From 5616f3c4554c9d56dcb5da84d10358d2dd4f5b76 Mon Sep 17 00:00:00 2001
From: cgewecke <christophergewecke@gmail.com>
Date: Tue, 13 Aug 2019 10:39:18 -0700
Subject: [PATCH] Working truffle plugin draft w/ integration tests

---
 dist/truffle.plugin.js                        |  119 +-
 lib/app.js                                    |  237 +-
 lib/collector.js                              |   40 +-
 lib/coverage.js                               |   40 +-
 lib/injector.js                               |    6 +-
 lib/instrumenter.js                           |    2 +-
 package.json                                  |    9 +-
 temp/.solcover.js                             |    3 +
 temp/assets/SimpleError.sol                   |   14 +
 temp/assets/asset.js                          |    1 +
 temp/contracts/Migrations.sol                 |   25 +
 .../contracts/SimpleError.sol                 |    0
 temp/migrations/1_initial.js                  |    4 +
 temp/migrations/2_deploy.js                   |    4 +
 temp/test/simple.js                           |   10 +
 temp/truffle-config.js                        |   86 +
 .../truffle/contracts/Migrations.sol          |    2 +-
 .../truffle/migrations/1_initial.js           |    4 +
 test/sources/js/block-gas-limit.js            |    5 +-
 test/sources/js/oraclize.js                   |    9 +-
 test/sources/js/requires-externally.js        |   17 -
 test/sources/js/sign.js                       |   31 -
 test/sources/js/simple.js                     |   15 +-
 test/sources/js/testrpc-options.js            |   13 +-
 .../{errors => contracts/app}/Oraclize.sol    |    0
 .../solidity/contracts/app/SimpleError.sol    |    6 +
 test/units/app.js                             |  286 +-
 test/units/assert.js                          |   25 +-
 test/units/function.js                        |   22 +-
 test/units/if.js                              |    2 +-
 test/units/loops.js                           |    2 +-
 test/units/statements.js                      |    4 +-
 test/util/integration.truffle.js              |  172 +
 test/util/mock.truffle.js                     |  121 -
 test/util/util.js                             |   78 +-
 yarn.lock                                     | 4213 ++++++++++++++++-
 36 files changed, 4903 insertions(+), 724 deletions(-)
 create mode 100644 temp/.solcover.js
 create mode 100644 temp/assets/SimpleError.sol
 create mode 100644 temp/assets/asset.js
 create mode 100644 temp/contracts/Migrations.sol
 rename test/sources/solidity/errors/compilation-error.sol => temp/contracts/SimpleError.sol (100%)
 create mode 100644 temp/migrations/1_initial.js
 create mode 100644 temp/migrations/2_deploy.js
 create mode 100644 temp/test/simple.js
 create mode 100644 temp/truffle-config.js
 delete mode 100644 test/sources/js/requires-externally.js
 delete mode 100644 test/sources/js/sign.js
 rename test/sources/solidity/{errors => contracts/app}/Oraclize.sol (100%)
 create mode 100644 test/sources/solidity/contracts/app/SimpleError.sol
 create mode 100644 test/util/integration.truffle.js
 delete mode 100644 test/util/mock.truffle.js

diff --git a/dist/truffle.plugin.js b/dist/truffle.plugin.js
index 70a4dfa..ee1f48a 100644
--- a/dist/truffle.plugin.js
+++ b/dist/truffle.plugin.js
@@ -27,71 +27,128 @@
 
 const App = require('./../lib/app');
 const req = require('req-cwd');
-
-module.exports = async (truffleConfig) =>
+const path = require('path');
+const dir = require('node-dir');
+const Web3 = require('web3');
+const util = require('util');
+const ganache = require('ganache-core-sc');
+
+module.exports = async function(truffleConfig){
+  let app;
   let error;
+  let testsErrored = false;
 
   try {
-
     // Load truffle lib & coverage config
     const truffle = loadTruffleLibrary();
-    const coverageConfig = req.silent('./.solcover.js') || {};
+
+    const coverageConfigPath = path.join(truffleConfig.working_directory, '.solcover.js');
+    const coverageConfig = req.silent(coverageConfigPath) || {};
+
+    coverageConfig.cwd = truffleConfig.working_directory;
+    coverageConfig.contractsDir = truffleConfig.contracts_directory;
 
     // Start
-    const app = new App(coverageConfig);
+    app = new App(coverageConfig);
 
     // Write instrumented sources to temp folder
-    app.contractsDirectory = coveragePaths.contracts(truffleConfig, app);
-    app.generateEnvironment(truffleConfig.contracts_directory, app.contractsDirectory);
     app.instrument();
 
-    // Have truffle use temp folders
-    truffleConfig.contracts_directory = app.contractsDirectory;
-    truffleConfig.build_directory = coveragePaths.artifacts.root(truffleConfig, app);
-    truffleConfig.contracts_build_directory = coveragePaths.artifacts.contracts(truffleConfig, app);
+    // Ask truffle to use temp folders
+    truffleConfig.contracts_directory = paths.contracts(app);
+    truffleConfig.build_directory = paths.build(app);
+    truffleConfig.contracts_build_directory = paths.artifacts(truffleConfig, app);
 
-    // Compile w/out optimization
-    truffleConfig.compilers.solc.settings.optimization.enabled = false;
+    // Additional config
+    truffleConfig.all = true;
+    truffleConfig.test_files = tests(truffleConfig);
+    truffleConfig.compilers.solc.settings.optimizer.enabled = false;
+
+    // Compile
     await truffle.contracts.compile(truffleConfig);
 
-    // Launch provider & run tests
-    truffleConfig.provider = await app.getCoverageProvider(truffle);
+    // Launch in-process provider
+    const networkName = 'soliditycoverage';
+    const provider = await app.provider(ganache);
+    const accounts = await (new Web3(provider)).eth.getAccounts();
+
+    truffleConfig.provider = provider;
+    truffleConfig.network = networkName;
+    truffleConfig.network_id = "*";
+    truffleConfig.networks[networkName] = {
+      network_id: truffleConfig.network_id,
+      provider: truffleConfig.provider,
+      gas: app.gasLimit,
+      gasPrice: app.gasPrice,
+      from: accounts[0]
+    }
+
+    // Run tests
     try {
-      await truffle.test.run(truffleConfig)
+      failures = await truffle.test.run(truffleConfig)
     } catch (e) {
-      error = e;
-      app.testsErrored = true;
+      error = e.stack;
     }
 
-    // Produce report
-    app.generateCoverage();
+    // Run Istanbul
+    await app.report();
 
   } catch(e){
     error = e;
   }
 
   // Finish
-  return app.cleanUp(error);
+  await app.cleanUp();
+
+  if (error !== undefined) throw new Error(error)
+  if (failures > 0) throw new Error(`${failures} test(s) failed under coverage.`)
 }
 
 // -------------------------------------- Helpers --------------------------------------------------
+
+function tests(truffle){
+  const regex = /.*\.(js|ts|es|es6|jsx|sol)$/;
+  const files = dir.files(truffle.test_directory, { sync: true }) || [];
+  return files.filter(f => f.match(regex) != null);
+}
+
+
 function loadTruffleLibrary(){
 
   try { return require("truffle") }   catch(err) {};
   try { return require("./truffle.library")} catch(err) {};
 
-  throw new Error(utils.errors.NO_TRUFFLE_LIB)
+  throw new Error('Missing truffle lib...')
 }
 
-const coveragePaths = {
-  contracts: (t, c) => path.join(path.dirname(t.contracts_directory), c.contractsDirName)),
-
-  artifacts: {
-    root:      (t, c) => path.join(path.dirname(t.build_directory), c.artifactsDirName),
-    contracts: (t, c) => {
-      const root = path.join(path.dirname(t.build_directory), c.artifactsDirName);
-      return path.join(root, path.basename(t.contracts_build_directory));
-    }
+/**
+ * Functions to generate substitute paths for instrumented contracts and artifacts.
+ * @type {Object}
+ */
+const paths = {
+  // "contracts_directory":
+  contracts: (app) => {
+     return path.join(
+      app.coverageDir,
+      app.contractsDirName
+    )
+  },
+
+  // "build_directory":
+  build: (app) => {
+    return path.join(
+      app.coverageDir,
+      app.artifactsDirName
+    )
+  },
+
+  // "contracts_build_directory":
+  artifacts: (truffle, app) => {
+    return path.join(
+      app.coverageDir,
+      app.artifactsDirName,
+      path.basename(truffle.contracts_build_directory)
+    )
   }
 }
 
diff --git a/lib/app.js b/lib/app.js
index edc0a55..d4e2624 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -2,15 +2,14 @@ const shell = require('shelljs');
 const fs = require('fs');
 const path = require('path');
 const istanbul = require('istanbul');
+const util = require('util');
 
 const Instrumenter = require('./instrumenter');
 const Coverage = require('./coverage');
+const DataCollector = require('./collector');
 
 const isWin = /^win/.test(process.platform);
 
-const gasLimitHex = 0xfffffffffff;               // High gas block limit / contract deployment limit
-const gasPriceHex = 0x01;                        // Low gas price
-
 /**
  * Coverage Runner
  */
@@ -18,73 +17,58 @@ class App {
   constructor(config) {
     this.coverage = new Coverage();
     this.instrumenter = new Instrumenter();
-    this.provider = config.provider;
+    this.config = config || {};
 
     // Options
-    this.silence = '';                           // Default log level (passed to shell)
-    this.log = config.logger || console.log;     // Configurable logging
+    this.testsErrored = false;
+
+    this.cwd = config.cwd;
+    this.tempFolderName = '.coverageEnv';
+    this.contractsDir = config.contractsDir
+    this.coverageDir = path.join(this.cwd, this.tempFolderName);
+    this.contractsDirName = 'contracts';
+    this.artifactsDirName = 'artifacts';
+
+    this.client = config.provider;
+    this.providerOptions = config.providerOptions || {};
 
-    // Other
-    this.testsErrored = false;                   // Toggle true when tests error
     this.skippedFolders = [];
+    this.skipFiles = config.skipFiles || [];
 
-    // Config
-    this.config = config || {};
-    this.contractsDir = config.contractsDir || 'contracts';
-    this.coverageDir = './.coverageEnv';         // Contracts dir of instrumented .sols
-    this.workingDir = config.dir || '.';         // Relative path to contracts folder
-    this.skipFiles = config.skipFiles || [];     // Files to exclude from instrumentation
+    this.log = config.logger || console.log;
     this.setLoggingLevel(config.silent);
-  }
 
-  // --------------------------------------  Methods ------------------------------------------------
+    this.gasLimit = 0xfffffffffff;
+    this.gasLimitString = "0xfffffffffff";
+    this.gasPrice = 0x01;
+  }
 
+  // --------------------------------------  Methods -----------------------------------------------
   /**
-   * Generates a copy of the target project configured for solidity-coverage and saves to
-   * the coverage environment folder.
-  */
-  generateCoverageEnvironment() {
-    this.log('Generating coverage environment');
+   * Setup temp folder, write instrumented contracts to it and register them as coverage targets
+   */
+  instrument() {
+    let currentFile;
 
     try {
       this.sanityCheckContext();
-      this.identifySkippedFolders();
+      this.registerSkippedItems();
+      this.generateEnvelope();
 
-      shell.mkdir(this.coverageDir);
+      const target = `${this.coverageDir}/**/*.sol`;
 
-      shell.cp('-Rf', this.contractsDir, this.coverageDir)
-
-    } catch (err) {
-      const msg = ('There was a problem generating the coverage environment: ');
-      this.cleanUp(msg + err);
-    }
-  }
-
-  /**
-   * For each contract except migrations.sol (or those in skipFiles):
-   * + Generate file path reference for coverage report
-   * + Load contract as string
-   * + Instrument contract
-   * + Save instrumented contract to a temp folder which will be the new 'contractsDir for tests'
-   * + Add instrumentation info to the coverage map
-   */
-
-  instrumentTarget() {
-    this.skipFiles = this.skipFiles.map(contract => `${this.coverageDir}/${contract}`);
-    this.skipFiles.push(`${this.coverageDir}/Migrations.sol`);
-
-    let currentFile;
-    try {
-      shell.ls(`${this.coverageDir}/**/*.sol`).forEach(file => {
+      shell.ls(target).forEach(file => {
         currentFile = file;
 
-        if (!this.skipFiles.includes(file) && !this.inSkippedFolder(file)) {
+        if (!this.shouldSkip(file)) {
           this.log('Instrumenting ', file);
 
           // Remember the real path
           const contractPath = this.platformNeutralPath(file);
-          const working = this.workingDir.substring(1);
-          const canonicalPath = contractPath.split('/coverageEnv').join(working);
+          const canonicalPath = path.join(
+            this.cwd,
+            contractPath.split(`/${this.tempFolderName}`)[1]
+          );
 
           // Instrument contract, save, add to coverage map
           const contract = this.loadContract(contractPath);
@@ -100,26 +84,39 @@ class App {
       const msg = `There was a problem instrumenting ${currentFile}: `;
       this.cleanUp(msg + err);
     }
+  }
+
+  /**
+   * Launch an in-process ethereum provider and hook up the DataCollector to its VM.
+   * @param  {Object} client ethereum client
+   * @return {Object}        provider
+   *
+   * TODO: generalize provider options setting for non-ganache clients..
+   */
+  provider(client){
+    if(!this.client) this.client = client;
+    this.collector = new DataCollector(this.instrumenter.instrumentationData);
+
+    this.providerOptions.gasLimit = this.gasLimitString;
+    this.providerOptions.allowUnlimitedContractSize = true;
+    this.providerOptions.logger = { log: this.collector.step.bind(this.collector) };
 
-    this.collector = new DataCollector(
-      this.provider,
-      this.instrumenter.intrumentationData
-    )
+    this.provider = this.client.provider(this.providerOptions);
+
+    return this.provider;
   }
 
   /**
    * Generate coverage / write coverage report / run istanbul
    */
-  async generateReport() {
+  async report() {
     const collector = new istanbul.Collector();
     const reporter = new istanbul.Reporter();
 
     return new Promise((resolve, reject) => {
       try {
-        const contractsPath = `${this.workingDir}/${this.config.contractsDir}`
-        this.coverage.generate(this.instrumenter.instrumentationData, contractsPath);
-
-        const relativeMapping = this.makeKeysRelative(this.coverage.data, this.workingDir);
+        this.coverage.generate(this.instrumenter.instrumentationData, this.contractsDir);
+        const relativeMapping = this.makeKeysRelative(this.coverage.data, this.cwd);
         this.saveCoverage(relativeMapping);
 
         collector.add(relativeMapping);
@@ -129,18 +126,39 @@ class App {
 
         reporter.write(collector, true, () => {
           this.log('Istanbul coverage reports generated');
-          this.cleanUp();
           resolve();
         });
       } catch (err) {
         const msg = 'There was a problem generating the coverage map / running Istanbul.\n';
         console.log(err.stack);
-        this.cleanUp(msg + err);
+        throw new Error(msg + err);
       }
     });
   }
 
+  /**
+   * Removes coverage build artifacts, kills testrpc.
+   * Exits (1) and prints msg on error, exits (0) otherwise.
+   * @param  {String} err error message
+   *
+   * TODO this needs to delegate process exit to the outer tool....
+   */
+  async cleanUp(err) {
+    const self = this;
+    this.log('Cleaning up...');
+    shell.config.silent = true;
+    shell.rm('-Rf', this.coverageDir);
+
+    if (this.provider && this.provider.close){
+      this.log('Shutting down ganache-core')
+      return new Promise(res => self.provider.close(res))
+    }
+  }
   // ------------------------------------------ Utils ----------------------------------------------
+
+  // ========
+  // File I/O
+  // ========
   loadContract(_path){
     return fs.readFileSync(_path).toString();
   }
@@ -149,29 +167,41 @@ class App {
     fs.writeFileSync(_path, contract);
   }
 
-  saveCoverage(coverageObject){
-    fs.writeFileSync('./coverage.json', JSON.stringify(coverageObject));
+  saveCoverage(data){
+    fs.writeFileSync('./coverage.json', JSON.stringify(data));
   }
 
-  sanityCheckContext(){
-    if (!shell.test('-e', `${this.workingDir}/contracts`)){
+  // ======
+  // Launch
+  // ======
+  sanityCheckContext(contractsDir){
+    if (!shell.test('-e', this.contractsDir)){
       this.cleanUp("Couldn't find a 'contracts' folder to instrument.");
     }
 
-    if (shell.test('-e', `${this.workingDir}/${this.coverageDir}`)){
+    if (shell.test('-e', path.join(this.cwd, this.coverageDir))){
       shell.rm('-Rf', this.coverageDir);
     }
   }
 
+  generateEnvelope(){
+    shell.mkdir(this.coverageDir);
+    shell.mkdir(path.join(this.coverageDir, this.artifactsDirName))
+    shell.cp('-Rf', this.contractsDir, this.coverageDir)
+  }
+
+  // =====
+  // Paths
+  // =====
   /**
    * Relativizes path keys so that istanbul report can be read on Windows
    * @param  {Object} map  coverage map generated by coverageMap
-   * @param  {[type]} root working directory
-   * @return {[type]}      map with relativized keys
+   * @param  {String} wd   working directory
+   * @return {Object}      map with relativized keys
    */
-  makeKeysRelative(map, root) {
+  makeKeysRelative(map, wd) {
     const newCoverage = {};
-    Object.keys(map).forEach(pathKey => newCoverage[path.relative(root, pathKey)] = map[pathKey]);
+    Object.keys(map).forEach(pathKey => newCoverage[path.relative(wd, pathKey)] = map[pathKey]);
     return newCoverage;
   }
 
@@ -186,6 +216,9 @@ class App {
       : path.resolve(file);
   }
 
+  // ========
+  // Skipping
+  // ========
   /**
    * Determines if a file is in a folder marked skippable.
    * @param  {String} file   file path
@@ -193,8 +226,9 @@ class App {
    */
   inSkippedFolder(file){
     let shouldSkip;
+    const root = `${this.coverageDir}/${this.contractsDirName}`;
     this.skippedFolders.forEach(folderToSkip => {
-      folderToSkip = `${this.coverageDir}/contracts/${folderToSkip}`;
+      folderToSkip = `${root}/${folderToSkip}`;
       if (file.indexOf(folderToSkip) === 0)
         shouldSkip = true;
     });
@@ -202,57 +236,38 @@ class App {
   }
 
   /**
-   * Helper for parsing the skipFiles option, which also accepts folders.
+   * Parses the skipFiles option (which also accepts folders)
    */
-  identifySkippedFolders(){
-    let files = shell.ls('-A', this.workingDir);
-
-    this.skipFiles.forEach(item => {
-      if (path.extname(item) !== '.sol')
-        this.skippedFolders.push(item);
-    });
+  registerSkippedItems(){
+    const root = `${this.coverageDir}/${this.contractsDirName}`;
+    this.skippedFolders = this.skipFiles.filter(item => path.extname(item) !== '.sol')
+    this.skipFiles = this.skipFiles.map(contract => `${root}/${contract}`);
+    this.skipFiles.push(`${root}/Migrations.sol`);
   }
 
   /**
-   * Allows config to turn logging off (for CI)
-   * @param {Boolean} isSilent
+   * Returns true when file should not be instrumented, false otherwise
+   * @param  {String} file path segment
+   * @return {Boolean}
    */
-  setLoggingLevel(isSilent) {
-    if (isSilent) {
-      this.silence = '> /dev/null 2>&1';
-      this.log = () => {};
-    }
+  shouldSkip(file){
+    return this.skipFiles.includes(file) || this.inSkippedFolder(file)
   }
 
-
-
+  // =======
+  // Logging
+  // =======
   /**
-   * Removes coverage build artifacts, kills testrpc.
-   * Exits (1) and prints msg on error, exits (0) otherwise.
-   * @param  {String} err error message
+   * Turn logging off (for CI)
+   * @param {Boolean} isSilent
+   *
+   * TODO: logic to toggle on/off (instead of just off)
    *
-   * TODO this needs to delegate process exit to the outer tool....
    */
-  cleanUp(err) {
-    const self = this;
-    function exit(err){
-      if (err) {
-        self.log(`${err}\nExiting without generating coverage...`);
-        process.exit(1);
-      } else if (self.testsErrored) {
-        self.log('Some truffle tests failed while running coverage');
-        process.exit(1);
-      } else {
-        self.log('Done.');
-        process.exit(0);
-      }
-    }
-
-    self.log('Cleaning up...');
-    shell.config.silent = true;
-    shell.rm('-Rf', self.coverageDir);
-    exit(err);
+  setLoggingLevel(isSilent) {
+    if (isSilent) this.log = () => {};
   }
+
 }
 
 module.exports = App;
diff --git a/lib/collector.js b/lib/collector.js
index dba2266..f052c50 100644
--- a/lib/collector.js
+++ b/lib/collector.js
@@ -1,39 +1,37 @@
 const web3Utils = require('web3-utils')
 
 class DataCollector {
-  constructor(config={}, instrumentationData={}){
+  constructor(instrumentationData={}){
     this.instrumentationData = instrumentationData;
-
-    this.vm = config.vmResolver
-      ? config.vmResolver(config.provider)
-      : this._ganacheVMResolver(config.provider);
-
-    this._connect();
   }
 
-  // Subscribes to vm.on('step').
-  _connect(){
+  step(info){
     const self = this;
-    this.vm.on("step", function(info){
+    if (typeof info !== 'object' || !info.opcode ) return;
 
-      if (info.opcode.name.includes("PUSH") && info.stack.length > 0){
-        const idx = info.stack.length - 1;
-        const hash = web3Utils.toHex(info.stack[idx]).toString();
+    if (info.opcode.name.includes("PUSH") && info.stack.length > 0){
+      const idx = info.stack.length - 1;
+      let hash = web3Utils.toHex(info.stack[idx]).toString();
+      hash = self._normalizeHash(hash);
 
-        if(self.instrumentationData[hash]){
-          self.instrumentationData[hash].hits++;
-        }
+      if(self.instrumentationData[hash]){
+        self.instrumentationData[hash].hits++;
       }
-    })
-  }
-
-  _ganacheVMResolver(provider){
-    return provider.engine.manager.state.blockchain.vm;
+    }
   }
 
   _setInstrumentationData(data){
     this.instrumentationData = data;
   }
+
+  _normalizeHash(hash){
+    if (hash.length < 66 && hash.length > 52){
+      hash = hash.slice(2);
+      while(hash.length < 64) hash = '0' + hash;
+      hash = '0x' + hash
+    }
+    return hash;
+  }
 }
 
 module.exports = DataCollector;
diff --git a/lib/coverage.js b/lib/coverage.js
index b2379a0..8d5d6a6 100644
--- a/lib/coverage.js
+++ b/lib/coverage.js
@@ -10,27 +10,19 @@ class Coverage {
   constructor() {
     this.data = {};
     this.assertData = {};
-    this.lineTopics = [];
-    this.functionTopics = [];
-    this.branchTopics = [];
-    this.statementTopics = [];
-    this.assertPreTopics = [];
-    this.assertPostTopics = [];
   }
 
   /**
-   * Initializes a coverage map object for contract
-   * + instrumented per `info`
-   * + located at `canonicalContractPath`
-   * @param {Object} info `info = getIntrumentedVersion(contract, fileName, true)`
-   * @param {String} canonicalContractPath path to contract file
-   * @return {Object} coverage map with all values set to zero
+   * Initializes an entry in the coverage map for an instrumented contract. Tracks by
+   * its canonical contract path, e.g. *not* by its location in the temp folder.
+   * @param {Object} info          'info = instrumenter.instrument(contract, fileName, true)'
+   * @param {String} contractPath   canonical path to contract file
    */
 
-  addContract(info, canonicalContractPath) {
-    this.data[canonicalContractPath] = {
+  addContract(info, contractPath) {
+    this.data[contractPath] = {
       l: {},
-      path: canonicalContractPath,
+      path: contractPath,
       s: {},
       b: {},
       f: {},
@@ -38,29 +30,29 @@ class Coverage {
       statementMap: {},
       branchMap: {},
     };
-    this.assertData[canonicalContractPath] = { };
+    this.assertData[contractPath] = { };
 
     info.runnableLines.forEach((item, idx) => {
-      this.data[canonicalContractPath].l[info.runnableLines[idx]] = 0;
+      this.data[contractPath].l[info.runnableLines[idx]] = 0;
     });
 
-    this.data[canonicalContractPath].fnMap = info.fnMap;
+    this.data[contractPath].fnMap = info.fnMap;
     for (let x = 1; x <= Object.keys(info.fnMap).length; x++) {
-      this.data[canonicalContractPath].f[x] = 0;
+      this.data[contractPath].f[x] = 0;
     }
 
-    this.data[canonicalContractPath].branchMap = info.branchMap;
+    this.data[contractPath].branchMap = info.branchMap;
     for (let x = 1; x <= Object.keys(info.branchMap).length; x++) {
-      this.data[canonicalContractPath].b[x] = [0, 0];
-      this.assertData[canonicalContractPath][x] = {
+      this.data[contractPath].b[x] = [0, 0];
+      this.assertData[contractPath][x] = {
         preEvents: 0,
         postEvents: 0,
       };
     }
 
-    this.data[canonicalContractPath].statementMap = info.statementMap;
+    this.data[contractPath].statementMap = info.statementMap;
     for (let x = 1; x <= Object.keys(info.statementMap).length; x++) {
-      this.data[canonicalContractPath].s[x] = 0;
+      this.data[contractPath].s[x] = 0;
     }
   }
 
diff --git a/lib/injector.js b/lib/injector.js
index eb7c0dc..434a399 100644
--- a/lib/injector.js
+++ b/lib/injector.js
@@ -10,9 +10,9 @@ class Injector {
   /**
    * Generates solidity statement to inject for line, stmt, branch, fn 'events'
    * @param  {String} memoryVariable
-   * @param  {String} hash  hash key to an instrumentationData entry (see _getHash)
-   * @param  {String} type  instrumentation type, e.g. line, statement
-  // @return {String}       ex: _sc_82e0891[0] = bytes32(0xdc08...08ed1); /* function */
+   * @param  {String} hash            hash key to an instrumentationData entry (see _getHash)
+   * @param  {String} type            instrumentation type, e.g. line, statement
+  // @return {String}          ex: _sc_82e0891[0] = bytes32(0xdc08...08ed1); /* function */
   _getInjectable(memoryVariable, hash, type){
     return `${memoryVariable}[0] = bytes32(${hash}); /* ${type} */ \n`;
   }
diff --git a/lib/instrumenter.js b/lib/instrumenter.js
index 27c893f..42b6a6e 100644
--- a/lib/instrumenter.js
+++ b/lib/instrumenter.js
@@ -62,7 +62,7 @@ class Instrumenter {
     // First, we run over the original contract to get the source mapping.
     let ast = SolidityParser.parse(contract.source, {range: true});
     parse[ast.type](contract, ast);
-    const retValue = JSON.parse(JSON.stringify(contract)); // ?????
+    const retValue = JSON.parse(JSON.stringify(contract)); // Possibly apotropaic.
 
     // Now, we reset almost everything and use the preprocessor to increase our effectiveness.
     this._initializeCoverageFields(contract);
diff --git a/package.json b/package.json
index faf3de8..d784160 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "test": "test"
   },
   "scripts": {
-    "test": "mocha test/units --timeout 70000 --no-warnings",
+    "test": "mocha test/units --timeout 70000 --no-warnings --exit",
     "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- test/units --timeout 70000 --exit"
   },
   "homepage": "https://github.com/sc-forks/solidity-coverage",
@@ -20,21 +20,24 @@
   "license": "ISC",
   "dependencies": {
     "death": "^1.1.0",
-    "ganache-cli": "^6.5.0",
+    "ganache-core-sc": "2.7.0-sc.0",
     "istanbul": "^0.4.5",
+    "node-dir": "^0.1.17",
     "req-cwd": "^1.0.1",
     "sha1": "^1.1.1",
     "shelljs": "^0.8.3",
     "solidity-parser-antlr": "^0.4.7",
+    "web3": "1.2.1",
     "web3-utils": "^1.0.0"
   },
   "devDependencies": {
     "@nomiclabs/buidler": "^1.0.0-beta.8",
     "@nomiclabs/buidler-truffle5": "^1.0.0-beta.8",
     "@nomiclabs/buidler-web3": "^1.0.0-beta.8",
+    "decache": "^4.5.1",
     "mocha": "5.2.0",
     "solc": "^0.5.10",
     "truffle": "^5.0.31",
-    "web3": "1.0.0-beta.37"
+    "truffle-config": "^1.1.18"
   }
 }
diff --git a/temp/.solcover.js b/temp/.solcover.js
new file mode 100644
index 0000000..e9f4ba5
--- /dev/null
+++ b/temp/.solcover.js
@@ -0,0 +1,3 @@
+module.exports = {
+ "silent": true
+}
\ No newline at end of file
diff --git a/temp/assets/SimpleError.sol b/temp/assets/SimpleError.sol
new file mode 100644
index 0000000..56d257e
--- /dev/null
+++ b/temp/assets/SimpleError.sol
@@ -0,0 +1,14 @@
+// This contract should throw a parse error in instrumentSolidity.js
+pragma solidity ^0.5.0;
+
+contract SimpleError {
+    uint x = 0;
+
+    function test(uint val) public {
+        x = x + val // <-- no semi-colon
+    }
+
+    function getX() public returns (uint){
+        return x;
+    }
+}
diff --git a/temp/assets/asset.js b/temp/assets/asset.js
new file mode 100644
index 0000000..c961045
--- /dev/null
+++ b/temp/assets/asset.js
@@ -0,0 +1 @@
+module.exports = { value: true };
diff --git a/temp/contracts/Migrations.sol b/temp/contracts/Migrations.sol
new file mode 100644
index 0000000..ea6b613
--- /dev/null
+++ b/temp/contracts/Migrations.sol
@@ -0,0 +1,25 @@
+pragma solidity >=0.4.22 <0.6.0;
+
+
+contract Migrations {
+  address public owner;
+
+  uint public last_completed_migration;
+
+  modifier restricted() {
+    if (msg.sender == owner) { _; }
+  }
+
+  constructor() public {
+    owner = msg.sender;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+
+  function upgrade(address new_address) public restricted {
+    Migrations upgraded = Migrations(new_address);
+    upgraded.setCompleted(last_completed_migration);
+  }
+}
diff --git a/test/sources/solidity/errors/compilation-error.sol b/temp/contracts/SimpleError.sol
similarity index 100%
rename from test/sources/solidity/errors/compilation-error.sol
rename to temp/contracts/SimpleError.sol
diff --git a/temp/migrations/1_initial.js b/temp/migrations/1_initial.js
new file mode 100644
index 0000000..cd29782
--- /dev/null
+++ b/temp/migrations/1_initial.js
@@ -0,0 +1,4 @@
+const Migrations = artifacts.require('./Migrations.sol');
+module.exports = async function(deployer) {
+  await deployer.deploy(Migrations);
+};
diff --git a/temp/migrations/2_deploy.js b/temp/migrations/2_deploy.js
new file mode 100644
index 0000000..38beac0
--- /dev/null
+++ b/temp/migrations/2_deploy.js
@@ -0,0 +1,4 @@
+
+    const A = artifacts.require("SimpleError");
+    module.exports = function(deployer) { deployer.deploy(A) };
+  
\ No newline at end of file
diff --git a/temp/test/simple.js b/temp/test/simple.js
new file mode 100644
index 0000000..1228193
--- /dev/null
+++ b/temp/test/simple.js
@@ -0,0 +1,10 @@
+const Simple = artifacts.require('Simple');
+
+contract('Simple', () => {
+  it('should set x to 5', async function(){
+    const simple = await Simple.deployed()
+    await simple.test(5);
+    const val = await simple.getX.call();
+    assert.equal(val.toNumber(), 5);
+  });
+});
diff --git a/temp/truffle-config.js b/temp/truffle-config.js
new file mode 100644
index 0000000..a07d6bc
--- /dev/null
+++ b/temp/truffle-config.js
@@ -0,0 +1,86 @@
+module.exports = {
+ "_deepCopy": [
+  "compilers"
+ ],
+ "_values": {
+  "truffle_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/node_modules",
+  "working_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage",
+  "networks": {},
+  "verboseRpc": false,
+  "gas": null,
+  "gasPrice": null,
+  "from": null,
+  "confirmations": 0,
+  "timeoutBlocks": 0,
+  "production": false,
+  "skipDryRun": false,
+  "build": null,
+  "resolver": null,
+  "artifactor": null,
+  "ethpm": {
+   "ipfs_host": "ipfs.infura.io",
+   "ipfs_protocol": "https",
+   "registry": "0x8011df4830b4f696cd81393997e5371b93338878",
+   "install_provider_uri": "https://ropsten.infura.io/truffle"
+  },
+  "compilers": {
+   "solc": {
+    "settings": {
+     "optimizer": {
+      "enabled": false,
+      "runs": 200
+     }
+    }
+   },
+   "vyper": {}
+  },
+  "logger": {}
+ },
+ "truffle_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/node_modules",
+ "working_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/temp",
+ "networks": {
+  "development": {
+   "host": "localhost",
+   "port": 8545,
+   "network_id": "*"
+  }
+ },
+ "verboseRpc": false,
+ "build": null,
+ "resolver": null,
+ "artifactor": null,
+ "ethpm": {
+  "ipfs_host": "ipfs.infura.io",
+  "ipfs_protocol": "https",
+  "registry": "0x8011df4830b4f696cd81393997e5371b93338878",
+  "install_provider_uri": "https://ropsten.infura.io/truffle"
+ },
+ "logger": {},
+ "compilers": {
+  "solc": {
+   "version": "0.5.3",
+   "settings": {
+    "optimizer": {}
+   }
+  }
+ },
+ "build_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/temp/build",
+ "contracts_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/temp/contracts",
+ "contracts_build_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/temp/build/contracts",
+ "migrations_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/temp/migrations",
+ "migrations_file_extension_regexp": {},
+ "test_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/temp/test",
+ "test_file_extension_regexp": {},
+ "example_project_directory": "/Users/cgewecke/code/sc-forks/v2/solidity-coverage/node_modules/example",
+ "network_id": null,
+ "from": null,
+ "gas": 6721975,
+ "gasPrice": 20000000000,
+ "provider": null,
+ "confirmations": 0,
+ "production": false,
+ "timeoutBlocks": 0,
+ "mocha": {
+  "reporter": "dot"
+ }
+}
\ No newline at end of file
diff --git a/test/integration/truffle/contracts/Migrations.sol b/test/integration/truffle/contracts/Migrations.sol
index 2dcecea..ea6b613 100644
--- a/test/integration/truffle/contracts/Migrations.sol
+++ b/test/integration/truffle/contracts/Migrations.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.5.0;
+pragma solidity >=0.4.22 <0.6.0;
 
 
 contract Migrations {
diff --git a/test/integration/truffle/migrations/1_initial.js b/test/integration/truffle/migrations/1_initial.js
index e69de29..cd29782 100644
--- a/test/integration/truffle/migrations/1_initial.js
+++ b/test/integration/truffle/migrations/1_initial.js
@@ -0,0 +1,4 @@
+const Migrations = artifacts.require('./Migrations.sol');
+module.exports = async function(deployer) {
+  await deployer.deploy(Migrations);
+};
diff --git a/test/sources/js/block-gas-limit.js b/test/sources/js/block-gas-limit.js
index f36e328..8256c0f 100644
--- a/test/sources/js/block-gas-limit.js
+++ b/test/sources/js/block-gas-limit.js
@@ -1,9 +1,10 @@
-/* eslint-env node, mocha */
-/* global artifacts, contract */
 const Expensive = artifacts.require('./Expensive.sol');
 
 contract('Expensive', () => {
   it('should deploy', async () => {
     const instance = await Expensive.new()
+    const hash = instance.transactionHash;
+    const receipt = await web3.eth.getTransactionReceipt(hash);
+    assert(receipt.gasUsed > 20000000)
   });
 });
diff --git a/test/sources/js/oraclize.js b/test/sources/js/oraclize.js
index 994d5e9..c18ebc5 100644
--- a/test/sources/js/oraclize.js
+++ b/test/sources/js/oraclize.js
@@ -1,10 +1,9 @@
-/* eslint-env node, mocha */
-/* global artifacts, contract, assert */
 const usingOraclize = artifacts.require('usingOraclize');
 
