PoolTogether v5 Hyperstructure - Draw Auction Bot, Gather Contract State pt. 1

pt-v5-draw-2-get-state-pt-1.ts

import { BigNumber, ethers } from 'ethers';
import { formatUnits } from '@ethersproject/units';
import { Provider } from '@ethersproject/providers';
import {
  AuctionContracts,
  DrawAuctionContext,
  DrawAuctionRelayerContext,
  RelayDrawAuctionContext,
  RngDrawAuctionContext,
  TokenWithRate,
} from '@generationsoftware/pt-v5-autotasks-library';

export enum DrawAuctionState {
  RngStartVrfHelper = 'RngVrfHelper',
  RngRelayBridge = 'RngRelayBridge',
}

import { ERC20Abi } from '../abis/ERC20Abi';
import { VrfRngAbi } from '../abis/VrfRngAbi';

const RELAYER_ADDRESS = ''; // account address of your signer / relayer
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';

const RNG_FEE_TOKEN_MARKET_RATE_USD = 6.14
const REWARD_TOKEN_MARKET_RATE_USD = 0.62
const ETH_MARKET_RATE_USD = 1636.27

const getDrawAuctionContext = async (
  rngReadProvider: Provider,
  relayReadProvider: Provider,
  auctionContracts: AuctionContracts,
): Promise<DrawAuctionContext> => {
  const prizePoolReserve = await auctionContracts.prizePoolContract.reserve();
  const prizePoolReserveForOpenDraw = await auctionContracts.prizePoolContract.reserveForOpenDraw();
  const reserve = prizePoolReserve.add(prizePoolReserveForOpenDraw);

  const rngContext = await getRng(rngReadProvider, auctionContracts, reserve);
  const relayContext = await getRelay(relayReadProvider, auctionContracts, rngContext);

  const rngNativeTokenMarketRateUsd = await getNativeTokenMarketRateUsd(RNG_CHAIN_ID);
  const relayNativeTokenMarketRateUsd = await getNativeTokenMarketRateUsd(RELAY_CHAIN_ID);

  const rngExpectedRewardUsd = rngContext.rngExpectedReward * relayContext.rewardToken.assetRateUsd;

  const context = {
    ...rngContext,
    ...relayContext,
    rngNativeTokenMarketRateUsd,
    relayNativeTokenMarketRateUsd,
    rngExpectedRewardUsd,
  };

  return {
    ...context,
    state: getState(context),
  };
};

const getState = (context: DrawAuctionContext): DrawAuctionState => {
  if (context.rngIsAuctionOpen && context.rngFeeTokenIsSet && context.rngFeeUsd > 0) {
    return DrawAuctionState.RngStartVrfHelper;
  } else if (context.rngRelayIsAuctionOpen) {
    return DrawAuctionState.RngRelayBridge;
  }
};