*: move NativeUpdateHistory logic under Hardforks management

Close #3196.

Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>

config/protocol.mainnet.neofs.yml

@@ -26,17 +26,6 @@ ProtocolConfiguration:
   Hardforks:
     Aspidochelone: 3000000
     Basilisk: 4500000
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
-    Notary: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.mainnet.yml

@@ -38,16 +38,6 @@ ProtocolConfiguration:
   Hardforks:
     Aspidochelone: 1730000
     Basilisk: 4120000
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.privnet.docker.four.yml

@@ -16,16 +16,6 @@ ProtocolConfiguration:
     - node_four:20336
   VerifyTransactions: true
   P2PSigExtensions: false
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.privnet.docker.one.yml

@@ -16,16 +16,6 @@ ProtocolConfiguration:
     - node_four:20336
   VerifyTransactions: true
   P2PSigExtensions: false
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.privnet.docker.single.yml

@@ -10,16 +10,6 @@ ProtocolConfiguration:
     - node_single:20333
   VerifyTransactions: true
   P2PSigExtensions: false
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.privnet.docker.three.yml

@@ -16,16 +16,6 @@ ProtocolConfiguration:
     - node_four:20336
   VerifyTransactions: true
   P2PSigExtensions: false
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.privnet.docker.two.yml

@@ -16,16 +16,6 @@ ProtocolConfiguration:
     - node_four:20336
   VerifyTransactions: true
   P2PSigExtensions: false
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.privnet.yml

@@ -16,16 +16,6 @@ ProtocolConfiguration:
     - localhost:20336
   VerifyTransactions: true
   P2PSigExtensions: false
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.testnet.neofs.yml

@@ -24,17 +24,6 @@ ProtocolConfiguration:
   - morph7.t5.fs.neo.org:50333
   VerifyTransactions: true
   P2PSigExtensions: true
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
-    Notary: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.testnet.yml

@@ -41,16 +41,6 @@ ProtocolConfiguration:
   Hardforks:
     Aspidochelone: 210000
     Basilisk: 2680000
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 
 ApplicationConfiguration:
   SkipBlockVerification: false

config/protocol.unit_testnet.single.yml

@@ -8,17 +8,6 @@ ProtocolConfiguration:
   ValidatorsCount: 1
   VerifyTransactions: true
   P2PSigExtensions: true
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
-    Notary: [0]
   Hardforks:
     Aspidochelone: 25
 

config/protocol.unit_testnet.yml

@@ -17,17 +17,6 @@ ProtocolConfiguration:
     - 127.0.0.1:20336
   VerifyTransactions: true
   P2PSigExtensions: true
-  NativeActivations:
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
-    Notary: [0]
   Hardforks:
     Aspidochelone: 25
 

docs/node-configuration.md

@@ -334,7 +334,6 @@ protocol-related settings described in the table below.
 | MaxTransactionsPerBlock | `uint16` | `512` | Maximum number of transactions per block. |
 | MaxValidUntilBlockIncrement | `uint32` | `5760` | Upper height increment limit for transaction's ValidUntilBlock field value relative to the current blockchain height, exceeding which a transaction will fail validation. It is set to estimated daily number of blocks with 15s interval by default. |
 | MemPoolSize | `int` | `50000` | Size of the node's memory pool where transactions are stored before they are added to block. |
-| NativeActivations | `map[string][]uint32` | ContractManagement: [0]<br>StdLib: [0]<br>CryptoLib: [0]<br>LedgerContract: [0]<br>NeoToken: [0]<br>GasToken: [0]<br>PolicyContract: [0]<br>RoleManagement: [0]<br>OracleContract: [0] | The list of histories of native contracts updates. Each list item shod be presented as a known native contract name with the corresponding list of chain's heights. The contract is not active until chain reaches the first height value specified in the list. | `Notary` is supported. |
 | P2PNotaryRequestPayloadPoolSize | `int` | `1000` | Size of the node's P2P Notary request payloads memory pool where P2P Notary requests are stored before main or fallback transaction is completed and added to the chain.<br>This option is valid only if `P2PSigExtensions` are enabled. | Not supported by the C# node, thus may affect heterogeneous networks functionality. |
 | P2PSigExtensions | `bool` | `false` | Enables following additional Notary service related logic:<br>• Transaction attribute `NotaryAssisted`<br>• Network payload of the `P2PNotaryRequest` type<br>• Native `Notary` contract<br>• Notary node module | Not supported by the C# node, thus may affect heterogeneous networks functionality. |
 | P2PStateExchangeExtensions | `bool` | `false` | Enables the following P2P MPT state data exchange logic: <br>• `StateSyncInterval` protocol setting <br>• P2P commands `GetMPTDataCMD` and `MPTDataCMD` | Not supported by the C# node, thus may affect heterogeneous networks functionality. Can be supported either on MPT-complete node (`KeepOnlyLatestState`=`false`) or on light GC-enabled node (`RemoveUntraceableBlocks=true`) in which case `KeepOnlyLatestState` setting doesn't change the behavior, an appropriate set of MPTs is always stored (see `RemoveUntraceableBlocks`). |
@@ -383,9 +382,9 @@ where:
   
