frostfs-node/pkg/innerring/fetcher.go

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package innerring
import (
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
nmClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap"
)
// NewIRFetcherWithNotary creates IrFetcherWithNotary.
//
// IrFetcherWithNotary can be used to obtain innerring key list if
// network that client is connected to supports notary contract.
//
// Passed client is required. Panics if nil.
func NewIRFetcherWithNotary(cli *client.Client) *IrFetcherWithNotary {
if cli == nil {
panic("could not init IRFetcher with notary: client must not be nil")
}
return &IrFetcherWithNotary{cli: cli}
}
// NewIRFetcherWithoutNotary creates IrFetcherWithoutNotary.
//
// IrFetcherWithoutNotary must be used to obtain innerring key list if
// network that netmap wrapper is connected to does not support notary
// contract.
//
// Passed netmap wrapper is required. Panics if nil.
func NewIRFetcherWithoutNotary(nm *nmClient.Client) *IrFetcherWithoutNotary {
if nm == nil {
panic("could not init IRFetcher without notary: netmap wrapper must not be nil")
}
return &IrFetcherWithoutNotary{nm: nm}
}
// IrFetcherWithNotary fetches keys using notary contract. Must be created
// with NewIRFetcherWithNotary.
type IrFetcherWithNotary struct {
cli *client.Client
}
// IrFetcherWithoutNotary fetches keys using netmap contract. Must be created
// with NewIRFetcherWithoutNotary.
type IrFetcherWithoutNotary struct {
nm *nmClient.Client
}
// InnerRingKeys fetches list of innerring keys from NeoFSAlphabet
// role in side chain.
func (fN IrFetcherWithNotary) InnerRingKeys() (keys.PublicKeys, error) {
return fN.cli.NeoFSAlphabetList()
}
// InnerRingKeys fetches list of innerring keys from netmap contract
// in side chain.
func (f IrFetcherWithoutNotary) InnerRingKeys() (keys.PublicKeys, error) {
return f.nm.GetInnerRingList()
}