Decode block header only in Index::index_blockfiles (ordinals#132)

popcnt1 · Feb 14, 2022 · 90b5f25 · 90b5f25
1 parent 1a5dbb2
commit 90b5f25
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/src/index.rs b/src/index.rs
@@ -219,10 +219,10 @@ impl Index {
 
         let bytes = &blocks[start..end];
 
-        let block = Block::consensus_decode(bytes)?;
-        let hash = block.block_hash();
+        let header = BlockHeader::consensus_decode(&bytes[0..80])?;
+        let hash = header.block_hash();
 
-        if block.header.prev_blockhash == Default::default() {
+        if header.prev_blockhash == Default::default() {
           if genesis {
             return Err("Duplicate genesis block found".into());
           }
@@ -236,7 +236,7 @@ impl Index {
           genesis = true;
         }
 
-        hash_to_children.insert(&block.header.prev_blockhash, &block.block_hash())?;
+        hash_to_children.insert(&header.prev_blockhash, &hash)?;
 
         hash_to_block.insert(&hash, bytes)?;
 

diff --git a/src/main.rs b/src/main.rs
@@ -6,7 +6,7 @@ use {
   bitcoin::{
     blockdata::constants::COIN_VALUE,
     consensus::{Decodable, Encodable},
-    Block, Network, OutPoint, Transaction,
+    Block, BlockHeader, Network, OutPoint, Transaction,
   },
   derive_more::{Display, FromStr},
   integer_cbrt::IntegerCubeRoot,