-contract('Nothing', () => {
-  it('nothing', async () => {
+contract('Oraclize', function(accounts){
+  it('oraclize', async function(){
     const ora = await usingOraclize.new();
     await ora.test();
   });
-});
\ No newline at end of file
+});
+
diff --git a/test/sources/js/requires-externally.js b/test/sources/js/requires-externally.js
deleted file mode 100644
index 911601f..0000000
--- a/test/sources/js/requires-externally.js
+++ /dev/null
@@ -1,17 +0,0 @@
-/* eslint-env node, mocha */
-/* global artifacts, contract, assert */
-
-const asset = require('../assets/asset.js');
-
-const Simple = artifacts.require('./Simple.sol');
-
-contract('Simple', () => {
-  it('should be able to require an external asset', () => {
-    let simple;
-    return Simple.deployed().then(instance => {
-      simple = instance;
-      assert.equal(asset.value, true);
-      return simple.test(5); // Make sure we generate an event;
-    });
-  });
-});
\ No newline at end of file
diff --git a/test/sources/js/sign.js b/test/sources/js/sign.js
deleted file mode 100644
index 1f43e31..0000000
--- a/test/sources/js/sign.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/* eslint-env node, mocha */
-/* global artifacts, contract, assert */
-
-const ethUtil = require('ethereumjs-util');
-
-const Simple = artifacts.require('./Simple.sol');
-
-contract('Simple', accounts => {
-  it('should set x to 5', () => {
-    let simple;
-    let messageSha3;
-    return Simple.deployed()
-        .then(instance => instance.test(5)) // We need this line to generate some coverage
-        .then(() => {
-          const message = 'Enclosed is my formal application for permanent residency in New Zealand';
-          messageSha3 = web3.utils.sha3(message);
-          const signature = web3.eth.sign(messageSha3, accounts[0]);
-          return signature;
-        })
-        .then((signature) => {
-          const messageBuffer = new Buffer(messageSha3.replace('0x', ''), 'hex');
-          const messagePersonalHash = ethUtil.hashPersonalMessage(messageBuffer);
-
-          const sigParams = ethUtil.fromRpcSig(signature);
-          const publicKey = ethUtil.ecrecover(messagePersonalHash, sigParams.v, sigParams.r, sigParams.s);
-          const senderBuffer = ethUtil.pubToAddress(publicKey);
-          const sender = ethUtil.bufferToHex(senderBuffer);
-          assert.equal(sender, accounts[0].toLowerCase());
-        });
-  });
-});
\ No newline at end of file
diff --git a/test/sources/js/simple.js b/test/sources/js/simple.js
index 86bdcb8..1228193 100644
--- a/test/sources/js/simple.js
+++ b/test/sources/js/simple.js
@@ -1,13 +1,10 @@
-const Simple = artifacts.require('./Simple.sol');
+const Simple = artifacts.require('Simple');
 
 contract('Simple', () => {
-  it('should set x to 5', () => {
-    let simple;
-    return Simple.deployed().then(instance => {
-      simple = instance;
-      return simple.test(5);
-    })
-    .then(() => simple.getX.call())
-    .then(val => assert.equal(val.toNumber(), 5));
+  it('should set x to 5', async function(){
+    const simple = await Simple.deployed()
+    await simple.test(5);
+    const val = await simple.getX.call();
+    assert.equal(val.toNumber(), 5);
   });
 });
diff --git a/test/sources/js/testrpc-options.js b/test/sources/js/testrpc-options.js
index 3266a4b..b211230 100644
--- a/test/sources/js/testrpc-options.js
+++ b/test/sources/js/testrpc-options.js
@@ -1,12 +1,11 @@
-/* eslint-env node, mocha */
-/* global artifacts, contract, assert */
-
 const Simple = artifacts.require('./Simple.sol');
 
 contract('Simple', accounts => {
-  // Crash truffle if the account loaded in the options string isn't found here.
-  it('should load with expected account', () => {
-    assert(accounts[0] === '0xA4860CEDd5143Bd63F347CaB453Bf91425f8404f');
+
+  it('should load with ~ expected balance', async function(){
+    let balance = await web3.eth.getBalance(accounts[0]);
+    balance = web3.utils.fromWei(balance);
+    assert(parseInt(balance) >= 776)
   });
 
   // Generate some coverage so the script doesn't exit(1) because there are no events
@@ -19,4 +18,4 @@ contract('Simple', accounts => {
     .then(() => simple.getX.call())
     .then(val => assert.equal(val.toNumber(), 5));
   });
-});
\ No newline at end of file
+});
diff --git a/test/sources/solidity/errors/Oraclize.sol b/test/sources/solidity/contracts/app/Oraclize.sol
similarity index 100%
rename from test/sources/solidity/errors/Oraclize.sol
rename to test/sources/solidity/contracts/app/Oraclize.sol
diff --git a/test/sources/solidity/contracts/app/SimpleError.sol b/test/sources/solidity/contracts/app/SimpleError.sol
new file mode 100644
index 0000000..8bd281a
--- /dev/null
+++ b/test/sources/solidity/contracts/app/SimpleError.sol
@@ -0,0 +1,6 @@
+pragma solidity ^0.5.0;
+
+contract Test { 
+    address a;
+    address a;   
+}
\ No newline at end of file
diff --git a/test/units/app.js b/test/units/app.js
index 08d028c..9ef7bea 100644
--- a/test/units/app.js
+++ b/test/units/app.js
@@ -1,12 +1,14 @@
-/* eslint-env node, mocha */
-
 const assert = require('assert');
-const shell = require('shelljs');
 const fs = require('fs');
-const childprocess = require('child_process');
-const mock = require('../util/mockTruffle.js');
-
-// shell.test alias for legibility
+const shell = require('shelljs');
+const mock = require('../util/integration.truffle');
+const plugin = require('../../dist/truffle.plugin');
+const util = require('util')
+const opts = { compact: false, depth: 5, breakLength: 80 };
+
+// =======
+// Helpers
+// =======
 function pathExists(path) { return shell.test('-e', path); }
 
 function assertCleanInitialState(){
@@ -15,114 +17,73 @@ function assertCleanInitialState(){
 }
 
 function assertCoverageGenerated(){
-  assert(pathExists('./coverage') === true, 'script should gen coverage folder');
-  assert(pathExists('./coverage.json') === true, 'script should gen coverage.json');
+  assert(pathExists('./coverage') === true, 'should gen coverage folder');
+  assert(pathExists('./coverage.json') === true, 'should gen coverage.json');
 }
 
 function assertCoverageNotGenerated(){
-  assert(pathExists('./coverage') !== true, 'script should NOT gen coverage folder');
-  assert(pathExists('./coverage.json') !== true, 'script should NOT gen coverage.json');
+  assert(pathExists('./coverage') !== true, 'should NOT gen coverage folder');
+  assert(pathExists('./coverage.json') !== true, 'should NOT gen coverage.json');
 }
 
-function assertExecutionSucceeds(){
-
+function getOutput(){
+  return JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
 }
 
-function assertExecutionFails(){
+// ========
+// Tests
+// ========
+describe('app', function() {
+  let truffleConfig;
+  let solcoverConfig;
 
-}
+  beforeEach(() => {
+    mock.clean();
+    truffleConfig = mock.getDefaultTruffleConfig();
+    solcoverConfig = {};
+
+    if (process.env.SILENT)
+      solcoverConfig.silent = true;
+  })
 
-describe.skip('app', function() {
-  afterEach(() => mock.remove());
+  //afterEach(() => mock.clean());
 
-  it('simple contract: should generate coverage, cleanup & exit(0)', () => {
+  it('simple contract: should generate coverage, cleanup & exit(0)', async function(){
     assertCleanInitialState();
 
-    // Run script (exits 0);
-    mock.install('Simple.sol', 'simple.js', config);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+    mock.install('Simple', 'simple.js', solcoverConfig);
+    await plugin(truffleConfig);
 
     assertCoverageGenerated();
 
-    // Coverage should be real.
-    // This test is tightly bound to the function names in Simple.sol
-    const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
-    const path = Object.keys(produced)[0];
-    assert(produced[path].fnMap['1'].name === 'test', 'coverage.json should map "test"');
-    assert(produced[path].fnMap['2'].name === 'getX', 'coverage.json should map "getX"');
+    const output = getOutput();
+    const path = Object.keys(output)[0];
 
+    assert(output[path].fnMap['1'].name === 'test', 'coverage.json missing "test"');
+    assert(output[path].fnMap['2'].name === 'getX', 'coverage.json missing "getX"');
   });
 
-  it('config with testrpc options string: should generate coverage, cleanup & exit(0)', () => {
-
-    const privateKey = '0x3af46c9ac38ee1f01b05f9915080133f644bf57443f504d339082cb5285ccae4';
-    const balance = '0xfffffffffffffff';
-    const testConfig = Object.assign({}, config);
-
-    testConfig.testrpcOptions = `--account="${privateKey},${balance}" --port 8777`;
-    testConfig.dir = './mock';
-    testConfig.norpc = false;
-    testConfig.port = 8777;
-
-    // Installed test will process.exit(1) and crash truffle if the test isn't
-    // loaded with the account specified above
-    mock.install('Simple.sol', 'testrpc-options.js', testConfig);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+  // Truffle test asserts balance is 777 ether
+  it('config with providerOptions', async function() {
+    solcoverConfig.providerOptions = { default_balance_ether: 777 }
 
+    mock.install('Simple', 'testrpc-options.js', solcoverConfig);
+    await plugin(truffleConfig);
   });
 
-  it('config with test command options string: should run test', () => {
-    assert(pathExists('./allFiredEvents') === false, 'should start without: events log');
-    const testConfig = Object.assign({}, config);
-
-    testConfig.testCommand = 'mocha --timeout 5000';
-    testConfig.dir = './mock';
-    testConfig.norpc = false;
-    testConfig.port = 8888;
-
-    // Installed test will write a fake allFiredEvents to ./ after 4000ms
-    // allowing test to pass
-    mock.install('Simple.sol', 'command-options.js', testConfig);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
-
-  });
-
-  it('Oraclize @ solc v.0.4.24 (large, many unbracketed statements)', () => {
-    const trufflejs =
-    `module.exports = {
-      networks: {
-        coverage: {
-          host: "localhost",
-          network_id: "*",
-          port: 8555,
-          gas: 0xfffffffffff,
-          gasPrice: 0x01
-        },
-      },
-      compilers: {
-        solc: {
-          version: "0.4.24",
-        }
-      }
-    };`;
-
+  it('large contract with many unbracketed statements (time check)', async function() {
     assertCleanInitialState();
 
-    // Run script (exits 0);
-    mock.install('Oraclize.sol', 'oraclize.js', config, trufflejs, null, true);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+    truffleConfig.compilers.solc.version = "0.4.24";
 
+    mock.install('Oraclize', 'oraclize.js', solcoverConfig, truffleConfig, true);
+    await plugin(truffleConfig);
   });
 
-  it('tests use pure and view modifiers, including with libraries', () => {
+  it.skip('with pure and view modifiers and libraries', () => {
     assertCleanInitialState();
 
-    // Run script (exits 0);
-    mock.installLibraryTest(config);
+    mock.installDouble(config);
     shell.exec(script);
     assert(shell.error() === null, 'script should not error');
 
@@ -132,139 +93,122 @@ describe.skip('app', function() {
     // This test is tightly bound to the function names in TotallyPure.sol
     const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
     const path = Object.keys(produced)[0];
-    assert(produced[path].fnMap['1'].name === 'usesThem', 'coverage.json should map "usesThem"');
-    assert(produced[path].fnMap['2'].name === 'isPure', 'coverage.json should map "getX"');
+    assert(produced[path].fnMap['1'].name === 'usesThem', 'should map "usesThem"');
+    assert(produced[path].fnMap['2'].name === 'isPure', 'should map "getX"');
 
   });
 
-  it('tests require assets outside of test folder: should generate coverage, cleanup & exit(0)', () => {
+  it('contract only uses ".call"', async function(){
     assertCleanInitialState();
 
-    // Run script (exits 0);
-    mock.install('Simple.sol', 'requires-externally.js', config);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+    mock.install('OnlyCall', 'only-call.js', solcoverConfig);
+    await plugin(truffleConfig);
 
     assertCoverageGenerated();
 
-    // Coverage should be real.
-    // This test is tightly bound to the function names in Simple.sol
-    const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
-    const path = Object.keys(produced)[0];
-    assert(produced[path].fnMap['1'].name === 'test', 'coverage.json should map "test"');
-    assert(produced[path].fnMap['2'].name === 'getX', 'coverage.json should map "getX"');
-
+    const output = getOutput();
+    const path = Object.keys(output)[0];
+    assert(output[path].fnMap['1'].name === 'addTwo', 'cov should map "addTwo"');
   });
 
-  it('contract only uses .call: should generate coverage, cleanup & exit(0)', () => {
+  it('contract sends / transfers to instrumented fallback', async function(){
     assertCleanInitialState();
 
-    mock.install('OnlyCall.sol', 'only-call.js', config);
-
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+    mock.install('Wallet', 'wallet.js', solcoverConfig);
+    await plugin(truffleConfig);
 
     assertCoverageGenerated();
 
-    const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
-    const path = Object.keys(produced)[0];
-    assert(produced[path].fnMap['1'].name === 'addTwo', 'coverage.json should map "addTwo"');
-
+    const output = getOutput();
+    const path = Object.keys(output)[0];
+    assert(output[path].fnMap['1'].name === 'transferPayment', 'cov should map "transferPayment"');
   });
 
-  it('contract sends / transfers to instrumented fallback: coverage, cleanup & exit(0)', () => {
+  it('contracts are skipped', async function() {
     assertCleanInitialState();
 
-    mock.install('Wallet.sol', 'wallet.js', config);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+    solcoverConfig.skipFiles = ['Owned.sol'];
 
-    assertCoverageGenerated();
+    mock.installDouble(['Proxy', 'Owned'], 'inheritance.js', solcoverConfig);
+    await plugin(truffleConfig);
 
-    const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
-    const path = Object.keys(produced)[0];
-    assert(produced[path].fnMap['1'].name === 'transferPayment', 'should map "transferPayment"');
+    assertCoverageGenerated();
 
+    const output = getOutput();
+    const firstKey = Object.keys(output)[0];
+    assert(Object.keys(output).length === 1, 'Wrong # of contracts covered');
+    assert(firstKey.substr(firstKey.length - 9) === 'Proxy.sol', 'Wrong contract covered');
   });
 
-  it('contract uses inheritance: should generate coverage, cleanup & exit(0)', () => {
+  it('contract uses inheritance', async function() {
     assertCleanInitialState();
 
-    mock.installInheritanceTest(config);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+    mock.installDouble(['Proxy', 'Owned'], 'inheritance.js', solcoverConfig);
+    await plugin(truffleConfig);
 
     assertCoverageGenerated();
 
-    const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
-    const ownedPath = Object.keys(produced)[0];
-    const proxyPath = Object.keys(produced)[1];
-    assert(produced[ownedPath].fnMap['1'].name === 'constructor', 'coverage.json should map "constructor"');
-    assert(produced[proxyPath].fnMap['1'].name === 'isOwner', 'coverage.json should map "isOwner"');
+    const output = getOutput();
+    const ownedPath = Object.keys(output)[0];
+    const proxyPath = Object.keys(output)[1];
+    assert(output[ownedPath].fnMap['1'].name === 'constructor', '"constructor" not covered');
+    assert(output[proxyPath].fnMap['1'].name === 'isOwner', '"isOwner" not covered');
   });
 
-  it('contracts are skipped: should generate coverage, cleanup & exit(0)', () => {
+  // Simple.sol with a failing assertion in a truffle test
+  it('truffle tests failing', async function() {
     assertCleanInitialState();
 
-    const testConfig = Object.assign({}, config);
+    mock.install('Simple', 'truffle-test-fail.js', solcoverConfig);
 
-    testConfig.skipFiles = ['Owned.sol'];
-    mock.installInheritanceTest(testConfig);
-
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+    try {
+      await plugin(truffleConfig);
+      assert.fail()
+    } catch(err){
+      assert(err.message.includes('failed under coverage'));
+    }
 
     assertCoverageGenerated();
 
-    const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
-    const firstKey = Object.keys(produced)[0];
-    assert(Object.keys(produced).length === 1, 'coverage.json should only contain instrumentation for one contract');
-    assert(firstKey.substr(firstKey.length - 9) === 'Proxy.sol', 'coverage.json should only contain instrumentation for Proxy.sol');
+    const output = getOutput();
+    const path = Object.keys(output)[0];
 
+    assert(output[path].fnMap['1'].name === 'test', 'cov missing "test"');
+    assert(output[path].fnMap['2'].name === 'getX', 'cov missing "getX"');
   });
 
-  it('truffle tests failing: should generate coverage, cleanup & exit(1)', () => {
-    assertCleanInitialState();
-
-    // Run with Simple.sol and a failing assertion in a truffle test
-    mock.install('Simple.sol', 'truffle-test-fail.js', config);
-    shell.exec(script);
-    assert(shell.error() !== null, 'script should exit 1');
-
-    assertCoverageGenerated();
-
-    const produced = JSON.parse(fs.readFileSync('./coverage.json', 'utf8'));
-    const path = Object.keys(produced)[0];
-    assert(produced[path].fnMap['1'].name === 'test', 'coverage.json should map "test"');
-    assert(produced[path].fnMap['2'].name === 'getX', 'coverage.json should map "getX"');
-
+  // Truffle test asserts deployment cost is greater than 20,000,000 gas
+  it('deployment cost > block gasLimit', async function() {
+    mock.install('Expensive', 'block-gas-limit.js', solcoverConfig);
+    await plugin(truffleConfig);
   });
 
-  it('deployment cost > block gasLimit: should generate coverage, cleanup & exit(0)', () => {
-    // Just making sure Expensive.sol compiles and deploys here.
-    mock.install('Expensive.sol', 'block-gas-limit.js', config);
-    shell.exec(script);
-    assert(shell.error() === null, 'script should not error');
+  // Truffle test contains syntax error
+  it('truffle crashes', async function() {
+    assertCleanInitialState();
 
+    mock.install('Simple', 'truffle-crash.js', solcoverConfig);
+    try {
+      await plugin(truffleConfig);
+      assert.fail()
+    } catch(err){
+      assert(err.message.includes('SyntaxError'));
+    }
   });
 
-  it('truffle crashes: should generate NO coverage, cleanup and exit(1)', () => {
+  // Solidity syntax errors
+  it('compilation failure', async function(){
     assertCleanInitialState();
 
-    // Run with Simple.sol and a syntax error in the truffle test
-    mock.install('Simple.sol', 'truffle-crash.js', config);
-    shell.exec(script);
-    assert(shell.error() !== null, 'script should error');
-    assertCoverageNotGenerated();
-  });
+    mock.install('SimpleError', 'simple.js', solcoverConfig);
 
-  it('instrumentation errors: should generate NO coverage, cleanup and exit(1)', () => {
-    assertCleanInitialState();
+    try {
+      await plugin(truffleConfig);
+      assert.fail()
+    } catch(err){
+      assert(err.message.includes('Compilation failed'));
+    }
 
-    // Run with SimpleError.sol (has syntax error) and working truffle test
-    mock.install('SimpleError.sol', 'simple.js', config);
-    shell.exec(script);
-    assert(shell.error() !== null, 'script should error');
     assertCoverageNotGenerated();
   });
 
diff --git a/test/units/assert.js b/test/units/assert.js
index dfe9dfe..ecb2c88 100644
--- a/test/units/assert.js
+++ b/test/units/assert.js
@@ -1,7 +1,7 @@
 const assert = require('assert');
 const util = require('./../util/util.js');
 
-const ganache = require('ganache-cli');
+const ganache = require('ganache-core-sc');
 const Coverage = require('./../../lib/coverage');
 
 describe('asserts and requires', () => {
@@ -9,7 +9,7 @@ describe('asserts and requires', () => {
   let provider;
   let collector;
 
-  before(async () => ({ provider, collector } = await util.initializeProvider(ganache)));
+  before(() => ({ provider, collector } = util.initializeProvider(ganache)));
   beforeEach(() => coverage = new Coverage());
   after((done) => provider.close(done));
 
@@ -33,6 +33,8 @@ describe('asserts and requires', () => {
     });
   });
 
+  // NB: Truffle replays failing txs as .calls to obtain the revert reason from the return
+  // data. Hence the 2X measurements.
   it('should cover assert statements as `if` statements when they fail', async function() {
     const contract = await util.bootstrapCoverage('assert/Assert', provider, collector);
     coverage.addContract(contract.instrumented, util.filePath);
@@ -40,18 +42,17 @@ describe('asserts and requires', () => {
     try { await contract.instance.a(false) } catch(err) { /* Invalid opcode */ }
 
     const mapping = coverage.generate(contract.data, util.pathPrefix);
-
     assert.deepEqual(mapping[util.filePath].l, {
-      5: 1,
+      5: 2,
     });
     assert.deepEqual(mapping[util.filePath].b, {
-      1: [0, 1],
+      1: [0, 2],
     });
     assert.deepEqual(mapping[util.filePath].s, {
-      1: 1,
+      1: 2,
     });
     assert.deepEqual(mapping[util.filePath].f, {
-      1: 1,
+      1: 2,
     });
   });
 
@@ -75,6 +76,8 @@ describe('asserts and requires', () => {
     });
   });
 
+  // NB: Truffle replays failing txs as .calls to obtain the revert reason from the return
+  // data. Hence the 2X measurements.
   it('should cover multi-line require stmts as `if` statements when they fail', async function() {
     const contract = await util.bootstrapCoverage('assert/RequireMultiline', provider, collector);
     coverage.addContract(contract.instrumented, util.filePath);
@@ -84,16 +87,16 @@ describe('asserts and requires', () => {
     const mapping = coverage.generate(contract.data, util.pathPrefix);
 
     assert.deepEqual(mapping[util.filePath].l, {
-      5: 1,
+      5: 2,
     });
     assert.deepEqual(mapping[util.filePath].b, {
-      1: [0, 1],
+      1: [0, 2],
     });
     assert.deepEqual(mapping[util.filePath].s, {
-      1: 1,
+      1: 2,
     });
     assert.deepEqual(mapping[util.filePath].f, {
-      1: 1,
+      1: 2,
     });
   });
 });
diff --git a/test/units/function.js b/test/units/function.js
index 6e3fe1d..38c1df1 100644
--- a/test/units/function.js
+++ b/test/units/function.js
@@ -1,7 +1,7 @@
 const assert = require('assert');
 const util = require('./../util/util.js');
 
-const ganache = require('ganache-cli');
+const ganache = require('ganache-core-sc');
 const Coverage = require('./../../lib/coverage');
 
 describe('function declarations', () => {
@@ -112,7 +112,9 @@ describe('function declarations', () => {
 
   // We try and call a contract at an address where it doesn't exist and the VM
   // throws, but we can verify line / statement / fn coverage is getting mapped.
-  it('should cover a constructor call that chains to a method call', async function() {
+  //
+  // NB: 2x values are result of Truffle replaying failing txs to get reason string...
+  it('should cover a constructor --> method call chain', async function() {
     const contract = await util.bootstrapCoverage('function/chainable', provider, collector);
     coverage.addContract(contract.instrumented, util.filePath);
 
@@ -121,21 +123,23 @@ describe('function declarations', () => {
     const mapping = coverage.generate(contract.data, util.pathPrefix);
 
     assert.deepEqual(mapping[util.filePath].l, {
-      9: 1,
+      9: 2,
     });
     assert.deepEqual(mapping[util.filePath].b, {});
     assert.deepEqual(mapping[util.filePath].s, {
-      1: 1,
+      1: 2,
     });
     assert.deepEqual(mapping[util.filePath].f, {
       1: 0,
-      2: 1,
+      2: 2,
     });
   });
 
   // The vm runs out of gas here - but we can verify line / statement / fn
   // coverage is getting mapped.
-  it('should cover a constructor call that chains to a method call', async function() {
+  //
+  // NB: 2x values are result of Truffle replaying failing txs to get reason string...
+  it('should cover a constructor --> method --> value call chain', async function() {
     const contract = await util.bootstrapCoverage('function/chainable-value', provider, collector);
     coverage.addContract(contract.instrumented, util.filePath);
 
@@ -144,15 +148,15 @@ describe('function declarations', () => {
     const mapping = coverage.generate(contract.data, util.pathPrefix);
 
     assert.deepEqual(mapping[util.filePath].l, {
-      10: 1,
+      10: 2,
     });
     assert.deepEqual(mapping[util.filePath].b, {});
     assert.deepEqual(mapping[util.filePath].s, {
-      1: 1,
+      1: 2,
     });
     assert.deepEqual(mapping[util.filePath].f, {
       1: 0,
-      2: 1,
+      2: 2,
     });
   });
 });
diff --git a/test/units/if.js b/test/units/if.js
index 5ad033f..3ffc807 100644
--- a/test/units/if.js
+++ b/test/units/if.js
@@ -1,7 +1,7 @@
 const assert = require('assert');
 const util = require('./../util/util.js');
 
-const ganache = require('ganache-cli');
+const ganache = require('ganache-core-sc');
 const Coverage = require('./../../lib/coverage');
 
 describe('if, else, and else if statements', () => {
diff --git a/test/units/loops.js b/test/units/loops.js
index c87248c..337ad60 100644
--- a/test/units/loops.js
+++ b/test/units/loops.js
@@ -1,7 +1,7 @@
 const assert = require('assert');
 const util = require('./../util/util.js');
 
-const ganache = require('ganache-cli');
+const ganache = require('ganache-core-sc');
 const Coverage = require('./../../lib/coverage');
 
 describe('for and while statements', () => {
diff --git a/test/units/statements.js b/test/units/statements.js
index 5e962dd..3f67909 100644
--- a/test/units/statements.js
+++ b/test/units/statements.js
@@ -1,7 +1,7 @@
 const assert = require('assert');
 const util = require('./../util/util.js');
 
-const ganache = require('ganache-cli');
+const ganache = require('ganache-core-sc');
 const Coverage = require('./../../lib/coverage');
 
 describe('generic statements', () => {
@@ -49,7 +49,7 @@ describe('generic statements', () => {
   });
 
   it('should NOT pass tests if the contract has a compilation error', () => {
-    const info = util.instrumentAndCompile('../errors/compilation-error');
+    const info = util.instrumentAndCompile('app/SimpleError');
     try {
       util.report(output.errors);
       assert.fail('failure'); // We shouldn't hit this.
diff --git a/test/util/integration.truffle.js b/test/util/integration.truffle.js
new file mode 100644
index 0000000..dc889a1
--- /dev/null
+++ b/test/util/integration.truffle.js
@@ -0,0 +1,172 @@
+
+/*
+  Utilities for generating a mock truffle project to test plugin.
+*/
+
+const path = require('path');
+const fs = require('fs');
+const shell = require('shelljs');
+const TruffleConfig = require('truffle-config');
+const decache = require('decache');
+
+const temp =              './temp';
+const truffleConfigName = 'truffle-config.js';
+const configPath =        `${temp}/.solcover.js`;
+const testPath =          './test/sources/js/';
+const sourcesPath =       './test/sources/solidity/contracts/app/';
+const migrationPath =     `${temp}/migrations/2_deploy.js`;
+const templatePath =      './test/integration/truffle/*';
+
+function getDefaultTruffleConfig(){
+  const logger = process.env.SILENT ? { log: () => {} } : console;
+  const reporter = process.env.SILENT ? 'dot' : 'spec';
+
+  const mockwd = path.join(process.cwd(), temp);
+  const vals = {
+    working_directory: mockwd,
+    build_directory:  path.join(mockwd, 'build'),
+    contracts_directory: path.join(mockwd, 'contracts'),
+    contracts_build_directory: path.join(mockwd, 'build', 'contracts'),
+    migrations_directory: path.join(mockwd, 'migrations'),
+    test_directory: path.join(mockwd, 'test'),
+    logger: logger,
+    mocha: { reporter: reporter },
+    networks: {
+      development: {
+        host: "localhost",
+        port: 8545,
+        network_id: "*"
+      }
+    },
+    compilers: {
+      solc: {
+        version: "0.5.3",
+        settings: { optimizer: {} }
+      }
+    }
+  }
+
+  return (new TruffleConfig()).with(vals);
+}
+
+function getSolcoverJS(config){
+  return `module.exports = ${JSON.stringify(config, null, ' ')}`
+}
+
+function getTruffleConfigJS(config){
+  if (config) return `module.exports = ${JSON.stringify(config, null, ' ')}`
+  return `module.exports = ${JSON.stringify(getDefaultTruffleConfig(), null, ' ')}`
+}
+
+function deploySingle(contractName){
+  return `
+    const A = artifacts.require("${contractName}");
+    module.exports = function(deployer) { deployer.deploy(A) };
+  `;
+}
+
+function deployDouble(contractNames){
+  return `
+    var A = artifacts.require("${contractNames[0]}");
+    var B = artifacts.require("${contractNames[1]}");
+    module.exports = function(deployer) {
+      deployer.deploy(A);
+      deployer.link(A, B);
+      deployer.deploy(B);
+    };
+  `;
+}
+
+/**
+ * Installs mock truffle project at ./temp with a single contract
+ * and test specified by the params.
+ * @param  {String} contract <contractName.sol> located in /test/sources/cli/
+ * @param  {[type]} test     <testName.js> located in /test/cli/
+ */
+function install(
+  contract,
+  test,
+  config,
+  _truffleConfig,
+  noMigrations
+) {
+
+  const configjs = getSolcoverJS(config);
+  const trufflejs = getTruffleConfigJS(_truffleConfig);
+  const migration = deploySingle(contract);
+
+  // Scaffold
+  shell.mkdir(temp);
+  shell.cp('-Rf', templatePath, temp);
+
+  // Contract
+  shell.cp(`${sourcesPath}${contract}.sol`, `${temp}/contracts/${contract}.sol`);
+
+  // Migration
+  if (!noMigrations) fs.writeFileSync(migrationPath, migration);
+
+  // Test
+  shell.cp(`${testPath}${test}`, `${temp}/test/${test}`);
+
+  // Configs
+  fs.writeFileSync(`${temp}/${truffleConfigName}`, trufflejs);
+  fs.writeFileSync(configPath, configjs);
+
+  decache(`${process.cwd()}/${temp}/.solcover.js`);
+  decache(`${process.cwd()}/${temp}/${truffleConfigName}`);
+
+};
+
+/**
+ * Installs mock truffle project with two contracts (for inheritance, libraries, etc)
+ *
+ */
+function installDouble(contracts, test, config) {
+  const configjs = getSolcoverJS(config);
+  const migration = deployDouble(contracts);
+
+  // Scaffold
+  shell.mkdir(temp);
+  shell.cp('-Rf', templatePath, temp);
+
+  // Contracts
+  contracts.forEach(item => {
+    shell.cp(`${sourcesPath}${item}.sol`, `${temp}/contracts/${item}.sol`)
+  });
+
+  // Migration
+  fs.writeFileSync(migrationPath, migration)
+
+  // Test
+  shell.cp(`${testPath}${test}`, `${temp}/test/${test}`);
+
+  // Configs
+  fs.writeFileSync(`${temp}/${truffleConfigName}`, getTruffleConfigJS());
+  fs.writeFileSync(configPath, configjs);
+
+  decache(`${process.cwd()}/${temp}/.solcover.js`);
+  decache(`${process.cwd()}/${temp}/${truffleConfigName}`);
+};
+
+
+/**
+ * Removes mock truffle project and coverage reports generated by test
+ */
+function clean() {
+  shell.config.silent = true;
+
+  shell.rm('-Rf', 'temp');
+  shell.rm('-Rf', 'coverage');
+  shell.rm('coverage.json');
+
+  shell.config.silent = false;
+};
+
+
+module.exports = {
+  getDefaultTruffleConfig: getDefaultTruffleConfig,
+  install: install,
+  installDouble: installDouble,
+  clean: clean
+}
+
diff --git a/test/util/mock.truffle.js b/test/util/mock.truffle.js
deleted file mode 100644
index 65e1369..0000000
--- a/test/util/mock.truffle.js
+++ /dev/null
@@ -1,121 +0,0 @@
-
-/*
-  Utilities for generating a mock truffle project to test plugin.
-*/
-
-const fs = require('fs');
-const shell = require('shelljs');
-
-const configPath =     './mock/.solcover.js';
-const testPath =       './test/sources/js/';
-const sourcesPath =    './test/sources/solidity/contracts/app/';
-const migrationPath =  './mock/migrations/2_deploy.js';
-
-const defaultTruffleConfig = `
-  module.exports = {
-    networks: {
-      development: {
-        host: "localhost",
-        port: 8545,
-        network_id: "*"
-      }
-    },
-    compilers: {
-      solc: {
-        version: "0.5.3",
-      }
-    }
-  };
-`
-
-/**
- * Installs mock truffle project at ./mock with a single contract
- * and test specified by the params.
- * @param  {String} contract <contractName.sol> located in /test/sources/cli/
- * @param  {[type]} test     <testName.js> located in /test/cli/
- */
-function install(
-  contract,
-  test,
-  config,
-  _truffleConfig,
-  _trufflejsName,
-  noMigrations
-) {
-
-  const configjs = `module.exports = ${JSON.stringify(config)}`;
-
-  const migration = `
-    const A = artifacts.require('${contract}');
-    module.exports = function(deployer) { deployer.deploy(A) };
-  `;
-
-  // Mock truffle-config.js
-  const trufflejsName = _trufflejsName || 'truffle-config.js';
-  const trufflejs = _truffleConfig || defaultTruffleConfig;
-
-  // Generate mock
-  shell.mkdir('./mock');
-  shell.cp('-Rf', './test/integration/truffle', './mock');
-  shell.cp(`${sourcesPath}${contract}.sol`, `./mock/contracts/${contract}.sol`);
-
-  if (!noMigrations){
-    fs.writeFileSync(migrationPath, migration);
-  }
-
-  fs.writeFileSync(`./mock/${trufflejsName}`, trufflejs);
-  fs.writeFileSync(`${configPath}`, configjs);
-
-  shell.cp(`${testPath}${test}`, `./mock/test/${test}`);
-};
-
-/**
- * Installs mock truffle project with two contracts (for inheritance, libraries, etc)
- * @param  {config} .solcover.js configuration
- */
-function installMultiple(contracts, test, config) {
-  const configjs = `module.exports = ${JSON.stringify(config)}`;
-
-  const deployContracts = `
-    var A = artifacts.require(`${contracts[0]}`);
-    var B = artifacts.require(`${contracts[1]}`);
-    module.exports = function(deployer) {
-      deployer.deploy(A);
-      deployer.link(A, B);
-      deployer.deploy(B);
-    };
-  `;
-
-  shell.mkdir('./mock');
-  shell.cp('-Rf', './test/integration/truffle', './mock');
-
-  contracts.forEach(item => {
-    shell.cp(`${sourcesPath}${item}.sol`, `./mock/contracts/${item}.sol`)
-  });
-
-  shell.cp(`${testPath}${test}`, `./mock/test/${test}`);
-  fs.writeFileSync('./mock/truffle-config.js', defaultTruffleJs);
-  fs.writeFileSync('./.solcover.js', configjs);
-  fs.writeFileSync(migrationPath, migration)
-};
-
-
-/**
- * Removes mock truffle project and coverage reports generated by exec.js
- */
-function remove() {
-  shell.config.silent = true;
-  shell.rm('./.solcover.js');
-  shell.rm('-Rf', 'mock');
-  shell.rm('-Rf', 'coverage');
-  shell.rm('coverage.json');
-  shell.config.silent = false;
-};
-
-
-module.exports = {
-  install: install,
-  installMultiple: installMultiple,
-  remove: remove
-}
-
diff --git a/test/util/util.js b/test/util/util.js
index 17dda48..225dd98 100644
--- a/test/util/util.js
+++ b/test/util/util.js
@@ -1,3 +1,7 @@
+/**
+ * Setup and reporting helpers for the suites which test instrumentation
+ * and coverage correctness. (Integration test helpers are elsewhere)
+ */
 const fs = require('fs');
 const path = require('path');
 const solc = require('solc');
@@ -6,14 +10,15 @@ const TruffleContract = require('truffle-contract');
 const Instrumenter = require('./../../lib/instrumenter');
 const DataCollector = require('./../../lib/collector')
 