   Note that Roles is a NeoGo extension that isn't supported by the NeoC# node and
   must be disabled on the public Neo N3 networks. Roles extension is compatible
-  with NativeUpdateHistory setting, which means that specified roles will be set
+  with Hardforks setting, which means that specified roles will be set
   only during native RoleManagement contract initialisation (which may be
-  performed in some non-genesis block). By default, no roles are designated.
+  performed in some non-genesis hardfork). By default, no roles are designated.
 
 - `Transaction` is a container for transaction script that should be deployed in
   the genesis block if provided. `Transaction` includes `Script` which is a

docs/notary.md

@@ -171,9 +171,8 @@ verify and broadcast `P2PNotaryRequest` P2P payloads, properly initialize native
 Notary contract and designate `P2PNotary` node role in RoleManagement native
 contract.
 
-If you use custom `NativeActivations` subsection of the `ProtocolConfiguration`
-section in your node config, specify the height of the Notary contract
-activation, e.g. `0`.
+Currently, Notary contract activation height is not configurable and is always
+set to 0 (if `P2PSigExtensions` are enabled).
 
 Note, that even if `P2PSigExtensions` config subsection enables notary-related
 logic in the network, it still does not turn your node into notary service node.
@@ -184,17 +183,6 @@ To enable notary service node functionality refer to the
 
 ```
   P2PSigExtensions: true
-  NativeActivations:
-    Notary: [0]
-    ContractManagement: [0]
-    StdLib: [0]
-    CryptoLib: [0]
-    LedgerContract: [0]
-    NeoToken: [0]
-    GasToken: [0]
-    PolicyContract: [0]
-    RoleManagement: [0]
-    OracleContract: [0]
 ```
 
 

pkg/config/protocol_config.go

@@ -7,7 +7,6 @@ import (
 	"time"
 
 	"github.com/nspcc-dev/neo-go/pkg/config/netmode"
-	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
 )
 
@@ -44,8 +43,6 @@ type (
 		// exceeding that a transaction should fail validation. It is set to estimated daily number
 		// of blocks with 15s interval.
 		MaxValidUntilBlockIncrement uint32 `yaml:"MaxValidUntilBlockIncrement"`
-		// NativeUpdateHistories is a list of histories of native contracts updates.
-		NativeUpdateHistories map[string][]uint32 `yaml:"NativeActivations"`
 		// P2PSigExtensions enables additional signature-related logic.
 		P2PSigExtensions bool `yaml:"P2PSigExtensions"`
 		// P2PStateExchangeExtensions enables additional P2P MPT state data exchange logic.
@@ -86,11 +83,6 @@ func (p *ProtocolConfiguration) Validate() error {
 	if p.TimePerBlock%time.Millisecond != 0 {
 		return errors.New("TimePerBlock must be an integer number of milliseconds")
 	}
-	for name := range p.NativeUpdateHistories {
-		if !nativenames.IsValid(name) {
-			return fmt.Errorf("NativeActivations configuration section contains unexpected native contract name: %s", name)
-		}
-	}
 	for name := range p.Hardforks {
 		if !IsHardforkValid(name) {
 			return fmt.Errorf("Hardforks configuration section contains unexpected hardfork: %s", name)
@@ -237,7 +229,6 @@ func (p *ProtocolConfiguration) Equals(o *ProtocolConfiguration) bool {
 		p.VerifyTransactions != o.VerifyTransactions ||
 		len(p.CommitteeHistory) != len(o.CommitteeHistory) ||
 		len(p.Hardforks) != len(o.Hardforks) ||
-		len(p.NativeUpdateHistories) != len(o.NativeUpdateHistories) ||
 		len(p.SeedList) != len(o.SeedList) ||
 		len(p.StandbyCommittee) != len(o.StandbyCommittee) ||
 		len(p.ValidatorsHistory) != len(o.ValidatorsHistory) {
@@ -255,17 +246,6 @@ func (p *ProtocolConfiguration) Equals(o *ProtocolConfiguration) bool {
 			return false
 		}
 	}
-	for k, v := range p.NativeUpdateHistories {
-		vo := o.NativeUpdateHistories[k]
-		if len(v) != len(vo) {
-			return false
-		}
-		for i := range v {
-			if v[i] != vo[i] {
-				return false
-			}
-		}
-	}
 	for i := range p.SeedList {
 		if p.SeedList[i] != o.SeedList[i] {
 			return false

