131 lines
2.8 KiB
JavaScript
131 lines
2.8 KiB
JavaScript
'use strict';
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/**
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* Module dependencies.
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*/
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var mongoose = require('mongoose'),
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Block = mongoose.model('Block'),
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common = require('./common'),
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async = require('async');
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/**
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* Find block by hash ...
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*/
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exports.block = function(req, res, next, hash) {
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Block.fromHashWithInfo(hash, function(err, block) {
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if (err || ! block)
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return common.handleErrors(err, res, next);
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else {
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req.block = block.info;
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return next();
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}
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});
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};
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/**
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* Show block
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*/
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exports.show = function(req, res) {
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if (req.block) {
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res.jsonp(req.block);
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}
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};
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/**
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* Show block by Height
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*/
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exports.blockindex = function(req, res, next, height) {
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Block.fromHeight(height, function(err, hash) {
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if (err) {
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console.log(err);
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res.status(400).send('Bad Request'); // TODO
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}
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else {
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res.jsonp(hash);
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}
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});
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};
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var getBlock = function(blockhash, cb) {
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Block.fromHashWithInfo(blockhash, function(err, block) {
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if (err) {
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console.log(err);
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return cb(err);
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}
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// TODO
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if (!block.info) {
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console.log('[blocks.js.60]: could not get %s from RPC. Orphan? Error?', blockhash); //TODO
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// Probably orphan
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block.info = {
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hash: blockhash,
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isOrphan: 1,
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};
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}
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return cb(err, block.info);
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});
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};
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/**
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* List of blocks by date
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*/
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exports.list = function(req, res) {
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var limit = req.query.limit || 0;
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//helper to convert timestamps to yyyy-mm-dd format
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var formatTimestamp = function (date) {
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var yyyy = date.getUTCFullYear().toString();
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var mm = (date.getUTCMonth() + 1).toString(); // getMonth() is zero-based
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var dd = date.getUTCDate().toString();
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return yyyy + '-' + (mm[1] ? mm : '0' + mm[0]) + '-' + (dd[1] ? dd : '0' + dd[0]); //padding
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};
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var dateStr;
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if (req.query.blockDate) {
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dateStr = req.query.blockDate;
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} else {
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dateStr = formatTimestamp(new Date());
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}
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var gte = Math.round((new Date(dateStr)).getTime() / 1000);
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//pagination
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var lte = gte + 86400;
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var prev = formatTimestamp(new Date((gte - 86400) * 1000));
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var next = formatTimestamp(new Date(lte * 1000));
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Block
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.find({
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time: {
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'$gte': gte,
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'$lte': lte
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}
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})
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.limit(limit)
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.sort('-time')
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.exec(function(err, blocks) {
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if (err) {
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res.status(500).send(err);
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} else {
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var blockshashList = [];
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for(var i=0;i<blocks.length;i++) {
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blockshashList.push(blocks[i].hash);
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}
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async.mapSeries(blockshashList, getBlock, function(err, allblocks) {
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res.jsonp({
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blocks: allblocks,
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length: allblocks.length,
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pagination: {
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next: next,
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prev: prev,
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current: dateStr
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}
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});
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});
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}
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});
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};
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