diff options
Diffstat (limited to 'core/blockchain.go')
| -rw-r--r-- | core/blockchain.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/blockchain.go b/core/blockchain.go index 64c2451..6e316c7 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -732,6 +732,8 @@ func (bc *BlockChain) GetBlock(hash common.Hash, number uint64) *types.Block { // GetBlockByHash retrieves a block from the database by hash, caching it if found. func (bc *BlockChain) GetBlockByHash(hash common.Hash) *types.Block { + bc.chainmu.Lock() + defer bc.chainmu.Unlock() number := bc.hc.GetBlockNumber(hash) if number == nil { return nil @@ -742,6 +744,8 @@ func (bc *BlockChain) GetBlockByHash(hash common.Hash) *types.Block { // GetBlockByNumber retrieves a block from the database by number, caching it // (associated with its hash) if found. func (bc *BlockChain) GetBlockByNumber(number uint64) *types.Block { + bc.chainmu.Lock() + defer bc.chainmu.Unlock() hash := rawdb.ReadCanonicalHash(bc.db, number) if hash == (common.Hash{}) { return nil |