From 7632cfd789277c6c072b32dab6560e0fcc259bf1 Mon Sep 17 00:00:00 2001
From: ctrlc03 <93448202+ctrlc03@users.noreply.github.com>
Date: Sun, 14 Dec 2025 22:47:13 +0000
Subject: [PATCH 1/2] fix: abi encode custom params

---
 examples/CRISP/server/src/cli/commands.rs | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/examples/CRISP/server/src/cli/commands.rs b/examples/CRISP/server/src/cli/commands.rs
index befa0dafc0..9c1df45a9a 100644
--- a/examples/CRISP/server/src/cli/commands.rs
+++ b/examples/CRISP/server/src/cli/commands.rs
@@ -6,9 +6,7 @@
 
 use crisp_constants::get_default_paramset;
 use dialoguer::{theme::ColorfulTheme, FuzzySelect, Input};
-use e3_sdk::bfv_helpers::BfvParamSets;
 use log::info;
-use num_bigint::BigUint;
 use reqwest::Client;
 use serde::{Deserialize, Serialize};
 
@@ -16,6 +14,7 @@ use super::approve;
 use super::CLI_DB;
 use alloy::primitives::{Address, Bytes, U256};
 use alloy::providers::{Provider, ProviderBuilder};
+use alloy::sol_types::SolValue;
 use crisp::config::CONFIG;
 use e3_sdk::bfv_helpers::{build_bfv_params_from_set_arc, encode_bfv_params};
 use e3_sdk::evm_helpers::contracts::{EnclaveContract, EnclaveRead, EnclaveWrite, E3};
@@ -41,12 +40,6 @@ struct ComputeProviderParams {
     batch_size: u32,
 }
 
-#[derive(Debug, Deserialize, Serialize)]
-struct CustomParams {
-    token_address: String,
-    balance_threshold: String,
-}
-
 #[derive(Debug, Deserialize, Serialize)]
 struct PKRequest {
     round_id: u64,
@@ -105,15 +98,10 @@ pub async fn initialize_crisp_round(
     }
 
     let token_address: Address = token_address.parse()?;
-    let balance_threshold = BigUint::parse_bytes(balance_threshold.as_bytes(), 10)
-        .ok_or("Invalid balance threshold")?;
+    let balance_threshold = U256::from_str_radix(&balance_threshold, 10)?;
 
-    let custom_params = CustomParams {
-        token_address: token_address.to_string(),
-        balance_threshold: balance_threshold.to_string(),
-    };
     // Serialize the custom parameters to bytes.
-    let custom_params_bytes = Bytes::from(serde_json::to_vec(&custom_params)?);
+    let custom_params_bytes = Bytes::from((token_address, balance_threshold).abi_encode());
 
     let threshold: [u32; 2] = [CONFIG.e3_threshold_min, CONFIG.e3_threshold_max];
     let mut current_timestamp = get_current_timestamp().await?;

From 312885b29d9570f0dc4480830a0e85f831a9c794 Mon Sep 17 00:00:00 2001
From: ctrlc03 <93448202+ctrlc03@users.noreply.github.com>
Date: Tue, 16 Dec 2025 11:11:39 +0000
Subject: [PATCH 2/2] chore: fix inside server route

---
 examples/CRISP/server/src/server/routes/rounds.rs | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/examples/CRISP/server/src/server/routes/rounds.rs b/examples/CRISP/server/src/server/routes/rounds.rs
index e491339e1e..a7edb4ae1b 100644
--- a/examples/CRISP/server/src/server/routes/rounds.rs
+++ b/examples/CRISP/server/src/server/routes/rounds.rs
@@ -7,17 +7,17 @@
 use crate::config::CONFIG;
 use crate::server::app_data::AppData;
 use crate::server::models::{
-    CTRequest, ComputeProviderParams, CustomParams, JsonResponse, PKRequest, RoundRequest,
+    CTRequest, ComputeProviderParams, JsonResponse, PKRequest, RoundRequest,
 };
 
 use actix_web::{web, HttpResponse, Responder};
 use alloy::primitives::{Address, Bytes, U256};
+use alloy::sol_types::SolValue;
 use chrono::Utc;
 use crisp_constants::get_default_paramset;
 use e3_sdk::bfv_helpers::{build_bfv_params_from_set_arc, encode_bfv_params};
 use e3_sdk::evm_helpers::contracts::{EnclaveContract, EnclaveRead, EnclaveWrite};
 use log::{error, info};
-use num_bigint::BigUint;
 
 pub fn setup_routes(config: &mut web::ServiceConfig) {
     config.service(
@@ -183,16 +183,10 @@ pub async fn initialize_crisp_round(
     let params = encode_bfv_params(&build_bfv_params_from_set_arc(get_default_paramset()));
 
     let token_address: Address = token_address.parse()?;
-    let balance_threshold = BigUint::parse_bytes(balance_threshold.as_bytes(), 10)
-        .ok_or("Invalid balance threshold")?;
-
-    let custom_params = CustomParams {
-        token_address: token_address.to_string(),
-        balance_threshold: balance_threshold.to_string(),
-    };
+    let balance_threshold = U256::from_str_radix(&balance_threshold, 10)?;
 
     // Serialize the custom parameters to bytes.
-    let custom_params_bytes = Bytes::from(serde_json::to_vec(&custom_params)?);
+    let custom_params_bytes = Bytes::from((token_address, balance_threshold).abi_encode());
 
     info!("Requesting E3...");
     let threshold: [u32; 2] = [CONFIG.e3_threshold_min, CONFIG.e3_threshold_max];