6 Commits

Author	SHA1	Message	Date
mingda	513e9f3352	add prevent retrance to donate	2020-07-30 13:58:20 +08:00
mingda	03a6d6ed85	reduce gas cost	2020-07-24 01:48:32 +08:00
mingda	739195b326	simplify code to reduce deploy gas cost	2020-07-11 16:21:54 +08:00
mingda	8e64b5e370	simplify events	2020-07-11 13:57:07 +08:00
mingda	cae14bde20	[audit]#11 check balance when transfer in/out	2020-07-10 13:35:10 +08:00
mingda	c72bcae8e9	first commit	2020-06-26 00:31:25 +08:00