Merge branch '5-notes-on-nano' into 'master'

Resolve "Notes on Nano"

Closes #5

See merge request Anson-Projects/projects!1

.JuliaFormatter.toml

@@ -0,0 +1,15 @@
+style = "blue"
+
+margin = 100
+always_for_in = true
+whitespace_ops_in_indices = true
+remove_extra_newlines = true
+import_to_using = true
+pipe_to_function_call = false
+short_to_long_function_def = false
+always_use_return = false
+format_docstrings = true
+conditional_to_if = true
+trailing_comma = true
+join_lines_based_on_source = false
+format_markdown = true

_posts/2021-11-27-notes-on-nano/.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+    "cSpell.words": [
+        "cryptonomist"
+    ]
+}

_posts/2021-11-27-notes-on-nano/Project.toml

@@ -0,0 +1,8 @@
+[deps]
+CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
+Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
+DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
+JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
+Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
+StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
+StringViews = "354b36f9-a18e-4713-926e-db85100087ba"

_posts/2021-11-27-notes-on-nano/citations.bib

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+
+@misc{BTC_ECI,
+  title = {Bitcoin {{Energy Consumption}}},
+  annotation = {Abstract Note: The Bitcoin Energy Consumption Index provides the latest estimate of the total energy consumption of the Bitcoin network.}
+}
+
+@misc{CanadianVelociraptor_2018,
+  title = {The Entire {{Nano}} Network Is so Efficient That, Operating at 7000tps, It Can Be Powered by a Single Wind Turbine.},
+  author = {{CanadianVelociraptor}},
+  year = {2018},
+  month = feb
+}
+
+@misc{CoinbaseHowSend,
+  title = {Coinbase - {{How}} to Send Crypto},
+  abstract = {Learn how to send crypto to another wallet \textemdash{} to a friend, family member, or store.},
+  howpublished = {https://www.coinbase.com/learn/tips-and-tutorials/how-to-send-crypto},
+  langid = {english},
+  file = {C\:\\Users\\anson\\Zotero\\storage\\UM9W87NV\\how-to-send-crypto.html}
+}
+
+@misc{coingecko,
+  title = {{{CoinGecko}}},
+  abstract = {CoinGecko provides a fundamental analysis of the crypto market. In addition to tracking price, volume and market capitalisation, CoinGecko tracks community growth, open-source code development, major events and on-chain metrics.}
+}
+
+@misc{cryptonomist_xrp,
+  title = {Who {{Owns}} the {{Most XRP}}},
+  year = {2020},
+  month = jan,
+  annotation = {Abstract Note: This is how Ripple ownership is distributed}
+}
+
+@misc{harperNanoNetworkFlooded2021,
+  title = {Nano's {{Network Flooded With Spam}}, {{Nodes Out}} of {{Sync}}},
+  author = {Harper, Colin},
+  year = {2021},
+  month = mar,
+  abstract = {Developers encouraged node operators to throttle their bandwidth in response. They had to make it worse before it could get better.},
+  chapter = {Tech},
+  howpublished = {https://www.coindesk.com/tech/2021/03/11/nanos-network-flooded-with-spam-nodes-out-of-sync/},
+  langid = {english},
+  file = {C\:\\Users\\anson\\Zotero\\storage\\JFG5PHT8\\nanos-network-flooded-with-spam-nodes-out-of-sync.html}
+}
+
+@misc{Jain_2021,
+  title = {Ripple `Guilty of Fraud,' but Not Securities Law Violations: {{Messari}}'s {{Selkis}}},
+  author = {Jain, Anjali},
+  year = {2021},
+  month = nov,
+  annotation = {Abstract Note: Ripple Labs has been fighting the United States Securities and Exchange Commission (SEC) in an ugly court battle for almost a year now. And yet, still, there is no respite in sight. When the blockchain firm was first accused by the watchdog of violating securities laws, many in the crypto-community came out to support Ripple. [\ldots ]}
+}
+
+@article{kraken_deposit,
+  title = {Kraken},
+  year = {2021},
+  month = oct,
+  publisher = {{Kraken}},
+  annotation = {Abstract Note: For security reasons, we require cryptocurrency deposits to receive a number of confirmations on its blockchain before the funds can be credited to your account.}
+}
+
+@article{LeMahieu,
+  title = {Nano: {{A}} Feeless Distributed Cryptocurrency Network},
+  author = {LeMahieu, Colin},
+  publisher = {{nano.org}},
+  annotation = {Abstract Note: Recently, high demand and limited scalability have increased the average transaction times and fees in popular cryptocurrencies, yielding an unsatisfactory experience. Here we introduce Nano, a cryptocurrency with a novel block-lattice architecture where each account has its own blockchain, delivering near instantaneous transaction speed and unlimited scalability. Each user has their own blockchain, allowing them to update it asynchronously to the rest of the network, resulting in fast transactions with minimal overhead. Transactions keep track of account balances rather than transaction amounts, allowing aggressive database pruning without compromising security. To date, the Nano network has processed 4.2 million transactions with an unpruned ledger size of only 1.7GB. Nano's feeless, split-second transactions make it the premier cryptocurrency for consumer transactions.}
+}
+
+@misc{nano,
+  title = {Nano Is a Digital Currency for Everyone, without Fees.},
+  abstract = {Nano is a new currency that happens to be digital. Just like the cash in your pocket, choosing to transact with nano ensures that 100\% of the value is transferred directly to the recipient. Created to facilitate both local and international payments, choosing to use nano makes moving money across borders effortless and feeless.}
+}
+
+@misc{NLReps,
+  title = {{{NanoLooker}} Representatives},
+  abstract = {Explore the nano crypto currency blockchain.}
+}
+
+@misc{ripple,
+  title = {Ripple | Global Instant Payments},
+  abstract = {Efficiently Move Money to all Corners of the world}
+}
+
+@article{Shiba,
+  title = {Shiba Inu Ecosystem},
+  publisher = {{Shiba Inu}}
+}
+
+@misc{Srinivasan_2017,
+  title = {Quantifying Decentralization},
+  author = {Srinivasan, Balaji S.},
+  year = {2017},
+  month = oct,
+  publisher = {{Earn.com}},
+  annotation = {Abstract Note: We must be able to measure blockchain decentralization before we can improve it.}
+}
+
+

