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266 lines
8.6 KiB
266 lines
8.6 KiB
package core
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import (
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/harmony-one/harmony/consensus/reward"
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"github.com/harmony-one/harmony/core/rawdb"
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"github.com/harmony-one/harmony/core/state"
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"github.com/harmony-one/harmony/core/types"
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"github.com/harmony-one/harmony/internal/utils"
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"github.com/harmony-one/harmony/shard"
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"github.com/harmony-one/harmony/staking/slash"
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"github.com/pkg/errors"
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)
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// CommitOffChainData write off chain data of a block onto db writer.
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func (bc *BlockChain) CommitOffChainData(
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batch rawdb.DatabaseWriter,
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block *types.Block,
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receipts []*types.Receipt,
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cxReceipts []*types.CXReceipt,
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payout reward.Reader,
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state *state.DB,
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) (status WriteStatus, err error) {
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// Write receipts of the block
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rawdb.WriteReceipts(batch, block.Hash(), block.NumberU64(), receipts)
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isBeaconChain := bc.CurrentHeader().ShardID() == shard.BeaconChainShardID
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isStaking := bc.chainConfig.IsStaking(block.Epoch())
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header := block.Header()
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isNewEpoch := len(header.ShardState()) > 0
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// Cross-shard txns
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epoch := block.Header().Epoch()
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if bc.chainConfig.HasCrossTxFields(block.Epoch()) {
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shardingConfig := shard.Schedule.InstanceForEpoch(epoch)
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shardNum := int(shardingConfig.NumShards())
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for i := 0; i < shardNum; i++ {
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if i == int(block.ShardID()) {
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continue
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}
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shardReceipts := types.CXReceipts(cxReceipts).GetToShardReceipts(uint32(i))
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if err := rawdb.WriteCXReceipts(
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batch, uint32(i), block.NumberU64(), block.Hash(), shardReceipts,
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); err != nil {
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utils.Logger().Error().Err(err).
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Interface("shardReceipts", shardReceipts).
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Int("toShardID", i).
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Msg("WriteCXReceipts cannot write into database")
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return NonStatTy, err
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}
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}
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// Mark incomingReceipts in the block as spent
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bc.WriteCXReceiptsProofSpent(batch, block.IncomingReceipts())
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}
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// VRF + VDF
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// check non zero VRF field in header and add to local db
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// if len(block.Vrf()) > 0 {
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// vrfBlockNumbers, _ := bc.ReadEpochVrfBlockNums(block.Header().Epoch())
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// if (len(vrfBlockNumbers) > 0) && (vrfBlockNumbers[len(vrfBlockNumbers)-1] == block.NumberU64()) {
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// utils.Logger().Error().
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// Str("number", block.Number().String()).
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// Str("epoch", block.Header().Epoch().String()).
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// Msg("VRF block number is already in local db")
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// } else {
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// vrfBlockNumbers = append(vrfBlockNumbers, block.NumberU64())
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// err = bc.WriteEpochVrfBlockNums(block.Header().Epoch(), vrfBlockNumbers)
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// if err != nil {
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// utils.Logger().Error().
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// Str("number", block.Number().String()).
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// Str("epoch", block.Header().Epoch().String()).
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// Msg("failed to write VRF block number to local db")
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// return NonStatTy, err
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// }
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// }
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//}
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//
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////check non zero Vdf in header and add to local db
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//if len(block.Vdf()) > 0 {
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// err = bc.WriteEpochVdfBlockNum(block.Header().Epoch(), block.Number())
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// if err != nil {
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// utils.Logger().Error().
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// Str("number", block.Number().String()).
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// Str("epoch", block.Header().Epoch().String()).
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// Msg("failed to write VDF block number to local db")
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// return NonStatTy, err
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// }
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//}
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// Do bookkeeping for new staking txns
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if err := bc.UpdateStakingMetaData(
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batch, block.StakingTransactions(), state, epoch,
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); err != nil {
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utils.Logger().Err(err).Msg("UpdateStakingMetaData failed")
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return NonStatTy, err
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}
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// Shard State and Validator Update
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if isNewEpoch {
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// Write shard state for the new epoch
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epoch := new(big.Int).Add(header.Epoch(), common.Big1)
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shardState, err := block.Header().GetShardState()
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if err == nil && shardState.Epoch != nil && bc.chainConfig.IsStaking(shardState.Epoch) {
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// After staking, the epoch will be decided by the epoch in the shard state.
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epoch = new(big.Int).Set(shardState.Epoch)
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}
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newShardState, err := bc.WriteShardStateBytes(batch, epoch, header.ShardState())
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if err != nil {
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header.Logger(utils.Logger()).Warn().Err(err).Msg("cannot store shard state")
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return NonStatTy, err
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}
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// Update elected validators
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if err := bc.WriteElectedValidatorList(
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batch, newShardState.StakedValidators().Addrs,
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); err != nil {
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return NonStatTy, err
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}
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// Update snapshots for all validators
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if err := bc.UpdateValidatorSnapshots(batch, epoch, state); err != nil {
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return NonStatTy, err
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}
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}
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// Update voting power of validators for all shards
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if isNewEpoch && isBeaconChain {
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currentSuperCommittee, _ := bc.ReadShardState(bc.CurrentHeader().Epoch())
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if shardState, err := shard.DecodeWrapper(
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header.ShardState(),
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); err == nil {
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if err := bc.UpdateValidatorVotingPower(
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batch, block, shardState, currentSuperCommittee, state,
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); err != nil {
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utils.Logger().
