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<html>
<head><title>loading...</title></head>
<body><div id="_mo" style="font-family: monospace; font-size: 18px; padding: 20px; white-space: pre;"></div>
<script>(function(global) {
'use strict';
var RootMultihash = "QmQ8xQybT8magdxC6Krjk2yezAn7GVTcYQKFZZ8VtCBVJ9";
var ErrorMultihash = "QmeSCtz2QWZQn3yhHKC5921Q5Aurv715thMjJzrpb6SEDq";
// Configure this to change the loading animation
var Spinner = "\u25CF\u2219";
var allowRawMultihash = true;
// Configure this to change Meeseeks App behavious
// - Return an ENS name (cannot be a tld); or
// - Return a multihash
function mapHostname(hostname) {
function getPrefix(suffix) {
var offset = hostname.length - suffix.length;
if (hostname.substring(offset) === suffix) {
return hostname.substring(0, offset);
}
return null;
}
// Adds the ENS suffix (.eth) or converts invalid ENS names to IPFS multihash
function addSuffix(prefix) {
// IPFS raw multihash (our flavour to prevent collisions with ENS names)
if (allowRawMultihash && prefix.substring(0, 3) === '0xg') {
return base58.encode(concat([[ 0x12, 0x20 ], base32.decode(prefix.substring(3)) ]));
}
return prefix + ".eth";
}
// *.meeseeks.app
var prefix = getPrefix(".meeseeks.app");
if (prefix) { return addSuffix(prefix); }
// *.meeseeks-local (for testing and debugging)
prefix = getPrefix(".meeseeks-local");
if (prefix) { return addSuffix(prefix); }
// Root
if (hostname === "meeseeks.app" || hostname === "meeseeks-local") {
return RootMultihash;
}
// Error
return ErrorMultihash;
}
function now() {
return (new Date()).getTime();
}
var bumps = '';
var t0 = now();
function drawBumps() {
document.getElementById('_mo').textContent = "loading secure content... (meeseeks.app bootstrap)\n" +
bumps + Spinner[parseInt(String((now() - t0) / 500)) % Spinner.length];
}
var bumpTimer = setInterval(function() {
drawBumps();
}, 250);
function bump() {
bumps += '\u25CF';
if ((bumps.length % 40) === 0) { bumps += '\n'; }
drawBumps();
}
function concat(array) {
var size = 0;
array.forEach(function(block) { size += block.length; });
var result = new Uint8Array(size);
var offset = 0;
array.forEach(function(block) {
result.set(block, offset);
offset += block.length;
});
return result
}
function fill(array, length, value, left) {
while (array.length < length) {
array[left ? "unshift": "push"](value);
}
return array;
}
/**
* var keccak256 = require('js-sha3');
*
* This implementation is heavily based on js-sha3.
* See: https://www.npmjs.com/package/js-sha3
*
* Copyright 2015-2016 Chen, Yi-Cyuan
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
var keccak256 = (function() {
var roundConstantInfo = "10J0NP`PO0Q0iPEP>0<0e0V0o0?PMPCPBP8PF0VPiPHPQ0dP";
function getRoundConstant(index) {
var rc = roundConstantInfo.charCodeAt(index) - 48;
var result = 0;
for (var i = 0; i < 7; i++) {
if (rc & (1 << i)) {
result += Math.pow(2, (1 << i) - 1);
}
}
return result;
}
var RC = [];
for (var i = 0; i < 48; i++) {
RC.push(getRoundConstant(i));
}
var KECCAK_PADDING = [1, 256, 1<<16, 1<<24];
var SHIFT = [0, 8, 16, 24];
function Keccak(bits, padding, outputBits) {
this.blocks = [];
this.s = [];
this.padding = padding;
this.outputBits = outputBits;
this.reset = true;
this.block = 0;
this.start = 0;
this.blockCount = (1600 - (bits << 1)) >> 5;
this.byteCount = this.blockCount << 2;
this.outputBlocks = outputBits >> 5;
