Function cw20_escrow::contract::try_cw20_top_up

pub fn try_cw20_top_up<S: Storage, A: Api, Q: Querier>(
    deps: &mut Extern<S, A, Q>, 
    _sender: HumanAddr, 
    token: Cw20Coin, 
    id: String
) -> StdResult<HandleResponse>