78 lines
1.9 KiB
Go
78 lines
1.9 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"
|
|
)
|
|
|
|
// Client is a wrapper over StaticClient
|
|
// which makes calls with the names and arguments
|
|
// of the NeoFS contract.
|
|
//
|
|
// Working client must be created via constructor New.
|
|
// Using the Client that has been created with new(Client)
|
|
// expression (or just declaring a Client variable) is unsafe
|
|
// and can lead to panic.
|
|
type Client struct {
|
|
client *client.StaticClient // static NeoFS contract client
|
|
}
|
|
|
|
const (
|
|
bindKeysMethod = "bind"
|
|
unbindKeysMethod = "unbind"
|
|
alphabetUpdateMethod = "alphabetUpdate"
|
|
chequeMethod = "cheque"
|
|
)
|
|
|
|
// NewFromMorph wraps client to work with NeoFS contract.
|
|
func NewFromMorph(cli *client.Client, contract util.Uint160, fee fixedn.Fixed8, opts ...Option) (*Client, 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 &Client{client: sc}, nil
|
|
}
|
|
|
|
// ContractAddress returns the address of the associated contract.
|
|
func (x *Client) ContractAddress() util.Uint160 {
|
|
return x.client.ContractAddress()
|
|
}
|
|
|
|
// 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())
|
|
}
|
|
}
|