interop

package

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Versions in this module

v1

v1.16.9

Mar 18, 2026

Changes in this version

+ var ErrCycle = errors.New("cycle detected in same-timestamp messages")

+ var ErrStaleLogsDB = errors.New("logsDB has stale block data from a reorg")

+ type Decision int

+ const DecisionAdvance

+ const DecisionInvalidate

+ const DecisionRewind

+ const DecisionWait

type Interop

+ func (i *Interop) VerifiedBlockAtL1(chainID eth.ChainID, l1Block eth.L1BlockRef) (eth.BlockID, uint64)

+ type PendingInvalidation struct

+ BlockID eth.BlockID

+ ChainID eth.ChainID

+ Timestamp uint64

+ type PendingTransition struct

+ Decision Decision

+ Result *Result

+ Rewind *RewindPlan

type Result

+ L1Inclusion eth.BlockID

+ type RewindPlan struct

+ ResetAllChainsTo *uint64

+ RewindAtOrAfter uint64

+ TargetHeads map[eth.ChainID]eth.BlockID

+ type RoundObservation struct

+ BlocksAtTS map[eth.ChainID]eth.BlockID

+ ChainsReady bool

+ L1Consistent bool

+ L1Heads map[eth.ChainID]eth.BlockID

+ LastVerified *VerifiedResult

+ LastVerifiedTS *uint64

+ NextTimestamp uint64

+ Paused bool

+ type StepOutput struct

+ Decision Decision

+ Result Result

type VerifiedDB

+ func (v *VerifiedDB) ClearPendingTransition() error

+ func (v *VerifiedDB) GetPendingTransition() (*PendingTransition, error)

+ func (v *VerifiedDB) SetPendingTransition(pending PendingTransition) error

type VerifiedResult

+ L1Inclusion eth.BlockID

v1.16.7

Feb 19, 2026

Changes in this version

+ const ExpiryTime

+ var ErrAlreadyCommitted = errors.New("timestamp already committed")

+ var ErrMessageExpired = errors.New("initiating message has expired")

+ var ErrNonSequential = errors.New("timestamps must be committed sequentially with no gaps")

+ var ErrNotFound = errors.New("timestamp not found")

+ var ErrParentHashMismatch = errors.New("block parent hash does not match logsDB")

+ var ErrPreviousTimestampNotSealed = errors.New("previous timestamp not sealed in logsDB")

+ var ErrTimestampViolation = errors.New("initiating message timestamp must be less than executing message timestamp")

+ var ErrUnknownChain = errors.New("unknown chain")

+ var InteropActivationTimestampFlag = &cli.Uint64Flag

+ type Interop struct

+ func New(log log.Logger, activationTimestamp uint64, ...) *Interop

+ func (i *Interop) CurrentL1() eth.BlockID

+ func (i *Interop) LatestVerifiedL2Block(chainID eth.ChainID) (eth.BlockID, uint64)

+ func (i *Interop) Name() string

+ func (i *Interop) PauseAt(ts uint64)

+ func (i *Interop) Reset(chainID eth.ChainID, timestamp uint64, invalidatedBlock eth.BlockRef)

+ func (i *Interop) Resume()

+ func (i *Interop) Start(ctx context.Context) error

+ func (i *Interop) Stop(ctx context.Context) error

+ func (i *Interop) VerifiedAtTimestamp(ts uint64) (bool, error)

+ type LogsDB interface

+ AddLog func(logHash common.Hash, parentBlock eth.BlockID, logIdx uint32, ...) error

+ Clear func(inv reads.Invalidator) error

+ Close func() error

+ Contains func(query types.ContainsQuery) (types.BlockSeal, error)

+ FindSealedBlock func(number uint64) (types.BlockSeal, error)

+ FirstSealedBlock func() (types.BlockSeal, error)

+ LatestSealedBlock func() (eth.BlockID, bool)

+ OpenBlock func(blockNum uint64) (ref eth.BlockRef, logCount uint32, execMsgs map[uint32]*types.ExecutingMessage, ...)

+ Rewind func(inv reads.Invalidator, newHead eth.BlockID) error

+ SealBlock func(parentHash common.Hash, block eth.BlockID, timestamp uint64) error

+ type Result struct

+ InvalidHeads map[eth.ChainID]eth.BlockID

+ L1Head eth.BlockID

+ L2Heads map[eth.ChainID]eth.BlockID

+ Timestamp uint64

+ func (r *Result) IsEmpty() bool

+ func (r *Result) IsValid() bool

+ func (r *Result) ToVerifiedResult() VerifiedResult

+ type VerifiedDB struct

+ func OpenVerifiedDB(dataDir string) (*VerifiedDB, error)

+ func (v *VerifiedDB) Close() error

+ func (v *VerifiedDB) Commit(result VerifiedResult) error

+ func (v *VerifiedDB) Get(ts uint64) (VerifiedResult, error)

+ func (v *VerifiedDB) Has(ts uint64) (bool, error)

+ func (v *VerifiedDB) LastTimestamp() (uint64, bool)

+ func (v *VerifiedDB) Rewind(timestamp uint64) (bool, error)

+ func (v *VerifiedDB) RewindAfter(timestamp uint64) (bool, error)

+ type VerifiedResult struct

+ L1Head eth.BlockID

+ L2Heads map[eth.ChainID]eth.BlockID

+ Timestamp uint64

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