+// ====================
+// Path constants
+// ====================
 const filePath = path.resolve('./test.sol');
 const pathPrefix = './';
 
-function getCode(_path) {
-  const pathToSources = `./../sources/solidity/contracts/${_path}`;
-  return fs.readFileSync(path.join(__dirname, pathToSources), 'utf8');
-};
-
+// ====================
+// Contract deployments
+// ====================
 function getABI(solcOutput, testFile="test.sol", testName="Test"){
   return solcOutput.contracts[testFile][testName].abi;
 }
@@ -30,6 +35,7 @@ async function getDeployedContractInstance(info, provider){
   })
 
   contract.setProvider(provider);
+  contract.autoGas = false;
 
   const accounts = await contract.web3.eth.getAccounts();
   contract.defaults({
@@ -41,20 +47,30 @@ async function getDeployedContractInstance(info, provider){
   return contract.new();
 }
 
+// ============
+// Compilation
+// ============
+function getCode(_path) {
+  const pathToSources = `./../sources/solidity/contracts/${_path}`;
+  return fs.readFileSync(path.join(__dirname, pathToSources), 'utf8');
+};
+
 function compile(source){
   const compilerInput = codeToCompilerInput(source);
   return JSON.parse(solc.compile(compilerInput));
 }
 
-function report(output=[]) {
-  output.forEach(item => {
-    if (item.severity === 'error') {
-      const errors = JSON.stringify(output, null, ' ');
-      throw new Error(`Instrumentation fault: ${errors}`);
-    }
+function codeToCompilerInput(code) {
+  return JSON.stringify({
+    language: 'Solidity',
+    sources: { 'test.sol': { content: code } },
+    settings: { outputSelection: {'*': { '*': [ '*' ] }} }
   });
 }
 
+// ============================
+// Instrumentation Correctness
+// ============================
 function instrumentAndCompile(sourceName) {
   const contract = getCode(`${sourceName}.sol`)
   const instrumenter = new Instrumenter();
@@ -68,14 +84,18 @@ function instrumentAndCompile(sourceName) {
   }
 }
 
-function codeToCompilerInput(code) {
-	return JSON.stringify({
-    language: 'Solidity',
-    sources: { 'test.sol': { content: code } },
-    settings: { outputSelection: {'*': { '*': [ '*' ] }} }
+function report(output=[]) {
+  output.forEach(item => {
+    if (item.severity === 'error') {
+      const errors = JSON.stringify(output, null, ' ');
+      throw new Error(`Instrumentation fault: ${errors}`);
+    }
   });
 }
 
+// =====================
+// Coverage Correctness
+// =====================
 async function bootstrapCoverage(file, provider, collector){
   const info = instrumentAndCompile(file);
   info.instance = await getDeployedContractInstance(info, provider);
@@ -83,22 +103,18 @@ async function bootstrapCoverage(file, provider, collector){
   return info;
 }
 
-async function initializeProvider(ganache){
-  const provider = ganache.provider();
-
-  return new Promise(resolve => {
-    const interval = setInterval(() => {
+// =========
+// Provider
+// =========
+function initializeProvider(ganache){
+  const collector = new DataCollector();
+  const options = { logger: { log: collector.step.bind(collector) }};
+  const provider = ganache.provider(options);
 
-      if (provider.engine.manager.state.blockchain.vm !== undefined){
-        clearInterval(interval);
-
-        resolve({
-          provider: provider,
-          collector: new DataCollector({provider: provider})
-        });
-      }
-    });
-  })
+  return {
+    provider: provider,
+    collector: collector
+  }
 }
 
 module.exports = {
diff --git a/yarn.lock b/yarn.lock
index 038a9ee..5306ef5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -105,6 +105,34 @@ abbrev@1.0.x:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
   integrity sha1-kbR5JYinc4wl813W9jdSovh3YTU=
 
+abstract-leveldown@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-3.0.0.tgz#5cb89f958a44f526779d740d1440e743e0c30a57"
+  integrity sha512-KUWx9UWGQD12zsmLNj64/pndaz4iJh/Pj7nopgkfDG6RlCcbMZvT6+9l7dchK4idog2Is8VdC/PvNbFuFmalIQ==
+  dependencies:
+    xtend "~4.0.0"
+
+abstract-leveldown@^2.4.1, abstract-leveldown@~2.7.1:
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.7.2.tgz#87a44d7ebebc341d59665204834c8b7e0932cc93"
+  integrity sha512-+OVvxH2rHVEhWLdbudP6p0+dNMXu8JA1CbhP19T8paTYAcX7oJ4OVjT+ZUVpv7mITxXHqDMej+GdqXBmXkw09w==
+  dependencies:
+    xtend "~4.0.0"
+
+abstract-leveldown@^5.0.0, abstract-leveldown@~5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-5.0.0.tgz#f7128e1f86ccabf7d2893077ce5d06d798e386c6"
+  integrity sha512-5mU5P1gXtsMIXg65/rsYGsi93+MlogXZ9FA8JnwKurHQg64bfXwGYVdVdijNTVNOlAsuIiOwHdvFFD5JqCJQ7A==
+  dependencies:
+    xtend "~4.0.0"
+
+abstract-leveldown@~2.6.0:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz#1c5e8c6a5ef965ae8c35dfb3a8770c476b82c4b8"
+  integrity sha512-2++wDf/DYqkPR3o5tbfdhF96EfMApo1GpPfzOsR/ZYXdkSmELlvOOEAl9iKkRsktMPHdGjO4rtkBpf2I7TiTeA==
+  dependencies:
+    xtend "~4.0.0"
+
 accepts@~1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
@@ -118,6 +146,11 @@ aes-js@3.0.0:
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.0.0.tgz#e21df10ad6c2053295bcbb8dab40b09dbea87e4d"
   integrity sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=
 
+aes-js@^3.1.1:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.1.2.tgz#db9aabde85d5caabbfc0d4f2a4446960f627146a"
+  integrity sha512-e5pEa2kBnBOgR4Y/p20pskXI74UEz7de8ZGVo58asOtvSVG5YAbJeELPZxOmt+Bnz3rX753YKhfIn4X4l1PPRQ==
+
 agent-base@4, agent-base@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
@@ -161,11 +194,25 @@ ansi-align@^3.0.0:
   dependencies:
     string-width "^3.0.0"
 
+ansi-colors@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-1.1.0.tgz#6374b4dd5d4718ff3ce27a671a3b1cad077132a9"
+  integrity sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==
+  dependencies:
+    ansi-wrap "^0.1.0"
+
 ansi-colors@^3.2.1, ansi-colors@^3.2.4:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.4.tgz#e3a3da4bfbae6c86a9c285625de124a234026fbf"
   integrity sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==
 
+ansi-gray@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-gray/-/ansi-gray-0.1.1.tgz#2962cf54ec9792c48510a3deb524436861ef7251"
+  integrity sha1-KWLPVOyXksSFEKPetSRDaGHvclE=
+  dependencies:
+    ansi-wrap "0.1.0"
+
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -193,17 +240,37 @@ ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+ansi-wrap@0.1.0, ansi-wrap@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
+  integrity sha1-qCJQ3bABXponyoLoLqYDu/pF768=
+
 any-promise@1.3.0, any-promise@^1.0.0, any-promise@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
   integrity sha1-q8av7tzqUugJzcA3au0845Y10X8=
 
+anymatch@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-2.0.0.tgz#bcb24b4f37934d9aa7ac17b4adaf89e7c76ef2eb"
+  integrity sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==
+  dependencies:
+    micromatch "^3.1.4"
+    normalize-path "^2.1.1"
+
 app-module-path@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/app-module-path/-/app-module-path-2.2.0.tgz#641aa55dfb7d6a6f0a8141c4b9c0aa50b6c24dd5"
   integrity sha1-ZBqlXft9am8KgUHEucCqULbCTdU=
 
-aproba@^1.1.1:
+append-buffer@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/append-buffer/-/append-buffer-1.0.2.tgz#d8220cf466081525efea50614f3de6514dfa58f1"
+  integrity sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=
+  dependencies:
+    buffer-equal "^1.0.0"
+
+aproba@^1.0.3, aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
   integrity sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==
@@ -215,6 +282,19 @@ archive-type@^4.0.0:
   dependencies:
     file-type "^4.2.0"
 
+archy@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/archy/-/archy-1.0.0.tgz#f9c8c13757cc1dd7bc379ac77b2c62a5c2868c40"
+  integrity sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=
+
+are-we-there-yet@~1.1.2:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz#4b35c2944f062a8bfcda66410760350fe9ddfc21"
+  integrity sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==
+  dependencies:
+    delegates "^1.0.0"
+    readable-stream "^2.0.6"
+
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -222,11 +302,79 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
+arr-diff@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
+  integrity sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=
+
+arr-filter@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/arr-filter/-/arr-filter-1.1.2.tgz#43fdddd091e8ef11aa4c45d9cdc18e2dff1711ee"
+  integrity sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=
+  dependencies:
+    make-iterator "^1.0.0"
+
+arr-flatten@^1.0.1, arr-flatten@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
+  integrity sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==
+
+arr-map@^2.0.0, arr-map@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/arr-map/-/arr-map-2.0.2.tgz#3a77345ffc1cf35e2a91825601f9e58f2e24cac4"
+  integrity sha1-Onc0X/wc814qkYJWAfnljy4kysQ=
+  dependencies:
+    make-iterator "^1.0.0"
+
+arr-union@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
+  integrity sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=
+
+array-each@^1.0.0, array-each@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/array-each/-/array-each-1.0.1.tgz#a794af0c05ab1752846ee753a1f211a05ba0c44f"
+  integrity sha1-p5SvDAWrF1KEbudTofIRoFugxE8=
+
 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=
 
+array-initial@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/array-initial/-/array-initial-1.1.0.tgz#2fa74b26739371c3947bd7a7adc73be334b3d795"
+  integrity sha1-L6dLJnOTccOUe9enrcc74zSz15U=
+  dependencies:
+    array-slice "^1.0.0"
+    is-number "^4.0.0"
+
+array-last@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/array-last/-/array-last-1.3.0.tgz#7aa77073fec565ddab2493f5f88185f404a9d336"
+  integrity sha512-eOCut5rXlI6aCOS7Z7kCplKRKyiFQ6dHFBem4PwlwKeNFk2/XxTrhRh5T9PyaEWGy/NHTZWbY+nsZlNFJu9rYg==
+  dependencies:
+    is-number "^4.0.0"
+
+array-slice@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-1.1.0.tgz#e368ea15f89bc7069f7ffb89aec3a6c7d4ac22d4"
+  integrity sha512-B1qMD3RBP7O8o0H2KbrXDyB0IccejMF15+87Lvlor12ONPRHP6gTjXMNkt/d3ZuOGbAe66hFmaCfECI24Ufp6w==
+
+array-sort@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-sort/-/array-sort-1.0.0.tgz#e4c05356453f56f53512a7d1d6123f2c54c0a88a"
+  integrity sha512-ihLeJkonmdiAsD7vpgN3CRcx2J2S0TiYW+IS/5zHBI7mKUq3ySvBdzzBfD236ubDBQFiiyG3SWCPc+msQ9KoYg==
+  dependencies:
+    default-compare "^1.0.0"
+    get-value "^2.0.6"
+    kind-of "^5.0.2"
+
+array-unique@^0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
+  integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
+
 asn1.js@^4.0.0:
   version "4.10.1"
   resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
@@ -253,21 +401,74 @@ assertion-error@^1.1.0:
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
   integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
 
+assign-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
+  integrity sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=
+
+async-done@^1.2.0, async-done@^1.2.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/async-done/-/async-done-1.3.2.tgz#5e15aa729962a4b07414f528a88cdf18e0b290a2"
+  integrity sha512-uYkTP8dw2og1tu1nmza1n1CMW0qb8gWWlwqMmLb7MhBVs4BXrFziT6HXUd+/RlRA/i4H9AkofYloUbs1fwMqlw==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.2"
+    process-nextick-args "^2.0.0"
+    stream-exhaust "^1.0.1"
+
+async-each@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.3.tgz#b727dbf87d7651602f06f4d4ac387f47d91b0cbf"
+  integrity sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==
+
+async-eventemitter@^0.2.2:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/async-eventemitter/-/async-eventemitter-0.2.4.tgz#f5e7c8ca7d3e46aab9ec40a292baf686a0bafaca"
+  integrity sha512-pd20BwL7Yt1zwDFy+8MX8F1+WCT8aQeKj0kQnTrH9WaeRETlRamVhD0JtRPmrV4GfOJ2F9CvdQkZeZhnh2TuHw==
+  dependencies:
+    async "^2.4.0"
+
 async-limiter@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
   integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
 
-async@1.x:
+async-settle@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-settle/-/async-settle-1.0.0.tgz#1d0a914bb02575bec8a8f3a74e5080f72b2c0c6b"
+  integrity sha1-HQqRS7Aldb7IqPOnTlCA9yssDGs=
+  dependencies:
+    async-done "^1.2.2"
+
+async@1.x, async@^1.4.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
   integrity sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=
 
+async@2.6.2:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.2.tgz#18330ea7e6e313887f5d2f2a904bac6fe4dd5381"
+  integrity sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==
+  dependencies:
+    lodash "^4.17.11"
+
+async@^2.0.1, async@^2.1.2, async@^2.4.0, async@^2.5.0, async@^2.6.1:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
+  integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
+  dependencies:
+    lodash "^4.17.14"
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
   integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
 
+atob@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
+  integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
@@ -278,16 +479,577 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
   integrity sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==
 
+babel-code-frame@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
+  integrity sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=
+  dependencies:
+    chalk "^1.1.3"
+    esutils "^2.0.2"
+    js-tokens "^3.0.2"
+
+babel-core@^6.0.14, babel-core@^6.26.0:
+  version "6.26.3"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.3.tgz#b2e2f09e342d0f0c88e2f02e067794125e75c207"
+  integrity sha512-6jyFLuDmeidKmUEb3NM+/yawG0M2bDZ9Z1qbZP59cyHLz8kYGKYwpJP0UwUKKUiTRNvxfLesJnTedqczP7cTDA==
+  dependencies:
+    babel-code-frame "^6.26.0"
+    babel-generator "^6.26.0"
+    babel-helpers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-register "^6.26.0"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    convert-source-map "^1.5.1"
+    debug "^2.6.9"
+    json5 "^0.5.1"
+    lodash "^4.17.4"
+    minimatch "^3.0.4"
+    path-is-absolute "^1.0.1"
+    private "^0.1.8"
+    slash "^1.0.0"
+    source-map "^0.5.7"
+
+babel-generator@^6.26.0:
+  version "6.26.1"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
+  integrity sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==
+  dependencies:
+    babel-messages "^6.23.0"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    detect-indent "^4.0.0"
+    jsesc "^1.3.0"
+    lodash "^4.17.4"
+    source-map "^0.5.7"
+    trim-right "^1.0.1"
+
+babel-helper-builder-binary-assignment-operator-visitor@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz#cce4517ada356f4220bcae8a02c2b346f9a56664"
+  integrity sha1-zORReto1b0IgvK6KAsKzRvmlZmQ=
+  dependencies:
+    babel-helper-explode-assignable-expression "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-call-delegate@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz#ece6aacddc76e41c3461f88bfc575bd0daa2df8d"
+  integrity sha1-7Oaqzdx25Bw0YfiL/Fdb0Nqi340=
+  dependencies:
+    babel-helper-hoist-variables "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-define-map@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz#a5f56dab41a25f97ecb498c7ebaca9819f95be5f"
+  integrity sha1-pfVtq0GiX5fstJjH66ypgZ+Vvl8=
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-explode-assignable-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz#f25b82cf7dc10433c55f70592d5746400ac22caa"
+  integrity sha1-8luCz33BBDPFX3BZLVdGQArCLKo=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-function-name@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz#d3475b8c03ed98242a25b48351ab18399d3580a9"
+  integrity sha1-00dbjAPtmCQqJbSDUasYOZ01gKk=
+  dependencies:
+    babel-helper-get-function-arity "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-get-function-arity@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz#8f7782aa93407c41d3aa50908f89b031b1b6853d"
+  integrity sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-hoist-variables@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz#1ecb27689c9d25513eadbc9914a73f5408be7a76"
+  integrity sha1-HssnaJydJVE+rbyZFKc/VAi+enY=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-optimise-call-expression@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.24.1.tgz#f7a13427ba9f73f8f4fa993c54a97882d1244257"
+  integrity sha1-96E0J7qfc/j0+pk8VKl4gtEkQlc=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-helper-regex@^6.24.1:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz#325c59f902f82f24b74faceed0363954f6495e72"
+  integrity sha1-MlxZ+QL4LyS3T6zu0DY5VPZJXnI=
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-helper-remap-async-to-generator@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz#5ec581827ad723fecdd381f1c928390676e4551b"
+  integrity sha1-XsWBgnrXI/7N04HxySg5BnbkVRs=
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helper-replace-supers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz#bf6dbfe43938d17369a213ca8a8bf74b6a90ab1a"
+  integrity sha1-v22/5Dk40XNpohPKiov3S2qQqxo=
+  dependencies:
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-helpers@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-helpers/-/babel-helpers-6.24.1.tgz#3471de9caec388e5c850e597e58a26ddf37602b2"
+  integrity sha1-NHHenK7DiOXIUOWX5Yom3fN2ArI=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-messages@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
+  integrity sha1-8830cDhYA1sqKVHG7F7fbGLyYw4=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-check-es2015-constants@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz#35157b101426fd2ffd3da3f75c7d1e91835bbf8a"
+  integrity sha1-NRV7EBQm/S/9PaP3XH0ekYNbv4o=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-syntax-async-functions@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
+  integrity sha1-ytnK0RkbWtY0vzCuCHI5HgZHvpU=
+
+babel-plugin-syntax-exponentiation-operator@^6.8.0:
+  version "6.13.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
+  integrity sha1-nufoM3KQ2pUoggGmpX9BcDF4MN4=
+
+babel-plugin-syntax-trailing-function-commas@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz#ba0360937f8d06e40180a43fe0d5616fff532cf3"
+  integrity sha1-ugNgk3+NBuQBgKQ/4NVhb/9TLPM=
+
+babel-plugin-transform-async-to-generator@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz#6536e378aff6cb1d5517ac0e40eb3e9fc8d08761"
+  integrity sha1-ZTbjeK/2yx1VF6wOQOs+n8jQh2E=
+  dependencies:
+    babel-helper-remap-async-to-generator "^6.24.1"
+    babel-plugin-syntax-async-functions "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-arrow-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz#452692cb711d5f79dc7f85e440ce41b9f244d221"
+  integrity sha1-RSaSy3EdX3ncf4XkQM5BufJE0iE=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoped-functions@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoped-functions/-/babel-plugin-transform-es2015-block-scoped-functions-6.22.0.tgz#bbc51b49f964d70cb8d8e0b94e820246ce3a6141"
+  integrity sha1-u8UbSflk1wy42OC5ToICRs46YUE=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-block-scoping@^6.23.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.26.0.tgz#d70f5299c1308d05c12f463813b0a09e73b1895f"
+  integrity sha1-1w9SmcEwjQXBL0Y4E7CgnnOxiV8=
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    lodash "^4.17.4"
+
+babel-plugin-transform-es2015-classes@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.24.1.tgz#5a4c58a50c9c9461e564b4b2a3bfabc97a2584db"
+  integrity sha1-WkxYpQyclGHlZLSyo7+ryXolhNs=
+  dependencies:
+    babel-helper-define-map "^6.24.1"
+    babel-helper-function-name "^6.24.1"
+    babel-helper-optimise-call-expression "^6.24.1"
+    babel-helper-replace-supers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-computed-properties@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-computed-properties/-/babel-plugin-transform-es2015-computed-properties-6.24.1.tgz#6fe2a8d16895d5634f4cd999b6d3480a308159b3"
+  integrity sha1-b+Ko0WiV1WNPTNmZttNICjCBWbM=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-destructuring@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.23.0.tgz#997bb1f1ab967f682d2b0876fe358d60e765c56d"
+  integrity sha1-mXux8auWf2gtKwh2/jWNYOdlxW0=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-duplicate-keys@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-duplicate-keys/-/babel-plugin-transform-es2015-duplicate-keys-6.24.1.tgz#73eb3d310ca969e3ef9ec91c53741a6f1576423e"
+  integrity sha1-c+s9MQypaePvnskcU3QabxV2Qj4=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-for-of@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.23.0.tgz#f47c95b2b613df1d3ecc2fdb7573623c75248691"
+  integrity sha1-9HyVsrYT3x0+zC/bdXNiPHUkhpE=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-function-name@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.24.1.tgz#834c89853bc36b1af0f3a4c5dbaa94fd8eacaa8b"
+  integrity sha1-g0yJhTvDaxrw86TF26qU/Y6sqos=
+  dependencies:
+    babel-helper-function-name "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-literals/-/babel-plugin-transform-es2015-literals-6.22.0.tgz#4f54a02d6cd66cf915280019a31d31925377ca2e"
+  integrity sha1-T1SgLWzWbPkVKAAZox0xklN3yi4=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015-modules-amd@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.1.tgz#3b3e54017239842d6d19c3011c4bd2f00a00d154"
+  integrity sha1-Oz5UAXI5hC1tGcMBHEvS8AoA0VQ=
+  dependencies:
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
+  version "6.26.2"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.2.tgz#58a793863a9e7ca870bdc5a881117ffac27db6f3"
+  integrity sha512-CV9ROOHEdrjcwhIaJNBGMBCodN+1cfkwtM1SbUHmvyy35KGT7fohbpOxkE2uLz1o6odKK2Ck/tz47z+VqQfi9Q==
+  dependencies:
+    babel-plugin-transform-strict-mode "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-types "^6.26.0"
+
+babel-plugin-transform-es2015-modules-systemjs@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.24.1.tgz#ff89a142b9119a906195f5f106ecf305d9407d23"
+  integrity sha1-/4mhQrkRmpBhlfXxBuzzBdlAfSM=
+  dependencies:
+    babel-helper-hoist-variables "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-modules-umd@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.1.tgz#ac997e6285cd18ed6176adb607d602344ad38468"
+  integrity sha1-rJl+YoXNGO1hdq22B9YCNErThGg=
+  dependencies:
+    babel-plugin-transform-es2015-modules-amd "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+
+babel-plugin-transform-es2015-object-super@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-object-super/-/babel-plugin-transform-es2015-object-super-6.24.1.tgz#24cef69ae21cb83a7f8603dad021f572eb278f8d"
+  integrity sha1-JM72muIcuDp/hgPa0CH1cusnj40=
+  dependencies:
+    babel-helper-replace-supers "^6.24.1"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-parameters@^6.23.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.24.1.tgz#57ac351ab49caf14a97cd13b09f66fdf0a625f2b"
+  integrity sha1-V6w1GrScrxSpfNE7CfZv3wpiXys=
+  dependencies:
+    babel-helper-call-delegate "^6.24.1"
+    babel-helper-get-function-arity "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-template "^6.24.1"
+    babel-traverse "^6.24.1"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-shorthand-properties@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.24.1.tgz#24f875d6721c87661bbd99a4622e51f14de38aa0"
+  integrity sha1-JPh11nIch2YbvZmkYi5R8U3jiqA=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-spread@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-spread/-/babel-plugin-transform-es2015-spread-6.22.0.tgz#d6d68a99f89aedc4536c81a542e8dd9f1746f8d1"
+  integrity sha1-1taKmfia7cRTbIGlQujdnxdG+NE=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-sticky-regex@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.24.1.tgz#00c1cdb1aca71112cdf0cf6126c2ed6b457ccdbc"
+  integrity sha1-AMHNsaynERLN8M9hJsLta0V8zbw=
+  dependencies:
+    babel-helper-regex "^6.24.1"
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-plugin-transform-es2015-template-literals@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-template-literals/-/babel-plugin-transform-es2015-template-literals-6.22.0.tgz#a84b3450f7e9f8f1f6839d6d687da84bb1236d8d"
+  integrity sha1-qEs0UPfp+PH2g51taH2oS7EjbY0=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-typeof-symbol@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.23.0.tgz#dec09f1cddff94b52ac73d505c84df59dcceb372"
+  integrity sha1-3sCfHN3/lLUqxz1QXITfWdzOs3I=
+  dependencies:
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-es2015-unicode-regex@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.24.1.tgz#d38b12f42ea7323f729387f18a7c5ae1faeb35e9"
+  integrity sha1-04sS9C6nMj9yk4fxinxa4frrNek=
+  dependencies:
+    babel-helper-regex "^6.24.1"
+    babel-runtime "^6.22.0"
+    regexpu-core "^2.0.0"
+
+babel-plugin-transform-exponentiation-operator@^6.22.0:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz#2ab0c9c7f3098fa48907772bb813fe41e8de3a0e"
+  integrity sha1-KrDJx/MJj6SJB3cruBP+QejeOg4=
+  dependencies:
+    babel-helper-builder-binary-assignment-operator-visitor "^6.24.1"
+    babel-plugin-syntax-exponentiation-operator "^6.8.0"
+    babel-runtime "^6.22.0"
+
+babel-plugin-transform-regenerator@^6.22.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz#e0703696fbde27f0a3efcacf8b4dca2f7b3a8f2f"
+  integrity sha1-4HA2lvveJ/Cj78rPi03KL3s6jy8=
+  dependencies:
+    regenerator-transform "^0.10.0"
+
+babel-plugin-transform-strict-mode@^6.24.1:
+  version "6.24.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz#d5faf7aa578a65bbe591cf5edae04a0c67020758"
+  integrity sha1-1fr3qleKZbvlkc9e2uBKDGcCB1g=
+  dependencies:
+    babel-runtime "^6.22.0"
+    babel-types "^6.24.1"
+
+babel-preset-env@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-1.7.0.tgz#dea79fa4ebeb883cd35dab07e260c1c9c04df77a"
+  integrity sha512-9OR2afuKDneX2/q2EurSftUYM0xGu4O2D9adAhVfADDhrYDaxXV0rBbevVYoY9n6nyX1PmQW/0jtpJvUNr9CHg==
+  dependencies:
+    babel-plugin-check-es2015-constants "^6.22.0"
+    babel-plugin-syntax-trailing-function-commas "^6.22.0"
+    babel-plugin-transform-async-to-generator "^6.22.0"
+    babel-plugin-transform-es2015-arrow-functions "^6.22.0"
+    babel-plugin-transform-es2015-block-scoped-functions "^6.22.0"
+    babel-plugin-transform-es2015-block-scoping "^6.23.0"
+    babel-plugin-transform-es2015-classes "^6.23.0"
+    babel-plugin-transform-es2015-computed-properties "^6.22.0"
+    babel-plugin-transform-es2015-destructuring "^6.23.0"
+    babel-plugin-transform-es2015-duplicate-keys "^6.22.0"
+    babel-plugin-transform-es2015-for-of "^6.23.0"
+    babel-plugin-transform-es2015-function-name "^6.22.0"
+    babel-plugin-transform-es2015-literals "^6.22.0"
+    babel-plugin-transform-es2015-modules-amd "^6.22.0"
+    babel-plugin-transform-es2015-modules-commonjs "^6.23.0"
+    babel-plugin-transform-es2015-modules-systemjs "^6.23.0"
+    babel-plugin-transform-es2015-modules-umd "^6.23.0"
+    babel-plugin-transform-es2015-object-super "^6.22.0"
+    babel-plugin-transform-es2015-parameters "^6.23.0"
+    babel-plugin-transform-es2015-shorthand-properties "^6.22.0"
+    babel-plugin-transform-es2015-spread "^6.22.0"
+    babel-plugin-transform-es2015-sticky-regex "^6.22.0"
+    babel-plugin-transform-es2015-template-literals "^6.22.0"
+    babel-plugin-transform-es2015-typeof-symbol "^6.23.0"
+    babel-plugin-transform-es2015-unicode-regex "^6.22.0"
+    babel-plugin-transform-exponentiation-operator "^6.22.0"
+    babel-plugin-transform-regenerator "^6.22.0"
+    browserslist "^3.2.6"
+    invariant "^2.2.2"
+    semver "^5.3.0"
+
+babel-register@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
+  integrity sha1-btAhFz4vy0htestFxgCahW9kcHE=
+  dependencies:
+    babel-core "^6.26.0"
+    babel-runtime "^6.26.0"
+    core-js "^2.5.0"
+    home-or-tmp "^2.0.0"
+    lodash "^4.17.4"
+    mkdirp "^0.5.1"
+    source-map-support "^0.4.15"
+
+babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
+  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
+  dependencies:
+    core-js "^2.4.0"
+    regenerator-runtime "^0.11.0"
+
+babel-template@^6.24.1, babel-template@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.26.0.tgz#de03e2d16396b069f46dd9fff8521fb1a0e35e02"
+  integrity sha1-3gPi0WOWsGn0bdn/+FIfsaDjXgI=
+  dependencies:
+    babel-runtime "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    lodash "^4.17.4"
+
+babel-traverse@^6.24.1, babel-traverse@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.26.0.tgz#46a9cbd7edcc62c8e5c064e2d2d8d0f4035766ee"
+  integrity sha1-RqnL1+3MYsjlwGTi0tjQ9ANXZu4=
+  dependencies:
+    babel-code-frame "^6.26.0"
+    babel-messages "^6.23.0"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    debug "^2.6.8"
+    globals "^9.18.0"
+    invariant "^2.2.2"
+    lodash "^4.17.4"
+
+babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
+  integrity sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=
+  dependencies:
+    babel-runtime "^6.26.0"
+    esutils "^2.0.2"
+    lodash "^4.17.4"
+    to-fast-properties "^1.0.3"
+
+babelify@^7.3.0:
+  version "7.3.0"
+  resolved "https://registry.yarnpkg.com/babelify/-/babelify-7.3.0.tgz#aa56aede7067fd7bd549666ee16dc285087e88e5"
+  integrity sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=
+  dependencies:
+    babel-core "^6.0.14"
+    object-assign "^4.0.0"
+
+babylon@^6.18.0:
+  version "6.18.0"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
+  integrity sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==
+
+bach@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/bach/-/bach-1.2.0.tgz#4b3ce96bf27134f79a1b414a51c14e34c3bd9880"
+  integrity sha1-Szzpa/JxNPeaG0FKUcFONMO9mIA=
+  dependencies:
+    arr-filter "^1.1.1"
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    array-each "^1.0.0"
+    array-initial "^1.0.0"
+    array-last "^1.1.1"
+    async-done "^1.2.2"
+    async-settle "^1.0.0"
+    now-and-later "^2.0.0"
+
+backoff@^2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/backoff/-/backoff-2.5.0.tgz#f616eda9d3e4b66b8ca7fca79f695722c5f8e26f"
+  integrity sha1-9hbtqdPktmuMp/ynn2lXIsX44m8=
+  dependencies:
+    precond "0.2"
+
 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=
 
+base-x@^3.0.2:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.6.tgz#de047ec95f5f7b99ae63d830a2a894c96538b2cd"
+  integrity sha512-4PaF8u2+AlViJxRVjurkLTxpp7CaFRD/jo5rPT9ONnKxyhQ8f59yzamEvq7EkriG56yn5On4ONyaG75HLqr46w==
+  dependencies:
+    safe-buffer "^5.0.1"
+
 base64-js@^1.0.2:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
   integrity sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==
 
+base@^0.11.1:
+  version "0.11.2"
+  resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
+  integrity sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==
+  dependencies:
+    cache-base "^1.0.1"
+    class-utils "^0.3.5"
+    component-emitter "^1.2.1"
+    define-property "^1.0.0"
+    isobject "^3.0.1"
+    mixin-deep "^1.2.0"
+    pascalcase "^0.1.1"
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
@@ -300,6 +1062,11 @@ bignumber.js@^7.2.1:
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
   integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
 
+binary-extensions@^1.0.0:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
+  integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
+
 bindings@^1.2.1, bindings@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.5.0.tgz#10353c9e945334bc0511a6d90b38fbc7c9c504df"
@@ -307,6 +1074,17 @@ bindings@^1.2.1, bindings@^1.5.0:
   dependencies:
     file-uri-to-path "1.0.0"
 
+bip39@2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/bip39/-/bip39-2.5.0.tgz#51cbd5179460504a63ea3c000db3f787ca051235"
+  integrity sha512-xwIx/8JKoT2+IPJpFEfXoWdYwP7UVAoUxxLNfGCfVowaJE7yg1Y5B1BVPqlUNsBq5/nGwmFkwRJ8xDW4sX8OdA==
+  dependencies:
+    create-hash "^1.1.0"
+    pbkdf2 "^3.0.9"
+    randombytes "^2.0.1"
+    safe-buffer "^5.0.1"
+    unorm "^1.3.3"
+
 bip39@^2.5.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/bip39/-/bip39-2.6.0.tgz#9e3a720b42ec8b3fbe4038f1e445317b6a99321c"
@@ -355,7 +1133,7 @@ bn.js@4.11.6:
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
   integrity sha1-UzRK2xRhehP26N0s4okF0cC6MhU=
 
-bn.js@4.11.8, bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.4.0:
+bn.js@4.11.8, bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.10.0, bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.4.0, bn.js@^4.8.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
   integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
@@ -398,6 +1176,22 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+braces@^2.3.1, braces@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
+  integrity sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==
+  dependencies:
+    arr-flatten "^1.1.0"
+    array-unique "^0.3.2"
+    extend-shallow "^2.0.1"
+    fill-range "^4.0.0"
+    isobject "^3.0.1"
+    repeat-element "^1.1.2"
+    snapdragon "^0.8.1"
+    snapdragon-node "^2.0.1"
+    split-string "^3.0.2"
+    to-regex "^3.0.1"
+
 brorand@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
@@ -468,11 +1262,35 @@ browserify-sign@^4.0.0:
     inherits "^2.0.1"
     parse-asn1 "^5.0.0"
 
+browserslist@^3.2.6:
+  version "3.2.8"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
+  integrity sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==
+  dependencies:
+    caniuse-lite "^1.0.30000844"
+    electron-to-chromium "^1.3.47"
+
 bs58@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-2.0.1.tgz#55908d58f1982aba2008fa1bed8f91998a29bf8d"
   integrity sha1-VZCNWPGYKrogCPob7Y+RmYopv40=
 
+bs58@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
+  integrity sha1-vhYedsNU9veIrkBx9j806MTwpCo=
+  dependencies:
+    base-x "^3.0.2"
+
+bs58check@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/bs58check/-/bs58check-2.1.2.tgz#53b018291228d82a5aa08e7d796fdafda54aebfc"
+  integrity sha512-0TS1jicxdU09dwJMNZtVAfzPi6Q6QeN0pM1Fkzrjn+XYHvzMKPU3pHVpva+769iNVSfIYWf7LJ6WR+BuuMf8cA==
+  dependencies:
+    bs58 "^4.0.0"
+    create-hash "^1.1.0"
+    safe-buffer "^5.1.2"
+
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
@@ -491,6 +1309,11 @@ buffer-crc32@~0.2.3:
   resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
   integrity sha1-DTM+PwDqxQqhRUq9MO+MKl2ackI=
 
