Init

2020-07-22 11:25:15 +07:00 · 2020-07-22 11:25:15 +07:00 · c5e9b6548e
commit c5e9b6548e
parent 4bdef59b57
10 changed files with 1581 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,42 @@
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# compiled output
+/dist
+/tmp
+
+# dependencies
+/node_modules
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# misc
+/.sass-cache
+/connect.lock
+/coverage/*
+/libpeerconnection.log
+npm-debug.log
+testem.log
+/typings
+
+# e2e
+/e2e/*.js
+/e2e/*.map
+
+#System Files
+.DS_Store
+Thumbs.db
+
+db/mempool.json
--- a/README.md
+++ b/README.md
@ -1,2 +1,22 @@
 # electrs-mockserver
 A simple mock server that emulated electrs responses for the mempool project
+
+## Install
+
+```bash
+yarn install
+```
+
+Place a mempool.space mempool dump into /db named mempool.json
+
+## Run
+```bash
+ts-node src/index.js
+```
+
+## Commands
+
+http://localhost:50001/start-auto (starts automatic random transaction and block creation)
+http://localhost:50001/stop-auto
+http://localhost:50001/create-block
+http://localhost:50001/create-transactions?amount={amount}
--- a/package.json
+++ b/package.json
@ -0,0 +1,37 @@
+{
+  "name": "electrs-mockserver",
+  "version": "0.0.1",
+  "description": "A simple mock server that emulated electrs responses for the mempool project backend",
+  "license": "MIT",
+  "homepage": "https://mempool.space",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/mempool/mempool"
+  },
+  "bugs": {
+    "url": "https://github.com/mempool/mempool/issues"
+  },
+  "keywords": [
+    "bitcoin",
+    "mempool",
+    "blockchain",
+    "explorer",
+    "liquid"
+  ],
+  "main": "index.ts",
+  "scripts": {
+    "build": "tsc",
+    "start": "npm run build && node dist/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "dependencies": {
+    "compression": "^1.7.4",
+    "express": "^4.17.1"
+  },
+  "devDependencies": {
+    "@types/compression": "^1.0.1",
+    "@types/express": "^4.17.2",
+    "tslint": "^5.11.0",
+    "typescript": "^3.6.4"
+  }
+}
--- a/src/api.ts
+++ b/src/api.ts
@ -0,0 +1,76 @@
+import { Transaction, Block } from './interfaces';
+import mockGenerator from './mock-generator';
+
+class Api {
+  constructor() { }
+
+  getMempoolInfo(): any {
+    return {
+      'count': mockGenerator.mempoolTransactions.length,
+      'vsize': mockGenerator.mempoolTransactions.map((tx) => tx.weight / 4),
+    };
+  }
+
+  getRawMempool(): string[] {
+    return mockGenerator.mempoolTransactions.map((tx) => tx.txid);
+  }
+
+  getRawTransaction(txId: string): Transaction | undefined {
+    const findMempoolTx = mockGenerator.mempoolTransactions.find((tx) => txId === tx.txid);
+    if (findMempoolTx) {
+      return findMempoolTx;
+    }
+
+    for (const block in mockGenerator.blockTransactions) {
+      if (true) {
+        const tx = mockGenerator.blockTransactions[block].find((t) => txId === t.txid);
+        if (tx) {
+          return tx;
+        }
+      }
+    }
+
+    console.log('could not locate TX', txId);
+  }
+
+  getBlocks() {
+    return mockGenerator.blocks.slice(mockGenerator.blocks.length - 10, mockGenerator.blocks.length).reverse();
+  }
+
+  getTransactionsForBlockFrom(hash: string, fromHash: string) {
+    return mockGenerator.blockTransactions[hash].slice(0, 10);
+  }
+
+  getRandomTx(): Transaction {
+    return mockGenerator.getRandomTx();
+  }
+
+  getBlockHeightTip(): number {
+    return mockGenerator.tip;
+  }
+
+  getTxIdsForBlock(hash: string): string[] {
+    return mockGenerator.blockTransactions[hash].map((tx: Transaction) => tx.txid);
+  }
+
+  getBlockHash(height: string): string {
+    const findblock = mockGenerator.blocks.find((blk) => blk.height === parseInt(height, 10));
+    if (findblock) {
+      return findblock.id;
+    } else {
+      return '';
+    }
+  }
+
+  getBlock(hash: string): Block | undefined {
+    const block = mockGenerator.blocks.find((blk) => blk.id === hash);
+    if (block) {
+      return block;
+    }
+    console.log('cant find block with hash' + hash + ' returning random block.');
+    return mockGenerator.getRandomBlock();
+  }
+
+}
+
+export default new Api();
--- a/src/index.ts
+++ b/src/index.ts
@ -0,0 +1,75 @@
+import * as express from 'express';
+import * as compression from 'compression';
+import * as http from 'http';
+import * as querystring from 'querystring';
+
+import { Request, Response, NextFunction } from 'express';
+
+import api from './api';
+import mockGenerator from './mock-generator';
+
+class Server {
+  server: http.Server;
+  app: any;
+
+  constructor() {
+    this.app = express();
+
+    this.app
+      .use((req: Request, res: Response, next: NextFunction) => {
+        res.setHeader('Access-Control-Allow-Origin', '*');
+        next();
+      })
+      .use(compression());
+
+    this.server = http.createServer(this.app);
+
+    this.setUpHttpApiRoutes();
+    this.runMempoolIntervalFunctions();
+
+    this.server.listen(50001, () => {
+      console.log(`Server started on port ${50001}`);
+    });
+  }
+
+  async runMempoolIntervalFunctions() {
+    setTimeout(this.runMempoolIntervalFunctions.bind(this), 100000);
+  }
+
+  setUpHttpApiRoutes() {
+    this.app
+      .get('/mempool', (req: Request, res: Response) => res.json(api.getMempoolInfo()))
+      .get('/mempool/txids', (req: Request, res: Response) => res.json(api.getRawMempool()))
+      .get('/tx/:id', (req: Request, res: Response) => {
+        const tx = api.getRawTransaction(req.params.id);
+        if (!tx) {
+          return res.status(404).end();
