
+    ) {
+        let limb_bits = self.fp_chip.limb_bits;
+
+        transcript.append_protocol_name(b"knowledge proof");
+
+        let alpha = &proof.alpha;
+        transcript.append_circuit_point(b"C", C.clone());
+        transcript.append_circuit_point(b"alpha", alpha.clone());
+
+        let c = &transcript.challenge_scalar(b"c");
+        let c = self.fq_chip.load_private(
+            ctx,
+            FqChip::<F>::fe_to_witness(&Value::known(c.to_circuit_val())),
+        );
+
+        let lhs = self.pedersen_chip.commit(ctx, &proof.z1, &proof.z2, gens_n);
+
+        let C_mult_c =
+            self.ecc_chip
+                .scalar_mult(ctx, C, &c.truncation.limbs, limb_bits, self.window_bits);
+
+        let rhs = self.ecc_chip.add_unequal(ctx, &C_mult_c, &alpha, true);
+
+        self.ecc_chip.assert_equal(ctx, &lhs, &rhs);
+    }
+}

packages/hoplite_circuit/src/chips/proof_of_prod.rs

@@ -0,0 +1,162 @@
+use super::utils::{Assign, AssignArray};
+use crate::{chips::secq256k1::Secq256k1Chip, transcript::HopliteTranscript};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::ecc::EcPoint;
+use halo2_ecc::{bigint::CRTInteger, ecc::fixed_base};
+use hoplite::{
+    circuit_vals::{CVProductProof, ToCircuitVal},
+    commitments::MultiCommitGens,
+};
+use libspartan::transcript::{ProofTranscript, Transcript};
+use secpq_curves::group::Curve;
+
+use super::pedersen_commit::PedersenCommitChip;
+
+pub struct AssignedProofOfProd<'v, F: PrimeField> {
+    pub alpha: EcPoint<F, CRTInteger<'v, F>>,
+    pub beta: EcPoint<F, CRTInteger<'v, F>>,
+    pub delta: EcPoint<F, CRTInteger<'v, F>>,
+    pub z: [CRTInteger<'v, F>; 5],
+}
+
+impl<'v, F: PrimeField> Assign<'v, F, AssignedProofOfProd<'v, F>> for CVProductProof {
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedProofOfProd<'v, F> {
+        let alpha = self.alpha.assign(ctx, secq_chip);
+        let beta = self.beta.assign(ctx, secq_chip);
+        let delta = self.delta.assign(ctx, secq_chip);
+        let z = self.z.assign(ctx, secq_chip);
+
+        AssignedProofOfProd {
+            alpha,
+            beta,
+            delta,
+            z,
+        }
+    }
+}
+
+pub struct ProofOfProdChip<F: PrimeField> {
+    pub secq_chip: Secq256k1Chip<F>,
+    pub pedersen_chip: PedersenCommitChip<F>,
+    pub window_bits: usize,
+}
+
+impl<'v, F: PrimeField> ProofOfProdChip<F> {
+    pub fn construct(
+        secq_chip: Secq256k1Chip<F>,
+        pedersen_chip: PedersenCommitChip<F>,
+        window_bits: usize,
+    ) -> Self {
+        Self {
+            secq_chip,
+            pedersen_chip,
+            window_bits,
+        }
+    }
+
+    pub fn verify(
+        &self,
+        ctx: &mut Context<'v, F>,
+
+        X: &EcPoint<F, CRTInteger<'v, F>>,
+        Y: &EcPoint<F, CRTInteger<'v, F>>,
+        Z: &EcPoint<F, CRTInteger<'v, F>>,
+        proof: AssignedProofOfProd<'v, F>,
+        gens_n: &MultiCommitGens,
+        transcript: &mut Transcript,
+    ) {
+        let limb_bits = self.secq_chip.ecc_chip.field_chip.limb_bits;
+        let window_bits = self.window_bits;
+        transcript.append_protocol_name(b"product proof");
+
+        transcript.append_circuit_point(b"X", X.clone());
+        transcript.append_circuit_point(b"Y", Y.clone());
+        transcript.append_circuit_point(b"Z", Z.clone());
+
+        transcript.append_circuit_point(b"alpha", (&proof.alpha).clone());
+        transcript.append_circuit_point(b"beta", (&proof.beta).clone());
+        transcript.append_circuit_point(b"delta", (&proof.delta).clone());
+
+        let c = transcript.challenge_scalar(b"c");
+        let c = Some(c.to_circuit_val()).assign(ctx, &self.secq_chip);
+
+        let z1 = &proof.z[0];
+        let z2 = &proof.z[1];
+        let z3 = &proof.z[2];
+        let z4 = &proof.z[3];
+        let z5 = &proof.z[4];
+
+        // (7)
+        let X_c = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            X,
+            &c.truncation.limbs,
+            limb_bits,
+            window_bits,
+        );
+        let lhs_7 = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &X_c, &proof.alpha, true);
+        let rhs_7 = self.pedersen_chip.commit(ctx, &z1, &z2, gens_n);
+        self.secq_chip.ecc_chip.assert_equal(ctx, &lhs_7, &rhs_7);
+
+        // (8)
+        let Y_c = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            Y,
+            &c.truncation.limbs,
+            limb_bits,
+            window_bits,
+        );
+        let lhs_8 = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &Y_c, &proof.beta, true);
+
+        let rhs_8 = self.pedersen_chip.commit(ctx, &z3, &z4, gens_n);
+
+        self.secq_chip.ecc_chip.assert_equal(ctx, &lhs_8, &rhs_8);
+
+        // (9)
+        let Z_c = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            Z,
+            &c.truncation.limbs,
+            limb_bits,
+            window_bits,
+        );
+        let lhs_9 = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &Z_c, &proof.delta, true);
+
+        let rhs_9_gx = self.secq_chip.ecc_chip.scalar_mult(
+            ctx,
+            X,
+            &z3.truncation.limbs,
+            limb_bits,
+            window_bits,
+        );
+
+        let rhs_9_hb = fixed_base::scalar_multiply(
+            &self.secq_chip.ecc_chip.field_chip,
+            ctx,
+            &gens_n.h.to_affine(),
+            &z5.truncation.limbs,
+            limb_bits,
+            window_bits,
+        );
+
+        let rhs_9 = self
+            .secq_chip
+            .ecc_chip
+            .add_unequal(ctx, &rhs_9_gx, &rhs_9_hb, true);
+
+        self.secq_chip.ecc_chip.assert_equal(ctx, &lhs_9, &rhs_9);
+    }
+}

packages/hoplite_circuit/src/chips/secq256k1.rs

@@ -0,0 +1,81 @@
+use super::utils::{Assign, AssignArray};
+use crate::{FpChip, Fq, FqChip};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::{
+    bigint::CRTInteger,
+    ecc::{EcPoint, EccChip},
+    fields::FieldChip,
+};
+use halo2_proofs::circuit::Value;
+use secpq_curves::Secq256k1;
+
+#[derive(Clone)]
+pub struct Secq256k1Chip<F: PrimeField> {
+    pub ecc_chip: EccChip<F, FpChip<F>>,
+    pub fq_chip: FqChip<F>,
+}
+
+impl<F: PrimeField> Secq256k1Chip<F> {
+    pub fn construct(ecc_chip: EccChip<F, FpChip<F>>, fq_chip: FqChip<F>) -> Self {
+        Self { ecc_chip, fq_chip }
+    }
+}
+
+impl<'v, F: PrimeField> Assign<'v, F, EcPoint<F, CRTInteger<'v, F>>> for Option<Secq256k1> {
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> EcPoint<F, CRTInteger<'v, F>> {
+        secq_chip.ecc_chip.load_private(
+            ctx,
+            (
+                self.map_or(Value::unknown(), |p| Value::known(p.x)),
+                self.map_or(Value::unknown(), |p| Value::known(p.y)),
+            ),
+        )
+    }
+}
+
+impl<'v, F: PrimeField> Assign<'v, F, CRTInteger<'v, F>> for Option<Fq> {
+    fn assign(&self, ctx: &mut Context<'v, F>, secq_chip: &Secq256k1Chip<F>) -> CRTInteger<'v, F> {
+        secq_chip.fq_chip.load_private(
+            ctx,
+            self.map_or(Value::unknown(), |z| {
+                FqChip::<F>::fe_to_witness(&Value::known(z))
+            }),
+        )
+    }
+}
+
+impl<'v, F: PrimeField, const N: usize> AssignArray<'v, F, CRTInteger<'v, F>, N>
+    for [Option<Fq>; N]
+{
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> [CRTInteger<'v, F>; N] {
+        self.iter()
+            .map(|v| v.assign(ctx, secq_chip))
+            .collect::<Vec<CRTInteger<'v, F>>>()
+            .try_into()
+            .unwrap()
+    }
+}
+
+impl<'v, F: PrimeField, const N: usize> AssignArray<'v, F, EcPoint<F, CRTInteger<'v, F>>, N>
+    for [Option<Secq256k1>; N]
+{
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> [EcPoint<F, CRTInteger<'v, F>>; N] {
+        self.iter()
+            .map(|v| v.assign(ctx, secq_chip))
+            .collect::<Vec<EcPoint<F, CRTInteger<'v, F>>>>()
+            .try_into()
+            .unwrap()
+    }
+}

