params

const (
	DBKEY_PRE_BLOCK     = "block_"
	DBKEY_PRE_TX        = "tx_"
	DBKEY_PRE_TXRECEIPT = "txReceipt_"
	DBKEY_PRE_CONTRACT  = "contract_"
)

const MaxDbTxLimit = 5000 // 数据库最多保留5000交易记录

const MaxReqDaysLimit = 30

const MaxReqLimit = 500