this.extraBytes = (outputBits & 31) >> 3;
for (var i = 0; i < 50; ++i) {
this.s[i] = 0;
}
}
Keccak.prototype.update = function (message) {
if (message.constructor !== Uint8Array) {
throw new Error('bad message');
}
var length = message.length, blocks = this.blocks, byteCount = this.byteCount,
blockCount = this.blockCount, index = 0, s = this.s, i, code;
while (index < length) {
if (this.reset) {
this.reset = false;
blocks[0] = this.block;
for (i = 1; i < blockCount + 1; ++i) {
blocks[i] = 0;
}
}
for (i = this.start; index < length && i < byteCount; ++index) {
blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
}
this.lastByteIndex = i;
if (i >= byteCount) {
this.start = i - byteCount;
this.block = blocks[blockCount];
for (i = 0; i < blockCount; ++i) {
s[i] ^= blocks[i];
}
f(s);
this.reset = true;
} else {
this.start = i;
}
}
return this;
};
Keccak.prototype.finalize = function () {
var blocks = this.blocks, i = this.lastByteIndex, blockCount = this.blockCount, s = this.s;
blocks[i >> 2] |= this.padding[i & 3];
if (this.lastByteIndex === this.byteCount) {
blocks[0] = blocks[blockCount];
for (i = 1; i < blockCount + 1; ++i) {
blocks[i] = 0;
}
}
blocks[blockCount - 1] |= 0x80000000;
for (i = 0; i < blockCount; ++i) {
s[i] ^= blocks[i];
}
f(s);
};
Keccak.prototype.digest = Keccak.prototype.array = function () {
this.finalize();
var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
extraBytes = this.extraBytes, i = 0, j = 0;
var array = [], offset, block;
while (j < outputBlocks) {
for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
offset = j << 2;
block = s[i];
array[offset] = block & 0xFF;
array[offset + 1] = (block >> 8) & 0xFF;
array[offset + 2] = (block >> 16) & 0xFF;
array[offset + 3] = (block >> 24) & 0xFF;
}
if (j % blockCount === 0) {
f(s);
}
}
if (extraBytes) {
offset = j << 2;
block = s[i];
if (extraBytes > 0) {
array[offset] = block & 0xFF;
}
if (extraBytes > 1) {
array[offset + 1] = (block >> 8) & 0xFF;
}
if (extraBytes > 2) {
array[offset + 2] = (block >> 16) & 0xFF;
}
}
return array;
};
var f = function (s) {
for (var n = 0; n < 48; n += 2) {
var c = [];
for (var i = 0; i < 10; i++) {
c[i] = 0;
for (var j = i; j < 50; j += 10) { c[i] ^= s[j]; }
}
for (var i = 0; i < 10; i++) {
var v = c[(8 + i) % 10] ^ ((c[(2 + i) % 10] << 1) | (c[(2 + ((i % 2) ? (i - 1): (i + 1))) % 10] >>> 31));
for (var j = i; j < 50; j += 10) {
s[j] ^= v;
}
}
var bs = "34c31430c35464b61560b65591594b95590bc0ec52c4ec1219c1c41dc1844944cc4d448c50355d54351d84d81380d853b5db03b1db430810df0c109f3863da3c639a6996c76d96879889d89c8998a12a4ea52a0e21b24525b2052c429c2842dc58a5d65ca59688f8d18cf891bd8b88b98bc815e10211e1424574094174497477197077597c97977897d7a82adeac2a9e";
var gb = function(i, j) {
return (parseInt(bs.substring(i * 6, i * 6 + 6), 16) >> (j * 6)) & 63;
}
var b = [ s[0], s[1] ]
for (var i = 0; i < 48; i++) {
b.push((s[gb(i, 3)] << gb(i, 2)) | (s[gb(i, 1)] >>> gb(i, 0)));
}
for (var i = 0; i < 50; i++) {
var j = i - (i % 10);
s[i] = b[i] ^ (~b[j + ((i + 2) % 10)] & b[j + ((i + 4) % 10)]);
}
s[0] ^= RC[n];
s[1] ^= RC[n + 1];
}
};
return function (message) {
return new Keccak(256, KECCAK_PADDING, 256).update(message).digest();
};
})();
/***** END OF require('js-sha3'); */
/**
* var sha256 = require('hash.js').sha256;
*
* This implementation is heavily based on hash.js.
*
* This software is licensed under the MIT License.
