Critical bugrisk : Value assigned to a variable is never read before being overwritten

[philipjonsen]

DESCRIPTION:

Value has been assigned to a variable, but it is being overwritten before being read. In most cases, this could be a forgotten error check or dead code.

this value of calleeAddr is never used
shentu/blob/master/x/cvm/keeper/keeper.go#L116-L116

this value of value is never used
shentu/blob/master/vm/vm_test.go#L126-L126

value of err is never used
shentu/blob/master/x/cvm/keeper/keeper.go#L83-L83
/shentu/blob/master/app/export.go#L75-L75