package neofscontract import ( "fmt" "github.com/nspcc-dev/neo-go/pkg/encoding/fixedn" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neofs-node/pkg/morph/client" neofscontract "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofs" ) // ClientWrapper is a wrapper over NeoFS contract // client which provides convenient methods for // working with a contract. // // Working ClientWrapper must be created via NewFromMorph. type ClientWrapper neofscontract.Client // Option allows to set an optional // parameter of ClientWrapper. type Option func(*opts) type opts []client.StaticClientOption func defaultOpts() *opts { return new(opts) } // TryNotary returns option to enable // notary invocation tries. func TryNotary() Option { return func(o *opts) { *o = append(*o, client.TryNotary()) } } // AsAlphabet returns option to sign main TX // of notary requests with client's private // key. // // Considered to be used by IR nodes only. func AsAlphabet() Option { return func(o *opts) { *o = append(*o, client.AsAlphabet()) } } // NewFromMorph wraps client to work with NeoFS contract. func NewFromMorph(cli *client.Client, contract util.Uint160, fee fixedn.Fixed8, opts ...Option) (*ClientWrapper, error) { o := defaultOpts() for i := range opts { opts[i](o) } sc, err := client.NewStatic(cli, contract, fee, ([]client.StaticClientOption)(*o)...) if err != nil { return nil, fmt.Errorf("could not create client of NeoFS contract: %w", err) } return (*ClientWrapper)(neofscontract.New(sc)), nil }