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kellymath_core_manual.js
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kellymath_core_manual.js
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//var kellymathRun = function(){
var request = require('request');
var stringify = require('stringify');
var moment = require('moment');
var predictions = [];
var odds = [];
var matches = [];
var bet = {};
function settingTimeout(){
console.log("setting Timeout");
}
function callback(error, response, body) {
//console.log(response);
if (!error && response.statusCode == 200) {
console.log("successfully created");
} else {
console.log("failed " + error);
}
};
function callback_matches(error, response, body) {
if (!error && response.statusCode == 200) {
console.log("matches received");
matches = JSON.parse(body);
console.log(matches);
console.log(matches.length);
for(var i = 0; i < matches.length; i++){
request({ url: 'http://localhost:2403/odds?matchReference=' + matches[i].id, method: 'GET'}, callback_odds);
setTimeout(settingTimeout, 10000);
request({ url: 'http://localhost:2403/expertpredictions?matchReference=' + matches[i].id, method: 'GET'}, callback_predictions);
}
} else {
console.log("failed " + error);
}
};
function callback_predictions(error, response, body) {
if (!error && response.statusCode == 200) {
var predictionsValid = false;
console.log("predictions received");
predictions = JSON.parse(body);
if (predictions.length !== 0) {
console.log(predictions);
console.log(predictions.length);
if(predictions.length < 2) {
console.log('not enough predictions to make a decision. At least two of the same type are required.');
} else {
console.log('Calculating the most likely match outcome based on the expert predictions...');
//MAGIC CALCULATION HAPPENING HERE:
var expertsHomeProbabilitySum = 0;
var expertsDrawProbabilitySum = 0;
var expertsAwayProbabilitySum = 0;
var bettingChoice = "";
for(var s = 0; s < predictions.length; s++){
var sumExperts = predictions.length;
expertsHomeProbabilitySum += predictions[s].homeProbability;
expertsDrawProbabilitySum += predictions[s].drawProbability;
expertsAwayProbabilitySum += predictions[s].awayProbability;
}
var expertsHomeProbability = expertsHomeProbabilitySum / sumExperts;
var expertsDrawProbability = expertsDrawProbabilitySum / sumExperts;
var expertsAwayProbability = expertsAwayProbabilitySum / sumExperts;
console.log(expertsHomeProbability);
console.log(expertsDrawProbability);
console.log(expertsAwayProbability);
if(Math.max(expertsHomeProbability, expertsDrawProbability, expertsAwayProbability) == expertsHomeProbability){
console.log("bet on Home!");
var bettingChoice = "1";
} else if(Math.max(expertsHomeProbability, expertsDrawProbability, expertsAwayProbability) == expertsDrawProbability){
console.log("bet on Draw!");
var bettingChoice = "X";
} else if(Math.max(expertsHomeProbability, expertsDrawProbability, expertsAwayProbability) == expertsAwayProbability){
console.log("bet on Away!");
var bettingChoice = "2"
}
bet = {
matchReference: predictions[0].matchReference,
bettingChoice: bettingChoice
};
var options = {
method: 'PUT',
url: 'http://localhost:2403/matches/?id=' + predictions[0].matchReference,
//ACTUALLY HERE I NEED TO FIND THE BETS ID WHERE TO UPDATE
headers: {'Content-Type': 'application/json'},
form: bet
};
request(options, callback);
}
}
} else {
console.log("failed " + error);
}
};
function callback_odds(error, response, body) {
if (!error && response.statusCode == 200) {
console.log("odds received");
odds = JSON.parse(body);
