fix reorg: remove check partial_chain_work.

Author: EthanYuan

checksums.txt

@@ -1,2 +1,2 @@
 6bbea4820329050e1fc65f9c15cab5948b824c73aa3430d7d92b793c53ca66b6  build/release/can-update-without-ownership-lock
-eaa9e3aeb1205e611078a819e960c33f4934ea49029aab3445a241955e696ee1  build/release/ckb-bitcoin-spv-type-lock
+cfa7d777f246ebd037af156db73c6c7eab3e8e4e1f6e15783a68d2a164875032  build/release/ckb-bitcoin-spv-type-lock

contracts/ckb-bitcoin-spv-type-lock/src/operations/reorg.rs

@@ -26,7 +26,7 @@ pub(crate) fn reorg_clients(inputs: &[usize], outputs: &[usize], script_hash: &[
         expected_info,
         expected_tip_client_id,
         expected_client_ids,
-        previous_chain_work,
+        _previous_chain_work,
         fork_client_id,
         flags,
     ) = {
@@ -53,13 +53,17 @@ pub(crate) fn reorg_clients(inputs: &[usize], outputs: &[usize], script_hash: &[
     let (output_client, output_info_index) =
         load_outputs(outputs, &expected_info, expected_client_ids)?;
     {
-        let new_chain_work: U256 = output_client
-            .headers_mmr_root()
-            .partial_chain_work()
-            .unpack();
-        if previous_chain_work >= new_chain_work {
-            return Err(InternalError::ReorgNotBetterChain.into());
-        }
+        // If there is a limit on the number of headers to update
+        // it may cause the current work to be insufficient, but still on the main chain
+        // so here we no longer check the chain work
+
+        // let new_chain_work: U256 = output_client
+        //     .headers_mmr_root()
+        //     .partial_chain_work()
+        //     .unpack();
+        // if previous_chain_work >= new_chain_work {
+        //     return Err(InternalError::ReorgNotBetterChain.into());
+        // }
     }
     // Finds the only one index of cell deps which use current script.
     // That cell should be the client which at the fork point.