Xiang Li fb12a4e412 storage: fix a deadlock in batch tx %!s(int64=11) %!d(string=hai) anos
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backend.go 49da7b6556 storage: add boltdb as dependency %!s(int64=11) %!d(string=hai) anos
backend_bench_test.go 4b0d9f69c7 storage: add a simple backend and kv example %!s(int64=11) %!d(string=hai) anos
backend_test.go e332e86b5d storage: address barak's comments %!s(int64=11) %!d(string=hai) anos
batch_tx.go fb12a4e412 storage: fix a deadlock in batch tx %!s(int64=11) %!d(string=hai) anos