native: call onNEP11Transfer for NEP-11 transfers

See neo-project/neo#2287.

pkg/core/native/nonfungible.go

@@ -8,6 +8,7 @@ import (
 
  "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"
  "github.com/nspcc-dev/neo-go/pkg/core/interop/runtime"
  istorage "github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
  "github.com/nspcc-dev/neo-go/pkg/core/state"
@@ -277,6 +278,26 @@ func (n *nonfungible) postTransfer(ic *interop.Context, from, to *util.Uint160,
  }),
  }
  ic.Notifications = append(ic.Notifications, ne)
+ if to == nil {
+ return
+ }
+ cs, err := ic.GetContract(*to)
+ if err != nil {
+ return
+ }
+
+ fromArg := stackitem.Item(stackitem.Null{})
+ if from != nil {
+ fromArg = stackitem.NewByteArray((*from).BytesBE())
+ }
+ args := []stackitem.Item{
+ fromArg,
+ stackitem.NewBigInteger(intOne),
+ stackitem.NewByteArray(tokenID),
+ }
+ if err := contract.CallFromNative(ic, n.Hash, cs, manifest.MethodOnNEP11Payment, args, false); err != nil {
+ panic(err)
+ }
 }
 
 func (n *nonfungible) burn(ic *interop.Context, tokenID []byte) {

pkg/smartcontract/manifest/manifest.go

@@ -24,6 +24,9 @@ const (
  // MethodOnNEP17Payment is name of the method which is called when contract receives NEP-17 tokens.
  MethodOnNEP17Payment = "onNEP17Payment"
 
+ // MethodOnNEP11Payment is the name of the method which is called when contract receives NEP-11 tokens.
+ MethodOnNEP11Payment = "onNEP11Payment"
+
  // NEP10StandardName represents the name of NEP10 smartcontract standard.
  NEP10StandardName = "NEP-10"
  // NEP17StandardName represents the name of NEP17 smartcontract standard.