_posts/2021-11-27-notes-on-nano/notes-on-nano.Rmd

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+---
+title: "Notes on Nano"
+description: |
+  Nano (Ӿ) is a fast, feeless and severely underrated currency.
+author:
+  - name: Anson Biggs
+    url: https://ansonbiggs.com
+date: 12-08-2021
+output:
+  distill::distill_article:
+    self_contained: false
+categories:
+  - Cryptocurrency
+  - Notes
+bibliography: citations.bib
+creative_commons: CC BY
+---
+
+# The Current State of Crypto
+
+In 2021 news about cryptocurrency has been dominated by _meme coins_. It is without a doubt that the crypto 2021 bull runs of 2021 have been thanks to the hype around coins with zero utility besides the ability to rapidly shoot up in value due to carefully constructed tokenomics^[@Shiba]. Unfortunately, the hype surrounding coins with actual utility has been disappointingly low in 2021.
+
+The current narrative of the most influential coins is that bitcoin will change financial infrastructure and keep governments from taking our freedom. Ethereum will be the backbone for everything from the internet, to art, to the mortgage on your house. The rest of the top 10 (and most of the top 100) coins by market cap are either smart-contract platforms with little community gunning for Ethereum's spot or meme coins promising valuations that challenge the wealth of the economy of the world.
+
+# Return of the Utility
+
+The coin I want to talk about is Nano (XNO). As of writing, it is ranked #175 by market capitalization. Nano does one thing and executes it perfectly: being a currency. The current market capitalization is far lower than other coins with similar amounts of development and community. Ethereum has a vibrant ecosystem where usage causes more usage. [The figure here illustrates this nicely.](https://twitter.com/domothy/status/1462988092848156677/photo/1) The only way to increase demand for Nano and increase the price is to get it used for everyday transactions which would make the limited supply more scarce. Currencies have so much more to offer the world than just stores of value that can shoot up in price, and I think Nano is the perfect example of that. A coin of pure utility.
+
+![Data from [@kraken_deposit] and [@coingecko]](caps.svg)
+
+Transactions must happen in seconds for a currency to be usable. Above are all the coins listed on Kraken, along with their confirmation time. Confirmation time is the amount of time Kraken recommends waiting before a transaction can be trusted not to be reversed on the blockchain. Kraken's times are conservative, but I believe them to be a trusted authority on the topic. It's important to note that most of the coins on this list are not designed with buying coffee in mind, but I think the comparison is still relevant since it is commonly believed that the only thing holding Bitcoin and its derivatives back from being used everywhere is hitting a critical mass of adoption among retail. Bitcoin is making progress, but Bitcoin today is far from being used as a currency.
+
+![Data from [@coingecko]](fast.svg)
+
+Above are all of the coins capable of settling in less than 1 second, which is about on par with a credit card. I also believe that confirming in less than a second is a benchmark that must be hit to be useful for everyday transactions. Solana stands out the most since it is the only smart contract platform on the list and has the highest market cap. Solana has a ton of potential, but I don't believe that a coin with a smart-contract platform can compete long-term with a coin specifically designed to be a currency. The DeFi and Parachain coins are more governance tokens than actual cryptocurrencies, so they aren't designed with the scale required for use as a currency. That leaves Ripple and Nano, which have wildly different market caps. Ripple is quite controversial since it is centralized to the point that I would argue it's closer to Visa than Bitcoin^[@Jain_2021]. I believe a fraudulent organization runs Ripple, so I don't want to justify it by talking about it too much here. However, it would be biased not to compare the performance and tokenomics since they are the only two serious projects with the goal to become a currency.
+
+:::l-body-outset
+| | Nano^[@nano] | Ripple^[@ripple] |
+| ----------------------------------------------- | ------------------------------------------------------------ | ----------------------------------------------------------------------------------------- |
+| Ticker | XNO | XRP |
