Evgeniy Kulikov 9c24bf9139 Blockchain graceful shutdown (#139) ... * Blockchain graceful shutdown - fix #138 - stop blockchain goroutine - close leveldb database * fix possible context leak (go vet)		2019-02-19 12:48:48 +01:00
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server.go	Blockchain graceful shutdown (#139)	2019-02-19 12:48:48 +01:00