Errors

Error codes & messages

Code	SubCode	Msg
10000		Success
10001		System error
10002		Parameter error
null	22002	Fail to fetch quoted price due to 1. Invalid fiat currency 2. The amount of fiat currency is lower than gas fee. 3. The amount of crypto currency is out of limit.
null	22006	Fail to fetch gas fee
null	22010	Invalid crypto currency
null	21011	Invalid fiat currency
null	21012	Invalid payment method
100003		Signature error