+        }
+        res.json(tx);
+      })
+      .get('/blocks/tip/height', (req: Request, res: Response) => res.json(api.getBlockHeightTip()))
+      .get('/blocks', (req: Request, res: Response) => res.json(api.getBlocks()))
+      .get('/block/:hash/txids', (req: Request, res: Response) => res.json(api.getTxIdsForBlock(req.params.hash)))
+      .get('/tx/:hash/outspends', (req: Request, res: Response) => res.json([]))
+      .get('/block/:hash/txs/:fromHash', (req: Request, res: Response) => res.json(
+        api.getTransactionsForBlockFrom(req.params.hash, req.params.fromHash)
+      ))
+      .get('/block-height/:height', (req: Request, res: Response) => res.json(api.getBlockHash(req.params.height)))
+      .get('/block/:hash', (req: Request, res: Response) => res.json(api.getBlock(req.params.hash)))
+
+      .get('/create-block', (req: Request, res: Response) => {
+        mockGenerator.createNewBlock.call(mockGenerator); res.json('block created');
+      })
+      .get('/create-transactions', (req: Request, res: Response) => {
+        mockGenerator.addMempoolTransactions.call(mockGenerator,
+          typeof req.query.amount === 'string' ? parseInt(req.query.amount, 10) : 0); res.json('created txs');
+      })
+      .get('/start-auto', (req: Request, res: Response) => { mockGenerator.setAuto(true); res.json('auto started'); })
+      .get('/stop-auto', (req: Request, res: Response) => { mockGenerator.setAuto(false); res.json('auto stopped'); })
+
+      .get('/rbf', (req: Request, res: Response) => { res.send(mockGenerator.addRbfTransaction()); })
+      ;
+  }
+}
+
+const server = new Server();
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@ -0,0 +1,207 @@
+export interface MempoolInfo {
+  size: number;
+  bytes: number;
+  usage?: number;
+  maxmempool?: number;
+  mempoolminfee?: number;
+  minrelaytxfee?: number;
+}
+
+export interface MempoolBlock {
+  blockSize: number;
+  blockVSize: number;
+  nTx: number;
+  medianFee: number;
+  totalFees: number;
+  feeRange: number[];
+}
+
+export interface Transaction {
+  txid: string;
+  version: number;
+  locktime: number;
+  fee: number;
+  size: number;
+  weight: number;
+  vin: Vin[];
+  vout: Vout[];
+  status: Status;
+}
+
+export interface TransactionExtended extends Transaction {
+  txid: string;
+  fee: number;
+  size: number;
+  vsize: number;
+  feePerVsize: number;
+  firstSeen: number;
+}
+
+export interface Prevout {
+  scriptpubkey: string;
+  scriptpubkey_asm: string;
+  scriptpubkey_type: string;
+  scriptpubkey_address: string;
+  value: number;
+}
+
+export interface Vin {
+  txid: string;
+  vout: number;
+  prevout?: Prevout | null;
+  scriptsig: string;
+  scriptsig_asm: string;
+  inner_redeemscript_asm?: string;
+  is_coinbase: boolean;
+  sequence: any;
+  witness?: string[];
+  inner_witnessscript_asm?: string;
+  is_pegin?: boolean;
+  issuance?: Issuance;
+}
+
+interface Issuance {
+  asset_id: string;
+  is_reissuance: string;
+  asset_blinding_nonce: string;
+  asset_entropy: string;
+  contract_hash: string;
+  assetamount?: number;
+  assetamountcommitment?: string;
+  tokenamount?: number;
+  tokenamountcommitment?: string;
+}
+
+export interface Vout {
+  scriptpubkey: string;
+  scriptpubkey_asm: string;
+  scriptpubkey_type: string;
+  scriptpubkey_address?: string;
+  value: number;
+
+  pegout?: any;
+  asset?: string;
+}
+
+export interface Status {
+  confirmed: boolean;
+  block_height?: number;
+  block_hash?: string;
+  block_time?: number;
+}
+
+export interface Block {
+  id: string;
+  height: number;
+  version: number;
+  timestamp: number;
+  tx_count: number;
+  size: number;
+  weight: number;
+  merkle_root: string;
+  previousblockhash: string;
+  nonce: any;
+  bits: number;
+
+  medianFee?: number;
+  feeRange?: number[];
+  reward?: number;
+  coinbaseTx?: Transaction;
+}
+
+export interface Address {
+  address: string;
+  chain_stats: ChainStats;
+  mempool_stats: MempoolStats;
+}
+
+export interface ChainStats {
+  funded_txo_count: number;
+  funded_txo_sum: number;
+  spent_txo_count: number;
+  spent_txo_sum: number;
+  tx_count: number;
+}
+
+export interface MempoolStats {
+  funded_txo_count: number;
+  funded_txo_sum: number;
+  spent_txo_count: number;
+  spent_txo_sum: number;
+  tx_count: number;
+}
+
+export interface Statistic {
+  id?: number;
+  added: string;
+  unconfirmed_transactions: number;
+  tx_per_second: number;
+  vbytes_per_second: number;
+  total_fee: number;
+  mempool_byte_weight: number;
+  fee_data: string;
+
+  vsize_1: number;
+  vsize_2: number;
+  vsize_3: number;
+  vsize_4: number;
+  vsize_5: number;
+  vsize_6: number;
+  vsize_8: number;
+  vsize_10: number;
+  vsize_12: number;
+  vsize_15: number;
+  vsize_20: number;
+  vsize_30: number;
+  vsize_40: number;
+  vsize_50: number;
+  vsize_60: number;
+  vsize_70: number;
+  vsize_80: number;
+  vsize_90: number;
+  vsize_100: number;
+  vsize_125: number;
+  vsize_150: number;
+  vsize_175: number;
+  vsize_200: number;
+  vsize_250: number;
+  vsize_300: number;
+  vsize_350: number;
+  vsize_400: number;
+  vsize_500: number;
+  vsize_600: number;
+  vsize_700: number;
+  vsize_800: number;
+  vsize_900: number;
+  vsize_1000: number;
+  vsize_1200: number;
+  vsize_1400: number;
+  vsize_1600: number;
+  vsize_1800: number;
+  vsize_2000: number;
+}
+
+export interface OptimizedStatistic {
+  id: number;
+  added: string;
+  unconfirmed_transactions: number;
+  tx_per_second: number;
+  vbytes_per_second: number;