packages/hoplite_circuit/src/chips/sumcheck.rs

@@ -0,0 +1,270 @@
+use crate::{
+    chips::{
+        dotprod::{AssignedZKDotProdProof, ZKDotProdChip},
+        pedersen_commit::PedersenCommitChip,
+        secq256k1::Secq256k1Chip,
+    },
+    transcript::HopliteTranscript,
+    {FpChip, Fq, FqChip},
+};
+use halo2_base::{utils::PrimeField, Context};
+use halo2_ecc::bigint::CRTInteger;
+use halo2_ecc::ecc::{fixed_base, EcPoint, EccChip};
+use halo2_ecc::fields::FieldChip;
+use halo2_proofs::circuit::Value;
+use hoplite::{
+    circuit_vals::{CVSumCheckProof, ToCircuitVal},
+    commitments::MultiCommitGens,
+};
+use libspartan::transcript::{ProofTranscript, Transcript};
+use secpq_curves::group::Group;
+use secpq_curves::{group::Curve, Secq256k1};
+
+use super::utils::{Assign, AssignArray};
+
+#[derive(Clone)]
+pub struct AssignedZKSumCheck<'v, const N_ROUNDS: usize, const DIMENSION: usize, F: PrimeField> {
+    pub comm_polys: [EcPoint<F, CRTInteger<'v, F>>; N_ROUNDS],
+    pub comm_evals: [EcPoint<F, CRTInteger<'v, F>>; N_ROUNDS],
+    pub proofs: [AssignedZKDotProdProof<'v, DIMENSION, F>; N_ROUNDS],
+}
+
+pub trait AssignZKSumCheckProof<'v, const N_ROUNDS: usize, const DIMENSION: usize, F: PrimeField> {
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedZKSumCheck<'v, N_ROUNDS, DIMENSION, F>;
+}
+
+impl<'v, const N_ROUNDS: usize, const DIMENSION: usize, F: PrimeField>
+    AssignZKSumCheckProof<'v, N_ROUNDS, DIMENSION, F> for CVSumCheckProof<N_ROUNDS, DIMENSION>
+{
+    fn assign(
+        &self,
+        ctx: &mut Context<'v, F>,
+        secq_chip: &Secq256k1Chip<F>,
+    ) -> AssignedZKSumCheck<'v, N_ROUNDS, DIMENSION, F> {
+        let comm_evals = self.comm_evals.assign(ctx, secq_chip);
+
+        let comm_polys = self.comm_polys.assign(ctx, secq_chip);
+
+        let proofs = self
+            .proofs
+            .iter()
+            .map(|proof| proof.assign(ctx, secq_chip))
+            .collect::<Vec<AssignedZKDotProdProof<'v, DIMENSION, F>>>()
+            .try_into()
+            .unwrap();
+
+        AssignedZKSumCheck {
+            comm_evals,
+            comm_polys,
+            proofs,
+        }
+    }
+}
+
+pub struct ZKSumCheckChip<const N_ROUNDS: usize, const DIMENSION: usize, F: PrimeField> {
+    pub ecc_chip: EccChip<F, FpChip<F>>,
+    pub fp_chip: FpChip<F>,
+    pub fq_chip: FqChip<F>,
+    pub pedersen_chip: PedersenCommitChip<F>,
+    pub zkdotprod_chip: ZKDotProdChip<DIMENSION, F>,
+    pub window_bits: usize,
+}
+
+impl<const N_ROUNDS: usize, const DIMENSION: usize, F: PrimeField>
+    ZKSumCheckChip<N_ROUNDS, DIMENSION, F>
+{
+    pub fn construct(
+        ecc_chip: EccChip<F, FpChip<F>>,
+        fp_chip: FpChip<F>,
+        fq_chip: FqChip<F>,
+        pedersen_chip: PedersenCommitChip<F>,
+        zkdotprod_chip: ZKDotProdChip<DIMENSION, F>,
+    ) -> Self {
+        Self {
+            ecc_chip,
+            fp_chip,
+            fq_chip,
+            pedersen_chip,
+            zkdotprod_chip,
+            window_bits: 4,
+        }
+    }
+
+    pub fn verify<'v>(
+        &self,
+        ctx: &mut Context<'v, F>,
+        proof: &AssignedZKSumCheck<'v, N_ROUNDS, DIMENSION, F>,
+        gens_n: &MultiCommitGens,
+        gens_1: &MultiCommitGens,
+        target_sum: EcPoint<F, CRTInteger<'v, F>>,
+        target_sum_identity: bool,
+        transcript: &mut Transcript,
+    ) -> (EcPoint<F, CRTInteger<'v, F>>, [CRTInteger<'v, F>; N_ROUNDS]) {
+        let limb_bits = self.fp_chip.limb_bits;
+        let num_limbs = self.fp_chip.num_limbs;
+        let mut r = vec![];
+
+        for i in 0..N_ROUNDS {
+            // Load claimed_sum
+            let com_eval = &proof.comm_evals[i];
+            let com_poly = &proof.comm_polys[i];
+
+            transcript.append_circuit_point(b"comm_poly", com_poly.clone());
+
+            let r_i = &transcript.challenge_scalar(b"challenge_nextround");
+            let r_i = self.fp_chip.load_private(
+                ctx,
+                FqChip::<F>::fe_to_witness(&Value::known(r_i.to_circuit_val())),
+            );
+            r.push(r_i.clone());
+
+            let com_round_sum = if i == 0 {
+                &target_sum
+            } else {
+                &proof.comm_evals[i - 1]
+            };
+
+            transcript.append_circuit_point(b"comm_claim_per_round", com_round_sum.clone());
+            transcript.append_circuit_point(b"comm_eval", com_eval.clone());
+
+            // Convert the CRT integer back into native
+            // Might be easier to use CRT integer in the original implementation as well.
+            // Need to append bunch of hashes to transcript
+            // The point should be SEC-1 encoded as well
+
+            let w_scalar = transcript.challenge_vector(b"combine_two_claims_to_one", 2);
+
+            let w_0: CRTInteger<F> = self.fq_chip.load_private(
+                ctx,
+                FqChip::<F>::fe_to_witness(&Value::known(w_scalar[0].to_circuit_val())),
+            );
+
+            let w_1: CRTInteger<F> = self.fq_chip.load_private(
+                ctx,
+                FqChip::<F>::fe_to_witness(&Value::known(w_scalar[1].to_circuit_val())),
+            );
+
+            let tau_0 = if target_sum_identity {
+                fixed_base::scalar_multiply(
+                    &self.fp_chip,
+                    ctx,
+                    &Secq256k1::identity().to_affine(),
+                    &w_0.truncation.limbs,
+                    limb_bits,
+                    self.window_bits,
+                )
+            } else {
+                self.ecc_chip.scalar_mult(
+                    ctx,
+                    &com_round_sum,
+                    &w_0.truncation.limbs,
+                    limb_bits,
+                    self.window_bits,
+                )
+            };
+
+            let tau_1 = self.ecc_chip.scalar_mult(
+                ctx,
+                &com_eval,
+                &w_1.truncation.limbs,
+                limb_bits,
+                self.window_bits,
+            );
+
+            let tau = if target_sum_identity {
+                tau_1
+            } else {
+                self.ecc_chip.add_unequal(ctx, &tau_0, &tau_1, true)
+            };
+
+            let mut a_sc = vec![];
+            let mut a_eval_base = vec![]; // All ones
+            let mut a_eval = vec![];
+
+            for i in 0..DIMENSION {
+                // TODO These should be instance column values?
+                if i == 0 {
+                    a_sc.push(
+                        self.fq_chip.load_private(
+                            ctx,
+                            FqChip::<F>::fe_to_witness(&Value::known(Fq::from(2))),
+                        ),
+                    );
+                } else {
+                    a_sc.push(
+                        self.fq_chip.load_private(
+                            ctx,
+                            FqChip::<F>::fe_to_witness(&Value::known(Fq::from(1))),
+                        ),
+                    );
+                }
+            }
+
+            for _ in 0..DIMENSION {
+                // TODO These should be instance column values?
+                a_eval_base.push(
+                    self.fq_chip
+                        .load_private(ctx, FqChip::<F>::fe_to_witness(&Value::known(Fq::from(1)))),
+                );
+            }
+
+            a_eval.push(
+                self.fq_chip
+                    .load_private(ctx, FqChip::<F>::fe_to_witness(&Value::known(Fq::from(1)))),
+            );
+
+            for i in 1..DIMENSION {
+                // TODO These should be instance column values?
+                if i == 1 {
+                    let a_eval_i_no_carry = self.fq_chip.mul_no_carry(ctx, &a_eval_base[i], &r_i);
+                    let a_eval_i = self.fq_chip.carry_mod(ctx, &a_eval_i_no_carry);
+                    a_eval.push(a_eval_i);
+                } else {
+                    let a_eval_i_no_carry = self.fq_chip.mul_no_carry(ctx, &a_eval[i - 1], &r_i);
+                    let a_eval_i = self.fq_chip.carry_mod(ctx, &a_eval_i_no_carry);
+                    a_eval.push(a_eval_i);
+                }
+            }
+
+            let mut a = vec![];
+
+            for i in 0..DIMENSION {
+                let a_i_lhs = self.fq_chip.mul_no_carry(ctx, &a_sc[i], &w_0);
+                let a_i_rhs = self.fq_chip.mul_no_carry(ctx, &a_eval[i], &w_1);
+                let a_i_no_carry = self.fq_chip.add_no_carry(ctx, &a_i_lhs, &a_i_rhs);
+                let a_i = self.fq_chip.carry_mod(ctx, &a_i_no_carry);
+
+                a.push(a_i);
+            }
+
+            let zk_dot_prod_chip = ZKDotProdChip::construct(
+                self.ecc_chip.clone(),
+                self.fq_chip.clone(),
+                self.pedersen_chip.clone(),
+            );
+
+            let round_proof: &AssignedZKDotProdProof<DIMENSION, F> = &proof.proofs[i];
+
+            zk_dot_prod_chip.verify(
+                ctx,
+                &tau,
+                a.try_into().unwrap(),
+                com_poly,
+                round_proof,
+                gens_1,
+                gens_n,
+                transcript,
+            );
+        }
+
+        self.fp_chip.finalize(ctx);
+        (
+            proof.comm_evals[proof.comm_evals.len() - 1].clone(),
+            r.try_into().unwrap(),
+        )
+    }
+}

packages/hoplite_circuit/src/chips/utils.rs

@@ -0,0 +1,10 @@
+use super::secq256k1::Secq256k1Chip;
+use halo2_base::{utils::PrimeField, Context};
+
+pub trait Assign<'v, F: PrimeField, A> {
+    fn assign(&self, ctx: &mut Context<'v, F>, secq_chip: &Secq256k1Chip<F>) -> A;
+}
+
+pub trait AssignArray<'v, F: PrimeField, A, const N: usize> {
+    fn assign(&self, ctx: &mut Context<'v, F>, secq_chip: &Secq256k1Chip<F>) -> [A; N];
+}

