Support nonced transactions in the CLI (#7624)

* Support nonced transactions in the CLI

* Update nonce.rs

client/src/mock_rpc_client_request.rs

@@ -9,18 +9,28 @@ use solana_sdk::{
     instruction::InstructionError,
     transaction::{self, TransactionError},
 };
+use std::{collections::HashMap, sync::RwLock};
 
 pub const PUBKEY: &str = "7RoSF9fUmdphVCpabEoefH81WwrW7orsWonXWqTXkKV8";
 pub const SIGNATURE: &str =
     "43yNSFC6fYTuPgTNFFhF4axw7AfWxB2BPdurme8yrsWEYwm8299xh8n6TAHjGymiSub1XtyxTNyd9GBfY2hxoBw8";
 
+pub type Mocks = HashMap<RpcRequest, Value>;
 pub struct MockRpcClientRequest {
+    mocks: RwLock<Mocks>,
     url: String,
 }
 
 impl MockRpcClientRequest {
     pub fn new(url: String) -> Self {
-        Self { url }
+        Self::new_with_mocks(url, Mocks::default())
+    }
+
+    pub fn new_with_mocks(url: String, mocks: Mocks) -> Self {
+        Self {
+            url,
+            mocks: RwLock::new(mocks),
+        }
     }
 }
 
@@ -31,6 +41,9 @@ impl GenericRpcClientRequest for MockRpcClientRequest {
         params: serde_json::Value,
         _retries: usize,
     ) -> Result<serde_json::Value, ClientError> {
+        if let Some(value) = self.mocks.write().unwrap().remove(request) {
+            return Ok(value);
+        }
         if self.url == "fails" {
             return Ok(Value::Null);
         }

client/src/rpc_client.rs

@@ -2,7 +2,7 @@ use crate::rpc_request::{Response, RpcResponse};
 use crate::{
     client_error::ClientError,
     generic_rpc_client_request::GenericRpcClientRequest,
-    mock_rpc_client_request::MockRpcClientRequest,
+    mock_rpc_client_request::{MockRpcClientRequest, Mocks},
     rpc_client_request::RpcClientRequest,
     rpc_request::{
         RpcConfirmedBlock, RpcContactInfo, RpcEpochInfo, RpcLeaderSchedule, RpcRequest,
@@ -48,6 +48,12 @@ impl RpcClient {
         }
     }
 
+    pub fn new_mock_with_mocks(url: String, mocks: Mocks) -> Self {
+        Self {
+            client: Box::new(MockRpcClientRequest::new_with_mocks(url, mocks)),
+        }
+    }
+
     pub fn new_socket(addr: SocketAddr) -> Self {
         Self::new(get_rpc_request_str(addr, false))
     }

client/src/rpc_request.rs

@@ -113,7 +113,7 @@ pub struct RpcVoteAccountInfo {
     pub root_slot: Slot,
 }
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Eq, Hash)]
 pub enum RpcRequest {
     ConfirmTransaction,
     DeregisterNode,