header

type GenResult struct {
	VMBlock *vm_db.VmAccountBlock
	IsRetry bool
	Err     error
}

type Generator interface {
	GenerateWithBlock(block *ledger.AccountBlock, fromBlock *ledger.AccountBlock) (*GenResult, error)
	GenerateWithMessage(message *IncomingMessage, producer *types.Address, signFunc SignFunc) (*GenResult, error)
	GenerateWithOnRoad(sendBlock *ledger.AccountBlock, producer *types.Address, signFunc SignFunc, difficulty *big.Int) (*GenResult, error)
	GetVMDB() vm_db.VmDb
}

type IncomingMessage struct {
	BlockType byte

	AccountAddress types.Address
	ToAddress      *types.Address
	FromBlockHash  *types.Hash

	TokenId *types.TokenTypeId
	Amount  *big.Int
	Fee     *big.Int
	Data    []byte

	Difficulty *big.Int
}

type SignFunc func(addr types.Address, data []byte) (signedData, pubkey []byte, err error)