package governance import ( "encoding/binary" "encoding/hex" "sort" "strings" "git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client" frostfscontract "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/frostfs" "github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/util" "go.uber.org/zap" ) const ( alphabetUpdateIDPrefix = "AlphabetUpdate" ) func (gp *Processor) processAlphabetSync(txHash util.Uint256) { if !gp.alphabetState.IsAlphabet() { gp.log.Info(logs.GovernanceNonAlphabetModeIgnoreAlphabetSync) return } mainnetAlphabet, err := gp.mainnetClient.NeoFSAlphabetList() if err != nil { gp.log.Error(logs.GovernanceCantFetchAlphabetListFromMainNet, zap.String("error", err.Error())) return } sidechainAlphabet, err := gp.morphClient.Committee() if err != nil { gp.log.Error(logs.GovernanceCantFetchAlphabetListFromSideChain, zap.String("error", err.Error())) return } newAlphabet, err := newAlphabetList(sidechainAlphabet, mainnetAlphabet) if err != nil { gp.log.Error(logs.GovernanceCantMergeAlphabetListsFromMainNetAndSideChain, zap.String("error", err.Error())) return } if newAlphabet == nil { gp.log.Info(logs.GovernanceNoGovernanceUpdateAlphabetListHasNotBeenChanged) return } gp.log.Info(logs.GovernanceAlphabetListHasBeenChangedStartingUpdate, zap.String("side_chain_alphabet", prettyKeys(sidechainAlphabet)), zap.String("new_alphabet", prettyKeys(newAlphabet)), ) votePrm := VoteValidatorPrm{ Validators: newAlphabet, Hash: &txHash, } // 1. Vote to sidechain committee via alphabet contracts. err = gp.voter.VoteForSidechainValidator(votePrm) if err != nil { gp.log.Error(logs.GovernanceCantVoteForSideChainCommittee, zap.String("error", err.Error())) } // 2. Update NeoFSAlphabet role in the sidechain. gp.updateNeoFSAlphabetRoleInSidechain(sidechainAlphabet, newAlphabet, txHash) // 3. Update notary role in the sidechain. gp.updateNotaryRoleInSidechain(newAlphabet, txHash) // 4. Update FrostFS contract in the mainnet. gp.updateFrostFSContractInMainnet(newAlphabet) gp.log.Info(logs.GovernanceFinishedAlphabetListUpdate) } func prettyKeys(keys keys.PublicKeys) string { const delimiter = "," sb := strings.Builder{} for _, key := range keys { sb.WriteString(hex.EncodeToString(key.Bytes())) sb.WriteString(delimiter) } return strings.TrimRight(sb.String(), delimiter) } func (gp *Processor) updateNeoFSAlphabetRoleInSidechain(sidechainAlphabet, newAlphabet keys.PublicKeys, txHash util.Uint256) { innerRing, err := gp.irFetcher.InnerRingKeys() if err != nil { gp.log.Error(logs.GovernanceCantFetchInnerRingListFromSideChain, zap.String("error", err.Error())) return } newInnerRing, err := updateInnerRing(innerRing, sidechainAlphabet, newAlphabet) if err != nil { gp.log.Error(logs.GovernanceCantCreateNewInnerRingListWithNewAlphabetKeys, zap.String("error", err.Error())) return } sort.Sort(newInnerRing) gp.log.Info(logs.GovernanceUpdateOfTheInnerRingList, zap.String("before", prettyKeys(innerRing)), zap.String("after", prettyKeys(newInnerRing)), ) updPrm := client.UpdateAlphabetListPrm{} updPrm.SetList(newInnerRing) updPrm.SetHash(txHash) if err = gp.morphClient.UpdateNeoFSAlphabetList(updPrm); err != nil { gp.log.Error(logs.GovernanceCantUpdateInnerRingListWithNewAlphabetKeys, zap.String("error", err.Error())) } } func (gp *Processor) updateNotaryRoleInSidechain(newAlphabet keys.PublicKeys, txHash util.Uint256) { updPrm := client.UpdateNotaryListPrm{} updPrm.SetList(newAlphabet) updPrm.SetHash(txHash) err := gp.morphClient.UpdateNotaryList(updPrm) if err != nil { gp.log.Error(logs.GovernanceCantUpdateListOfNotaryNodesInSideChain, zap.String("error", err.Error())) } } func (gp *Processor) updateFrostFSContractInMainnet(newAlphabet keys.PublicKeys) { epoch := gp.epochState.EpochCounter() buf := make([]byte, 8) binary.LittleEndian.PutUint64(buf, epoch) id := append([]byte(alphabetUpdateIDPrefix), buf...) prm := frostfscontract.AlphabetUpdatePrm{} prm.SetID(id) prm.SetPubs(newAlphabet) err := gp.frostfsClient.AlphabetUpdate(prm) if err != nil { gp.log.Error(logs.GovernanceCantUpdateListOfAlphabetNodesInFrostfsContract, zap.String("error", err.Error())) } }