Adding Liquidity

const uniswap = new Contract(config.UNISWAP_ADDRESS, [
  `function addLiquidityETH(
      address token,
      uint amountTokenDesired,
      uint amountTokenMin,
      uint amountETHMin,
      address to,
      uint deadline
  ) external payable returns (uint amountToken, uint amountETH, uint liquidity)`,
  `function addLiquidity(
    address tokenA,
    address tokenB,
    uint amountADesired,
    uint amountBDesired,
    uint amountAMin,
    uint amountBMin,
    address to,
    uint deadline
) external returns (uint amountA, uint amountB, uint liquidity)`,
]);

const addLiquidityETH = async () => {
  const amountTokenDesired = 1000000000000000000;
  const amountTokenMin = 1000000000000000000;
  const amountETHMin = 1000000000000000000;
  const to = '0x0000000000000000000000000000000000000000';
  const deadline = Math.floor(Date.now() / 1000) + 60;

  const tx = await uniswap.addLiquidityETH(
    config.TOKEN_ADDRESS,
    amountTokenDesired,
    amountTokenMin,
    amountETHMin,
    to,
    deadline
  );

  console.log({ tx });
};

const addLiquidity = async () => {
  const amountADesired = 1000000000000000000;
  const amountBDesired = 1000000000000000000;
  const amountAMin = 1000000000000000000;
  const amountBMin = 1000000000000000000;
  const to = '0x0000000000000000000000000000000000000000';
  const deadline = Math.floor(Date.now() / 1000) + 60;

  const tx = await uniswap.addLiquidity(
    config.TOKEN_ADDRESS,
    config.TOKEN_ADDRESS, // could be any token like USDC
    amountADesired, // amount of tokenA desired
    amountBDesired, // amount of tokenB desired e.g 1000 USDC
    amountAMin,
    amountBMin,
    to,
    deadline
  );

  console.log({ tx });
};