+| Symbol | Ӿ | N/A |
+| Market Cap^[@coingecko] | .650B | 46B |
+| Transaction Speed | <1 second | 3+ seconds |
+| Transaction Fee | 0 | 0.00001 XRP^[Subject to change at any moment.] |
+| Minimum Nakamoto Coefficient^[@Srinivasan_2017] | 10^[@NLReps] | 1 |
+| Supply | All coins minted, no mechanism to remove coins from network. | All coins minted, transactions reduce overall supply. |
+| Foundation Ownership | Ӿ7 million Developer Fund | Ripple foundation and the founder own well over half of all the coins.^[cryptonomist_xrp] |
+| Initial Distribution | Faucets | Initial Coin Offering |
+:::
+
+# What is Nano
+
+**Nano is fast** because it uses a block-lattice architecture. This means that there is no concept of block times which are the limiting factor for most cryptocurrency's transaction time. Every wallet has a unique blockchain, and each "block" only contains a single transaction. Since the block is only needed when a transaction is made, wallets can pre-mine a block and hold onto the proof of work. Since each wallet manages its blockchain and proof of work, nodes only need to worry about the balance of each wallet. This enables transactions to be instantly propagated to the network, and the nodes that govern the network only keep track of the balance of each wallet.
+
+**Nano is free** to transact because it does not rely on paying miners for proof of work, and it is designed to be efficient so running a node is cheap and does not require support from the network. Bitcoin requires 1900 kWh of power for a single transaction^[@BTC_ECI], whereas Nano is only 0.111 Wh per transaction^[CanadianVelociraptor_2018] which is a difference of about 17 million percent.^[Numbers as of writing. Mining difficulty is variable, and hardware efficiency gets better every day.] There are many arguments that no one will run the nodes required to keep the Nano network healthy without proper incentives. Nano can work around this by keeping the requirements to run a Node very low so that the indirect benefits of running a node far outweigh the costs of the hardware. Companies will likely run nodes since running a node will be cheaper than paying transaction fees for other payment methods. The Nano whitepaper goes into great detail about the types of nodes.
+
+# Why isn't Nano Mainstream
+
+Most cryptocurrencies have features that directly benefit other users or network maintainers from being used. Transaction fees fed back into the coin's ecosystem are a great way to create feedback loops that generate more use for a coin. The incentive structure for Nano is much less direct but arguably much more potent. Established players in the cryptocurrency and payment processor world benefit significantly from having transactions go through them. To single out Coinbase, they have a feature where you can transfer crypto between any other member on the platform instantly and free^[@CoinbaseHowSend]. This proprietary feature could create a walled garden that Nano threatens to dismantle.
+
+It would be unfair to suggest that Nano's problems are from big established players fighting innovation. Nano's most vital features also make it susceptible to spam attacks. Since there is no fee and the network supports dividing 1 Nano into 30 decimal places, attackers can spam the network by sending trace amounts of Nano to random addresses. The ability to send these dust transactions creates a ton of stress on the network and has even ground Nano to a halt in the past^[@harperNanoNetworkFlooded2021]. However, the network did perform better than most had hoped, and the spam attack worked as an excellent verification of Nano's capabilities. Since then, the development team has focused on solutions to ensure that the issue doesn't occur again. It is worth noting that although Nano is feeless, it is not free. So, while sending Nano does not cost any Nano, it does cost computation, so attacks on the network are still costly.
+
+---
+
+I'll close this off by saying that I highly recommend any cryptocurrency enthusiast to please read the [Nano Whitepaper](https://content.nano.org/whitepaper/Nano_Whitepaper_en.pdf) since it is one of the best cryptocurrency whitepapers, and in my opinion, second only to the original [Bitcoin Whitepaper](https://bitcoin.org/en/bitcoin-paper). I hope that this article was insightful, and even though I am a holder of Nano, I hope that the information is unbiased. If you think Nano is worth checking out, the Nano Foundation has an excellent getting started page: https://nano.org/try-nano