+  total_fee: number;
+  mempool_byte_weight: number;
+  vsizes: number[];
+}
+
+export interface Outspend {
+  spent: boolean;
+  txid: string;
+  vin: number;
+  status: Status;
+}
+export interface WebsocketResponse {
+  action: string;
+  data: string[];
+  'track-tx': string;
+  'track-address': string;
+  'watch-mempool': boolean;
+}
--- a/src/mock-generator.ts
+++ b/src/mock-generator.ts
@ -0,0 +1,257 @@
+import { Block, Transaction } from './interfaces';
+import * as fs from 'fs';
+
+const INITIAL_BLOCKS_AMOUNT = 10;
+
+class MockGenerator {
+  rbfFee = 6825;
+  lastRbfTxId = '';
+  auto = false;
+  tip: number = 633008;
+  blocks: Block[] = [];
+  mempoolTransactions: Transaction[] = [];
+  randomTransactions: Transaction[] = [];
+  blockTransactions: { [hash: string]:  Transaction[] }  = {};
+
+  constructor() {
+    this.loadRandomTransactions();
+    this.addMempoolTransactions((INITIAL_BLOCKS_AMOUNT + 2) * 100);
+
+    for (let i = 0; i < INITIAL_BLOCKS_AMOUNT; i++) {
+      this.createNewBlock();
+    }
+
+    setInterval(() => { if (!this.auto) { return; } this.addMempoolTransactions(4); }, 1000);
+    setInterval(() => { if (!this.auto) { return; } this.createNewBlock(); }, 25000);
+
+    this.addBisqTransaction();
+  }
+
+  addBisqTransaction() {
+    this.mempoolTransactions.push(
+      {'txid':'9ea4949cd3accdb4317e507937198ab5bc0bc07040079a9c8a2956fdbb054ed4','version':1,'locktime':0,'vin':[{'txid':'0c0ad832044d4fb6fa3210bbc478430fbf712386c1e644dd6aa3fec1611e3148','vout':0,'prevout':{'scriptpubkey':'76a91483882a62fdb3d6640cc665f80a3d511a5bcf0b3188ac','scriptpubkey_asm':'OP_DUP OP_HASH160 OP_PUSHBYTES_20 83882a62fdb3d6640cc665f80a3d511a5bcf0b31 OP_EQUALVERIFY OP_CHECKSIG','scriptpubkey_type':'p2pkh','scriptpubkey_address':'1CzUe5cy84JgJG7jQqjich6P9qXhUtZCX1','value':620},'scriptsig':'47304402203f327ef19b4853f6331d4fd73f2ffff687c17030955f9950b0d6360a1c0c142102206e913f87d2db80a8ff960ca1eecd595a03d042207e3e8fd149d15b651584ae8101210291096355cf995d7c961c50f2b319498b9513c2a51586dd7a2425c0084bbebef2','scriptsig_asm':'OP_PUSHBYTES_71 304402203f327ef19b4853f6331d4fd73f2ffff687c17030955f9950b0d6360a1c0c142102206e913f87d2db80a8ff960ca1eecd595a03d042207e3e8fd149d15b651584ae8101 OP_PUSHBYTES_33 0291096355cf995d7c961c50f2b319498b9513c2a51586dd7a2425c0084bbebef2','is_coinbase':false,'sequence':4294967295},{'txid':'0401cafaee7684b7b5ff119377a96096b07c25e872ed5d1d841c44da3618b861','vout':0,'prevout':{'scriptpubkey':'76a91453df36e60de2636fd331fd901c6581b99afc9cf188ac','scriptpubkey_asm':'OP_DUP OP_HASH160 OP_PUSHBYTES_20 53df36e60de2636fd331fd901c6581b99afc9cf1 OP_EQUALVERIFY OP_CHECKSIG','scriptpubkey_type':'p2pkh','scriptpubkey_address':'18eUV8kcv3BA7fghsSZfjTesRGi5e4dG8Q','value':9763},'scriptsig':'483045022100c7c87237eb817d8239ca81d5d7f61cb50af7601f91e17367c317c977ee3d44860220751292858e2061825df647c62a022fe9c29fc1ccb8c5c8edf3abb05de0d27fe50121023ae2ad208bdcccf6dcded15dde5c25361f9b24fe49e21a1bc0e0c43d83ae9aff','scriptsig_asm':'OP_PUSHBYTES_72 3045022100c7c87237eb817d8239ca81d5d7f61cb50af7601f91e17367c317c977ee3d44860220751292858e2061825df647c62a022fe9c29fc1ccb8c5c8edf3abb05de0d27fe501 OP_PUSHBYTES_33 023ae2ad208bdcccf6dcded15dde5c25361f9b24fe49e21a1bc0e0c43d83ae9aff','is_coinbase':false,'sequence':4294967295},{'txid':'d1aa28bdc2aa23721d3cd752096e5d63b4a7e97b1108cad2a22ef6fa5e119594','vout':0,'prevout':{'scriptpubkey':'76a914e278a3943077f29a9d1e708d482cc247726b466088ac','scriptpubkey_asm':'OP_DUP OP_HASH160 OP_PUSHBYTES_20 e278a3943077f29a9d1e708d482cc247726b4660 OP_EQUALVERIFY OP_CHECKSIG','scriptpubkey_type':'p2pkh','scriptpubkey_address':'1MeUEVpjtUbvQhkCAEa4wUSAVmiKXZdtpZ','value':10500000},'scriptsig':'463043021f569532a51e772c887f43fb4708f7d1172614e053e01005d9d0d6d1849ec4b102201fa0b5a2a25092fe07cf728bafbff0fd0de0dd64ca332f80043bc84f556ed50b0121032f7fb9837b4af2669381f2837637d9553d61815fa8c94f509707c6ad8407a0de','scriptsig_asm':'OP_PUSHBYTES_70 3043021f569532a51e772c887f43fb4708f7d1172614e053e01005d9d0d6d1849ec4b102201fa0b5a2a25092fe07cf728bafbff0fd0de0dd64ca332f80043bc84f556ed50b01 OP_PUSHBYTES_33 032f7fb9837b4af2669381f2837637d9553d61815fa8c94f509707c6ad8407a0de','is_coinbase':false,'sequence':4294967295}],'vout':[{'scriptpubkey':'76a914d26402eddc4e3e4e056806db84d0c1d0aa64e4b788ac','scriptpubkey_asm':'OP_DUP OP_HASH160 OP_PUSHBYTES_20 d26402eddc4e3e4e056806db84d0c1d0aa64e4b7 OP_EQUALVERIFY OP_CHECKSIG','scriptpubkey_type':'p2pkh','scriptpubkey_address':'1LBSiCfqExVi4guv269zXAB4PpCjDJxa1j','value':10325},{'scriptpubkey':'76a9146edab495aa676a00212c1ee641a7820cd77cc1a088ac','scriptpubkey_asm':'OP_DUP OP_HASH160 OP_PUSHBYTES_20 6edab495aa676a00212c1ee641a7820cd77cc1a0 OP_EQUALVERIFY OP_CHECKSIG','scriptpubkey_type':'p2pkh','scriptpubkey_address':'1B79L28kgaiuytndJziEN6sDr5C7ag4XQx','value':1500000},{'scriptpubkey':'76a914c9b89b5f2cb9f71cc75500dff840e497834d129688ac','scriptpubkey_asm':'OP_DUP OP_HASH160 OP_PUSHBYTES_20 c9b89b5f2cb9f71cc75500dff840e497834d1296 OP_EQUALVERIFY OP_CHECKSIG','scriptpubkey_type':'p2pkh','scriptpubkey_address':'1KPbyGkqjmrS3gn5DW7LvG1ie5t2NYRhLk','value':8995958}],'size':553,'weight':2212,'fee':4100,'status':{'confirmed':false}}
+    );
+  }
+
+  addRbfTransaction(): string {
+    if (this.lastRbfTxId !== '') {
+      const index = this.mempoolTransactions.findIndex((tx) => tx.txid === this.lastRbfTxId);
+      if (index > -1) {
+        this.mempoolTransactions.splice(index, 1);
+      }
+    }
+    this.rbfFee *= 1.5;
+    const txHash = this.getRandomTxHash();
+    this.lastRbfTxId = txHash;
+    console.log('******* RBF Transaction *****', txHash);