packages/hoplite_circuit/src/lib.rs

@@ -0,0 +1,765 @@
+#![allow(non_snake_case)]
+mod chips;
+mod transcript;
+
+use chips::{
+    dotprod::ZKDotProdChip,
+    eval_poly::EvalMLPolyChip,
+    pedersen_commit::PedersenCommitChip,
+    poly_eval_proof::{AssignN, PolyEvalProofChip},
+    proof_bullet_reduce::BulletReduceChip,
+    proof_log_of_dotprod::ProofLogOfDotProdChip,
+    proof_of_eq::ProofOfEqChip,
+    proof_of_opening::ZKKnowledgeProofChip,
+    proof_of_prod::ProofOfProdChip,
+    secq256k1::Secq256k1Chip,
+    sumcheck::{AssignZKSumCheckProof, ZKSumCheckChip},
+    utils::{Assign, AssignArray},
+};
+use halo2_base::utils::{modulus, PrimeField};
+use halo2_ecc::fields::FieldChip;
+use halo2_ecc::{
+    ecc::{fixed_base::FixedEcPoint, EccChip},
+    fields::fp::{FpConfig, FpStrategy},
+};
+use halo2_proofs::{
+    circuit::{Layouter, SimpleFloorPlanner},
+    plonk,
+    plonk::{Circuit, Column, ConstraintSystem, Instance},
+};
+use hoplite::circuit_vals::{FromCircuitVal, ToCircuitVal};
+use hoplite::{
+    circuit_vals::{
+        CVEqualityProof, CVKnowledgeProof, CVPolyCommitment, CVPolyEvalProof, CVProductProof,
+        CVSumCheckProof,
+    },
+    commitments::{Commitments, MultiCommitGens},
+};
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{ProofTranscript, Transcript},
+};
+use num_bigint::BigUint;
+use num_traits::{One, Zero};
+
+use secpq_curves::{group::Curve, Secq256k1};
+use transcript::HopliteTranscript;
+
+pub type Fp = secpq_curves::Fq;
+pub type Fq = secpq_curves::Fp;
+
+pub type FqChip<F> = FpConfig<F, secpq_curves::Fp>;
+pub type FpChip<F> = FpConfig<F, secpq_curves::Fq>;
+
+#[derive(Clone, Debug)]
+pub struct HopliteCircuitConfig<F: PrimeField> {
+    field_config: FpChip<F>,
+    /// Public inputs
+    instance: Column<Instance>,
+    window_bits: usize,
+}
+
+// SpartanNIZK verification circuit
+pub struct HopliteCircuit<
+    const NUM_INPUTS: usize,
+    const NUM_CONSTRAINTS: usize,
+    const NUM_VARS: usize,
+    const NUM_VARS_H: usize,
+> {
+    pub inst: Vec<u8>,
+    pub input: Vec<Fq>,
+    pub comm_vars: CVPolyCommitment<NUM_VARS>,
+    pub sc_proof_phase1: CVSumCheckProof<NUM_CONSTRAINTS, 4>,
+    pub claims_phase2: (
+        Option<Secq256k1>,
+        Option<Secq256k1>,
+        Option<Secq256k1>,
+        Option<Secq256k1>,
+    ),
+    pub pok_claims_phase2: (CVKnowledgeProof, CVProductProof),
+    pub proof_eq_sc_phase1: CVEqualityProof,
+    pub sc_proof_phase2: CVSumCheckProof<14, 3>,
+    pub comm_vars_at_ry: Option<Secq256k1>,
+    pub proof_eval_vars_at_ry: CVPolyEvalProof<NUM_VARS_H>,
+    pub proof_eq_sc_phase2: CVEqualityProof,
+    pub gens_sc_1: MultiCommitGens,
+    pub gens_sc_3: MultiCommitGens,
+    pub gens_sc_4: MultiCommitGens,
+    pub gens_pc_1: MultiCommitGens,
+    pub gens_pc_n: MultiCommitGens,
+}
+
+pub struct CircuitParams {
+    strategy: FpStrategy,
+    degree: u32,
+    num_advice: usize,
+    num_lookup_advice: usize,
+    num_fixed: usize,
+    lookup_bits: usize,
+    limb_bits: usize,
+    num_limbs: usize,
+}
+
+impl<
+        const NUM_INPUTS: usize,
+        const NUM_CONSTRAINTS: usize,
+        const NUM_VARS: usize,
+        const NUM_VARS_H: usize,
+        F: PrimeField,
+    > Circuit<F> for HopliteCircuit<NUM_INPUTS, NUM_CONSTRAINTS, NUM_VARS, NUM_VARS_H>
+{
+    type Config = HopliteCircuitConfig<F>;
+    type FloorPlanner = SimpleFloorPlanner;
+
+    fn configure(meta: &mut ConstraintSystem<F>) -> Self::Config {
+        let params = CircuitParams {
+            strategy: FpStrategy::Simple,
+            degree: 21,
+            num_advice: 20,
+            num_lookup_advice: 6,
+            num_fixed: 1,
+            lookup_bits: 17,
+            limb_bits: 88,
+            num_limbs: 3,
+        };
+
+        let field_config = FpChip::<F>::configure(
+            meta,
+            params.strategy,
+            &[params.num_advice],
+            &[params.num_lookup_advice],
+            params.num_fixed,
+            params.lookup_bits,
+            params.limb_bits,
+            params.num_limbs,
+            modulus::<Fp>(),
+            0,
+            params.degree as usize,
+        );
+
+        let instance = meta.instance_column();
+
+        meta.enable_equality(instance);
+
+        HopliteCircuitConfig {
+            instance,
+            field_config,
+            window_bits: 4,
+        }
+    }
+
+    fn without_witnesses(&self) -> Self {
+        HopliteCircuit::<NUM_INPUTS, NUM_CONSTRAINTS, NUM_VARS, NUM_VARS_H> {
+            comm_vars: CVPolyCommitment::<NUM_VARS>::default(),
+            inst: vec![],
+            input: vec![Fq::zero(); NUM_INPUTS],
+            sc_proof_phase1: CVSumCheckProof::<NUM_CONSTRAINTS, 4>::default(),
+            claims_phase2: (None, None, None, None),
+            pok_claims_phase2: (CVKnowledgeProof::default(), CVProductProof::default()),
+            proof_eq_sc_phase1: CVEqualityProof::default(),
+            sc_proof_phase2: CVSumCheckProof::<14, 3>::default(),
+            comm_vars_at_ry: None,
+            proof_eval_vars_at_ry: CVPolyEvalProof::<NUM_VARS_H>::default(),
+            proof_eq_sc_phase2: CVEqualityProof::default(),
+            gens_sc_1: MultiCommitGens::default(),
+            gens_sc_3: MultiCommitGens::default(),
+            gens_sc_4: MultiCommitGens::default(),
+            gens_pc_1: MultiCommitGens::default(),
+            gens_pc_n: MultiCommitGens::default(),
+        }
+    }
+
+    fn synthesize(
+        &self,
+        config: Self::Config,
+        mut layouter: impl Layouter<F>,
+    ) -> Result<(), plonk::Error> {
+        // Scalar mult
+        let n_rounds = 1;
+
+        let fp_chip = config.field_config;
+        fp_chip.range.load_lookup_table(&mut layouter)?;
+
+        // Actually perform the calculation
+
+        let limb_bits = fp_chip.limb_bits;
+        let num_limbs = fp_chip.num_limbs;
+        let _num_fixed = fp_chip.range.gate.constants.len();
+        let _lookup_bits = fp_chip.range.lookup_bits;
+        let _num_advice = fp_chip.range.gate.num_advice;
+
+        // We can construct the fp_chip from the config of the fp_chip
+        // (fp_chip can use the same columns as the fp_chip)
+        let fq_chip =
+            FqChip::<F>::construct(fp_chip.range.clone(), limb_bits, num_limbs, modulus::<Fq>());
+
+        let ecc_chip = EccChip::construct(fp_chip.clone());
+        let secq_chip = Secq256k1Chip::construct(ecc_chip.clone(), fq_chip.clone());
+
+        let pedersen_chip = PedersenCommitChip::construct(ecc_chip.clone(), fp_chip.clone());
+        let phase_1_zkdotprod_chip: ZKDotProdChip<4, F> =
+            ZKDotProdChip::construct(ecc_chip.clone(), fq_chip.clone(), pedersen_chip.clone());
+
+        let phase_1_zksumcheck_chip = ZKSumCheckChip::construct(
+            ecc_chip.clone(),
+            fp_chip.clone(),
+            fq_chip.clone(),
+            pedersen_chip.clone(),
+            phase_1_zkdotprod_chip.clone(),
+        );
+
+        let knowledge_proof_chip = ZKKnowledgeProofChip::construct(
+            ecc_chip.clone(),
+            fp_chip.clone(),
+            fq_chip.clone(),
+            pedersen_chip.clone(),
+            4,
+        );
+
+        let proof_of_prod_chip =
+            ProofOfProdChip::construct(secq_chip.clone(), pedersen_chip.clone(), 4);
+
+        let proof_of_eq_chip = ProofOfEqChip::construct(secq_chip.clone(), 4);
+
+        let eval_poly_chip = EvalMLPolyChip::<F, NUM_INPUTS>::construct(fp_chip.clone());
+
+        //  let mut results = Vec::new();
+
+        layouter.assign_region(
+            || "",
+            |region| {
+                let mut ctx = fp_chip.new_context(region);
+
+                let mut transcript = Transcript::new(b"test_verify");
+
+                transcript.append_protocol_name(b"Spartan NIZK proof");
+                transcript.append_message(b"R1CSInstanceDigest", &self.inst);
+
+                transcript.append_protocol_name(b"R1CS proof");
+
+                // Append input to the transcript
+                transcript.append_message(b"input", b"begin_append_vector");
+                for item in &self.input {
+                    transcript.append_message(b"input", &item.to_bytes());
+                }
+                transcript.append_message(b"input", b"end_append_vector");
+
+                // Append poly commitment to the transcript
+                transcript.append_message(b"poly_commitment", b"poly_commitment_begin");
+                for comm_var in self.comm_vars.C {
+                    transcript.append_point(
+                        b"poly_commitment_share",
+                        &CompressedGroup::from_circuit_val(&comm_var.unwrap()),
+                    );
+                }
+                transcript.append_message(b"poly_commitment", b"poly_commitment_end");
+
+                let phase1_expected_sum = Fq::zero().commit(&Fq::zero(), &self.gens_sc_1);
+
+                let phase1_expected_sum =
+                    FixedEcPoint::from_curve(phase1_expected_sum.to_affine(), num_limbs, limb_bits);
+
+                let phase1_expected_sum = FixedEcPoint::assign(
+                    phase1_expected_sum,
+                    &fp_chip,
+                    &mut ctx,
+                    fp_chip.native_modulus(),
+                );
+
+                let _tau: Vec<Fq> = transcript
+                    .challenge_vector(b"challenge_tau", n_rounds)
+                    .iter()
+                    .map(|tau_i| tau_i.to_circuit_val())
+                    .collect();
+
+                let phase1_sc_proof = self.sc_proof_phase1.assign(&mut ctx, &secq_chip);
+                let (comm_claim_post_phase1, ry) = phase_1_zksumcheck_chip.verify(
+                    &mut ctx,
+                    &phase1_sc_proof,
+                    &self.gens_sc_4,
+                    &self.gens_sc_1,
+                    phase1_expected_sum,
+                    true,
+                    &mut transcript,
+                );
+
+                // Verify Az * Bz = Cz
+                let (comm_Az_claim, comm_Bz_claim, comm_Cz_claim, comm_prod_Az_Bz_claims) =
+                    &self.claims_phase2;
+
+                let (pok_Cz_claim, proof_prod) = &self.pok_claims_phase2;
+                let pok_Cz_claim = pok_Cz_claim.assign(&mut ctx, &secq_chip);
+                let proof_prod = proof_prod.assign(&mut ctx, &secq_chip);
+                let comm_Cz_claim = comm_Cz_claim.assign(&mut ctx, &secq_chip);
+
+                // Assign points
+                let comm_Az_claim = comm_Az_claim.assign(&mut ctx, &secq_chip);
+                let comm_Bz_claim = comm_Bz_claim.assign(&mut ctx, &secq_chip);
+
+                let comm_prod_Az_Bz_claims = comm_prod_Az_Bz_claims.assign(&mut ctx, &secq_chip);
+
+                knowledge_proof_chip.verify(
+                    &mut ctx,
+                    &comm_Cz_claim,
+                    pok_Cz_claim,
+                    &self.gens_sc_1,
+                    &mut transcript,
+                );
+
+                proof_of_prod_chip.verify(
+                    &mut ctx,
+                    &comm_Az_claim,
+                    &comm_Bz_claim,
+                    &comm_Cz_claim,
+                    proof_prod,
+                    &self.gens_sc_1,
+                    &mut transcript,
+                );
+                transcript.append_circuit_point(b"comm_Az_claim", comm_Az_claim.clone());
+                transcript.append_circuit_point(b"comm_Bz_claim", comm_Bz_claim.clone());
+                transcript.append_circuit_point(b"comm_Cz_claim", comm_Cz_claim.clone());
+                transcript.append_circuit_point(
+                    b"comm_prod_Az_Bz_claims",
+                    comm_prod_Az_Bz_claims.clone(),
+                );
+
+                // eq_eval
+                let expected_claim_post_phase1 =
+                    ecc_chip.sub_unequal(&mut ctx, &comm_prod_Az_Bz_claims, &comm_Cz_claim, true);
+                // eq_tau_rx;
+
+                let proof_eq_sc_phase1 = self.proof_eq_sc_phase1.assign(&mut ctx, &secq_chip);
+
+                proof_of_eq_chip.verify(
+                    &mut ctx,
+                    &expected_claim_post_phase1,
+                    &comm_claim_post_phase1,
+                    proof_eq_sc_phase1,
+                    &self.gens_sc_1,
+                    &mut transcript,
+                );
+
+                let r_A = transcript.challenge_scalar(b"challenege_Az");
+                let r_B = transcript.challenge_scalar(b"challenege_Bz");
+                let r_C = transcript.challenge_scalar(b"challenege_Cz");
+
+                let r_A = Some(r_A.to_circuit_val()).assign(&mut ctx, &secq_chip);
+                let r_B = Some(r_B.to_circuit_val()).assign(&mut ctx, &secq_chip);
+                let r_C = Some(r_C.to_circuit_val()).assign(&mut ctx, &secq_chip);
+
+                // M(r_y) = r_A * comm_Az_claim + r_B * comm_Bz_claim + r_C * comm_Cz_claim;
+                let r_A_comm_Az = ecc_chip.scalar_mult(
+                    &mut ctx,
+                    &comm_Az_claim,
+                    &r_A.truncation.limbs,
+                    limb_bits,
+                    4,
+                );
+                let r_B_comm_Bz = ecc_chip.scalar_mult(
+                    &mut ctx,
+                    &comm_Bz_claim,
+                    &r_B.truncation.limbs,
+                    limb_bits,
+                    4,
+                );
+                let r_C_comm_Cz = ecc_chip.scalar_mult(
+                    &mut ctx,
+                    &comm_Cz_claim,
+                    &r_C.truncation.limbs,
+                    limb_bits,
+                    4,
+                );
+
+                let r_AB_comm_ABz =
+                    ecc_chip.add_unequal(&mut ctx, &r_A_comm_Az, &r_B_comm_Bz, true);
+                let comm_claim_phase2 =
+                    ecc_chip.add_unequal(&mut ctx, &r_AB_comm_ABz, &r_C_comm_Cz, true);
+
+                let phase_2_zkdotprod_chip: ZKDotProdChip<3, F> = ZKDotProdChip::construct(
+                    ecc_chip.clone(),
+                    fq_chip.clone(),
+                    pedersen_chip.clone(),
+                );
+
+                let phase_2_zksumcheck_chip = ZKSumCheckChip::construct(
+                    ecc_chip.clone(),
+                    fp_chip.clone(),
+                    fq_chip.clone(),
+                    pedersen_chip.clone(),
+                    phase_2_zkdotprod_chip.clone(),
+                );
+
+                let sc_proof_phase2 = self.sc_proof_phase2.assign(&mut ctx, &secq_chip);
+
+                let (comm_claim_post_phase2, ry) = phase_2_zksumcheck_chip.verify(
+                    &mut ctx,
+                    &sc_proof_phase2,
+                    &self.gens_sc_3,
+                    &self.gens_sc_1,
+                    comm_claim_phase2,
+                    false,
+                    &mut transcript,
+                );
+
+                let comm_vars = self.comm_vars.C.assign(&mut ctx, &secq_chip);
+                let bullet_reduce_chip =
+                    BulletReduceChip::construct(secq_chip.clone(), pedersen_chip.clone(), 4);
+
+                let proof_of_log_dotprod_chip = ProofLogOfDotProdChip::construct(
+                    secq_chip.clone(),
+                    bullet_reduce_chip.clone(),
+                    4,
+                );
+
+                let polly_eval_proof_chip = PolyEvalProofChip::construct(
+                    secq_chip.clone(),
+                    proof_of_log_dotprod_chip.clone(),
+                    4,
+                );
+
+                let poly_eval_proof = self.proof_eval_vars_at_ry.assign(&mut ctx, &secq_chip);
+                let comm_vars_at_ry = self.comm_vars_at_ry.assign(&mut ctx, &secq_chip);
+
+                polly_eval_proof_chip.verify(
+                    &mut ctx,
+                    (&ry[1..]).try_into().unwrap(),
+                    &comm_vars_at_ry,
+                    &comm_vars.try_into().unwrap(),
+                    poly_eval_proof,
+                    &self.gens_pc_1,
+                    &self.gens_pc_n,
+                    &mut transcript,
+                );
+
+                // Interpolate the input as a multilinear polynomial and evaluate at ry[1..]
+                let mut input_with_one: Vec<Fq> = vec![Fq::one()];
+                input_with_one.extend_from_slice(&self.input);
+
+                let mut input_with_one = vec![fp_chip.load_constant(&mut ctx, BigUint::one())];
+
+                for i in 1..self.input.len() {
+                    input_with_one.push(fp_chip.load_constant(
+                        &mut ctx,
+                        BigUint::from_bytes_le(&self.input[i].to_bytes()),
+                    ));
+                }
+
+                let poly_input_eval = eval_poly_chip.eval(
+                    &mut ctx,
+                    input_with_one.as_slice().try_into().unwrap(),
+                    ry[1..].try_into().unwrap(),
+                );
+
+                let blinder = fp_chip.load_constant(&mut ctx, BigUint::zero());
+                pedersen_chip.commit(&mut ctx, &poly_input_eval, &blinder, &self.gens_pc_1);
+
+                // TODO: TBD
+
+                Ok(())
+            },
+        )?;
+
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+#[allow(non_camel_case_types)]
+mod tests {
+
+    use super::*;
+    use ark_std::{end_timer, start_timer};
+    use bincode;
+    use circuit_reader::load_as_spartan_inst;
+    use halo2_base::utils::{decompose_biguint, fs::gen_srs};
+    use halo2_proofs::{dev::MockProver, halo2curves::bn256::Fr};
+    use halo2_proofs::{
+        halo2curves::bn256::{Bn256, G1Affine},
+        plonk::{create_proof, keygen_pk, keygen_vk, verify_proof},
+        poly::{
+            commitment::ParamsProver,
+            kzg::{
+                commitment::{KZGCommitmentScheme, ParamsVerifierKZG},
+                multiopen::{ProverSHPLONK, VerifierSHPLONK},
+                strategy::SingleStrategy,
+            },
+        },
+        transcript::{
+            Blake2bRead, Blake2bWrite, Challenge255, TranscriptReadBuffer, TranscriptWriterBuffer,
+        },
+    };
+    use hoplite::{circuit_vals::ToCircuitVal, verify_nizk};
+    use libspartan::{
+        transcript::Transcript, InputsAssignment, Instance, NIZKGens, VarsAssignment, NIZK,
+    };
+    use rand_core::OsRng;
+    use secpq_curves::group::cofactor::CofactorCurveAffine;
+    use secpq_curves::Secq256k1Affine;
+    use std::fs::File;
+    use std::io::Read;
+
+    const NUM_INPUTS: usize = 5;
+    const NUM_CONSTRAINTS: usize = 8076;
+    const NUM_VARS: usize = 8097;
+    type SPARTAN_ECDSA_CIRCUIT = HopliteCircuit<5, 13, 64, 7>;
+
+    fn spartan_ecdsa_circuit() -> SPARTAN_ECDSA_CIRCUIT {
+        let mut proof_file = File::open("./prover/proof.bin").expect("Proof file not found.");
+        let mut input_file = File::open("./prover/input.bin").expect("Input file not found");
+        let mut proof = vec![];
+        let mut input = vec![];
+        proof_file.read_to_end(&mut proof).unwrap();
+        input_file.read_to_end(&mut input).unwrap();
+        let proof: NIZK = bincode::deserialize(&proof).unwrap();
+
+        let inst = load_as_spartan_inst(
+            "../circuits/build/pubkey_membership/pubkey_membership.r1cs".into(),
+            5,
+        );
+
+        let sc_proof_phase1: CVSumCheckProof<13, 4> =
+            proof.r1cs_sat_proof.sc_proof_phase1.to_circuit_val();
+
+        let r1cs_sat_proof = &proof.r1cs_sat_proof;
+
+        let claims_phase2 = &r1cs_sat_proof.claims_phase2;
+
+        let mut inputs = Vec::new();
+        for i in 0..NUM_INPUTS {
+            inputs.push(input[(i * 32)..((i + 1) * 32)].try_into().unwrap());
+        }
+
+        let assignment_inputs = InputsAssignment::new(&inputs).unwrap();
+
+        let input = assignment_inputs
+            .assignment
+            .iter()
+            .map(|x| x.to_circuit_val())
+            .collect();
+
+        let gens = NIZKGens::new(NUM_CONSTRAINTS, NUM_VARS, NUM_INPUTS);
+
+        /*
+        verify_nizk(
+            &inst,
+            num_cons,
+            num_vars,
+            &assignment_inputs.assignment,
+            &proof,
+            &gens,
+        );
+         */
+
+        let circuit = SPARTAN_ECDSA_CIRCUIT {
+            inst: inst.digest,
+            input,
+            comm_vars: r1cs_sat_proof.comm_vars.to_circuit_val(),
+            sc_proof_phase1: sc_proof_phase1,
+            sc_proof_phase2: r1cs_sat_proof.sc_proof_phase2.to_circuit_val(),
+            claims_phase2: (
+                Some(claims_phase2.0.to_circuit_val()),
+                Some(claims_phase2.1.to_circuit_val()),
+                Some(claims_phase2.2.to_circuit_val()),
+                Some(claims_phase2.3.to_circuit_val()),
+            ),
+            pok_claims_phase2: (
+                r1cs_sat_proof.pok_claims_phase2.0.to_circuit_val(),
+                r1cs_sat_proof.pok_claims_phase2.1.to_circuit_val(),
+            ),
+            proof_eq_sc_phase1: r1cs_sat_proof.proof_eq_sc_phase1.to_circuit_val(),
+            proof_eq_sc_phase2: r1cs_sat_proof.proof_eq_sc_phase2.to_circuit_val(),
+            comm_vars_at_ry: Some(r1cs_sat_proof.comm_vars_at_ry.to_circuit_val()),
+            proof_eval_vars_at_ry: r1cs_sat_proof.proof_eval_vars_at_ry.to_circuit_val(),
+            gens_pc_1: gens.gens_r1cs_sat.gens_pc.gens.gens_1.into(),
+            gens_pc_n: gens.gens_r1cs_sat.gens_pc.gens.gens_n.into(),
+            gens_sc_1: gens.gens_r1cs_sat.gens_sc.gens_1.into(),
+            gens_sc_3: gens.gens_r1cs_sat.gens_sc.gens_3.into(),
+            gens_sc_4: gens.gens_r1cs_sat.gens_sc.gens_4.into(),
+        };
+
+        circuit
+    }
+
+    fn tiny_circuit() -> HopliteCircuit<4, 1, 2, 1> {
+        // parameters of the R1CS instance
+        let num_cons = 1;
+        let num_vars = 0;
+        let num_inputs = 3;
+
+        // We will encode the above constraints into three matrices, where
+        // the coefficients in the matrix are in the little-endian byte order
+        let mut A: Vec<(usize, usize, [u8; 32])> = Vec::new(); // <row, column, value>
+        let mut B: Vec<(usize, usize, [u8; 32])> = Vec::new();
+        let mut C: Vec<(usize, usize, [u8; 32])> = Vec::new();
+
+        // Create a^2 + b + 13
+        A.push((0, num_vars + 2, Fq::one().to_bytes())); // 1*a
+        B.push((0, num_vars + 2, Fq::one().to_bytes())); // 1*a
+        C.push((0, num_vars + 1, Fq::one().to_bytes())); // 1*z
+        C.push((0, num_vars, (-Fq::from(13u64)).to_bytes())); // -13*1
+        C.push((0, num_vars + 3, (-Fq::one()).to_bytes())); // -1*b
+
+        // Var Assignments (Z_0 = 16 is the only output)
+        let vars = vec![Fq::zero().to_bytes(); num_vars];
+
+        // create an InputsAssignment (a = 1, b = 2)
+        let mut inputs = vec![Fq::zero().to_bytes(); num_inputs];
+        inputs[0] = Fq::from(16u64).to_bytes();
+        inputs[1] = Fq::from(1u64).to_bytes();
+        inputs[2] = Fq::from(2u64).to_bytes();
+
+        let assignment_inputs = InputsAssignment::new(&inputs).unwrap();
+        let assignment_vars = VarsAssignment::new(&vars).unwrap();
+
+        // Check if instance is satisfiable
+        let inst = Instance::new(num_cons, num_vars, num_inputs, &A, &B, &C).unwrap();
+        let res = inst.is_sat(&assignment_vars, &assignment_inputs);
+        assert!(res.unwrap(), "should be satisfied");
+
+        let gens = NIZKGens::new(num_cons, num_vars, num_inputs);
+
+        let mut prover_transcript = Transcript::new(b"test_verify");
+
+        let proof = NIZK::prove(
+            &inst,
+            assignment_vars,
+            &assignment_inputs,
+            &gens,
+            &mut prover_transcript,
+        );
+
+        verify_nizk::<1, 3>(&inst, &assignment_inputs.assignment, &proof, &gens);
+
+        // Verify the phase 1 zk-sumcheck  proof
+        let sc_proof_phase1: CVSumCheckProof<1, 4> =
+            proof.r1cs_sat_proof.sc_proof_phase1.to_circuit_val();
+
+        let r1cs_sat_proof = &proof.r1cs_sat_proof;
+        let claims_phase2 = &r1cs_sat_proof.claims_phase2;
+
+        let input = assignment_inputs
+            .assignment
+            .iter()
+            .map(|x| x.to_circuit_val())
+            .collect();
+
+        let circuit = HopliteCircuit::<4, 1, 2, 1> {
+            inst: inst.digest,
+            input,
+            comm_vars: r1cs_sat_proof.comm_vars.to_circuit_val(),
+            sc_proof_phase1: sc_proof_phase1,
+            sc_proof_phase2: r1cs_sat_proof.sc_proof_phase2.to_circuit_val(),
+            claims_phase2: (
+                Some(claims_phase2.0.to_circuit_val()),
+                Some(claims_phase2.1.to_circuit_val()),
+                Some(claims_phase2.2.to_circuit_val()),
+                Some(claims_phase2.3.to_circuit_val()),
+            ),
+            pok_claims_phase2: (
+                r1cs_sat_proof.pok_claims_phase2.0.to_circuit_val(),
+                r1cs_sat_proof.pok_claims_phase2.1.to_circuit_val(),
+            ),
+            proof_eq_sc_phase1: r1cs_sat_proof.proof_eq_sc_phase1.to_circuit_val(),
+            proof_eq_sc_phase2: r1cs_sat_proof.proof_eq_sc_phase2.to_circuit_val(),
+            comm_vars_at_ry: Some(r1cs_sat_proof.comm_vars_at_ry.to_circuit_val()),
+            proof_eval_vars_at_ry: r1cs_sat_proof.proof_eval_vars_at_ry.to_circuit_val(),
+            gens_pc_1: gens.gens_r1cs_sat.gens_pc.gens.gens_1.into(),
+            gens_pc_n: gens.gens_r1cs_sat.gens_pc.gens.gens_n.into(),
+            gens_sc_1: gens.gens_r1cs_sat.gens_sc.gens_1.into(),
+            gens_sc_3: gens.gens_r1cs_sat.gens_sc.gens_3.into(),
+            gens_sc_4: gens.gens_r1cs_sat.gens_sc.gens_4.into(),
+        };
+
+        circuit
+    }
+
+    #[test]
+    fn test_tiny_prove() {
+        // Convert ZkSumCheckProof into a HopliteCircuit
+        let circuit = tiny_circuit();
+
+        let k = 12;
+
+        let prover = MockProver::<Fr>::run(k, &circuit, vec![vec![]]).unwrap();
+        assert_eq!(prover.verify(), Ok(()));
+    }
+
+    #[test]
+    fn test_spartan_ecdsa_mock_prove() {
+        let circuit = spartan_ecdsa_circuit();
+        let k = 21;
+        let prover = MockProver::<Fr>::run(k, &circuit, vec![vec![]]).unwrap();
+        assert_eq!(prover.verify(), Ok(()));
+    }
+
+    #[test]
+    fn test_spartan_ecdsa_prove() -> Result<(), Box<dyn std::error::Error>> {
+        let circuit = spartan_ecdsa_circuit();
+        let params_gen_timer = start_timer!(|| "Parameters generation");
+        let params = gen_srs(21);
+        end_timer!(params_gen_timer);
+
+        let vkey_gen_timer = start_timer!(|| "Verification key generation");
+        let vk = keygen_vk(&params, &circuit)?;
+        end_timer!(vkey_gen_timer);
+
+        let pkey_gen_timer = start_timer!(|| "Proving key generation");
+        let pk = keygen_pk(&params, vk, &circuit)?;
+        end_timer!(pkey_gen_timer);
+        let mut rng = OsRng;
+
+        let target = Secq256k1Affine::generator() * secpq_curves::Fp::one();
+
+        let x_limbs: Vec<Fr> =
+            decompose_biguint(&BigUint::from_bytes_le(&target.x.to_bytes()), 3, 88);
+        let y_limbs: Vec<Fr> =
+            decompose_biguint(&BigUint::from_bytes_le(&target.y.to_bytes()), 3, 88);
+
+        let instances = vec![x_limbs, y_limbs].concat();
+
+        let mut transcript = Blake2bWrite::<_, _, Challenge255<_>>::init(vec![]);
+        let proving_timer = start_timer!(|| "Proving");
+        create_proof::<
+            KZGCommitmentScheme<Bn256>,
+            ProverSHPLONK<'_, Bn256>,
+            Challenge255<G1Affine>,
+            _,
+            Blake2bWrite<Vec<u8>, G1Affine, Challenge255<_>>,
+            _,
+        >(
+            &params,
+            &pk,
+            &[circuit],
+            &[&[instances.as_slice()]],
+            &mut rng,
+            &mut transcript,
+        )
+        .expect("prover should not fail");
+
+        let proof = transcript.finalize();
+        end_timer!(proving_timer);
+        println!("proof size: {}", proof.len());
+
+        let mut verifier_transcript = Blake2bRead::<_, G1Affine, Challenge255<_>>::init(&proof[..]);
+        let strategy = SingleStrategy::new(&params);
+
+        let verifier_params: ParamsVerifierKZG<Bn256> = params.verifier_params().clone();
+
+        verify_proof::<
+            KZGCommitmentScheme<Bn256>,
+            VerifierSHPLONK<'_, Bn256>,
+            Challenge255<G1Affine>,
+            Blake2bRead<&[u8], G1Affine, Challenge255<G1Affine>>,
+            SingleStrategy<'_, Bn256>,
+        >(
+            &verifier_params,
+            pk.get_vk(),
+            strategy,
+            &[&[instances.as_slice()]],
+            &mut verifier_transcript,
+        )
+        .expect("failed to verify bench circuit");
+
+        Ok(())
+    }
+}