+buffer-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-1.0.0.tgz#59616b498304d556abd466966b22eeda3eca5fbe"
+  integrity sha1-WWFrSYME1Var1GaWayLu2j7KX74=
+
 buffer-fill@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
@@ -529,6 +1352,21 @@ bytes@3.1.0:
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
   integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
 
+bytewise-core@^1.2.2:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/bytewise-core/-/bytewise-core-1.2.3.tgz#3fb410c7e91558eb1ab22a82834577aa6bd61d42"
+  integrity sha1-P7QQx+kVWOsasiqCg0V3qmvWHUI=
+  dependencies:
+    typewise-core "^1.2"
+
+bytewise@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/bytewise/-/bytewise-1.1.0.tgz#1d13cbff717ae7158094aa881b35d081b387253e"
+  integrity sha1-HRPL/3F65xWAlKqIGzXQgbOHJT4=
+  dependencies:
+    bytewise-core "^1.2.2"
+    typewise "^1.0.3"
+
 cacache@^12.0.0:
   version "12.0.2"
   resolved "https://registry.yarnpkg.com/cacache/-/cacache-12.0.2.tgz#8db03205e36089a3df6954c66ce92541441ac46c"
@@ -550,6 +1388,21 @@ cacache@^12.0.0:
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
+cache-base@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
+  integrity sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==
+  dependencies:
+    collection-visit "^1.0.0"
+    component-emitter "^1.2.1"
+    get-value "^2.0.6"
+    has-value "^1.0.0"
+    isobject "^3.0.1"
+    set-value "^2.0.0"
+    to-object-path "^0.3.0"
+    union-value "^1.0.0"
+    unset-value "^1.0.0"
+
 cacheable-request@^2.1.1:
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/cacheable-request/-/cacheable-request-2.1.4.tgz#0d808801b6342ad33c91df9d0b44dc09b91e5c3d"
@@ -576,6 +1429,24 @@ cacheable-request@^6.0.0:
     normalize-url "^4.1.0"
     responselike "^1.0.2"
 
+cachedown@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/cachedown/-/cachedown-1.0.0.tgz#d43f036e4510696b31246d7db31ebf0f7ac32d15"
+  integrity sha1-1D8DbkUQaWsxJG19sx6/D3rDLRU=
+  dependencies:
+    abstract-leveldown "^2.4.1"
+    lru-cache "^3.2.0"
+
+callsite@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
+  integrity sha1-KAOY5dZkvXQDi28JBRU+borxvCA=
+
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+  integrity sha1-MvxLn82vhF/N9+c7uXysImHwqwo=
+
 camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
@@ -586,6 +1457,11 @@ camelcase@^5.3.1:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
+caniuse-lite@^1.0.30000844:
+  version "1.0.30000989"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000989.tgz#b9193e293ccf7e4426c5245134b8f2a56c0ac4b9"
+  integrity sha512-vrMcvSuMz16YY6GSVZ0dWDTJP8jqk3iFQ/Aq5iqblPwxSVVZI+zxDyTX0VPqtQsDnfdrBDcsmhgTEOh5R8Lbpw==
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -613,7 +1489,7 @@ chai@^4.2.0:
     pathval "^1.1.0"
     type-detect "^4.0.5"
 
-chalk@^1.1.1:
+chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
@@ -643,6 +1519,32 @@ check-error@^1.0.2:
   resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
   integrity sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=
 
+checkpoint-store@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/checkpoint-store/-/checkpoint-store-1.1.0.tgz#04e4cb516b91433893581e6d4601a78e9552ea06"
+  integrity sha1-BOTLUWuRQziTWB5tRgGnjpVS6gY=
+  dependencies:
+    functional-red-black-tree "^1.0.1"
+
+chokidar@^2.0.0:
+  version "2.1.6"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.6.tgz#b6cad653a929e244ce8a834244164d241fa954c5"
+  integrity sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.1"
+    braces "^2.3.2"
+    glob-parent "^3.1.0"
+    inherits "^2.0.3"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^3.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.2.1"
+    upath "^1.1.1"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
 chownr@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.2.tgz#a18f1e0b269c8a6a5d3c86eb298beb14c3dd7bf6"
@@ -666,6 +1568,16 @@ cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+class-utils@^0.3.5:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
+  integrity sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==
+  dependencies:
+    arr-union "^3.1.0"
+    define-property "^0.2.5"
+    isobject "^3.0.0"
+    static-extend "^0.1.1"
+
 cli-boxes@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-2.2.0.tgz#538ecae8f9c6ca508e3c3c95b453fe93cb4c168d"
@@ -678,6 +1590,15 @@ cli-table@^0.3.1:
   dependencies:
     colors "1.0.3"
 
+cliui@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  integrity sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
+
 cliui@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.1.0.tgz#348422dbe82d800b3022eef4f6ac10bf2e4d1b49"
@@ -687,6 +1608,11 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
+clone-buffer@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
+  integrity sha1-4+JbIHrE5wGvch4staFnksrD3Fg=
+
 clone-response@1.0.2, clone-response@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz#d1dc973920314df67fbeb94223b4ee350239e96b"
@@ -694,6 +1620,25 @@ clone-response@1.0.2, clone-response@^1.0.2:
   dependencies:
     mimic-response "^1.0.0"
 
+clone-stats@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
+  integrity sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=
+
+clone@2.1.2, clone@^2.0.0, clone@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
+  integrity sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=
+
+cloneable-readable@^1.0.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/cloneable-readable/-/cloneable-readable-1.1.3.tgz#120a00cb053bfb63a222e709f9683ea2e11d8cec"
+  integrity sha512-2EF8zTQOxYq70Y4XKtorQupqF0m49MBz2/yf5Bj+MHjvpG3Hy7sImifnqD6UA+TKYxeSV+u6qqQPawN5UvnpKQ==
+  dependencies:
+    inherits "^2.0.1"
+    process-nextick-args "^2.0.0"
+    readable-stream "^2.3.5"
+
 code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
@@ -707,6 +1652,23 @@ coinstring@^2.0.0:
     bs58 "^2.0.1"
     create-hash "^1.1.1"
 
+collection-map@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-map/-/collection-map-1.0.0.tgz#aea0f06f8d26c780c2b75494385544b2255af18c"
+  integrity sha1-rqDwb40mx4DCt1SUOFVEsiVa8Yw=
+  dependencies:
+    arr-map "^2.0.2"
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
+collection-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
+  integrity sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=
+  dependencies:
+    map-visit "^1.0.0"
+    object-visit "^1.0.0"
+
 color-convert@^1.9.0:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
@@ -719,6 +1681,11 @@ color-name@1.1.3:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
+color-support@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-support/-/color-support-1.1.3.tgz#93834379a1cc9a0c61f82f52f0d04322251bd5a2"
+  integrity sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==
+
 colors@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
@@ -753,12 +1720,17 @@ commander@~2.8.1:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
+component-emitter@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
+  integrity sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
+
 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=
 
-concat-stream@^1.5.0:
+concat-stream@^1.5.0, concat-stream@^1.5.1, concat-stream@^1.6.0:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
   integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
@@ -788,6 +1760,11 @@ configstore@^4.0.0:
     write-file-atomic "^2.0.0"
     xdg-basedir "^3.0.0"
 
+console-control-strings@^1.0.0, console-control-strings@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
+  integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
+
 content-disposition@0.5.3, content-disposition@^0.5.2:
   version "0.5.3"
   resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
@@ -800,6 +1777,13 @@ content-type@~1.0.4:
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
   integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
 
+convert-source-map@^1.5.0, convert-source-map@^1.5.1:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.6.0.tgz#51b537a8c43e0f04dec1993bffcdd504e758ac20"
+  integrity sha512-eFu7XigvxdZ1ETfbgPBohgyQ/Z++C0eEhTor0qRwBw9unw+L0/6V8wkSuGgzdThkiS5lSpdptOQPD8Ak40a+7A==
+  dependencies:
+    safe-buffer "~5.1.1"
+
 cookie-signature@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
@@ -827,6 +1811,24 @@ copy-concurrently@^1.0.0:
     rimraf "^2.5.4"
     run-queue "^1.0.0"
 
+copy-descriptor@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
+  integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
+
+copy-props@^2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/copy-props/-/copy-props-2.0.4.tgz#93bb1cadfafd31da5bb8a9d4b41f471ec3a72dfe"
+  integrity sha512-7cjuUME+p+S3HZlbllgsn2CDwS+5eCCX16qBgNC4jgSTf49qR1VKy/Zhl400m0IQXl/bPGEVqncgUUMjrr4s8A==
+  dependencies:
+    each-props "^1.3.0"
+    is-plain-object "^2.0.1"
+
+core-js@^2.4.0, core-js@^2.5.0:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
+  integrity sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -871,6 +1873,14 @@ create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
+cross-fetch@^2.1.0, cross-fetch@^2.1.1:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.2.3.tgz#e8a0b3c54598136e037f8650f8e823ccdfac198e"
+  integrity sha512-PrWWNH3yL2NYIb/7WF/5vFG3DCQiXDOVf8k3ijatbrtnwNuhMWLC7YF7uqf53tbTFDzHIUD8oITw4Bxt8ST3Nw==
+  dependencies:
+    node-fetch "2.1.2"
+    whatwg-fetch "2.0.4"
+
 cross-spawn@^5.0.1:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
@@ -917,6 +1927,14 @@ cyclist@~0.2.2:
   resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
   integrity sha1-GzN5LhHpFKL9bW7WRHRkRE5fpkA=
 
+d@1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
+  integrity sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==
+  dependencies:
+    es5-ext "^0.10.50"
+    type "^1.0.1"
+
 dashdash@^1.12.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
@@ -929,7 +1947,7 @@ death@^1.1.0:
   resolved "https://registry.yarnpkg.com/death/-/death-1.1.0.tgz#01aa9c401edd92750514470b8266390c66c67318"
   integrity sha1-AaqcQB7dknUFFEcLgmY5DGbGcxg=
 
-debug@2.6.9, debug@^2.2.0:
+debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, 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==
@@ -943,7 +1961,7 @@ debug@3.1.0:
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0:
+debug@3.2.6, debug@^3.1.0, debug@^3.2.6:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -957,6 +1975,13 @@ debug@^4.1.0, debug@^4.1.1:
   dependencies:
     ms "^2.1.1"
 
+decache@^4.5.1:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/decache/-/decache-4.5.1.tgz#94a977a88a4188672c96550ec4889582ceecdf49"
+  integrity sha512-5J37nATc6FmOTLbcsr9qx7Nm28qQyg1SK4xyEHqM0IBkNhWFp0Sm+vKoWYHD8wq+OUEb9jLyaKFfzzd1A9hcoA==
+  dependencies:
+    callsite "^1.0.0"
+
 decamelize@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -1034,6 +2059,11 @@ deep-eql@^3.0.1:
   dependencies:
     type-detect "^4.0.0"
 
+deep-equal@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
+  integrity sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=
+
 deep-extend@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
@@ -1049,11 +2079,38 @@ deepmerge@^2.1.0:
   resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-2.2.1.tgz#5d3ff22a01c00f645405a2fbc17d0778a1801170"
   integrity sha512-R9hc1Xa/NOBi9WRVUWg19rl1UB7Tt4kuPd+thNJgFZoxXsTz7ncaPaeIm+40oSGuP33DfMb4sZt1QIGiJzC4EA==
 
+default-compare@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/default-compare/-/default-compare-1.0.0.tgz#cb61131844ad84d84788fb68fd01681ca7781a2f"
+  integrity sha512-QWfXlM0EkAbqOCbD/6HjdwT19j7WCkMyiRhWilc4H9/5h/RzTF9gv5LYh1+CmDV5d1rki6KAWLtQale0xt20eQ==
+  dependencies:
+    kind-of "^5.0.2"
+
+default-resolution@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/default-resolution/-/default-resolution-2.0.0.tgz#bcb82baa72ad79b426a76732f1a81ad6df26d684"
+  integrity sha1-vLgrqnKtebQmp2cy8aga1t8m1oQ=
+
 defer-to-connect@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-1.0.2.tgz#4bae758a314b034ae33902b5aac25a8dd6a8633e"
   integrity sha512-k09hcQcTDY+cwgiwa6PYKLm3jlagNzQ+RSvhjzESOGOx+MNOuXkxTfEvPrO1IOQ81tArCFYQgi631clB70RpQw==
 
+deferred-leveldown@~1.2.1:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-1.2.2.tgz#3acd2e0b75d1669924bc0a4b642851131173e1eb"
+  integrity sha512-uukrWD2bguRtXilKt6cAWKyoXrTSMo5m7crUdLfWQmu8kIm88w3QZoUL+6nhpfKVmhHANER6Re3sKoNoZ3IKMA==
+  dependencies:
+    abstract-leveldown "~2.6.0"
+
+deferred-leveldown@~4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-4.0.2.tgz#0b0570087827bf480a23494b398f04c128c19a20"
+  integrity sha512-5fMC8ek8alH16QiV0lTCis610D1Zt1+LA4MS4d63JgS32lrCjTFDUFz2ao09/j2I4Bqb5jL4FZYwu7Jz0XO1ww==
+  dependencies:
+    abstract-leveldown "~5.0.0"
+    inherits "^2.0.3"
+
 define-properties@^1.1.2:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -1061,11 +2118,43 @@ define-properties@^1.1.2:
   dependencies:
     object-keys "^1.0.12"
 
+define-property@^0.2.5:
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-0.2.5.tgz#c35b1ef918ec3c990f9a5bc57be04aacec5c8116"
+  integrity sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=
+  dependencies:
+    is-descriptor "^0.1.0"
+
+define-property@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-1.0.0.tgz#769ebaaf3f4a63aad3af9e8d304c9bbe79bfb0e6"
+  integrity sha1-dp66rz9KY6rTr56NMEybvnm/sOY=
+  dependencies:
+    is-descriptor "^1.0.0"
+
+define-property@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-2.0.2.tgz#d459689e8d654ba77e02a817f8710d702cb16e9d"
+  integrity sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==
+  dependencies:
+    is-descriptor "^1.0.2"
+    isobject "^3.0.1"
+
+defined@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
+  integrity sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
 
+delegates@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
+  integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
+
 depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
@@ -1084,6 +2173,23 @@ destroy@~1.0.4:
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
   integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
 
+detect-file@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-1.0.0.tgz#f0d66d03672a825cb1b73bdb3fe62310c8e552b7"
+  integrity sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=
+
+detect-indent@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
+  integrity sha1-920GQ1LN9Docts5hnE7jqUdd4gg=
+  dependencies:
+    repeating "^2.0.0"
+
+detect-libc@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
+  integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
+
 diff@3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
@@ -1152,6 +2258,14 @@ duplexify@^3.4.2, duplexify@^3.6.0:
     readable-stream "^2.0.0"
     stream-shift "^1.0.0"
 
+each-props@^1.3.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/each-props/-/each-props-1.3.2.tgz#ea45a414d16dd5cfa419b1a81720d5ca06892333"
+  integrity sha512-vV0Hem3zAGkJAyU7JSjixeU66rwdynTAa1vofCrSA5fEln+m67Az9CcnkVD776/fsN/UjIWmBDoNRS6t6G9RfA==
+  dependencies:
+    is-plain-object "^2.0.1"
+    object.defaults "^1.1.0"
+
 ecc-jsbn@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
@@ -1165,6 +2279,11 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
+electron-to-chromium@^1.3.47:
+  version "1.3.223"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.223.tgz#3472d5260096cfc9be8b7350252a4c577f68f80a"
+  integrity sha512-xXFNJ+akZMtRZQYBLlGoc11lDfwj6FdWHwle/0U3vWtVaWh/MBbU25vtRCBB4lpHLmQ8Y9a6Tsb+0UONFbNXmQ==
+
 elliptic@6.3.3:
   version "6.3.3"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.3.3.tgz#5482d9646d54bcb89fd7d994fc9e2e9568876e3f"
@@ -1198,6 +2317,17 @@ encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
+encoding-down@5.0.4, encoding-down@~5.0.0:
+  version "5.0.4"
+  resolved "https://registry.yarnpkg.com/encoding-down/-/encoding-down-5.0.4.tgz#1e477da8e9e9d0f7c8293d320044f8b2cd8e9614"
+  integrity sha512-8CIZLDcSKxgzT+zX8ZVfgNbu8Md2wq/iqa1Y7zyVR18QBEAc0Nmzuvj/N5ykSKpfGzjM8qxbaFntLPwnVoUhZw==
+  dependencies:
+    abstract-leveldown "^5.0.0"
+    inherits "^2.0.3"
+    level-codec "^9.0.0"
+    level-errors "^2.0.0"
+    xtend "^4.0.1"
+
 encoding@^0.1.11:
   version "0.1.12"
   resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
@@ -1224,6 +2354,20 @@ err-code@^1.0.0:
   resolved "https://registry.yarnpkg.com/err-code/-/err-code-1.1.2.tgz#06e0116d3028f6aef4806849eb0ea6a748ae6960"
   integrity sha1-BuARbTAo9q70gGhJ6w6mp0iuaWA=
 
+errno@~0.1.1:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
+  integrity sha512-MfrRBDWzIWifgq6tJj60gkAwtLNb6sQPlcFrSOflcP1aFmmruKQ2wRnze/8V6kgyz7H3FF8Npzv78mZ7XLLflg==
+  dependencies:
+    prr "~1.0.1"
+
+error-ex@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  integrity sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==
+  dependencies:
+    is-arrayish "^0.2.1"
+
 es-abstract@^1.5.0:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.13.0.tgz#ac86145fdd5099d8dd49558ccba2eaf9b88e24e9"
@@ -1245,6 +2389,24 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+es5-ext@^0.10.35, es5-ext@^0.10.46, es5-ext@^0.10.50, es5-ext@~0.10.14:
+  version "0.10.50"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.50.tgz#6d0e23a0abdb27018e5ac4fd09b412bc5517a778"
+  integrity sha512-KMzZTPBkeQV/JcSQhI5/z6d9VWJ3EnQ194USTUwIYZ2ZbpN8+SGXQKt1h68EX44+qt+Fzr8DO17vnxrw7c3agw==
+  dependencies:
+    es6-iterator "~2.0.3"
+    es6-symbol "~3.1.1"
+    next-tick "^1.0.0"
+
+es6-iterator@^2.0.1, es6-iterator@^2.0.3, es6-iterator@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
+  integrity sha1-p96IkUGgWpSwhUQDstCg+/qY87c=
+  dependencies:
+    d "1"
+    es5-ext "^0.10.35"
+    es6-symbol "^3.1.1"
+
 es6-promise@^4.0.3:
   version "4.2.8"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
@@ -1257,6 +2419,24 @@ es6-promisify@^5.0.0:
   dependencies:
     es6-promise "^4.0.3"
 
+es6-symbol@^3.1.1, es6-symbol@~3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
+  integrity sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+es6-weak-map@^2.0.1:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.3.tgz#b6da1f16cc2cc0d9be43e6bdbfc5e7dfcdf31d53"
+  integrity sha512-p5um32HOTO1kP+w7PRnB+5lQ43Z6muuMuIMffvDN8ZB4GcnjLBV6zGStpbASIMk4DCAvEaamhe2zhyCb/QXXsA==
+  dependencies:
+    d "1"
+    es5-ext "^0.10.46"
+    es6-iterator "^2.0.3"
+    es6-symbol "^3.1.1"
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -1304,6 +2484,19 @@ etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
 
+eth-block-tracker@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/eth-block-tracker/-/eth-block-tracker-3.0.1.tgz#95cd5e763c7293e0b1b2790a2a39ac2ac188a5e1"
+  integrity sha512-WUVxWLuhMmsfenfZvFO5sbl1qFY2IqUlw/FPVmjjdElpqLsZtSG+wPe9Dz7W/sB6e80HgFKknOmKk2eNlznHug==
+  dependencies:
+    eth-query "^2.1.0"
+    ethereumjs-tx "^1.3.3"
+    ethereumjs-util "^5.1.3"
+    ethjs-util "^0.1.3"
+    json-rpc-engine "^3.6.0"
+    pify "^2.3.0"
+    tape "^4.6.3"
+
 eth-ens-namehash@2.0.8:
   version "2.0.8"
   resolved "https://registry.yarnpkg.com/eth-ens-namehash/-/eth-ens-namehash-2.0.8.tgz#229ac46eca86d52e0c991e7cb2aef83ff0f68bcf"
@@ -1312,6 +2505,36 @@ eth-ens-namehash@2.0.8:
     idna-uts46-hx "^2.3.1"
     js-sha3 "^0.5.7"
 
+eth-json-rpc-infura@^3.1.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-infura/-/eth-json-rpc-infura-3.2.0.tgz#62c3f516b51351038c32a548704467cec113ca8f"
+  integrity sha512-FLcpdxPRVBCUc7yoE+wHGvyYg2lATedP+/q7PsKvaSzQpJbgTG4ZjLnyrLanxDr6M1k/dSNa6V5QnILwjUKJcw==
+  dependencies:
+    cross-fetch "^2.1.1"
+    eth-json-rpc-middleware "^1.5.0"
+    json-rpc-engine "^3.4.0"
+    json-rpc-error "^2.0.0"
+    tape "^4.8.0"
+
+eth-json-rpc-middleware@^1.5.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-middleware/-/eth-json-rpc-middleware-1.6.0.tgz#5c9d4c28f745ccb01630f0300ba945f4bef9593f"
+  integrity sha512-tDVCTlrUvdqHKqivYMjtFZsdD7TtpNLBCfKAcOpaVs7orBMS/A8HWro6dIzNtTZIR05FAbJ3bioFOnZpuCew9Q==
+  dependencies:
+    async "^2.5.0"
+    eth-query "^2.1.2"
+    eth-tx-summary "^3.1.2"
+    ethereumjs-block "^1.6.0"
+    ethereumjs-tx "^1.3.3"
+    ethereumjs-util "^5.1.2"
+    ethereumjs-vm "^2.1.0"
+    fetch-ponyfill "^4.0.0"
+    json-rpc-engine "^3.6.0"
+    json-rpc-error "^2.0.0"
+    json-stable-stringify "^1.0.1"
+    promise-to-callback "^1.0.0"
+    tape "^4.6.3"
+
 eth-lib@0.1.27, eth-lib@^0.1.26:
   version "0.1.27"
   resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.1.27.tgz#f0b0fd144f865d2d6bf8257a40004f2e75ca1dd6"
@@ -1334,12 +2557,155 @@ eth-lib@0.2.7:
     elliptic "^6.4.0"
     xhr-request-promise "^0.1.2"
 
+eth-query@^2.0.2, eth-query@^2.1.0, eth-query@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/eth-query/-/eth-query-2.1.2.tgz#d6741d9000106b51510c72db92d6365456a6da5e"
+  integrity sha1-1nQdkAAQa1FRDHLbktY2VFam2l4=
+  dependencies:
+    json-rpc-random-id "^1.0.0"
+    xtend "^4.0.1"
+
+eth-sig-util@2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-2.2.0.tgz#769fa3d296b450f6618dedeefe076642c923a16f"
+  integrity sha512-bAxW35bL4U2lrtjjV8rFGJ8B27z4Sn5v9eIaNdpPUnPfUAtrvx5j8atfyV+k+JOnbppcvKhWCO1rQSBk4kkAhw==
+  dependencies:
+    buffer "^5.2.1"
+    elliptic "^6.4.0"
+    ethereumjs-abi "0.6.5"
+    ethereumjs-util "^5.1.1"
+    tweetnacl "^1.0.0"
+    tweetnacl-util "^0.15.0"
+
+eth-sig-util@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-1.4.2.tgz#8d958202c7edbaae839707fba6f09ff327606210"
+  integrity sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=
+  dependencies:
+    ethereumjs-abi "git+https://github.com/ethereumjs/ethereumjs-abi.git"
+    ethereumjs-util "^5.1.1"
+
+eth-tx-summary@^3.1.2:
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/eth-tx-summary/-/eth-tx-summary-3.2.4.tgz#e10eb95eb57cdfe549bf29f97f1e4f1db679035c"
+  integrity sha512-NtlDnaVZah146Rm8HMRUNMgIwG/ED4jiqk0TME9zFheMl1jOp6jL1m0NKGjJwehXQ6ZKCPr16MTr+qspKpEXNg==
+  dependencies:
+    async "^2.1.2"
+    clone "^2.0.0"
+    concat-stream "^1.5.1"
+    end-of-stream "^1.1.0"
+    eth-query "^2.0.2"
+    ethereumjs-block "^1.4.1"
+    ethereumjs-tx "^1.1.1"
+    ethereumjs-util "^5.0.1"
+    ethereumjs-vm "^2.6.0"
+    through2 "^2.0.3"
+
+ethashjs@~0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/ethashjs/-/ethashjs-0.0.7.tgz#30bfe4196726690a0c59d3b8272e70d4d0c34bae"
+  integrity sha1-ML/kGWcmaQoMWdO4Jy5w1NDDS64=
+  dependencies:
+    async "^1.4.2"
+    buffer-xor "^1.0.3"
+    ethereumjs-util "^4.0.1"
+    miller-rabin "^4.0.0"
+
+ethereum-common@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.2.0.tgz#13bf966131cce1eeade62a1b434249bb4cb120ca"
+  integrity sha512-XOnAR/3rntJgbCdGhqdaLIxDLWKLmsZOGhHdBKadEr6gEnJLH52k93Ou+TUdFaPN3hJc3isBZBal3U/XZ15abA==
+
 ethereum-common@^0.0.18:
   version "0.0.18"
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
   integrity sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=
 
-ethereumjs-tx@^1.3.7:
+ethereumjs-abi@0.6.5:
+  version "0.6.5"
+  resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.5.tgz#5a637ef16ab43473fa72a29ad90871405b3f5241"
+  integrity sha1-WmN+8Wq0NHP6cqKa2QhxQFs/UkE=
+  dependencies:
+    bn.js "^4.10.0"
+    ethereumjs-util "^4.3.0"
+
+ethereumjs-abi@0.6.7:
+  version "0.6.7"
+  resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.7.tgz#d1d1c5cdb8d910a7d97645ba9e93be5d153bba2e"
+  integrity sha512-EMLOA8ICO5yAaXDhjVEfYjsJIXYutY8ufTE93eEKwsVtp2usQreKwsDTJ9zvam3omYqNuffr8IONIqb2uUslGQ==
+  dependencies:
+    bn.js "^4.11.8"
+    ethereumjs-util "^6.0.0"
+
+"ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
+  version "0.6.7"
+  resolved "git+https://github.com/ethereumjs/ethereumjs-abi.git#d700d091f79c06f4e27872f4a1d7b153986cc3dd"
+  dependencies:
+    bn.js "^4.11.8"
+    ethereumjs-util "^6.0.0"
+
+ethereumjs-account@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-account/-/ethereumjs-account-3.0.0.tgz#728f060c8e0c6e87f1e987f751d3da25422570a9"
+  integrity sha512-WP6BdscjiiPkQfF9PVfMcwx/rDvfZTjFKY0Uwc09zSQr9JfIVH87dYIJu0gNhBhpmovV4yq295fdllS925fnBA==
+  dependencies:
+    ethereumjs-util "^6.0.0"
+    rlp "^2.2.1"
+    safe-buffer "^5.1.1"
+
+ethereumjs-account@^2.0.3:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/ethereumjs-account/-/ethereumjs-account-2.0.5.tgz#eeafc62de544cb07b0ee44b10f572c9c49e00a84"
+  integrity sha512-bgDojnXGjhMwo6eXQC0bY6UK2liSFUSMwwylOmQvZbSl/D7NXQ3+vrGO46ZeOgjGfxXmgIeVNDIiHw7fNZM4VA==
+  dependencies:
+    ethereumjs-util "^5.0.0"
+    rlp "^2.0.0"
+    safe-buffer "^5.1.1"
+
+ethereumjs-block@2.2.0, ethereumjs-block@~2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-block/-/ethereumjs-block-2.2.0.tgz#8c6c3ab4a5eff0a16d9785fbeedbe643f4dbcbef"
+  integrity sha512-Ye+uG/L2wrp364Zihdlr/GfC3ft+zG8PdHcRtsBFNNH1CkOhxOwdB8friBU85n89uRZ9eIMAywCq0F4CwT1wAw==
+  dependencies:
+    async "^2.0.1"
+    ethereumjs-common "^1.1.0"
+    ethereumjs-tx "^1.2.2"
+    ethereumjs-util "^5.0.0"
+    merkle-patricia-tree "^2.1.2"
+
+ethereumjs-block@^1.2.2, ethereumjs-block@^1.4.1, ethereumjs-block@^1.6.0:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-block/-/ethereumjs-block-1.7.1.tgz#78b88e6cc56de29a6b4884ee75379b6860333c3f"
+  integrity sha512-B+sSdtqm78fmKkBq78/QLKJbu/4Ts4P2KFISdgcuZUPDm9x+N7qgBPIIFUGbaakQh8bzuquiRVbdmvPKqbILRg==
+  dependencies:
+    async "^2.0.1"
+    ethereum-common "0.2.0"
+    ethereumjs-tx "^1.2.2"
+    ethereumjs-util "^5.0.0"
+    merkle-patricia-tree "^2.1.2"
+
+ethereumjs-blockchain@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-blockchain/-/ethereumjs-blockchain-3.4.0.tgz#92240da6ecd86b3d8d324df69510b381f26c966b"
+  integrity sha512-wxPSmt6EQjhbywkFbftKcb0qRFIZWocHMuDa8/AB4eWL/UPYalNcDyLaxYbrDytmhHid3Uu8G/tA3C/TxZBuOQ==
+  dependencies:
+    async "^2.6.1"
+    ethashjs "~0.0.7"
+    ethereumjs-block "~2.2.0"
+    ethereumjs-common "^1.1.0"
+    ethereumjs-util "~6.0.0"
+    flow-stoplight "^1.0.0"
+    level-mem "^3.0.1"
+    lru-cache "^5.1.1"
+    safe-buffer "^5.1.2"
+    semaphore "^1.1.0"
+
+ethereumjs-common@^1.1.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-common/-/ethereumjs-common-1.3.1.tgz#a5cffac41beb7ad393283b2e5aa71fadf8a9cc73"
+  integrity sha512-kexqNgM2q29RKoZPPjehPREeqbr/vhYfT9Ho8FVeH3f7USjBuYp1iZ1qjqklk8FSMvEKPpMJFYSOunikw30Prw==
+
+ethereumjs-tx@1.3.7, ethereumjs-tx@^1.1.1, ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2, ethereumjs-tx@^1.3.3, ethereumjs-tx@^1.3.7:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz#88323a2d875b10549b8347e09f4862b546f3d89a"
   integrity sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==
@@ -1347,7 +2713,31 @@ ethereumjs-tx@^1.3.7:
     ethereum-common "^0.0.18"
     ethereumjs-util "^5.0.0"
 
-ethereumjs-util@^5.0.0:
+ethereumjs-util@6.1.0, ethereumjs-util@^6.0.0, ethereumjs-util@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz#e9c51e5549e8ebd757a339cc00f5380507e799c8"
+  integrity sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==
+  dependencies:
+    bn.js "^4.11.0"
+    create-hash "^1.1.2"
+    ethjs-util "0.1.6"
+    keccak "^1.0.2"
+    rlp "^2.0.0"
+    safe-buffer "^5.1.1"
+    secp256k1 "^3.0.1"
+
+ethereumjs-util@^4.0.1, ethereumjs-util@^4.3.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz#3e9428b317eebda3d7260d854fddda954b1f1bc6"
+  integrity sha1-PpQosxfuvaPXJg2FT93alUsfG8Y=
+  dependencies:
+    bn.js "^4.8.0"
+    create-hash "^1.1.2"
+    keccakjs "^0.2.0"
+    rlp "^2.0.0"
+    secp256k1 "^3.0.1"
+
+ethereumjs-util@^5.0.0, ethereumjs-util@^5.0.1, ethereumjs-util@^5.1.1, ethereumjs-util@^5.1.2, ethereumjs-util@^5.1.3, ethereumjs-util@^5.1.5:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz#3e0c0d1741471acf1036052d048623dee54ad642"
   integrity sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==
@@ -1360,19 +2750,69 @@ ethereumjs-util@^5.0.0:
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
-ethereumjs-util@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz#e9c51e5549e8ebd757a339cc00f5380507e799c8"
-  integrity sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==
+ethereumjs-util@~6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.0.0.tgz#f14841c182b918615afefd744207c7932c8536c0"
+  integrity sha512-E3yKUyl0Fs95nvTFQZe/ZSNcofhDzUsDlA5y2uoRmf1+Ec7gpGhNCsgKkZBRh7Br5op8mJcYF/jFbmjj909+nQ==
   dependencies:
     bn.js "^4.11.0"
     create-hash "^1.1.2"
-    ethjs-util "0.1.6"
+    ethjs-util "^0.1.6"
     keccak "^1.0.2"
     rlp "^2.0.0"
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
+ethereumjs-vm@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-vm/-/ethereumjs-vm-3.0.0.tgz#70fea2964a6797724b0d93fe080f9984ad18fcdd"
+  integrity sha512-lNu+G/RWPRCrQM5s24MqgU75PEGiAhL4Ombw0ew6m08d+amsxf/vGAb98yDNdQqqHKV6JbwO/tCGfdqXGI6Cug==
+  dependencies:
+    async "^2.1.2"
+    async-eventemitter "^0.2.2"
+    ethereumjs-account "^2.0.3"
+    ethereumjs-block "~2.2.0"
+    ethereumjs-blockchain "^3.4.0"
+    ethereumjs-common "^1.1.0"
+    ethereumjs-util "^6.0.0"
+    fake-merkle-patricia-tree "^1.0.1"
+    functional-red-black-tree "^1.0.1"
+    merkle-patricia-tree "^2.3.2"
+    rustbn.js "~0.2.0"
+    safe-buffer "^5.1.1"
+
+ethereumjs-vm@^2.1.0, ethereumjs-vm@^2.3.4, ethereumjs-vm@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-vm/-/ethereumjs-vm-2.6.0.tgz#76243ed8de031b408793ac33907fb3407fe400c6"
+  integrity sha512-r/XIUik/ynGbxS3y+mvGnbOKnuLo40V5Mj1J25+HEO63aWYREIqvWeRO/hnROlMBE5WoniQmPmhiaN0ctiHaXw==
+  dependencies:
+    async "^2.1.2"
+    async-eventemitter "^0.2.2"
+    ethereumjs-account "^2.0.3"
+    ethereumjs-block "~2.2.0"
+    ethereumjs-common "^1.1.0"
+    ethereumjs-util "^6.0.0"
+    fake-merkle-patricia-tree "^1.0.1"
+    functional-red-black-tree "^1.0.1"
+    merkle-patricia-tree "^2.3.2"
+    rustbn.js "~0.2.0"
+    safe-buffer "^5.1.1"
+
+ethereumjs-wallet@0.6.3:
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-0.6.3.tgz#b0eae6f327637c2aeb9ccb9047b982ac542e6ab1"
+  integrity sha512-qiXPiZOsStem+Dj/CQHbn5qex+FVkuPmGH7SvSnA9F3tdRDt8dLMyvIj3+U05QzVZNPYh4HXEdnzoYI4dZkr9w==
+  dependencies:
+    aes-js "^3.1.1"
+    bs58check "^2.1.2"
+    ethereumjs-util "^6.0.0"
+    hdkey "^1.1.0"
+    randombytes "^2.0.6"
+    safe-buffer "^5.1.2"
+    scrypt.js "^0.3.0"
+    utf8 "^3.0.0"
+    uuid "^3.3.2"
+
 ethers@4.0.0-beta.1:
   version "4.0.0-beta.1"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.0-beta.1.tgz#0648268b83e0e91a961b1af971c662cdf8cbab6d"
@@ -1389,6 +2829,22 @@ ethers@4.0.0-beta.1:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
+ethers@4.0.0-beta.3:
+  version "4.0.0-beta.3"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.0-beta.3.tgz#15bef14e57e94ecbeb7f9b39dd0a4bd435bc9066"
+  integrity sha512-YYPogooSknTwvHg3+Mv71gM/3Wcrx+ZpCzarBj3mqs9njjRkrOo2/eufzhHloOCo3JSoNI4TQJJ6yU5ABm3Uog==
+  dependencies:
+    "@types/node" "^10.3.2"
+    aes-js "3.0.0"
+    bn.js "^4.4.0"
+    elliptic "6.3.3"
+    hash.js "1.1.3"
+    js-sha3 "0.5.7"
+    scrypt-js "2.0.3"
+    setimmediate "1.0.4"
+    uuid "2.0.1"
+    xmlhttprequest "1.8.0"
+
 ethers@^4.0.0-beta.1, ethers@^4.0.32:
   version "4.0.33"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.33.tgz#f7b88d2419d731a39aefc37843a3f293e396f918"
@@ -1413,7 +2869,7 @@ ethjs-unit@0.1.6:
     bn.js "4.11.6"
     number-to-bn "1.7.0"
 