*
* Copyright Fedor Indutny, 2014.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
var sha256 = (function() {
function isPrime(value) {
if (value === 2) { return false; }
for (var i = 3; i < value; i += 2) {
if ((value % i) === 0) { return false; }
}
return true;
}
function getPrime(index) {
if (index <= 1) { return 2 + index; }
index -= 2;
for (var i = 6; i <= 312; i += 6) {
if (isPrime(i - 1)) {
if (index === 0) { return i - 1; }
index--;
}
if (isPrime(i + 1)) {
if (index === 0) { return i + 1; }
index--;
}
}
return 0;
}
function getConstant(primeIndex, cubeRoot) {
var v = Math.pow(getPrime(primeIndex), cubeRoot ? (1.0 / 3.0): 0.5);
v -= parseInt(String(v));
v *= 0x100000000;
return v >>> 0;
}
function join32(msg, start, end) {
var len = end - start;
var res = new Array(len / 4);
for (var i = 0, k = start; i < res.length; i++, k += 4) {
var w =(msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
res[i] = w >>> 0;
}
return res;
}
function split32(msg) {
var res = new Array(msg.length * 4);
for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
var m = msg[i];
res[k] = m >>> 24;
res[k + 1] = (m >>> 16) & 0xff;
res[k + 2] = (m >>> 8) & 0xff;
res[k + 3] = m & 0xff;
}
return res;
}
function rotr32(w, b) {
return (w >>> b) | (w << (32 - b));
}
function sum32() {
var o = 0;
for (var i = 0; i < arguments.length; i++) { o += arguments[i]; }
return o >>> 0;
}
function s0_256(x) {
return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
}
function s1_256(x) {
return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
}
function g0_256(x) {
return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
}
function g1_256(x) {
return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
}
var K = [];
for (var i = 0; i < 64; i++) {
K.push(getConstant(i, true));
}
function SHA256() {
this.pending = null;
this.pendingTotal = 0;
this.blockSize = 512;
this.padLength = 64 / 8;
this._delta8 = this.blockSize / 8;
this._delta32 = this.blockSize / 32;
this.h = [ ];
for (var i = 0; i < 8; i++) { this.h.push(getConstant(i, false)); }
this.k = K
this.W = new Array(64);
}
SHA256.prototype.update = function update(msg, enc) {
if (!this.pending)
this.pending = msg;
else
this.pending = concat([ this.pending, msg ]);
this.pendingTotal += msg.length;
// Enough data, try updating
if (this.pending.length >= this._delta8) {
msg = this.pending;
// Process pending data in blocks
var r = msg.length % this._delta8;
this.pending = msg.slice(msg.length - r, msg.length);
if (this.pending.length === 0)
this.pending = null;
msg = join32(msg, 0, msg.length - r);
for (var i = 0; i < msg.length; i += this._delta32)
this._update(msg, i, i + this._delta32);
}
return this;
};
SHA256.prototype.digest = function digest() {
this.update(this._pad());
return split32(this.h);
};
SHA256.prototype._pad = function pad() {
var len = this.pendingTotal;
var bytes = this._delta8;
var k = bytes - ((len + this.padLength) % bytes);
var res = new Array(k + this.padLength);
res[0] = 0x80;
for (var i = 1; i < k; i++) { res[i] = 0; }
// Append length
len <<= 3;
for (var t = 8; t < this.padLength; t++)
res[i++] = 0;
res[i++] = 0;
res[i++] = 0;
res[i++] = 0;
res[i++] = 0;
res[i++] = (len >>> 24) & 0xff;
res[i++] = (len >>> 16) & 0xff;
res[i++] = (len >>> 8) & 0xff;
res[i++] = len & 0xff;
return res;
};
SHA256.prototype._update = function _update(msg, start) {
var W = this.W;
for (var i = 0; i < 16; i++) { W[i] = msg[start + i]; }
for (; i < W.length; i++) {
W[i] = sum32(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
}
var a = this.h[0];
var b = this.h[1];
var c = this.h[2];
var d = this.h[3];
var e = this.h[4];
var f = this.h[5];
var g = this.h[6];
var h = this.h[7];
for (i = 0; i < W.length; i++) {
var T1 = sum32(h, s1_256(e), (e & f) ^ ((~e) & g), this.k[i], W[i]);
var T2 = sum32(s0_256(a), (a & b) ^ (a & c) ^ (b & c));
h = g;
g = f;
f = e;
e = sum32(d, T1);
d = c;
c = b;
b = a;
a = sum32(T1, T2);
}
this.h[0] = sum32(this.h[0], a);
this.h[1] = sum32(this.h[1], b);
this.h[2] = sum32(this.h[2], c);
this.h[3] = sum32(this.h[3], d);
this.h[4] = sum32(this.h[4], e);
this.h[5] = sum32(this.h[5], f);
this.h[6] = sum32(this.h[6], g);
this.h[7] = sum32(this.h[7], h);
};
return function(message) {
return (new SHA256()).update(message).digest('hex');
}
})();
/***** END OF require('hash.js'); */
/**
* var basex = require('base-x');
*
* This implementation is heavily based on base-x.
