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Merge pull request #1515 from nspcc-dev/new-system-triggers

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New system triggers
This commit is contained in:
Roman Khimov 2020-10-30 10:28:36 +03:00 committed by GitHub
commit 7121686571
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 71 additions and 58 deletions
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12
pkg/core/blockchain.go
View file

@ -565,7 +565,7 @@ func (bc *Blockchain) storeBlock(block *block.Block, txpool *mempool.Pool) error
writeBuf.Reset()
if block.Index > 0 {
aer, err := bc.runPersist(bc.contracts.GetPersistScript(), block, cache)
aer, err := bc.runPersist(bc.contracts.GetPersistScript(), block, cache, trigger.OnPersist)
if err != nil {
return fmt.Errorf("onPersist failed: %w", err)
}
@ -635,7 +635,7 @@ func (bc *Blockchain) storeBlock(block *block.Block, txpool *mempool.Pool) error
}
}
aer, err := bc.runPersist(bc.contracts.GetPostPersistScript(), block, cache)
aer, err := bc.runPersist(bc.contracts.GetPostPersistScript(), block, cache, trigger.PostPersist)
if err != nil {
return fmt.Errorf("postPersist failed: %w", err)
}
@ -704,8 +704,8 @@ func (bc *Blockchain) storeBlock(block *block.Block, txpool *mempool.Pool) error
return nil
}
func (bc *Blockchain) runPersist(script []byte, block *block.Block, cache *dao.Cached) (*state.AppExecResult, error) {
systemInterop := bc.newInteropContext(trigger.System, cache, block, nil)
func (bc *Blockchain) runPersist(script []byte, block *block.Block, cache *dao.Cached, trig trigger.Type) (*state.AppExecResult, error) {
systemInterop := bc.newInteropContext(trig, cache, block, nil)
v := systemInterop.SpawnVM()
v.LoadScriptWithFlags(script, smartcontract.AllowModifyStates|smartcontract.AllowCall)
v.SetPriceGetter(getPrice)
@ -719,7 +719,7 @@ func (bc *Blockchain) runPersist(script []byte, block *block.Block, cache *dao.C
}
return &state.AppExecResult{
TxHash: block.Hash(), // application logs can be retrieved by block hash
Trigger: trigger.System,
Trigger: trig,
VMState: v.State(),
GasConsumed: v.GasConsumed(),
Stack: v.Estack().ToArray(),
@ -1143,7 +1143,7 @@ func (bc *Blockchain) UnsubscribeFromExecutions(ch chan<- *state.AppExecResult)
// CalculateClaimable calculates the amount of GAS generated by owning specified
// amount of NEO between specified blocks.
func (bc *Blockchain) CalculateClaimable(value *big.Int, startHeight, endHeight uint32) *big.Int {
ic := bc.newInteropContext(trigger.System, bc.dao, nil, nil)
ic := bc.newInteropContext(trigger.Application, bc.dao, nil, nil)
res, _ := bc.contracts.NEO.CalculateBonus(ic, value, startHeight, endHeight)
return res
}

9
pkg/core/interop_neo_test.go
View file

@ -147,10 +147,9 @@ func TestECDSAVerify(t *testing.T) {
ic := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet), nil, nil)
runCase := func(t *testing.T, isErr bool, result interface{}, args ...interface{}) {
v := vm.New()
ic.VM = v
ic.SpawnVM()
for i := range args {
v.Estack().PushVal(args[i])
ic.VM.Estack().PushVal(args[i])
}
var err error
@ -168,8 +167,8 @@ func TestECDSAVerify(t *testing.T) {
return
}
require.NoError(t, err)
require.Equal(t, 1, v.Estack().Len())
require.Equal(t, result, v.Estack().Pop().Value().(bool))
require.Equal(t, 1, ic.VM.Estack().Len())
require.Equal(t, result, ic.VM.Estack().Pop().Value().(bool))
}
msg := []byte("test message")

