depset

type ChainIDFromIndex interface {
	// ChainIDFromIndex converts a ChainIndex to a ChainID.
	ChainIDFromIndex(index types.ChainIndex) (eth.ChainID, error)
}

type ChainIndexFromID interface {
	// ChainIndexFromID converts a ChainID to a ChainIndex.
	ChainIndexFromID(id eth.ChainID) (types.ChainIndex, error)
}

type DependencySet interface {

	// CanExecuteAt determines if an executing message is valid at all.
	// I.e. if the chain may be executing messages at the given timestamp.
	// This may return an error if the query temporarily cannot be answered.
	// E.g. if the DependencySet is syncing new changes.
	CanExecuteAt(chainID eth.ChainID, execTimestamp uint64) (bool, error)

	// CanInitiateAt determines if an initiating message is valid to pull in.
	// I.e. if the message of the given chain is readable or not.
	// This may return an error if the query temporarily cannot be answered.
	// E.g. if the DependencySet is syncing new changes.
	CanInitiateAt(chainID eth.ChainID, initTimestamp uint64) (bool, error)

	// Chains returns the list of chains that are part of the dependency set.
	Chains() []eth.ChainID

	// HasChain determines if a chain is being tracked for interop purposes.
	// See CanExecuteAt and CanInitiateAt to check if a chain may message at a given time.
	HasChain(chainID eth.ChainID) bool

	ChainIndexFromID(id eth.ChainID) (types.ChainIndex, error)

	// MessageExpiryWindow returns the message expiry window to use for this dependency set.
	MessageExpiryWindow() uint64

	ChainIndexFromID
	ChainIDFromIndex
}

type DependencySetSource interface {
	LoadDependencySet(ctx context.Context) (DependencySet, error)
}

type JsonDependencySetLoader struct {
	Path string
}

type StaticConfigDependency struct {
	// ChainIndex is the unique short identifier of this chain.
	ChainIndex types.ChainIndex `json:"chainIndex"`

	// ActivationTime is when the chain becomes part of the dependency set.
	// This is the minimum timestamp of the inclusion of an executing message.
	ActivationTime uint64 `json:"activationTime"`

	// HistoryMinTime is what the lower bound of data is to store.
	// This is the minimum timestamp of an initiating message to be accessible to others.
	// This is set to 0 when all data since genesis is executable.
	HistoryMinTime uint64 `json:"historyMinTime"`
}

type StaticConfigDependencySet struct {
	// contains filtered or unexported fields
}