package local import ( "crypto/ecdsa" "github.com/nspcc-dev/neofs-node/cmd/neofs-node/reputation/common" internalclient "github.com/nspcc-dev/neofs-node/cmd/neofs-node/reputation/internal/client" coreclient "github.com/nspcc-dev/neofs-node/pkg/core/client" "github.com/nspcc-dev/neofs-node/pkg/services/reputation" reputationcommon "github.com/nspcc-dev/neofs-node/pkg/services/reputation/common" reputationapi "github.com/nspcc-dev/neofs-sdk-go/reputation" ) // RemoteProviderPrm groups the required parameters of the RemoteProvider's constructor. // // All values must comply with the requirements imposed on them. // Passing incorrect parameter values will result in constructor // failure (error or panic depending on the implementation). type RemoteProviderPrm struct { Key *ecdsa.PrivateKey } // NewRemoteProvider creates a new instance of the RemoteProvider. // // Panics if at least one value of the parameters is invalid. // // The created RemoteProvider does not require additional // initialization and is completely ready for work. func NewRemoteProvider(prm RemoteProviderPrm) *RemoteProvider { switch { case prm.Key == nil: common.PanicOnPrmValue("NetMapSource", prm.Key) } return &RemoteProvider{ key: prm.Key, } } // RemoteProvider is an implementation of the clientKeyRemoteProvider interface. type RemoteProvider struct { key *ecdsa.PrivateKey } func (rp RemoteProvider) WithClient(c coreclient.Client) reputationcommon.WriterProvider { return &TrustWriterProvider{ client: c, key: rp.key, } } type TrustWriterProvider struct { client coreclient.Client key *ecdsa.PrivateKey } func (twp *TrustWriterProvider) InitWriter(ctx reputationcommon.Context) (reputationcommon.Writer, error) { return &RemoteTrustWriter{ ctx: ctx, client: twp.client, key: twp.key, }, nil } type RemoteTrustWriter struct { ctx reputationcommon.Context client coreclient.Client key *ecdsa.PrivateKey buf []reputationapi.Trust } func (rtp *RemoteTrustWriter) Write(t reputation.Trust) error { apiTrust := reputationapi.NewTrust() apiPeer := reputationapi.NewPeerID() apiPeer.SetPublicKey(t.Peer()) apiTrust.SetValue(t.Value().Float64()) apiTrust.SetPeer(apiPeer) rtp.buf = append(rtp.buf, *apiTrust) return nil } func (rtp *RemoteTrustWriter) Close() error { var prm internalclient.AnnounceLocalPrm prm.SetContext(rtp.ctx) prm.SetClient(rtp.client) prm.SetPrivateKey(rtp.key) prm.SetEpoch(rtp.ctx.Epoch()) prm.SetTrusts(rtp.buf) _, err := internalclient.AnnounceLocal(prm) return err }