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353 lines
12 KiB
353 lines
12 KiB
package rawdb
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import (
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"fmt"
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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/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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staking "github.com/harmony-one/harmony/staking/types"
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"github.com/pkg/errors"
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)
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// ReadShardState retrieves shard state of a specific epoch.
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func ReadShardState(
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db DatabaseReader, epoch *big.Int,
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) (*shard.State, error) {
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data, err := db.Get(shardStateKey(epoch))
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if err != nil {
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return nil, errors.New(MsgNoShardStateFromDB)
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}
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ss, err2 := shard.DecodeWrapper(data)
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if err2 != nil {
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return nil, errors.Wrapf(
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err2, "cannot decode sharding state",
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)
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}
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return ss, nil
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}
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// WriteShardStateBytes stores sharding state into database.
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func WriteShardStateBytes(db DatabaseWriter, epoch *big.Int, data []byte) error {
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if err := db.Put(shardStateKey(epoch), data); err != nil {
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return errors.Wrapf(
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err, "cannot write sharding state",
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)
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}
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utils.Logger().Info().
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Str("epoch", epoch.String()).
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Int("size", len(data)).Msg("wrote sharding state")
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return nil
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}
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// ReadCrossLinkShardBlock retrieves the blockHash given shardID and blockNum
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func ReadCrossLinkShardBlock(
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db DatabaseReader, shardID uint32, blockNum uint64,
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) ([]byte, error) {
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return db.Get(crosslinkKey(shardID, blockNum))
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}
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// WriteCrossLinkShardBlock stores the blockHash given shardID and blockNum
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func WriteCrossLinkShardBlock(db DatabaseWriter, shardID uint32, blockNum uint64, data []byte) error {
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return db.Put(crosslinkKey(shardID, blockNum), data)
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}
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// DeleteCrossLinkShardBlock deletes the blockHash given shardID and blockNum
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func DeleteCrossLinkShardBlock(db DatabaseDeleter, shardID uint32, blockNum uint64) error {
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return db.Delete(crosslinkKey(shardID, blockNum))
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}
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// ReadShardLastCrossLink read the last cross link of a shard
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func ReadShardLastCrossLink(db DatabaseReader, shardID uint32) ([]byte, error) {
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return db.Get(shardLastCrosslinkKey(shardID))
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}
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// WriteShardLastCrossLink stores the last cross link of a shard
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func WriteShardLastCrossLink(db DatabaseWriter, shardID uint32, data []byte) error {
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return db.Put(shardLastCrosslinkKey(shardID), data)
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}
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// ReadPendingCrossLinks retrieves last pending crosslinks.
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func ReadPendingCrossLinks(db DatabaseReader) ([]byte, error) {
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return db.Get(pendingCrosslinkKey)
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}
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// WritePendingCrossLinks stores last pending crosslinks into database.
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func WritePendingCrossLinks(db DatabaseWriter, bytes []byte) error {
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return db.Put(pendingCrosslinkKey, bytes)
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}
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// WritePendingSlashingCandidates stores last pending slashing candidates into database.
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func WritePendingSlashingCandidates(db DatabaseWriter, bytes []byte) error {
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return db.Put(pendingSlashingKey, bytes)
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}
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// ReadCXReceipts retrieves all the transactions of receipts given destination shardID, number and blockHash
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func ReadCXReceipts(db DatabaseReader, shardID uint32, number uint64, hash common.Hash) (types.CXReceipts, error) {
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data, err := db.Get(cxReceiptKey(shardID, number, hash))
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if err != nil || len(data) == 0 {
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utils.Logger().Info().Err(err).Uint64("number", number).Int("dataLen", len(data)).Msg("ReadCXReceipts")
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return nil, err
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}
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cxReceipts := types.CXReceipts{}
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if err := rlp.DecodeBytes(data, &cxReceipts); err != nil {
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return nil, err
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}
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return cxReceipts, nil
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}
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// WriteCXReceipts stores all the transaction receipts given destination shardID, blockNumber and blockHash
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func WriteCXReceipts(db DatabaseWriter, shardID uint32, number uint64, hash common.Hash, receipts types.CXReceipts) error {
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bytes, err := rlp.EncodeToBytes(receipts)
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if err != nil {
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utils.Logger().Error().Msg("[WriteCXReceipts] Failed to encode cross shard tx receipts")
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}
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// Store the receipt slice
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if err := db.Put(cxReceiptKey(shardID, number, hash), bytes); err != nil {
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utils.Logger().Error().Msg("[WriteCXReceipts] Failed to store cxreceipts")
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}
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return err
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}
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// ReadCXReceiptsProofSpent check whether a CXReceiptsProof is unspent
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func ReadCXReceiptsProofSpent(db DatabaseReader, shardID uint32, number uint64) (byte, error) {
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data, err := db.Get(cxReceiptSpentKey(shardID, number))
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if err != nil || len(data) == 0 {
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return NAByte, errors.New("[ReadCXReceiptsProofSpent] Cannot find the key")
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}
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return data[0], nil
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}
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// WriteCXReceiptsProofSpent write CXReceiptsProof as spent into database
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func WriteCXReceiptsProofSpent(dbw DatabaseWriter, cxp *types.CXReceiptsProof) error {
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shardID := cxp.MerkleProof.ShardID
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blockNum := cxp.MerkleProof.BlockNum.Uint64()
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if err := dbw.Put(cxReceiptSpentKey(shardID, blockNum), []byte{SpentByte}); err != nil {
