removed NODE_APP_INSTANCE 0 dependency

src/ORM/rpc-block/rpc-block.entity.ts

@@ -6,9 +6,6 @@ export class RpcBlockEntity {
     @PrimaryColumn()
     blockHeight: number;
 
-    @Column({ nullable: true })
-    lockedBy?: string;
-
     @Column({ nullable: true })
     data?: string;
 }

src/ORM/rpc-block/rpc-block.service.ts

@@ -18,10 +18,6 @@ export class RpcBlockService {
         });
     }
 
-    public lockBlock(blockHeight: number, process: string) {
-        return this.rpcBlockRepository.save({ blockHeight, data: null, lockedBy: process });
-    }
-
     public saveBlock(blockHeight: number, data: string) {
         return this.rpcBlockRepository.update(blockHeight, { data })
     }