import { Currency, Token, WETH9, Ether } from "@uniswap/sdk-core";
import { supportedChainId } from "./supportedChainId";

export function unwrappedToken(currency: Token): Currency {
  if (currency.isNative) return currency;
  const formattedChainId = supportedChainId(currency.chainId);
  if (formattedChainId && currency.equals(WETH9[formattedChainId]))
    return Ether.onChain(currency.chainId);
  return currency;
}