packages/hoplite_circuit/src/transcript.rs

@@ -0,0 +1,59 @@
+use halo2_base::utils::PrimeField;
+use halo2_ecc::bigint::CRTInteger;
+use halo2_ecc::ecc::EcPoint;
+use halo2_proofs::circuit::Value;
+use libspartan::{
+    group::CompressedGroup,
+    transcript::{ProofTranscript, Transcript},
+};
+
+// TODO: Turn this into a transcript chip
+pub trait HopliteTranscript<'v, F: PrimeField> {
+    fn append_circuit_point(&mut self, label: &'static [u8], point: EcPoint<F, CRTInteger<'v, F>>);
+    fn append_circuit_fq(&mut self, label: &'static [u8], fe: CRTInteger<'v, F>);
+}
+
+impl<'v, F: PrimeField> HopliteTranscript<'v, F> for Transcript {
+    fn append_circuit_point(
+        &mut self,
+        label: &'static [u8],
+        circuit_point: EcPoint<F, CRTInteger<'v, F>>,
+    ) {
+        let mut x = [0u8; 32];
+        let _x = circuit_point.x.value.and_then(|val| {
+            let mut x_bytes = val.to_bytes_be().1;
+            x_bytes.resize(32, 0);
+            x = x_bytes.try_into().unwrap();
+            Value::known(val)
+        });
+
+        let mut y = [0u8; 32];
+        let _y = circuit_point.y.value.and_then(|val| {
+            let mut y_bytes = val.to_bytes_be().1;
+            y_bytes.resize(32, 0);
+            y = y_bytes.try_into().unwrap();
+            Value::known(val)
+        });
+
+        let point = if (x == [0u8; 32]) && (y == [0u8; 32]) {
+            CompressedGroup::identity()
+        } else {
+            CompressedGroup::from_affine_coordinates(&x.into(), &y.into(), true)
+        };
+
+        self.append_point(label, &point);
+    }
+
+    fn append_circuit_fq(&mut self, label: &'static [u8], fe: CRTInteger<'v, F>) {
+        // TODO: Not sure if this works!
+        let mut bytes = [0u8; 32];
+        let _ = fe.value.and_then(|val| {
+            let mut bytes_be = val.to_bytes_be().1;
+            bytes_be.resize(32, 0);
+            bytes = bytes_be.try_into().unwrap();
+            Value::known(val)
+        });
+
+        self.append_message(label, &bytes);
+    }
+}

packages/lib/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@personaelabs/spartan-ecdsa",
-  "version": "2.2.0",
+  "version": "2.0.0",
   "main": "./build/lib.js",
   "types": "./build/lib.d.ts",
   "license": "MIT",

packages/lib/src/core/membership_prover.ts

@@ -90,8 +90,7 @@ export class MembershipProver extends Profiler implements IProver {
     this.timeEnd("Generate witness");
 
     this.time("Load circuit");
-    const useRemoteCircuit = typeof window !== "undefined";
-    const circuitBin = await loadCircuit(this.circuit, useRemoteCircuit);
+    const circuitBin = await loadCircuit(this.circuit);
     this.timeEnd("Load circuit");
 
