emit: converto to Boolean in Bool()

pkg/compiler/convert_test.go

@@ -46,7 +46,7 @@ func TestConvert(t *testing.T) {
 		{"int64", "[]byte{0, 1, 0}", big.NewInt(256)},
 		{"int64", "[]byte{0}", big.NewInt(0)},
 		{"[]byte", "true", []byte{1}},
-		{"[]byte", "false", []byte{}},
+		{"[]byte", "false", []byte{0}},
 		{"[]byte", "12", []byte{0x0C}},
 		{"[]byte", "0", []byte{}},
 		{"[]byte", "[]byte{0, 1, 0}", []byte{0, 1, 0}},

pkg/compiler/struct_test.go

@@ -274,7 +274,7 @@ var structTestCases = []testCase{
 			vm.NewBigIntegerItem(big.NewInt(1)),
 			vm.NewBigIntegerItem(big.NewInt(2)),
 			vm.NewByteArrayItem([]byte("hello")),
-			vm.NewByteArrayItem([]byte{}),
+			vm.NewBoolItem(false),
 		},
 	},
 	{

pkg/vm/emit/emit.go

@@ -31,6 +31,7 @@ func Bool(w *io.BinWriter, ok bool) {
 		return
 	}
 	Opcode(w, opcode.PUSHF)
+	Instruction(w, opcode.CONVERT, []byte{0x20}) // 0x20 for Boolean type
 }
 
 func padRight(s int, buf []byte) []byte {