From cadbb7e78aca4378364c8d55503824fb55d30e38 Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Thu, 23 Oct 2025 22:09:26 +0800
Subject: feat: bc verify command

API: HashChain::verify now takes Vec instead of &[]
---
 src/hash_chain.rs |  2 +-
 src/ui.rs         | 20 +++++++++++++++-----
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/hash_chain.rs b/src/hash_chain.rs
index f21b1d2..e0ae1f2 100644
--- a/src/hash_chain.rs
+++ b/src/hash_chain.rs
@@ -53,7 +53,7 @@ impl<T: Encode> HashChain<T> {
         self.rehash(&base_hash);
     }
 
-    pub fn verify(&self, until_hash: &[u8]) -> bool {
+    pub fn verify(&self, until_hash: Vec<u8>) -> bool {
         let pos = self
             .data
             .iter()
diff --git a/src/ui.rs b/src/ui.rs
index 446fdb6..fe2d186 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -56,11 +56,21 @@ impl Ui {
                     .get_blockchain()
                     .clone()
             };
-            println!(
-                "{:#?}",
-                bc.lock()
-                    .await
-            );
+            let bc = bc
+                .lock()
+                .await;
+            if let Some(cmd) = cmd.get(1) {
+                if *cmd == "verify" {
+                    bc.verify(
+                        bc.last()
+                            .unwrap()
+                            .0
+                            .clone(),
+                    );
+                }
+            } else {
+                println!("{:#?}", bc);
+            }
         }
 
         if cmd[0] == "peer" {
-- 
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