opt(libzkp): allow params be shared between multi versions (#1499)

Co-authored-by: georgehao <haohongfan@gmail.com>
Co-authored-by: colin <102356659+colinlyguo@users.noreply.github.com>
Co-authored-by: Rohit Narurkar <rohit.narurkar@proton.me>

common/libzkp/impl/Cargo.toml

@@ -25,9 +25,9 @@ halo2_proofs = { git = "https://github.com/scroll-tech/halo2.git", branch = "v1.
 snark-verifier-sdk = { git = "https://github.com/scroll-tech/snark-verifier", branch = "develop", default-features = false, features = ["loader_halo2", "loader_evm", "halo2-pse"] }
 
 # darwin
-prover_v4 = { git = "https://github.com/scroll-tech/zkevm-circuits.git", tag = "v0.12.0", package = "prover", default-features = false, features = ["parallel_syn", "scroll"] }
+prover_v4 = { git = "https://github.com/scroll-tech/zkevm-circuits.git", tag = "v0.12.2", package = "prover", default-features = false, features = ["parallel_syn", "scroll"] }
 # darwin_v2
-prover_v5 = { git = "https://github.com/scroll-tech/zkevm-circuits.git", tag = "v0.13.0", package = "prover", default-features = false, features = ["parallel_syn", "scroll"] }
+prover_v5 = { git = "https://github.com/scroll-tech/zkevm-circuits.git", tag = "v0.13.1", package = "prover", default-features = false, features = ["parallel_syn", "scroll"] }
 
 base64 = "0.13.0"
 env_logger = "0.9.0"

common/libzkp/impl/src/verifier.rs

@@ -2,10 +2,12 @@ mod darwin;
 mod darwin_v2;
 
 use anyhow::{bail, Result};
-// use darwin::DarwinVerifier;
+use darwin::DarwinVerifier;
 use darwin_v2::DarwinV2Verifier;
+use halo2_proofs::{halo2curves::bn256::Bn256, poly::kzg::commitment::ParamsKZG};
+use prover_v4::utils::load_params;
 use serde::{Deserialize, Serialize};
-use std::{cell::OnceCell, rc::Rc};
+use std::{cell::OnceCell, collections::BTreeMap, rc::Rc};
 
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub enum TaskType {
@@ -36,22 +38,47 @@ type HardForkName = String;
 struct VerifierPair(HardForkName, Rc<Box<dyn ProofVerifier>>);
 
 static mut VERIFIER_HIGH: OnceCell<VerifierPair> = OnceCell::new();
-// static mut VERIFIER_LOW: OnceCell<VerifierPair> = OnceCell::new();
+static mut VERIFIER_LOW: OnceCell<VerifierPair> = OnceCell::new();
+static mut PARAMS_MAP: OnceCell<BTreeMap<u32, ParamsKZG<Bn256>>> = OnceCell::new();
 
 pub fn init(config: VerifierConfig) {
-    // let low_conf = config.low_version_circuit;
-    // let verifier = DarwinVerifier::new(&low_conf.params_path, &low_conf.assets_path);
+    let low_conf = config.low_version_circuit;
 
-    // unsafe {
-    //     VERIFIER_LOW
-    //         .set(VerifierPair(
-    //             low_conf.fork_name,
-    //             Rc::new(Box::new(verifier)),
-    //         ))
-    //         .unwrap_unchecked();
-    // }
+    // params should be shared between low and high
+    let mut params_map = BTreeMap::new();
+    for degree in [
+        *prover_v4::config::LAYER2_DEGREE,
+        *prover_v4::config::LAYER4_DEGREE,
+    ] {
+        if let std::collections::btree_map::Entry::Vacant(e) = params_map.entry(degree) {
+            match load_params(&low_conf.params_path, degree, None) {
+                Ok(params) => {
+                    e.insert(params);
+                }
+                Err(e) => panic!(
+                    "failed to load params, degree {}, dir {}, err {}",
+                    degree, low_conf.params_path, e
+                ),
+            }
+        }
+    }
+    unsafe {
+        PARAMS_MAP.set(params_map).unwrap_unchecked();
+    }
+
+    let verifier = DarwinVerifier::new(unsafe { PARAMS_MAP.get().unwrap() }, &low_conf.assets_path);
+
+    unsafe {
+        VERIFIER_LOW
+            .set(VerifierPair(
+                low_conf.fork_name,
+                Rc::new(Box::new(verifier)),
+            ))
+            .unwrap_unchecked();
+    }
     let high_conf = config.high_version_circuit;
-    let verifier = DarwinV2Verifier::new(&high_conf.params_path, &high_conf.assets_path);
+    let verifier =
+        DarwinV2Verifier::new(unsafe { PARAMS_MAP.get().unwrap() }, &high_conf.assets_path);
     unsafe {
         VERIFIER_HIGH
             .set(VerifierPair(
@@ -64,7 +91,7 @@ pub fn init(config: VerifierConfig) {
 