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utils.Logger().Error().Msg("Failed to write CX receipt proof")
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return err
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}
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return nil
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}
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// DeleteCXReceiptsProofSpent removes unspent indicator of a given blockHash
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func DeleteCXReceiptsProofSpent(db DatabaseDeleter, shardID uint32, number uint64) error {
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if err := db.Delete(cxReceiptSpentKey(shardID, number)); err != nil {
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utils.Logger().Error().Msg("Failed to delete receipts unspent indicator")
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return err
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}
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return nil
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}
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// ReadValidatorSnapshot retrieves validator's snapshot by its address
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func ReadValidatorSnapshot(
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db DatabaseReader, addr common.Address, epoch *big.Int,
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) (*staking.ValidatorSnapshot, error) {
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data, err := db.Get(validatorSnapshotKey(addr, epoch))
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if err != nil || len(data) == 0 {
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utils.Logger().Info().Err(err).Msg("ReadValidatorSnapshot")
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return nil, err
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}
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v := staking.ValidatorWrapper{}
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if err := rlp.DecodeBytes(data, &v); err != nil {
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utils.Logger().Error().Err(err).
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Str("address", addr.Hex()).
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Msg("Unable to decode validator snapshot from database")
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return nil, err
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}
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s := staking.ValidatorSnapshot{&v, epoch}
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return &s, nil
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}
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// WriteValidatorSnapshot stores validator's snapshot by its address
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func WriteValidatorSnapshot(batch DatabaseWriter, v *staking.ValidatorWrapper, epoch *big.Int) error {
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bytes, err := rlp.EncodeToBytes(v)
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if err != nil {
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utils.Logger().Error().Msg("[WriteValidatorSnapshot] Failed to encode")
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return err
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}
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if err := batch.Put(validatorSnapshotKey(v.Address, epoch), bytes); err != nil {
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utils.Logger().Error().Msg("[WriteValidatorSnapshot] Failed to store to database")
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return err
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}
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return err
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}
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// DeleteValidatorSnapshot removes the validator's snapshot by its address
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func DeleteValidatorSnapshot(db DatabaseDeleter, addr common.Address, epoch *big.Int) error {
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if err := db.Delete(validatorSnapshotKey(addr, epoch)); err != nil {
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utils.Logger().Error().Msg("Failed to delete snapshot of a validator")
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return err
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}
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return nil
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}
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// DeleteValidatorStats ..
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func DeleteValidatorStats(db DatabaseDeleter, addr common.Address) error {
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if err := db.Delete(validatorStatsKey(addr)); err != nil {
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utils.Logger().Error().Msg("Failed to delete stats of a validator")
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return err
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}
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return nil
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}
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// ReadValidatorStats retrieves validator's stats by its address,
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func ReadValidatorStats(
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db DatabaseReader, addr common.Address,
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) (*staking.ValidatorStats, error) {
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data, err := db.Get(validatorStatsKey(addr))
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if err != nil {
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return nil, err
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}
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stats := staking.ValidatorStats{}
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if err := rlp.DecodeBytes(data, &stats); err != nil {
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return nil, err
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}
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return &stats, nil
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}
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// WriteValidatorStats stores validator's stats by its address
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func WriteValidatorStats(
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batch DatabaseWriter, addr common.Address, stats *staking.ValidatorStats,
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) error {
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bytes, err := rlp.EncodeToBytes(stats)
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if err != nil {
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utils.Logger().Error().Msg("[WriteValidatorStats] Failed to encode")
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return err
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}
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if err := batch.Put(validatorStatsKey(addr), bytes); err != nil {
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utils.Logger().Error().Msg("[WriteValidatorStats] Failed to store to database")
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return err
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}
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return err
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}
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// ReadValidatorList retrieves all staking validators by its address
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func ReadValidatorList(db DatabaseReader) ([]common.Address, error) {
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key := validatorListKey
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data, err := db.Get(key)
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if err != nil || len(data) == 0 {
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return []common.Address{}, nil
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}
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addrs := []common.Address{}
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if err := rlp.DecodeBytes(data, &addrs); err != nil {
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utils.Logger().Error().Err(err).Msg("Unable to Decode validator List from database")
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return nil, err
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}
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return addrs, nil
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}
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// WriteValidatorList stores all staking validators by its address
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func WriteValidatorList(
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db DatabaseWriter, addrs []common.Address,
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) error {
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key := validatorListKey
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bytes, err := rlp.EncodeToBytes(addrs)
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if err != nil {
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utils.Logger().Error().Msg("[WriteValidatorList] Failed to encode")
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}
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return db.Put(key, bytes)
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}
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// ReadDelegationsByDelegator retrieves the list of validators delegated by a delegator
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// Returns empty results instead of error if there is not data found.
