OHLC data for currency pair on DEX

DEX_OHLC.ql

{
  ethereum(network: ethereum) {
    dexTrades(options: {limit: 10, asc: "timeInterval.minute"}, 
      protocol: {is: "Uniswap v2"}, 
      date: {is: "2020-10-10"}
      buyCurrency: {is: "0xdac17f958d2ee523a2206206994597c13d831ec7"}, 
      sellCurrency: {is: "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"}) {
      timeInterval {
        minute(count: 5)
      }
      buyCurrency {
        symbol
        address
      }
      buyAmount
      sellCurrency {
        symbol
        address
      }
      sellAmount
      trades: count
      maximum_price: price(calculate: maximum)
      minimum_price: price(calculate: minimum)
      open_price: minimum(of: block, get: price)
      close_price: maximum(of: block, get: price)
    }
  }
}