package core import ( "testing" "github.com/nspcc-dev/neo-go/pkg/core/dao" "github.com/nspcc-dev/neo-go/pkg/core/storage" "github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm" "github.com/nspcc-dev/neo-go/pkg/vm/opcode" "github.com/stretchr/testify/require" ) // These tests are taken from C# code // https://github.com/neo-project/neo/blob/master-2.x/neo.UnitTests/UT_InteropPrices.cs#L245 func TestGetPrice(t *testing.T) { bc := newTestChain(t) defer bc.Close() sdao := dao.NewSimple(storage.NewMemoryStore()) systemInterop := bc.newInteropContext(trigger.Application, sdao, nil, nil) v := SpawnVM(systemInterop) v.SetPriceGetter(getPrice) t.Run("System.Storage.Put", func(t *testing.T) { // System.Storage.Put: e63f1884 (requires push key and value) v.Load([]byte{byte(opcode.PUSH3), byte(opcode.PUSH3), byte(opcode.PUSH0), byte(opcode.SYSCALL), 0xe6, 0x3f, 0x18, 0x84}) require.NoError(t, v.StepInto()) // push 03 (length 1) require.NoError(t, v.StepInto()) // push 03 (length 1) require.NoError(t, v.StepInto()) // push 00 checkGas(t, util.Fixed8FromInt64(1), v) }) t.Run("System.Storage.PutEx", func(t *testing.T) { // System.Storage.PutEx: 73e19b3a (requires push key and value) v.Load([]byte{byte(opcode.PUSH3), byte(opcode.PUSH3), byte(opcode.PUSH0), byte(opcode.SYSCALL), 0x73, 0xe1, 0x9b, 0x3a}) require.NoError(t, v.StepInto()) // push 03 (length 1) require.NoError(t, v.StepInto()) // push 03 (length 1) require.NoError(t, v.StepInto()) // push 00 checkGas(t, util.Fixed8FromInt64(1), v) }) } func checkGas(t *testing.T, expected util.Fixed8, v *vm.VM) { op, par, err := v.Context().Next() require.NoError(t, err) require.Equal(t, expected, getPrice(v, op, par)) }