core: adjust Notary contract ID

pkg/core/native/contract.go

@@ -11,9 +11,6 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
 )
 
-// reservedContractID represents the upper bound of the reserved IDs for native contracts.
-const reservedContractID = -100
-
 // Contracts is a set of registered native contracts.
 type Contracts struct {
 	Management *Management

pkg/core/native/notary.go

@@ -39,7 +39,7 @@ type NotaryCache struct {
 }
 
 const (
-	notaryContractID = reservedContractID - 1
+	notaryContractID = -10
 	// prefixDeposit is a prefix for storing Notary deposits.
 	prefixDeposit                 = 1
 	defaultDepositDeltaTill       = 5760