ppai/server/models/Games.js

import GetTranslation from "../libs/getTranslation.js";
import { getSolutionsWithRelations, getGamesRelationsMap } from "../libs/getGamesRelations.js";
import Store from "../state/store.js";

import {
  getPlatformIorsDetailInfo,
  getSolutionByLatestIors,
  createPolymarketLimitBuyOrder,
  getPolymarketBalanceAllowance,
  transferPolymarketWallet,
} from "./Markets.js";

/**
 * 精确浮点数字
 * @param {number} number
 * @param {number} x
 * @returns {number}
 */
const fixFloat = (number, x=3) => {
  return parseFloat(number.toFixed(x));
}

export const getLeagues = async () => {
  const { polymarket, pinnacle } = Store.get('leagues') ?? { polymarket: [], pinnacle: [] };
  const polymarketNames = polymarket.map(item => item.name);
  const translatedNames = await GetTranslation(polymarketNames);
  const newPolymarket = polymarket.map(item => {
    const { name } = item;
    const localesName = translatedNames[name] ?? name;
    return { ...item, localesName };
  });
  return { polymarket: newPolymarket, pinnacle };
}

export const setLeaguesRelation = async (relation) => {
  const { id, platforms } = relation;
  if (!id || !platforms) {
    return Promise.reject(new Error('invalid request', { cause: 400 }));
  }
  const storeRelations = Store.get('leaguesRelations') ?? {};
  if (storeRelations[id]) {
    return Promise.reject(new Error('relation already exists', { cause: 400 }));
  }
  storeRelations[id] = relation;
  Store.set('leaguesRelations', storeRelations);
  return Promise.resolve();
};

export const removeLeaguesRelation = async (id) => {
  if (!id) {
    return Promise.reject(new Error('invalid request', { cause: 400 }));
  }
  const storeRelations = Store.get('leaguesRelations') ?? {};
  if (!storeRelations[id]) {
    return Promise.reject(new Error('relation not found', { cause: 400 }));
  }
  delete storeRelations[id];
  Store.set('leaguesRelations', storeRelations);
  return Promise.resolve();
};

export const getLeaguesRelations = async () => {
  const storeRelations = Object.values(Store.get('leaguesRelations') ?? {});
  const polymarketNames = storeRelations.map(item => item.platforms.polymarket.name);
  const translatedNames = await GetTranslation(polymarketNames);
  const newRelations = storeRelations.map(item => {
    const { platforms: { polymarket, pinnacle } } = item;
    const { name } = polymarket;
    const localesName = translatedNames[name] ?? name;
    return { ...item, platforms: { polymarket: { ...polymarket, localesName }, pinnacle } };
  });
  return Promise.resolve(newRelations);
};

export const getGames = async () => {
  const { polymarket, pinnacle } = Store.get('games') ?? { polymarket: [], pinnacle: [] };
  const polymarketNames = [ ...new Set(polymarket.map(item => [item.teamHomeName, item.teamAwayName, item.leagueName]).flat()) ];
  const translatedNames = await GetTranslation(polymarketNames);
  const newPolymarket = polymarket.map(item => {
    const { leagueName, teamHomeName, teamAwayName } = item;
    const localesTeamHomeName = translatedNames[teamHomeName] ?? teamHomeName;
    const localesTeamAwayName = translatedNames[teamAwayName] ?? teamAwayName;
    const localesLeagueName = translatedNames[leagueName] ?? leagueName;
    return { ...item, localesTeamHomeName, localesTeamAwayName, localesLeagueName };
  }).filter(item => {
    const { timestamp } = item;
    const now = Date.now();
    return (timestamp + 1000 * 60 * 60 * 2) > now;
  }).sort((a, b) => a.timestamp - b.timestamp);

  return { polymarket: newPolymarket, pinnacle };
}

export const setGamesRelation = async (relation) => {
  const { id, platforms, timestamp } = relation;
  if (!id || !platforms || !timestamp) {
    return Promise.reject(new Error('invalid request', { cause: 400 }));
  }
  const storeRelations = Store.get('gamesRelations') ?? {};
  if (storeRelations[id]) {
    return Promise.reject(new Error('relation already exists', { cause: 400 }));
  }
  storeRelations[id] = relation;
  Store.set('gamesRelations', storeRelations);
  return Promise.resolve();
}

export const removeGamesRelation = async (id) => {
  if (!id) {
    return Promise.reject(new Error('invalid request', { cause: 400 }));
  }
  const storeRelations = Store.get('gamesRelations') ?? {};
  if (!storeRelations[id]) {
    return Promise.reject(new Error('relation not found', { cause: 400 }));
  }
  delete storeRelations[id];
  Store.set('gamesRelations', storeRelations);
  return Promise.resolve();
}

export const getGamesRelations = async () => {
  const gamesRelations = Object.values(getGamesRelationsMap()).sort((a, b) => a.timestamp - b.timestamp);
  return Promise.resolve(gamesRelations);
}

