KalBot/lib/strategies/dont-doubt-bull.js

import { BaseStrategy } from './base.js';

export class DontDoubtBullStrategy extends BaseStrategy {
  constructor(config = {}) {
    super('dont-doubt-bull', {
      minYesPct: config.minYesPct || 30,
      maxYesPct: config.maxYesPct || 40,
      betSize: config.betSize || 2,
      slippage: config.slippage || 3,
      cooldownMs: config.cooldownMs || 20000,
      ...config
    });

    this._lastTrade = {
      paper: { time: 0, ticker: null },
      live: { time: 0, ticker: null }
    };
  }

  evaluate(state, caller = 'paper') {
    if (!state || !this.enabled || !state.closeTime) return null;

    const track = this._lastTrade[caller] || this._lastTrade.paper;
    const now = Date.now();
    if (now - track.time < this.config.cooldownMs) return null;
    if (state.ticker === track.ticker) return null;

    const timeLeftMs = new Date(state.closeTime).getTime() - now;
    const minsLeft = timeLeftMs / 60000;
    if (minsLeft > 14 || minsLeft < 10) return null;

    const { yesPct } = state;

    if (yesPct >= this.config.minYesPct && yesPct <= this.config.maxYesPct) {
      const maxPrice = Math.min(yesPct + this.config.slippage, 95);

      const signal = {
        strategy: this.name,
        side: 'yes',
        price: yesPct,
        maxPrice,
        size: this.config.betSize,
        reason: `Early Bullish Dip: ${minsLeft.toFixed(1)}m left, Yes @ ${yesPct}¢`,
        ticker: state.ticker
      };

      track.time = now;
      track.ticker = state.ticker;
      return signal;
    }

    return null;
  }
}