+    this.mempoolTransactions.push({
+        'txid': txHash,
+        'version': 2,
+        'locktime': 632699,
+        'vin': [
+          {
+            'txid': '02238126a63ea2669c5f378012180ef8b54402a949316f9b2f1352c51730a086',
+            'vout': 0,
+            'prevout': {
+              'scriptpubkey': 'a914f8e495456956c833e5e8c69b9a9dc041aa14c72f87',
+              'scriptpubkey_asm': 'OP_HASH160 OP_PUSHBYTES_20 f8e495456956c833e5e8c69b9a9dc041aa14c72f OP_EQUAL',
+              'scriptpubkey_type': 'p2sh',
+              'scriptpubkey_address': '3QP3LMD8veT5GtWV83Nosif2Bhr73857VB',
+              'value': 25000000
+            },
+            'scriptsig': '22002043288fbbc0fc5efa86c229dbb7d88ab78d57957c65b5d5ceaece70838976ad1b',
+            'scriptsig_asm': 'OP_PUSHBYTES_34 002043288fbbc0fc5efa86c229dbb7d88ab78d57957c65b5d5ceaece70838976ad1b',
+            'witness': [
+              '',
+              '3044022009e2d3a8e645f65bc89c8492cd9c08e6fb02609fd402214884a754a1970145340220575bb325429def59f3a3f1e22d9740a3feecbe97438ff3bb5796b2c46b3c477f01',
+              '3044022039c34372882da8fc1c1243bd72b5e7e5e6870301ef56bdebb87bc647fb50f9b5022071a704ee77d742f78b10e45be675d4c45a5f31e884139e75c975144fde70e41701',
+              '522102346eb7133f11e0dc279bc592d5ac948a91676372a6144c9ae2085625d7fbf70421021b9508a458f9d59be4eb8cc87ad582c3b494106fb1d4ec22801569be0700eb7b52ae'
+            ],
+            'is_coinbase': false,
+            'sequence': 4294967293,
+            'inner_redeemscript_asm': 'OP_0 OP_PUSHBYTES_32 43288fbbc0fc5efa86c229dbb7d88ab78d57957c65b5d5ceaece70838976ad1b',
+            'inner_witnessscript_asm': 'OP_PUSHNUM_2 OP_PUSHBYTES_33 02346eb7133f11e0dc279bc592d5ac948a91676372a6144c9ae2085625d7fbf704 OP_PUSHBYTES_33 021b9508a458f9d59be4eb8cc87ad582c3b494106fb1d4ec22801569be0700eb7b OP_PUSHNUM_2 OP_CHECKMULTISIG'
+          }
+        ],
+        'vout': [
+          {
+            'scriptpubkey': 'a914fd4e5e59dd5cf2dc48eaedf1a2a1650ca1ce9d7f87',
+            'scriptpubkey_asm': 'OP_HASH160 OP_PUSHBYTES_20 fd4e5e59dd5cf2dc48eaedf1a2a1650ca1ce9d7f OP_EQUAL',
+            'scriptpubkey_type': 'p2sh',
+            'scriptpubkey_address': '3QnNmDhZS7toHA7bhhbTPBdtpLJoeecq5c',
+            'value': 13986350
+          },
+          {
+            'scriptpubkey': '76a914edc93d0446deec1c2d514f3a490f050096e74e0e88ac',
+            'scriptpubkey_asm': 'OP_DUP OP_HASH160 OP_PUSHBYTES_20 edc93d0446deec1c2d514f3a490f050096e74e0e OP_EQUALVERIFY OP_CHECKSIG',
+            'scriptpubkey_type': 'p2pkh',
+            'scriptpubkey_address': '1NgJDkTUqJxxCAAZrrsC87kWag5kphrRtM',
+            'value': 11000000
+          }
+        ],
+        'size': 372,
+        'weight': 828,
+        'fee': this.rbfFee,
+        'status': { 'confirmed': false }
+      }
+    );
+    return txHash;
+  }
+
+  setAuto(auto: boolean): void {
+    this.auto = !!auto;
+  }
+
+  createNewBlock(): void {
+    const newBlockTransactions = this.mempoolTransactions.sort((a, b) => b['_feePerVsize'] - a['_feePerVsize'] ).splice(0, 100);
+
+    this.tip++;
+    const template = {
+      'id': this.getRandomBlockHash(),
+      'height': this.tip,
+      'version': 939515904,
+      'timestamp': this.getTimeStamp(),
+      'tx_count': newBlockTransactions.length,
+      'size': newBlockTransactions.reduce((a, b) => a + b.size, 0),
+      'weight': newBlockTransactions.reduce((a, b) => a + b.weight, 0),
+      'merkle_root': this.getRandomBlockHash(),
+      'previousblockhash': this.getRandomBlockHash(),
+      'nonce': 2877743144,
+      'bits': 387094518,
+    };
+    console.log('Creating block #' + template.height, template.id);
+    this.blocks.push(template);
+    if (this.blocks.length > 16) {
+      this.blocks.pop();
+    }
+
+    newBlockTransactions.forEach((tx) => {
+      tx.status = {
+        'confirmed': true,
+        'block_height': template.height,
+        'block_hash': template.id,
+        'block_time': template.timestamp,
+      };
+    });
+
+    // Add transactions to block
+    this.blockTransactions[template.id] = [
+      this.generateCoinbaseTransaction(template),
+      ...newBlockTransactions
+    ];
+  }
+
+  getRandomTx(): Transaction {
+    return this.randomTransactions[this.getRandomNumberBetween(0, this.randomTransactions.length - 1)];
+  }
+
+  getRandomBlock(): Block {
+    return this.blocks[this.getRandomNumberBetween(0, this.blocks.length - 1)];
+  }
+
+  addMempoolTransactions(amount: number): void {
+    for (let i = 0; i < amount; i++) {
+      let randomTx = this.getRandomTx();
+      randomTx = JSON.parse(JSON.stringify(randomTx));
+      randomTx.size = 10000;
+      randomTx.weight = 40000;
+      // @ts-ignore
+      randomTx['_feePerVsize'] = randomTx.feePerVsize * 4;
+      randomTx.fee = randomTx.fee * 80;
+      randomTx.txid = this.getRandomTxHash();
+      console.log('Creating transaction', randomTx.txid);
+      delete randomTx['firstSeen'];
+      delete randomTx['feePerVsize'];
+      this.mempoolTransactions.push(randomTx);
+    }
+  }
+
+  private getTimeStamp(): number {
+    return (new Date()).getTime() / 1000;
+  }
+
+  private loadRandomTransactions(): void {
+    const transactionObjects = JSON.parse(fs.readFileSync('db/mempool.json', 'utf8')).mempool;
+    this.randomTransactions = Object.values(transactionObjects);
+  }
+
+  private generateCoinbaseTransaction(block: Block): Transaction {
+    return {
+      'txid': this.getRandomBlockHash(),
+      'version': 1,
+      'fee': 0,