pkg/config/protocol_config_test.go

@@ -28,12 +28,6 @@ func TestProtocolConfigurationValidation(t *testing.T) {
 		ValidatorsCount: 1,
 	}
 	require.Error(t, p.Validate())
-	p = &ProtocolConfiguration{
-		NativeUpdateHistories: map[string][]uint32{
-			"someContract": {0, 10},
-		},
-	}
-	require.Error(t, p.Validate())
 	p = &ProtocolConfiguration{
 		StandbyCommittee: []string{
 			"02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2",
@@ -247,17 +241,6 @@ func TestProtocolConfigurationEquals(t *testing.T) {
 	p.Hardforks = nil
 	o.Hardforks = nil
 
-	p.NativeUpdateHistories = map[string][]uint32{"Contract": {1, 2, 3}}
-	o.NativeUpdateHistories = map[string][]uint32{"Contract": {1, 2, 3}}
-	require.True(t, p.Equals(o))
-	p.NativeUpdateHistories["Contract"] = []uint32{1, 2, 3, 4}
-	require.False(t, p.Equals(o))
-	p.NativeUpdateHistories["Contract"] = []uint32{1, 2, 4}
-	require.False(t, p.Equals(o))
-
-	p.NativeUpdateHistories = nil
-	o.NativeUpdateHistories = nil
-
 	p.SeedList = []string{"url1", "url2"}
 	o.SeedList = []string{"url1", "url2"}
 	require.True(t, p.Equals(o))

pkg/config/testdata/protocol.test.yml

@@ -1,4 +0,0 @@
-ProtocolConfiguration:
-  NativeActivations:
-    ContractManagement: [0]
-    UnexpectedContractName: [0]

pkg/core/blockchain.go

@@ -283,10 +283,6 @@ func NewBlockchain(s storage.Store, cfg config.Blockchain, log *zap.Logger) (*Bl
 				zap.Int("StateSyncInterval", cfg.StateSyncInterval))
 		}
 	}
-	if len(cfg.NativeUpdateHistories) == 0 {
-		cfg.NativeUpdateHistories = map[string][]uint32{}
-		log.Info("NativeActivations are not set, using default values")
-	}
 	if cfg.Hardforks == nil {
 		cfg.Hardforks = map[string]uint32{}
 		for _, hf := range config.Hardforks {
@@ -485,8 +481,8 @@ func (bc *Blockchain) init() error {
 	for _, c := range bc.contracts.Contracts {
 		md := c.Metadata()
 		storedCS := bc.GetContractState(md.Hash)
-		history := md.UpdateHistory
-		if len(history) == 0 || history[0] > bHeight {
+		// Check that contract was deployed.
+		if !bc.isHardforkEnabled(c.ActiveIn(), bHeight) {
 			if storedCS != nil {
 				return fmt.Errorf("native contract %s is already stored, but marked as inactive for height %d in config", md.Name, bHeight)
 			}
@@ -1022,19 +1018,31 @@ func (bc *Blockchain) resetStateInternal(height uint32, stage stateChangeStage)
 
 func (bc *Blockchain) initializeNativeCache(blockHeight uint32, d *dao.Simple) error {
 	for _, c := range bc.contracts.Contracts {
-		for _, h := range c.Metadata().UpdateHistory {
-			if blockHeight >= h { // check that contract was deployed.
-				err := c.InitializeCache(blockHeight, d)
-				if err != nil {
-					return fmt.Errorf("failed to initialize cache for %s: %w", c.Metadata().Name, err)
-				}
-				break
-			}
+		// Check that contract was deployed.
+		if !bc.isHardforkEnabled(c.ActiveIn(), blockHeight) {
+			continue
+		}
+		err := c.InitializeCache(blockHeight, d)
+		if err != nil {
+			return fmt.Errorf("failed to initialize cache for %s: %w", c.Metadata().Name, err)
 		}
 	}
 	return nil
 }
 