-ethjs-util@0.1.6, ethjs-util@^0.1.3:
+ethjs-util@0.1.6, ethjs-util@^0.1.3, ethjs-util@^0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/ethjs-util/-/ethjs-util-0.1.6.tgz#f308b62f185f9fe6237132fb2a9818866a5cd536"
   integrity sha512-CUnVOQq7gSpDHZVVrQW8ExxUETWrnrvXYvYz55wOU8Uj4VCgw56XC2B/fVqQN+f7gmrnRHSLVnFAwsCuNwji8w==
@@ -1426,6 +2882,16 @@ eventemitter3@1.1.1:
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.1.1.tgz#47786bdaa087caf7b1b75e73abc5c7d540158cd0"
   integrity sha1-R3hr2qCHyvext15zq8XH1UAVjNA=
 
+eventemitter3@3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.2.tgz#2d3d48f9c346698fce83a85d7d664e98535df6e7"
+  integrity sha512-tvtQIeLVHjDkJYnzf2dgVMxfuSGJeM/7UCG17TT4EumTfNtF+0nebF/4zWOIkCreAbtNqhGEboB6BWrwqNaw4Q==
+
+events@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/events/-/events-3.0.0.tgz#9a0a0dfaf62893d92b875b8f2698ca4114973e88"
+  integrity sha512-Dc381HFWJzEOhQ+d8pkNon++bk9h6cdAoAj4iE6Q4y6xgTzySWXlKn05/TVNpjnfRqi/X0EpJEJohPjNI3zpVA==
+
 evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
@@ -1447,6 +2913,26 @@ execa@^0.7.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+expand-brackets@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-2.1.4.tgz#b77735e315ce30f6b6eff0f83b04151a22449622"
+  integrity sha1-t3c14xXOMPa27/D4OwQVGiJEliI=
+  dependencies:
+    debug "^2.3.3"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    posix-character-classes "^0.1.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+expand-tilde@^2.0.0, expand-tilde@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-2.0.2.tgz#97e801aa052df02454de46b02bf621642cdc8502"
+  integrity sha1-l+gBqgUt8CRU3kawK/YhZCzchQI=
+  dependencies:
+    homedir-polyfill "^1.0.1"
+
 express@^4.14.0:
   version "4.17.1"
   resolved "https://registry.yarnpkg.com/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
@@ -1498,11 +2984,40 @@ ext-name@^5.0.0:
     ext-list "^2.0.0"
     sort-keys-length "^1.0.0"
 
-extend@~3.0.2:
+extend-shallow@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
+  integrity sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=
+  dependencies:
+    is-extendable "^0.1.0"
+
+extend-shallow@^3.0.0, extend-shallow@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
+  integrity sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=
+  dependencies:
+    assign-symbols "^1.0.0"
+    is-extendable "^1.0.1"
+
+extend@^3.0.0, extend@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
   integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
 
+extglob@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
+  integrity sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==
+  dependencies:
+    array-unique "^0.3.2"
+    define-property "^1.0.0"
+    expand-brackets "^2.1.4"
+    extend-shallow "^2.0.1"
+    fragment-cache "^0.2.1"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
 extsprintf@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
@@ -1513,6 +3028,23 @@ extsprintf@^1.2.0:
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
   integrity sha1-4mifjzVvrWLMplo6kcXfX5VRaS8=
 
+fake-merkle-patricia-tree@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/fake-merkle-patricia-tree/-/fake-merkle-patricia-tree-1.0.1.tgz#4b8c3acfb520afadf9860b1f14cd8ce3402cddd3"
+  integrity sha1-S4w6z7Ugr635hgsfFM2M40As3dM=
+  dependencies:
+    checkpoint-store "^1.1.0"
+
+fancy-log@^1.3.2:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.3.tgz#dbc19154f558690150a23953a0adbd035be45fc7"
+  integrity sha512-k9oEhlyc0FrVh25qYuSELjr8oxsCoc4/LEZfg2iJJrfEk/tZL9bCoJE47gqAvI2m/AUjluCS4+3I0eTx8n3AEw==
+  dependencies:
+    ansi-gray "^0.1.1"
+    color-support "^1.1.3"
+    parse-node-version "^1.0.0"
+    time-stamp "^1.0.0"
+
 fast-deep-equal@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
@@ -1540,6 +3072,13 @@ fd-slicer@~1.1.0:
   dependencies:
     pend "~1.2.0"
 
+fetch-ponyfill@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/fetch-ponyfill/-/fetch-ponyfill-4.1.0.tgz#ae3ce5f732c645eab87e4ae8793414709b239893"
+  integrity sha1-rjzl9zLGReq4fkroeTQUcJsjmJM=
+  dependencies:
+    node-fetch "~1.7.1"
+
 figgy-pudding@^3.4.1, figgy-pudding@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
@@ -1589,6 +3128,16 @@ filenamify@^2.0.0:
     strip-outer "^1.0.0"
     trim-repeated "^1.0.0"
 
+fill-range@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
+  integrity sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+    to-regex-range "^2.1.0"
+
 finalhandler@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.2.tgz#b7e7d000ffd11938d0fdb053506f6ebabe9f587d"
@@ -1610,6 +3159,14 @@ find-up@4.1.0:
     locate-path "^5.0.0"
     path-exists "^4.0.0"
 
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  integrity sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
@@ -1624,7 +3181,48 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
-flush-write-stream@^1.0.0:
+findup-sync@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-2.0.0.tgz#9326b1488c22d1a6088650a86901b2d9a90a2cbc"
+  integrity sha1-kyaxSIwi0aYIhlCoaQGy2akKLLw=
+  dependencies:
+    detect-file "^1.0.0"
+    is-glob "^3.1.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
+
+findup-sync@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
+  integrity sha512-YbffarhcicEhOrm4CtrwdKBdCuz576RLdhJDsIfvNtxUuhdRet1qZcsMjqbePtAseKdAnDyM/IyXbu7PRPRLYg==
+  dependencies:
+    detect-file "^1.0.0"
+    is-glob "^4.0.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
+
+fined@^1.0.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/fined/-/fined-1.2.0.tgz#d00beccf1aa2b475d16d423b0238b713a2c4a37b"
+  integrity sha512-ZYDqPLGxDkDhDZBjZBb+oD1+j0rA4E0pXY50eplAAOPg2N/gUBSSk5IM1/QhPfyVo19lJ+CvXpqfvk+b2p/8Ng==
+  dependencies:
+    expand-tilde "^2.0.2"
+    is-plain-object "^2.0.3"
+    object.defaults "^1.1.0"
+    object.pick "^1.2.0"
+    parse-filepath "^1.0.1"
+
+flagged-respawn@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/flagged-respawn/-/flagged-respawn-1.0.1.tgz#e7de6f1279ddd9ca9aac8a5971d618606b3aab41"
+  integrity sha512-lNaHNVymajmk0OJMBn8fVUAU1BtDeKIqKoVhk4xAALB57aALg6b4W0MfJ/cUE0g9YBXy5XhSlPIpYIJ7HaY/3Q==
+
+flow-stoplight@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/flow-stoplight/-/flow-stoplight-1.0.0.tgz#4a292c5bcff8b39fa6cc0cb1a853d86f27eeff7b"
+  integrity sha1-SiksW8/4s5+mzAyxqFPYbyfu/3s=
+
+flush-write-stream@^1.0.0, flush-write-stream@^1.0.2:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.1.1.tgz#8dd7d873a1babc207d94ead0c2e0e44276ebf2e8"
   integrity sha512-3Z4XhFZ3992uIq0XOqb9AreonueSYphE6oYbpt5+3u06JWklbsPkNv3ZKkP9Bz/r+1MWCaMoSQ28P85+1Yc77w==
@@ -1632,13 +3230,25 @@ flush-write-stream@^1.0.0:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-for-each@^0.3.3:
+for-each@^0.3.3, for-each@~0.3.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.3.tgz#69b447e88a0a5d32c3e7084f3f1710034b21376e"
   integrity sha512-jqYfLp7mo9vIyQf8ykW2v7A+2N4QjeCeI5+Dz9XraiO1ign81wjiH7Fb9vSOWvQfNtmSa4H2RoQTrrXivdUZmw==
   dependencies:
     is-callable "^1.1.3"
 
+for-in@^1.0.1, for-in@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+  integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
+
+for-own@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/for-own/-/for-own-1.0.0.tgz#c63332f415cedc4b04dbfe70cf836494c53cb44b"
+  integrity sha1-xjMy9BXO3EsE2/5wz4NklMU8tEs=
+  dependencies:
+    for-in "^1.0.1"
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -1663,6 +3273,13 @@ fp-ts@^1.0.0:
   resolved "https://registry.yarnpkg.com/fp-ts/-/fp-ts-1.19.5.tgz#3da865e585dfa1fdfd51785417357ac50afc520a"
   integrity sha512-wDNqTimnzs8QqpldiId9OavWK2NptormjXnRJTQecNjzwfyp6P/8s/zG8e4h3ja3oqkKaY72UlTjQYt/1yXf9A==
 
+fragment-cache@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
+  integrity sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=
+  dependencies:
+    map-cache "^0.2.2"
+
 fresh@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
@@ -1725,6 +3342,14 @@ fs-minipass@^1.2.5:
   dependencies:
     minipass "^2.2.1"
 
+fs-mkdirp-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz#0b7815fc3201c6a69e14db98ce098c16935259eb"
+  integrity sha1-C3gV/DIBxqaeFNuYzgmMFpNSWes=
+  dependencies:
+    graceful-fs "^4.1.11"
+    through2 "^2.0.3"
+
 fs-promise@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/fs-promise/-/fs-promise-2.0.3.tgz#f64e4f854bcf689aa8bddcba268916db3db46854"
@@ -1750,6 +3375,14 @@ fs.realpath@^1.0.0:
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
   integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
 
+fsevents@^1.2.7:
+  version "1.2.9"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.9.tgz#3f5ed66583ccd6f400b5a00db6f7e861363e388f"
+  integrity sha512-oeyj2H3EjjonWcFjD5NvZNE9Rqe4UW+nQBU2HNeKw0koVLEFIhtyETyAakeAM3de7Z/SW5kcA+fZUait9EApnw==
+  dependencies:
+    nan "^2.12.1"
+    node-pre-gyp "^0.12.0"
+
 fstream@^1.0.12, fstream@^1.0.8:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.12.tgz#4e8ba8ee2d48be4f7d0de505455548eae5932045"
@@ -1760,19 +3393,62 @@ fstream@^1.0.12, fstream@^1.0.8:
     mkdirp ">=0.5 0"
     rimraf "2"
 
-function-bind@^1.0.2, function-bind@^1.1.1:
+function-bind@^1.0.2, function-bind@^1.1.1, function-bind@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
   integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
 
-ganache-cli@^6.5.0:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/ganache-cli/-/ganache-cli-6.5.0.tgz#5b2198c2931d3f2d3a2e239943a7b7073f9df651"
-  integrity sha512-z0NAozUg/JFWhisIxYlRLyCoZfO+X2W2ao6BAyCkgwAON1Xvj1n+xSZb8YQm1ShOPQQXFrodsYasYGHwvf+PMQ==
+functional-red-black-tree@^1.0.1, functional-red-black-tree@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
+  integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
+
+ganache-core-sc@2.7.0-sc.0:
+  version "2.7.0-sc.0"
+  resolved "https://registry.yarnpkg.com/ganache-core-sc/-/ganache-core-sc-2.7.0-sc.0.tgz#a802eb2b7f1f9fbe833d19752347f3dceefe55d3"
+  integrity sha512-mlOpZs5Jdk4mIy55m7vVbknTDRViFWbSV0vnESelHH2g/yS0BVbxIH3QVjI9KjH1rMNuC56Obny/KjKOtnP5Og==
+  dependencies:
+    abstract-leveldown "3.0.0"
+    async "2.6.2"
+    bip39 "2.5.0"
+    cachedown "1.0.0"
+    clone "2.1.2"
+    debug "3.2.6"
+    encoding-down "5.0.4"
+    eth-sig-util "2.2.0"
+    ethereumjs-abi "0.6.7"
+    ethereumjs-account "3.0.0"
+    ethereumjs-block "2.2.0"
+    ethereumjs-tx "1.3.7"
+    ethereumjs-util "6.1.0"
+    ethereumjs-vm "3.0.0"
+    heap "0.2.6"
+    level-sublevel "6.6.4"
+    levelup "3.1.1"
+    lodash "4.17.14"
+    merkle-patricia-tree "2.3.2"
+    seedrandom "3.0.1"
+    source-map-support "0.5.12"
+    tmp "0.1.0"
+    web3-provider-engine "14.2.0"
+    websocket "1.0.29"
+  optionalDependencies:
+    ethereumjs-wallet "0.6.3"
+    web3 "1.0.0-beta.35"
+
+gauge@~2.7.3:
+  version "2.7.4"
+  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
+  integrity sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=
   dependencies:
-    bn.js "4.11.8"
-    source-map-support "0.5.9"
-    yargs "11.1.0"
+    aproba "^1.0.3"
+    console-control-strings "^1.0.0"
+    has-unicode "^2.0.0"
+    object-assign "^4.1.0"
+    signal-exit "^3.0.0"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wide-align "^1.1.0"
 
 genfun@^5.0.0:
   version "5.0.0"
@@ -1828,6 +3504,11 @@ get-stream@^5.1.0:
   dependencies:
     pump "^3.0.0"
 
+get-value@^2.0.3, get-value@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/get-value/-/get-value-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
+  integrity sha1-3BXKHGcjh8p2vTesCjlbogQqLCg=
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
@@ -1835,6 +3516,42 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
+glob-parent@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
+  integrity sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=
+  dependencies:
+    is-glob "^3.1.0"
+    path-dirname "^1.0.0"
+
+glob-stream@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-6.1.0.tgz#7045c99413b3eb94888d83ab46d0b404cc7bdde4"
+  integrity sha1-cEXJlBOz65SIjYOrRtC0BMx73eQ=
+  dependencies:
+    extend "^3.0.0"
+    glob "^7.1.1"
+    glob-parent "^3.1.0"
+    is-negated-glob "^1.0.0"
+    ordered-read-streams "^1.0.0"
+    pumpify "^1.3.5"
+    readable-stream "^2.1.5"
+    remove-trailing-separator "^1.0.1"
+    to-absolute-glob "^2.0.0"
+    unique-stream "^2.0.2"
+
+glob-watcher@^5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-5.0.3.tgz#88a8abf1c4d131eb93928994bc4a593c2e5dd626"
+  integrity sha512-8tWsULNEPHKQ2MR4zXuzSmqbdyV5PtwwCaWSGQ1WwHsJ07ilNeN1JB8ntxhckbnpSHaf9dXFUHzIWvm1I13dsg==
+  dependencies:
+    anymatch "^2.0.0"
+    async-done "^1.2.0"
+    chokidar "^2.0.0"
+    is-negated-glob "^1.0.0"
+    just-debounce "^1.0.0"
+    object.defaults "^1.1.0"
+
 glob@7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -1858,7 +3575,7 @@ glob@^5.0.15:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.1.3, glob@^7.1.4:
+glob@^7.0.0, glob@^7.1.1, glob@^7.1.3, glob@^7.1.4, glob@~7.1.4:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
@@ -1877,6 +3594,26 @@ global-dirs@^0.1.0:
   dependencies:
     ini "^1.3.4"
 
+global-modules@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-1.0.0.tgz#6d770f0eb523ac78164d72b5e71a8877265cc3ea"
+  integrity sha512-sKzpEkf11GpOFuw0Zzjzmt4B4UZwjOcG757PPvrfhxcLFbq0wpsgpOqxpxtxFiCG4DtG93M6XRVbF2oGdev7bg==
+  dependencies:
+    global-prefix "^1.0.1"
+    is-windows "^1.0.1"
+    resolve-dir "^1.0.0"
+
+global-prefix@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-1.0.2.tgz#dbf743c6c14992593c655568cb66ed32c0122ebe"
+  integrity sha1-2/dDxsFJklk8ZVVoy2btMsASLr4=
+  dependencies:
+    expand-tilde "^2.0.2"
+    homedir-polyfill "^1.0.1"
+    ini "^1.3.4"
+    is-windows "^1.0.1"
+    which "^1.2.14"
+
 global@~4.3.0:
   version "4.3.2"
   resolved "https://registry.yarnpkg.com/global/-/global-4.3.2.tgz#e76989268a6c74c38908b1305b10fc0e394e9d0f"
@@ -1885,6 +3622,18 @@ global@~4.3.0:
     min-document "^2.19.0"
     process "~0.5.1"
 
+globals@^9.18.0:
+  version "9.18.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
+  integrity sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==
+
+glogg@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.2.tgz#2d7dd702beda22eb3bffadf880696da6d846313f"
+  integrity sha512-5mwUoSuBk44Y4EshyiqcH95ZntbDdTQqA3QYSrxmzj28Ai0vXBGMH1ApSANH14j2sIRtqCEyg6PfsuP7ElOEDA==
+  dependencies:
+    sparkles "^1.0.0"
+
 got@7.1.0, got@^7.1.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz#05450fd84094e6bbea56f451a43a9c289166385a"
@@ -1905,6 +3654,23 @@ got@7.1.0, got@^7.1.0:
     url-parse-lax "^1.0.0"
     url-to-options "^1.0.1"
 
+got@9.6.0, got@^9.3.0, got@^9.6.0:
+  version "9.6.0"
+  resolved "https://registry.yarnpkg.com/got/-/got-9.6.0.tgz#edf45e7d67f99545705de1f7bbeeeb121765ed85"
+  integrity sha512-R7eWptXuGYxwijs0eV+v3o6+XH1IqVK8dJOEecQfTmkncw9AV4dcw/Dhxi8MdlqPthxxpZyizMzyg8RTmEsG+Q==
+  dependencies:
+    "@sindresorhus/is" "^0.14.0"
+    "@szmarczak/http-timer" "^1.1.2"
+    cacheable-request "^6.0.0"
+    decompress-response "^3.3.0"
+    duplexer3 "^0.1.4"
+    get-stream "^4.1.0"
+    lowercase-keys "^1.0.1"
+    mimic-response "^1.0.1"
+    p-cancelable "^1.0.0"
+    to-readable-stream "^1.0.0"
+    url-parse-lax "^3.0.0"
+
 got@^8.3.1:
   version "8.3.2"
   resolved "https://registry.yarnpkg.com/got/-/got-8.3.2.tgz#1d23f64390e97f776cac52e5b936e5f514d2e937"
@@ -1928,22 +3694,10 @@ got@^8.3.1:
     url-parse-lax "^3.0.0"
     url-to-options "^1.0.1"
 
-got@^9.3.0, got@^9.6.0:
-  version "9.6.0"
-  resolved "https://registry.yarnpkg.com/got/-/got-9.6.0.tgz#edf45e7d67f99545705de1f7bbeeeb121765ed85"
-  integrity sha512-R7eWptXuGYxwijs0eV+v3o6+XH1IqVK8dJOEecQfTmkncw9AV4dcw/Dhxi8MdlqPthxxpZyizMzyg8RTmEsG+Q==
-  dependencies:
-    "@sindresorhus/is" "^0.14.0"
-    "@szmarczak/http-timer" "^1.1.2"
-    cacheable-request "^6.0.0"
-    decompress-response "^3.3.0"
-    duplexer3 "^0.1.4"
-    get-stream "^4.1.0"
-    lowercase-keys "^1.0.1"
-    mimic-response "^1.0.1"
-    p-cancelable "^1.0.0"
-    to-readable-stream "^1.0.0"
-    url-parse-lax "^3.0.0"
+graceful-fs@^4.0.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.1.tgz#1c1f0c364882c868f5bff6512146328336a11b1d"
+  integrity sha512-b9usnbDGnD928gJB3LrCmxoibr3VE4U2SMo5PBuBnokWyDADTqDPXg4YpwKF1trpH+UbGp7QLicO3+aWEy0+mw==
 
 graceful-fs@^4.1.10, graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.2.0"
@@ -1960,6 +3714,47 @@ growl@1.10.5:
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
   integrity sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==
 
+gulp-cli@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/gulp-cli/-/gulp-cli-2.2.0.tgz#5533126eeb7fe415a7e3e84a297d334d5cf70ebc"
+  integrity sha512-rGs3bVYHdyJpLqR0TUBnlcZ1O5O++Zs4bA0ajm+zr3WFCfiSLjGwoCBqFs18wzN+ZxahT9DkOK5nDf26iDsWjA==
+  dependencies:
+    ansi-colors "^1.0.1"
+    archy "^1.0.0"
+    array-sort "^1.0.0"
+    color-support "^1.1.3"
+    concat-stream "^1.6.0"
+    copy-props "^2.0.1"
+    fancy-log "^1.3.2"
+    gulplog "^1.0.0"
+    interpret "^1.1.0"
+    isobject "^3.0.1"
+    liftoff "^3.1.0"
+    matchdep "^2.0.0"
+    mute-stdout "^1.0.0"
+    pretty-hrtime "^1.0.0"
+    replace-homedir "^1.0.0"
+    semver-greatest-satisfied-range "^1.1.0"
+    v8flags "^3.0.1"
+    yargs "^7.1.0"
+
+gulp@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.2.tgz#543651070fd0f6ab0a0650c6a3e6ff5a7cb09caa"
+  integrity sha512-dvEs27SCZt2ibF29xYgmnwwCYZxdxhQ/+LFWlbAW8y7jt68L/65402Lz3+CKy0Ov4rOs+NERmDq7YlZaDqUIfA==
+  dependencies:
+    glob-watcher "^5.0.3"
+    gulp-cli "^2.2.0"
+    undertaker "^1.2.1"
+    vinyl-fs "^3.0.0"
+
+gulplog@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/gulplog/-/gulplog-1.0.0.tgz#e28c4d45d05ecbbed818363ce8f9c5926229ffe5"
+  integrity sha1-4oxNRdBey77YGDY86PnFkmIp/+U=
+  dependencies:
+    glogg "^1.0.0"
+
 handlebars@^4.0.1:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
@@ -2018,12 +3813,48 @@ has-to-string-tag-x@^1.2.0:
   dependencies:
     has-symbol-support-x "^1.4.1"
 
+has-unicode@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
+  integrity sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=
+
+has-value@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
+  integrity sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=
+  dependencies:
+    get-value "^2.0.3"
+    has-values "^0.1.4"
+    isobject "^2.0.0"
+
+has-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-1.0.0.tgz#18b281da585b1c5c51def24c930ed29a0be6b177"
+  integrity sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=
+  dependencies:
+    get-value "^2.0.6"
+    has-values "^1.0.0"
+    isobject "^3.0.0"
+
+has-values@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-0.1.4.tgz#6d61de95d91dfca9b9a02089ad384bff8f62b771"
+  integrity sha1-bWHeldkd/Km5oCCJrThL/49it3E=
+
+has-values@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-1.0.0.tgz#95b0b63fec2146619a6fe57fe75628d5a39efe4f"
+  integrity sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=
+  dependencies:
+    is-number "^3.0.0"
+    kind-of "^4.0.0"
+
 has-yarn@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/has-yarn/-/has-yarn-2.1.0.tgz#137e11354a7b5bf11aa5cb649cf0c6f3ff2b2e77"
   integrity sha512-UqBRqi4ju7T+TqGNdqAO0PaSVGsDGJUBQvk9eUWNGRY1CFGDzYhLWoM7JQEemnlvVcv/YEmc2wNW8BC24EnUsw==
 
-has@^1.0.1, has@^1.0.3:
+has@^1.0.1, has@^1.0.3, has@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
   integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
@@ -2068,6 +3899,11 @@ he@1.1.1:
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
   integrity sha1-k0EP0hsAlzUVH4howvJx80J+I/0=
 
+heap@0.2.6:
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/heap/-/heap-0.2.6.tgz#087e1f10b046932fc8594dd9e6d378afc9d1e5ac"
+  integrity sha1-CH4fELBGky/IWU3Z5tN4r8nR5aw=
+
 hmac-drbg@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
@@ -2077,6 +3913,21 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
+home-or-tmp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
+  integrity sha1-42w/LSyufXRqhX440Y1fMqeILbg=
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.1"
+
+homedir-polyfill@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"
+  integrity sha512-eSmmWE5bZTK2Nou4g0AI3zZ9rswp7GRKoKXS1BLUkvPviOqs4YTN1djQIqrXy9k5gEtdLPy86JjRwsNM9tnDcA==
+  dependencies:
+    parse-passwd "^1.0.0"
+
 hosted-git-info@^2.1.4, hosted-git-info@^2.6.0:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
@@ -2151,7 +4002,7 @@ humanize-ms@^1.2.1:
   dependencies:
     ms "^2.0.0"
 
-iconv-lite@0.4.24, iconv-lite@~0.4.13:
+iconv-lite@0.4.24, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -2182,6 +4033,11 @@ ignore-walk@^3.0.1:
   dependencies:
     minimatch "^3.0.4"
 
+immediate@^3.2.3, immediate@~3.2.3:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.2.3.tgz#d140fa8f614659bd6541233097ddaac25cdd991c"
+  integrity sha1-0UD6j2FGWb1lQSMwl92qwlzdmRw=
+
 import-lazy@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/import-lazy/-/import-lazy-2.1.0.tgz#05698e3d45c88e8d7e9d92cb0584e77f096f3e43"
@@ -2205,7 +4061,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.3:
+inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3, 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==
@@ -2220,7 +4076,7 @@ ini@^1.3.4, ini@^1.3.5, ini@~1.3.0:
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
   integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
 
-interpret@^1.0.0:
+interpret@^1.0.0, interpret@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
   integrity sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==
@@ -2233,6 +4089,13 @@ into-stream@^3.1.0:
     from2 "^2.1.1"
     p-is-promise "^1.1.0"
 
+invariant@^2.2.2:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
+  dependencies:
+    loose-envify "^1.0.0"
+
 invert-kv@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
@@ -2255,10 +4118,49 @@ ipaddr.js@1.9.0:
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.0.tgz#37df74e430a0e47550fe54a2defe30d8acd95f65"
   integrity sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
 
-is-callable@^1.1.3, is-callable@^1.1.4:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
-  integrity sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==
+is-absolute@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-absolute/-/is-absolute-1.0.0.tgz#395e1ae84b11f26ad1795e73c17378e48a301576"
+  integrity sha512-dOWoqflvcydARa360Gvv18DZ/gRuHKi2NU/wU5X1ZFzdYfH29nkiNZsF3mp4OJ3H4yo9Mx8A/uAGNzpzPN3yBA==
+  dependencies:
+    is-relative "^1.0.0"
+    is-windows "^1.0.1"
+
+is-accessor-descriptor@^0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
+  integrity sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-accessor-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz#169c2f6d3df1f992618072365c9b0ea1f6878656"
+  integrity sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+  integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
+
+is-binary-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
+  integrity sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=
+  dependencies:
+    binary-extensions "^1.0.0"
+
+is-buffer@^1.1.5:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
+
+is-callable@^1.1.3, is-callable@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
+  integrity sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==
 
 is-ci@^2.0.0:
   version "2.0.0"
@@ -2267,11 +4169,72 @@ is-ci@^2.0.0:
   dependencies:
     ci-info "^2.0.0"
 
+is-data-descriptor@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
+  integrity sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-data-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz#d84876321d0e7add03990406abbbbd36ba9268c7"
+  integrity sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==
+  dependencies:
+    kind-of "^6.0.0"
+
 is-date-object@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
   integrity sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=
 
+is-descriptor@^0.1.0:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-0.1.6.tgz#366d8240dde487ca51823b1ab9f07a10a78251ca"
+  integrity sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==
+  dependencies:
+    is-accessor-descriptor "^0.1.6"
+    is-data-descriptor "^0.1.4"
+    kind-of "^5.0.0"
+
+is-descriptor@^1.0.0, is-descriptor@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-1.0.2.tgz#3b159746a66604b04f8c81524ba365c5f14d86ec"
+  integrity sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==
+  dependencies:
+    is-accessor-descriptor "^1.0.0"
+    is-data-descriptor "^1.0.0"
+    kind-of "^6.0.2"
+
+is-extendable@^0.1.0, is-extendable@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
+  integrity sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=
+
+is-extendable@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
+  integrity sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==
+  dependencies:
+    is-plain-object "^2.0.4"
+
+is-extglob@^2.1.0, is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
+is-finite@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
+  integrity sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fn@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fn/-/is-fn-1.0.0.tgz#9543d5de7bcf5b08a22ec8a20bae6e286d510d8c"
+  integrity sha1-lUPV3nvPWwiiLsiiC65uKG1RDYw=
+
 is-fullwidth-code-point@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
@@ -2289,6 +4252,20 @@ is-function@^1.0.1:
   resolved "https://registry.yarnpkg.com/is-function/-/is-function-1.0.1.tgz#12cfb98b65b57dd3d193a3121f5f6e2f437602b5"
   integrity sha1-Es+5i2W1fdPRk6MSH19uL0N2ArU=
 
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  integrity sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=
+  dependencies:
+    is-extglob "^2.1.0"
+
+is-glob@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
+  dependencies:
+    is-extglob "^2.1.1"
+
 is-hex-prefixed@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-hex-prefixed/-/is-hex-prefixed-1.0.0.tgz#7d8d37e6ad77e5d127148913c573e082d777f554"
@@ -2307,11 +4284,28 @@ is-natural-number@^4.0.1:
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
   integrity sha1-q5124dtM7VHjXeDHLr7PCfc0zeg=
 
+is-negated-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-negated-glob/-/is-negated-glob-1.0.0.tgz#6910bca5da8c95e784b5751b976cf5a10fee36d2"
+  integrity sha1-aRC8pdqMleeEtXUbl2z1oQ/uNtI=
+
 is-npm@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/is-npm/-/is-npm-3.0.0.tgz#ec9147bfb629c43f494cf67936a961edec7e8053"
   integrity sha512-wsigDr1Kkschp2opC4G3yA6r9EgVA6NjRpWzIi9axXqeIaAATPRJc4uLujXe3Nd9uO8KoDyA4MD6aZSeXTADhA==
 
+is-number@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-3.0.0.tgz#24fd6201a4782cf50561c810276afc7d12d71195"
+  integrity sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
+
 is-obj@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
@@ -2334,6 +4328,13 @@ is-plain-obj@^1.0.0, is-plain-obj@^1.1.0:
   resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
   integrity sha1-caUMhCnfync8kqOQpKA7OfzVHT4=
 
+is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
+  integrity sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==
+  dependencies:
+    isobject "^3.0.1"
+
 is-regex@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
@@ -2341,12 +4342,19 @@ is-regex@^1.0.4:
   dependencies:
     has "^1.0.1"
 
+is-relative@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-relative/-/is-relative-1.0.0.tgz#a1bb6935ce8c5dba1e8b9754b9b2dcc020e2260d"
+  integrity sha512-Kw/ReK0iqwKeu0MITLFuj0jbPAmEiOsIwyIXvvbfa6QfmN9pkD1M+8pdk7Rl/dTKbH34/XBFMbgD4iMJhLQbGA==
+  dependencies:
+    is-unc-path "^1.0.0"
+
 is-retry-allowed@^1.0.0, is-retry-allowed@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
   integrity sha1-EaBgVotnM5REAz0BJaYaINVk+zQ=
 
-is-stream@^1.0.0, is-stream@^1.1.0:
+is-stream@^1.0.0, is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
   integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
@@ -2363,12 +4371,39 @@ is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
   integrity sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=
 
+is-unc-path@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-unc-path/-/is-unc-path-1.0.0.tgz#d731e8898ed090a12c352ad2eaed5095ad322c9d"
+  integrity sha512-mrGpVd0fs7WWLfVsStvgF6iEJnbjDFZh9/emhRDcGWTduTfNHd9CHeUwH3gYIjdbwo4On6hunkztwOaAw0yllQ==
+  dependencies:
+    unc-path-regex "^0.1.2"
+
+is-utf8@^0.2.0, is-utf8@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+  integrity sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=
+
+is-valid-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-valid-glob/-/is-valid-glob-1.0.0.tgz#29bf3eff701be2d4d315dbacc39bc39fe8f601aa"
+  integrity sha1-Kb8+/3Ab4tTTFdusw5vDn+j2Aao=
+
+is-windows@^1.0.1, is-windows@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
+  integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==
+
 is-yarn-global@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/is-yarn-global/-/is-yarn-global-0.3.0.tgz#d502d3382590ea3004893746754c89139973e232"
   integrity sha512-VjSeb/lHmkoyd8ryPVIKvOCn4D1koMqY+vqyjjUfc3xyKtP4dYOxM44sZrnqQSzSds3xyOrUTLTC9LVCVgLngw==
 
-isarray@~1.0.0:
+isarray@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
+  integrity sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=
+
+isarray@1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
   integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
@@ -2378,6 +4413,18 @@ isexe@^2.0.0:
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
   integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
 
+isobject@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
+  integrity sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=
+  dependencies:
+    isarray "1.0.0"
+
+isobject@^3.0.0, isobject@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
+  integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
+
 isomorphic-ws@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/isomorphic-ws/-/isomorphic-ws-4.0.1.tgz#55fd4cd6c5e6491e76dc125938dd863f5cd4f2dc"
@@ -2431,6 +4478,16 @@ js-sha3@^0.6.1:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.6.1.tgz#5b89f77a7477679877f58c4a075240934b1f95c0"
   integrity sha1-W4n3enR3Z5h39YxKB1JAk0sflcA=
 
+"js-tokens@^3.0.0 || ^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-tokens@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+  integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
+
 js-yaml@3.x, js-yaml@^3.12.0:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
@@ -2444,6 +4501,16 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
+jsesc@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
+  integrity sha1-RsP+yMGJKxKwgz25vHYiF226s0s=
+
+jsesc@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+  integrity sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=
+
 json-buffer@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.0.tgz#5b1f397afc75d677bde8bcfc0e47e1f9a3d9a898"
@@ -2461,6 +4528,30 @@ json-parse-helpfulerror@^1.0.3:
   dependencies:
     jju "^1.1.0"
 
+json-rpc-engine@^3.4.0, json-rpc-engine@^3.6.0:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/json-rpc-engine/-/json-rpc-engine-3.8.0.tgz#9d4ff447241792e1d0a232f6ef927302bb0c62a9"
+  integrity sha512-6QNcvm2gFuuK4TKU1uwfH0Qd/cOSb9c1lls0gbnIhciktIUQJwz6NQNAW4B1KiGPenv7IKu97V222Yo1bNhGuA==
+  dependencies:
+    async "^2.0.1"
+    babel-preset-env "^1.7.0"
+    babelify "^7.3.0"
+    json-rpc-error "^2.0.0"
+    promise-to-callback "^1.0.0"
+    safe-event-emitter "^1.0.1"
+
+json-rpc-error@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/json-rpc-error/-/json-rpc-error-2.0.0.tgz#a7af9c202838b5e905c7250e547f1aff77258a02"
+  integrity sha1-p6+cICg4tekFxyUOVH8a/3cligI=
+  dependencies:
+    inherits "^2.0.1"
+
+json-rpc-random-id@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-rpc-random-id/-/json-rpc-random-id-1.0.1.tgz#ba49d96aded1444dbb8da3d203748acbbcdec8c8"
+  integrity sha1-uknZat7RRE27jaPSA3SKy7zeyMg=
+
 json-schema-traverse@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
@@ -2471,11 +4562,28 @@ json-schema@0.2.3:
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
   integrity sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=
 
