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March 29, 2018 16:55
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Provable Outcome Verification // source http://jsbin.com/yagidew
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>Provable Outcome Verification</title> | |
| <script src="https://rawgit.com/daywiss/provable/master/dist/provable.min.js"></script> | |
| <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/skeleton/2.0.4/skeleton.min.css"></script> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <table class="u-full-width"> | |
| <thead> | |
| <tr> | |
| <th colspan='3'>Game Hashes</th> | |
| </tr> | |
| <tr> | |
| <th>Round</th> | |
| <th>Hash</th> | |
| <th>Outcome</th> | |
| </tr> | |
| </thead> | |
| <tbody id='table'></tbody> | |
| </table> | |
| </div> | |
| <script id="jsbin-javascript"> | |
| //see https://github.com/daywiss/provable for full documentation | |
| function refreshTable(hashes,round){ | |
| var tableBody = document.getElementById("table"); | |
| tableBody.innerHTML = ""; | |
| tableBody.innerHTML = hashes.map(function(hash,index){ | |
| var result = calcOutcome(hash) | |
| return "<tr><td>"+(round-index)+"</td><td>"+hash+"</td><td>"+result+"</td></tr>"; | |
| }).join('') | |
| } | |
| function calcOutcome(hash){ | |
| //rehash with public seed if you need to | |
| //hash = Provable.rehash(hash,publicSeed) | |
| return (Provable.toFloat(hash) * 100).toFixed(2) + '%' | |
| } | |
| //get query parameters from the url | |
| function getParams(name, url) { | |
| if (!url) url = window.location.href; | |
| name = name.replace(/[\[\]]/g, "\\$&"); | |
| var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)") | |
| var results = regex.exec(url); | |
| if (!results) return null; | |
| if (!results[2]) return ''; | |
| return decodeURIComponent(results[2].replace(/\+/g, " ")); | |
| } | |
| function run(){ | |
| //this is just some hash you want to verify. It can be passed in as url params | |
| var currentHash = getParams('hash') || 'e8f5ef5297228142a9a49633bb0d8d051fb31b643580bde00c977bd593d3e654' | |
| //our current round, must be > 0 to be able to do any verification | |
| var currentRound = getParams('round') || 100 | |
| //limit the rounds we are checking to 20 | |
| var hashCount = Math.min(currentRound,20) | |
| //initialize provable | |
| var provable = Provable({ | |
| seed:currentHash, //the current hash we are checking | |
| count:hashCount, //the number of previous hashes we want to list with it | |
| }) | |
| //here we get all hashes (20 or hashCount), including seed hash, and reverse them so seed is first. | |
| //see docs for full function specification | |
| var hashes = provable.hashes(null,null,true,true) | |
| refreshTable(hashes,currentRound) | |
| } | |
| run() | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">//see https://github.com/daywiss/provable for full documentation | |
| function refreshTable(hashes,round){ | |
| var tableBody = document.getElementById("table"); | |
| tableBody.innerHTML = ""; | |
| tableBody.innerHTML = hashes.map(function(hash,index){ | |
| var result = calcOutcome(hash) | |
| return "<tr><td>"+(round-index)+"</td><td>"+hash+"</td><td>"+result+"</td></tr>"; | |
| }).join('') | |
| } | |
| function calcOutcome(hash){ | |
| //rehash with public seed if you need to | |
| //hash = Provable.rehash(hash,publicSeed) | |
| return (Provable.toFloat(hash) * 100).toFixed(2) + '%' | |
| } | |
| //get query parameters from the url | |
| function getParams(name, url) { | |
| if (!url) url = window.location.href; | |
| name = name.replace(/[\[\]]/g, "\\$&"); | |
| var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)") | |
| var results = regex.exec(url); | |
| if (!results) return null; | |
| if (!results[2]) return ''; | |
| return decodeURIComponent(results[2].replace(/\+/g, " ")); | |
| } | |
| function run(){ | |
| //this is just some hash you want to verify. It can be passed in as url params | |
| var currentHash = getParams('hash') || 'e8f5ef5297228142a9a49633bb0d8d051fb31b643580bde00c977bd593d3e654' | |
| //our current round, must be > 0 to be able to do any verification | |
| var currentRound = getParams('round') || 100 | |
| //limit the rounds we are checking to 20 | |
| var hashCount = Math.min(currentRound,20) | |
| //initialize provable | |
| var provable = Provable({ | |
| seed:currentHash, //the current hash we are checking | |
| count:hashCount, //the number of previous hashes we want to list with it | |
| }) | |
| //here we get all hashes (20 or hashCount), including seed hash, and reverse them so seed is first. | |
| //see docs for full function specification | |
| var hashes = provable.hashes(null,null,true,true) | |
| refreshTable(hashes,currentRound) | |
| } | |
| run()</script></body> | |
| </html> |
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| //see https://github.com/daywiss/provable for full documentation | |
| function refreshTable(hashes,round){ | |
| var tableBody = document.getElementById("table"); | |
| tableBody.innerHTML = ""; | |
| tableBody.innerHTML = hashes.map(function(hash,index){ | |
| var result = calcOutcome(hash) | |
| return "<tr><td>"+(round-index)+"</td><td>"+hash+"</td><td>"+result+"</td></tr>"; | |
| }).join('') | |
| } | |
| function calcOutcome(hash){ | |
| //rehash with public seed if you need to | |
| //hash = Provable.rehash(hash,publicSeed) | |
| return (Provable.toFloat(hash) * 100).toFixed(2) + '%' | |
| } | |
| //get query parameters from the url | |
| function getParams(name, url) { | |
| if (!url) url = window.location.href; | |
| name = name.replace(/[\[\]]/g, "\\$&"); | |
| var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)") | |
| var results = regex.exec(url); | |
| if (!results) return null; | |
| if (!results[2]) return ''; | |
| return decodeURIComponent(results[2].replace(/\+/g, " ")); | |
| } | |
| function run(){ | |
| //this is just some hash you want to verify. It can be passed in as url params | |
| var currentHash = getParams('hash') || 'e8f5ef5297228142a9a49633bb0d8d051fb31b643580bde00c977bd593d3e654' | |
| //our current round, must be > 0 to be able to do any verification | |
| var currentRound = getParams('round') || 100 | |
| //limit the rounds we are checking to 20 | |
| var hashCount = Math.min(currentRound,20) | |
| //initialize provable | |
| var provable = Provable({ | |
| seed:currentHash, //the current hash we are checking | |
| count:hashCount, //the number of previous hashes we want to list with it | |
| }) | |
| //here we get all hashes (20 or hashCount), including seed hash, and reverse them so seed is first. | |
| //see docs for full function specification | |
| var hashes = provable.hashes(null,null,true,true) | |
| refreshTable(hashes,currentRound) | |
| } | |
| run() |
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