hookGetFindstakeData

gistfile1.js

 var http = require('http');

function checkTxPresent(txId, txIndex, cb) {
	var keytx = 'to' + txId + '_' + txIndex;
	var str = '';
	var fileurl = "http://peercoinfindstakedata.divshot.io/json/" + keytx + '.json';

	var handleRes = function (res) {
		var isOK = (res.statusCode == 200);
		res.on('data', function (chunk) {
			str += chunk;
		});
		res.on('end', function () {
			cb((isOK ? keytx : ''));
		});
	};

	http.get(fileurl, handleRes).on('error', function () {
		cb('');
	});
}
function getStats(cb) {
		cb('7.0');
}
function getStatsorg(cb) {
	var str = '';
	var fileurl = "http://peerchain.net/api/network/last";

	http.get(fileurl, function (res) {

		res.on('data', function (chunk) {
			str += chunk;
		});
		res.on('end', function () {
			var parsed = JSON.parse(str);
			/*{
			"destroyed_fees": "5271.019824",
			"last_block": 161221,
			"mined_coins": "21887791.080000",
			"minted_coins": "233084.450000",
			"money_supply": "22115604.510176",
			"pos_blocks": 123693,
			"pos_difficulty": "14.68699991",
			"pow_block_reward": "82.700000",
			"pow_blocks": 37529,
			"pow_difficulty": 213748685.664,
			"time": "2015-02-28 16:18:16+0000",
			"transactions": 425569
			}
			 */
			if (parsed) {
				cb((parsed.pos_difficulty));
			} else
				cb('15.0');

		});

	}).on('error', function () {
		console.log('err');
		cb('15.0');
	});
}

function endHook(hook, diff, resarr) {
	var jsonstr = JSON.stringify({
			difficulty : diff,
			txo : resarr
		});
	hook.res.end(hook.params.PeercoinAddress + '(' + jsonstr + ');');
}

function getFindstakeData(adr, callback) {

	var resarr = [],
	str = '',
	fileurl = 'http://ppc.blockr.io/api/v1/address/unspent/' + adr;//hook.params.PeercoinAddress;

	var onChunk = function (chunk) {
		str += chunk;
	};

	var onReqEnd = function () {
		var parsed = JSON.parse(str);

		if (parsed && parsed.status && parsed.status == "success" &&
			parsed.data && parsed.data.unspent && parsed.data.unspent.length > 0) {

			var ctotal = parsed.data.unspent.length,
			count = 0;

			parsed.data.unspent.forEach(function (obj) {
				checkTxPresent(obj.tx, obj.n, function (s) {
					count++;
					if (s && s.length > 0)
						resarr.push(s);

					if (count == ctotal) {
						callback(resarr);
					}
				});
			});

		} else {
			callback(resarr);
		}
	};

	var onReqErr = function (e) {
		callback(resarr);
	};

	http.get(fileurl, function (res) {
		res.on('data', onChunk);
		res.on('end', onReqEnd);
	}).on('error', onReqErr);
};

module['exports'] = function hookGetFindstakeData(hook) {
	if (hook.params.PeercoinAddress) {
		getStats(function (difficulty) {
			getFindstakeData(hook.params.PeercoinAddress, function (resarr) {
				endHook(hook, difficulty, resarr);
			});
		});
	} else
		endHook(hook, "15.0", []);
};

module['exports'].schema = {
	"PeercoinAddress" : {
		"type" : "string",
		"default" : ""
	}
};