     // Get the public input in bytes

packages/lib/src/core/membership_verifier.ts

@@ -13,7 +13,6 @@ import { PublicInput, verifyEffEcdsaPubInput } from "../helpers/public_input";
  */
 export class MembershipVerifier extends Profiler implements IVerifier {
   circuit: string;
-  useRemoteCircuit: boolean;
 
   constructor(options: VerifyConfig) {
     super({ enabled: options?.enableProfiler });
@@ -31,8 +30,6 @@ export class MembershipVerifier extends Profiler implements IVerifier {
     }
 
     this.circuit = options.circuit;
-    this.useRemoteCircuit =
-      options.useRemoteCircuit ?? typeof window !== "undefined";
   }
 
   async initWasm() {
@@ -44,7 +41,7 @@ export class MembershipVerifier extends Profiler implements IVerifier {
     publicInputSer: Uint8Array
   ): Promise<boolean> {
     this.time("Load circuit");
-    const circuitBin = await loadCircuit(this.circuit, this.useRemoteCircuit);
+    const circuitBin = await loadCircuit(this.circuit);
     this.timeEnd("Load circuit");
 
     this.time("Verify public input");

packages/lib/src/helpers/tree.ts

@@ -1,6 +1,7 @@
 import { IncrementalMerkleTree } from "@zk-kit/incremental-merkle-tree";
 import { Poseidon } from "./poseidon";
 import { MerkleProof } from "../types";
+import { bytesToBigInt } from "./utils";
 
 export class Tree {
   depth: number;
@@ -37,14 +38,17 @@ export class Tree {
 
   createProof(index: number): MerkleProof {
     const proof = this.treeInner.createProof(index);
+
+    const siblings = proof.siblings.map(s =>
+      typeof s[0] === "bigint" ? s : bytesToBigInt(s[0])
+    );
+
     return {
-      siblings: proof.siblings,
+      siblings,
       pathIndices: proof.pathIndices,
       root: proof.root
     };
   }
 
-  verifyProof(proof: MerkleProof, leaf: bigint): boolean {
-    return this.treeInner.verifyProof({ ...proof, leaf });
-  }
+  // TODO: Add more functions that expose the IncrementalMerkleTree API
 }

packages/lib/src/helpers/utils.ts

@@ -18,8 +18,9 @@ export const snarkJsWitnessGen = async (input: any, wasmFile: string) => {
 /**
  * Load a circuit from a file or URL
  */
-export const loadCircuit = async (pathOrUrl: string, useRemoteCircuit: boolean): Promise<Uint8Array> => {
-  if (useRemoteCircuit) {
+export const loadCircuit = async (pathOrUrl: string): Promise<Uint8Array> => {
+  const isWeb = typeof window !== "undefined";
+  if (isWeb) {
     return await fetchCircuit(pathOrUrl);
   } else {
     return await readCircuitFromFs(pathOrUrl);

packages/lib/src/types.ts

@@ -5,7 +5,7 @@ import { PublicInput } from "./helpers/public_input";
 // library users can choose whatever merkle tree management method they want.
 export interface MerkleProof {
   root: bigint;
-  siblings: [bigint][];
+  siblings: bigint[];
   pathIndices: number[];
 }
 export interface EffECDSAPubInput {
@@ -29,7 +29,6 @@ export interface ProverConfig {
 export interface VerifyConfig {
   circuit: string; // Path to circuit file compiled by Nova-Scotia
   enableProfiler?: boolean;
-  useRemoteCircuit?: boolean;
 }
 
 export interface IProver {

packages/lib/src/wasm/wasm.d.ts

@@ -26,16 +26,18 @@ export function poseidon(input_bytes: Uint8Array): Uint8Array;
 export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
 
 export interface InitOutput {
-  readonly memory: WebAssembly.Memory;
   readonly prove: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
   readonly verify: (a: number, b: number, c: number, d: number, e: number, f: number, g: number) => void;
   readonly poseidon: (a: number, b: number, c: number) => void;
   readonly init_panic_hook: () => void;
+  readonly memory: WebAssembly.Memory;
   readonly __wbindgen_add_to_stack_pointer: (a: number) => number;
   readonly __wbindgen_malloc: (a: number) => number;
   readonly __wbindgen_free: (a: number, b: number) => void;
   readonly __wbindgen_exn_store: (a: number) => void;
   readonly __wbindgen_realloc: (a: number, b: number, c: number) => number;
+  readonly __wbindgen_thread_destroy: () => void;
+  readonly __wbindgen_start: () => void;
 }
 
 export type SyncInitInput = BufferSource | WebAssembly.Module;
@@ -44,10 +46,12 @@ export type SyncInitInput = BufferSource | WebAssembly.Module;
 * a precompiled `WebAssembly.Module`.
 *
 * @param {SyncInitInput} module
+* @param {WebAssembly.Memory} maybe_memory
 *
 * @returns {InitOutput}
 */
-export function initSync(module: SyncInitInput): InitOutput;
+export function initSync(module: SyncInitInput, maybe_memory?: WebAssembly.Memory): InitOutput;
+
 /**
 * If `module_or_path` is {RequestInfo} or {URL}, makes a request and
 * for everything else, calls `WebAssembly.instantiate` directly.
@@ -57,4 +61,4 @@ export function initSync(module: SyncInitInput): InitOutput;
 *
 * @returns {Promise<InitOutput>}
 */
-export default function __wbg_init (module_or_path?: InitInput | Promise<InitInput>, maybe_memory?: WebAssembly.Memory): Promise<InitOutput>;
+export default function init (module_or_path?: InitInput | Promise<InitInput>, maybe_memory?: WebAssembly.Memory): Promise<InitOutput>;

packages/lib/src/wasm/wasm.js

@@ -20,22 +20,21 @@ function takeObject(idx) {
     return ret;
 }
 
-const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );
+const cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
 
-if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };
+cachedTextDecoder.decode();
 
 let cachedUint8Memory0 = null;
 
 function getUint8Memory0() {
-    if (cachedUint8Memory0 === null || cachedUint8Memory0.byteLength === 0) {
+    if (cachedUint8Memory0 === null || cachedUint8Memory0.buffer !== wasm.memory.buffer) {
         cachedUint8Memory0 = new Uint8Array(wasm.memory.buffer);
     }
     return cachedUint8Memory0;
 }
 
 function getStringFromWasm0(ptr, len) {
-    ptr = ptr >>> 0;
-    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
+    return cachedTextDecoder.decode(getUint8Memory0().slice(ptr, ptr + len));
 }
 
 function addHeapObject(obj) {
@@ -55,7 +54,7 @@ export function init_panic_hook() {
 let WASM_VECTOR_LEN = 0;
 
 function passArray8ToWasm0(arg, malloc) {
-    const ptr = malloc(arg.length * 1) >>> 0;
+    const ptr = malloc(arg.length * 1);
     getUint8Memory0().set(arg, ptr / 1);
     WASM_VECTOR_LEN = arg.length;
     return ptr;
@@ -64,14 +63,13 @@ function passArray8ToWasm0(arg, malloc) {
 let cachedInt32Memory0 = null;
 
 function getInt32Memory0() {
-    if (cachedInt32Memory0 === null || cachedInt32Memory0.byteLength === 0) {
+    if (cachedInt32Memory0 === null || cachedInt32Memory0.buffer !== wasm.memory.buffer) {
         cachedInt32Memory0 = new Int32Array(wasm.memory.buffer);
     }
     return cachedInt32Memory0;
 }
 
 function getArrayU8FromWasm0(ptr, len) {
-    ptr = ptr >>> 0;
     return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
 }
 /**
@@ -97,9 +95,9 @@ export function prove(circuit, vars, public_inputs) {
         if (r3) {
             throw takeObject(r2);
         }
-        var v4 = getArrayU8FromWasm0(r0, r1).slice();
+        var v3 = getArrayU8FromWasm0(r0, r1).slice();
         wasm.__wbindgen_free(r0, r1 * 1);
-        return v4;
+        return v3;
     } finally {
         wasm.__wbindgen_add_to_stack_pointer(16);
     }
@@ -150,9 +148,9 @@ export function poseidon(input_bytes) {
         if (r3) {
             throw takeObject(r2);
         }
-        var v2 = getArrayU8FromWasm0(r0, r1).slice();
+        var v1 = getArrayU8FromWasm0(r0, r1).slice();
         wasm.__wbindgen_free(r0, r1 * 1);
-        return v2;
+        return v1;
     } finally {
         wasm.__wbindgen_add_to_stack_pointer(16);
     }
@@ -166,33 +164,29 @@ function handleError(f, args) {
     }
 }
 
-const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );
+const cachedTextEncoder = new TextEncoder('utf-8');
 
-const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
-    ? function (arg, view) {
-    return cachedTextEncoder.encodeInto(arg, view);
-}
-    : function (arg, view) {
+const encodeString = function (arg, view) {
     const buf = cachedTextEncoder.encode(arg);
     view.set(buf);
     return {
         read: arg.length,
         written: buf.length
     };
-});
+};
 
 function passStringToWasm0(arg, malloc, realloc) {
 
     if (realloc === undefined) {
         const buf = cachedTextEncoder.encode(arg);
-        const ptr = malloc(buf.length) >>> 0;
+        const ptr = malloc(buf.length);
         getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
         WASM_VECTOR_LEN = buf.length;
         return ptr;
     }
 
     let len = arg.length;
-    let ptr = malloc(len) >>> 0;
+    let ptr = malloc(len);
 
     const mem = getUint8Memory0();
 
@@ -208,7 +202,7 @@ function passStringToWasm0(arg, malloc, realloc) {
         if (offset !== 0) {
             arg = arg.slice(offset);
         }
-        ptr = realloc(ptr, len, len = offset + arg.length * 3) >>> 0;
+        ptr = realloc(ptr, len, len = offset + arg.length * 3);
         const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
         const ret = encodeString(arg, view);
 
@@ -219,7 +213,7 @@ function passStringToWasm0(arg, malloc, realloc) {
     return ptr;
 }
 
-async function __wbg_load(module, imports) {
+async function load(module, imports) {
     if (typeof Response === 'function' && module instanceof Response) {
         if (typeof WebAssembly.instantiateStreaming === 'function') {
             try {
@@ -250,10 +244,19 @@ async function __wbg_load(module, imports) {
     }
 }
 
-function __wbg_get_imports() {
+function getImports() {
     const imports = {};
     imports.wbg = {};
-    imports.wbg.__wbg_crypto_70a96de3b6b73dac = function(arg0) {
+    imports.wbg.__wbg_randomFillSync_6894564c2c334c42 = function() { return handleError(function (arg0, arg1, arg2) {
+        getObject(arg0).randomFillSync(getArrayU8FromWasm0(arg1, arg2));
+    }, arguments) };
+    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
+        takeObject(arg0);
+    };
+    imports.wbg.__wbg_getRandomValues_805f1c3d65988a5a = function() { return handleError(function (arg0, arg1) {
+        getObject(arg0).getRandomValues(getObject(arg1));
+    }, arguments) };
+    imports.wbg.__wbg_crypto_e1d53a1d73fb10b8 = function(arg0) {
         const ret = getObject(arg0).crypto;
         return addHeapObject(ret);
     };
@@ -262,15 +265,15 @@ function __wbg_get_imports() {
         const ret = typeof(val) === 'object' && val !== null;
         return ret;
     };
-    imports.wbg.__wbg_process_dd1577445152112e = function(arg0) {
+    imports.wbg.__wbg_process_038c26bf42b093f8 = function(arg0) {
         const ret = getObject(arg0).process;
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_versions_58036bec3add9e6f = function(arg0) {
+    imports.wbg.__wbg_versions_ab37218d2f0b24a8 = function(arg0) {
         const ret = getObject(arg0).versions;
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_node_6a9d28205ed5b0d8 = function(arg0) {
+    imports.wbg.__wbg_node_080f4b19d15bc1fe = function(arg0) {
         const ret = getObject(arg0).node;
         return addHeapObject(ret);
     };
@@ -278,14 +281,11 @@ function __wbg_get_imports() {
         const ret = typeof(getObject(arg0)) === 'string';
         return ret;
     };
-    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
-        takeObject(arg0);
-    };
-    imports.wbg.__wbg_msCrypto_adbc770ec9eca9c7 = function(arg0) {
+    imports.wbg.__wbg_msCrypto_6e7d3e1f92610cbb = function(arg0) {
         const ret = getObject(arg0).msCrypto;
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_require_f05d779769764e82 = function() { return handleError(function () {
+    imports.wbg.__wbg_require_78a3dcfbdba9cbce = function() { return handleError(function () {
         const ret = module.require;
         return addHeapObject(ret);
     }, arguments) };
@@ -297,17 +297,11 @@ function __wbg_get_imports() {
         const ret = getStringFromWasm0(arg0, arg1);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_getRandomValues_3774744e221a22ad = function() { return handleError(function (arg0, arg1) {
-        getObject(arg0).getRandomValues(getObject(arg1));
-    }, arguments) };
-    imports.wbg.__wbg_randomFillSync_e950366c42764a07 = function() { return handleError(function (arg0, arg1) {
-        getObject(arg0).randomFillSync(takeObject(arg1));
-    }, arguments) };
-    imports.wbg.__wbg_newnoargs_e643855c6572a4a8 = function(arg0, arg1) {
+    imports.wbg.__wbg_newnoargs_2b8b6bd7753c76ba = function(arg0, arg1) {
         const ret = new Function(getStringFromWasm0(arg0, arg1));
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_call_f96b398515635514 = function() { return handleError(function (arg0, arg1) {
+    imports.wbg.__wbg_call_95d1ea488d03e4e8 = function() { return handleError(function (arg0, arg1) {
         const ret = getObject(arg0).call(getObject(arg1));
         return addHeapObject(ret);
     }, arguments) };
@@ -315,19 +309,19 @@ function __wbg_get_imports() {
         const ret = getObject(arg0);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_self_b9aad7f1c618bfaf = function() { return handleError(function () {
+    imports.wbg.__wbg_self_e7c1f827057f6584 = function() { return handleError(function () {
         const ret = self.self;
         return addHeapObject(ret);
     }, arguments) };
-    imports.wbg.__wbg_window_55e469842c98b086 = function() { return handleError(function () {
+    imports.wbg.__wbg_window_a09ec664e14b1b81 = function() { return handleError(function () {
         const ret = window.window;
         return addHeapObject(ret);
     }, arguments) };
-    imports.wbg.__wbg_globalThis_d0957e302752547e = function() { return handleError(function () {
+    imports.wbg.__wbg_globalThis_87cbb8506fecf3a9 = function() { return handleError(function () {
         const ret = globalThis.globalThis;
         return addHeapObject(ret);
     }, arguments) };
-    imports.wbg.__wbg_global_ae2f87312b8987fb = function() { return handleError(function () {
+    imports.wbg.__wbg_global_c85a9259e621f3db = function() { return handleError(function () {
         const ret = global.global;
         return addHeapObject(ret);
     }, arguments) };
@@ -335,30 +329,30 @@ function __wbg_get_imports() {
         const ret = getObject(arg0) === undefined;
         return ret;
     };
-    imports.wbg.__wbg_call_35782e9a1aa5e091 = function() { return handleError(function (arg0, arg1, arg2) {
+    imports.wbg.__wbg_call_9495de66fdbe016b = function() { return handleError(function (arg0, arg1, arg2) {
         const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
         return addHeapObject(ret);
     }, arguments) };
-    imports.wbg.__wbg_buffer_fcbfb6d88b2732e9 = function(arg0) {
+    imports.wbg.__wbg_buffer_cf65c07de34b9a08 = function(arg0) {
         const ret = getObject(arg0).buffer;
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_newwithbyteoffsetandlength_92c251989c485785 = function(arg0, arg1, arg2) {
-        const ret = new Uint8Array(getObject(arg0), arg1 >>> 0, arg2 >>> 0);
-        return addHeapObject(ret);
-    };
-    imports.wbg.__wbg_new_bc5d9aad3f9ac80e = function(arg0) {
+    imports.wbg.__wbg_new_537b7341ce90bb31 = function(arg0) {
         const ret = new Uint8Array(getObject(arg0));
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_set_4b3aa8445ac1e91c = function(arg0, arg1, arg2) {
+    imports.wbg.__wbg_set_17499e8aa4003ebd = function(arg0, arg1, arg2) {
         getObject(arg0).set(getObject(arg1), arg2 >>> 0);
     };
-    imports.wbg.__wbg_newwithlength_89eca18f2603a999 = function(arg0) {
+    imports.wbg.__wbg_length_27a2afe8ab42b09f = function(arg0) {
+        const ret = getObject(arg0).length;
+        return ret;
+    };
+    imports.wbg.__wbg_newwithlength_b56c882b57805732 = function(arg0) {
         const ret = new Uint8Array(arg0 >>> 0);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbg_subarray_7649d027b2b141b3 = function(arg0, arg1, arg2) {
+    imports.wbg.__wbg_subarray_7526649b91a252a6 = function(arg0, arg1, arg2) {
         const ret = getObject(arg0).subarray(arg1 >>> 0, arg2 >>> 0);
         return addHeapObject(ret);
     };
@@ -368,20 +362,16 @@ function __wbg_get_imports() {
     };
     imports.wbg.__wbg_stack_658279fe44541cf6 = function(arg0, arg1) {
         const ret = getObject(arg1).stack;
-        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
-        const len1 = WASM_VECTOR_LEN;
-        getInt32Memory0()[arg0 / 4 + 1] = len1;
-        getInt32Memory0()[arg0 / 4 + 0] = ptr1;
+        const ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len0 = WASM_VECTOR_LEN;
+        getInt32Memory0()[arg0 / 4 + 1] = len0;
+        getInt32Memory0()[arg0 / 4 + 0] = ptr0;
     };
     imports.wbg.__wbg_error_f851667af71bcfc6 = function(arg0, arg1) {
-        let deferred0_0;
-        let deferred0_1;
         try {
-            deferred0_0 = arg0;
-            deferred0_1 = arg1;
             console.error(getStringFromWasm0(arg0, arg1));
         } finally {
-            wasm.__wbindgen_free(deferred0_0, deferred0_1);
+            wasm.__wbindgen_free(arg0, arg1);
         }
     };
     imports.wbg.__wbindgen_throw = function(arg0, arg1) {
@@ -395,60 +385,57 @@ function __wbg_get_imports() {
     return imports;
 }
 
