base_bet = 100;                       // 100 == 1 sat
base_multiplier = 133;                // 180 == 1.8x
on_lose_add_multiplier = 60;         // mul = mul + 100
on_lose_add_bet = 100;                // bet = bet + 100
on_lose_mul_bet = 1;                // bet = bet x 1.1
on_lose_reset = 100000;                 // Lose 1000 times then reset

// ================================================================

bet = base_bet;
multiplier = base_multiplier;
lose_count = 0;

function cb(data) {
    console.log(data);
};

engine.on('game_crash', function(data) {
    if (data.game_crash >= multiplier) {
        // On win
        lose_count = 0;
        multiplier = base_multiplier;
        bet = base_bet;
    } else {
        // On lose
        lose_count += 1;
        if (lose_count >= on_lose_reset) {
            multiplier = base_multiplier;
            bet = base_bet;
        } else {
            multiplier += on_lose_add_multiplier;
            bet += on_lose_add_bet;
            bet *= on_lose_mul_bet;
        };
    };
    engine.placeBet(bet, multiplier, cb);
});

engine.placeBet(bet, multiplier, cb);