*
* Contributors:
*
* base-x encoding
* Forked from https://github.com/cryptocoinjs/bs58
* Originally written by Mike Hearn for BitcoinJ
* Copyright (c) 2011 Google Inc
* Ported to JavaScript by Stefan Thomas
* Merged Buffer refactorings from base58-native by Stephen Pair
* Copyright (c) 2013 BitPay Inc
*
* The MIT License (MIT)
*
* Copyright base-x contributors (c) 2016
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
var basex = function(ALPHABET) {
var ALPHABET_MAP = {}
var BASE = ALPHABET.length
var LEADER = ALPHABET.charAt(0)
// pre-compute lookup table
for (var i = 0; i < ALPHABET.length; i++) {
ALPHABET_MAP[ALPHABET.charAt(i)] = i;
}
function encode(source) {
if (source.length === 0) return ''
var digits = [0]
for (var i = 0; i < source.length; ++i) {
for (var j = 0, carry = source[i]; j < digits.length; ++j) {
carry += digits[j] << 8
digits[j] = carry % BASE
carry = (carry / BASE) | 0
}
while (carry > 0) {
digits.push(carry % BASE)
carry = (carry / BASE) | 0
}
}
var string = ''
// deal with leading zeros
for (var k = 0; source[k] === 0 && k < source.length - 1; ++k) string += LEADER
// convert digits to a string
for (var q = digits.length - 1; q >= 0; --q) string += ALPHABET[digits[q]]
return string
}
function decodeUnsafe (string) {
if (typeof string !== 'string') throw new TypeError('Expected String')
var bytes = [];
if (string.length === 0) { return new Uint8Array(bytes); }
bytes.push(0);
for (var i = 0; i < string.length; i++) {
var value = ALPHABET_MAP[string[i]]
if (value === undefined) return
for (var j = 0, carry = value; j < bytes.length; ++j) {
carry += bytes[j] * BASE
bytes[j] = carry & 0xff
carry >>= 8
}
while (carry > 0) {
bytes.push(carry & 0xff)
carry >>= 8
}
}
// deal with leading zeros
for (var k = 0; string[k] === LEADER && k < string.length - 1; ++k) {
bytes.push(0)
}
return new Uint8Array(bytes.reverse())
}
function decode (string) {
var buffer = decodeUnsafe(string)
if (buffer) return buffer
throw new Error('Non-base' + BASE + ' character')
}
return {
encode: encode,
decode: decode
}
}
var base32 = basex("abcdefghijklmnopqrstuvwxyz234567");
var base58 = basex("123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz");
/***** END OF require('base-x'); */
/**
* This implementation is heavily based on utf.js.
*
* See: http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt
*
* Note: We do not care about overlong or otherwise invalid sequences; that's
* the browsers problem and we don't want to make any assumptions.
*
* utf.js
*
* UTF-8 <=> UTF-16 convertion
*
* Copyright (C) 1999 Masanao Izumo <[email protected]>
* Version: 1.0
* LastModified: Dec 25 1999
* This library is free. You can redistribute it and/or modify it.