-function __wbg_init_memory(imports, maybe_memory) {
-
+function initMemory(imports, maybe_memory) {
+    imports.wbg.memory = maybe_memory || new WebAssembly.Memory({initial:18,maximum:65536,shared:true});
 }
 
-function __wbg_finalize_init(instance, module) {
+function finalizeInit(instance, module) {
     wasm = instance.exports;
-    __wbg_init.__wbindgen_wasm_module = module;
+    init.__wbindgen_wasm_module = module;
     cachedInt32Memory0 = null;
     cachedUint8Memory0 = null;
 
-
+    wasm.__wbindgen_start();
     return wasm;
 }
 
 async function initSync(module, maybe_memory) {
-    if (wasm !== undefined) return wasm;
+    if (!wasm) {
+        const imports = getImports();
 
-    const imports = __wbg_get_imports();
-
-    __wbg_init_memory(imports, maybe_memory);
-
-     /*
-    if (!(module instanceof WebAssembly.Module)) {
-        module = new WebAssembly.Module(module);
-    }
-    */
-    const compiled = WebAssembly.compile(module);
-
-    const instance = await WebAssembly.instantiate(await compiled, imports);
+        initMemory(imports, maybe_memory);
     
-
-    return __wbg_finalize_init(instance, module);
+        /*
+        if (!(module instanceof WebAssembly.Module)) {
+            module = new WebAssembly.Module(module);
+        }
+        */
+       const compiled = WebAssembly.compile(module);
+    
+        const instance = await WebAssembly.instantiate(await compiled, imports);
+    
+        return finalizeInit(instance, module);
+    }
 }
 
-async function __wbg_init(input, maybe_memory) {
-    if (wasm !== undefined) return wasm;
-
+async function init(input, maybe_memory) {
     /*
     if (typeof input === 'undefined') {
         input = new URL('spartan_wasm_bg.wasm', import.meta.url);
     }
     */
-    const imports = __wbg_get_imports();
+    const imports = getImports();
 
     if (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
         input = fetch(input);
     }
 
-    __wbg_init_memory(imports, maybe_memory);
+    initMemory(imports, maybe_memory);
 
-    const { instance, module } = await __wbg_load(await input, imports);
+    const { instance, module } = await load(await input, imports);
 
-    return __wbg_finalize_init(instance, module);
+    return finalizeInit(instance, module);
 }
 
 export { initSync }
-export default __wbg_init;
+export default init;

packages/lib/tests/tree.test.ts

@@ -1,31 +0,0 @@
-import { Tree, Poseidon } from "../src/lib";
-
-describe("Merkle tree prove and verify", () => {
-  let poseidon: Poseidon;
-  let tree: Tree;
-  const members = new Array(10).fill(0).map((_, i) => BigInt(i));
-
-  beforeAll(async () => {
-    // Init Poseidon
-    poseidon = new Poseidon();
-    await poseidon.initWasm();
-    const treeDepth = 20;
-
-    tree = new Tree(treeDepth, poseidon);
-    for (const member of members) {
-      tree.insert(member);
-    }
-  });
-
-  it("should prove and verify a valid Merkle proof", async () => {
-    const proof = tree.createProof(0);
-    expect(tree.verifyProof(proof, members[0])).toBe(true);
-  });
-
-  it("should assert an invalid Merkle proof", async () => {
-    const proof = tree.createProof(0);
-    proof.siblings[0][0] = proof.siblings[0][0] += BigInt(1);
-    expect(tree.verifyProof(proof, members[0])).toBe(false);
-    proof.siblings[0][0] = proof.siblings[0][0] -= BigInt(1);
-  });
-});

packages/poseidon/Cargo.toml

@@ -10,7 +10,6 @@ hex = "0.4.3"
 hex-literal = "0.3.4"
 secq256k1 = { path = "../secq256k1" }
 getrandom = { version = "0.2.8", features = ["js"] }
-lazy_static = "1.4.0"
 #typenum = { version = "1.16.0", optional = true }
 #neptune = { version = "8.1.0", optional = true }
 #blstrs = { version = "0.6.0", optional = true }

packages/poseidon/src/k256_consts.rs

@@ -1,224 +1,215 @@
-use ff::PrimeField;
-use lazy_static::lazy_static;
-pub use secq256k1::field::field_secp::FieldElement;
+pub const NUM_FULL_ROUNDS: usize = 8;
+pub const NUM_PARTIAL_ROUNDS: usize = 56;
 
-pub(crate) const NUM_FULL_ROUNDS: usize = 8;
-pub(crate) const NUM_PARTIAL_ROUNDS: usize = 56;
+pub static MDS_MATRIX: &'static [[&str; 3]; 3] = &[
+    [
+        "92469348809186613947252340883344274339611751744959319352506666082431267346705",
+        "100938028378191533449096235266991198229563815869344032449592738345766724371160",
+        "77486311749148948616988559783475694076613010381924638436641318334458515006661",
+    ],
+    [
+        "110352262556914082363749654180080464794716701228558638957603951672835474954408",
+        "27607004873684391669404739690441550149894883072418944161048725383958774443141",
+        "29671705769502357195586268679831947082918094959101307962374709600277676341325",
+    ],
+    [
+        "77762103796341032609398578911486222569419103128091016773380377798879650228751",
+        "1753012011204964731088925227042671869111026487299375073665493007998674391999",
+        "70274477372358662369456035572054501601454406272695978931839980644925236550307",
+    ],
+];
 
