parser

type Parser interface {
	GetCurrentBlock(id int) (int, error)
	Subscribe(address string) bool
	GetTransactions(address string, blockRange int, id int) ([]Transaction, error)
}

type Transaction struct {
	Hash        string `json:"hash"`
	From        string `json:"from"`
	To          string `json:"to"`
	BlockNumber string `json:"blockNumber"`
}