feat: use gpu prover

packages/relayer/Cargo.toml

@@ -20,7 +20,7 @@ sqlx = { version = "0.8.2", features = [
 bigdecimal = "0.3.1"
 tokio = { version = "1.40.0", features = ["full"] }
 tower-http = { version = "0.6.1", features = ["cors"] }
-relayer-utils = { git = "https://github.com/zkemail/relayer-utils.git", branch = "main" }
+relayer-utils = { git = "https://github.com/zkemail/relayer-utils.git", branch = "feat/gpu_prover" }
 slog = { version = "2.7.0", features = [
     "max_level_trace",
     "release_max_level_warn",

packages/relayer/src/config.rs

@@ -14,10 +14,8 @@ pub struct Config {
     pub database_url: String,
     /// The URL for the SMTP server.
     pub smtp_url: String,
-    /// The URL for the prover service.
-    pub prover_url: String,
-    // /// The API key for Alchemy services.
-    // pub alchemy_api_key: String,
+    /// Configuration for the prover service.
+    pub prover: ProverConfig,
     /// Configuration for file paths.
     pub path: PathConfig,
     /// Configuration for ICP (Internet Computer Protocol).
@@ -57,8 +55,21 @@ pub struct ChainConfig {
     pub rpc_url: String,
     /// The chain ID for the blockchain.
     pub chain_id: u32,
-    // /// The name used for Alchemy services.
-    // pub alchemy_name: String,
+}
+
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct ProverConfig {
+    /// The URL for the prover service.
+    pub url: String,
+    /// The blueprint ID for the prover.
+    pub blueprint_id: String,
+    /// The URL for downloading zkey files.
+    pub zkey_download_url: String,
+    /// The URL for downloading circuit CPP files.
+    pub circuit_cpp_download_url: String,
+    /// The API key for the prover.
+    pub api_key: String,
 }
 
 // Function to load the configuration from a JSON file

packages/relayer/src/prove.rs

@@ -1,7 +1,7 @@
 use anyhow::Result;
 use relayer_utils::{
-    generate_email_circuit_input, generate_proof, u256_to_bytes32, EmailCircuitParams, ParsedEmail,
-    LOG,
+    generate_email_circuit_input, generate_proof, generate_proof_gpu, u256_to_bytes32,
+    EmailCircuitParams, ParsedEmail, LOG,
 };
 use slog::info;
 
@@ -54,10 +54,14 @@ pub async fn generate_email_proof(
     .await?;
 
     // Generate the proof and public signals using the circuit input
-    let (proof, public_signals) = generate_proof(
+    let (proof, public_signals) = generate_proof_gpu(
         &circuit_input,
-        "email_auth",
-        &relayer_state.config.prover_url,
+        &relayer_state.config.prover.blueprint_id,
+        &uuid::Uuid::new_v4().to_string(),
+        &relayer_state.config.prover.zkey_download_url,
+        &relayer_state.config.prover.circuit_cpp_download_url,
+        &relayer_state.config.prover.api_key,
+        &relayer_state.config.prover.url,
     )
     .await?;