block

type AppSender interface {
	SendAppRequest(ctx context.Context, nodeIDs []ids.NodeID, requestID uint32, appRequestBytes []byte) error
	SendAppResponse(ctx context.Context, nodeID ids.NodeID, requestID uint32, appResponseBytes []byte) error
	SendAppError(ctx context.Context, nodeID ids.NodeID, requestID uint32, errorCode int32, errorMessage string) error
	SendAppGossip(ctx context.Context, nodeIDs []ids.NodeID, appGossipBytes []byte) error
}

type BatchedChainVM interface {
	ChainVM
	GetAncestors(
		ctx context.Context,
		blkID ids.ID,
		maxBlocksNum int,
		maxBlocksSize int,
		maxBlocksRetrievalTime time.Duration,
	) ([][]byte, error)
	BatchedParseBlock(ctx context.Context, blks [][]byte) ([]Block, error)
}

type Block interface {
	ID() ids.ID
	Parent() ids.ID // Alias for ParentID for compatibility
	ParentID() ids.ID
	Height() uint64
	Timestamp() time.Time
	Status() uint8
	Verify(context.Context) error
	Accept(context.Context) error
	Reject(context.Context) error
	Bytes() []byte
}

type BuildBlockWithContextChainVM interface {
	ChainVM
	BuildBlockWithContext(ctx context.Context, blockCtx *Context) (Block, error)
}

type BuildBlockWithContextVM interface {
	ChainVM
	BuildBlockWithContext(context.Context, *Context) (Block, error)
}

type ChainContext struct {
	*consensuscontext.Context
}

type ChainVM interface {
	// Initialize initializes the VM
	Initialize(
		ctx context.Context,
		chainCtx interface{},
		db interface{},
		genesisBytes []byte,
		upgradeBytes []byte,
		configBytes []byte,
		msgChan interface{},
		fxs []interface{},
		appSender interface{},
	) error

	// BuildBlock builds a new block
	BuildBlock(context.Context) (Block, error)

	// ParseBlock parses a block from bytes
	ParseBlock(context.Context, []byte) (Block, error)

	// GetBlock gets a block by ID
	GetBlock(context.Context, ids.ID) (Block, error)

	// GetBlockIDAtHeight gets block ID at a specific height
	GetBlockIDAtHeight(context.Context, uint64) (ids.ID, error)

	// SetPreference sets the preferred block
	SetPreference(context.Context, ids.ID) error

	// LastAccepted returns the last accepted block
	LastAccepted(context.Context) (ids.ID, error)
}

type Context struct {
	PChainHeight uint64
}

type DBManager = manager.Manager

type Fx struct {
	ID ids.ID
	Fx interface{}
}

type Message struct {
	Type uint32
	Data []byte
}

type StateSummary interface {
	ID() ids.ID
	Height() uint64
	Bytes() []byte
	Accept(context.Context) (StateSyncMode, error)
}

type StateSyncMode uint8

type StateSyncableVM interface {
	ChainVM

	// StateSyncEnabled returns whether state sync is enabled
	StateSyncEnabled(context.Context) (bool, error)

	// GetOngoingSyncStateSummary returns the ongoing sync state summary
	GetOngoingSyncStateSummary(context.Context) (StateSummary, error)

	// GetLastStateSummary returns the last state summary
	GetLastStateSummary(context.Context) (StateSummary, error)

	// ParseStateSummary parses a state summary
	ParseStateSummary(context.Context, []byte) (StateSummary, error)

	// GetStateSummary gets a state summary by height
	GetStateSummary(context.Context, uint64) (StateSummary, error)
}

type WithVerifyContext interface {
	// VerifyWithContext verifies with context
	VerifyWithContext(context.Context, *Context) error

	// ShouldVerifyWithContext returns whether to verify with context
	ShouldVerifyWithContext(context.Context) (bool, error)
}