liquidops/src/functions/utils/getPrice.ts

LiquidOps is an over-collateralised lending and borrowing protocol built on Arweave's L2 AO.

import { TokenInput } from "../../ao/utils/tokenInput";
import { getData } from "../../ao/messaging/getData";
import {
  controllerAddress,
  convertTicker,
} from "../../ao/utils/tokenAddressData";
import { redstoneOracleAddress } from "../../ao/utils/tokenAddressData";
import { RedstonePrices } from "../liquidations/getLiquidations";

export interface GetPrice {
  token: TokenInput | string;
}

export type GetPriceRes = number;

export async function getPrice({ token }: GetPrice): Promise<GetPriceRes> {
  if (!token) {
    throw new Error("Please specify a token.");
  }

  try {
    const redstonePriceFeedRes = await getData({
      Owner: controllerAddress,
      Target: redstoneOracleAddress,
      Action: "v2.Request-Latest-Data",
      Tickers: JSON.stringify([convertTicker(token)]),
    });

    const prices: RedstonePrices = JSON.parse(
      redstonePriceFeedRes.Messages[0].Data,
    );

    return prices[convertTicker(token)].v;
  } catch (error) {
    throw new Error("Error getting price: " + error);
  }
}