DeFiCh/scan

import { ActivePrice } from "@defichain/whale-api-client/dist/api/prices";
import BigNumber from "bignumber.js";

type ActivePriceType = "ACTIVE" | "NEXT";
type TokenType = "COLLATERAL" | "LOAN";

// oracle prices
export function getActivePrice(
  symbol: string,
  activePrice?: ActivePrice,
  priceFactor: string = "1",
  priceType: ActivePriceType = "ACTIVE",
  tokenType: TokenType = "LOAN"
): string {
  if (symbol === "DUSD") {
    return new BigNumber("1").multipliedBy(priceFactor).toFixed(8);
  }

  if (tokenType === "LOAN") {
    return (
      (priceType === "ACTIVE"
        ? activePrice?.active?.amount
        : activePrice?.next?.amount) ?? "0"
    );
  } else {
    return priceType === "ACTIVE"
      ? new BigNumber(activePrice?.active?.amount ?? 0)
          .multipliedBy(priceFactor)
          .toFixed(8)
      : new BigNumber(activePrice?.next?.amount ?? 0)
          .multipliedBy(priceFactor)
          .toFixed(8);
  }
}