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core: move System.Runtime.* interops to runtime/ package

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Also extend test suite.
This commit is contained in:
Evgenii Stratonikov 2020-12-02 12:10:43 +03:00
parent 972b0f176d
commit 2eb256014e
7 changed files with 392 additions and 166 deletions
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116
pkg/core/interop/runtime/util_test.go Normal file
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package runtime
import (
"testing"
"github.com/nspcc-dev/neo-go/internal/random"
"github.com/nspcc-dev/neo-go/pkg/core/interop"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/stretchr/testify/require"
)
func TestGasLeft(t *testing.T) {
t.Run("no limit", func(t *testing.T) {
ic := &interop.Context{VM: vm.New()}
ic.VM.GasLimit = -1
ic.VM.AddGas(58)
require.NoError(t, GasLeft(ic))
checkStack(t, ic.VM, -1)
})
t.Run("with limit", func(t *testing.T) {
ic := &interop.Context{VM: vm.New()}
ic.VM.GasLimit = 100
ic.VM.AddGas(58)
require.NoError(t, GasLeft(ic))
checkStack(t, ic.VM, 42)
})
}
func TestRuntimeGetNotifications(t *testing.T) {
v := vm.New()
ic := &interop.Context{
VM: v,
Notifications: []state.NotificationEvent{
{ScriptHash: util.Uint160{1}, Name: "Event1", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{11})})},
{ScriptHash: util.Uint160{2}, Name: "Event2", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{22})})},
{ScriptHash: util.Uint160{1}, Name: "Event1", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{33})})},
},
}
t.Run("NoFilter", func(t *testing.T) {
v.Estack().PushVal(stackitem.Null{})
require.NoError(t, GetNotifications(ic))
arr := v.Estack().Pop().Array()
require.Equal(t, len(ic.Notifications), len(arr))
for i := range arr {
elem := arr[i].Value().([]stackitem.Item)
require.Equal(t, ic.Notifications[i].ScriptHash.BytesBE(), elem[0].Value())
name, err := stackitem.ToString(elem[1])
require.NoError(t, err)
require.Equal(t, ic.Notifications[i].Name, name)
require.Equal(t, ic.Notifications[i].Item, elem[2])
}
})
t.Run("WithFilter", func(t *testing.T) {
h := util.Uint160{2}.BytesBE()
v.Estack().PushVal(h)
require.NoError(t, GetNotifications(ic))
arr := v.Estack().Pop().Array()
require.Equal(t, 1, len(arr))
elem := arr[0].Value().([]stackitem.Item)
require.Equal(t, h, elem[0].Value())
name, err := stackitem.ToString(elem[1])
require.NoError(t, err)
require.Equal(t, ic.Notifications[1].Name, name)
require.Equal(t, ic.Notifications[1].Item, elem[2])
})
t.Run("Bad", func(t *testing.T) {
t.Run("not bytes", func(t *testing.T) {
v.Estack().PushVal(stackitem.NewInterop(util.Uint160{1}))
require.Error(t, GetNotifications(ic))
})
t.Run("not uint160", func(t *testing.T) {
v.Estack().PushVal([]byte{1, 2, 3})
require.Error(t, GetNotifications(ic))
})
t.Run("too many notifications", func(t *testing.T) {
for i := 0; i <= vm.MaxStackSize; i++ {
ic.Notifications = append(ic.Notifications, state.NotificationEvent{
ScriptHash: util.Uint160{3},
Name: "Event3",
Item: stackitem.NewArray(nil),
})
}
v.Estack().PushVal(stackitem.Null{})
require.Error(t, GetNotifications(ic))
})
})
}
func TestRuntimeGetInvocationCounter(t *testing.T) {
ic := &interop.Context{VM: vm.New()}
h := random.Uint160()
ic.VM.Invocations[h] = 42
t.Run("No invocations", func(t *testing.T) {
h1 := h
h1[0] ^= 0xFF
ic.VM.LoadScriptWithHash([]byte{1}, h1, smartcontract.NoneFlag)
// do not return an error in this case.
require.NoError(t, GetInvocationCounter(ic))
checkStack(t, ic.VM, 1)
})
t.Run("NonZero", func(t *testing.T) {
ic.VM.LoadScriptWithHash([]byte{1}, h, smartcontract.NoneFlag)
require.NoError(t, GetInvocationCounter(ic))
checkStack(t, ic.VM, 42)
})
}