_posts/2021-11-27-notes-on-nano/notes-on-nano.jl

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+using CSV
+using DataFrames
+using HTTP
+using StringViews
+using JSON
+using Dates
+
+using Plots
+using StatsPlots
+using Colors
+theme(:ggplot2)
+
+kraken = """
+cryptocurrency	confirmationMinutes
+0x (ZRX)	5
+1inch (1INCH)	5
+Aave (AAVE)	5
+Aavegotchi (GHST)	5
+Algorand (ALGO)	0.75
+Ankr (ANKR)	5
+Aragon (ANT)	5
+Augur (REP)	5
+Augur v2 (REPV2)	5
+Axie Infinity (AXS)	5
+Badger DAO (BADGER)	5
+Balancer (BAL)	5
+Bancor (BNT)	5
+Band Protocol (BAND)	5
+Basic Attention Token (BAT)	5
+Bifrost (BNC)	4
+Bitcoin (BTC)	40
+Cardano (ADA)	10
+Cartesi (CTSI)	5
+Chainlink (LINK)	5
+Chiliz (CHZ)	5
+Compound (COMP)	5
+Cosmos (ATOM)	0
+Covalent (CQT)	5
+Curve (CRV)	5
+Dash (DASH)	5
+Dai (DAI) ERC-20	5
+Decentraland (MANA)	5
+Dogecoin (DOGE)	40
+dYdX (DYDX)	5
+Energy Web Token (EWT)	1.75
+Enjin Coin (ENJ)	5
+Enzyme Finance (MLN)	5
+EOS (EOS)	0
+Ethereum (ETH)	5
+Flow (FLOW)	1
+Gnosis (GNO)	5
+ICON (ICX)	0
+Injective Protocol (INJ)	5
+Karura (KAR)	4
+Kava (KAVA)	0
+Keep Network (KEEP)	5
+Kusama (KSM)	2
+Kyber Network (KNC)	5
+Lisk (LSK)	51
+Litecoin (LTC)	30
+Livepeer (LPT)	5
+Loopring (LRC)	5
+Maker (MKR)	5
+Mina (MINA)	60
+Mirror Protocol (MIR)	5
+Monero (XMR)	30
+Moonriver (MOVR)	4
+Nano (XNO)	0
+Ocean (OCEAN)	5
+OmiseGO (OMG)	5
+Orchid (OXT)	5
+Origin Protocol (OGN)	5
+Oxygen (OXY)	0
+PAX Gold (PAXG)	5
+Perpetual Protocol (PERP)	5
+Phala (PHA)	5
+Polkadot (DOT)	2
+Polygon (MATIC)	5
+Qtum (QTUM)	60
+Rarible (RARI)	5
+Raydium (RAY)	0
+REN Protocol (REN)	5
+Ripple (XRP)	0
+Serum (SRM)	0
+Shiden (SDN)	4
+Siacoin (SC)	60
+Solana (SOL)	0
+Stellar Lumens (XLM)	0
+Storj (STORJ)	5
+Sushi (SUSHI)	5
+Synthetix (SNX)	5
+tBTC (TBTC)	5
+Tether USD (USDT) ERC-20	5
+Tezos (XTZ)	15
+The Graph (GRT)	5
+The Sandbox (SAND)	5
+Tron (TRX)	1
+Uniswap (UNI)	5
+USD Coin (USDC)	5
+Waves (WAVES)	10
+Wrapped Bitcoin (WBTC)	5
+Yearn Finance (YFI)	5
+Zcash (ZEC)	60
+"""
+
+df = CSV.File(IOBuffer(kraken)) |> DataFrame
+
+df.symbol = [split(split(sym, "(")[end], ")")[1] |> lowercase for sym in df.cryptocurrency]
+
+coins = HTTP.get("https://api.coingecko.com/api/v3/coins/list").body |>
