feat(json_rpc): include stake and unstake transactions in GetMempool

Author: drcpu-github

node/src/actors/chain_manager/handlers.rs

@@ -1996,6 +1996,8 @@ impl Handler<GetMempool> for ChainManager {
         let res = GetMempoolResult {
             value_transfer: self.transactions_pool.vt_iter().map(|t| t.hash()).collect(),
             data_request: self.transactions_pool.dr_iter().map(|t| t.hash()).collect(),
+            stake: self.transactions_pool.st_iter().map(|t| t.hash()).collect(),
+            unstake: self.transactions_pool.ut_iter().map(|t| t.hash()).collect(),
         };
 
         Ok(res)

node/src/actors/messages.rs

@@ -625,6 +625,10 @@ pub struct GetMempoolResult {
     pub value_transfer: Vec<Hash>,
     /// Pending data request transactions
     pub data_request: Vec<Hash>,
+    /// Pending stake transactions
+    pub stake: Vec<Hash>,
+    /// Pending unstake transactions
+    pub unstake: Vec<Hash>,
 }
 
 /// Try to mine a block: signal the ChainManager to check if it can produce a new block