*: move Notary contract out of P2PSigExtensions

A part of #3464.

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

Author: AnnaShaleva

docs/node-configuration.md

@@ -341,7 +341,7 @@ protocol-related settings described in the table below.
 | 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. |
 | 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. |
+| P2PSigExtensions | `bool` | `false` | Enables following additional Notary service related logic:<br>• Transaction attribute `NotaryAssisted`<br>• Network payload of the `P2PNotaryRequest` type<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`). |
 | ReservedAttributes | `bool` | `false` | Allows to have reserved attributes range for experimental or private purposes. |
 | SeedList | `[]string` | [] | List of initial nodes addresses used to establish connectivity. |

pkg/core/blockchain.go

@@ -3081,9 +3081,6 @@ func (bc *Blockchain) GetMaxVerificationGAS() int64 {
 
 // GetMaxNotValidBeforeDelta returns maximum NotValidBeforeDelta Notary limit.
 func (bc *Blockchain) GetMaxNotValidBeforeDelta() (uint32, error) {
-	if !bc.config.P2PSigExtensions {
-		panic("disallowed call to Notary") // critical error, thus panic.
-	}
 	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())
 	}

pkg/core/native/contract.go

@@ -100,15 +100,13 @@ func NewContracts(cfg config.ProtocolConfiguration) *Contracts {
 	cs.Oracle = oracle
 	cs.Contracts = append(cs.Contracts, oracle)
 
-	if cfg.P2PSigExtensions {
-		notary := newNotary()
-		notary.GAS = gas
-		notary.NEO = neo
-		notary.Desig = desig
-		notary.Policy = policy
-		cs.Notary = notary
-		cs.Contracts = append(cs.Contracts, notary)
-	}
+	notary := newNotary()
+	notary.GAS = gas
+	notary.NEO = neo
+	notary.Desig = desig
+	notary.Policy = policy
+	cs.Notary = notary
+	cs.Contracts = append(cs.Contracts, notary)
 
 	return cs
 }