+// isHardforkEnabled returns true if the specified hardfork is enabled at the
+// given height. nil hardfork is treated as always enabled.
+func (bc *Blockchain) isHardforkEnabled(hf *config.Hardfork, blockHeight uint32) bool {
+	hfs := bc.config.Hardforks
+	if hf != nil {
+		start, ok := hfs[hf.String()]
+		if !ok || start < blockHeight {
+			return false
+		}
+	}
+	return true
+}
+
 // Run runs chain loop, it needs to be run as goroutine and executing it is
 // critical for correct Blockchain operation.
 func (bc *Blockchain) Run() {
@@ -2994,8 +3002,8 @@ func (bc *Blockchain) GetMaxNotValidBeforeDelta() (uint32, error) {
 	if !bc.config.P2PSigExtensions {
 		panic("disallowed call to Notary") // critical error, thus panic.
 	}
-	if bc.contracts.Notary.Metadata().UpdateHistory[0] > bc.BlockHeight() {
-		return 0, fmt.Errorf("native Notary is active starting from %d", bc.contracts.Notary.Metadata().UpdateHistory[0])
+	if !bc.isHardforkEnabled(bc.contracts.Notary.ActiveIn(), bc.BlockHeight()) {
+		return 0, fmt.Errorf("native Notary is active starting from %s", bc.contracts.Notary.ActiveIn().String())
 	}
 	return bc.contracts.Notary.GetMaxNotValidBeforeDelta(bc.dao), nil
 }

pkg/core/blockchain_neotest_test.go

@@ -237,26 +237,6 @@ func TestBlockchain_StartFromExistingDB(t *testing.T) {
 		require.True(t, strings.Contains(err.Error(), "can't init cache for Management native contract"), err)
 	})
 	*/
-	t.Run("invalid native contract deactivation", func(t *testing.T) {
-		ps = newPS(t)
-		_, _, _, err := chain.NewMultiWithCustomConfigAndStoreNoCheck(t, func(c *config.Blockchain) {
-			customConfig(c)
-			c.NativeUpdateHistories = map[string][]uint32{
-				nativenames.Policy:      {0},
-				nativenames.Neo:         {0},
-				nativenames.Gas:         {0},
-				nativenames.Designation: {0},
-				nativenames.StdLib:      {0},
-				nativenames.Management:  {0},
-				nativenames.Oracle:      {0},
-				nativenames.Ledger:      {0},
-				nativenames.Notary:      {0},
-				nativenames.CryptoLib:   {h + 10},
-			}
-		}, ps)
-		require.Error(t, err)
-		require.True(t, strings.Contains(err.Error(), fmt.Sprintf("native contract %s is already stored, but marked as inactive for height %d in config", nativenames.CryptoLib, h)), err)
-	})
 	t.Run("invalid native contract activation", func(t *testing.T) {
 		ps = newPS(t)
 
@@ -339,6 +319,7 @@ func TestBlockchain_InitializeNeoCache_Bug3181(t *testing.T) {
 
 // This test enables Notary native contract at non-zero height and checks that no
 // Notary cache initialization is performed before that height on node restart.
+/*
 func TestBlockchain_InitializeNativeCacheWrtNativeActivations(t *testing.T) {
 	const notaryEnabledHeight = 3
 	ps, path := newLevelDBForTestingWithPath(t, "")
@@ -399,6 +380,7 @@ func TestBlockchain_InitializeNativeCacheWrtNativeActivations(t *testing.T) {
 	_, err = e.Chain.GetMaxNotValidBeforeDelta()
 	require.NoError(t, err)
 }
+*/
 
 func TestBlockchain_AddHeaders(t *testing.T) {
 	bc, acc := chain.NewSingleWithCustomConfig(t, func(c *config.Blockchain) {
@@ -1116,25 +1098,13 @@ func TestBlockchain_MPTDeleteNoKey(t *testing.T) {
 	cValidatorInvoker.Invoke(t, stackitem.Null{}, "delValue", "non-existent-key")
 }
 
