frostfs-node/pkg/innerring/state.go

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2020-07-24 13:54:03 +00:00
package innerring
import (
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neofs-node/pkg/innerring/invoke"
"go.uber.org/zap"
)
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// EpochCounter is a getter for a global epoch counter.
func (s *Server) EpochCounter() uint64 {
return s.epochCounter.Load()
}
// SetEpochCounter is a setter for contract processors to update global
// epoch counter.
func (s *Server) SetEpochCounter(val uint64) {
s.epochCounter.Store(val)
}
// IsActive is a getter for a global active flag state.
func (s *Server) IsActive() bool {
return s.innerRingIndex.Load() >= 0
}
// Index is a getter for a global index of node in inner ring list. Negative
// index means that node is not in the inner ring list.
func (s *Server) Index() int32 {
return s.innerRingIndex.Load()
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}
func (s *Server) voteForSidechainValidator(validators []keys.PublicKey) error {
index := s.Index()
if index < 0 || index >= alphabetContractsN {
s.log.Info("ignore validator vote: node not in alphabet range")
return nil
}
if len(validators) == 0 {
s.log.Info("ignore validator vote: empty validators list")
return nil
}
epoch := s.EpochCounter()
for i := range s.contracts.alphabet {
err := invoke.AlphabetVote(s.morphClient, s.contracts.alphabet[i], epoch, validators)
if err != nil {
s.log.Warn("can't invoke vote method in alphabet contract",
zap.Int("alphabet_index", i),
zap.Uint64("epoch", epoch))
}
}
return nil
}
// InitAndVoteForSidechainValidator is a public function to use outside of
// inner ring daemon execution. It initialize inner ring structure with data
// from blockchain and then calls vote method on corresponding alphabet contract.
func (s *Server) InitAndVoteForSidechainValidator(validators []keys.PublicKey) error {
err := s.initConfigFromBlockchain()
if err != nil {
return err
}
return s.voteForSidechainValidator(validators)
}