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+  integrity sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=
+
+json-stable-stringify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
+  integrity sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=
+  dependencies:
+    jsonify "~0.0.0"
+
 json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
   integrity sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=
 
+json5@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
+  integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
+
 json5@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/json5/-/json5-2.1.0.tgz#e7a0c62c48285c628d20a10b85c89bb807c32850"
@@ -2497,6 +4605,11 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+  integrity sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=
+
 jsonparse@^1.2.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
@@ -2512,6 +4625,11 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+just-debounce@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/just-debounce/-/just-debounce-1.0.0.tgz#87fccfaeffc0b68cd19d55f6722943f929ea35ea"
+  integrity sha1-h/zPrv/AtozRnVX2cilD+SnqNeo=
+
 keccak@^1.0.2:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/keccak/-/keccak-1.4.0.tgz#572f8a6dbee8e7b3aa421550f9e6408ca2186f80"
@@ -2522,7 +4640,7 @@ keccak@^1.0.2:
     nan "^2.2.1"
     safe-buffer "^5.1.0"
 
-keccakjs@^0.2.1:
+keccakjs@^0.2.0, keccakjs@^0.2.1:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.3.tgz#5e4e969ce39689a3861f445d7752ee3477f9fe72"
   integrity sha512-BjLkNDcfaZ6l8HBG9tH0tpmDv3sS2mA7FNQxFHpCdzP3Gb2MVruXBSuoM66SnVxKJpAr5dKGdkHD+bDokt8fTg==
@@ -2544,6 +4662,30 @@ keyv@^3.0.0:
   dependencies:
     json-buffer "3.0.0"
 
+kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  integrity sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-4.0.0.tgz#20813df3d712928b207378691a45066fae72dd57"
+  integrity sha1-IIE989cSkosgc3hpGkUGb65y3Vc=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^5.0.0, kind-of@^5.0.2:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
+  integrity sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==
+
+kind-of@^6.0.0, kind-of@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
+  integrity sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==
+
 klaw@^1.0.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
@@ -2556,6 +4698,14 @@ kleur@^3.0.2:
   resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.3.tgz#a79c9ecc86ee1ce3fa6206d1216c501f147fc07e"
   integrity sha512-eTIzlVOSUR+JxdDFepEYcBMtZ9Qqdef+rnzWdRZuMbOywu5tO2w2N7rqjoANZ5k9vywhL6Br1VRjUIgTQx4E8w==
 
+last-run@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/last-run/-/last-run-1.1.1.tgz#45b96942c17b1c79c772198259ba943bebf8ca5b"
+  integrity sha1-RblpQsF7HHnHchmCWbqUO+v4yls=
+  dependencies:
+    default-resolution "^2.0.0"
+    es6-weak-map "^2.0.1"
+
 latest-version@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-5.1.0.tgz#119dfe908fe38d15dfa43ecd13fa12ec8832face"
@@ -2563,6 +4713,13 @@ latest-version@^5.0.0:
   dependencies:
     package-json "^6.3.0"
 
+lazystream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lazystream/-/lazystream-1.0.0.tgz#f6995fe0f820392f61396be89462407bb77168e4"
+  integrity sha1-9plf4PggOS9hOWvolGJAe7dxaOQ=
+  dependencies:
+    readable-stream "^2.0.5"
+
 lcid@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
@@ -2570,6 +4727,142 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+lead@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lead/-/lead-1.0.0.tgz#6f14f99a37be3a9dd784f5495690e5903466ee42"
+  integrity sha1-bxT5mje+Op3XhPVJVpDlkDRm7kI=
+  dependencies:
+    flush-write-stream "^1.0.2"
+
+level-codec@^9.0.0:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-9.0.1.tgz#042f4aa85e56d4328ace368c950811ba802b7247"
+  integrity sha512-ajFP0kJ+nyq4i6kptSM+mAvJKLOg1X5FiFPtLG9M5gCEZyBmgDi3FkDrvlMkEzrUn1cWxtvVmrvoS4ASyO/q+Q==
+
+level-codec@~7.0.0:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-7.0.1.tgz#341f22f907ce0f16763f24bddd681e395a0fb8a7"
+  integrity sha512-Ua/R9B9r3RasXdRmOtd+t9TCOEIIlts+TN/7XTT2unhDaL6sJn83S3rUyljbr6lVtw49N3/yA0HHjpV6Kzb2aQ==
+
+level-errors@^1.0.3:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-1.1.2.tgz#4399c2f3d3ab87d0625f7e3676e2d807deff404d"
+  integrity sha512-Sw/IJwWbPKF5Ai4Wz60B52yj0zYeqzObLh8k1Tk88jVmD51cJSKWSYpRyhVIvFzZdvsPqlH5wfhp/yxdsaQH4w==
+  dependencies:
+    errno "~0.1.1"
+
+level-errors@^2.0.0, level-errors@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-2.0.1.tgz#2132a677bf4e679ce029f517c2f17432800c05c8"
+  integrity sha512-UVprBJXite4gPS+3VznfgDSU8PTRuVX0NXwoWW50KLxd2yw4Y1t2JUR5In1itQnudZqRMT9DlAM3Q//9NCjCFw==
+  dependencies:
+    errno "~0.1.1"
+
+level-errors@~1.0.3:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/level-errors/-/level-errors-1.0.5.tgz#83dbfb12f0b8a2516bdc9a31c4876038e227b859"
+  integrity sha512-/cLUpQduF6bNrWuAC4pwtUKA5t669pCsCi2XbmojG2tFeOr9j6ShtdDCtFFQO1DRt+EVZhx9gPzP9G2bUaG4ig==
+  dependencies:
+    errno "~0.1.1"
+
+level-iterator-stream@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-2.0.3.tgz#ccfff7c046dcf47955ae9a86f46dfa06a31688b4"
+  integrity sha512-I6Heg70nfF+e5Y3/qfthJFexhRw/Gi3bIymCoXAlijZdAcLaPuWSJs3KXyTYf23ID6g0o2QF62Yh+grOXY3Rig==
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.5"
+    xtend "^4.0.0"
+
+level-iterator-stream@~1.3.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-1.3.1.tgz#e43b78b1a8143e6fa97a4f485eb8ea530352f2ed"
+  integrity sha1-5Dt4sagUPm+pek9IXrjqUwNS8u0=
+  dependencies:
+    inherits "^2.0.1"
+    level-errors "^1.0.3"
+    readable-stream "^1.0.33"
+    xtend "^4.0.0"
+
+level-iterator-stream@~3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/level-iterator-stream/-/level-iterator-stream-3.0.1.tgz#2c98a4f8820d87cdacab3132506815419077c730"
+  integrity sha512-nEIQvxEED9yRThxvOrq8Aqziy4EGzrxSZK+QzEFAVuJvQ8glfyZ96GB6BoI4sBbLfjMXm2w4vu3Tkcm9obcY0g==
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.3.6"
+    xtend "^4.0.0"
+
+level-mem@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/level-mem/-/level-mem-3.0.1.tgz#7ce8cf256eac40f716eb6489654726247f5a89e5"
+  integrity sha512-LbtfK9+3Ug1UmvvhR2DqLqXiPW1OJ5jEh0a3m9ZgAipiwpSxGj/qaVVy54RG5vAQN1nCuXqjvprCuKSCxcJHBg==
+  dependencies:
+    level-packager "~4.0.0"
+    memdown "~3.0.0"
+
+level-packager@~4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/level-packager/-/level-packager-4.0.1.tgz#7e7d3016af005be0869bc5fa8de93d2a7f56ffe6"
+  integrity sha512-svCRKfYLn9/4CoFfi+d8krOtrp6RoX8+xm0Na5cgXMqSyRru0AnDYdLl+YI8u1FyS6gGZ94ILLZDE5dh2but3Q==
+  dependencies:
+    encoding-down "~5.0.0"
+    levelup "^3.0.0"
+
+level-post@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/level-post/-/level-post-1.0.7.tgz#19ccca9441a7cc527879a0635000f06d5e8f27d0"
+  integrity sha512-PWYqG4Q00asOrLhX7BejSajByB4EmG2GaKHfj3h5UmmZ2duciXLPGYWIjBzLECFWUGOZWlm5B20h/n3Gs3HKew==
+  dependencies:
+    ltgt "^2.1.2"
+
+level-sublevel@6.6.4:
+  version "6.6.4"
+  resolved "https://registry.yarnpkg.com/level-sublevel/-/level-sublevel-6.6.4.tgz#f7844ae893919cd9d69ae19d7159499afd5352ba"
+  integrity sha512-pcCrTUOiO48+Kp6F1+UAzF/OtWqLcQVTVF39HLdZ3RO8XBoXt+XVPKZO1vVr1aUoxHZA9OtD2e1v7G+3S5KFDA==
+  dependencies:
+    bytewise "~1.1.0"
+    level-codec "^9.0.0"
+    level-errors "^2.0.0"
+    level-iterator-stream "^2.0.3"
+    ltgt "~2.1.1"
+    pull-defer "^0.2.2"
+    pull-level "^2.0.3"
+    pull-stream "^3.6.8"
+    typewiselite "~1.0.0"
+    xtend "~4.0.0"
+
+level-ws@0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/level-ws/-/level-ws-0.0.0.tgz#372e512177924a00424b0b43aef2bb42496d228b"
+  integrity sha1-Ny5RIXeSSgBCSwtDrvK7QkltIos=
+  dependencies:
+    readable-stream "~1.0.15"
+    xtend "~2.1.1"
+
+levelup@3.1.1, levelup@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/levelup/-/levelup-3.1.1.tgz#c2c0b3be2b4dc316647c53b42e2f559e232d2189"
+  integrity sha512-9N10xRkUU4dShSRRFTBdNaBxofz+PGaIZO962ckboJZiNmLuhVT6FZ6ZKAsICKfUBO76ySaYU6fJWX/jnj3Lcg==
+  dependencies:
+    deferred-leveldown "~4.0.0"
+    level-errors "~2.0.0"
+    level-iterator-stream "~3.0.0"
+    xtend "~4.0.0"
+
+levelup@^1.2.1:
+  version "1.3.9"
+  resolved "https://registry.yarnpkg.com/levelup/-/levelup-1.3.9.tgz#2dbcae845b2bb2b6bea84df334c475533bbd82ab"
+  integrity sha512-VVGHfKIlmw8w1XqpGOAGwq6sZm2WwWLmlDcULkKWQXEA5EopA8OBNJ2Ck2v6bdk8HeEZSbCSEgzXadyQFm76sQ==
+  dependencies:
+    deferred-leveldown "~1.2.1"
+    level-codec "~7.0.0"
+    level-errors "~1.0.3"
+    level-iterator-stream "~1.3.0"
+    prr "~1.0.1"
+    semver "~5.4.1"
+    xtend "~4.0.0"
+
 levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -2587,6 +4880,31 @@ libnpmconfig@^1.2.1:
     find-up "^3.0.0"
     ini "^1.3.5"
 
+liftoff@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-3.1.0.tgz#c9ba6081f908670607ee79062d700df062c52ed3"
+  integrity sha512-DlIPlJUkCV0Ips2zf2pJP0unEoT1kwYhiiPUGF3s/jtxTCjziNLoiVVh+jqWOWeFi6mmwQ5fNxvAUyPad4Dfog==
+  dependencies:
+    extend "^3.0.0"
+    findup-sync "^3.0.0"
+    fined "^1.0.1"
+    flagged-respawn "^1.0.0"
+    is-plain-object "^2.0.4"
+    object.map "^1.0.0"
+    rechoir "^0.6.2"
+    resolve "^1.1.7"
+
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  integrity sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
 locate-path@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-2.0.0.tgz#2b568b265eec944c6d9c0de9c3dbbbca0354cd8e"
@@ -2610,11 +4928,33 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
-lodash@^4.17.11, lodash@^4.17.13, lodash@^4.2.0:
+lodash@4.17.14:
+  version "4.17.14"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.14.tgz#9ce487ae66c96254fe20b599f21b6816028078ba"
+  integrity sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==
+
+lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.4, lodash@^4.2.0:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
+looper@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/looper/-/looper-2.0.0.tgz#66cd0c774af3d4fedac53794f742db56da8f09ec"
+  integrity sha1-Zs0Md0rz1P7axTeU90LbVtqPCew=
+
+looper@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/looper/-/looper-3.0.0.tgz#2efa54c3b1cbaba9b94aee2e5914b0be57fbb749"
+  integrity sha1-LvpUw7HLq6m5Su4uWRSwvlf7t0k=
+
+loose-envify@^1.0.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
+  integrity sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==
+  dependencies:
+    js-tokens "^3.0.0 || ^4.0.0"
+
 lowercase-keys@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.0.tgz#4e3366b39e7f5457e35f1324bdf6f88d0bfc7306"
@@ -2630,6 +4970,13 @@ lowercase-keys@^2.0.0:
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
   integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
 
+lru-cache@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-3.2.0.tgz#71789b3b7f5399bec8565dda38aa30d2a097efee"
+  integrity sha1-cXibO39Tmb7IVl3aOKow0qCX7+4=
+  dependencies:
+    pseudomap "^1.0.1"
+
 lru-cache@^4.0.1:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.5.tgz#8bbe50ea85bed59bc9e33dcab8235ee9bcf443cd"
@@ -2645,6 +4992,16 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
+ltgt@^2.1.2, ltgt@~2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.2.1.tgz#f35ca91c493f7b73da0e07495304f17b31f87ee5"
+  integrity sha1-81ypHEk/e3PaDgdJUwTxezH4fuU=
+
+ltgt@~2.1.1:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.1.3.tgz#10851a06d9964b971178441c23c9e52698eece34"
+  integrity sha1-EIUaBtmWS5cReEQcI8nlJpjuzjQ=
+
 make-dir@^1.0.0, make-dir@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
@@ -2669,6 +5026,35 @@ make-fetch-happen@^5.0.0:
     socks-proxy-agent "^4.0.0"
     ssri "^6.0.0"
 
+make-iterator@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/make-iterator/-/make-iterator-1.0.1.tgz#29b33f312aa8f547c4a5e490f56afcec99133ad6"
+  integrity sha512-pxiuXh0iVEq7VM7KMIhs5gxsfxCux2URptUQaXo4iZZJxBAzTPOLE2BumO5dbfVYq/hBJFBR/a1mFDmOx5AGmw==
+  dependencies:
+    kind-of "^6.0.2"
+
+map-cache@^0.2.0, map-cache@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
+  integrity sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8=
+
+map-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/map-visit/-/map-visit-1.0.0.tgz#ecdca8f13144e660f1b5bd41f12f3479d98dfb8f"
+  integrity sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=
+  dependencies:
+    object-visit "^1.0.0"
+
+matchdep@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"
+  integrity sha1-xvNINKDY28OzfCfui7yyfHd1WC4=
+  dependencies:
+    findup-sync "^2.0.0"
+    micromatch "^3.0.4"
+    resolve "^1.4.0"
+    stack-trace "0.0.10"
+
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"
@@ -2690,6 +5076,30 @@ mem@^1.1.0:
   dependencies:
     mimic-fn "^1.0.0"
 
+memdown@^1.0.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/memdown/-/memdown-1.4.1.tgz#b4e4e192174664ffbae41361aa500f3119efe215"
+  integrity sha1-tOThkhdGZP+65BNhqlAPMRnv4hU=
+  dependencies:
+    abstract-leveldown "~2.7.1"
+    functional-red-black-tree "^1.0.1"
+    immediate "^3.2.3"
+    inherits "~2.0.1"
+    ltgt "~2.2.0"
+    safe-buffer "~5.1.1"
+
+memdown@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/memdown/-/memdown-3.0.0.tgz#93aca055d743b20efc37492e9e399784f2958309"
+  integrity sha512-tbV02LfZMWLcHcq4tw++NuqMO+FZX8tNJEiD2aNRm48ZZusVg5N8NART+dmBkepJVye986oixErf7jfXboMGMA==
+  dependencies:
+    abstract-leveldown "~5.0.0"
+    functional-red-black-tree "~1.0.1"
+    immediate "~3.2.3"
+    inherits "~2.0.1"
+    ltgt "~2.2.0"
+    safe-buffer "~5.1.1"
+
 memorystream@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/memorystream/-/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
@@ -2700,11 +5110,44 @@ merge-descriptors@1.0.1:
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
   integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
 
+merkle-patricia-tree@2.3.2, merkle-patricia-tree@^2.1.2, merkle-patricia-tree@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-2.3.2.tgz#982ca1b5a0fde00eed2f6aeed1f9152860b8208a"
+  integrity sha512-81PW5m8oz/pz3GvsAwbauj7Y00rqm81Tzad77tHBwU7pIAtN+TJnMSOJhxBKflSVYhptMMb9RskhqHqrSm1V+g==
+  dependencies:
+    async "^1.4.2"
+    ethereumjs-util "^5.0.0"
+    level-ws "0.0.0"
+    levelup "^1.2.1"
+    memdown "^1.0.0"
+    readable-stream "^2.0.0"
+    rlp "^2.0.0"
+    semaphore ">=1.0.1"
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
 
+micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
+  integrity sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.2"
+
 miller-rabin@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
@@ -2757,7 +5200,7 @@ minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
 
-"minimatch@2 || 3", minimatch@3.0.4, minimatch@^3.0.4:
+"minimatch@2 || 3", minimatch@3.0.4, minimatch@^3.0.2, 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==
@@ -2769,7 +5212,7 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@^1.2.0:
+minimist@^1.2.0, minimist@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
@@ -2810,6 +5253,14 @@ mississippi@^3.0.0:
     stream-each "^1.1.0"
     through2 "^2.0.0"
 
+mixin-deep@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.2.tgz#1120b43dc359a785dce65b55b82e257ccf479566"
+  integrity sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==
+  dependencies:
+    for-in "^1.0.2"
+    is-extendable "^1.0.1"
+
 mkdirp-promise@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/mkdirp-promise/-/mkdirp-promise-5.0.1.tgz#e9b8f68e552c68a9c1713b84883f7a1dd039b8a1"
@@ -2878,6 +5329,11 @@ ms@^2.0.0, ms@^2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
+mute-stdout@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mute-stdout/-/mute-stdout-1.0.1.tgz#acb0300eb4de23a7ddeec014e3e96044b3472331"
+  integrity sha512-kDcwXR4PS7caBpuRYYBUz9iVixUk3anO3f5OYFiIPwK/20vCzKCHyKoulbiDY1S53zD2bxUpxN/IJ+TnXjfvxg==
+
 mz@^2.6.0:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/mz/-/mz-2.7.0.tgz#95008057a56cafadc2bc63dde7f9ff6955948e32"
@@ -2892,7 +5348,7 @@ nan@2.13.2:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.13.2.tgz#f51dc7ae66ba7d5d55e1e6d4d8092e802c9aefe7"
   integrity sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw==
 
-nan@^2.0.8, nan@^2.14.0, nan@^2.2.1, nan@^2.3.3:
+nan@^2.0.8, nan@^2.12.1, nan@^2.14.0, nan@^2.2.1, nan@^2.3.3:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
@@ -2902,6 +5358,32 @@ nano-json-stream-parser@^0.1.2:
   resolved "https://registry.yarnpkg.com/nano-json-stream-parser/-/nano-json-stream-parser-0.1.2.tgz#0cc8f6d0e2b622b479c40d499c46d64b755c6f5f"
   integrity sha1-DMj20OK2IrR5xA1JnEbWS3Vcb18=
 
+nanomatch@^1.2.9:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
+  integrity sha512-fpoe2T0RbHwBTBUOftAfBPaDEi06ufaUai0mE6Yn1kacc3SnTErfb/h+X94VXzI64rKFHYImXSvdwGGCmwOqCA==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    fragment-cache "^0.2.1"
+    is-windows "^1.0.2"
+    kind-of "^6.0.2"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+needle@^2.2.1:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/needle/-/needle-2.4.0.tgz#6833e74975c444642590e15a750288c5f939b57c"
+  integrity sha512-4Hnwzr3mi5L97hMYeNl8wRW/Onhy4nUKR/lVemJ8gJedxxUyBLm9kkrDColJvoSfwi0jCNhD+xCdOtiGDQiRZg==
+  dependencies:
+    debug "^3.2.6"
+    iconv-lite "^0.4.4"
+    sax "^1.2.4"
+
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
@@ -2917,6 +5399,11 @@ nested-error-stacks@~2.0.1:
   resolved "https://registry.yarnpkg.com/nested-error-stacks/-/nested-error-stacks-2.0.1.tgz#d2cc9fc5235ddb371fc44d506234339c8e4b0a4b"
   integrity sha512-SrQrok4CATudVzBS7coSz26QRSmlK9TzzoFbeKfcPBUFPjcQM9Rqvr/DlJkOrwI/0KcgvMub1n1g5Jt9EgRn4A==
 
+next-tick@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
+  integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
+
 node-alias@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/node-alias/-/node-alias-1.0.4.tgz#1f1b916b56b9ea241c0135f97ced6940f556f292"
@@ -2925,6 +5412,13 @@ node-alias@^1.0.4:
     chalk "^1.1.1"
     lodash "^4.2.0"
 
+node-dir@^0.1.17:
+  version "0.1.17"
+  resolved "https://registry.yarnpkg.com/node-dir/-/node-dir-0.1.17.tgz#5f5665d93351335caabef8f1c554516cf5f1e4e5"
+  integrity sha1-X1Zl2TNRM1yqvvjxxVRRbPXx5OU=
+  dependencies:
+    minimatch "^3.0.2"
+
 node-fetch-npm@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/node-fetch-npm/-/node-fetch-npm-2.0.2.tgz#7258c9046182dca345b4208eda918daf33697ff7"
@@ -2934,11 +5428,40 @@ node-fetch-npm@^2.0.2:
     json-parse-better-errors "^1.0.0"
     safe-buffer "^5.1.1"
 
+node-fetch@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
+  integrity sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=
+
+node-fetch@~1.7.1:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
+  integrity sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==
+  dependencies:
+    encoding "^0.1.11"
+    is-stream "^1.0.1"
+
 node-http-xhr@^1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/node-http-xhr/-/node-http-xhr-1.3.4.tgz#0dbf827c2858f40c57a79375fc4be07c8ff46f55"
   integrity sha512-0bA08/2RKWxw6pMkOVd3KP+0F5+ifQLMMTDxrCgxlgkoU1N8DhCbCSAYEqpgaVYM2smvbVVewiXjW+8AyoLfxQ==
 
+node-pre-gyp@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.12.0.tgz#39ba4bb1439da030295f899e3b520b7785766149"
+  integrity sha512-4KghwV8vH5k+g2ylT+sLTjy5wmUOb9vPhnM8NHvRf9dHmnW/CndrFXy2aRPaPST6dugXSdHXfeaHQm77PIz/1A==
+  dependencies:
+    detect-libc "^1.0.2"
+    mkdirp "^0.5.1"
+    needle "^2.2.1"
+    nopt "^4.0.1"
+    npm-packlist "^1.1.6"
+    npmlog "^4.0.2"
+    rc "^1.2.7"
+    rimraf "^2.6.1"
+    semver "^5.3.0"
+    tar "^4"
+
 nopt@3.x:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
@@ -2946,7 +5469,15 @@ nopt@3.x:
   dependencies:
     abbrev "1"
 
-normalize-package-data@^2.4.0:
+nopt@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
+  integrity sha1-0NRoWv1UFRk8jHUFYC0NF81kR00=
+  dependencies:
+    abbrev "1"
+    osenv "^0.1.4"
+
+normalize-package-data@^2.3.2, normalize-package-data@^2.4.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
   integrity sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==
@@ -2956,6 +5487,18 @@ normalize-package-data@^2.4.0:
     semver "2 || 3 || 4 || 5"
     validate-npm-package-license "^3.0.1"
 
+normalize-path@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  integrity sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=
+  dependencies:
+    remove-trailing-separator "^1.0.1"
+
+normalize-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+  integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
+
 normalize-url@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-2.0.1.tgz#835a9da1551fa26f70e92329069a23aa6574d7e6"
@@ -2970,6 +5513,13 @@ normalize-url@^4.1.0:
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.3.0.tgz#9c49e10fc1876aeb76dba88bf1b2b5d9fa57b2ee"
   integrity sha512-0NLtR71o4k6GLP+mr6Ty34c5GA6CMoEsncKJxvQd8NzPxaHRJNnb5gZE8R1XF4CPIS7QPHLJ74IFszwtNVAHVQ==
 
+now-and-later@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/now-and-later/-/now-and-later-2.0.1.tgz#8e579c8685764a7cc02cb680380e94f43ccb1f7c"
+  integrity sha512-KGvQ0cB70AQfg107Xvs/Fbu+dGmZoTRJp2TaPwcwQm3/7PteUyN2BCgk8KBMPGBUXZdVwyWS8fDCGFygBm19UQ==
+  dependencies:
+    once "^1.3.2"
+
 npm-bundled@^1.0.1:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.6.tgz#e7ba9aadcef962bb61248f91721cd932b3fe6bdd"
@@ -3019,7 +5569,7 @@ npm-package-arg@^6.0.0, npm-package-arg@^6.1.0:
     semver "^5.5.0"
     validate-npm-package-name "^3.0.0"
 
-npm-packlist@^1.1.12:
+npm-packlist@^1.1.12, npm-packlist@^1.1.6:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.4.4.tgz#866224233850ac534b63d1a6e76050092b5d2f44"
   integrity sha512-zTLo8UcVYtDU3gdeaFu2Xu0n0EvelfHDGuqtNIn5RO7yQj4H1TqNdBc/yZjxnWA0PVB8D3Woyp0i5B43JwQ6Vw==
@@ -3055,6 +5605,16 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
+npmlog@^4.0.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
+  integrity sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==
+  dependencies:
+    are-we-there-yet "~1.1.2"
+    console-control-strings "~1.1.0"
+    gauge "~2.7.3"
+    set-blocking "~2.0.0"
+
 number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
@@ -3073,31 +5633,107 @@ oauth-sign@~0.9.0:
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
   integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
 
-object-assign@^4, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
+object-assign@^4, object-assign@^4.0.0, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
   integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
 
-object-keys@^1.0.12:
+object-copy@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/object-copy/-/object-copy-0.1.0.tgz#7e7d858b781bd7c991a41ba975ed3812754e998c"
+  integrity sha1-fn2Fi3gb18mRpBupde04EnVOmYw=
+  dependencies:
+    copy-descriptor "^0.1.0"
+    define-property "^0.2.5"
+    kind-of "^3.0.3"
+
+object-inspect@~1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
+  integrity sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==
+
+object-keys@^1.0.11, object-keys@^1.0.12:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
   integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
 
-oboe@2.1.3:
-  version "2.1.3"
-  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.3.tgz#2b4865dbd46be81225713f4e9bfe4bcf4f680a4f"
-  integrity sha1-K0hl29Rr6BIlcT9Om/5Lz09oCk8=
-  dependencies:
-    http-https "^1.0.0"
+object-keys@~0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
+  integrity sha1-KKaq50KN0sOpLz2V8hM13SBOAzY=
 
-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=
+object-visit@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
+  integrity sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=
   dependencies:
-    ee-first "1.1.1"
+    isobject "^3.0.0"
 
-once@1.x, once@^1.3.0, once@^1.3.1, once@^1.4.0:
+object.assign@^4.0.4:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
+  integrity sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    object-keys "^1.0.11"
+
+object.defaults@^1.0.0, object.defaults@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/object.defaults/-/object.defaults-1.1.0.tgz#3a7f868334b407dea06da16d88d5cd29e435fecf"
+  integrity sha1-On+GgzS0B96gbaFtiNXNKeQ1/s8=
+  dependencies:
+    array-each "^1.0.1"
+    array-slice "^1.0.0"
+    for-own "^1.0.0"
+    isobject "^3.0.0"
+
+object.map@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object.map/-/object.map-1.0.1.tgz#cf83e59dc8fcc0ad5f4250e1f78b3b81bd801d37"
+  integrity sha1-z4Plncj8wK1fQlDh94s7gb2AHTc=
+  dependencies:
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
+object.pick@^1.2.0, object.pick@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object.pick/-/object.pick-1.3.0.tgz#87a10ac4c1694bd2e1cbf53591a66141fb5dd747"
+  integrity sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=
+  dependencies:
+    isobject "^3.0.1"
+
+object.reduce@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object.reduce/-/object.reduce-1.0.1.tgz#6fe348f2ac7fa0f95ca621226599096825bb03ad"
+  integrity sha1-b+NI8qx/oPlcpiEiZZkJaCW7A60=
+  dependencies:
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
+oboe@2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.3.tgz#2b4865dbd46be81225713f4e9bfe4bcf4f680a4f"
+  integrity sha1-K0hl29Rr6BIlcT9Om/5Lz09oCk8=
+  dependencies:
+    http-https "^1.0.0"
+
+oboe@2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.4.tgz#20c88cdb0c15371bb04119257d4fdd34b0aa49f6"
+  integrity sha1-IMiM2wwVNxuwQRklfU/dNLCqSfY=
+  dependencies:
+    http-https "^1.0.0"
+
+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"
+
+once@1.x, once@^1.3.0, once@^1.3.1, once@^1.3.2, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
@@ -3124,6 +5760,13 @@ optionator@^0.8.1:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
+ordered-read-streams@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz#77c0cb37c41525d64166d990ffad7ec6a0e1363e"
+  integrity sha1-d8DLN8QVJdZBZtmQ/61+xqDhNj4=
+  dependencies:
+    readable-stream "^2.0.1"
+
 original-require@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/original-require/-/original-require-1.0.1.tgz#0f130471584cd33511c5ec38c8d59213f9ac5e20"
@@ -3134,6 +5777,13 @@ os-homedir@^1.0.0:
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
   integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
 
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  integrity sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=
+  dependencies:
+    lcid "^1.0.0"
+
 os-locale@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.1.0.tgz#42bc2900a6b5b8bd17376c8e882b65afccf24bf2"
@@ -3143,12 +5793,12 @@ os-locale@^2.0.0:
     lcid "^1.0.0"
     mem "^1.1.0"
 
-os-tmpdir@^1.0.0, os-tmpdir@~1.0.2:
+os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
   integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
 
-osenv@^0.1.5:
+osenv@^0.1.4, osenv@^0.1.5:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
   integrity sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==
@@ -3311,6 +5961,15 @@ parse-asn1@^5.0.0:
     pbkdf2 "^3.0.3"
     safe-buffer "^5.1.1"
 
+parse-filepath@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/parse-filepath/-/parse-filepath-1.0.2.tgz#a632127f53aaf3d15876f5872f3ffac763d6c891"
+  integrity sha1-pjISf1Oq89FYdvWHLz/6x2PWyJE=
+  dependencies:
+    is-absolute "^1.0.0"
+    map-cache "^0.2.0"
+    path-root "^0.1.1"
+
 parse-headers@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/parse-headers/-/parse-headers-2.0.2.tgz#9545e8a4c1ae5eaea7d24992bca890281ed26e34"
@@ -3319,11 +5978,45 @@ parse-headers@^2.0.0:
     for-each "^0.3.3"
     string.prototype.trim "^1.1.2"
 
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  integrity sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=
+  dependencies:
+    error-ex "^1.2.0"
+
+parse-node-version@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parse-node-version/-/parse-node-version-1.0.1.tgz#e2b5dbede00e7fa9bc363607f53327e8b073189b"
+  integrity sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==
+
+parse-passwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
+  integrity sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=
+
 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==
 
+pascalcase@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
+  integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
+
+path-dirname@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
+  integrity sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA=
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  integrity sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=
+  dependencies:
+    pinkie-promise "^2.0.0"
+
 path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
@@ -3334,7 +6027,7 @@ path-exists@^4.0.0:
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
   integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
 
-path-is-absolute@^1.0.0:
+path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
@@ -3354,11 +6047,32 @@ path-parse@^1.0.5, path-parse@^1.0.6:
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
   integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
 
+path-root-regex@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/path-root-regex/-/path-root-regex-0.1.2.tgz#bfccdc8df5b12dc52c8b43ec38d18d72c04ba96d"
+  integrity sha1-v8zcjfWxLcUsi0PsONGNcsBLqW0=
+
+path-root@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/path-root/-/path-root-0.1.1.tgz#9a4a6814cac1c0cd73360a95f32083c8ea4745b7"
+  integrity sha1-mkpoFMrBwM1zNgqV8yCDyOpHRbc=
+  dependencies:
+    path-root-regex "^0.1.0"
+
 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=
 
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  integrity sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 pathval@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
@@ -3385,7 +6099,7 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
-pify@^2.3.0:
+pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
   integrity sha1-7RQaasBDqEnqWISY59yosVMw6Qw=
@@ -3407,6 +6121,16 @@ pinkie@^2.0.0:
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
   integrity sha1-clVrgM+g1IqXToDnckjoDtT3+HA=
 
+posix-character-classes@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
+  integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
+
+precond@0.2:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/precond/-/precond-0.2.3.tgz#aa9591bcaa24923f1e0f4849d240f47efc1075ac"
+  integrity sha1-qpWRvKokkj8eD0hJ0kD0fvwQdaw=
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -3422,7 +6146,17 @@ prepend-http@^2.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
-process-nextick-args@~2.0.0:
+pretty-hrtime@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
+  integrity sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=
+
+private@^0.1.6, private@^0.1.8:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
+  integrity sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==
+
+process-nextick-args@^2.0.0, process-nextick-args@~2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
   integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
@@ -3450,6 +6184,14 @@ promise-retry@^1.1.1:
     err-code "^1.0.0"
     retry "^0.10.0"
 
+promise-to-callback@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/promise-to-callback/-/promise-to-callback-1.0.0.tgz#5d2a749010bfb67d963598fcd3960746a68feef7"
+  integrity sha1-XSp0kBC/tn2WNZj805YHRqaP7vc=
+  dependencies:
+    is-fn "^1.0.0"
+    set-immediate-shim "^1.0.1"
+
 prompts@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.1.0.tgz#bf90bc71f6065d255ea2bdc0fe6520485c1b45db"
@@ -3478,7 +6220,12 @@ proxy-addr@~2.0.5:
     forwarded "~0.1.2"
     ipaddr.js "1.9.0"
 
-pseudomap@^1.0.2:
+prr@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
+  integrity sha1-0/wRS6BplaRexok/SEzrHXj19HY=
+
+pseudomap@^1.0.1, pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
   integrity sha1-8FKijacOYYkX7wqKw0wa5aaChrM=
@@ -3500,6 +6247,54 @@ public-encrypt@^4.0.0:
     randombytes "^2.0.1"
     safe-buffer "^5.1.2"
 
