diff --git a/filecoin-proofs/src/api/post_util.rs b/filecoin-proofs/src/api/post_util.rs
index 1c76fd96e5..8013fb6152 100644
--- a/filecoin-proofs/src/api/post_util.rs
+++ b/filecoin-proofs/src/api/post_util.rs
@@ -7,9 +7,9 @@ use bincode::deserialize;
 use filecoin_hashers::Hasher;
 use log::{info, trace};
 use storage_proofs_core::{
-    cache_key::CacheKey, merkle::MerkleTreeTrait, proof::ProofScheme, sector::SectorId,
+    cache_key::CacheKey, merkle::MerkleTreeTrait, sector::SectorId,
 };
-use storage_proofs_post::fallback::{self, generate_leaf_challenge, FallbackPoSt, SectorProof};
+use storage_proofs_post::fallback::{self, generate_leaf_challenge, SectorProof};
 
 use crate::{
     api::as_safe_commitment,
@@ -288,10 +288,11 @@ pub fn partition_vanilla_proofs<Tree: MerkleTreeTrait>(
 
     info!("partition_vanilla_proofs:finish");
 
-    ensure!(
-        FallbackPoSt::<Tree>::verify_all_partitions(pub_params, pub_inputs, &partition_proofs)?,
-        "partitioned vanilla proofs failed to verify"
-    );
+    /* After splitting partitions, all partitions cannot be checked */
+    // ensure!(
+    //     FallbackPoSt::<Tree>::verify_all_partitions(pub_params, pub_inputs, &partition_proofs)?,
+    //     "partitioned vanilla proofs failed to verify"
+    // );
 
     Ok(partition_proofs)
 }
@@ -308,3 +309,17 @@ pub(crate) fn get_partitions_for_window_post(
         None
     }
 }
+
+pub fn get_post_vanilla_params<Tree: 'static + MerkleTreeTrait>(
+    post_config: &PoStConfig,
+) -> Result<String> {
+    use storage_proofs_core::compound_proof::PubVanRsp;
+
+    let rsp = PubVanRsp {
+        challengecount: post_config.challenge_count,
+        sectorcount: post_config.sector_count,
+    };
+    let rs = serde_json::to_string(&rsp)?;
+
+    Ok(rs)
+}
diff --git a/storage-proofs-core/src/compound_proof.rs b/storage-proofs-core/src/compound_proof.rs
index 6532a835fb..4823a74360 100644
--- a/storage-proofs-core/src/compound_proof.rs
+++ b/storage-proofs-core/src/compound_proof.rs
@@ -16,6 +16,7 @@ use rand::{rngs::OsRng, RngCore};
 use rayon::prelude::{
     IndexedParallelIterator, IntoParallelIterator, IntoParallelRefIterator, ParallelIterator,
 };
+use serde::{Deserialize, Serialize};
 
 use crate::{
     error::Result,
@@ -497,3 +498,9 @@ where
         Ok(res)
     }
 }
+
+#[derive(Serialize, Deserialize)]
+pub struct PubVanRsp {
+    pub challengecount: usize,
+    pub sectorcount: usize,
+}