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tool.01.generateIO.blockchain.html
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<html>
<body>
<script src="js/csv.js"></script>
<script src="js/getrate.js"></script>
<script src="js/modules.js"></script>
<script>
var bitcoin = modules.bitcoin;
//var Buffer = modules.buffer.Buffer;
//var Bip38 = modules.bip38;
//var bip38 = new Bip38()
</script>
<button onclick="addFiles()">Add Files</button>
<button id="generateButton" disabled onclick="generate()">Generate</button>
<a id="inputFileLink"></a>
<a id="outputFileLink"></a>
<br>
<table>
<tbody>
<tr><td>Files</td><td></td></tr>
</tbody>
</table>
<script>
var tbody = document.querySelector('tbody');
var generateButton = document.getElementById('generateButton');
var inputFileLink = document.getElementById('inputFileLink');
var outputFileLink = document.getElementById('outputFileLink');
function getFileExtension(filename)
{
var index = filename.lastIndexOf('.');
if (index != -1)
{
return filename.slice(index+1);
}
return '';
}
function getFileBaseName(filename)
{
var extIndex = filename.lastIndexOf('.');
if (extIndex == -1)
{
extIndex = filename.length;
}
var pathIndex = filename.lastIndexOf('/');
return filename.slice(pathIndex+1, extIndex);
}
function isAddress(string) {
try {
bitcoin.address.fromBase58Check(string)
} catch (e) {
return false
}
return true
}
var inputs = [];
function filesSelected()
{
if (this.files.length == 0)
{
return;
}
for (var i = 0; i < this.files.length; i++)
{
var extension = getFileExtension(this.files[i].name);
if (extension != 'csv' && extension != 'json')
{
alert('expecting csv or json file but got: ' + this.files[i].name);
return;
}
if (extension == 'json')
{
var baseName = getFileBaseName(this.files[i].name);
if (!isAddress(baseName))
{
alert('expected json file with bitcoin address as filename but got: ' + this.files[i].name);
return;
}
}
}
var input = this;
inputs.push(input);
var tr = document.createElement('tr');
var td = document.createElement('td');
td.insertAdjacentHTML('beforeend', input.files[0].name);
for (var i = 1; i < input.files.length; i++)
{
td.insertAdjacentHTML('beforeend', '<br>' + input.files[i].name);
}
tr.appendChild(td);
var td = document.createElement('td');
var button = document.createElement('button');
button.onclick = function ()
{
var index = inputs.indexOf(input);
inputs.splice(index, 1);
tbody.removeChild(tr);
if (inputs.length == 0)
{
generateButton.disabled = true;
}
}
td.appendChild(button);
tr.appendChild(td);
button.textContent = 'Remove';
tbody.appendChild(tr);
if (ratesLoaded)
{
generateButton.disabled = false;
}
}
function addFiles()
{
var input = document.createElement('input');
input.type = 'file';
input.multiple = true;
input.onchange = filesSelected;
input.click();
}
var transactionTable = {}
var transactions = []
function resetTransactions()
{
transactionTable = {}
transactions = []
}
function integrateTransaction(time, balance, rate, id, source)
{
var transaction;
if (id.length > 0)
{
if (transactionTable[id] != undefined)
{
transaction = transactionTable[id];
transaction[1] += balance;
if (transaction[2].length == 0)
{
transaction[2] = rate;
}
transaction[4] += ' ' + source;
}
else
{
transaction = [ time, balance, rate, id, source ];
transactionTable[id] = transaction;
transactions.push(transaction);
}
}
else
{
transaction = [ time, balance, rate, id, source ];
transactions.push(transaction);
}
}
function integrateCSV(csv)
{
for (var i = 0; i < csv.length; i++)
{
var tx = csv[i];
integrateTransaction(tx[0], parseFloat(tx[1]), tx[2], tx[3], tx[4]);
}
}
function integrateJSON(wallet, address)
{
for (var t = 0; t < wallet.txs.length; t++)
{
var tx = wallet.txs[t];
var balance = 0;
for (var ti = 0; ti < tx.inputs.length; ++ti)
{
if (tx.inputs[ti].prev_out.addr != address)
{
continue;
}
balance -= tx.inputs[ti].prev_out.value;
}
for (var to = 0; to < tx.out.length; ++to)
{
if (tx.out[to].addr != address)
{
continue;
}
balance += tx.out[to].value;
}
integrateTransaction(tx.time.toString(), balance/100000000, '', tx.hash, address);
}
}
// sometimes math operations result in fractional satoshis as a precision issue.