+pull-cat@^1.1.9:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/pull-cat/-/pull-cat-1.1.11.tgz#b642dd1255da376a706b6db4fa962f5fdb74c31b"
+  integrity sha1-tkLdElXaN2pwa220+pYvX9t0wxs=
+
+pull-defer@^0.2.2:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/pull-defer/-/pull-defer-0.2.3.tgz#4ee09c6d9e227bede9938db80391c3dac489d113"
+  integrity sha512-/An3KE7mVjZCqNhZsr22k1Tx8MACnUnHZZNPSJ0S62td8JtYr/AiRG42Vz7Syu31SoTLUzVIe61jtT/pNdjVYA==
+
+pull-level@^2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pull-level/-/pull-level-2.0.4.tgz#4822e61757c10bdcc7cf4a03af04c92734c9afac"
+  integrity sha512-fW6pljDeUThpq5KXwKbRG3X7Ogk3vc75d5OQU/TvXXui65ykm+Bn+fiktg+MOx2jJ85cd+sheufPL+rw9QSVZg==
+  dependencies:
+    level-post "^1.0.7"
+    pull-cat "^1.1.9"
+    pull-live "^1.0.1"
+    pull-pushable "^2.0.0"
+    pull-stream "^3.4.0"
+    pull-window "^2.1.4"
+    stream-to-pull-stream "^1.7.1"
+
+pull-live@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/pull-live/-/pull-live-1.0.1.tgz#a4ecee01e330155e9124bbbcf4761f21b38f51f5"
+  integrity sha1-pOzuAeMwFV6RJLu89HYfIbOPUfU=
+  dependencies:
+    pull-cat "^1.1.9"
+    pull-stream "^3.4.0"
+
+pull-pushable@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/pull-pushable/-/pull-pushable-2.2.0.tgz#5f2f3aed47ad86919f01b12a2e99d6f1bd776581"
+  integrity sha1-Xy867UethpGfAbEqLpnW8b13ZYE=
+
+pull-stream@^3.2.3, pull-stream@^3.4.0, pull-stream@^3.6.8:
+  version "3.6.14"
+  resolved "https://registry.yarnpkg.com/pull-stream/-/pull-stream-3.6.14.tgz#529dbd5b86131f4a5ed636fdf7f6af00781357ee"
+  integrity sha512-KIqdvpqHHaTUA2mCYcLG1ibEbu/LCKoJZsBWyv9lSYtPkJPBq8m3Hxa103xHi6D2thj5YXa0TqK3L3GUkwgnew==
+
+pull-window@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/pull-window/-/pull-window-2.1.4.tgz#fc3b86feebd1920c7ae297691e23f705f88552f0"
+  integrity sha1-/DuG/uvRkgx64pdpHiP3BfiFUvA=
+  dependencies:
+    looper "^2.0.0"
+
 pump@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
@@ -3516,7 +6311,7 @@ pump@^3.0.0:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
-pumpify@^1.3.3:
+pumpify@^1.3.3, pumpify@^1.3.5:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.5.1.tgz#36513be246ab27570b1a374a5ce278bfd74370ce"
   integrity sha512-oClZI37HvuUJJxSKKrC17bZ9Cu0ZYhEAGPsPUy9KlMUmv9dKX2o77RUmq7f3XjIxbwyGwYzbzQ1L2Ks8sIradQ==
@@ -3607,7 +6402,7 @@ rc-config-loader@^2.0.4:
     path-exists "^3.0.0"
     require-from-string "^2.0.2"
 
-rc@^1.2.8, rc@~1.2.7:
+rc@^1.2.7, rc@^1.2.8, rc@~1.2.7:
   version "1.2.8"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
   integrity sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==
@@ -3617,7 +6412,24 @@ rc@^1.2.8, rc@~1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.0, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  integrity sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  integrity sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
@@ -3630,6 +6442,35 @@ rc@^1.2.8, rc@~1.2.7:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
+readable-stream@^1.0.33:
+  version "1.1.14"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  integrity sha1-fPTFTvZI44EwhMY23SB54WbAgdk=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+readable-stream@~1.0.15:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  integrity sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+readdirp@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
+  integrity sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+    micromatch "^3.1.10"
+    readable-stream "^2.0.2"
+
 rechoir@^0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
@@ -3637,6 +6478,42 @@ rechoir@^0.6.2:
   dependencies:
     resolve "^1.1.6"
 
+regenerate@^1.2.1:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
+  integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
+
+regenerator-runtime@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+
+regenerator-transform@^0.10.0:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
+  integrity sha512-PJepbvDbuK1xgIgnau7Y90cwaAmO/LCLMI2mPvaXq2heGMR3aWW5/BQvYrhJ8jgmQjXewXvBjzfqKcVOmhjZ6Q==
+  dependencies:
+    babel-runtime "^6.18.0"
+    babel-types "^6.19.0"
+    private "^0.1.6"
+
+regex-not@^1.0.0, regex-not@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
+  integrity sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==
+  dependencies:
+    extend-shallow "^3.0.2"
+    safe-regex "^1.1.0"
+
+regexpu-core@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
+  integrity sha1-SdA4g3uNz4v6W5pCE5k45uoq4kA=
+  dependencies:
+    regenerate "^1.2.1"
+    regjsgen "^0.2.0"
+    regjsparser "^0.1.4"
+
 registry-auth-token@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/registry-auth-token/-/registry-auth-token-4.0.0.tgz#30e55961eec77379da551ea5c4cf43cbf03522be"
@@ -3652,6 +6529,71 @@ registry-url@^5.0.0:
   dependencies:
     rc "^1.2.8"
 
+regjsgen@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
+  integrity sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=
+
+regjsparser@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
+  integrity sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=
+  dependencies:
+    jsesc "~0.5.0"
+
+remove-bom-buffer@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz#c2bf1e377520d324f623892e33c10cac2c252b53"
+  integrity sha512-8v2rWhaakv18qcvNeli2mZ/TMTL2nEyAKRvzo1WtnZBl15SHyEhrCu2/xKlJyUFKHiHgfXIyuY6g2dObJJycXQ==
+  dependencies:
+    is-buffer "^1.1.5"
+    is-utf8 "^0.2.1"
+
+remove-bom-stream@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-stream/-/remove-bom-stream-1.2.0.tgz#05f1a593f16e42e1fb90ebf59de8e569525f9523"
+  integrity sha1-BfGlk/FuQuH7kOv1nejlaVJflSM=
+  dependencies:
+    remove-bom-buffer "^3.0.0"
+    safe-buffer "^5.1.0"
+    through2 "^2.0.3"
+
+remove-trailing-separator@^1.0.1, remove-trailing-separator@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
+  integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
+
+repeat-element@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
+  integrity sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==
+
+repeat-string@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+  integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  integrity sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=
+  dependencies:
+    is-finite "^1.0.0"
+
+replace-ext@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
+  integrity sha1-3mMSg3P8v3w8z6TeWkgMRaZ5WOs=
+
+replace-homedir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/replace-homedir/-/replace-homedir-1.0.0.tgz#e87f6d513b928dde808260c12be7fec6ff6e798c"
+  integrity sha1-6H9tUTuSjd6AgmDBK+f+xv9ueYw=
+  dependencies:
+    homedir-polyfill "^1.0.1"
+    is-absolute "^1.0.0"
+    remove-trailing-separator "^1.1.0"
+
 req-cwd@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/req-cwd/-/req-cwd-1.0.1.tgz#0d73aeae9266e697a78f7976019677e76acf0fff"
@@ -3666,7 +6608,7 @@ req-from@^1.0.1:
   dependencies:
     resolve-from "^2.0.0"
 
-request@^2.79.0:
+request@^2.79.0, request@^2.85.0:
   version "2.88.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
   integrity sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==
@@ -3716,23 +6658,50 @@ requireg@^0.2.2:
     rc "~1.2.7"
     resolve "~1.7.1"
 
+resolve-dir@^1.0.0, resolve-dir@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-1.0.1.tgz#79a40644c362be82f26effe739c9bb5382046f43"
+  integrity sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=
+  dependencies:
+    expand-tilde "^2.0.0"
+    global-modules "^1.0.0"
+
 resolve-from@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-2.0.0.tgz#9480ab20e94ffa1d9e80a804c7ea147611966b57"
   integrity sha1-lICrIOlP+h2egKgEx+oUdhGWa1c=
 
+resolve-options@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/resolve-options/-/resolve-options-1.1.0.tgz#32bb9e39c06d67338dc9378c0d6d6074566ad131"
+  integrity sha1-MrueOcBtZzONyTeMDW1gdFZq0TE=
+  dependencies:
+    value-or-function "^3.0.0"
+
+resolve-url@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
+  integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
+
 resolve@1.1.x:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
   integrity sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=
 
-resolve@^1.1.6, resolve@^1.10.0:
+resolve@^1.1.6, resolve@^1.10.0, resolve@~1.11.1:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.11.1.tgz#ea10d8110376982fef578df8fc30b9ac30a07a3e"
   integrity sha512-vIpgF6wfuJOZI7KKKSP+HmiKggadPQAdsp5HiC1mvqnfp0gF1vdwgBWZIdrVft9pgqoMFQN+R7BSWZiBxx+BBw==
   dependencies:
     path-parse "^1.0.6"
 
+resolve@^1.1.7, resolve@^1.4.0:
+  version "1.12.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.12.0.tgz#3fc644a35c84a48554609ff26ec52b66fa577df6"
+  integrity sha512-B/dOmuoAik5bKcD6s6nXDCjzUKnaDvdkRyAk6rsmsKLipWj4797iothd7jmmUhWTfinVMU+wc56rYKsit2Qy4w==
+  dependencies:
+    path-parse "^1.0.6"
+
 resolve@~1.7.1:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.7.1.tgz#aadd656374fd298aee895bc026b8297418677fd3"
@@ -3747,12 +6716,24 @@ responselike@1.0.2, responselike@^1.0.2:
   dependencies:
     lowercase-keys "^1.0.0"
 
+resumer@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
+  integrity sha1-8ej0YeQGS6Oegq883CqMiT0HZ1k=
+  dependencies:
+    through "~2.3.4"
+
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+  integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
+
 retry@^0.10.0:
   version "0.10.1"
   resolved "https://registry.yarnpkg.com/retry/-/retry-0.10.1.tgz#e76388d217992c252750241d3d3956fed98d8ff4"
   integrity sha1-52OI0heZLCUnUCQdPTlW/tmNj/Q=
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.2, rimraf@^2.6.3:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2, rimraf@^2.6.3:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
   integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
@@ -3767,7 +6748,7 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-rlp@^2.0.0:
+rlp@^2.0.0, rlp@^2.2.1:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.3.tgz#7f94aef86cec412df87d5ea1d8cb116a47d45f0e"
   integrity sha512-l6YVrI7+d2vpW6D6rS05x2Xrmq8oW7v3pieZOJKBEdjuTF4Kz/iwk55Zyh1Zaz+KOB2kC8+2jZlp2u9L4tTzCQ==
@@ -3782,6 +6763,11 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
+rustbn.js@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/rustbn.js/-/rustbn.js-0.2.0.tgz#8082cb886e707155fd1cb6f23bd591ab8d55d0ca"
+  integrity sha512-4VlvkRUuCJvr2J6Y0ImW7NvTCriMi7ErOAqWk1y69vAdoNIzCF3yPmgeNzx+RQTLEDFq5sHfscn1MwHxP9hNfA==
+
 safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
@@ -3792,11 +6778,30 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
 
+safe-event-emitter@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/safe-event-emitter/-/safe-event-emitter-1.0.1.tgz#5b692ef22329ed8f69fdce607e50ca734f6f20af"
+  integrity sha512-e1wFe99A91XYYxoQbcq2ZJUWurxEyP8vfz7A7vuUe1s95q8r5ebraVaA1BukYJcpM6V16ugWoD9vngi8Ccu5fg==
+  dependencies:
+    events "^3.0.0"
+
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  integrity sha1-QKNmnzsHfR6UPURinhV91IAjvy4=
+  dependencies:
+    ret "~0.1.10"
+
 "safer-buffer@>= 2.1.2 < 3", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
+sax@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
+  integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
+
 scrypt-js@2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.3.tgz#bb0040be03043da9a012a2cea9fc9f852cfc87d4"
@@ -3815,6 +6820,15 @@ scrypt.js@0.2.0:
     scrypt "^6.0.2"
     scryptsy "^1.2.1"
 
+scrypt.js@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.3.0.tgz#6c62d61728ad533c8c376a2e5e3e86d41a95c4c0"
+  integrity sha512-42LTc1nyFsyv/o0gcHtDztrn+aqpkaCNt5Qh7ATBZfhEZU7IC/0oT/qbBH+uRNoAPvs2fwiOId68FDEoSRA8/A==
+  dependencies:
+    scryptsy "^1.2.1"
+  optionalDependencies:
+    scrypt "^6.0.2"
+
 scrypt@^6.0.2:
   version "6.0.3"
   resolved "https://registry.yarnpkg.com/scrypt/-/scrypt-6.0.3.tgz#04e014a5682b53fa50c2d5cce167d719c06d870d"
@@ -3822,6 +6836,11 @@ scrypt@^6.0.2:
   dependencies:
     nan "^2.0.8"
 
+scryptsy@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-2.1.0.tgz#8d1e8d0c025b58fdd25b6fa9a0dc905ee8faa790"
+  integrity sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==
+
 scryptsy@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-1.2.1.tgz#a3225fa4b2524f802700761e2855bdf3b2d92163"
@@ -3843,6 +6862,11 @@ secp256k1@^3.0.1:
     nan "^2.14.0"
     safe-buffer "^5.1.2"
 
+seedrandom@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/seedrandom/-/seedrandom-3.0.1.tgz#eb3dde015bcf55df05a233514e5df44ef9dce083"
+  integrity sha512-1/02Y/rUeU1CJBAGLebiC5Lbo5FnB22gQbIFFYTLkwvp1xdABZJH1sn4ZT1MzXmPpzv+Rf/Lu2NcsLJiK4rcDg==
+
 seek-bzip@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
@@ -3850,6 +6874,11 @@ seek-bzip@^1.0.5:
   dependencies:
     commander "~2.8.1"
 
+semaphore@>=1.0.1, semaphore@^1.0.3, semaphore@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/semaphore/-/semaphore-1.1.0.tgz#aaad8b86b20fe8e9b32b16dc2ee682a8cd26a8aa"
+  integrity sha512-O4OZEaNtkMd/K0i6js9SL+gqy0ZCBMgUvlSqHKi4IBdjhe7wB8pwztUk1BbZ1fmrvpwFrPbHzqd2w5pTcJH6LA==
+
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -3857,21 +6886,38 @@ semver-diff@^2.0.0:
   dependencies:
     semver "^5.0.3"
 
+semver-greatest-satisfied-range@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/semver-greatest-satisfied-range/-/semver-greatest-satisfied-range-1.1.0.tgz#13e8c2658ab9691cb0cd71093240280d36f77a5b"
+  integrity sha1-E+jCZYq5aRywzXEJMkAoDTb3els=
+  dependencies:
+    sver-compat "^1.5.0"
+
 semver-utils@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/semver-utils/-/semver-utils-1.1.4.tgz#cf0405e669a57488913909fc1c3f29bf2a4871e2"
   integrity sha512-EjnoLE5OGmDAVV/8YDoN5KiajNadjzIp9BAHOhYeQHt7j0UWxjmgsx4YD48wp4Ue1Qogq38F1GNUJNqF1kKKxA==
 
-"semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.4.1, semver@^5.5.0, semver@^5.6.0:
+"semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.6.0:
   version "5.7.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
   integrity sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==
 
+semver@6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.2.0.tgz#4d813d9590aaf8a9192693d6c85b9344de5901db"
+  integrity sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==
+
 semver@^6.2.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
+semver@~5.4.1:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
+  integrity sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg==
+
 send@0.17.1:
   version "0.17.1"
   resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
@@ -3912,11 +6958,26 @@ servify@^0.1.12:
     request "^2.79.0"
     xhr "^2.3.3"
 
-set-blocking@^2.0.0:
+set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
 
+set-immediate-shim@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz#4b2b1b27eb808a9f8dcc481a58e5e56f599f3f61"
+  integrity sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=
+
+set-value@^2.0.0, set-value@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/set-value/-/set-value-2.0.1.tgz#a18d40530e6f07de4228c7defe4227af8cad005b"
+  integrity sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.3"
+    split-string "^3.0.1"
+
 setimmediate@1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.4.tgz#20e81de622d4a02588ce0c8da8973cbcf1d3138f"
@@ -4000,11 +7061,46 @@ sisteransi@^1.0.0:
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.2.tgz#ec57d64b6f25c4f26c0e2c7dd23f2d7f12f7e418"
   integrity sha512-ZcYcZcT69nSLAR2oLN2JwNmLkJEKGooFMCdvOkFrToUt/WfcRWqhIg4P4KwY4dmLbuyXIx4o4YmPsvMRJYJd/w==
 
+slash@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
+  integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
+
 smart-buffer@4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/smart-buffer/-/smart-buffer-4.0.2.tgz#5207858c3815cc69110703c6b94e46c15634395d"
   integrity sha512-JDhEpTKzXusOqXZ0BUIdH+CjFdO/CR3tLlf5CN34IypI+xMmXW1uB16OOY8z3cICbJlDAVJzNbwBhNO0wt9OAw==
 
+snapdragon-node@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
+  integrity sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==
+  dependencies:
+    define-property "^1.0.0"
+    isobject "^3.0.0"
+    snapdragon-util "^3.0.1"
+
+snapdragon-util@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-util/-/snapdragon-util-3.0.1.tgz#f956479486f2acd79700693f6f7b805e45ab56e2"
+  integrity sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==
+  dependencies:
+    kind-of "^3.2.0"
+
+snapdragon@^0.8.1:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/snapdragon/-/snapdragon-0.8.2.tgz#64922e7c565b0e14204ba1aa7d6964278d25182d"
+  integrity sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==
+  dependencies:
+    base "^0.11.1"
+    debug "^2.2.0"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    map-cache "^0.2.2"
+    source-map "^0.5.6"
+    source-map-resolve "^0.5.0"
+    use "^3.1.0"
+
 socks-proxy-agent@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/socks-proxy-agent/-/socks-proxy-agent-4.0.2.tgz#3c8991f3145b2799e70e11bd5fbc8b1963116386"
@@ -4077,15 +7173,18 @@ sort-keys@^2.0.0:
   dependencies:
     is-plain-obj "^1.0.0"
 
-source-map-support@0.5.9:
-  version "0.5.9"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.9.tgz#41bc953b2534267ea2d605bccfa7bfa3111ced5f"
-  integrity sha512-gR6Rw4MvUlYy83vP0vxoVNzM6t8MUXqNuRsuBmBHQDu1Fh6X015FrLdgoDKcNdkwGubozq0P4N0Q37UyFVr1EA==
+source-map-resolve@^0.5.0:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.2.tgz#72e2cc34095543e43b2c62b2c4c10d4a9054f259"
+  integrity sha512-MjqsvNwyz1s0k81Goz/9vRBe9SZdB09Bdw+/zYyO+3CuPk6fouTaxscHkgtE8jKvf01kVfl8riHzERQ/kefaSA==
   dependencies:
-    buffer-from "^1.0.0"
-    source-map "^0.6.0"
+    atob "^2.1.1"
+    decode-uri-component "^0.2.0"
+    resolve-url "^0.2.1"
+    source-map-url "^0.4.0"
+    urix "^0.1.0"
 
-source-map-support@^0.5.12:
+source-map-support@0.5.12, source-map-support@^0.5.12:
   version "0.5.12"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
   integrity sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==
@@ -4093,6 +7192,23 @@ source-map-support@^0.5.12:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
+source-map-support@^0.4.15:
+  version "0.4.18"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
+  integrity sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==
+  dependencies:
+    source-map "^0.5.6"
+
+source-map-url@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
+  integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
+
+source-map@^0.5.6, source-map@^0.5.7:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
+
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
@@ -4105,6 +7221,11 @@ source-map@~0.2.0:
   dependencies:
     amdefine ">=0.0.4"
 
+sparkles@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.1.tgz#008db65edce6c50eec0c5e228e1945061dd0437c"
+  integrity sha512-dSO0DDYUahUt/0/pD/Is3VIm5TGJjludZ0HVymmhYF6eNA53PVLhnUk0znSYbH8IYBuJdCE+1luR22jNLMaQdw==
+
 spawn-please@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/spawn-please/-/spawn-please-0.3.0.tgz#db338ec4cff63abc69f1d0e08cee9eb8bebd9d11"
@@ -4136,6 +7257,13 @@ spdx-license-ids@^3.0.0:
   resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz#3694b5804567a458d3c8045842a6358632f62654"
   integrity sha512-J+FWzZoynJEXGphVIS+XEh3kFSjZX/1i9gFBaWQcB+/tmpe2qUsSBABpcxqxnAxFdiUFEgAX1bjYGQvIZmoz9Q==
 
+split-string@^3.0.1, split-string@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
+  integrity sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==
+  dependencies:
+    extend-shallow "^3.0.0"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -4163,6 +7291,19 @@ ssri@^6.0.0, ssri@^6.0.1:
   dependencies:
     figgy-pudding "^3.5.1"
 
+stack-trace@0.0.10:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
+  integrity sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=
+
+static-extend@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
+  integrity sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=
+  dependencies:
+    define-property "^0.2.5"
+    object-copy "^0.1.0"
+
 "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"
@@ -4176,17 +7317,30 @@ stream-each@^1.1.0:
     end-of-stream "^1.1.0"
     stream-shift "^1.0.0"
 
+stream-exhaust@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/stream-exhaust/-/stream-exhaust-1.0.2.tgz#acdac8da59ef2bc1e17a2c0ccf6c320d120e555d"
+  integrity sha512-b/qaq/GlBK5xaq1yrK9/zFcyRSTNxmcZwFLGSTG0mXgZl/4Z6GgiyYOXOvY7N3eEvFRAG1bkDRz5EPGSvPYQlw==
+
 stream-shift@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
   integrity sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=
 
+stream-to-pull-stream@^1.7.1:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/stream-to-pull-stream/-/stream-to-pull-stream-1.7.3.tgz#4161aa2d2eb9964de60bfa1af7feaf917e874ece"
+  integrity sha512-6sNyqJpr5dIOQdgNy/xcDWwDuzAsAwVzhzrWlAPAQ7Lkjx/rv0wgvxEyKwTq6FmNd5rjTrELt/CLmaSw7crMGg==
+  dependencies:
+    looper "^3.0.0"
+    pull-stream "^3.2.3"
+
 strict-uri-encode@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
   integrity sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=
 
-string-width@^1.0.1:
+string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
   integrity sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=
@@ -4195,7 +7349,7 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-string-width@^2.0.0, string-width@^2.1.1:
+"string-width@^1.0.2 || 2", string-width@^2.0.0, string-width@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
@@ -4212,7 +7366,7 @@ string-width@^3.0.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^5.1.0"
 
-string.prototype.trim@^1.1.2:
+string.prototype.trim@^1.1.2, string.prototype.trim@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz#d04de2c89e137f4d7d206f086b5ed2fae6be8cea"
   integrity sha1-0E3iyJ4Tf019IG8Ia17S+ua+jOo=
@@ -4221,6 +7375,11 @@ string.prototype.trim@^1.1.2:
     es-abstract "^1.5.0"
     function-bind "^1.0.2"
 
+string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+  integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
+
 string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -4249,6 +7408,13 @@ strip-ansi@^5.1.0:
   dependencies:
     ansi-regex "^4.1.0"
 
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  integrity sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=
+  dependencies:
+    is-utf8 "^0.2.0"
+
 strip-dirs@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/strip-dirs/-/strip-dirs-2.1.0.tgz#4987736264fc344cf20f6c34aca9d13d1d4ed6c5"
@@ -4306,6 +7472,14 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
+sver-compat@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/sver-compat/-/sver-compat-1.5.0.tgz#3cf87dfeb4d07b4a3f14827bc186b3fd0c645cd8"
+  integrity sha1-PPh9/rTQe0o/FIJ7wYaz/QxkXNg=
+  dependencies:
+    es6-iterator "^2.0.1"
+    es6-symbol "^3.1.1"
+
 swarm-js@0.1.37:
   version "0.1.37"
   resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.37.tgz#27d485317a340bbeec40292af783cc10acfa4663"
@@ -4325,7 +7499,7 @@ swarm-js@0.1.37:
     tar.gz "^1.0.5"
     xhr-request-promise "^0.1.2"
 
-swarm-js@^0.1.39:
+swarm-js@0.1.39, swarm-js@^0.1.39:
   version "0.1.39"
   resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.39.tgz#79becb07f291d4b2a178c50fee7aa6e10342c0e8"
   integrity sha512-QLMqL2rzF6n5s50BptyD6Oi0R1aWlJC5Y17SRIVXRj6OR1DRIPM7nepvrxxkjA1zNzFz6mUOMjfeqeDaWB7OOg==
@@ -4343,6 +7517,25 @@ swarm-js@^0.1.39:
     tar "^4.0.2"
     xhr-request-promise "^0.1.2"
 
+tape@^4.6.3, tape@^4.8.0:
+  version "4.11.0"
+  resolved "https://registry.yarnpkg.com/tape/-/tape-4.11.0.tgz#63d41accd95e45a23a874473051c57fdbc58edc1"
+  integrity sha512-yixvDMX7q7JIs/omJSzSZrqulOV51EC9dK8dM0TzImTIkHWfe2/kFyL5v+d9C+SrCMaICk59ujsqFAVidDqDaA==
+  dependencies:
+    deep-equal "~1.0.1"
+    defined "~1.0.0"
+    for-each "~0.3.3"
+    function-bind "~1.1.1"
+    glob "~7.1.4"
+    has "~1.0.3"
+    inherits "~2.0.4"
+    minimist "~1.2.0"
+    object-inspect "~1.6.0"
+    resolve "~1.11.1"
+    resumer "~0.0.0"
+    string.prototype.trim "~1.1.2"
+    through "~2.3.8"
+
 tar-stream@^1.5.2:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.2.tgz#8ea55dab37972253d9a9af90fdcd559ae435c555"
@@ -4376,7 +7569,7 @@ tar@^2.1.1:
     fstream "^1.0.12"
     inherits "2"
 
-tar@^4.0.2, tar@^4.4.8:
+tar@^4, tar@^4.0.2, tar@^4.4.8:
   version "4.4.10"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.10.tgz#946b2810b9a5e0b26140cf78bea6b0b0d689eba1"
   integrity sha512-g2SVs5QIxvo6OLp0GudTqEf05maawKUxXru104iaayWA09551tFCTI8f1Asb4lPfkBr91k07iL4c11XO3/b0tA==
@@ -4410,7 +7603,15 @@ thenify-all@^1.0.0, thenify-all@^1.6.0:
   dependencies:
     any-promise "^1.0.0"
 
-through2@^2.0.0:
+through2-filter@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/through2-filter/-/through2-filter-3.0.0.tgz#700e786df2367c2c88cd8aa5be4cf9c1e7831254"
+  integrity sha512-jaRjI2WxN3W1V8/FMZ9HKIBXixtiqs3SQSX4/YGIiP3gL6djW48VoZq9tDqeCWs3MT8YY5wb/zli8VW8snY1CA==
+  dependencies:
+    through2 "~2.0.0"
+    xtend "~4.0.0"
+
+through2@^2.0.0, through2@^2.0.3, through2@~2.0.0:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
   integrity sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==
@@ -4418,11 +7619,16 @@ through2@^2.0.0:
     readable-stream "~2.3.6"
     xtend "~4.0.1"
 
-"through@>=2.2.7 <3", through@^2.3.8:
+"through@>=2.2.7 <3", through@^2.3.8, through@~2.3.4, through@~2.3.8:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
 
+time-stamp@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-1.1.0.tgz#764a5a11af50561921b133f3b44e618687e0f5c3"
+  integrity sha1-dkpaEa9QVhkhsTPztE5hhofg9cM=
+
 timed-out@^4.0.0, timed-out@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
@@ -4435,16 +7641,68 @@ tmp@0.0.33:
   dependencies:
     os-tmpdir "~1.0.2"
 
+tmp@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.1.0.tgz#ee434a4e22543082e294ba6201dcc6eafefa2877"
+  integrity sha512-J7Z2K08jbGcdA1kkQpJSqLF6T0tdQqpR2pnSUXsIchbPdTI9v3e85cLW0d6WDhwuAleOV71j2xWs8qMPfK7nKw==
+  dependencies:
+    rimraf "^2.6.3"
+
+to-absolute-glob@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz#1865f43d9e74b0822db9f145b78cff7d0f7c849b"
+  integrity sha1-GGX0PZ50sIItufFFt4z/fQ98hJs=
+  dependencies:
+    is-absolute "^1.0.0"
+    is-negated-glob "^1.0.0"
+
 to-buffer@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
   integrity sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==
 
-to-readable-stream@^1.0.0:
-  version "1.0.0"
+to-fast-properties@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
+  integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
+
+to-object-path@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
+  integrity sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=
+  dependencies:
+    kind-of "^3.0.2"
+
+to-readable-stream@^1.0.0:
+  version "1.0.0"
   resolved "https://registry.yarnpkg.com/to-readable-stream/-/to-readable-stream-1.0.0.tgz#ce0aa0c2f3df6adf852efb404a783e77c0475771"
   integrity sha512-Iq25XBt6zD5npPhlLVXGFN3/gyR2/qODcKNNyTMd4vbm39HUaOiAM4PMq0eMVC/Tkxz+Zjdsc55g9yyz+Yq00Q==
 
+to-regex-range@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
+  integrity sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=
+  dependencies:
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+
+to-regex@^3.0.1, to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  integrity sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==
+  dependencies:
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
+to-through@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-through/-/to-through-2.0.0.tgz#fc92adaba072647bc0b67d6b03664aa195093af6"
+  integrity sha1-/JKtq6ByZHvAtn1rA2ZKoZUJOvY=
+  dependencies:
+    through2 "^2.0.3"
+
 toidentifier@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
@@ -4465,11 +7723,28 @@ trim-repeated@^1.0.0:
   dependencies:
     escape-string-regexp "^1.0.2"
 
+trim-right@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
+  integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
+
 truffle-blockchain-utils@^0.0.10:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/truffle-blockchain-utils/-/truffle-blockchain-utils-0.0.10.tgz#18b772673635a95a893f7083f7be6bd62227462b"
   integrity sha512-gVvagLCvYD0QXfnkxy6I48P6O+d7TEY0smc2VFuwldl1/clLVWE+KfBO/jFMaAz+nupTQeKvPhNTeyh3JAsCeA==
 
+truffle-config@^1.1.18:
+  version "1.1.18"
+  resolved "https://registry.yarnpkg.com/truffle-config/-/truffle-config-1.1.18.tgz#3bef981cc54f1e87371154e38cdec02881810b00"
+  integrity sha512-dIJq4meTW0IhITPnzMyo4xadCKAbPRE4vtcptLwXnJzskT7Z3PcVaarl4PPTqcxPV92XW4vD5Ep81ME1Dt4n5A==
+  dependencies:
+    configstore "^4.0.0"
+    find-up "^2.1.0"
+    lodash "^4.17.13"
+    original-require "1.0.1"
+    truffle-error "^0.0.5"
+    truffle-provider "^0.1.14"
+
 truffle-contract-schema@^3.0.11:
   version "3.0.11"
   resolved "https://registry.yarnpkg.com/truffle-contract-schema/-/truffle-contract-schema-3.0.11.tgz#202f6982b51bcad032b7ff2a8d5837853fb69301"
@@ -4509,6 +7784,25 @@ truffle-interface-adapter@^0.2.0:
     ethers "^4.0.32"
     web3 "1.0.0-beta.37"
 
+truffle-interface-adapter@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/truffle-interface-adapter/-/truffle-interface-adapter-0.2.3.tgz#475a425dd8eb27fbe54486b0b25e697bb184d0fa"
+  integrity sha512-NJLmlNZ/nHU52fMqa/nSxQvOSnejRQlKoBAs41ItUfBAhiQHb+gJupoYOlweOFC+Y9xj2X89qYjb1D0XDh0sfw==
+  dependencies:
+    bn.js "^4.11.8"
+    ethers "^4.0.32"
+    lodash "^4.17.13"
+    web3 "1.2.1"
+
+truffle-provider@^0.1.14:
+  version "0.1.14"
+  resolved "https://registry.yarnpkg.com/truffle-provider/-/truffle-provider-0.1.14.tgz#b74f45c9a04d1800b58fd02ef66f34d00c92ab8a"
+  integrity sha512-xh7Fa5jT/O1p4zfGmelUfMUd5s2u2rjt7PbFxONIATt0SVuLLEWtM8+9XXXakqfhW8Xhv0KkCojyu7CjbpWSDw==
+  dependencies:
+    truffle-error "^0.0.5"
+    truffle-interface-adapter "^0.2.3"
+    web3 "1.2.1"
+
 truffle@^5.0.31:
   version "5.0.31"
   resolved "https://registry.yarnpkg.com/truffle/-/truffle-5.0.31.tgz#372a826e330720e29514458ff25750aa2b5efa65"
@@ -4540,11 +7834,21 @@ tunnel-agent@^0.6.0:
   dependencies:
     safe-buffer "^5.0.1"
 
+tweetnacl-util@^0.15.0:
+  version "0.15.0"
+  resolved "https://registry.yarnpkg.com/tweetnacl-util/-/tweetnacl-util-0.15.0.tgz#4576c1cee5e2d63d207fee52f1ba02819480bc75"
+  integrity sha1-RXbBzuXi1j0gf+5S8boCgZSAvHU=
+
 tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
   integrity sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
 
+tweetnacl@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-1.0.1.tgz#2594d42da73cd036bd0d2a54683dd35a6b55ca17"
+  integrity sha512-kcoMoKTPYnoeS50tzoqjPY3Uv9axeuuFAZY9M/9zFnhoVvRfxz9K29IMPD7jGmt2c8SW7i3gT9WqDl2+nV7p4A==
+
 type-check@~0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
@@ -4570,7 +7874,12 @@ type-is@~1.6.17, type-is@~1.6.18:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-typedarray-to-buffer@^3.1.2:
+type@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/type/-/type-1.0.3.tgz#16f5d39f27a2d28d86e48f8981859e9d3296c179"
+  integrity sha512-51IMtNfVcee8+9GJvj0spSuFcZHe9vSib6Xtgsny1Km9ugyz2mbS08I3rsUIRYgJohFRFU1160sgRodYz378Hg==
+
+typedarray-to-buffer@^3.1.2, typedarray-to-buffer@^3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
   integrity sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==
@@ -4582,6 +7891,23 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+typewise-core@^1.2, typewise-core@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/typewise-core/-/typewise-core-1.2.0.tgz#97eb91805c7f55d2f941748fa50d315d991ef195"
+  integrity sha1-l+uRgFx/VdL5QXSPpQ0xXZke8ZU=
+
+typewise@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/typewise/-/typewise-1.0.3.tgz#1067936540af97937cc5dcf9922486e9fa284651"
+  integrity sha1-EGeTZUCvl5N8xdz5kiSG6fooRlE=
+  dependencies:
+    typewise-core "^1.2.0"
+
+typewiselite@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/typewiselite/-/typewiselite-1.0.0.tgz#c8882fa1bb1092c06005a97f34ef5c8508e3664e"
+  integrity sha1-yIgvobsQksBgBal/NO9chQjjZk4=
+
 uglify-js@^3.1.4:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.6.0.tgz#704681345c53a8b2079fb6cec294b05ead242ff5"
@@ -4603,6 +7929,11 @@ unbzip2-stream@^1.0.9:
     buffer "^5.2.1"
     through "^2.3.8"
 
+unc-path-regex@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
+  integrity sha1-5z3T17DXxe2G+6xrCufYxqadUPo=
+
 underscore@1.8.3:
   version "1.8.3"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
@@ -4613,6 +7944,36 @@ underscore@1.9.1:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
   integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
 