+      'locktime': 2110681864,
+      'vin': [
+          {
+              'txid': '0000000000000000000000000000000000000000000000000000000000000000',
+              'vout': 4294967295,
+              'prevout': null,
+              'scriptsig': '0351a90904f206da5e2f706f6f6c696e2e636f6d2ffabe6d6d77baef22a696c4b203c8b2d0a8e2a32519232eeefb41d37532245e92059e4b9101000000000000001f9e6ee782ece45b0c676f9532f7cd5810591e677a00761a000000000000',
+              'scriptsig_asm': 'OP_PUSHBYTES_3 51a909 OP_PUSHBYTES_4 f206da5e OP_PUSHBYTES_47 706f6f6c696e2e636f6d2ffabe6d6d77baef22a696c4b203c8b2d0a8e2a32519232eeefb41d37532245e92059e4b91 OP_PUSHBYTES_1 00 OP_0 OP_0 OP_0 OP_0 OP_0 OP_0 OP_PUSHBYTES_31 <push past end>',
+              'witness': [
+                  '0000000000000000000000000000000000000000000000000000000000000000'
+              ],
+              'is_coinbase': true,
+              'sequence': 4294967295
+          }
+      ],
+      'vout': [
+          {
+              'scriptpubkey': '76a91467b8392ea973b086758ee0d2c56a8e727f740c5188ac',
+              'scriptpubkey_asm': 'OP_DUP OP_HASH160 OP_PUSHBYTES_20 67b8392ea973b086758ee0d2c56a8e727f740c51 OP_EQUALVERIFY OP_CHECKSIG',
+              'scriptpubkey_type': 'p2pkh',
+              'scriptpubkey_address': '1ATRHpi6GxaLX4CLwEimTHiBP7HMktS2Uc',
+              'value': 640772666
+          },
+          {
+              'scriptpubkey': '6a24b9e11b6d067b8923e8c71fbb4282caa39d0f79c6b8ebcb99cae14430bc7be60ccab1ec21',
+              'scriptpubkey_asm': 'OP_RETURN OP_PUSHBYTES_36 b9e11b6d067b8923e8c71fbb4282caa39d0f79c6b8ebcb99cae14430bc7be60ccab1ec21',
+              'scriptpubkey_type': 'op_return',
+              'value': 0
+          },
+          {
+              'scriptpubkey': '6a24aa21a9ed0744f136a6a03cee4a0288471b83c305503681901bdd4061d96e35d963076e36',
+              'scriptpubkey_asm': 'OP_RETURN OP_PUSHBYTES_36 aa21a9ed0744f136a6a03cee4a0288471b83c305503681901bdd4061d96e35d963076e36',
+              'scriptpubkey_type': 'op_return',
+              'value': 0
+          },
+          {
+              'scriptpubkey': '6a2952534b424c4f434b3a2de33de44af1c17a9bee59ed4c094e64d3d97f0b1fd283ba91a46c1b0024e0b7',
+              'scriptpubkey_asm': 'OP_RETURN OP_PUSHBYTES_41 52534b424c4f434b3a2de33de44af1c17a9bee59ed4c094e64d3d97f0b1fd283ba91a46c1b0024e0b7',
+              'scriptpubkey_type': 'op_return',
+              'value': 0
+          }
+      ],
+      'size': 362,
+      'weight': 1340,
+      'status': {
+          'confirmed': true,
+          'block_height': block.height,
+          'block_hash': block.id,
+          'block_time': block.timestamp,
+      }
+    };
+  }
+
+  private getRandomBlockHash(): string {
+    return '00000000' + this.getRandomSha256(56, 'abcdefABCDEF123456789');
+  }
+
+  private getRandomTxHash(): string {
+    return this.getRandomSha256(64, 'abcdefABCDEF123456789');
+  }
+
+  private getRandomSha256(length: number, charset: string): string {
+    let retVal = '';
+    for (let i = 0, n = charset.length; i < length; ++i) {
+        retVal += charset.charAt(Math.floor(Math.random() * n));
+    }
+    return retVal;
+  }
+
+  private getRandomNumberBetween(min: number, max: number): number {
+    return Math.floor(Math.random() * (max - min + 1) + min);
+  }
+}
+
+export default new MockGenerator();
--- a/tsconfig.json
+++ b/tsconfig.json
@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "esnext",
+    "strict": true,
+    "noImplicitAny": false,
+    "sourceMap": false,
+    "outDir": "dist",
+    "moduleResolution": "node",
+    "typeRoots": [
+      "node_modules/@types"
+    ]
+  },
+  "include": [
+    "src/**/*.ts"
+  ],
+  "exclude": [
+    "dist/**"
+  ]
+}
--- a/tslint.json
+++ b/tslint.json
@ -0,0 +1,137 @@
+{
+  "rules": {
+    "arrow-return-shorthand": true,
+    "callable-types": true,
+    "class-name": true,
+    "comment-format": [
+      true,
+      "check-space"
+    ],
+    "curly": true,
+    "deprecation": {
+      "severity": "warn"
+    },
+    "eofline": true,
+    "forin": true,
+    "import-blacklist": [
+      true,
+      "rxjs",
+      "rxjs/Rx"
+    ],
+    "import-spacing": true,
+    "indent": [
+      true,
+      "spaces"
+    ],
+    "interface-over-type-literal": true,
+    "label-position": true,
+    "max-line-length": [
+      true,
+      140
+    ],
+    "member-access": false,
+    "member-ordering": [
+      true,
+      {
+        "order": [
+          "static-field",
+          "instance-field",
+          "static-method",
+          "instance-method"
+        ]
+      }
+    ],
+    "no-arg": true,
+    "no-bitwise": true,
+    "no-console": [
+      true,
+      "debug",
+      "info",
+      "time",
+      "timeEnd",
+      "trace"
+    ],
+    "no-construct": true,
+    "no-debugger": true,
+    "no-duplicate-super": true,
+    "no-empty": false,
+    "no-empty-interface": true,
+    "no-eval": true,
+    "no-inferrable-types": false,
+    "no-misused-new": true,
+    "no-non-null-assertion": true,
+    "no-shadowed-variable": true,
+    "no-string-literal": false,
+    "no-string-throw": true,
+    "no-switch-case-fall-through": true,
+    "no-trailing-whitespace": true,
+    "no-unnecessary-initializer": true,
+    "no-unused-expression": true,
+    "no-use-before-declare": true,
+    "no-var-keyword": true,
+    "object-literal-sort-keys": false,
+    "one-line": [
+      true,
+      "check-open-brace",
+      "check-catch",
+      "check-else",
+      "check-whitespace"
+    ],
+    "prefer-const": true,
+    "quotemark": [