/**
 * 获取解决方案
 * @param {*} param0
 * @returns
 */
export const getSolutions = async ({ min_profit_rate = 0 } = {}) => {
  const solutions = Store.get('solutions') ?? [];
  const solutionsList = solutions.filter(solution => {
    const { sol: { win_profit_rate } } = solution;
    return win_profit_rate >= min_profit_rate;
  }).sort((a, b) => {
    return b.sol.win_profit_rate - a.sol.win_profit_rate;
  });
  return getSolutionsWithRelations(solutionsList, 5);
}

/**
 * 计算Polymarket下注数量精度
 */
const calculatePolymarketStakeCount = ({ stake, tick_size, bid_ex, min_order_size } = {}) => {
  const decimalPlaces = tick_size.toString().split('.')[1]?.length ?? 0;
  const stakeCount = fixFloat(stake / bid_ex, decimalPlaces);
  if (stakeCount < min_order_size) {
    return null;
  }
  return stakeCount;
}

/**
 * 获取策略对应的盘口信息
 */
export const getSolutionIorsInfo = async (sid) => {
  const gamesRelations = getGamesRelationsMap();
  const solution = Store.get('solutions')?.find(item => item.sid == sid);
  if (!solution) {
    return Promise.reject(new Error('solution not found', { cause: 400 }));
  }
  const { rid, cpr, sol: { cross_type } } = solution;
  const gameRelation = gamesRelations[rid];
  if (!gameRelation) {
    return Promise.reject(new Error('game relation not found', { cause: 400 }));
  }
  const { platforms: { polymarket, pinnacle } } = gameRelation;
  const idMap = { polymarket: polymarket.id, pinnacle: pinnacle.id };
  const iorsInfo = await Promise.all(cpr.map(item => {
    const { k, p } = item;
    return getPlatformIorsDetailInfo(k, p, idMap[p]);
  }));
  return { cpr, iorsInfo, cross_type, gameRelation };
}

/**
 * 根据策略下注
 */
export const betSolution = async (sid, stake=0) => {
  const { cpr, iorsInfo, cross_type } = await getSolutionIorsInfo(sid);
  const solutionInfo = getSolutionByLatestIors(iorsInfo, cross_type);
  const { stakeLimit: { minGroup } } = solutionInfo ?? { stakeLimit: {} };
  if (!minGroup?.length) {
    return Promise.reject(new Error('no stake limit', { cause: 400 }));
  }
  const polymarketIndex = cpr.findIndex(item => item.p === 'polymarket');
  const polymarketInfo = iorsInfo[polymarketIndex];
  if (!polymarketInfo) {
    return Promise.reject(new Error('polymarket info not found', { cause: 400 }));
  }
  const pinnacleInfos = [...iorsInfo];
  pinnacleInfos.splice(polymarketIndex, 1);

  const polymarketStake = minGroup[polymarketIndex];
  const polymarketPrice = cpr[polymarketIndex].bid_ex;
  const polymarketStakeCount = calculatePolymarketStakeCount({ stake: polymarketStake, tick_size: polymarketInfo.tick_size, bid_ex: polymarketPrice, min_order_size: polymarketInfo.min_order_size });
  if (!polymarketStakeCount) {
    return Promise.reject(new Error('polymarket stake count not found', { cause: 400 }));
  }

  // return { cpr, solutionInfo, polymarketInfo, pinnacleInfos, polymarketStakeCount};
  const polymarketOrder = await createPolymarketLimitBuyOrder({
    tokenID: polymarketInfo.asset_id,
    price: polymarketPrice,
    size: polymarketStakeCount,
    tickSize: polymarketInfo.tick_size,
    negRisk: polymarketInfo.neg_risk,
  });

  return { polymarketOrder, ...solutionInfo, iorsInfo, cpr };
}

/**
 * 清理过期关系
 */
const cleanGamesRelations = () => {
  const now = Date.now();
  const storeRelations = Store.get('gamesRelations') ?? [];
  Object.keys(storeRelations).forEach(key => {
    const relation = storeRelations[key];
    const { timestamp } = relation;
    if ((timestamp + 1000 * 60 * 60 * 2) < now) {
      delete storeRelations[key];
    }
  });
  Store.set('gamesRelations', storeRelations);
}

setInterval(cleanGamesRelations, 1000 * 60);

export default {
  getLeagues, setLeaguesRelation, removeLeaguesRelation, getLeaguesRelations,
  getGames, setGamesRelation, removeGamesRelation, getGamesRelations,
  getSolutions, getSolutionIorsInfo, betSolution, getPolymarketBalanceAllowance, transferPolymarketWallet,
};