forked from TrueCloudLab/frostfs-node
48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
package intermediate
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import (
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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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"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/storage/daughters"
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"github.com/nspcc-dev/neofs-node/pkg/util/logger"
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"go.uber.org/zap"
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)
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// DaughterStorageWriterProvider is an implementation of the reputation.WriterProvider
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// interface that provides DaughterTrustWriter writer.
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type DaughterStorageWriterProvider struct {
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Log *logger.Logger
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Storage *daughters.Storage
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}
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// DaughterTrustWriter is an implementation of the reputation.Writer interface
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// that writes passed daughter's Trust values to Daughter storage. After writing
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// that, values can be used in eigenTrust algorithm's iterations.
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type DaughterTrustWriter struct {
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log *logger.Logger
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storage *daughters.Storage
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ctx reputationcommon.Context
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}
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func (w *DaughterTrustWriter) Write(t reputation.Trust) error {
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w.log.Debug("writing received daughter's trusts",
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zap.Uint64("epoch", w.ctx.Epoch()),
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zap.Stringer("trusting_peer", t.TrustingPeer()),
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zap.Stringer("trusted_peer", t.Peer()),
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)
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w.storage.Put(w.ctx.Epoch(), t)
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return nil
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}
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func (w *DaughterTrustWriter) Close() error {
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return nil
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}
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func (s *DaughterStorageWriterProvider) InitWriter(ctx reputationcommon.Context) (reputationcommon.Writer, error) {
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return &DaughterTrustWriter{
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log: s.Log,
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storage: s.Storage,
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ctx: ctx,
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}, nil
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}
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