 pub fn get_verifier(fork_name: &str) -> Result<Rc<Box<dyn ProofVerifier>>> {
     unsafe {
-        if let Some(verifier) = VERIFIER_HIGH.get() {
+        if let Some(verifier) = VERIFIER_LOW.get() {
             if verifier.0 == fork_name {
                 return Ok(verifier.1.clone());
             }

common/libzkp/impl/src/verifier/darwin.rs

@@ -1,25 +1,24 @@
 use super::{ProofVerifier, TaskType};
 
 use anyhow::Result;
+use halo2_proofs::{halo2curves::bn256::Bn256, poly::kzg::commitment::ParamsKZG};
 
 use crate::utils::panic_catch;
 use prover_v4::{
     aggregator::Verifier as AggVerifier, zkevm::Verifier, BatchProof, BundleProof, ChunkProof,
 };
-use std::env;
+use std::{collections::BTreeMap, env};
 
-pub struct DarwinVerifier {
-    verifier: Verifier,
-    agg_verifier: AggVerifier,
+pub struct DarwinVerifier<'params> {
+    verifier: Verifier<'params>,
+    agg_verifier: AggVerifier<'params>,
 }
 
-impl DarwinVerifier {
-    #[allow(dead_code)]
-    pub fn new(params_dir: &str, assets_dir: &str) -> Self {
+impl<'params> DarwinVerifier<'params> {
+    pub fn new(params_map: &'params BTreeMap<u32, ParamsKZG<Bn256>>, assets_dir: &str) -> Self {
         env::set_var("SCROLL_PROVER_ASSETS_DIR", assets_dir);
-        let verifier = Verifier::from_dirs(params_dir, assets_dir);
-
-        let agg_verifier = AggVerifier::from_dirs(params_dir, assets_dir);
+        let verifier = Verifier::from_params_and_assets(params_map, assets_dir);
+        let agg_verifier = AggVerifier::from_params_and_assets(params_map, assets_dir);
 
         Self {
             verifier,
@@ -28,7 +27,7 @@ impl DarwinVerifier {
     }
 }
 
-impl ProofVerifier for DarwinVerifier {
+impl<'params> ProofVerifier for DarwinVerifier<'params> {
     fn verify(&self, task_type: super::TaskType, proof: Vec<u8>) -> Result<bool> {
         let result = panic_catch(|| match task_type {
             TaskType::Chunk => {

common/libzkp/impl/src/verifier/darwin_v2.rs

@@ -1,24 +1,24 @@
 use super::{ProofVerifier, TaskType};
 
 use anyhow::Result;
+use halo2_proofs::{halo2curves::bn256::Bn256, poly::kzg::commitment::ParamsKZG};
 
 use crate::utils::panic_catch;
 use prover_v5::{
     aggregator::Verifier as AggVerifier, zkevm::Verifier, BatchProof, BundleProof, ChunkProof,
 };
-use std::env;
+use std::{collections::BTreeMap, env};
 
-pub struct DarwinV2Verifier {
-    verifier: Verifier,
-    agg_verifier: AggVerifier,
+pub struct DarwinV2Verifier<'params> {
+    verifier: Verifier<'params>,
+    agg_verifier: AggVerifier<'params>,
 }
 
-impl DarwinV2Verifier {
-    pub fn new(params_dir: &str, assets_dir: &str) -> Self {
+impl<'params> DarwinV2Verifier<'params> {
+    pub fn new(params_map: &'params BTreeMap<u32, ParamsKZG<Bn256>>, assets_dir: &str) -> Self {
         env::set_var("SCROLL_PROVER_ASSETS_DIR", assets_dir);
-        let verifier = Verifier::from_dirs(params_dir, assets_dir);
-
-        let agg_verifier = AggVerifier::from_dirs(params_dir, assets_dir);
+        let verifier = Verifier::from_params_and_assets(params_map, assets_dir);
+        let agg_verifier = AggVerifier::from_params_and_assets(params_map, assets_dir);
 
         Self {
             verifier,
@@ -27,7 +27,7 @@ impl DarwinV2Verifier {
     }
 }
 
-impl ProofVerifier for DarwinV2Verifier {
+impl<'params> ProofVerifier for DarwinV2Verifier<'params> {
     fn verify(&self, task_type: super::TaskType, proof: Vec<u8>) -> Result<bool> {
         let result = panic_catch(|| match task_type {
             TaskType::Chunk => {

common/version/version.go

@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.4.49"
+var tag = "v4.4.50"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {