sui77/stellartorch-hexdata

## stellartorch-hexdata
<html>
<head>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.0.0/bignumber.min.js"></script>
    <script>
        function packTorch(entryId, operationId, lat, long) {
            let sEntryId = parseInt(entryId).toString(16);
            let sOperationId = new BigNumber(operationId).toString(16);

            // map coords to positive int range
            let sLat = Math.round((90 + lat) * 1e+7).toString(16);
            let sLong = Math.round((180 + long) * 1e+7).toString(16);
            let hex = padZero(sEntryId, 5)
                    + padZero(sOperationId, 16)
                    + padZero(sLat, 8)
                    + padZero(sLong, 8);

            // fill with zeros cause MEMO_HASH expects 64 chars
            while (hex.length < 64) {
                hex += '0';
            }

            return hex;
        }

        function unpackTorch(s) {
            let entryId = parseInt('0x' + s.substr(0, 5));
            let operationId = new BigNumber('0x' + s.substr(5, 16)).toString();
            let lat = (parseInt('0x' + s.substr(21, 8)) / 1e+7 - 90).toFixed(7);
            let long = (parseInt('0x' + s.substr(29, 8)) / 1e+7 - 180).toFixed(7);
            return {
                entryId: entryId,
                operationId: operationId,
                lat: lat,
                long: long
            }
        }

        function padZero(s, len) {
            while (s.length < len) s = '0' + s;
            return s;
        }

        let packed = packTorch(45, '107482355446345729', 53.5539,10.01602);
        console.log("packed: ", packed);

        let unpacked = unpackTorch(packed);
        console.log("unpacked: ", unpacked);

    </script>
</head>
<body>

</body>
</html>
	<html>
	<head>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.0.0/bignumber.min.js"></script>
	<script>
	function packTorch(entryId, operationId, lat, long) {
	let sEntryId = parseInt(entryId).toString(16);
	let sOperationId = new BigNumber(operationId).toString(16);

	// map coords to positive int range
	let sLat = Math.round((90 + lat) * 1e+7).toString(16);
	let sLong = Math.round((180 + long) * 1e+7).toString(16);
	let hex = padZero(sEntryId, 5)
	+ padZero(sOperationId, 16)
	+ padZero(sLat, 8)
	+ padZero(sLong, 8);

	// fill with zeros cause MEMO_HASH expects 64 chars
	while (hex.length < 64) {
	hex += '0';
	}

	return hex;
	}

	function unpackTorch(s) {
	let entryId = parseInt('0x' + s.substr(0, 5));
	let operationId = new BigNumber('0x' + s.substr(5, 16)).toString();
	let lat = (parseInt('0x' + s.substr(21, 8)) / 1e+7 - 90).toFixed(7);
	let long = (parseInt('0x' + s.substr(29, 8)) / 1e+7 - 180).toFixed(7);
	return {
	entryId: entryId,
	operationId: operationId,
	lat: lat,
	long: long
	}
	}

	function padZero(s, len) {
	while (s.length < len) s = '0' + s;
	return s;
	}

	let packed = packTorch(45, '107482355446345729', 53.5539,10.01602);
	console.log("packed: ", packed);

	let unpacked = unpackTorch(packed);
	console.log("unpacked: ", unpacked);

	</script>
	</head>
	<body>

	</body>
	</html>