+      true,
+      "single"
+    ],
+    "radix": true,
+    "semicolon": [
+      true,
+      "always"
+    ],
+    "triple-equals": [
+      true,
+      "allow-null-check"
+    ],
+    "typedef-whitespace": [
+      true,
+      {
+        "call-signature": "nospace",
+        "index-signature": "nospace",
+        "parameter": "nospace",
+        "property-declaration": "nospace",
+        "variable-declaration": "nospace"
+      }
+    ],
+    "unified-signatures": true,
+    "variable-name": false,
+    "whitespace": [
+      true,
+      "check-branch",
+      "check-decl",
+      "check-operator",
+      "check-separator",
+      "check-type"
+    ],
+    "directive-selector": [
+      true,
+      "attribute",
+      "app",
+      "camelCase"
+    ],
+    "component-selector": [
+      true,
+      "element",
+      "app",
+      "kebab-case"
+    ],
+    "no-output-on-prefix": true,
+    "use-input-property-decorator": true,
+    "use-output-property-decorator": true,
+    "use-host-property-decorator": true,
+    "no-input-rename": true,
+    "no-output-rename": true,
+    "use-life-cycle-interface": true,
+    "use-pipe-transform-interface": true,
+    "component-class-suffix": true,
+    "directive-class-suffix": true
+  }
+}
--- a/yarn.lock
+++ b/yarn.lock
@ -0,0 +1,710 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@babel/code-frame@^7.0.0":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.10.4.tgz#168da1a36e90da68ae8d49c0f1b48c7c6249213a"
+  integrity sha512-vG6SvB6oYEhvgisZNFRmRCUkLz11c7rp+tbNTynGqc6mS1d5ATd/sGyV6W0KZZnXRKMTzZDRgQT3Ou9jhpAfUg==
+  dependencies:
+    "@babel/highlight" "^7.10.4"
+
+"@babel/helper-validator-identifier@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz#a78c7a7251e01f616512d31b10adcf52ada5e0d2"
+  integrity sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw==
+
+"@babel/highlight@^7.10.4":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.10.4.tgz#7d1bdfd65753538fabe6c38596cdb76d9ac60143"
+  integrity sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    chalk "^2.0.0"
+    js-tokens "^4.0.0"
+
+"@types/body-parser@*":
+  version "1.19.0"
+  resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.19.0.tgz#0685b3c47eb3006ffed117cdd55164b61f80538f"
+  integrity sha512-W98JrE0j2K78swW4ukqMleo8R7h/pFETjM2DQ90MF6XK2i4LO4W3gQ71Lt4w3bfm2EvVSyWHplECvB5sK22yFQ==
+  dependencies:
+    "@types/connect" "*"
+    "@types/node" "*"
+
+"@types/compression@^1.0.1":
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/@types/compression/-/compression-1.7.0.tgz#8dc2a56604873cf0dd4e746d9ae4d31ae77b2390"
+  integrity sha512-3LzWUM+3k3XdWOUk/RO+uSjv7YWOatYq2QADJntK1pjkk4DfVP0KrIEPDnXRJxAAGKe0VpIPRmlINLDuCedZWw==
+  dependencies:
+    "@types/express" "*"
+
+"@types/connect@*":
+  version "3.4.33"
+  resolved "https://registry.yarnpkg.com/@types/connect/-/connect-3.4.33.tgz#31610c901eca573b8713c3330abc6e6b9f588546"
+  integrity sha512-2+FrkXY4zllzTNfJth7jOqEHC+enpLeGslEhpnTAkg21GkRrWV4SsAtqchtT4YS9/nODBU2/ZfsBY2X4J/dX7A==
+  dependencies:
+    "@types/node" "*"
+
+"@types/express-serve-static-core@*":
+  version "4.17.8"
+  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.8.tgz#b8f7b714138536742da222839892e203df569d1c"
+  integrity sha512-1SJZ+R3Q/7mLkOD9ewCBDYD2k0WyZQtWYqF/2VvoNN2/uhI49J9CDN4OAm+wGMA0DbArA4ef27xl4+JwMtGggw==
+  dependencies:
+    "@types/node" "*"
+    "@types/qs" "*"
+    "@types/range-parser" "*"
+
+"@types/express@*", "@types/express@^4.17.2":
+  version "4.17.7"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.7.tgz#42045be6475636d9801369cd4418ef65cdb0dd59"
+  integrity sha512-dCOT5lcmV/uC2J9k0rPafATeeyz+99xTt54ReX11/LObZgfzJqZNcW27zGhYyX+9iSEGXGt5qLPwRSvBZcLvtQ==
+  dependencies:
+    "@types/body-parser" "*"
+    "@types/express-serve-static-core" "*"
+    "@types/qs" "*"
+    "@types/serve-static" "*"
+
+"@types/mime@*":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.2.tgz#857a118d8634c84bba7ae14088e4508490cd5da5"
+  integrity sha512-4kPlzbljFcsttWEq6aBW0OZe6BDajAmyvr2xknBG92tejQnvdGtT9+kXSZ580DqpxY9qG2xeQVF9Dq0ymUTo5Q==
+
+"@types/node@*":
+  version "14.0.24"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.24.tgz#b0f86f58564fa02a28b68f8b55d4cdec42e3b9d6"
+  integrity sha512-btt/oNOiDWcSuI721MdL8VQGnjsKjlTMdrKyTcLCKeQp/n4AAMFJ961wMbp+09y8WuGPClDEv07RIItdXKIXAA==
+
+"@types/qs@*":
+  version "6.9.3"
+  resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.3.tgz#b755a0934564a200d3efdf88546ec93c369abd03"
+  integrity sha512-7s9EQWupR1fTc2pSMtXRQ9w9gLOcrJn+h7HOXw4evxyvVqMi4f+q7d2tnFe3ng3SNHjtK+0EzGMGFUQX4/AQRA==
+
+"@types/range-parser@*":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
+  integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
+
+"@types/serve-static@*":
+  version "1.13.4"
+  resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.4.tgz#6662a93583e5a6cabca1b23592eb91e12fa80e7c"
+  integrity sha512-jTDt0o/YbpNwZbQmE/+2e+lfjJEJJR0I3OFaKQKPWkASkCoW3i6fsUnqudSMcNAfbtmADGu8f4MV4q+GqULmug==
+  dependencies:
+    "@types/express-serve-static-core" "*"
+    "@types/mime" "*"
+
+accepts@~1.3.5, accepts@~1.3.7:
+  version "1.3.7"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
+  integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
+  dependencies:
+    mime-types "~2.1.24"
+    negotiator "0.6.2"
+
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  integrity sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==
+  dependencies:
+    color-convert "^1.9.0"
+