29
pkg/core/interop_system_test.go
View file

@ -506,23 +506,21 @@ func getTestContractState() (*state.Contract, *state.Contract) {
}
func loadScript(ic *interop.Context, script []byte, args ...interface{}) {
v := vm.New()
v.LoadScriptWithFlags(script, smartcontract.AllowCall)
ic.SpawnVM()
ic.VM.LoadScriptWithFlags(script, smartcontract.AllowCall)
for i := range args {
v.Estack().PushVal(args[i])
ic.VM.Estack().PushVal(args[i])
}
v.GasLimit = -1
ic.VM = v
ic.VM.GasLimit = -1
}
func loadScriptWithHashAndFlags(ic *interop.Context, script []byte, hash util.Uint160, f smartcontract.CallFlag, args ...interface{}) {
v := vm.New()
v.LoadScriptWithHash(script, hash, f)
ic.SpawnVM()
ic.VM.LoadScriptWithHash(script, hash, f)
for i := range args {
v.Estack().PushVal(args[i])
ic.VM.Estack().PushVal(args[i])
}
v.GasLimit = -1
ic.VM = v
ic.VM.GasLimit = -1
}
func TestContractCall(t *testing.T) {
@ -1029,15 +1027,14 @@ func TestMethodCallback(t *testing.T) {
require.Error(t, callback.Invoke(ic))
})
t.Run("CallIsNotAllowed", func(t *testing.T) {
v := vm.New()
ic.VM = v
v.Load(currCs.Script)
v.Estack().PushVal("add")
v.Estack().PushVal(rawHash)
ic.SpawnVM()
ic.VM.Load(currCs.Script)
ic.VM.Estack().PushVal("add")
ic.VM.Estack().PushVal(rawHash)
require.NoError(t, callback.CreateFromMethod(ic))
args := stackitem.NewArray([]stackitem.Item{stackitem.Make(1), stackitem.Make(5)})
v.Estack().InsertAt(vm.NewElement(args), 1)
ic.VM.Estack().InsertAt(vm.NewElement(args), 1)
require.Error(t, callback.Invoke(ic))
})
})

4
pkg/core/native/contract.go
View file

@ -116,8 +116,8 @@ func (cs *Contracts) GetPostPersistScript() []byte {
}
func postPersistBase(ic *interop.Context) error {
if ic.Trigger != trigger.System {
return errors.New("'postPersist' should be trigered by system")
if ic.Trigger != trigger.PostPersist {
return errors.New("postPersist must be trigered by system")
}
return nil
}

4
pkg/core/native/native_nep5.go
View file

@ -261,8 +261,8 @@ func (c *nep5TokenNative) addTokens(ic *interop.Context, h util.Uint160, amount
}
func (c *nep5TokenNative) OnPersist(ic *interop.Context) error {
if ic.Trigger != trigger.System {
return errors.New("onPersist should be triggerred by system")
if ic.Trigger != trigger.OnPersist {
return errors.New("onPersist must be triggerred by system")
}
return nil
}

2
pkg/core/native_contract_test.go
View file

@ -39,7 +39,7 @@ func (tn *testNative) Metadata() *interop.ContractMD {
}
func (tn *testNative) OnPersist(ic *interop.Context, _ []stackitem.Item) stackitem.Item {
if ic.Trigger != trigger.System {
if ic.Trigger != trigger.OnPersist {
panic("invalid trigger")
}
select {

4
pkg/core/native_designate_test.go
View file

@ -78,8 +78,8 @@ func TestDesignate_DesignateAsRole(t *testing.T) {
des := bc.contracts.Designate
tx := transaction.New(netmode.UnitTestNet, []byte{}, 0)
ic := bc.newInteropContext(trigger.System, bc.dao, nil, tx)
ic.VM = vm.New()
ic := bc.newInteropContext(trigger.OnPersist, bc.dao, nil, tx)
ic.SpawnVM()
ic.VM.LoadScript([]byte{byte(opcode.RET)})
pubs, err := des.GetDesignatedByRole(bc.dao, 0xFF)

11
pkg/core/native_neo_test.go
View file

@ -13,7 +13,6 @@ import (
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"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"
)
@ -31,8 +30,8 @@ func TestNEO_Vote(t *testing.T) {
neo := bc.contracts.NEO
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
ic := bc.newInteropContext(trigger.System, bc.dao, nil, tx)
ic.VM = vm.New()
ic := bc.newInteropContext(trigger.Application, bc.dao, nil, tx)
ic.SpawnVM()
ic.Block = bc.newBlock(tx)
freq := testchain.ValidatorsCount + testchain.CommitteeSize()
@ -125,8 +124,8 @@ func TestNEO_SetGasPerBlock(t *testing.T) {
neo := bc.contracts.NEO
tx := transaction.New(netmode.UnitTestNet, []byte{}, 0)
ic := bc.newInteropContext(trigger.System, bc.dao, nil, tx)
ic.VM = vm.New()
ic := bc.newInteropContext(trigger.Application, bc.dao, nil, tx)
ic.SpawnVM()
ic.VM.LoadScript([]byte{byte(opcode.RET)})
h := neo.GetCommitteeAddress()
@ -184,7 +183,7 @@ func TestNEO_CalculateBonus(t *testing.T) {
neo := bc.contracts.NEO
tx := transaction.New(netmode.UnitTestNet, []byte{}, 0)
ic := bc.newInteropContext(trigger.System, bc.dao, nil, tx)
ic := bc.newInteropContext(trigger.Application, bc.dao, nil, tx)
ic.SpawnVM()
ic.VM.LoadScript([]byte{byte(opcode.RET)})
t.Run("Invalid", func(t *testing.T) {

2
pkg/core/state/notification_event_test.go
View file

@ -116,7 +116,7 @@ func TestMarshalUnmarshalJSONAppExecResult(t *testing.T) {
t.Run("positive, block", func(t *testing.T) {
appExecResult := &AppExecResult{
TxHash: random.Uint256(),
Trigger: trigger.System,
Trigger: trigger.OnPersist,
VMState: vm.HaltState,
GasConsumed: 10,
Stack: []stackitem.Item{},

