PoolTogether v5 Hyperstructure - Arbitrage Bot, Optimal Amount Outs

pt-v5-arb-3-optimal-amount-out.ts

const { originalMaxAmountOut, wantedAmountsOut } = await calculateAmountOut(
  liquidationPairContract,
  context,
);

// Calculates necessary input parameters for the swap call based on current state
// of the contracts
const calculateAmountOut = async (
  liquidationPair: Contract,
  context: ArbLiquidatorContext,
): Promise<{
  originalMaxAmountOut: BigNumber;
  wantedAmountsOut: BigNumber[];
}> => {
  const wantedAmountsOut = [];
  const amountOut = await liquidationPair.callStatic.maxAmountOut();

  // Get multiple data points across the auction function to determine
  // the most amount of profitability (most amount out for least amount
  // of token in depending on the state of the gradual auction)
  for (let i = 1; i <= 100; i++) {
    const amountToSendPercent = i;
    const wantedAmountOut = amountOut
      .mul(ethers.BigNumber.from(amountToSendPercent))
      .div(100);

    wantedAmountsOut.push(wantedAmountOut);
  }

  return {
    originalMaxAmountOut: amountOut,
    wantedAmountsOut,
  };
};