-lazy_static! {
-    pub(crate) static ref MDS_MATRIX: [[FieldElement; 3]; 3] = [
-        [
-            "92469348809186613947252340883344274339611751744959319352506666082431267346705",
-            "100938028378191533449096235266991198229563815869344032449592738345766724371160",
-            "77486311749148948616988559783475694076613010381924638436641318334458515006661",
-        ]
-        .map(|y| FieldElement::from_str_vartime(y).unwrap()),
-        [
-            "110352262556914082363749654180080464794716701228558638957603951672835474954408",
-            "27607004873684391669404739690441550149894883072418944161048725383958774443141",
-            "29671705769502357195586268679831947082918094959101307962374709600277676341325",
-        ]
-        .map(|y| FieldElement::from_str_vartime(y).unwrap()),
-        [
-            "77762103796341032609398578911486222569419103128091016773380377798879650228751",
-            "1753012011204964731088925227042671869111026487299375073665493007998674391999",
-            "70274477372358662369456035572054501601454406272695978931839980644925236550307",
-        ]
-        .map(|y| FieldElement::from_str_vartime(y).unwrap()),
-    ];
-    pub(crate) static ref ROUND_CONSTANTS: [FieldElement; 192] = [
-        "15180568604901803243989155929934437997245952775071395385994322939386074967328",
-        "98155933184944822056372510812105826951789406432246960633912199752807271851218",
-        "32585497418154084368870158853355239726261349829448673320273043226636389078017",
-        "66713968576806622579829258440960693099797917756640662361943757758980796487698",
-        "61296025743283504825054745787375839406507895949474930140819919915792438454216",
-        "64548089412749542282115556935384382035671782881737715696939837764375912217104",
-        "108421562972909537718478936575770973463273651828765393113349044862621092658552",
-        "93957623861448681916560847065407918286434708744548934125771289238599801659600",
-        "31886767595881910145119755249133120645312710313371225820300496900248094187131",
-        "36511615103248888903406040506250394762206798360602726106046630438239169384653",
-        "21193239787133737740669439860809806837993750509086389566475677877580362491125",
-        "15159189447883181997488877417695825734356570617827322308691834229181804753656",
-        "19272373877630561389686073945290625876718814210798194797601715657476609730306",
-        "23132197996397121955527964729507651432518694856862854469217474256539272053037",
-        "9869753235007825662020275771343858285582964429845049469800863115040150206544",
-        "36536341316285671890133896506951910369952562161551585116256678375995315827743",
-        "62582239167707347777855528698896708360409296899261565735324151945083720570858",
-        "96597358901965097853721114962031771931271685249979807653919643952343419105640",
-        "99475971754252188104003224702005940217163363685728394033034788135108600073953",
-        "52080483875928847502018688921126796935417602445765802481027972679966274137987",
-        "101922748752417217354391348649359865075718358385248454632698502400961567227929",
-        "26980595292132221181330746499613907829041623688147011560382352796984836870749",
-        "7059991836806083192408106370472821784612460308866802565871813230060135266390",
-        "19329812920723038526370491239817117039289784665617181727933894076969997926129",
-        "65570620823578601926240439251563587376966657231502120214692324496443514623818",
-        "58403733332589349613112270854204921427257113546270812628317365115158685715742",
-        "45021021211732634759643776743541935700591354899980928498981462362035961745443",
-        "313468157086800401026946312285365733155132234906935411743639256319782592571",
-        "101316949793045093761117346380310841944294663456931203380573537653884068660109",
-        "23683935571424619534194393788101669168630123784066421490798386323411538828592",
-        "45470730427236677197026094498490008082250264942279323465121581539984407294442",
-        "48141067373531800337373447278127981363951468257064369512416205750641258258193",
-        "42554919225040466028330117313396362347164995917041931400909482795914116747618",
-        "11551941832988244108260444347046942236051939264069344013774353630451796870907",
-        "60185799182545404739011626517355854847787627814101363386450657535504094743765",
-        "81823160578900678880708744457872721685515019032370491632046212317701226128393",
-        "7165646831054215773988859638722974820791178194871546344315162343128362695647",
-        "75289707601640398424243937567716657896680380639974371761136292031415717685949",
-        "7150842764562742184396161198129263121409208675362553300851082062734889620953",
-        "24380904705269761063866540342138412601132455197711667167747524315310027386226",
-        "9728986075621437350131504894128984146939551938810073671231633620616345344412",
-        "10579382052089733216628873394134968879891026686695240299956972154694558493896",
-        "8171994519466002143995890536756742287314780571933910736618431096190430536601",
-        "30420144259409274775063072923609924427757612539094840146996944760708902708570",
-        "63962155989812703023698320394024694856871261481871757094333286947755599007133",
-        "25280070391177856032024336895094721131222985610587247589336316615596140400436",
-        "15305872319988027006162258914083163651002306183917888172691618513722838997098",
-        "51545603291342006705870081001071419395633279951502747769141857387796043104608",
-        "91109680756552587805002537489407348773333405839144382221272597323798859182191",
-        "72175452855185658158184807496160149169667221240389196996344579971523681433202",
-        "30361989157454953234766224747536334157139256334148153290771332849307087761025",
-        "38169634499980959088614671703639492517637815232220682121652135514105493936992",
-        "49591153263237620796156788742811547511792615129981565620486914545749079774827",
-        "47403873018260745456113868791119169163627014766514972598212646481717066065016",
-        "93989849689047144228924801010853106857960399638657695410345207191739048300111",
-        "10590240512802509131776989274411792739339398409955259174829387591089799115255",
-        "29183703335869638067547208413224742887766212046438654772943025958628178245227",
-        "4131650227136944095885036960767735080970262672750406866066212532739784907379",
-        "43395510588213653537697670365796375057855260611965666448183946252832290017444",
-        "95246795133940226900907730059125298420936467652619708443128629427116119621152",
-        "6012209003558496814495903476753006089125143165365334812097313083703216071080",
-        "26183233284429251459198269925441295879550203824094631575778521083706115817955",
-        "26058994700533582730528567480051558438548299522338811756875396252016497202713",
-        "107240485663145290290374164860301805857261278222480421976433215167444496066511",
-        "84412820763898503096477800002865877536719992495674955119188074297975154406587",
-        "52386303852182662900790700046090769869460994629239741773176060026198900130384",
-        "95746062835936512160025091603469309809932540674474329021370075533568318932379",
-        "22711334660013961010382652754865456251782349529764119853461446587583972054666",
-        "16959835233095757670013367728627149851239789174357906293937455553277911805495",
-        "15116421110200928832147360650392633091242147433006813656250997138988179879750",
-        "107878787525302837370688492081178689950008165750500003692400517211520334656293",
-        "44210105558575948369921579518078229089923760124167628288943900602376706136436",
-        "90305995748749060889452130219544332384396626628663475498252761213618628372367",
-        "104941997925797907872686462815914481945432760720471803254797908465921520138024",
-        "100036855232527386145662094141100441220151775745916101660987264242446845728894",
-        "103285582836474146806606752170525767341430483568396209591447274936228630298052",
-        "82197692939371228160449741709034077803239992888716859217989995857278406253737",
-        "10040764964044995095453717286623030376397745892179877153575434454090155545240",
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-        "42627232144930751842910170221862679057276668485045156742021958050665662768084",
-        "76972394926916659428228833084621905890924612368412796262119501852346293848159",
-        "39796921406297542196667238133893946368231540421737718098283349901435707131075",
-        "14745047092916651495052563068083093689676472592445845983334785004125684263162",
-        "43421479365783318841667739359312715738029447177150400204380817518608837765863",
-        "107871536756946365977710326147511195471121248998432910212631960353348700694610",
-        "39505942243687894211614489736115535754716239859353578295470352855493707198619",
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-        "15044796858044094866329855531761112645684343559112419720568996573556805975600",
-        "67157729293641241473980125231288476062565688273917759533572275886277269201651",
-        "72911083146182058225942884942982388217243826839805061121973109250798137784134",
-        "102973386186208530972563015865701244407271836208547629083437627219683649557477",
-        "57485522356347377122696081086816661784954498123948319434326439317393351620564",
-        "23112275556906805064863694321486306070917598599342299357379251070160695202292",
-        "107618884362423342584703700349292347754139538760798319916678240538294838342400",
-        "83961260400031958812820990908241261093246389047082613562825737834833753517337",
-        "42726953951733266282750892844947149703751388034177248277671157488506520215317",
-        "39379570934119946602507737250800178347029772561352879974941214627084076473292",
-        "72203650529122342092280763801468513707870760755235719535090090101623606334441",
-        "13389660788942842724553143053013919883368472759564135119390935439369513690496",
-        "101745263541280877725997503552978999350831489463993178838531539940805924817361",
-        "76849182334465191824607032600721023780793694103840553871800174717760598910761",
-        "53896256317996838683363773836826653859512780625932638736752563553878867538095",
-        "24688792501674999263943657175455335814404948006469220532686392550824320454904",
-        "69132683906595821927803530074656979217668636557563597358799899743174233903941",
-        "2861982085506615225917620192781928414994576134281371548401916333754363567986",
-        "37311353286221616083824584705974993449107063556724405440534160586561042968316",
-        "83718085796857523832195255218519255973031752296424117786202083986118546906913",
-        "103633177691684814414226251117070754499104739002759424774194851613917008856616",
-        "84968411062305024171594435878414659990735518025357685215223731503921265946461",
-        "41865099330909055069143724769818364262362915440371474104937435863183989905059",
-        "46156624920251322979270606388518884047396423747179340919303543598300663968593",
-        "64416327466854458915398302811825971539792429791049027619471115285308743811583",
-        "94942471312481523091911417289540395651121558150571128515230470225155209280585",
-        "109682618775735319282534546194470743032129102295907200313471041846112653687024",
-        "61531999191737540795124202104235799899980935519651613893518293245268304980543",
-        "17797352534596268622733030076742840951214734697361029060619245779495726996632",
-        "2323150752778983462106829021155031678603044899339819935981200101818542000989",
-        "16998018904363448507967526489917057882529252665835717172712095240271574074587",
-        "110634872413902251217040490777568744431854972018399530234679399294372694506842",
-        "31639545145649753705216327198217551838008233610574104460826956396569310697060",
-        "107845103764339268987018917144483935480716224058844669233389185480836000033760",
-        "46240297572174662698030819651333060930818959915797061274854448535534474175039",
-        "53065607123105696930220421963755520777674094852857308823370049733888025985616",
-        "16931881300947470270453776207625163368485560075525342751440832370220475352149",
-        "79254110800481916763656344422402393723573490114487681345184594841431920461089",
-        "42268569642639492314994307446626647824927989776691987788682655102426770655233",
-        "9749633319307409894058984489496091535125232227316143918000642155415596066903",
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-        "17957245764842844288802777667800779232762688847417238921175068882796163705248",
-        "94356229516444419318132697346021621194464273500135725160277725602263001442644",
-        "52536631226748676066386651084538409050048707922045928887930261833545619358914",
-        "107794922118166328243581272159394479176678094739027519706768813902978100436849",
-        "92984368734102511759118281503078145182557799453616537383408606074187034371208",
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-        "49012645345644326995052653072578673750516379655033952006121214224119466671764",
-        "79025576845143484310735291619293962982804358365838961371044480386743856799994",
-        "5437377540613244374799729812489584777222423091155743557287567155811057717409",
-        "100687592213090267900708728796310211082532607828753010566886681655775031329660",
-        "99074462968857696481475128596339544396152341206708424767062829343406495063192",
-        "67476872698289965626550204192782761730653024363949045140720348870736942130242",
-        "103307125141718054130755829916960708430672826104789971350239945481960770107890",
-        "74087383014714668160537499936376991041273055222568604413015844459913259357334",
-        "40924049099780965904051946083599822761993164889139026432053420731164022206736",
-        "32594924940463736641240515015317856157169105212942308502676422036626316673214",
-        "98990663138035055774586216545398054668349058134877723031747421828753359974443",
-        "55821766022768786066770462759796825978667805772707620106340033118519147871694",
-        "4001942224536365489828915551180230767516454384395893814399938353050969198154",
-        "30136373426492646221252150708518703998248891683881870400906269276900707426865",
-        "34943205764464817266133164313915763122699935186597909347522822673832250079664",
-        "27737330737483170511275902246508559278973986181590368845166383812793468814968",
-        "96292398813565494438359802278723334615526914389306923046282571355958508916558",
-        "97147334956505986101750230325438660094766812949748276042292963837380833668274",
-        "24754519562402723848413674701792328284127274989440581643644298347747941238812",
-        "76111103490248669364580390783887028636436246028943665707064153006971943621186",
-        "33764090322658516047637223655525551979364055499647855895233821795694749902854",
-        "100536990630540359004783976190215234627391515555181073681294901127179838732969",
-        "55991997435987096996680289872758998763908676069536901375395297778729059185671",
-        "32860959903680178324832991459746631238726690317249285658471597044247794502256",
-        "70074816806976994707467706079200635184034023598764203123459335544110485476930",
-        "46213940675829172331116620705134022102338250410334045747023950259088879662946",
-        "77000624259024986585504351395777746568094934279771127334532438603183524642061",
-        "21719649576090832101273013788716623377603297433777804572370785470329817725170",
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-        "2445742484263083651472035320255578071935687960412507452207899496253120999364",
-        "86846812580007547526361109808384103509272544750564766849178767957571523649544",
-        "43025640639926253696325070988523609146060819319830735794100778654425057363895",
-        "108957662689228031021948854644435971168708642184764962508575441689859324862868",
-        "83891545396650121758556392255189778590486277180642660527000882403085396114823",
-        "42527013475786190604202451803064937203698027000671529418992521798122995373551",
-        "115180194520889678365425151865713593680657747284471744934804370945935167043862",
-        "28979598171177052880917135045920701144584888536299261666846302083645491369348",
-        "68351312608110279019109436395199010412431777911149851157132527077210966351650",
-        "61759623963943995967580147094342313397376358019837276043205235302342147116585",
-        "80714625408576660514217469096827255752431164791924432025682445176737446783085",
-        "33048555646676368266608424610100449208381357250300222636992099726804869416731",
-        "50682223610667325089810868083131721901859473966415125289975106060759036109476",
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-        "66877533773422945979143954094644173219583178339199697252673545117318799706373",
-        "30511098623357801425494143655999121699575856091238269679669864984061501512835",
-        "95900192636363991637086954986559552472749485926252879461208179855482821976623",
-        "37879946127489462347049192209554168578320892231852882971030128420645686965013",
-        "80479504274334215471057938992198620419540634144266821121799003865782336406529",
-        "13326262422954139210095783388743602482455840337093117010479445267213907605425",
-        "16047106134611124637925332265703907202779549268127518502853950466090054176776",
-        "71499356105233640605079063493613576024353801558965221134519779175477723594865",
-        "28438981751956157476540225984733791304599172905715743025543841239013139121102",
-        "56066317647068426981453448715118237747130321302262827290362392918472904421147",
-    ]
-    .map(|y| FieldElement::from_str_vartime(y).unwrap());
-}
+pub static ROUND_CONSTANTS: &'static [&str; 192] = &[
+    "15180568604901803243989155929934437997245952775071395385994322939386074967328",
+    "98155933184944822056372510812105826951789406432246960633912199752807271851218",
+    "32585497418154084368870158853355239726261349829448673320273043226636389078017",
+    "66713968576806622579829258440960693099797917756640662361943757758980796487698",
+    "61296025743283504825054745787375839406507895949474930140819919915792438454216",
+    "64548089412749542282115556935384382035671782881737715696939837764375912217104",
+    "108421562972909537718478936575770973463273651828765393113349044862621092658552",
+    "93957623861448681916560847065407918286434708744548934125771289238599801659600",
+    "31886767595881910145119755249133120645312710313371225820300496900248094187131",
+    "36511615103248888903406040506250394762206798360602726106046630438239169384653",
+    "21193239787133737740669439860809806837993750509086389566475677877580362491125",
+    "15159189447883181997488877417695825734356570617827322308691834229181804753656",
+    "19272373877630561389686073945290625876718814210798194797601715657476609730306",
+    "23132197996397121955527964729507651432518694856862854469217474256539272053037",
+    "9869753235007825662020275771343858285582964429845049469800863115040150206544",
+    "36536341316285671890133896506951910369952562161551585116256678375995315827743",
+    "62582239167707347777855528698896708360409296899261565735324151945083720570858",
+    "96597358901965097853721114962031771931271685249979807653919643952343419105640",
+    "99475971754252188104003224702005940217163363685728394033034788135108600073953",
+    "52080483875928847502018688921126796935417602445765802481027972679966274137987",
+    "101922748752417217354391348649359865075718358385248454632698502400961567227929",
+    "26980595292132221181330746499613907829041623688147011560382352796984836870749",
+    "7059991836806083192408106370472821784612460308866802565871813230060135266390",
+    "19329812920723038526370491239817117039289784665617181727933894076969997926129",
+    "65570620823578601926240439251563587376966657231502120214692324496443514623818",
+    "58403733332589349613112270854204921427257113546270812628317365115158685715742",
+    "45021021211732634759643776743541935700591354899980928498981462362035961745443",
+    "313468157086800401026946312285365733155132234906935411743639256319782592571",
+    "101316949793045093761117346380310841944294663456931203380573537653884068660109",
+    "23683935571424619534194393788101669168630123784066421490798386323411538828592",
+    "45470730427236677197026094498490008082250264942279323465121581539984407294442",
+    "48141067373531800337373447278127981363951468257064369512416205750641258258193",
+    "42554919225040466028330117313396362347164995917041931400909482795914116747618",
+    "11551941832988244108260444347046942236051939264069344013774353630451796870907",
+    "60185799182545404739011626517355854847787627814101363386450657535504094743765",
+    "81823160578900678880708744457872721685515019032370491632046212317701226128393",
+    "7165646831054215773988859638722974820791178194871546344315162343128362695647",
+    "75289707601640398424243937567716657896680380639974371761136292031415717685949",
+    "7150842764562742184396161198129263121409208675362553300851082062734889620953",
+    "24380904705269761063866540342138412601132455197711667167747524315310027386226",
+    "9728986075621437350131504894128984146939551938810073671231633620616345344412",
+    "10579382052089733216628873394134968879891026686695240299956972154694558493896",
+    "8171994519466002143995890536756742287314780571933910736618431096190430536601",
+    "30420144259409274775063072923609924427757612539094840146996944760708902708570",
+    "63962155989812703023698320394024694856871261481871757094333286947755599007133",
+    "25280070391177856032024336895094721131222985610587247589336316615596140400436",
+    "15305872319988027006162258914083163651002306183917888172691618513722838997098",
+    "51545603291342006705870081001071419395633279951502747769141857387796043104608",
+    "91109680756552587805002537489407348773333405839144382221272597323798859182191",
+    "72175452855185658158184807496160149169667221240389196996344579971523681433202",
+    "30361989157454953234766224747536334157139256334148153290771332849307087761025",
+    "38169634499980959088614671703639492517637815232220682121652135514105493936992",
+    "49591153263237620796156788742811547511792615129981565620486914545749079774827",
+    "47403873018260745456113868791119169163627014766514972598212646481717066065016",
+    "93989849689047144228924801010853106857960399638657695410345207191739048300111",
+    "10590240512802509131776989274411792739339398409955259174829387591089799115255",
+    "29183703335869638067547208413224742887766212046438654772943025958628178245227",
+    "4131650227136944095885036960767735080970262672750406866066212532739784907379",
+    "43395510588213653537697670365796375057855260611965666448183946252832290017444",
+    "95246795133940226900907730059125298420936467652619708443128629427116119621152",
+    "6012209003558496814495903476753006089125143165365334812097313083703216071080",
+    "26183233284429251459198269925441295879550203824094631575778521083706115817955",
+    "26058994700533582730528567480051558438548299522338811756875396252016497202713",
+    "107240485663145290290374164860301805857261278222480421976433215167444496066511",
+    "84412820763898503096477800002865877536719992495674955119188074297975154406587",
+    "52386303852182662900790700046090769869460994629239741773176060026198900130384",
+    "95746062835936512160025091603469309809932540674474329021370075533568318932379",
+    "22711334660013961010382652754865456251782349529764119853461446587583972054666",
+    "16959835233095757670013367728627149851239789174357906293937455553277911805495",
+    "15116421110200928832147360650392633091242147433006813656250997138988179879750",
+    "107878787525302837370688492081178689950008165750500003692400517211520334656293",
+    "44210105558575948369921579518078229089923760124167628288943900602376706136436",
+    "90305995748749060889452130219544332384396626628663475498252761213618628372367",
+    "104941997925797907872686462815914481945432760720471803254797908465921520138024",
+    "100036855232527386145662094141100441220151775745916101660987264242446845728894",
+    "103285582836474146806606752170525767341430483568396209591447274936228630298052",
+    "82197692939371228160449741709034077803239992888716859217989995857278406253737",
+    "10040764964044995095453717286623030376397745892179877153575434454090155545240",
+    "27304226040425863042893623786832369758179176309230053449707879364285977952630",
+    "42627232144930751842910170221862679057276668485045156742021958050665662768084",
+    "76972394926916659428228833084621905890924612368412796262119501852346293848159",
+    "39796921406297542196667238133893946368231540421737718098283349901435707131075",
+    "14745047092916651495052563068083093689676472592445845983334785004125684263162",
+    "43421479365783318841667739359312715738029447177150400204380817518608837765863",
+    "107871536756946365977710326147511195471121248998432910212631960353348700694610",
+    "39505942243687894211614489736115535754716239859353578295470352855493707198619",
+    "59676442091621150164811367352362126934419932715789994860508056194143441226580",
+    "94470526851498636320865653968033227263836954414283116133326109455334870036212",
+    "15044796858044094866329855531761112645684343559112419720568996573556805975600",
+    "67157729293641241473980125231288476062565688273917759533572275886277269201651",
+    "72911083146182058225942884942982388217243826839805061121973109250798137784134",
+    "102973386186208530972563015865701244407271836208547629083437627219683649557477",
+    "57485522356347377122696081086816661784954498123948319434326439317393351620564",
+    "23112275556906805064863694321486306070917598599342299357379251070160695202292",
+    "107618884362423342584703700349292347754139538760798319916678240538294838342400",
+    "83961260400031958812820990908241261093246389047082613562825737834833753517337",
+    "42726953951733266282750892844947149703751388034177248277671157488506520215317",
+    "39379570934119946602507737250800178347029772561352879974941214627084076473292",
+    "72203650529122342092280763801468513707870760755235719535090090101623606334441",
+    "13389660788942842724553143053013919883368472759564135119390935439369513690496",
+    "101745263541280877725997503552978999350831489463993178838531539940805924817361",
+    "76849182334465191824607032600721023780793694103840553871800174717760598910761",
+    "53896256317996838683363773836826653859512780625932638736752563553878867538095",
+    "24688792501674999263943657175455335814404948006469220532686392550824320454904",
+    "69132683906595821927803530074656979217668636557563597358799899743174233903941",
+    "2861982085506615225917620192781928414994576134281371548401916333754363567986",
+    "37311353286221616083824584705974993449107063556724405440534160586561042968316",
+    "83718085796857523832195255218519255973031752296424117786202083986118546906913",
+    "103633177691684814414226251117070754499104739002759424774194851613917008856616",
+    "84968411062305024171594435878414659990735518025357685215223731503921265946461",
+    "41865099330909055069143724769818364262362915440371474104937435863183989905059",
+    "46156624920251322979270606388518884047396423747179340919303543598300663968593",
+    "64416327466854458915398302811825971539792429791049027619471115285308743811583",
+    "94942471312481523091911417289540395651121558150571128515230470225155209280585",
+    "109682618775735319282534546194470743032129102295907200313471041846112653687024",
+    "61531999191737540795124202104235799899980935519651613893518293245268304980543",
+    "17797352534596268622733030076742840951214734697361029060619245779495726996632",
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+    "92984368734102511759118281503078145182557799453616537383408606074187034371208",
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+    "97147334956505986101750230325438660094766812949748276042292963837380833668274",
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+    "2445742484263083651472035320255578071935687960412507452207899496253120999364",
+    "86846812580007547526361109808384103509272544750564766849178767957571523649544",
+    "43025640639926253696325070988523609146060819319830735794100778654425057363895",
+    "108957662689228031021948854644435971168708642184764962508575441689859324862868",
+    "83891545396650121758556392255189778590486277180642660527000882403085396114823",
+    "42527013475786190604202451803064937203698027000671529418992521798122995373551",
+    "115180194520889678365425151865713593680657747284471744934804370945935167043862",
+    "28979598171177052880917135045920701144584888536299261666846302083645491369348",
+    "68351312608110279019109436395199010412431777911149851157132527077210966351650",
+    "61759623963943995967580147094342313397376358019837276043205235302342147116585",
+    "80714625408576660514217469096827255752431164791924432025682445176737446783085",
+    "33048555646676368266608424610100449208381357250300222636992099726804869416731",
+    "50682223610667325089810868083131721901859473966415125289975106060759036109476",
+    "4271213571706787092297985431667190050727614825584809797590204884727103716461",
+    "101314046722405990971733763321368296660561930294000591067108115987088407142646",
+    "55565500177602146197728150332647093173137211885612327122425918553270191254877",
+    "65556764608648687291293889343854786421750589271167654521933267288313526422497",
+    "66877533773422945979143954094644173219583178339199697252673545117318799706373",
+    "30511098623357801425494143655999121699575856091238269679669864984061501512835",
+    "95900192636363991637086954986559552472749485926252879461208179855482821976623",
+    "37879946127489462347049192209554168578320892231852882971030128420645686965013",
+    "80479504274334215471057938992198620419540634144266821121799003865782336406529",
+    "13326262422954139210095783388743602482455840337093117010479445267213907605425",
+    "16047106134611124637925332265703907202779549268127518502853950466090054176776",
+    "71499356105233640605079063493613576024353801558965221134519779175477723594865",
+    "28438981751956157476540225984733791304599172905715743025543841239013139121102",
+    "56066317647068426981453448715118237747130321302262827290362392918472904421147",
+];

