blocktest

type BatchedVM struct {
	T *testing.T

	CantGetAncestors    bool
	CantBatchParseBlock bool

	GetAncestorsF func(
		ctx context.Context,
		blkID ids.ID,
		maxBlocksNum int,
		maxBlocksSize int,
		maxBlocksRetrivalTime time.Duration,
	) ([][]byte, error)

	BatchedParseBlockF func(
		ctx context.Context,
		blks [][]byte,
	) ([]chain.Block, error)
}

type StateSummary struct {
	IDV     ids.ID
	HeightV uint64
	BytesV  []byte

	T          *testing.T
	CantAccept bool
	AcceptF    func(context.Context) (block.StateSyncMode, error)
}

type StateSyncableVM struct {
	T *testing.T

	CantStateSyncEnabled,
	CantStateSyncGetOngoingSummary,
	CantGetLastStateSummary,
	CantParseStateSummary,
	CantGetStateSummary bool

	StateSyncEnabledF           func(context.Context) (bool, error)
	GetOngoingSyncStateSummaryF func(context.Context) (block.StateSummary, error)
	GetLastStateSummaryF        func(context.Context) (block.StateSummary, error)
	ParseStateSummaryF          func(ctx context.Context, summaryBytes []byte) (block.StateSummary, error)
	GetStateSummaryF            func(ctx context.Context, summaryHeight uint64) (block.StateSummary, error)
}

type VM struct {
	enginetest.VM

	CantBuildBlock,
	CantParseBlock,
	CantGetBlock,
	CantSetPreference,
	CantLastAccepted,
	CantGetBlockIDAtHeight bool

	BuildBlockF         func(context.Context) (chain.Block, error)
	ParseBlockF         func(context.Context, []byte) (chain.Block, error)
	GetBlockF           func(context.Context, ids.ID) (chain.Block, error)
	SetPreferenceF      func(context.Context, ids.ID) error
	LastAcceptedF       func(context.Context) (ids.ID, error)
	GetBlockIDAtHeightF func(ctx context.Context, height uint64) (ids.ID, error)
}