-// Test that UpdateHistory is added to ProtocolConfiguration for all native contracts
-// for all default configurations. If UpdateHistory is not added to config, then
-// native contract is disabled. It's easy to forget about config while adding new
-// native contract.
-func TestConfigNativeUpdateHistory(t *testing.T) {
+// Test that all default configurations are loadable.
+func TestConfig_LoadDefaultConfigs(t *testing.T) {
 	var prefixPath = filepath.Join("..", "..", "config")
 	check := func(t *testing.T, cfgFileSuffix any) {
 		cfgPath := filepath.Join(prefixPath, fmt.Sprintf("protocol.%s.yml", cfgFileSuffix))
-		cfg, err := config.LoadFile(cfgPath)
+		_, err := config.LoadFile(cfgPath)
 		require.NoError(t, err, fmt.Errorf("failed to load %s", cfgPath))
-		natives := native.NewContracts(cfg.ProtocolConfiguration)
-		assert.Equal(t, len(natives.Contracts),
-			len(cfg.ProtocolConfiguration.NativeUpdateHistories),
-			fmt.Errorf("protocol configuration file %s: extra or missing NativeUpdateHistory in NativeActivations section", cfgPath))
-		for _, c := range natives.Contracts {
-			assert.NotNil(t, cfg.ProtocolConfiguration.NativeUpdateHistories[c.Metadata().Name],
-				fmt.Errorf("protocol configuration file %s: configuration for %s native contract is missing in NativeActivations section; "+
-					"edit the test if the contract should be disabled", cfgPath, c.Metadata().Name))
-		}
 	}
 	testCases := []any{
 		netmode.MainNet,

pkg/core/interop/context.go

@@ -153,6 +153,9 @@ type MethodAndPrice struct {
 // Contract is an interface for all native contracts.
 type Contract interface {
 	Initialize(*Context) error
+	// ActiveIn returns the hardfork native contract is active from or nil in case
+	// it's always active.
+	ActiveIn() *config.Hardfork
 	// InitializeCache aimed to initialize contract's cache when the contract has
 	// been deployed, but in-memory cached data were lost due to the node reset.
 	// It should be called each time after node restart iff the contract was
@@ -269,12 +272,6 @@ func (c *ContractMD) AddEvent(name string, ps ...manifest.Parameter) {
 	})
 }
 
-// IsActive returns true if the contract was deployed by the specified height.
-func (c *ContractMD) IsActive(height uint32) bool {
-	history := c.UpdateHistory
-	return len(history) != 0 && history[0] <= height
-}
-
 // Sort sorts interop functions by id.
 func Sort(fs []Function) {
 	sort.Slice(fs, func(i, j int) bool { return fs[i].ID < fs[j].ID })
@@ -411,6 +408,14 @@ func (ic *Context) IsHardforkEnabled(hf config.Hardfork) bool {
 	return false
 }
 
+// IsHardforkActivation denotes whether current block height is the height of
+// specified hardfork activation.
+func (ic *Context) IsHardforkActivation(hf config.Hardfork) bool {
+	// Completely rely on proper hardforks initialisation made by core.NewBlockchain.
+	height, ok := ic.Hardforks[hf.String()]
+	return ok && ic.Block.Index == height
+}
+
 // AddNotification creates notification event and appends it to the notification list.
 func (ic *Context) AddNotification(hash util.Uint160, name string, item *stackitem.Array) {
 	ic.Notifications = append(ic.Notifications, state.NotificationEvent{

pkg/core/native/contract.go

@@ -109,14 +109,6 @@ func NewContracts(cfg config.ProtocolConfiguration) *Contracts {
 		cs.Contracts = append(cs.Contracts, notary)
 	}
 
-	setDefaultHistory := len(cfg.NativeUpdateHistories) == 0
-	for _, c := range cs.Contracts {
-		var history = []uint32{0}
-		if !setDefaultHistory {
-			history = cfg.NativeUpdateHistories[c.Metadata().Name]
-		}
-		c.Metadata().NativeContract.UpdateHistory = history
-	}
 	return cs
 }
 

pkg/core/native/crypto.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/consensys/gnark-crypto/ecc/bls12-381/fr"
 	"github.com/decred/dcrd/dcrec/secp256k1/v4"
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
@@ -308,3 +309,8 @@ func (c *Crypto) OnPersist(ic *interop.Context) error {
 func (c *Crypto) PostPersist(ic *interop.Context) error {
 	return nil
 }
+
+// ActiveIn implements the Contract interface.
+func (c *Crypto) ActiveIn() *config.Hardfork {
+	return nil
+}

pkg/core/native/designate.go

@@ -9,6 +9,7 @@ import (
 	"sort"
 	"sync/atomic"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/runtime"
@@ -194,6 +195,11 @@ func (s *Designate) Metadata() *interop.ContractMD {
 	return &s.ContractMD
 }
 
