package container import ( "fmt" "github.com/TrueCloudLab/frostfs-node/pkg/morph/client" "github.com/TrueCloudLab/frostfs-node/pkg/morph/event" cid "github.com/TrueCloudLab/frostfs-sdk-go/container/id" "github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/network/payload" ) // Put structure of container.Put notification from morph chain. type Put struct { rawContainer []byte signature []byte publicKey []byte token []byte // For notary notifications only. // Contains raw transactions of notary request. notaryRequest *payload.P2PNotaryRequest } const expectedItemNumPut = 4 // MorphEvent implements Neo:Morph Event interface. func (Put) MorphEvent() {} // Container is a marshalled container structure, defined in API. func (p Put) Container() []byte { return p.rawContainer } // Signature of marshalled container by container owner. func (p Put) Signature() []byte { return p.signature } // PublicKey of container owner. func (p Put) PublicKey() []byte { return p.publicKey } // SessionToken returns binary token of the session // within which the container was created. func (p Put) SessionToken() []byte { return p.token } // NotaryRequest returns raw notary request if notification // was received via notary service. Otherwise, returns nil. func (p Put) NotaryRequest() *payload.P2PNotaryRequest { return p.notaryRequest } // PutNamed represents notification event spawned by PutNamed method from Container contract of FrostFS Morph chain. type PutNamed struct { Put name, zone string } // Name returns "name" arg of contract call. func (x PutNamed) Name() string { return x.name } // Zone returns "zone" arg of contract call. func (x PutNamed) Zone() string { return x.zone } // ParsePut from notification into container event structure. func ParsePut(e *state.ContainedNotificationEvent) (event.Event, error) { var ( ev Put err error ) params, err := event.ParseStackArray(e) if err != nil { return nil, fmt.Errorf("could not parse stack items from notify event: %w", err) } if ln := len(params); ln != expectedItemNumPut { return nil, event.WrongNumberOfParameters(expectedItemNumPut, ln) } // parse container ev.rawContainer, err = client.BytesFromStackItem(params[0]) if err != nil { return nil, fmt.Errorf("could not get container: %w", err) } // parse signature ev.signature, err = client.BytesFromStackItem(params[1]) if err != nil { return nil, fmt.Errorf("could not get signature: %w", err) } // parse public key ev.publicKey, err = client.BytesFromStackItem(params[2]) if err != nil { return nil, fmt.Errorf("could not get public key: %w", err) } // parse session token ev.token, err = client.BytesFromStackItem(params[3]) if err != nil { return nil, fmt.Errorf("could not get sesison token: %w", err) } return ev, nil } // PutSuccess structures notification event of successful container creation // thrown by Container contract. type PutSuccess struct { // Identifier of the newly created container. ID cid.ID } // MorphEvent implements Neo:Morph Event interface. func (PutSuccess) MorphEvent() {} // ParsePutSuccess decodes notification event thrown by Container contract into // PutSuccess and returns it as event.Event. func ParsePutSuccess(e *state.ContainedNotificationEvent) (event.Event, error) { items, err := event.ParseStackArray(e) if err != nil { return nil, fmt.Errorf("parse stack array from raw notification event: %w", err) } const expectedItemNumPutSuccess = 2 if ln := len(items); ln != expectedItemNumPutSuccess { return nil, event.WrongNumberOfParameters(expectedItemNumPutSuccess, ln) } binID, err := client.BytesFromStackItem(items[0]) if err != nil { return nil, fmt.Errorf("parse container ID item: %w", err) } _, err = client.BytesFromStackItem(items[1]) if err != nil { return nil, fmt.Errorf("parse public key item: %w", err) } var res PutSuccess err = res.ID.Decode(binID) if err != nil { return nil, fmt.Errorf("decode container ID: %w", err) } return res, nil }