+argparse@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  integrity sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==
+  dependencies:
+    sprintf-js "~1.0.2"
+
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+  integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+body-parser@1.19.0:
+  version "1.19.0"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
+  integrity sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==
+  dependencies:
+    bytes "3.1.0"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.2"
+    http-errors "1.7.2"
+    iconv-lite "0.4.24"
+    on-finished "~2.3.0"
+    qs "6.7.0"
+    raw-body "2.4.0"
+    type-is "~1.6.17"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+builtin-modules@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+  integrity sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=
+
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+  integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
+
+bytes@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
+  integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
+
+chalk@^2.0.0, chalk@^2.3.0:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+commander@^2.12.1:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
+compressible@~2.0.16:
+  version "2.0.18"
+  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.18.tgz#af53cca6b070d4c3c0750fbd77286a6d7cc46fba"
+  integrity sha512-AF3r7P5dWxL8MxyITRMlORQNaOA2IkAFaTr4k7BUumjPtRpGDTZpl0Pb1XCO6JeDCBdp126Cgs9sMxqSjgYyRg==
+  dependencies:
+    mime-db ">= 1.43.0 < 2"
+
+compression@^1.7.4:
+  version "1.7.4"
+  resolved "https://registry.yarnpkg.com/compression/-/compression-1.7.4.tgz#95523eff170ca57c29a0ca41e6fe131f41e5bb8f"
+  integrity sha512-jaSIDzP9pZVS4ZfQ+TzvtiWhdpFhE2RDHz8QJkpX9SIpLq88VueF5jJw6t+6CUQcAoA6t+x89MLrWAqpfDE8iQ==
+  dependencies:
+    accepts "~1.3.5"
+    bytes "3.0.0"
+    compressible "~2.0.16"
+    debug "2.6.9"
+    on-headers "~1.0.2"
+    safe-buffer "5.1.2"
+    vary "~1.1.2"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+content-disposition@0.5.3:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
+  integrity sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==
+  dependencies:
+    safe-buffer "5.1.2"
+
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+  integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
+
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+  integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
+
+cookie@0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
+  integrity sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
+
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
+
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
+
+diff@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
+
+encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
+
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
+
+escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+  integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
+
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+
+express@^4.17.1:
+  version "4.17.1"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
+  integrity sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==
+  dependencies:
+    accepts "~1.3.7"
+    array-flatten "1.1.1"
+    body-parser "1.19.0"
+    content-disposition "0.5.3"
+    content-type "~1.0.4"
+    cookie "0.4.0"
+    cookie-signature "1.0.6"
+    debug "2.6.9"
+    depd "~1.1.2"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    finalhandler "~1.1.2"
+    fresh "0.5.2"
+    merge-descriptors "1.0.1"
+    methods "~1.1.2"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    path-to-regexp "0.1.7"
+    proxy-addr "~2.0.5"
+    qs "6.7.0"
+    range-parser "~1.2.1"
+    safe-buffer "5.1.2"
+    send "0.17.1"
+    serve-static "1.14.1"
+    setprototypeof "1.1.1"
+    statuses "~1.5.0"
+    type-is "~1.6.18"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
+
+finalhandler@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
+  integrity sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.3"
+    statuses "~1.5.0"
+    unpipe "~1.0.0"
+
+forwarded@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+  integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+glob@^7.1.1:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+  integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
+
+http-errors@1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
+  integrity sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.1"
+    statuses ">= 1.5.0 < 2"
+    toidentifier "1.0.0"
+
+http-errors@~1.7.2:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.3.tgz#6c619e4f9c60308c38519498c14fbb10aacebb06"
+  integrity sha512-ZTTX0MWrsQ2ZAhA1cejAwDLycFsd7I7nVtnkT3Ol0aqodaKW+0CTZDQ1uBv5whptCnc8e8HeRRJxRs0kmm/Qfw==
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.4"
+    setprototypeof "1.1.1"
+    statuses ">= 1.5.0 < 2"
+    toidentifier "1.0.0"
+
+iconv-lite@0.4.24:
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
+  integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
+ipaddr.js@1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
+  integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
+
+js-tokens@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
+
+js-yaml@^3.13.1:
+  version "3.14.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.0.tgz#a7a34170f26a21bb162424d8adacb4113a69e482"
+  integrity sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+  integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
+