+        StringView |> JSON.parse .|> DataFrame |> x -> vcat(x...)
+
+coins = coins[coins.id.!="xeno-token", :]
+
+coins = unique(coins[end:-1:1, :], :symbol);
+
+df = innerjoin(df, coins, on = :symbol)
+
+mktcap_url = "https://api.coingecko.com/api/v3/simple/price?vs_currencies=usd&include_market_cap=true&ids=" * join(df.id, ",")
+
+caps = HTTP.get(mktcap_url).body |>
+       StringView |> JSON.parse
+
+df.mktcap = [caps[id]["usd_market_cap"] ./ 1e9 for id in df.id]
+df = df[df.mktcap.!=0, :]
+
+
+function imp_func(name)
+    important = ["Bitcoin" "Ethereum" "Nano" "Dogecoin" "XRP" "Solana"]
+    if name in important
+        println(name)
+        name |> typeof |> println
+        return name
+    else
+        return ""
+    end
+end
+
+df.important = imp_func.(df.name)
+sort!(df, :confirmationMinutes)
+
+let
+    @df df[df.important.!="", :] scatter(:confirmationMinutes, :mktcap, group = :cryptocurrency, markersize = 6, alpha = 0.9)
+    @df df[df.important.=="", :] scatter!(:confirmationMinutes, :mktcap, alpha = 0.5, label = "Other")
+
+    title!("Market Cap vs. Confirmation Time")
+    xlabel!("Confirmation Time (Minutes)")
+    ylabel!("Market Cap (Billions USD)")
+    # annotate!(12, 435, "Ethereum")
+    # annotate!(45, 1010, "Bitcoin")
+    annotate!(2, 1090, text("Prices as of: $(today())", :left, 8))
+    plot!(legend = :topleft)
+
+    savefig("caps.svg")
+end
+
+fast = df[df.confirmationMinutes.==0, :]
+
+
+cats = [
+    "cosmos" "Parachain"
+    "icon" "Parachain"
+    "kava" "DeFi"
+    "nano" "Currency"
+    "oxygen" "DeFi"
+    "raydium" "DeFi"
+    "serum" "DeFi"
+    "solana" "Smart Contract"
+    "stellar" "Parachain"
+    "ripple" "Currency"
+] |> x -> DataFrame(x, [:id, :category])
+
+fast = innerjoin(cats, fast, on = :id)
+
+let
+    @df fast bar(
+        :id,
+        :mktcap,
+        group = :category,
+        xrotation = 15,
+        legend = :topleft,
+        # yaxis = :log10
+        # fillcolor = [jlc.blue jlc.green jlc.purple jlc.red],
+    )
+
+    title!("Market Caps of Fast Coins")
+    ylabel!("Market Cap (Billions USD)")
+    savefig("fast.svg")
+end

