From b71fae628d97ada84c533ce746d4d7980a9f6d73 Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Tue, 21 Oct 2025 09:23:53 +0800
Subject: perf(Block::verify_pow): directly use self.hash

chore(Block::Hash)!: panic when trying to hash with no PoW
---
 src/blocks.rs | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

(limited to 'src/blocks.rs')

diff --git a/src/blocks.rs b/src/blocks.rs
index 758fe71..288e754 100644
--- a/src/blocks.rs
+++ b/src/blocks.rs
@@ -42,9 +42,9 @@ impl Block {
         unreachable!()
     }
 
-    pub fn verify_pow(&mut self, pow: u64) -> bool {
+    pub fn verify_pow(&mut self) -> bool {
         let mut hasher = DefaultHasher::new();
-        (&self.prev_hash, &self.trans, pow).hash(&mut hasher);
+        self.hash(&mut hasher);
         hasher
             .finish()
             .to_string()
@@ -66,15 +66,9 @@ impl Hash for Block {
             .hash(state);
         self.trans
             .hash(state);
-        if self
-            .pow
-            .is_none()
-        {
-            Self::calc_pow(self).hash(state);
-        } else {
-            self.pow
-                .hash(state);
-        }
+        self.pow
+            .expect("Cannot hash whole block with no PoW")
+            .hash(state);
     }
 }
 
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