Liang Ma 157f09e5b6 core/vm: Correct the Memory Gas Overflow condition
previous overflow condition is too big to use.
0x7FFFFFFFF squre operation is overflowed uint64.

0x7FFFFFFFF^2 = 0x3F FFFF FFF0 0000 0001
2019-03-28 21:04:31 +00:00
..
2018-03-26 13:48:04 +03:00
2019-02-18 12:14:49 +01:00