*/
function toUtf8String(array) {
var out, i, len, c;
var char2, char3;
out = "";
len = array.length;
i = 0;
while (i < len) {
c = array[i++];
switch (c >> 4)
{
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
// 0xxxxxxx
out += String.fromCharCode(c);
break;
case 12: case 13:
// 110x xxxx 10xx xxxx
char2 = array[i++];
out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
break;
case 14:
// 1110 xxxx 10xx xxxx 10xx xxxx
char2 = array[i++];
char3 = array[i++];
out += String.fromCharCode(((c & 0x0F) << 12) |
((char2 & 0x3F) << 6) |
((char3 & 0x3F) << 0));
break;
}
}
return out;
}
/***** END OF utf.js */
/**
* Meeseeks Bootstrap
*
* Copyright 2018 Richard Moore <[email protected]>
* Yuet Loo Wong <[email protected]>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
var TYPE_PBNODE = 1;
var TYPE_LINK = 2;
var TYPE_UNIXFS = 3;
function parseProtoBuf(data, type) {
var result = {};
var offset = 0;
var names = null;
var repeated = {};
switch(type) {
case TYPE_PBNODE: names = [ 'data', 'links' ]; repeated = { links: true }; break;
case TYPE_LINK: names = [ 'hash', 'n', 'ts' ]; break;
case TYPE_UNIXFS: names = [ 'type', 'data', 'fs', 'bs', 'ht', 'fo' ]; break;
default: throw new Error('bad type');
}
var readVarInt = function() {
var v = [ data[offset] & 0x7f ];
while (data[offset++] & 0x80) {
if (offset === data.length) { throw new Error('buffer overrun'); }
v.unshift(data[offset] & 0x7f);
}
var result = 0;
v.forEach(function(v) { result = result * 128 + v; });
return result;
}
while (offset < data.length) {
var v = readVarInt();
var tag = names[(v >>> 3) - 1];
if (!tag) { throw new Error('unknown field - ' + v); }
switch (v & 7) {
// varint
case 0:
result[tag] = readVarInt();
break;
// bytes
case 2: {
var length = readVarInt();
if (offset + length > data.length) { throw new Error("buffer overrun"); }
if (repeated[tag]) {
if (result[tag]) {
result[tag].push(data.slice(offset, offset + length));
} else {
result[tag] = [ data.slice(offset, offset + length) ];
}
} else {
result[tag] = data.slice(offset, offset + length);
}
offset += length;
break;
}
default:
console.log('unsupported type - ' + tag);
throw new Error('unsupported type - ' + tag);
}
}
return result;
}
function parseData(data, type) {
var result = parseProtoBuf(data, type);
switch (type) {
case TYPE_PBNODE: {
if (result.links) {
var promises = [];
result.links.forEach(function(hash) {
promises.push(parseData(hash, TYPE_LINK));
});
return Promise.all(promises).then(function(blocks) {
return concat(blocks);
});
}
if (result.data && result.data.constructor === Uint8Array) {
return Promise.resolve(parseData(result.data, TYPE_UNIXFS));
}
}
case TYPE_LINK:
if (result.hash.length !== 34) { throw new Error('unsupported hash', result.hash); }
return fetchIpfs(base58.encode(result.hash));
case TYPE_UNIXFS:
if (result.type !== 2) { throw new Error('unsupported type'); }
if (!result.data) { return new Uint8Array([]); }
if (result.data.constructor !== Uint8Array) { throw new Error('bad Data'); }
return Promise.resolve(result.data);
}
throw new Error('unsupported type');
}
function fetchIpfs(multihash) {
var url = "https://ipfs.infura.io:5001/api/v0/block/get?arg=" + multihash;
//var url = "https://ipfs.io/api/v0/block/get?arg=" + multihash;
console.log("Fetching: " + url);
return fetch(url).then(function(block) {
bump();
return block.arrayBuffer().then(function(data) {
data = new Uint8Array(data);
var hash = hexlify(sha256(data));
if (hash !== hexlify(base58.decode(multihash).slice(2))) {
throw new Error('hash mismatch');
}
console.log("Verified: " + multihash + " => 0x" + hash);
return parseData(data, TYPE_PBNODE);
});
});
}
var readyPromise = new Promise(function(resolve) {
window.addEventListener('DOMContentLoaded', resolve, false);
});
function loadHtml(htmlCode) {
return readyPromise.then(function() {
document.open("text/html", "replace");
document.write(htmlCode);
document.close();
if (window.app) { setTimeout(function() { window.app.emit('ready'); }, 0); }
});
};
var Zeros = new Uint8Array(fill([], 32, 0));;
var Partition = new RegExp("^((.*)\\.)?([^.]+)$");
var UseSTD3ASCIIRules = new RegExp("^[a-z0-9.-]*$");
function arrayify(value) {
var result = [];
for (var i = 0; i < value.length; i += 2) {
result.push(parseInt(value.substr(i, 2), 16));
}
return result;
}
var HexCharacters = '0123456789abcdef';
function hexlify(value) {
var result = [];
for (var i = 0; i < value.length; i++) {
var v = value[i];
result += HexCharacters[(v & 0xf0) >> 4] + HexCharacters[v & 0x0f];
}
return result;
}
function toBytes(string) {
var result = [];
for (var i = 0; i < string.length; i++) {
result.push(string.charCodeAt(i));
}
return new Uint8Array(result);
}
function namehash(name) {
name = name.toLowerCase();
// Supporting the full UTF-8 space requires additional (and large)
// libraries, so for now we simply do not support them.