if (odds.length > 1) {
console.log(odds);
console.log(odds.length);
//MAGIC CALCULATION HAPPENING HERE:
var sumOddHome = 0;
var avgOddHome = 0
var avgProbHome = 0;
var maxOddDataHome = [];
var maxOddHome = 0;
var kellyHome = 0;
var sumOddDraw = 0;
var avgOddDraw = 0
var avgProbDraw = 0;
var maxOddDataDraw = [];
var maxOddDraw = 0;
var kellyDraw = 0;
var sumOddAway = 0;
var avgOddAway = 0
var avgProbAway = 0;
var maxOddDataAway = [];
var maxOddAway = 0;
var kellyAway = 0;
for (var m = 0; m < odds.length; m++) {
maxOddDataHome.push(odds[m].homeOdds);
sumOddHome += odds[m].homeOdds;
avgOddHome = sumOddHome / odds.length;
avgProbHome = 100 / avgOddHome;
maxOddDataDraw.push(odds[m].drawOdds);
sumOddDraw += odds[m].drawOdds;
avgOddDraw = sumOddDraw / odds.length;
avgProbDraw = 100 / avgOddDraw;
maxOddDataAway.push(odds[m].awayOdds);
sumOddAway += odds[m].awayOdds;
avgOddAway = sumOddAway / odds.length;
avgProbAway = 100 / avgOddAway;
};
console.log(avgOddHome);
console.log(avgProbHome);
maxOddHome = Math.max.apply(Math, maxOddDataHome);
var providerIndexHome = maxOddDataHome.indexOf(maxOddHome);
var providerHome = odds[providerIndexHome].bookmaker;
console.log(maxOddHome);
if(((avgProbHome / 100 * maxOddHome)-1) <= 0){
kellyHome = 0
} else {
kellyHome = ((avgProbHome / 100 * maxOddHome)-1) / (maxOddHome - 1);
};
console.log('Kelly Investment for Home ' + kellyHome);
console.log(1000 * kellyHome);
console.log(avgOddDraw);
console.log(avgProbDraw);
maxOddDraw = Math.max.apply(Math, maxOddDataDraw);
var providerIndexDraw = maxOddDataDraw.indexOf(maxOddDraw);
var providerDraw = odds[providerIndexDraw].bookmaker;
console.log(maxOddDraw);
if(((avgProbDraw / 100 * maxOddDraw)-1) <= 0){
kellyDraw = 0
} else {
kellyDraw = ((avgProbDraw / 100 * maxOddDraw)-1) / (maxOddDraw - 1)
};
console.log('Kelly Investment for Draw ' + kellyDraw);
console.log(1000 * kellyDraw);
console.log(avgOddAway);
console.log(avgProbAway);
maxOddAway = Math.max.apply(Math, maxOddDataAway);
var providerIndexAway = maxOddDataAway.indexOf(maxOddAway);
var providerAway = odds[providerIndexAway].bookmaker;
console.log(maxOddAway);
if(((avgProbAway / 100 * maxOddAway)-1) <= 0){
kellyAway = 0
} else {
kellyAway = ((avgProbAway / 100 * maxOddAway)-1) / (maxOddAway - 1);
};
console.log('Kelly Investment for Away ' + kellyAway);
console.log(1000 * kellyAway);
/*
if(kellyAway > 0.1){
kellyAway = 0.1
} else if (kellyDraw > 0.1) {
kellyDraw = 0.1
} else if (kellyHome) {
kellyHome = 0.1
}
*/
bet = {
matchReference: odds[0].matchReference,
//bettingType:
//bettingChoice:
//amountToBet:
//betWon:
//amountReceived:
createdDate: new Date(),
//updatedDate:
//betPlaced:
avgOddHome: avgOddHome,
avgOddDraw: avgOddDraw,
avgOddAway: avgOddAway,
avgProbHome: avgProbHome,
avgProbDraw: avgProbDraw,
avgProbAway: avgProbAway,
maxOddHome: maxOddHome,
maxOddDraw: maxOddDraw,
maxOddAway: maxOddAway,
kellyPercentageHome: kellyHome,
kellyPercentageDraw: kellyDraw,
kellyPercentageAway: kellyAway,
providerHome: providerHome,
providerDraw: providerDraw,
providerAway: providerAway
};
var options = {
method: 'PUT',
url: 'http://localhost:2403/matches/?id=' + odds[0].matchReference,
headers: {'Content-Type': 'application/json'},
form: bet
};
request(options, callback);
}
} else {
console.log("failed, not sufficient odds to compare" + error);
}
};
var query = JSON.stringify({'matchStatus': {$ne: 'Finished'}, 'createdDate': {$gte: moment().subtract(10, 'days')}});
request({ url: 'http://localhost:2403/matches/?' + query, method: 'GET'}, callback_matches);
//}
//exports.kellymathRun = kellymathRun;