PoolTogether v5 Hyperstructure - Draw Auction Bot, Calculate Profit

pt-v5-draw-3-balance-and-allowance.ts

const checkBalance = (context: DrawAuctionContext) => {
  const cannotAffordRngFee = context.relayer.rngFeeTokenBalance.lt(context.rngFeeAmount);
  if (cannotAffordRngFee) {
    console.warn(
      `Need to increase relayer/bot's balance of '${context.rngFeeToken.symbol}' to pay RNG fee.`,
    );
  } else {
    console.log('Sufficient balance ✔');
  }
};

const increaseRngFeeAllowance = async (
  signer,
  context: DrawAuctionContext,
  auctionContracts: AuctionContracts,
) => {
  const rngFeeTokenContract = new ethers.Contract(context.rngFeeToken.address, ERC20Abi, signer);

  const allowance = context.relayer.rngFeeTokenAllowance;

  if (allowance.lt(context.rngFeeAmount)) {
    const tx = await rngFeeTokenContract.approve(
      auctionContracts.chainlinkVRFV2DirectRngAuctionHelperContract.address,
      ethers.constants.MaxInt256,
    );
    await tx.wait();
  }
};