+// ActiveIn implements the Contract interface.
+func (s *Designate) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 func (s *Designate) getDesignatedByRole(ic *interop.Context, args []stackitem.Item) stackitem.Item {
 	r, ok := s.getRole(args[0])
 	if !ok {

pkg/core/native/interop.go

@@ -18,24 +18,30 @@ func Call(ic *interop.Context) error {
 	if version != 0 {
 		return fmt.Errorf("native contract of version %d is not active", version)
 	}
-	var meta *interop.ContractMD
-	curr := ic.VM.GetCurrentScriptHash()
+	var (
+		c    interop.Contract
+		curr = ic.VM.GetCurrentScriptHash()
+	)
 	for _, ctr := range ic.Natives {
-		m := ctr.Metadata()
-		if m.Hash == curr {
-			meta = m
+		if ctr.Metadata().Hash == curr {
+			c = ctr
 			break
 		}
 	}
-	if meta == nil {
+	if c == nil {
 		return fmt.Errorf("native contract %s (version %d) not found", curr.StringLE(), version)
 	}
-	history := meta.UpdateHistory
-	if len(history) == 0 {
-		return fmt.Errorf("native contract %s is disabled", meta.Name)
-	}
-	if history[0] > ic.BlockHeight() { // persisting block must not be taken into account.
-		return fmt.Errorf("native contract %s is active after height = %d", meta.Name, history[0])
+	var (
+		meta     = c.Metadata()
+		activeIn = c.ActiveIn()
+	)
+	if activeIn != nil {
+		height, ok := ic.Hardforks[activeIn.String()]
+		// Persisting block must not be taken into account, native contract can be called
+		// only AFTER its initialization block persist, thus, can't use ic.IsHardforkEnabled.
+		if !ok || ic.BlockHeight() < height {
+			return fmt.Errorf("native contract %s is active after hardfork %s", meta.Name, activeIn.String())
+		}
 	}
 	m, ok := meta.GetMethodByOffset(ic.VM.Context().IP())
 	if !ok {
@@ -76,7 +82,8 @@ func OnPersist(ic *interop.Context) error {
 		return errors.New("onPersist must be trigered by system")
 	}
 	for _, c := range ic.Natives {
-		if !c.Metadata().IsActive(ic.Block.Index) {
+		activeIn := c.ActiveIn()
+		if !(activeIn == nil || ic.IsHardforkEnabled(*activeIn)) {
 			continue
 		}
 		err := c.OnPersist(ic)
@@ -93,7 +100,8 @@ func PostPersist(ic *interop.Context) error {
 		return errors.New("postPersist must be trigered by system")
 	}
 	for _, c := range ic.Natives {
-		if !c.Metadata().IsActive(ic.Block.Index) {
+		activeIn := c.ActiveIn()
+		if !(activeIn == nil || ic.IsHardforkEnabled(*activeIn)) {
 			continue
 		}
 		err := c.PostPersist(ic)

pkg/core/native/invocation_test.go

@@ -89,48 +89,50 @@ func TestNativeContract_InvokeInternal(t *testing.T) {
 		require.True(t, strings.Contains(err.Error(), fmt.Sprintf("native contract %s (version 0) not found", fakeH.StringLE())), err.Error())
 	})
 