_posts/2021-11-27-notes-on-nano/notes-on-nano_files/header-attrs-2.7/header-attrs.js

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+// Pandoc 2.9 adds attributes on both header and div. We remove the former (to
+// be compatible with the behavior of Pandoc < 2.8).
+document.addEventListener('DOMContentLoaded', function(e) {
+  var hs = document.querySelectorAll("div.section[class*='level'] > :first-child");
+  var i, h, a;
+  for (i = 0; i < hs.length; i++) {
+    h = hs[i];
+    if (!/^h[1-6]$/i.test(h.tagName)) continue;  // it should be a header h1-h6
+    a = h.attributes;
+    while (a.length > 0) h.removeAttribute(a[0].name);
+  }
+});

_posts/2021-11-27-notes-on-nano/notes-on-nano_files/tippy-6.2.7/tippy-light-border.css

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_posts/2021-11-27-notes-on-nano/notes-on-nano_files/tippy-6.2.7/tippy.css

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+.tippy-box[data-animation=fade][data-state=hidden]{opacity:0}[data-tippy-root]{max-width:calc(100vw - 10px)}.tippy-box{position:relative;background-color:#333;color:#fff;border-radius:4px;font-size:14px;line-height:1.4;outline:0;transition-property:transform,visibility,opacity}.tippy-box[data-placement^=top]>.tippy-arrow{bottom:0}.tippy-box[data-placement^=top]>.tippy-arrow:before{bottom:-7px;left:0;border-width:8px 8px 0;border-top-color:initial;transform-origin:center top}.tippy-box[data-placement^=bottom]>.tippy-arrow{top:0}.tippy-box[data-placement^=bottom]>.tippy-arrow:before{top:-7px;left:0;border-width:0 8px 8px;border-bottom-color:initial;transform-origin:center bottom}.tippy-box[data-placement^=left]>.tippy-arrow{right:0}.tippy-box[data-placement^=left]>.tippy-arrow:before{border-width:8px 0 8px 8px;border-left-color:initial;right:-7px;transform-origin:center left}.tippy-box[data-placement^=right]>.tippy-arrow{left:0}.tippy-box[data-placement^=right]>.tippy-arrow:before{left:-7px;border-width:8px 8px 8px 0;border-right-color:initial;transform-origin:center right}.tippy-box[data-inertia][data-state=visible]{transition-timing-function:cubic-bezier(.54,1.5,.38,1.11)}.tippy-arrow{width:16px;height:16px;color:#333}.tippy-arrow:before{content:"";position:absolute;border-color:transparent;border-style:solid}.tippy-content{position:relative;padding:5px 9px;z-index:1}

_posts/2021-11-27-notes-on-nano/notes-on-nano_files/webcomponents-2.0.0/webcomponents.js