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func ReadDelegationsByDelegator(db DatabaseReader, delegator common.Address) (staking.DelegationIndexes, error) {
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data, err := db.Get(delegatorValidatorListKey(delegator))
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if err != nil || len(data) == 0 {
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return staking.DelegationIndexes{}, nil
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}
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addrs := staking.DelegationIndexes{}
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if err := rlp.DecodeBytes(data, &addrs); err != nil {
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utils.Logger().Error().Err(err).Msg("Unable to Decode delegations from database")
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return nil, err
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}
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return addrs, nil
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}
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// WriteDelegationsByDelegator stores the list of validators delegated by a delegator
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func WriteDelegationsByDelegator(db DatabaseWriter, delegator common.Address, indexes staking.DelegationIndexes) error {
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bytes, err := rlp.EncodeToBytes(indexes)
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if err != nil {
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utils.Logger().Error().Msg("[writeDelegationsByDelegator] Failed to encode")
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}
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if err := db.Put(delegatorValidatorListKey(delegator), bytes); err != nil {
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utils.Logger().Error().Msg("[writeDelegationsByDelegator] Failed to store to database")
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}
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return err
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}
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// ReadBlockRewardAccumulator ..
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func ReadBlockRewardAccumulator(db DatabaseReader, number uint64) (*big.Int, error) {
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data, err := db.Get(blockRewardAccumKey(number))
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if err != nil {
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return nil, err
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}
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return new(big.Int).SetBytes(data), nil
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}
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// WriteBlockRewardAccumulator ..
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func WriteBlockRewardAccumulator(db DatabaseWriter, newAccum *big.Int, number uint64) error {
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return db.Put(blockRewardAccumKey(number), newAccum.Bytes())
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}
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// ReadBlockCommitSig retrieves the signature signed on a block.
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func ReadBlockCommitSig(db DatabaseReader, blockNum uint64) ([]byte, error) {
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var data []byte
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data, err := db.Get(blockCommitSigKey(blockNum))
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if err != nil {
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// TODO: remove this extra seeking of sig after the mainnet is fully upgraded.
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// this is only needed for the compatibility in the migration moment.
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data, err = db.Get(lastCommitsKey)
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if err != nil {
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return nil, errors.New(fmt.Sprintf("cannot read commit sig for block: %d ", blockNum))
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}
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}
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return data, nil
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}
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// WriteBlockCommitSig ..
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func WriteBlockCommitSig(db DatabaseWriter, blockNum uint64, sigAndBitmap []byte) error {
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return db.Put(blockCommitSigKey(blockNum), sigAndBitmap)
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}
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//// Resharding ////
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// ReadEpochBlockNumber retrieves the epoch block number for the given epoch,
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// or nil if the given epoch is not found in the database.
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func ReadEpochBlockNumber(db DatabaseReader, epoch *big.Int) (*big.Int, error) {
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data, err := db.Get(epochBlockNumberKey(epoch))
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if err != nil {
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return nil, err
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}
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return new(big.Int).SetBytes(data), nil
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}
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// WriteEpochBlockNumber stores the given epoch-number-to-epoch-block-number in the database.
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func WriteEpochBlockNumber(db DatabaseWriter, epoch, blockNum *big.Int) error {
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return db.Put(epochBlockNumberKey(epoch), blockNum.Bytes())
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}
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// ReadEpochVrfBlockNums retrieves the VRF block numbers for the given epoch
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func ReadEpochVrfBlockNums(db DatabaseReader, epoch *big.Int) ([]byte, error) {
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return db.Get(epochVrfBlockNumbersKey(epoch))
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}
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// WriteEpochVrfBlockNums stores the VRF block numbers for the given epoch
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func WriteEpochVrfBlockNums(db DatabaseWriter, epoch *big.Int, data []byte) error {
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return db.Put(epochVrfBlockNumbersKey(epoch), data)
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}
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// ReadEpochVdfBlockNum retrieves the VDF block number for the given epoch
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func ReadEpochVdfBlockNum(db DatabaseReader, epoch *big.Int) ([]byte, error) {
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return db.Get(epochVdfBlockNumberKey(epoch))
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}
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// WriteEpochVdfBlockNum stores the VDF block number for the given epoch
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func WriteEpochVdfBlockNum(db DatabaseWriter, epoch *big.Int, data []byte) error {
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return db.Put(epochVdfBlockNumberKey(epoch), data)
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}
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//// Resharding ////
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