-	t.Run("fail, bad NativeUpdateHistory height", func(t *testing.T) {
-		bcBad, validatorBad, committeeBad := chain.NewMultiWithCustomConfig(t, func(c *config.Blockchain) {
-			c.NativeUpdateHistories = map[string][]uint32{
-				nativenames.Policy:      {0},
-				nativenames.Neo:         {0},
-				nativenames.Gas:         {0},
-				nativenames.Designation: {0},
-				nativenames.StdLib:      {0},
-				nativenames.Management:  {0},
-				nativenames.Oracle:      {0},
-				nativenames.Ledger:      {0},
-				nativenames.CryptoLib:   {1},
-			}
+	/*
+		t.Run("fail, bad NativeUpdateHistory height", func(t *testing.T) {
+			bcBad, validatorBad, committeeBad := chain.NewMultiWithCustomConfig(t, func(c *config.Blockchain) {
+				c.NativeUpdateHistories = map[string][]uint32{
+					nativenames.Policy:      {0},
+					nativenames.Neo:         {0},
+					nativenames.Gas:         {0},
+					nativenames.Designation: {0},
+					nativenames.StdLib:      {0},
+					nativenames.Management:  {0},
+					nativenames.Oracle:      {0},
+					nativenames.Ledger:      {0},
+					nativenames.CryptoLib:   {1},
+				}
+			})
+			eBad := neotest.NewExecutor(t, bcBad, validatorBad, committeeBad)
+
+			ic, err := bcBad.GetTestVM(trigger.Application, nil, nil)
+			require.NoError(t, err)
+			v := ic.SpawnVM()
+			v.LoadScriptWithHash(clState.NEF.Script, clState.Hash, callflag.All) // hash is not affected by native update history
+			input := []byte{1, 2, 3, 4}
+			v.Estack().PushVal(input)
+			v.Context().Jump(md.Offset)
+
+			// It's prohibited to call natives before NativeUpdateHistory[0] height.
+			err = v.Run()
+			require.Error(t, err)
+			require.True(t, strings.Contains(err.Error(), "native contract CryptoLib is active after height = 1"))
+
+			// Add new block => CryptoLib should be active now.
+			eBad.AddNewBlock(t)
+			ic, err = bcBad.GetTestVM(trigger.Application, nil, nil)
+			require.NoError(t, err)
+			v = ic.SpawnVM()
+			v.LoadScriptWithHash(clState.NEF.Script, clState.Hash, callflag.All) // hash is not affected by native update history
+			v.Estack().PushVal(input)
+			v.Context().Jump(md.Offset)
+
+			require.NoError(t, v.Run())
+			value := v.Estack().Pop().Bytes()
+			require.Equal(t, hash.RipeMD160(input).BytesBE(), value)
 		})
-		eBad := neotest.NewExecutor(t, bcBad, validatorBad, committeeBad)
-
-		ic, err := bcBad.GetTestVM(trigger.Application, nil, nil)
-		require.NoError(t, err)
-		v := ic.SpawnVM()
-		v.LoadScriptWithHash(clState.NEF.Script, clState.Hash, callflag.All) // hash is not affected by native update history
-		input := []byte{1, 2, 3, 4}
-		v.Estack().PushVal(input)
-		v.Context().Jump(md.Offset)
-
-		// It's prohibited to call natives before NativeUpdateHistory[0] height.
-		err = v.Run()
-		require.Error(t, err)
-		require.True(t, strings.Contains(err.Error(), "native contract CryptoLib is active after height = 1"))
-
-		// Add new block => CryptoLib should be active now.
-		eBad.AddNewBlock(t)
-		ic, err = bcBad.GetTestVM(trigger.Application, nil, nil)
-		require.NoError(t, err)
-		v = ic.SpawnVM()
-		v.LoadScriptWithHash(clState.NEF.Script, clState.Hash, callflag.All) // hash is not affected by native update history
-		v.Estack().PushVal(input)
-		v.Context().Jump(md.Offset)
-
-		require.NoError(t, v.Run())
-		value := v.Estack().Pop().Bytes()
-		require.Equal(t, hash.RipeMD160(input).BytesBE(), value)
-	})
+	*/
 
 	manState := bc.GetContractState(e.NativeHash(t, nativenames.Management))
 	require.NotNil(t, manState)

pkg/core/native/ledger.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"math"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
@@ -103,6 +104,11 @@ func (l *Ledger) PostPersist(ic *interop.Context) error {
 	return nil // Actual block/tx processing is done in Blockchain.storeBlock().
 }
 