+merge-descriptors@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+  integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
+
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+  integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
+
+mime-db@1.44.0, "mime-db@>= 1.43.0 < 2":
+  version "1.44.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
+  integrity sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg==
+
+mime-types@~2.1.24:
+  version "2.1.27"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.27.tgz#47949f98e279ea53119f5722e0f34e529bec009f"
+  integrity sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==
+  dependencies:
+    mime-db "1.44.0"
+
+mime@1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
+  integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+mkdirp@^0.5.1:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+ms@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+
+negotiator@0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
+  integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
+
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+  dependencies:
+    ee-first "1.1.1"
+
+on-headers@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
+  integrity sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+parseurl@~1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
+  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+path-parse@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+
+path-to-regexp@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+  integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
+
+proxy-addr@~2.0.5:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.6.tgz#fdc2336505447d3f2f2c638ed272caf614bbb2bf"
+  integrity sha512-dh/frvCBVmSsDYzw6n926jv974gddhkFPfiN8hPOi30Wax25QZyZEGveluCgliBnqmuM+UJmBErbAUFIoDbjOw==
+  dependencies:
+    forwarded "~0.1.2"
+    ipaddr.js "1.9.1"
+
+qs@6.7.0:
+  version "6.7.0"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
+  integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
+
+range-parser@~1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
+  integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
+
+raw-body@2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.0.tgz#a1ce6fb9c9bc356ca52e89256ab59059e13d0332"
+  integrity sha512-4Oz8DUIwdvoa5qMJelxipzi/iJIi40O5cGV1wNYp5hvZP8ZN0T+jiNkL0QepXs+EsQ9XJ8ipEDoiH70ySUJP3Q==
+  dependencies:
+    bytes "3.1.0"
+    http-errors "1.7.2"
+    iconv-lite "0.4.24"
+    unpipe "1.0.0"
+
+resolve@^1.3.2:
+  version "1.17.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.17.0.tgz#b25941b54968231cc2d1bb76a79cb7f2c0bf8444"
+  integrity sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==
+  dependencies:
+    path-parse "^1.0.6"
+
+safe-buffer@5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+"safer-buffer@>= 2.1.2 < 3":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+
+semver@^5.3.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
+
+send@0.17.1:
+  version "0.17.1"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
+  integrity sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.2"
+    destroy "~1.0.4"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.7.2"
+    mime "1.6.0"
+    ms "2.1.1"
+    on-finished "~2.3.0"
+    range-parser "~1.2.1"
+    statuses "~1.5.0"
+
+serve-static@1.14.1:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
+  integrity sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==
+  dependencies:
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    parseurl "~1.3.3"
+    send "0.17.1"
+
+setprototypeof@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
+  integrity sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+
+"statuses@>= 1.5.0 < 2", statuses@~1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
+
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
+  dependencies:
+    has-flag "^3.0.0"
+
+toidentifier@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
+  integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
+
+tslib@^1.8.0, tslib@^1.8.1:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
+  integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
+
+tslint@^5.11.0:
+  version "5.20.1"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.20.1.tgz#e401e8aeda0152bc44dd07e614034f3f80c67b7d"
+  integrity sha512-EcMxhzCFt8k+/UP5r8waCf/lzmeSyVlqxqMEDQE7rWYiQky8KpIBz1JAoYXfROHrPZ1XXd43q8yQnULOLiBRQg==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    builtin-modules "^1.1.1"
+    chalk "^2.3.0"
+    commander "^2.12.1"
+    diff "^4.0.1"
+    glob "^7.1.1"
+    js-yaml "^3.13.1"
+    minimatch "^3.0.4"
+    mkdirp "^0.5.1"
+    resolve "^1.3.2"
+    semver "^5.3.0"
+    tslib "^1.8.0"
+    tsutils "^2.29.0"
+
+tsutils@^2.29.0:
+  version "2.29.0"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.29.0.tgz#32b488501467acbedd4b85498673a0812aca0b99"
+  integrity sha512-g5JVHCIJwzfISaXpXE1qvNalca5Jwob6FjI4AoPlqMusJ6ftFE7IkkFoMhVLRgK+4Kx3gkzb8UZK5t5yTTvEmA==
+  dependencies:
+    tslib "^1.8.1"
+
+type-is@~1.6.17, type-is@~1.6.18:
+  version "1.6.18"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
+  integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.24"
+
+typescript@^3.6.4:
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
+  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+
+unpipe@1.0.0, unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
+
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
+
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=