@@ -0,0 +1,236 @@
+// webcomponents.js requires Set api which is not available in all browsers
+if (typeof(Set) !== "undefined") {
+/**
+@license @nocompile
+Copyright (c) 2018 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+*/
+(function(){/*
+
+ Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
+ This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ Code distributed by Google as part of the polymer project is also
+ subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+*/
+'use strict';var q,aa="undefined"!=typeof window&&window===this?this:"undefined"!=typeof global&&null!=global?global:this,ba="function"==typeof Object.defineProperties?Object.defineProperty:function(a,b,c){a!=Array.prototype&&a!=Object.prototype&&(a[b]=c.value)};function ca(){ca=function(){};aa.Symbol||(aa.Symbol=da)}var da=function(){var a=0;return function(b){return"jscomp_symbol_"+(b||"")+a++}}();
+function ea(){ca();var a=aa.Symbol.iterator;a||(a=aa.Symbol.iterator=aa.Symbol("iterator"));"function"!=typeof Array.prototype[a]&&ba(Array.prototype,a,{configurable:!0,writable:!0,value:function(){return fa(this)}});ea=function(){}}function fa(a){var b=0;return ha(function(){return b<a.length?{done:!1,value:a[b++]}:{done:!0}})}function ha(a){ea();a={next:a};a[aa.Symbol.iterator]=function(){return this};return a}function ia(a){ea();var b=a[Symbol.iterator];return b?b.call(a):fa(a)}
+function ja(a){for(var b,c=[];!(b=a.next()).done;)c.push(b.value);return c}
+(function(){if(!function(){var a=document.createEvent("Event");a.initEvent("foo",!0,!0);a.preventDefault();return a.defaultPrevented}()){var a=Event.prototype.preventDefault;Event.prototype.preventDefault=function(){this.cancelable&&(a.call(this),Object.defineProperty(this,"defaultPrevented",{get:function(){return!0},configurable:!0}))}}var b=/Trident/.test(navigator.userAgent);if(!window.CustomEvent||b&&"function"!==typeof window.CustomEvent)window.CustomEvent=function(a,b){b=b||{};var c=document.createEvent("CustomEvent");
+c.initCustomEvent(a,!!b.bubbles,!!b.cancelable,b.detail);return c},window.CustomEvent.prototype=window.Event.prototype;if(!window.Event||b&&"function"!==typeof window.Event){var c=window.Event;window.Event=function(a,b){b=b||{};var c=document.createEvent("Event");c.initEvent(a,!!b.bubbles,!!b.cancelable);return c};if(c)for(var d in c)window.Event[d]=c[d];window.Event.prototype=c.prototype}if(!window.MouseEvent||b&&"function"!==typeof window.MouseEvent){b=window.MouseEvent;window.MouseEvent=function(a,
+b){b=b||{};var c=document.createEvent("MouseEvent");c.initMouseEvent(a,!!b.bubbles,!!b.cancelable,b.view||window,b.detail,b.screenX,b.screenY,b.clientX,b.clientY,b.ctrlKey,b.altKey,b.shiftKey,b.metaKey,b.button,b.relatedTarget);return c};if(b)for(d in b)window.MouseEvent[d]=b[d];window.MouseEvent.prototype=b.prototype}Array.from||(Array.from=function(a){return[].slice.call(a)});Object.assign||(Object.assign=function(a,b){for(var c=[].slice.call(arguments,1),d=0,e;d<c.length;d++)if(e=c[d])for(var f=
+a,n=e,r=Object.getOwnPropertyNames(n),G=0;G<r.length;G++)e=r[G],f[e]=n[e];return a})})(window.WebComponents);(function(){function a(){}function b(a,b){if(!a.childNodes.length)return[];switch(a.nodeType){case Node.DOCUMENT_NODE:return G.call(a,b);case Node.DOCUMENT_FRAGMENT_NODE:return x.call(a,b);default:return r.call(a,b)}}var c="undefined"===typeof HTMLTemplateElement,d=!(document.createDocumentFragment().cloneNode()instanceof DocumentFragment),e=!1;/Trident/.test(navigator.userAgent)&&function(){function a(a,b){if(a instanceof DocumentFragment)for(var d;d=a.firstChild;)c.call(this,d,b);else c.call(this,
+a,b);return a}e=!0;var b=Node.prototype.cloneNode;Node.prototype.cloneNode=function(a){a=b.call(this,a);this instanceof DocumentFragment&&(a.__proto__=DocumentFragment.prototype);return a};DocumentFragment.prototype.querySelectorAll=HTMLElement.prototype.querySelectorAll;DocumentFragment.prototype.querySelector=HTMLElement.prototype.querySelector;Object.defineProperties(DocumentFragment.prototype,{nodeType:{get:function(){return Node.DOCUMENT_FRAGMENT_NODE},configurable:!0},localName:{get:function(){},
