ppai/server/models/PartnerGate.js

import Logs from "../libs/logs.js";
import { receivePartnerData } from "./Partner.js";
import eventSolutions from '../triangle/eventSolutions.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));
}

const getSolutionWithIors = (params) => {
  Logs.outDev('getGameSolution', params);
  const { iors, cross_type, base_stake } = params;
  const base_index = iors.reduce((minIdx, cur, idx) => cur.v < iors[minIdx].v ? idx : minIdx, 0);
  if (iors.length === 2) {
    iors.push({ v: 1 });
  }
  const betInfo = {
    cross_type,
    base_index,
    base_stake,
    odds_side_a: fixFloat(iors[0].v - 1),
    odds_side_b: fixFloat(iors[1].v - 1),
    odds_side_c: fixFloat(iors[2].v - 1),
  };
  const sol = eventSolutions(betInfo, true);
  return sol;
}

export const partnerGate = async (data) => {
  return receivePartnerData(data).
  then(({ action, params }) => {
    switch (action) {
      case 'iors.solution':
        return getSolutionWithIors(params);
      default:
        return Promise.reject(new Error('invalid action'));
    }
  });
}

export default { partnerGate };