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vm: fix INVERT behaviour for converted values

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Tests added were failing before this change.
This commit is contained in:
Roman Khimov 2019-12-17 14:01:15 +03:00
parent 4b4e492954
commit c596a6b273
2 changed files with 17 additions and 2 deletions
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5
pkg/vm/vm.go
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@ -677,8 +677,9 @@ func (v *VM) execute(ctx *Context, op opcode.Opcode, parameter []byte) (err erro
// Bit operations.
case opcode.INVERT:
// inplace
a := v.estack.Peek(0).BigInt()
a.Not(a)
e := v.estack.Peek(0)
i := e.BigInt()
e.value = makeStackItem(i.Not(i))
case opcode.AND:
b := v.estack.Pop().BigInt()

14
pkg/vm/vm_test.go
View file

@ -1759,6 +1759,20 @@ func TestINVERTgood3(t *testing.T) {
assert.Equal(t, int64(-0x6A), vm.estack.Peek(0).BigInt().Int64())
}
func TestINVERTWithConversion1(t *testing.T) {
prog := makeProgram(opcode.PUSHDATA2, 0, 0, opcode.INVERT)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, int64(-1), vm.estack.Peek(0).BigInt().Int64())
}
func TestINVERTWithConversion2(t *testing.T) {
prog := makeProgram(opcode.PUSH0, opcode.PUSH1, opcode.NUMEQUAL, opcode.INVERT)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, int64(-1), vm.estack.Peek(0).BigInt().Int64())
}
func TestCATBadNoArgs(t *testing.T) {
prog := makeProgram(opcode.CAT)
vm := load(prog)