+configurable:!0},nodeName:{get:function(){return"#document-fragment"},configurable:!0}});var c=Node.prototype.insertBefore;Node.prototype.insertBefore=a;var d=Node.prototype.appendChild;Node.prototype.appendChild=function(b){b instanceof DocumentFragment?a.call(this,b,null):d.call(this,b);return b};var f=Node.prototype.removeChild,g=Node.prototype.replaceChild;Node.prototype.replaceChild=function(b,c){b instanceof DocumentFragment?(a.call(this,b,c),f.call(this,c)):g.call(this,b,c);return c};Document.prototype.createDocumentFragment=
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+G=Document.prototype.querySelectorAll,x=DocumentFragment.prototype.querySelectorAll,v=function(){if(!c){var a=document.createElement("template"),b=document.createElement("template");b.content.appendChild(document.createElement("div"));a.content.appendChild(b);a=a.cloneNode(!0);return 0===a.content.childNodes.length||0===a.content.firstChild.content.childNodes.length||d}}();if(c){var U=document.implementation.createHTMLDocument("template"),Dc=!0,xa=document.createElement("style");xa.textContent="template{display:none;}";
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+l=function(a){switch(a){case "&":return"&amp;";case "<":return"&lt;";case ">":return"&gt;";case '"':return"&quot;";case "\u00a0":return"&nbsp;"}};xa=function(a){for(var b={},c=0;c<a.length;c++)b[a[c]]=!0;return b};var F=xa("area base br col command embed hr img input keygen link meta param source track wbr".split(" ")),of=xa("style script xmp iframe noembed noframes plaintext noscript".split(" ")),Gc=function(a,b){"template"===a.localName&&(a=a.content);for(var c="",d=b?b(a):a.childNodes,e=0,f=d.length,
+g;e<f&&(g=d[e]);e++){a:{var h=g;var k=a;var m=b;switch(h.nodeType){case Node.ELEMENT_NODE:for(var n=h.localName,v="<"+n,r=h.attributes,p=0;k=r[p];p++)v+=" "+k.name+'="'+k.value.replace(nf,l)+'"';v+=">";h=F[n]?v:v+Gc(h,m)+"</"+n+">";break a;case Node.TEXT_NODE:h=h.data;h=k&&of[k.localName]?h:h.replace(kb,l);break a;case Node.COMMENT_NODE:h="\x3c!--"+h.data+"--\x3e";break a;default:throw window.console.error(h),Error("not implemented");}}c+=h}return c}}if(c||v){a.a=function(a,b){var c=f.call(a,!1);
+this.R&&this.R(c);b&&(m.call(c.content,f.call(a.content,!0)),lb(c.content,a.content));return c};var lb=function(c,d){if(d.querySelectorAll&&(d=b(d,"template"),0!==d.length)){c=b(c,"template");for(var e=0,f=c.length,g,h;e<f;e++)h=d[e],g=c[e],a&&a.R&&a.R(h),n.call(g.parentNode,pf.call(h,!0),g)}},pf=Node.prototype.cloneNode=function(b){if(!e&&d&&this instanceof DocumentFragment)if(b)var c=qf.call(this.ownerDocument,this,!0);else return this.ownerDocument.createDocumentFragment();else this.nodeType===
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+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+*/
+window.Promise||(window.Promise=w,w.prototype["catch"]=w.prototype.a,w.prototype.then=w.prototype.then,w.all=eb,w.race=fb,w.resolve=Na,w.reject=gb);/*
+
+ Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
+ This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+ The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+ The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+ Code distributed by Google as part of the polymer project is also
+ subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+*/
+window.WebComponents=window.WebComponents||{flags:{}};var hb=document.querySelector('script[src*="webcomponents-bundle"]'),ib=/wc-(.+)/,y={};if(!y.noOpts){location.search.slice(1).split("&").forEach(function(a){a=a.split("=");var b;a[0]&&(b=a[0].match(ib))&&(y[b[1]]=a[1]||!0)});if(hb)for(var jb=0,mb;mb=hb.attributes[jb];jb++)"src"!==mb.name&&(y[mb.name]=mb.value||!0);if(y.log&&y.log.split){var nb=y.log.split(",");y.log={};nb.forEach(function(a){y.log[a]=!0})}else y.log={}}
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+
+Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+*/
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