packages/poseidon/src/lib.rs

@@ -27,14 +27,14 @@ impl<F: PrimeField> PoseidonConstants<F> {
 }
 
 pub struct Poseidon<F: PrimeField> {
-    pub state: [F; 3],
+    pub state: Vec<F>,
     pub constants: PoseidonConstants<F>,
     pub pos: usize,
 }
 
 impl<F: PrimeField> Poseidon<F> {
     pub fn new(constants: PoseidonConstants<F>) -> Self {
-        let state = [F::zero(); 3];
+        let state = vec![F::zero(); 3];
         Self {
             state,
             constants,
@@ -42,10 +42,12 @@ impl<F: PrimeField> Poseidon<F> {
         }
     }
 
-    pub fn hash(&mut self, input: &[F; 2]) -> F {
-        // add the domain tag
-        let domain_tag = F::from(3); // 2^arity - 1
-        let input = [domain_tag, input[0], input[1]];
+    pub fn hash(&mut self, input: Vec<F>) -> F {
+        // add padding
+        let mut input = input.clone();
+
+        let domain_tag = 3; // 2^arity - 1
+        input.insert(0, F::from(domain_tag));
 
         self.state = input;
 
@@ -78,14 +80,14 @@ impl<F: PrimeField> Poseidon<F> {
 
     // MDS matrix multiplication
     fn matrix_mul(&mut self) {
-        let mut result = [F::zero(); 3];
+        let mut result = Vec::new();
 
-        for (i, val) in self.constants.mds_matrix.iter().enumerate() {
+        for val in self.constants.mds_matrix.iter() {
             let mut tmp = F::zero();
             for (j, element) in self.state.iter().enumerate() {
                 tmp += val[j] * element
             }
-            result[i] = tmp;
+            result.push(tmp)
         }
 
         self.state = result;
@@ -122,30 +124,40 @@ impl<F: PrimeField> Poseidon<F> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use k256_consts::*;
     use secq256k1::field::{field_secp, BaseField};
 
     #[test]
     fn test_k256() {
         type Scalar = field_secp::FieldElement;
-        let input = [
+        let input = vec![
             Scalar::from_str_vartime("1234567").unwrap(),
             Scalar::from_str_vartime("109987").unwrap(),
         ];
 
-        let constants = PoseidonConstants::<FieldElement>::new(
-            ROUND_CONSTANTS.to_vec(),
-            vec![
-                MDS_MATRIX[0].to_vec(),
-                MDS_MATRIX[1].to_vec(),
-                MDS_MATRIX[2].to_vec(),
-            ],
-            NUM_FULL_ROUNDS,
-            NUM_PARTIAL_ROUNDS,
+        let round_constants: Vec<Scalar> = k256_consts::ROUND_CONSTANTS
+            .iter()
+            .map(|x| Scalar::from_str_vartime(x).unwrap())
+            .collect();
+
+        let mds_matrix: Vec<Vec<Scalar>> = k256_consts::MDS_MATRIX
+            .iter()
+            .map(|x| {
+                x.iter()
+                    .map(|y| Scalar::from_str_vartime(y).unwrap())
+                    .collect::<Vec<Scalar>>()
+            })
+            .collect();
+
+        let constants = PoseidonConstants::<Scalar>::new(
+            round_constants,
+            mds_matrix,
+            k256_consts::NUM_FULL_ROUNDS,
+            k256_consts::NUM_PARTIAL_ROUNDS,
         );
+
         let mut poseidon = Poseidon::new(constants);
 
-        let digest = poseidon.hash(&input);
+        let digest = poseidon.hash(input);
 
         assert_eq!(
             digest,

packages/poseidon/src/poseidon_k256.rs

@@ -1,18 +1,28 @@
-use crate::k256_consts::*;
-use crate::{Poseidon, PoseidonConstants};
+use crate::{k256_consts, Poseidon, PoseidonConstants};
+use ff::PrimeField;
 pub use secq256k1::field::field_secp::FieldElement;
 
 #[allow(dead_code)]
-pub fn hash(input: &[FieldElement; 2]) -> FieldElement {
+pub fn hash(input: Vec<FieldElement>) -> FieldElement {
+    let round_constants: Vec<FieldElement> = k256_consts::ROUND_CONSTANTS
+        .iter()
+        .map(|x| FieldElement::from_str_vartime(x).unwrap())
+        .collect();
+
+    let mds_matrix: Vec<Vec<FieldElement>> = k256_consts::MDS_MATRIX
+        .iter()
+        .map(|x| {
+            x.iter()
+                .map(|y| FieldElement::from_str_vartime(y).unwrap())
+                .collect::<Vec<FieldElement>>()
+        })
+        .collect();
+
     let constants = PoseidonConstants::<FieldElement>::new(
-        ROUND_CONSTANTS.to_vec(),
-        vec![
-            MDS_MATRIX[0].to_vec(),
-            MDS_MATRIX[1].to_vec(),
-            MDS_MATRIX[2].to_vec(),
-        ],
-        NUM_FULL_ROUNDS,
-        NUM_PARTIAL_ROUNDS,
+        round_constants,
+        mds_matrix,
+        k256_consts::NUM_FULL_ROUNDS,
+        k256_consts::NUM_PARTIAL_ROUNDS,
     );
     let mut poseidon = Poseidon::new(constants);
 

packages/spartan_wasm/Cargo.toml

@@ -11,7 +11,7 @@ crate-type = ["cdylib", "rlib"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-spartan = { path = "../Spartan-secq" }
+spartan = { git = "https://github.com/DanTehrani/Spartan-secq.git", branch="hoplite" }
 wasm-bindgen = { version = "0.2.81", features = ["serde-serialize"]}
 console_error_panic_hook = "0.1.7"
 merlin = "3.0.0"

packages/spartan_wasm/src/wasm.rs

@@ -84,14 +84,14 @@ pub fn verify(circuit: &[u8], proof: &[u8], public_input: &[u8]) -> Result<bool,
 
 #[wasm_bindgen]
 pub fn poseidon(input_bytes: &[u8]) -> Result<Vec<u8>, JsValue> {
-    assert_eq!(input_bytes.len(), 64);
+    let mut input = Vec::new();
+    for i in 0..(input_bytes.len() / 32) {
+        let f: [u8; 32] = input_bytes[(i * 32)..(i + 1) * 32].try_into().unwrap();
+        let val = FieldElement::from_bytes(&f).unwrap();
+        input.push(FieldElement::from(val));
+    }
 
-    let input = [
-        FieldElement::from_bytes(&input_bytes[0..32].try_into().unwrap()).unwrap(),
-        FieldElement::from_bytes(&input_bytes[32..64].try_into().unwrap()).unwrap(),
-    ];
-
-    let result = hash(&input);
+    let result = hash(input);
 
     Ok(result.to_bytes().to_vec())
 }

yarn.lock

@@ -2057,14 +2057,6 @@
     node-addon-api "^3.2.1"
     node-gyp-build "^4.3.0"
 
-"@personaelabs/spartan-ecdsa@file:./packages/lib":
-  version "2.1.2"
-  dependencies:
-    "@ethereumjs/util" "^8.0.3"
-    "@zk-kit/incremental-merkle-tree" "^1.0.0"
-    elliptic "^6.5.4"
-    snarkjs "^0.5.0"
-
 "@phenomnomnominal/tsquery@4.1.1":
   version "4.1.1"
   resolved "https://registry.npmjs.org/@phenomnomnominal/tsquery/-/tsquery-4.1.1.tgz"