chainStructure

type BlankApplication struct{}

type Blockchain struct {
	Config   Config
	Executor applicationExecutor

	SQLStorage *chainSQLStorage.Storage
	// contains filtered or unexported fields
}

type Config struct {
	Signer         signerCommon.ISigner
	CryptoTools    crypto.Tools
	NewWhenGenesis bool
	StorageDriver  kvDatabase.IDriver
	SQLStorage     *chainSQLStorage.Storage
}

type IBlockchainExternalApplication interface {
	Name() (name string)

	//receive a request from user
	PushClientRequest(req blockchainRequest.Entity) (result interface{}, err error)

	//query
	Query(req []byte) (result interface{}, err error)

	//receive and verify request from a block
	PreExecute(req blockchainRequest.Entity, header block.Entity) (result []byte, err error)

	//receive and execute confirmed block
	Execute(req blockchainRequest.Entity, header block.Entity, actIndex uint32) (result applicationResult.Entity, err error)

	//handle consensus failed
	Cancel(req blockchainRequest.Entity) (err error)

	//build request list for new block
	RequestsForBlock(block block.Entity) (entity []blockchainRequest.Entity, cnt uint32)

	//support one application call another inside blockchain execute
	ApplicationInternalCall(src string, callData []byte) (ret interface{}, err error)

	//external service information
	Information() (info service.BasicInformation)

	SetChainInterface(ci IChainInterface)

	UnpackingActionsAsRequests(req blockchainRequest.Entity) (reqList []blockchainRequest.Entity, err error)
	GetActionAsRequest(req blockchainRequest.Entity) (ret blockchainRequest.Entity)
}

type IChainInterface interface {
	GetBlockByHeight(height uint64) (blk block.Entity, err error)
	GetLastBlock() (last *block.Entity)
	CurrentHeight() (height uint64)
	InternalCall(src string, dst string, data []byte) (ret interface{}, err error)
}