+// ActiveIn implements the Contract interface.
+func (l *Ledger) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 // currentHash implements currentHash SC method.
 func (l *Ledger) currentHash(ic *interop.Context, _ []stackitem.Item) stackitem.Item {
 	return stackitem.Make(ic.CurrentBlockHash().BytesBE())

pkg/core/native/management.go

@@ -583,12 +583,13 @@ func updateContractCache(cache *ManagementCache, cs *state.Contract) {
 func (m *Management) OnPersist(ic *interop.Context) error {
 	var cache *ManagementCache
 	for _, native := range ic.Natives {
-		md := native.Metadata()
-		history := md.UpdateHistory
-		if len(history) == 0 || history[0] != ic.Block.Index {
+		activeIn := native.ActiveIn()
+		if !(activeIn == nil && ic.Block.Index == 0 ||
+			activeIn != nil && ic.IsHardforkActivation(*activeIn)) {
 			continue
 		}
 
+		md := native.Metadata()
 		cs := &state.Contract{
 			ContractBase: md.ContractBase,
 		}
@@ -672,6 +673,11 @@ func (m *Management) Initialize(ic *interop.Context) error {
 	return nil
 }
 
+// ActiveIn implements the Contract interface.
+func (m *Management) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 // PutContractState saves given contract state into given DAO.
 func PutContractState(d *dao.Simple, cs *state.Contract) error {
 	return putContractState(d, cs, true)

pkg/core/native/native_gas.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"math/big"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
@@ -137,6 +138,11 @@ func (g *GAS) PostPersist(ic *interop.Context) error {
 	return nil
 }
 
+// ActiveIn implements the Contract interface.
+func (g *GAS) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 // BalanceOf returns native GAS token balance for the acc.
 func (g *GAS) BalanceOf(d *dao.Simple, acc util.Uint160) *big.Int {
 	return g.balanceOfInternal(d, acc)

pkg/core/native/native_neo.go

@@ -365,6 +365,11 @@ func (n *NEO) InitializeCache(blockHeight uint32, d *dao.Simple) error {
 	return nil
 }
 
+// ActiveIn implements the Contract interface.
+func (n *NEO) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 func (n *NEO) initConfigCache(cfg config.ProtocolConfiguration) error {
 	var err error
 

pkg/core/native/notary.go

@@ -6,6 +6,7 @@ import (
 	"math"
 	"math/big"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/contract"
@@ -210,6 +211,11 @@ func (n *Notary) PostPersist(ic *interop.Context) error {
 	return nil
 }
 
+// ActiveIn implements the Contract interface.
+func (n *Notary) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 // onPayment records the deposited amount as belonging to "from" address with a lock
 // till the specified chain's height.
 func (n *Notary) onPayment(ic *interop.Context, args []stackitem.Item) stackitem.Item {

pkg/core/native/oracle.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 	"sync/atomic"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/contract"
@@ -258,6 +259,11 @@ func (o *Oracle) InitializeCache(blockHeight uint32, d *dao.Simple) error {
 	return nil
 }
 
+// ActiveIn implements the Contract interface.
+func (o *Oracle) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 func getResponse(tx *transaction.Transaction) *transaction.OracleResponse {
 	for i := range tx.Attributes {
 		if tx.Attributes[i].Type == transaction.OracleResponseT {

pkg/core/native/policy.go

@@ -5,6 +5,7 @@ import (
 	"math/big"
 	"sort"
 
+	"github.com/nspcc-dev/neo-go/pkg/config"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
@@ -196,6 +197,11 @@ func (p *Policy) PostPersist(ic *interop.Context) error {
 	return nil
 }
 
+// ActiveIn implements the Contract interface.
+func (p *Policy) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 // getFeePerByte is a Policy contract method that returns the required transaction's fee
 // per byte.
 func (p *Policy) getFeePerByte(ic *interop.Context, _ []stackitem.Item) stackitem.Item {

pkg/core/native/std.go

@@ -458,6 +458,11 @@ func (s *Std) PostPersist(ic *interop.Context) error {
 	return nil
 }
 
+// ActiveIn implements the Contract interface.
+func (s *Std) ActiveIn() *config.Hardfork {
+	return nil
+}
+
 func (s *Std) toLimitedBytes(item stackitem.Item) []byte {
 	src, err := item.TryBytes()
 	if err != nil {

pkg/services/rpcsrv/server_test.go

@@ -1194,7 +1194,6 @@ var rpcTestCases = map[string][]rpcTestCase{
 					cs := e.chain.GetContractState((*lst)[i].Hash)
 					require.NotNil(t, cs)
 					require.True(t, cs.ID <= 0)
-					require.Equal(t, []uint32{0}, (*lst)[i].UpdateHistory)
 				}
 			},
 		},