112 lines
2.9 KiB
Go
112 lines
2.9 KiB
Go
package governance
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import (
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"encoding/binary"
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"sort"
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"go.uber.org/zap"
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)
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const (
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alphabetUpdateIDPrefix = "AlphabetUpdate"
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alphabetUpdateMethod = "alphabetUpdate"
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setInnerRingMethod = "updateInnerRing"
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)
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func (gp *Processor) processAlphabetSync() {
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if !gp.alphabetState.IsAlphabet() {
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gp.log.Info("non alphabet mode, ignore alphabet sync")
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return
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}
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mainnetAlphabet, err := gp.mainnetClient.NeoFSAlphabetList()
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if err != nil {
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gp.log.Error("can't fetch alphabet list from main net",
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zap.String("error", err.Error()))
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return
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}
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sidechainAlphabet, err := gp.morphClient.Committee()
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if err != nil {
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gp.log.Error("can't fetch alphabet list from side chain",
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zap.String("error", err.Error()))
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return
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}
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newAlphabet, err := newAlphabetList(sidechainAlphabet, mainnetAlphabet)
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if err != nil {
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gp.log.Error("can't merge alphabet lists from main net and side chain",
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zap.String("error", err.Error()))
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return
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}
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if newAlphabet == nil {
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gp.log.Info("no governance update, alphabet list has not been changed")
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return
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}
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gp.log.Info("alphabet list has been changed, starting update")
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sort.Sort(newAlphabet)
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// 1. Vote to side chain committee via alphabet contracts.
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err = gp.voter.VoteForSidechainValidator(newAlphabet)
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if err != nil {
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gp.log.Error("can't vote for side chain committee",
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zap.String("error", err.Error()))
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}
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// 2. Update NeoFSAlphabet role in side chain.
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innerRing, err := gp.morphClient.NeoFSAlphabetList()
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if err != nil {
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gp.log.Error("can't fetch inner ring list from side chain",
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zap.String("error", err.Error()))
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} else {
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newInnerRing, err := updateInnerRing(innerRing, sidechainAlphabet, newAlphabet)
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if err != nil {
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gp.log.Error("can't create new inner ring list with new alphabet keys",
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zap.String("error", err.Error()))
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} else {
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sort.Sort(newInnerRing)
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if gp.notaryDisabled {
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err = gp.morphClient.NotaryInvoke(gp.netmapContract, gp.feeProvider.SideChainFee(), setInnerRingMethod,
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newInnerRing)
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} else {
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err = gp.morphClient.UpdateNeoFSAlphabetList(newInnerRing)
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}
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if err != nil {
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gp.log.Error("can't update inner ring list with new alphabet keys",
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zap.String("error", err.Error()))
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}
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}
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}
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if !gp.notaryDisabled {
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// 3. Update notary role in side chain.
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err = gp.morphClient.UpdateNotaryList(newAlphabet)
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if err != nil {
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gp.log.Error("can't update list of notary nodes in side chain",
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zap.String("error", err.Error()))
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}
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}
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// 4. Update NeoFS contract in main net.
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epoch := gp.epochState.EpochCounter()
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buf := make([]byte, 8)
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binary.LittleEndian.PutUint64(buf, epoch)
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id := append([]byte(alphabetUpdateIDPrefix), buf...)
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err = gp.mainnetClient.NotaryInvoke(gp.neofsContract, gp.feeProvider.MainChainFee(), alphabetUpdateMethod,
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id, newAlphabet)
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if err != nil {
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gp.log.Error("can't update list of alphabet nodes in neofs contract",
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zap.String("error", err.Error()))
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}
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gp.log.Info("finished alphabet list update")
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}
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