fix: fix dao generation bug

nervosnetwork · May 12, 2019 · 91f40ee · 91f40ee
1 parent a8fb137
commit 91f40ee
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/ckb/wallet.rb b/lib/ckb/wallet.rb
@@ -130,6 +130,10 @@ def generate_withdraw_from_dao_transaction(cell_out_point)
       current_block = api.get_tip_header
       current_block_number = current_block.number.to_i
 
+      if deposit_block_number == current_block_number
+        raise "You need to at least wait for 1 block before generating DAO withdraw transaction!"
+      end
+
       windowleft = DAO_LOCK_PERIOD_BLOCKS - (current_block_number - deposit_block_number) % DAO_LOCK_PERIOD_BLOCKS
       windowleft = DAO_MATURITY_BLOCKS if windowleft < DAO_MATURITY_BLOCKS
       since = current_block_number + windowleft + 1