+undertaker-registry@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/undertaker-registry/-/undertaker-registry-1.0.1.tgz#5e4bda308e4a8a2ae584f9b9a4359a499825cc50"
+  integrity sha1-XkvaMI5KiirlhPm5pDWaSZglzFA=
+
+undertaker@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/undertaker/-/undertaker-1.2.1.tgz#701662ff8ce358715324dfd492a4f036055dfe4b"
+  integrity sha512-71WxIzDkgYk9ZS+spIB8iZXchFhAdEo2YU8xYqBYJ39DIUIqziK78ftm26eecoIY49X0J2MLhG4hr18Yp6/CMA==
+  dependencies:
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    bach "^1.0.0"
+    collection-map "^1.0.0"
+    es6-weak-map "^2.0.1"
+    last-run "^1.1.0"
+    object.defaults "^1.0.0"
+    object.reduce "^1.0.0"
+    undertaker-registry "^1.0.0"
+
+union-value@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"
+  integrity sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==
+  dependencies:
+    arr-union "^3.1.0"
+    get-value "^2.0.6"
+    is-extendable "^0.1.1"
+    set-value "^2.0.1"
+
 unique-filename@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-1.1.1.tgz#1d69769369ada0583103a1e6ae87681b56573230"
@@ -4627,6 +7988,14 @@ unique-slug@^2.0.0:
   dependencies:
     imurmurhash "^0.1.4"
 
+unique-stream@^2.0.2:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-2.3.1.tgz#c65d110e9a4adf9a6c5948b28053d9a8d04cbeac"
+  integrity sha512-2nY4TnBE70yoxHkDli7DMazpWiP7xMdCYqU2nBRO0UB+ZpEkGsSija7MvmvnZFUeC+mrgiUfcHSr3LmRFIg4+A==
+  dependencies:
+    json-stable-stringify-without-jsonify "^1.0.1"
+    through2-filter "^3.0.0"
+
 unique-string@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unique-string/-/unique-string-1.0.0.tgz#9e1057cca851abb93398f8b33ae187b99caec11a"
@@ -4649,6 +8018,19 @@ unpipe@1.0.0, unpipe@~1.0.0:
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
 
+unset-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
+  integrity sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=
+  dependencies:
+    has-value "^0.3.1"
+    isobject "^3.0.0"
+
+upath@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.2.tgz#3db658600edaeeccbe6db5e684d67ee8c2acd068"
+  integrity sha512-kXpym8nmDmlCBr7nKdIx8P2jNBa+pBpIUFRnKJ4dr8htyYGJFokkr2ZvERRtUN+9SY+JqXouNgUPtv6JQva/2Q==
+
 update-notifier@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-3.0.1.tgz#78ecb68b915e2fd1be9f767f6e298ce87b736250"
@@ -4674,6 +8056,11 @@ uri-js@^4.2.2:
   dependencies:
     punycode "^2.1.0"
 
+urix@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
+  integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
+
 url-parse-lax@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/url-parse-lax/-/url-parse-lax-1.0.0.tgz#7af8f303645e9bd79a272e7a14ac68bc0609da73"
@@ -4698,6 +8085,11 @@ url-to-options@^1.0.1:
   resolved "https://registry.yarnpkg.com/url-to-options/-/url-to-options-1.0.1.tgz#1505a03a289a48cbd7a434efbaeec5055f5633a9"
   integrity sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k=
 
+use@^3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
+  integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
+
 utf8@2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.1.tgz#2e01db02f7d8d0944f77104f1609eb0c304cf768"
@@ -4723,11 +8115,18 @@ uuid@2.0.1:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.1.tgz#c2a30dedb3e535d72ccf82e343941a50ba8533ac"
   integrity sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w=
 
-uuid@^3.3.2:
+uuid@3.3.2, uuid@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
   integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
 
+v8flags@^3.0.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.1.3.tgz#fc9dc23521ca20c5433f81cc4eb9b3033bb105d8"
+  integrity sha512-amh9CCg3ZxkzQ48Mhcb8iX7xpAfYJgePHxWMQCBWECpOSqJUXgY26ncA61UTV0BkPqfhcy6mzwCIoP4ygxpW8w==
+  dependencies:
+    homedir-polyfill "^1.0.1"
+
 validate-npm-package-license@^3.0.1:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
@@ -4743,6 +8142,11 @@ validate-npm-package-name@^3.0.0:
   dependencies:
     builtins "^1.0.3"
 
+value-or-function@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/value-or-function/-/value-or-function-3.0.0.tgz#1c243a50b595c1be54a754bfece8563b9ff8d813"
+  integrity sha1-HCQ6ULWVwb5Up1S/7OhWO5/42BM=
+
 vary@^1, vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
@@ -4757,6 +8161,63 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
+vinyl-fs@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-3.0.3.tgz#c85849405f67428feabbbd5c5dbdd64f47d31bc7"
+  integrity sha512-vIu34EkyNyJxmP0jscNzWBSygh7VWhqun6RmqVfXePrOwi9lhvRs//dOaGOTRUQr4tx7/zd26Tk5WeSVZitgng==
+  dependencies:
+    fs-mkdirp-stream "^1.0.0"
+    glob-stream "^6.1.0"
+    graceful-fs "^4.0.0"
+    is-valid-glob "^1.0.0"
+    lazystream "^1.0.0"
+    lead "^1.0.0"
+    object.assign "^4.0.4"
+    pumpify "^1.3.5"
+    readable-stream "^2.3.3"
+    remove-bom-buffer "^3.0.0"
+    remove-bom-stream "^1.2.0"
+    resolve-options "^1.1.0"
+    through2 "^2.0.0"
+    to-through "^2.0.0"
+    value-or-function "^3.0.0"
+    vinyl "^2.0.0"
+    vinyl-sourcemap "^1.1.0"
+
+vinyl-sourcemap@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz#92a800593a38703a8cdb11d8b300ad4be63b3e16"
+  integrity sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=
+  dependencies:
+    append-buffer "^1.0.2"
+    convert-source-map "^1.5.0"
+    graceful-fs "^4.1.6"
+    normalize-path "^2.1.1"
+    now-and-later "^2.0.0"
+    remove-bom-buffer "^3.0.0"
+    vinyl "^2.0.0"
+
+vinyl@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-2.2.0.tgz#d85b07da96e458d25b2ffe19fece9f2caa13ed86"
+  integrity sha512-MBH+yP0kC/GQ5GwBqrTPTzEfiiLjta7hTtvQtbxBgTeSXsmKQRQecjibMbxIXzVT3Y9KJK+drOz1/k+vsu8Nkg==
+  dependencies:
+    clone "^2.1.1"
+    clone-buffer "^1.0.0"
+    clone-stats "^1.0.0"
+    cloneable-readable "^1.0.0"
+    remove-trailing-separator "^1.0.1"
+    replace-ext "^1.0.0"
+
+web3-bzz@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.0.0-beta.35.tgz#9d5e1362b3db2afd77d65619b7cd46dd5845c192"
+  integrity sha512-BhAU0qhlr8zltm4gs/+P1gki2VkxHJaM2Rrh4DGesDW0lzwufRoNvWFlwx1bKHoFPWNbSmm9PRkHOYOINL/Tgw==
+  dependencies:
+    got "7.1.0"
+    swarm-js "0.1.37"
+    underscore "1.8.3"
+
 web3-bzz@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.0.0-beta.37.tgz#59e3e4f5a9d732731008fe9165c3ec8bf85d502f"
@@ -4766,6 +8227,24 @@ web3-bzz@1.0.0-beta.37:
     swarm-js "0.1.37"
     underscore "1.8.3"
 
+web3-bzz@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.2.1.tgz#c3bd1e8f0c02a13cd6d4e3c3e9e1713f144f6f0d"
+  integrity sha512-LdOO44TuYbGIPfL4ilkuS89GQovxUpmLz6C1UC7VYVVRILeZS740FVB3j9V4P4FHUk1RenaDfKhcntqgVCHtjw==
+  dependencies:
+    got "9.6.0"
+    swarm-js "0.1.39"
+    underscore "1.9.1"
+
+web3-core-helpers@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.35.tgz#d681d218a0c6e3283ee1f99a078ab9d3eef037f1"
+  integrity sha512-APOu3sEsamyqWt//8o4yq9KF25/uqGm+pQShson/sC4gKzmfJB07fLo2ond0X30E8fIqAPeVCotPXQxGciGUmA==
+  dependencies:
+    underscore "1.8.3"
+    web3-eth-iban "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-core-helpers@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.37.tgz#04ec354b7f5c57234c309eea2bda9bf1f2fe68ba"
@@ -4775,6 +8254,26 @@ web3-core-helpers@1.0.0-beta.37:
     web3-eth-iban "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-core-helpers@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.2.1.tgz#f5f32d71c60a4a3bd14786118e633ce7ca6d5d0d"
+  integrity sha512-Gx3sTEajD5r96bJgfuW377PZVFmXIH4TdqDhgGwd2lZQCcMi+DA4TgxJNJGxn0R3aUVzyyE76j4LBrh412mXrw==
+  dependencies:
+    underscore "1.9.1"
+    web3-eth-iban "1.2.1"
+    web3-utils "1.2.1"
+
+web3-core-method@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.35.tgz#fc10e2d546cf4886038e6130bd5726b0952a4e5f"
+  integrity sha512-jidImCide8q0GpfsO4L73qoHrbkeWgwU3uOH5DKtJtv0ccmG086knNMRgryb/o9ZgetDWLmDEsJnHjBSoIwcbA==
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-promievent "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-core-method@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.37.tgz#53d148e63f818b23461b26307afdfbdaa9457744"
@@ -4786,6 +8285,25 @@ web3-core-method@1.0.0-beta.37:
     web3-core-subscriptions "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-core-method@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.2.1.tgz#9df1bafa2cd8be9d9937e01c6a47fc768d15d90a"
+  integrity sha512-Ghg2WS23qi6Xj8Od3VCzaImLHseEA7/usvnOItluiIc5cKs00WYWsNy2YRStzU9a2+z8lwQywPYp0nTzR/QXdQ==
+  dependencies:
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-utils "1.2.1"
+
+web3-core-promievent@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.35.tgz#4f1b24737520fa423fee3afee110fbe82bcb8691"
+  integrity sha512-GvqXqKq07OmHuVi5uNRg6k79a1/CI0ViCC+EtNv4CORHtDRmYEt5Bvdv6z6FJEiaaQkD0lKbFwNhLxutx7HItw==
+  dependencies:
+    any-promise "1.3.0"
+    eventemitter3 "1.1.1"
+
 web3-core-promievent@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.37.tgz#4e51c469d0a7ac0a969885a4dbcde8504abe5b02"
@@ -4794,6 +8312,25 @@ web3-core-promievent@1.0.0-beta.37:
     any-promise "1.3.0"
     eventemitter3 "1.1.1"
 
+web3-core-promievent@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.2.1.tgz#003e8a3eb82fb27b6164a6d5b9cad04acf733838"
+  integrity sha512-IVUqgpIKoeOYblwpex4Hye6npM0aMR+kU49VP06secPeN0rHMyhGF0ZGveWBrGvf8WDPI7jhqPBFIC6Jf3Q3zw==
+  dependencies:
+    any-promise "1.3.0"
+    eventemitter3 "3.1.2"
+
+web3-core-requestmanager@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.35.tgz#2b77cbf6303720ad68899b39fa7f584dc03dbc8f"
+  integrity sha512-S+zW2h17ZZQU9oe3yaCJE0E7aJS4C3Kf4kGPDv+nXjW0gKhQQhgVhw1Doq/aYQGqNSWJp7f1VHkz5gQWwg6RRg==
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-providers-http "1.0.0-beta.35"
+    web3-providers-ipc "1.0.0-beta.35"
+    web3-providers-ws "1.0.0-beta.35"
+
 web3-core-requestmanager@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.37.tgz#721a75df5920621bff42d9d74f7a64413675d56b"
@@ -4805,6 +8342,26 @@ web3-core-requestmanager@1.0.0-beta.37:
     web3-providers-ipc "1.0.0-beta.37"
     web3-providers-ws "1.0.0-beta.37"
 
+web3-core-requestmanager@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.2.1.tgz#fa2e2206c3d738db38db7c8fe9c107006f5c6e3d"
+  integrity sha512-xfknTC69RfYmLKC+83Jz73IC3/sS2ZLhGtX33D4Q5nQ8yc39ElyAolxr9sJQS8kihOcM6u4J+8gyGMqsLcpIBg==
+  dependencies:
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+    web3-providers-http "1.2.1"
+    web3-providers-ipc "1.2.1"
+    web3-providers-ws "1.2.1"
+
+web3-core-subscriptions@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.35.tgz#c1b76a2ad3c6e80f5d40b8ba560f01e0f4628758"
+  integrity sha512-gXzLrWvcGkGiWq1y33Z4Y80XI8XMrwowiQJkrPSjQ81K5PBKquOGwcMffLaKcwdmEy/NpsOXDeFo3eLE1Ghvvw==
+  dependencies:
+    eventemitter3 "1.1.1"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+
 web3-core-subscriptions@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.37.tgz#40de5e2490cc05b15faa8f935c97fd48d670cd9a"
@@ -4814,6 +8371,25 @@ web3-core-subscriptions@1.0.0-beta.37:
     underscore "1.8.3"
     web3-core-helpers "1.0.0-beta.37"
 
+web3-core-subscriptions@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.2.1.tgz#8c2368a839d4eec1c01a4b5650bbeb82d0e4a099"
+  integrity sha512-nmOwe3NsB8V8UFsY1r+sW6KjdOS68h8nuh7NzlWxBQT/19QSUGiERRTaZXWu5BYvo1EoZRMxCKyCQpSSXLc08g==
+  dependencies:
+    eventemitter3 "3.1.2"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+
+web3-core@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.35.tgz#0c44d3c50d23219b0b1531d145607a9bc7cd4b4f"
+  integrity sha512-ayGavbgVk4KL9Y88Uv411fBJ0SVgVfKhKEBweKYzmP0zOqneMzWt6YsyD1n6kRvjAbqA0AfUPEOKyMNjcx2tjw==
+  dependencies:
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-requestmanager "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-core@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.37.tgz#66c2c7000772c9db36d737ada31607ace09b7e90"
@@ -4824,6 +8400,26 @@ web3-core@1.0.0-beta.37:
     web3-core-requestmanager "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-core@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.1.tgz#7278b58fb6495065e73a77efbbce781a7fddf1a9"
+  integrity sha512-5ODwIqgl8oIg/0+Ai4jsLxkKFWJYE0uLuE1yUKHNVCL4zL6n3rFjRMpKPokd6id6nJCNgeA64KdWQ4XfpnjdMg==
+  dependencies:
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-requestmanager "1.2.1"
+    web3-utils "1.2.1"
+
+web3-eth-abi@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.35.tgz#2eb9c1c7c7233db04010defcb192293e0db250e6"
+  integrity sha512-KUDC+EtFFYG8z01ZleKrASdjj327/rtWHzEt6RWsEj7bBa0bGp9nEh+nqdZx/Sdgz1O8tnfFzJlrRcXpfr1vGg==
+  dependencies:
+    bn.js "4.11.6"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-abi@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.37.tgz#55592fa9cd2427d9f0441d78f3b8d0c1359a2a24"
@@ -4833,6 +8429,31 @@ web3-eth-abi@1.0.0-beta.37:
     underscore "1.8.3"
     web3-utils "1.0.0-beta.37"
 
+web3-eth-abi@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz#9b915b1c9ebf82f70cca631147035d5419064689"
+  integrity sha512-jI/KhU2a/DQPZXHjo2GW0myEljzfiKOn+h1qxK1+Y9OQfTcBMxrQJyH5AP89O6l6NZ1QvNdq99ThAxBFoy5L+g==
+  dependencies:
+    ethers "4.0.0-beta.3"
+    underscore "1.9.1"
+    web3-utils "1.2.1"
+
+web3-eth-accounts@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.35.tgz#7d0e5a69f510dc93874471599eb7abfa9ddf3e63"
+  integrity sha512-duIgRsfht/0kAW/eQ0X9lKtVIykbETrnM2H7EnvplCzPHtQLodpib4o9JXfh9n6ZDgdDC7cuJoiVB9QJg089ew==
+  dependencies:
+    any-promise "1.3.0"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.7"
+    scrypt.js "0.2.0"
+    underscore "1.8.3"
+    uuid "2.0.1"
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-accounts@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.37.tgz#0a5a9f14a6c3bd285e001c15eb3bb38ffa4b5204"
@@ -4849,6 +8470,37 @@ web3-eth-accounts@1.0.0-beta.37:
     web3-core-method "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-eth-accounts@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.2.1.tgz#2741a8ef337a7219d57959ac8bd118b9d68d63cf"
+  integrity sha512-26I4qq42STQ8IeKUyur3MdQ1NzrzCqPsmzqpux0j6X/XBD7EjZ+Cs0lhGNkSKH5dI3V8CJasnQ5T1mNKeWB7nQ==
+  dependencies:
+    any-promise "1.3.0"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.7"
+    scryptsy "2.1.0"
+    semver "6.2.0"
+    underscore "1.9.1"
+    uuid "3.3.2"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-utils "1.2.1"
+
+web3-eth-contract@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.35.tgz#5276242d8a3358d9f1ce92b71575c74f9015935c"
+  integrity sha512-foPohOg5O1UCGKGZOIs+kQK5IZdV2QQ7pAWwNxH8WHplUA+fre1MurXNpoxknUmH6mYplFhXjqgYq2MsrBpHrA==
+  dependencies:
+    underscore "1.8.3"
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-promievent "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-eth-abi "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-contract@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.37.tgz#87f93c95ed16f320ba54943b7886890de6766013"
@@ -4863,6 +8515,20 @@ web3-eth-contract@1.0.0-beta.37:
     web3-eth-abi "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-eth-contract@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.2.1.tgz#3542424f3d341386fd9ff65e78060b85ac0ea8c4"
+  integrity sha512-kYFESbQ3boC9bl2rYVghj7O8UKMiuKaiMkxvRH5cEDHil8V7MGEGZNH0slSdoyeftZVlaWSMqkRP/chfnKND0g==
+  dependencies:
+    underscore "1.9.1"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-utils "1.2.1"
+
 web3-eth-ens@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.0.0-beta.37.tgz#714ecb01eb447ee3eb39b2b20a10ae96edb1f01f"
@@ -4877,6 +8543,28 @@ web3-eth-ens@1.0.0-beta.37:
     web3-eth-contract "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-eth-ens@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.2.1.tgz#a0e52eee68c42a8b9865ceb04e5fb022c2d971d5"
+  integrity sha512-lhP1kFhqZr2nnbu3CGIFFrAnNxk2veXpOXBY48Tub37RtobDyHijHgrj+xTh+mFiPokyrapVjpFsbGa+Xzye4Q==
+  dependencies:
+    eth-ens-namehash "2.0.8"
+    underscore "1.9.1"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-eth-contract "1.2.1"
+    web3-utils "1.2.1"
+
+web3-eth-iban@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.35.tgz#5aa10327a9abb26bcfc4ba79d7bad18a002b332c"
+  integrity sha512-H5wkcNcAIc+h/WoDIKv7ZYmrM2Xqu3O7jBQl1IWo73EDVQji+AoB2i3J8tuwI1yZRInRwrfpI3Zuwuf54hXHmQ==
+  dependencies:
+    bn.js "4.11.6"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-iban@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.37.tgz#313a3f18ae2ab00ba98678ea1156b09ef32a3655"
@@ -4885,6 +8573,25 @@ web3-eth-iban@1.0.0-beta.37:
     bn.js "4.11.6"
     web3-utils "1.0.0-beta.37"
 
+web3-eth-iban@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.2.1.tgz#2c3801718946bea24e9296993a975c80b5acf880"
+  integrity sha512-9gkr4QPl1jCU+wkgmZ8EwODVO3ovVj6d6JKMos52ggdT2YCmlfvFVF6wlGLwi0VvNa/p+0BjJzaqxnnG/JewjQ==
+  dependencies:
+    bn.js "4.11.8"
+    web3-utils "1.2.1"
+
+web3-eth-personal@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.35.tgz#ecac95b7a53d04a567447062d5cae5f49879e89f"
+  integrity sha512-AcM9nnlxu7ZRRxPvkrFB9eLxMM4A2cPfj2aCg21Wb2EpMnhR+b/O1cT33k7ApRowoMpM+T9M8vx2oPNwXfaCOQ==
+  dependencies:
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-personal@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.37.tgz#187472f51861e2b6d45da43411801bc91a859f9a"
@@ -4896,6 +8603,35 @@ web3-eth-personal@1.0.0-beta.37:
     web3-net "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-eth-personal@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.2.1.tgz#244e9911b7b482dc17c02f23a061a627c6e47faf"
+  integrity sha512-RNDVSiaSoY4aIp8+Hc7z+X72H7lMb3fmAChuSBADoEc7DsJrY/d0R5qQDK9g9t2BO8oxgLrLNyBP/9ub2Hc6Bg==
+  dependencies:
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-net "1.2.1"
+    web3-utils "1.2.1"
+
+web3-eth@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.0.0-beta.35.tgz#c52c804afb95e6624b6f5e72a9af90fbf5005b68"
+  integrity sha512-04mcb2nGPXThawuuYICPOxv0xOHofvQKsjZeIq+89nyOC8DQMGTAErDkGyMHQYtjpth5XDhic0wuEsA80AmFZA==
+  dependencies:
+    underscore "1.8.3"
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-eth-abi "1.0.0-beta.35"
+    web3-eth-accounts "1.0.0-beta.35"
+    web3-eth-contract "1.0.0-beta.35"
+    web3-eth-iban "1.0.0-beta.35"
+    web3-eth-personal "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.0.0-beta.37.tgz#0e8ffcd857a5f85ae4b5f052ad831ca5c56f4f74"
@@ -4915,6 +8651,34 @@ web3-eth@1.0.0-beta.37:
     web3-net "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-eth@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.1.tgz#b9989e2557c73a9e8ffdc107c6dafbe72c79c1b0"
+  integrity sha512-/2xly4Yry5FW1i+uygPjhfvgUP/MS/Dk+PDqmzp5M88tS86A+j8BzKc23GrlA8sgGs0645cpZK/999LpEF5UdA==
+  dependencies:
+    underscore "1.9.1"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-eth-accounts "1.2.1"
+    web3-eth-contract "1.2.1"
+    web3-eth-ens "1.2.1"
+    web3-eth-iban "1.2.1"
+    web3-eth-personal "1.2.1"
+    web3-net "1.2.1"
+    web3-utils "1.2.1"
+
+web3-net@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.0.0-beta.35.tgz#5c6688e0dea71fcd910ee9dc5437b94b7f6b3354"
+  integrity sha512-bbwaQ/KohGjIJ6HAKbZ6KrklCAaG6/B7hIbAbVLSFLxF+Yz9lmAgQYaDInpidpC/NLb3WOmcbRF+P77J4qMVIA==
+  dependencies:
+    web3-core "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-net@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.0.0-beta.37.tgz#b494136043f3c6ba84fe4a47d4c028c2a63c9a8e"
@@ -4924,6 +8688,49 @@ web3-net@1.0.0-beta.37:
     web3-core-method "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3-net@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.1.tgz#edd249503315dd5ab4fa00220f6509d95bb7ab10"
+  integrity sha512-Yt1Bs7WgnLESPe0rri/ZoPWzSy55ovioaP35w1KZydrNtQ5Yq4WcrAdhBzcOW7vAkIwrsLQsvA+hrOCy7mNauw==
+  dependencies:
+    web3-core "1.2.1"
+    web3-core-method "1.2.1"
+    web3-utils "1.2.1"
+
+web3-provider-engine@14.2.0:
+  version "14.2.0"
+  resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-14.2.0.tgz#2efec157b2c429c5c674c079aea96b0a06de8b3d"
+  integrity sha512-sfLH5VhGjJrJJT5WcF8aGehcIKRUQ553q9tjQkkLaKU2AaLsRcwffnnWvrgeTkmKSf0y9dwkDTa48RVp+GUCSg==
+  dependencies:
+    async "^2.5.0"
+    backoff "^2.5.0"
+    clone "^2.0.0"
+    cross-fetch "^2.1.0"
+    eth-block-tracker "^3.0.0"
+    eth-json-rpc-infura "^3.1.0"
+    eth-sig-util "^1.4.2"
+    ethereumjs-block "^1.2.2"
+    ethereumjs-tx "^1.2.0"
+    ethereumjs-util "^5.1.5"
+    ethereumjs-vm "^2.3.4"
+    json-rpc-error "^2.0.0"
+    json-stable-stringify "^1.0.1"
+    promise-to-callback "^1.0.0"
+    readable-stream "^2.2.9"
+    request "^2.85.0"
+    semaphore "^1.0.3"
+    ws "^5.1.1"
+    xhr "^2.2.0"
+    xtend "^4.0.1"
+
+web3-providers-http@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.0.0-beta.35.tgz#92059d9d6de6e9f82f4fae30b743efd841afc1e1"
+  integrity sha512-DcIMFq52Fb08UpWyZ3ZlES6NsNqJnco4hBS/Ej6eOcASfuUayPI+GLkYVZsnF3cBYqlH+DOKuArcKSuIxK7jIA==
+  dependencies:
+    web3-core-helpers "1.0.0-beta.35"
+    xhr2-cookies "1.1.0"
+
 web3-providers-http@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.0.0-beta.37.tgz#c06efd60e16e329e25bd268d2eefc68d82d13651"
@@ -4932,6 +8739,23 @@ web3-providers-http@1.0.0-beta.37:
     web3-core-helpers "1.0.0-beta.37"
     xhr2-cookies "1.1.0"
 
+web3-providers-http@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.2.1.tgz#c93ea003a42e7b894556f7e19dd3540f947f5013"
+  integrity sha512-BDtVUVolT9b3CAzeGVA/np1hhn7RPUZ6YYGB/sYky+GjeO311Yoq8SRDUSezU92x8yImSC2B+SMReGhd1zL+bQ==
+  dependencies:
+    web3-core-helpers "1.2.1"
+    xhr2-cookies "1.1.0"
+
+web3-providers-ipc@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.35.tgz#031afeb10fade2ebb0ef2fb82f5e58c04be842d9"
+  integrity sha512-iB0FG0HcpUnayfa8pn4guqEQ4Y1nrroi/jffdtQgFkrNt0sD3fMSwwC0AbmECqj3tDLl0e1slBR0RENll+ZF0g==
+  dependencies:
+    oboe "2.1.3"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+
 web3-providers-ipc@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.37.tgz#55d247e7197257ca0c3e4f4b0fe1561311b9d5b9"
@@ -4941,6 +8765,24 @@ web3-providers-ipc@1.0.0-beta.37:
     underscore "1.8.3"
     web3-core-helpers "1.0.0-beta.37"
 
+web3-providers-ipc@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz#017bfc687a8fc5398df2241eb98f135e3edd672c"
+  integrity sha512-oPEuOCwxVx8L4CPD0TUdnlOUZwGBSRKScCz/Ws2YHdr9Ium+whm+0NLmOZjkjQp5wovQbyBzNa6zJz1noFRvFA==
+  dependencies:
+    oboe "2.1.4"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+
+web3-providers-ws@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.35.tgz#5d38603fd450243a26aae0ff7f680644e77fa240"
+  integrity sha512-Cx64NgDStynKaUGDIIOfaCd0fZusL8h5avKTkdTjUu2aHhFJhZoVBGVLhoDtUaqZGWIZGcBJOoVf2JkGUOjDRQ==
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
+
 web3-providers-ws@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.37.tgz#77c15aebc00b75d760d22d063ac2e415bdbef72f"
@@ -4950,6 +8792,25 @@ web3-providers-ws@1.0.0-beta.37:
     web3-core-helpers "1.0.0-beta.37"
     websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
 
+web3-providers-ws@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz#2d941eaf3d5a8caa3214eff8dc16d96252b842cb"
+  integrity sha512-oqsQXzu+ejJACVHy864WwIyw+oB21nw/pI65/sD95Zi98+/HQzFfNcIFneF1NC4bVF3VNX4YHTNq2I2o97LAiA==
+  dependencies:
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+    websocket "github:web3-js/WebSocket-Node#polyfill/globalThis"
+
+web3-shh@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.0.0-beta.35.tgz#7e4a585f8beee0c1927390937c6537748a5d1a58"
+  integrity sha512-8qSonk/x0xabERS9Sr6AIADN/Ty+5KwARkkGIfSYHKqFpdMDz+76F7cUCxtoCZoS8K04xgZlDKYe0TJXLYA0Fw==
+  dependencies:
+    web3-core "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+
 web3-shh@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.0.0-beta.37.tgz#3246ce5229601b525020828a56ee283307057105"
@@ -4960,6 +8821,29 @@ web3-shh@1.0.0-beta.37:
     web3-core-subscriptions "1.0.0-beta.37"
     web3-net "1.0.0-beta.37"
 
+web3-shh@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.1.tgz#4460e3c1e07faf73ddec24ccd00da46f89152b0c"
+  integrity sha512-/3Cl04nza5kuFn25bV3FJWa0s3Vafr5BlT933h26xovQ6HIIz61LmvNQlvX1AhFL+SNJOTcQmK1SM59vcyC8bA==
+  dependencies:
+    web3-core "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-net "1.2.1"
+
+web3-utils@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.35.tgz#ced9e1df47c65581c441c5f2af76b05a37a273d7"
+  integrity sha512-Dq6f0SOKj3BDFRgOPnE6ALbzBDCKVIW8mKWVf7tGVhTDHf+wQaWwQSC3aArFSqdExB75BPBPyDpuMTNszhljpA==
+  dependencies:
+    bn.js "4.11.6"
+    eth-lib "0.1.27"
+    ethjs-unit "0.1.6"
+    number-to-bn "1.7.0"
+    randomhex "0.1.5"
+    underscore "1.8.3"
+    utf8 "2.1.1"
+
 web3-utils@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.37.tgz#ab868a90fe5e649337e38bdaf72133fcbf4d414d"
@@ -4973,6 +8857,19 @@ web3-utils@1.0.0-beta.37:
     underscore "1.8.3"
     utf8 "2.1.1"
 
+web3-utils@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.1.tgz#21466e38291551de0ab34558de21512ac4274534"
+  integrity sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==
+  dependencies:
+    bn.js "4.11.8"
+    eth-lib "0.2.7"
+    ethjs-unit "0.1.6"
+    number-to-bn "1.7.0"
+    randomhex "0.1.5"
+    underscore "1.9.1"
+    utf8 "3.0.0"
+
 web3-utils@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.0.tgz#1f11b05d173b757d3f5ba32cb90b375a487d3bf0"
@@ -4986,6 +8883,19 @@ web3-utils@^1.0.0:
     underscore "1.9.1"
     utf8 "3.0.0"
 
+web3@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.0.0-beta.35.tgz#6475095bd451a96e50a32b997ddee82279292f11"
+  integrity sha512-xwDmUhvTcHQvvNnOPcPZZgCxKUsI2e+GbHy7JkTK3/Rmnutazy8x7fsAXT9myw7V1qpi3GgLoZ3fkglSUbg1Mg==
+  dependencies:
+    web3-bzz "1.0.0-beta.35"
+    web3-core "1.0.0-beta.35"
+    web3-eth "1.0.0-beta.35"
+    web3-eth-personal "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+    web3-shh "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3@1.0.0-beta.37:
   version "1.0.0-beta.37"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.0.0-beta.37.tgz#b42c30e67195f816cd19d048fda872f70eca7083"
@@ -4999,6 +8909,19 @@ web3@1.0.0-beta.37:
     web3-shh "1.0.0-beta.37"
     web3-utils "1.0.0-beta.37"
 
+web3@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.2.1.tgz#5d8158bcca47838ab8c2b784a2dee4c3ceb4179b"
+  integrity sha512-nNMzeCK0agb5i/oTWNdQ1aGtwYfXzHottFP2Dz0oGIzavPMGSKyVlr8ibVb1yK5sJBjrWVnTdGaOC2zKDFuFRw==
+  dependencies:
+    web3-bzz "1.2.1"
+    web3-core "1.2.1"
+    web3-eth "1.2.1"
+    web3-eth-personal "1.2.1"
+    web3-net "1.2.1"
+    web3-shh "1.2.1"
+    web3-utils "1.2.1"
+
 web3x@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/web3x/-/web3x-2.0.4.tgz#0d5d0f1f08b394dca9a082ddb8e1715b11b78066"
@@ -5024,6 +8947,17 @@ web3x@^2.0.0:
     utf8 "^3.0.0"
     ws "^6.1.0"
 
+websocket@1.0.29, "websocket@github:web3-js/WebSocket-Node#polyfill/globalThis":
+  version "1.0.29"
+  resolved "https://codeload.github.com/web3-js/WebSocket-Node/tar.gz/b134a75541b5db59668df81c03e926cd5f325077"
+  dependencies:
+    debug "^2.2.0"
+    es5-ext "^0.10.50"
+    gulp "^4.0.2"
+    nan "^2.14.0"
+    typedarray-to-buffer "^3.1.5"
+    yaeti "^0.0.6"
+
 "websocket@git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible":
   version "1.0.26"
   resolved "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"
@@ -5033,18 +8967,35 @@ web3x@^2.0.0:
     typedarray-to-buffer "^3.1.2"
     yaeti "^0.0.6"
 
+whatwg-fetch@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
+  integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
+
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+  integrity sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=
+
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
   integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
 
-which@^1.1.1, which@^1.2.9, which@^1.3.1:
+which@^1.1.1, which@^1.2.14, which@^1.2.9, which@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
   integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==
   dependencies:
     isexe "^2.0.0"
 
+wide-align@^1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
+  integrity sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==
+  dependencies:
+    string-width "^1.0.2 || 2"
+
 widest-line@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/widest-line/-/widest-line-2.0.1.tgz#7438764730ec7ef4381ce4df82fb98a53142a3fc"
@@ -5093,6 +9044,13 @@ ws@^3.0.0:
     safe-buffer "~5.1.0"
     ultron "~1.1.0"
 
+ws@^5.1.1:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
+  integrity sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==
+  dependencies:
+    async-limiter "~1.0.0"
+
 ws@^6.1.0:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
@@ -5132,7 +9090,7 @@ xhr2-cookies@1.1.0:
   dependencies:
     cookiejar "^2.1.1"
 
-xhr@^2.0.4, xhr@^2.3.3:
+xhr@^2.0.4, xhr@^2.2.0, xhr@^2.3.3:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/xhr/-/xhr-2.5.0.tgz#bed8d1676d5ca36108667692b74b316c496e49dd"
   integrity sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==
@@ -5147,11 +9105,18 @@ xmlhttprequest@1.8.0:
   resolved "https://registry.yarnpkg.com/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz#67fe075c5c24fef39f9d65f5f7b7fe75171968fc"
   integrity sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw=
 
-xtend@^4.0.0, xtend@~4.0.1:
+xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.0, xtend@~4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
+xtend@~2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.1.2.tgz#6efecc2a4dad8e6962c4901b337ce7ba87b5d28b"
+  integrity sha1-bv7MKk2tjmlixJAbM3znuoe10os=
+  dependencies:
+    object-keys "~0.4.0"
+
 y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
@@ -5177,6 +9142,13 @@ yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
   integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
 
+yargs-parser@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.0.tgz#275ecf0d7ffe05c77e64e7c86e4cd94bf0e1228a"
+  integrity sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=
+  dependencies:
+    camelcase "^3.0.0"
+
 yargs-parser@^9.0.2:
   version "9.0.2"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-9.0.2.tgz#9ccf6a43460fe4ed40a9bb68f48d43b8a68cc077"
@@ -5184,7 +9156,7 @@ yargs-parser@^9.0.2:
   dependencies:
     camelcase "^4.1.0"
 
-yargs@11.1.0, yargs@^11.0.0:
+yargs@^11.0.0:
   version "11.1.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
   integrity sha512-NwW69J42EsCSanF8kyn5upxvjp5ds+t3+udGBeTbFnERA+lF541DDpMawzo4z6W/QrzNM18D+BPMiOBibnFV5A==
@@ -5202,6 +9174,25 @@ yargs@11.1.0, yargs@^11.0.0:
     y18n "^3.2.1"
     yargs-parser "^9.0.2"
 
+yargs@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.0.tgz#6ba318eb16961727f5d284f8ea003e8d6154d0c8"
+  integrity sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=
+  dependencies:
+    camelcase "^3.0.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^1.0.2"
+    which-module "^1.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^5.0.0"
+
 yauzl@^2.4.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"