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Err(err).
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Msg("[UpdateValidatorVotingPower] Failed to update voting power")
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}
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} else {
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utils.Logger().
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Err(err).
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Msg("[UpdateValidatorVotingPower] Failed to decode shard state")
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}
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}
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// Writing beacon chain cross links
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if isBeaconChain &&
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bc.chainConfig.IsCrossLink(block.Epoch()) &&
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len(header.CrossLinks()) > 0 {
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crossLinks := &types.CrossLinks{}
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if err := rlp.DecodeBytes(
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header.CrossLinks(), crossLinks,
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); err != nil {
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header.Logger(utils.Logger()).Err(err).
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Msg("[insertChain/crosslinks] cannot parse cross links")
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return NonStatTy, err
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}
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if !crossLinks.IsSorted() {
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header.Logger(utils.Logger()).Err(err).
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Msg("[insertChain/crosslinks] cross links are not sorted")
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return NonStatTy, errors.New("proposed cross links are not sorted")
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}
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for _, crossLink := range *crossLinks {
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// Process crosslink
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if err := bc.WriteCrossLinks(
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batch, types.CrossLinks{crossLink},
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); err == nil {
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utils.Logger().Info().
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Uint64("blockNum", crossLink.BlockNum()).
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Uint32("shardID", crossLink.ShardID()).
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Msg("[insertChain/crosslinks] Cross Link Added to Beaconchain")
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}
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cl0, _ := bc.ReadShardLastCrossLink(crossLink.ShardID())
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if cl0 == nil {
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rawdb.WriteShardLastCrossLink(batch, crossLink.ShardID(), crossLink.Serialize())
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}
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}
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// clean/update local database cache after crosslink inserted into blockchain
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num, err := bc.DeleteFromPendingCrossLinks(*crossLinks)
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if err != nil {
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const msg = "DeleteFromPendingCrossLinks, crosslinks in header %d, pending crosslinks: %d, problem: %+v"
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utils.Logger().Debug().Msgf(msg, len(*crossLinks), num, err)
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}
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const msg = "DeleteFromPendingCrossLinks, crosslinks in header %d, pending crosslinks: %d"
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utils.Logger().
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Debug().
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Msgf(msg, len(*crossLinks), num)
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utils.Logger().Debug().Msgf(msg, len(*crossLinks), num)
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}
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if isBeaconChain {
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// Roll up latest crosslinks
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for i, c := uint32(0), shard.Schedule.InstanceForEpoch(
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epoch,
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).NumShards(); i < c; i++ {
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if err := bc.LastContinuousCrossLink(batch, i); err != nil {
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utils.Logger().Info().
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Err(err).Msg("could not batch process last continuous crosslink")
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}
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}
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}
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// Update block reward accumulator and slashes
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if isBeaconChain {
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if isStaking {
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roundResult := payout.ReadRoundResult()
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if err := bc.UpdateBlockRewardAccumulator(
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batch, roundResult.Total, block.Number().Uint64(),
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); err != nil {
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return NonStatTy, err
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}
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for _, paid := range [...][]reward.Payout{
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roundResult.BeaconchainAward, roundResult.ShardChainAward,
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} {
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for i := range paid {
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if stats, err := bc.ReadValidatorStats(paid[i].Addr); err == nil {
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doUpdate := false
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for j := range stats.MetricsPerShard {
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if stats.MetricsPerShard[j].Vote.Identity == paid[i].EarningKey {
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doUpdate = true
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stats.MetricsPerShard[j].Earned.Add(
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stats.MetricsPerShard[j].Earned,
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paid[i].NewlyEarned,
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)
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}
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}
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if doUpdate {
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if err := rawdb.WriteValidatorStats(
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batch, paid[i].Addr, stats,
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); err != nil {
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utils.Logger().Info().Err(err).
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Str("bls-earning-key", paid[i].EarningKey.Hex()).
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Msg("could not update earning per key in stats")
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}
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}
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} else {
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utils.Logger().Info().Err(err).
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Str("bls-earning-key", paid[i].EarningKey.Hex()).
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Msg("could not read validator stats to update for earning per key")
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}
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}
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}
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records := slash.Records{}
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if s := header.Slashes(); len(s) > 0 {
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if err := rlp.DecodeBytes(s, &records); err != nil {
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utils.Logger().Debug().Err(err).Msg("could not decode slashes in header")
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}
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if err := bc.DeleteFromPendingSlashingCandidates(records); err != nil {
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utils.Logger().Debug().Err(err).Msg("could not deleting pending slashes")
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}
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}
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} else {
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// block reward never accumulate before staking
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bc.WriteBlockRewardAccumulator(batch, common.Big0, block.Number().Uint64())
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}
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}
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return CanonStatTy, nil
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}
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