frostfs-node/pkg/morph/client/neofs/wrapper/client.go
Pavel Karpy 79b350b628 [#770] morph: Support non-alpha notary request by wrappers
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2021-09-07 12:55:01 +03:00

62 lines
1.5 KiB
Go

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
}