MustNewCoinFromAmountInterface returns a Coin from the amount map in the form of map[string]interface{}.

MustNewCoinsFromAmountInterface returns Coins from the list of amount in the from of []interface{}.

NewCoinFromAmountInterface returns a Coin from the amount in the form of map[string]interface{}.

NewCoinsFromAmountInterface returns Coins from the list of amount in the from of []interface{}.