function fixBTC(btc)
{
return Math.round(btc*100000000)/100000000;
}
// accumulate rates by year
function addRateTs(pendingRates, index, ts)
{
var year = new Date(ts*1000).getFullYear();
if (pendingRates[year] === undefined)
{
pendingRates[year] = {
index : [],
ts : []
}
}
pendingRates[year].index.push(index);
pendingRates[year].ts.push(ts);
}
var ratesLoaded = false;
var rates = new Rates([2013, 2014, 2015],
function ()
{
ratesLoaded = true;
if (inputs.length > 0)
{
generateButton.disabled = false;
}
console.log('rates loaded!');
},
function (message)
{
console.log('loading rates failed :' + message);
});
function filterTransactions(pre_transactions, maxTime)
{
var transactions = [];
var input = [];
var output = [];
var pendingRates = {};
for (var i = 0; i < pre_transactions.length; i++)
{
var tx = pre_transactions[i];
var time = parseInt(tx[0]);
if (time >= maxTime)
{
continue;
}
var btc = fixBTC(tx[1]);
if (btc == 0)
{
continue;
}
if (btc > 0)
{
input.push(tx);
}
else
{
output.push(tx);
}
tx[1] = btc.toString();
if (tx[2].length == 0)
{
addRateTs(pendingRates, transactions.length, time);
}
transactions.push(tx);
}
var rateYears = Object.keys(pendingRates);
if (rateYears.length > 0)
{
for (var year in pendingRates)
{
console.log(year);
var rateTs = pendingRates[year].ts;
var rateIndex = pendingRates[year].index;
var rateUSD = rates.getRates(year, rateTs);
if (rateUSD.length != rateIndex.length)
{
alert('failed to get rates!');
return;
}
for (var i = 0; i < rateIndex.length; i++)
{
transactions[rateIndex[i]][2] = rateUSD[i];
}
}
}
input.sort(function(a,b) { return parseInt(a[0]) - parseInt(b[0]) } );
output.sort(function(a,b) { return parseInt(a[0]) - parseInt(b[0]) } );
return {
input : input,
output : output,
transactions : transactions
};
}
var files = [];
var fileName = '';
var fileIndex = 0;
function onDone()
{
var maxTime = 1426807360;//1388563200;//1388534400;
var inout = filterTransactions(transactions, maxTime);
inputFileLink.href = 'data:text/csv;charset=UTF-8,' + encodeURIComponent(CSV.stringify(inout.input));
inputFileLink.download = 'input.csv'
inputFileLink.textContent = 'input.csv'
outputFileLink.href = 'data:text/csv;charset=UTF-8,' + encodeURIComponent(CSV.stringify(inout.output));
outputFileLink.download = 'output.csv'
outputFileLink.textContent = 'output.csv'
}
function readerOnLoad(e)
{
var extension = getFileExtension(fileName);
if (extension == 'csv')
{
var csv = CSV.parse(this.result);
integrateCSV(csv);
}
else
{
var json = JSON.parse(this.result);
integrateJSON(json, getFileBaseName(fileName));
}
readNext();
}
function readNext()
{
if (fileIndex >= files.length)
{
onDone();
return;
}
var reader = new FileReader();
reader.onload = readerOnLoad;
reader.readAsText(files[fileIndex]);
fileName = files[fileIndex].name;
fileIndex++;
}
function generate()
{
resetTransactions();
files = [];
// gather csv files first
for (var i = 0; i < inputs.length; i++)
{
var input = inputs[i];
for (var j = 0; j < input.files.length; j++)
{
if (getFileExtension(input.files[j].name) != 'csv')
{
continue;
}
files.push(input.files[j]);
}
}
// gather json files next
for (var i = 0; i < inputs.length; i++)
{
var input = inputs[i];
for (var j = 0; j < input.files.length; j++)
{
if (getFileExtension(input.files[j].name) != 'json')
{
continue;
}
files.push(input.files[j]);
}
}
// start reading files
fileIndex = 0;
readNext();
}
</script>
</body>
</html>