nombre de confirmations

// nombre de confirmations
var z = 6;

// medium hashrate
var q = 80;

// spend attack (bitcoin)
var v = 10;

// maximum authorized delay
var A = 20;

// nombre d'attaque
var n = 100;

// validation reward for each block validation
var block_reward = 0.5;

// Miner's revenue at the end of the attack cycle
var Ri = 0;

// Time duration of the attack cycle
var Ti = 0;

// pre-mining
var premining = 1;

// number of block mined by honest miners
var honest_miners_blocks_validated = 0;

// number of block mined by attacker miner
var attacker_blocks_validated = 0;

// retard entre la blockchain officiel et la blockchain fork. True si dépassé, false sinon.
var delay_exceeded = A < Math.abs(honest_miners_blocks_validated - attacker_blocks_validated);

// nombre d'attaque actuel. True si égal ou dépassé, false sinon
var number_attack_exceeded = Ti >= n;

var attacker_block_ahead = attacker_blocks_validated > honest_miners_blocks_validated;

// 1 : mined by honest miner - 0 : mined by attacker
var block_mined = function(){
    var random = Math.round(Math.random());

    if (random == 1){
        honest_miners_blocks_validated++;
        console.log("Honest miner had mined a block !")
    }
    else {
        attacker_blocks_validated++;
        console.log("Attacker miner had mined a block !")
    }
}

var total_rewards = function(){
    attacker_blocks_validated * block_reward + v;
}

// attack cycle started
console.log("Attack cycle started !")

// affectation of the premined block for attacker
//console.log("Affectation of the premined block for attacker.")
//attacker_block_validated += premining;

while (!(A < Math.abs(honest_miners_blocks_validated - attacker_blocks_validated)) && !(Ti >= n) && !(attacker_blocks_validated > honest_miners_blocks_validated)) {
    block_mined();
    Ti++;
}

if(A < Math.abs(honest_miners_blocks_validated - attacker_blocks_validated))
    console.log("Delay exceeded ! End of the cycle attack")
else if(Ti >= n)
    console.log("Number of attack exceeded ! End of the cycle attack")
else if(attacker_blocks_validated > honest_miners_blocks_validated) {
    console.log("We have mined more blocks than the official blockchain ! End of the cycle attack. Broadcasting of our fork.")
    console.log("Total rewards : " + (attacker_blocks_validated * block_reward + v) + " btc")
    console.log("Time of attack cycle : " + Ti)
}