package subnetevents import ( "fmt" "github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/core/transaction" "github.com/nspcc-dev/neo-go/pkg/network/payload" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neofs-node/pkg/morph/client" "github.com/nspcc-dev/neofs-node/pkg/morph/event" ) // Put structures information about the notification generated by Put method of Subnet contract. type Put struct { notaryRequest *payload.P2PNotaryRequest txHash util.Uint256 id []byte owner []byte info []byte } // MorphEvent implements Neo:Morph Event interface. func (Put) MorphEvent() {} // ID returns identifier of the creating subnet in a binary format of NeoFS API protocol. func (x Put) ID() []byte { return x.id } // Owner returns subnet owner's public key in a binary format. func (x Put) Owner() []byte { return x.owner } // Info returns information about the subnet in a binary format of NeoFS API protocol. func (x Put) Info() []byte { return x.info } // TxHash returns hash of the transaction which thrown the notification event. // Makes sense only in notary environments. func (x Put) TxHash() util.Uint256 { return x.txHash } // NotaryMainTx returns main transaction of the request in the Notary service. // Returns nil in non-notary environments. func (x Put) NotaryMainTx() *transaction.Transaction { if x.notaryRequest != nil { return x.notaryRequest.MainTransaction } return nil } // number of items in notification about subnet creation. const itemNumPut = 3 // ParsePut parses the notification about the creation of a subnet which has been thrown // by the appropriate method of the subnet contract. // // Resulting event is of Put type. func ParsePut(e *state.ContainedNotificationEvent) (event.Event, error) { var ( put Put err error ) items, err := event.ParseStackArray(e) if err != nil { return nil, fmt.Errorf("parse stack array: %w", err) } if ln := len(items); ln != itemNumPut { return nil, event.WrongNumberOfParameters(itemNumPut, ln) } // parse ID put.id, err = client.BytesFromStackItem(items[0]) if err != nil { return nil, fmt.Errorf("id item: %w", err) } // parse owner put.owner, err = client.BytesFromStackItem(items[1]) if err != nil { return nil, fmt.Errorf("owner item: %w", err) } // parse info about subnet put.info, err = client.BytesFromStackItem(items[2]) if err != nil { return nil, fmt.Errorf("info item: %w", err) } put.txHash = e.Container return put, nil } // ParseNotaryPut parses the notary notification about the creation of a subnet which has been // thrown by the appropriate method of the subnet contract. // // Resulting event is of Put type. func ParseNotaryPut(e event.NotaryEvent) (event.Event, error) { var put Put put.notaryRequest = e.Raw() if put.notaryRequest == nil { panic(fmt.Sprintf("nil %T in notary environment", put.notaryRequest)) } var ( err error prms = e.Params() ) if ln := len(prms); ln != itemNumPut { return nil, event.WrongNumberOfParameters(itemNumPut, ln) } // parse info about subnet put.info, err = event.BytesFromOpcode(prms[0]) if err != nil { return nil, fmt.Errorf("info param: %w", err) } // parse owner put.owner, err = event.BytesFromOpcode(prms[1]) if err != nil { return nil, fmt.Errorf("creator param: %w", err) } // parse ID put.id, err = event.BytesFromOpcode(prms[2]) if err != nil { return nil, fmt.Errorf("id param: %w", err) } return put, nil }