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,
      cooldownMs: config.cooldownMs || 60000,
      ...config
    });
    
    this.lastTradeTime = 0;
    this.lastTradeTicker = null;
  }

  evaluate(state) {
    if (!state || !this.enabled || !state.closeTime) return null;

    const now = Date.now();
    if (now - this.lastTradeTime < this.config.cooldownMs) return null;
    if (state.ticker === this.lastTradeTicker) return null;

    // 15 minute market total. First 1-5 minutes means 10 to 14 mins left.
    const timeLeftMs = new Date(state.closeTime).getTime() - now;
    const minsLeft = timeLeftMs / 60000;

    if (minsLeft > 14 || minsLeft < 10) return null; // Outside our time window

    const { yesPct } = state;

    // Buy Yes if it's struggling early on
    if (yesPct >= this.config.minYesPct && yesPct <= this.config.maxYesPct) {
      const signal = {
        strategy: this.name,
        side: 'yes',
        price: yesPct,
        size: this.config.betSize,
        reason: `Early Bullish Dip: ${minsLeft.toFixed(1)}m left, Yes @ ${yesPct}¢`,
        ticker: state.ticker
      };

      this.lastTradeTime = now;
      this.lastTradeTicker = state.ticker;
      return signal;
    }

    return null;
  }
}