diff --git a/network-rpc/api/src/lib.rs b/network-rpc/api/src/lib.rs
index b4682f822a..d1b49ead18 100644
--- a/network-rpc/api/src/lib.rs
+++ b/network-rpc/api/src/lib.rs
@@ -14,7 +14,6 @@ use starcoin_accumulator::AccumulatorNode;
 use starcoin_crypto::HashValue;
 use starcoin_state_api::{StateWithProof, StateWithTableItemProof};
 use starcoin_state_tree::StateNode;
-use starcoin_types::access_path::AccessPath;
 use starcoin_types::account_address::AccountAddress;
 use starcoin_types::account_state::AccountState;
 use starcoin_types::block::{BlockHeader, BlockInfo, BlockNumber};
@@ -27,6 +26,7 @@ pub use network_p2p_core::RawRpcClient;
 pub use remote_chain_state::RemoteChainStateReader;
 
 pub use starcoin_types::block::BlockBody;
+use starcoin_vm_types::state_store::state_key::StateKey;
 use starcoin_vm_types::state_store::table::TableHandle;
 
 pub const MAX_BLOCK_REQUEST_SIZE: u64 = 50;
@@ -157,7 +157,7 @@ impl RpcRequest for GetTxnsWithHash {
 #[derive(Debug, Serialize, Deserialize, Clone)]
 pub struct GetStateWithProof {
     pub state_root: HashValue,
-    pub access_path: AccessPath,
+    pub state_key: StateKey,
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
diff --git a/network-rpc/api/src/remote_chain_state.rs b/network-rpc/api/src/remote_chain_state.rs
index 8a7571eae4..cec7ae7890 100644
--- a/network-rpc/api/src/remote_chain_state.rs
+++ b/network-rpc/api/src/remote_chain_state.rs
@@ -62,7 +62,7 @@ impl ChainStateReader for RemoteChainStateReader {
             .ok_or_else(|| anyhow!("state root not set"))?;
         let req = GetStateWithProof {
             state_root,
-            access_path: access_path.clone(),
+            state_key: state_key.clone(),
         };
         let client = self.client.clone();
         let state_proof: StateWithProof =
diff --git a/network-rpc/src/rpc.rs b/network-rpc/src/rpc.rs
index d295b29cdb..61496b2142 100644
--- a/network-rpc/src/rpc.rs
+++ b/network-rpc/src/rpc.rs
@@ -226,18 +226,15 @@ impl gen_server::NetworkRpc for NetworkRpcImpl {
     fn get_state_with_proof(
         &self,
         _peer_id: PeerId,
-        _req: GetStateWithProof,
+        req: GetStateWithProof,
     ) -> BoxFuture<Result<StateWithProof>> {
-        // XXX FIXME YSG
-        /*
         let state_service = self.state_service.clone();
         let fut = async move {
             state_service
-                .get_with_proof_by_root(req.access_path, req.state_root)
+                .get_with_proof_by_root(req.state_key, req.state_root)
                 .await
         };
-        Box::pin(fut) */
-        unimplemented!("")
+        Box::pin(fut)
     }
 
     fn get_state_with_table_item_proof(
diff --git a/network-rpc/src/tests.rs b/network-rpc/src/tests.rs
index 7a6ceb1e8e..77a6a1885c 100644
--- a/network-rpc/src/tests.rs
+++ b/network-rpc/src/tests.rs
@@ -14,6 +14,7 @@ use starcoin_state_api::StateWithProof;
 use starcoin_types::{access_path, account_config::genesis_address, block::BlockHeader};
 use starcoin_vm_types::access_path::DataPath;
 use starcoin_vm_types::on_chain_resource::Epoch;
+use starcoin_vm_types::state_store::state_key::StateKey;
 use std::sync::Arc;
 
 #[stest::test]
@@ -44,6 +45,8 @@ fn test_network_rpc() {
         DataPath::Resource(Epoch::struct_tag_for_epoch()),
     );
 
+    let state_key = StateKey::resource(&genesis_address(), &Epoch::struct_tag_for_epoch()).unwrap();
+
     //ping ok
     let req = Ping {
         msg: "ping_test".to_string(),
@@ -79,7 +82,7 @@ fn test_network_rpc() {
 
     let state_req = GetStateWithProof {
         state_root,
-        access_path: access_path.clone(),
+        state_key,
     };
     let state_with_proof: StateWithProof = block_on(async {
         client