Merge pull request #608 from near/xiangyi/BorshStorageKey

use BorshStorageKey for the prefix of LookupMap for pending_requests

contract/src/lib.rs

@@ -3,8 +3,9 @@ pub mod primitives;
 use near_sdk::borsh::{self, BorshDeserialize, BorshSerialize};
 use near_sdk::collections::LookupMap;
 use near_sdk::serde::{Deserialize, Serialize};
-use near_sdk::{env, near_bindgen, AccountId, Promise, PromiseOrValue, PublicKey};
-use near_sdk::{log, Gas};
+use near_sdk::{
+    env, log, near_bindgen, AccountId, BorshStorageKey, Gas, Promise, PromiseOrValue, PublicKey,
+};
 use primitives::{CandidateInfo, Candidates, ParticipantInfo, Participants, PkVotes, Votes};
 use std::collections::{BTreeMap, HashSet};
 
@@ -47,6 +48,11 @@ pub enum ProtocolContractState {
     Resharing(ResharingContractState),
 }
 
+#[derive(BorshSerialize, BorshDeserialize, BorshStorageKey, Hash, Clone, Debug, PartialEq, Eq)]
+pub enum StorageKey {
+    PendingRequests,
+}
+
 #[near_bindgen]
 #[derive(BorshDeserialize, BorshSerialize, Debug)]
 pub enum VersionedMpcContract {
@@ -103,7 +109,7 @@ impl MpcContract {
                 threshold,
                 pk_votes: PkVotes::new(),
             }),
-            pending_requests: LookupMap::new(b"m"),
+            pending_requests: LookupMap::new(StorageKey::PendingRequests),
             request_counter: 0,
         }
     }
@@ -527,7 +533,7 @@ impl VersionedMpcContract {
         }
         Self::V0(MpcContract {
             protocol_state: ProtocolContractState::NotInitialized,
-            pending_requests: LookupMap::new(b"m"),
+            pending_requests: LookupMap::new(StorageKey::PendingRequests),
             request_counter: 0,
         })
     }