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-rw-r--r--core/block_cache.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/core/block_cache.go b/core/block_cache.go
index eeef5c41d..0c747d37c 100644
--- a/core/block_cache.go
+++ b/core/block_cache.go
@@ -85,6 +85,9 @@ func (bc *BlockCache) Get(hash common.Hash) *types.Block {
}
func (bc *BlockCache) Has(hash common.Hash) bool {
+ bc.mu.RLock()
+ defer bc.mu.RUnlock()
+
_, ok := bc.blocks[hash]
return ok
}