3
pkg/interop/runtime/runtime.go
View file

@ -8,7 +8,8 @@ import "github.com/nspcc-dev/neo-go/pkg/interop"
// Trigger values to compare with GetTrigger result.
const (
System byte = 0x01
OnPersist byte = 0x01
PostPersist byte = 0x02
Application byte = 0x40
Verification byte = 0x20
)

2
pkg/rpc/server/server_test.go
View file

@ -770,7 +770,7 @@ func testRPCProtocol(t *testing.T, doRPCCall func(string, string, *testing.T) []
data := checkErrGetResult(t, body, false)
var res state.AppExecResult
require.NoError(t, json.Unmarshal(data, &res))
require.Equal(t, trigger.System, res.Trigger)
require.Equal(t, trigger.PostPersist, res.Trigger)
require.Equal(t, vm.HaltState, res.VMState)
})

15
pkg/smartcontract/trigger/trigger_type.go
View file

@ -9,8 +9,15 @@ type Type byte
// Viable list of supported trigger type constants.
const (
// System is trigger type that indicates that script is being invoke internally by the system.
System Type = 0x01
// OnPersist is a trigger type that indicates that script is being invoked
// internally by the system during block persistence (before transaction
// processing).
OnPersist Type = 0x01
// PostPersist is a trigger type that indicates that script is being invoked
// by the system after block persistence (transcation processing) has
// finished.
PostPersist Type = 0x02
// The verification trigger indicates that the contract is being invoked as a verification function.
// The verification function can accept multiple parameters, and should return a boolean value that indicates the validity of the transaction or block.
@ -27,12 +34,12 @@ const (
Application Type = 0x40
// All represents any trigger type.
All Type = System | Verification | Application
All Type = OnPersist | PostPersist | Verification | Application
)
// FromString converts string to trigger Type
func FromString(str string) (Type, error) {
triggers := []Type{System, Verification, Application, All}
triggers := []Type{OnPersist, PostPersist, Verification, Application, All}
for _, t := range triggers {
if t.String() == str {
return t, nil

18
pkg/smartcontract/trigger/trigger_type_string.go
View file

@ -8,28 +8,34 @@ func _() {
// An "invalid array index" compiler error signifies that the constant values have changed.
// Re-run the stringer command to generate them again.
var x [1]struct{}
_ = x[System-1]
_ = x[OnPersist-1]
_ = x[PostPersist-2]
_ = x[Verification-32]
_ = x[Application-64]
_ = x[All-97]
_ = x[All-99]
}
const (
_Type_name_0 = "System"
_Type_name_0 = "OnPersistPostPersist"
_Type_name_1 = "Verification"
_Type_name_2 = "Application"
_Type_name_3 = "All"
)
var (
_Type_index_0 = [...]uint8{0, 9, 20}
)
func (i Type) String() string {
switch {
case i == 1:
return _Type_name_0
case 1 <= i && i <= 2:
i -= 1
return _Type_name_0[_Type_index_0[i]:_Type_index_0[i+1]]
case i == 32:
return _Type_name_1
case i == 64:
return _Type_name_2
case i == 97:
case i == 99:
return _Type_name_3
default:
return "Type(" + strconv.FormatInt(int64(i), 10) + ")"

12
pkg/smartcontract/trigger/trigger_type_test.go
View file

@ -9,7 +9,8 @@ import (
func TestStringer(t *testing.T) {
tests := map[Type]string{
System: "System",
OnPersist: "OnPersist",
PostPersist: "PostPersist",
Application: "Application",
Verification: "Verification",
}
@ -20,7 +21,8 @@ func TestStringer(t *testing.T) {
func TestEncodeBynary(t *testing.T) {
tests := map[Type]byte{
System: 0x01,
OnPersist: 0x01,
PostPersist: 0x02,
Verification: 0x20,
Application: 0x40,
}
@ -31,7 +33,8 @@ func TestEncodeBynary(t *testing.T) {
func TestDecodeBynary(t *testing.T) {
tests := map[Type]byte{
System: 0x01,
OnPersist: 0x01,
PostPersist: 0x02,
Verification: 0x20,
Application: 0x40,
}
@ -42,7 +45,8 @@ func TestDecodeBynary(t *testing.T) {
func TestFromString(t *testing.T) {
testCases := map[string]Type{
"System": System,
"OnPersist": OnPersist,
"PostPersist": PostPersist,
"Application": Application,
"Verification": Verification,
"All": All,

2
pkg/vm/vm.go
View file

@ -87,7 +87,7 @@ type VM struct {
// New returns a new VM object ready to load AVM bytecode scripts.
func New() *VM {
return NewWithTrigger(trigger.System)
return NewWithTrigger(trigger.Application)
}
// NewWithTrigger returns a new VM for executions triggered by t.