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