Get market pair list.
Usage
visionWeb.vs.getMarketPairList();
Parameters
No need to pass parameters.
Returns
Array.
Example
visionWeb.vs.getMarketPairList();
> [
{sell_token_id: '31303030303031', buy_token_id: '31303030303032'},
{sell_token_id: '31303030303032', buy_token_id: '31303030303031'},
{sell_token_id: '31303030303033', buy_token_id: '31303030303034'},
{sell_token_id: '5f', buy_token_id: '31303030303032'},
]