frostfs-node/cmd/neofs-node/reputation/intermediate/daughters.go

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