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package db
import (
"errors"
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum-optimism/optimism/op-service/eth"
"github.com/ethereum-optimism/optimism/op-supervisor/supervisor/types"
)
func (db *ChainsDB) AddLog(
chain types.ChainID,
logHash common.Hash,
parentBlock eth.BlockID,
logIdx uint32,
execMsg *types.ExecutingMessage) error {
logDB, ok := db.logDBs.Get(chain)
if !ok {
return fmt.Errorf("cannot AddLog: %w: %v", types.ErrUnknownChain, chain)
}
return logDB.AddLog(logHash, parentBlock, logIdx, execMsg)
}
func (db *ChainsDB) SealBlock(chain types.ChainID, block eth.BlockRef) error {
logDB, ok := db.logDBs.Get(chain)
if !ok {
return fmt.Errorf("cannot SealBlock: %w: %v", types.ErrUnknownChain, chain)
}
err := logDB.SealBlock(block.ParentHash, block.ID(), block.Time)
if err != nil {
return fmt.Errorf("failed to seal block %v: %w", block, err)
}
db.logger.Info("Updated local unsafe", "chain", chain, "block", block)
return nil
}
func (db *ChainsDB) Rewind(chain types.ChainID, headBlockNum uint64) error {
logDB, ok := db.logDBs.Get(chain)
if !ok {
return fmt.Errorf("cannot Rewind: %w: %s", types.ErrUnknownChain, chain)
}
return logDB.Rewind(headBlockNum)
}
func (db *ChainsDB) UpdateLocalSafe(chain types.ChainID, derivedFrom eth.BlockRef, lastDerived eth.BlockRef) error {
localDB, ok := db.localDBs.Get(chain)
if !ok {
return fmt.Errorf("cannot UpdateLocalSafe: %w: %v", types.ErrUnknownChain, chain)
}
db.logger.Debug("Updating local safe", "chain", chain, "derivedFrom", derivedFrom, "lastDerived", lastDerived)
return localDB.AddDerived(derivedFrom, lastDerived)
}
func (db *ChainsDB) UpdateCrossUnsafe(chain types.ChainID, crossUnsafe types.BlockSeal) error {
v, ok := db.crossUnsafe.Get(chain)
if !ok {
return fmt.Errorf("cannot UpdateCrossUnsafe: %w: %s", types.ErrUnknownChain, chain)
}
v.Set(crossUnsafe)
db.logger.Info("Updated cross-unsafe", "chain", chain, "crossUnsafe", crossUnsafe)
return nil
}
func (db *ChainsDB) UpdateCrossSafe(chain types.ChainID, l1View eth.BlockRef, lastCrossDerived eth.BlockRef) error {
crossDB, ok := db.crossDBs.Get(chain)
if !ok {
return fmt.Errorf("cannot UpdateCrossSafe: %w: %s", types.ErrUnknownChain, chain)
}
if err := crossDB.AddDerived(l1View, lastCrossDerived); err != nil {
return err
}
db.logger.Info("Updated cross-safe", "chain", chain, "l1View", l1View, "lastCrossDerived", lastCrossDerived)
return nil
}
func (db *ChainsDB) UpdateFinalizedL1(finalized eth.BlockRef) error {
// Lock, so we avoid race-conditions in-between getting (for comparison) and setting.
db.finalizedL1.Lock()
defer db.finalizedL1.Unlock()
if v := db.finalizedL1.Value; v.Number > finalized.Number {
return fmt.Errorf("cannot rewind finalized L1 head from %s to %s", v, finalized)
}
db.finalizedL1.Value = finalized
db.logger.Info("Updated finalized L1", "finalizedL1", finalized)
return nil
}
// RecordNewL1 records a new L1 block in the database.
// it uses the latest derived L2 block as the derived block for the new L1 block.
func (db *ChainsDB) RecordNewL1(ref eth.BlockRef) error {
for _, chain := range db.depSet.Chains() {
// get local derivation database
ldb, ok := db.localDBs.Get(chain)
if !ok {
return fmt.Errorf("cannot RecordNewL1 to chain %s: %w", chain, types.ErrUnknownChain)
}
// get the latest derived and derivedFrom blocks
derivedFrom, derived, err := ldb.Latest()
if err != nil {
return fmt.Errorf("failed to get latest derivedFrom for chain %s: %w", chain, err)
}
// make a ref from the latest derived block
derivedParent, err := ldb.PreviousDerived(derived.ID())
if errors.Is(err, types.ErrFuture) {
db.logger.Warn("Empty DB, Recording first L1 block", "chain", chain, "err", err)
} else if err != nil {
db.logger.Warn("Failed to get latest derivedfrom to insert new L1 block", "chain", chain, "err", err)
return err
}
derivedRef := derived.MustWithParent(derivedParent.ID())
// don't push the new L1 block if it's not newer than the latest derived block
if derivedFrom.Number >= ref.Number {
db.logger.Warn("L1 block has already been processed for this height", "chain", chain, "block", ref, "latest", derivedFrom)
continue
}
// the database is extended with the new L1 and the existing L2
if err = db.UpdateLocalSafe(chain, ref, derivedRef); err != nil {
db.logger.Error("Failed to update local safe", "chain", chain, "block", ref, "derived", derived, "err", err)
return err
}
}
return nil
}