// It should be fairly easy in the future to support systems with
// String.normalize, but that is future work.
if (!name.match(UseSTD3ASCIIRules) || name.substring(0, 2) === '0x') {
throw new Error('contains invalid UseSTD3ASCIIRules characters');
}
var result = Zeros;
while (name.length) {
var partition = name.match(Partition);
var label = toBytes(partition[3]);
result = keccak256(concat([result, keccak256(label)]));
name = partition[2] || '';
}
return result;
}
function callEtherscan(address, data) {
var url = "https://api.etherscan.io/api?module=proxy&action=eth_call&to=" + address + "&data=" + data + "&tag=latest&apikey=9D13ZE7XSBTJ94N9BNJ2MA33VMAY2YPIRB";
return fetch(url).then(function(body) {
return body.text().then(function(body) {
var result = JSON.parse(body);
return result.result;
});
});
}
function getMeeseeks(name) {
var hash = hexlify(namehash(name));
// ENS.resolver(hash)
return Promise.all([
callEtherscan("0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e", "0x0178b8bf" + hash)
]).then(function(results) {
bump();
// @TODO: Check all results match
var result = results[0];
if (result.match(/^0x0{64}$/) || !result.match(/^0x0{24}/)) {
throw new Error('no ENS entry found');
}
// Get the resolver address from the response
var resolver = '0x' + result.substring(26);
// getContenthash(bytes32)
// See: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1577.md
var data = '0xbc1c58d1' + hash;
return Promise.all([
callEtherscan(resolver, data),
// content(bytes32 nodehash) - How do I fetch bzz content?
//callEtherscan(resolver, "0x2dff6941" + hash),
// multihash(bytes32 nodehash) - EIP 1062
//callEtherscan(resolver, "0xe89401a1" + hash),
]).then(function(results) {
bump();
var match = results[0].match(/^0x0{62}200{62}([0-9a-f]{2})([0-9a-f]*)$/i);
if (!match || (parseInt(match[1], 16) * 2) > match[2].length) { return null; }
var result = arrayify(match[2].substring(0, 2 * parseInt(match[1], 16)));
if (result[0] === 0x01 && result.length === 35) {
// Legacy - from a typo in the early EIP-1577
// e.g. 0x011220e08ea2458249e8f26aee72b95b39c33849a992a3eff40bd06d26c12197adef16
return base58.encode(result.slice(1));
} else if (hexlify(result.slice(0, 4)) === "e3010170" && result.length === 38) {
// e.g. 0xe3010170122029f2d17be6139079dc48696d1f582a8530eb9805b561eda517e22a892c7e3f1f
return base58.encode(result.slice(4));
}
throw new error('unsupported origin');
});
});
}
bump();
console.log("Look at me! I'm Meeseeks.app!");
(function() {
var hostname = location.host.split(':')[0];
console.log("Hostname: " + hostname);
var name = mapHostname(hostname);
if (name.indexOf(".") === -1) {
console.log("Found IPFS multihash: " + name);
return Promise.resolve(name);
} else {
console.log("Found ENS name: " + name);
return getMeeseeks(name).then(function(multihash) {
console.log('Found ENS.contenthash: ' + multihash);
return multihash;
});
}
})().then(function(multihash) {
return fetchIpfs(multihash, TYPE_PBNODE).then(function(data) {
console.log("Existance is pain! Good-Bye!");
setTimeout(function() {
clearInterval(bumpTimer);
loadHtml(toUtf8String(data));
}, 0);
});
}).catch(function(error) {
console.log("Error: " + error.message);
return fetchIpfs(ErrorMultihash, TYPE_PBNODE).then(function(data) {
setTimeout(function() {
clearInterval(bumpTimer);
loadHtml(toUtf8String(data));
}, 0);