package chain

import (
	"github.com/btcsuite/btcd/chaincfg/chainhash"
	"github.com/btcsuite/btcd/wire"
	"github.com/btcsuite/btcutil"
	"github.com/btcsuite/btcwallet/waddrmgr"
)

// Interface allows more than one backing blockchain source, such as a
// btcd RPC chain server, or an SPV library, as long as we write a driver for
// it.
type Interface interface {
	Start() error
	Stop()
	WaitForShutdown()
	GetBestBlock() (*chainhash.Hash, int32, error)
	GetBlock(*chainhash.Hash) (*wire.MsgBlock, error)
	BlockStamp() (*waddrmgr.BlockStamp, error)
	SendRawTransaction(*wire.MsgTx, bool) (*chainhash.Hash, error)
	Rescan(*chainhash.Hash, []btcutil.Address, []*wire.OutPoint) error
	NotifyReceived([]btcutil.Address) error
	NotifyBlocks() error
	Notifications() <-chan interface{}
}