diff --git a/buidler.config.js b/buidler.config.js
deleted file mode 100644
index 4ce5404..0000000
--- a/buidler.config.js
+++ /dev/null
@@ -1,18 +0,0 @@
-
-// Mute compiler warnings - this will need to be addressed properly in
-// the Buidler plugin by overloading TASK_COMPILE_COMPILE.
-const originalLog = console.log;
-console.warn = () => {};
-console.log = val => val === '\n' ? null : originalLog(val);
-
-module.exports = {
-  solc: {
-    version: "0.5.8"
-  },
-  paths: {
-    artifacts: "./test/artifacts",
-    cache: "./test/cache",
-    test: "./test/units",
-    sources: "./test/sources/contracts",
-  }
-}
diff --git a/package.json b/package.json
index 0a1df45..bed3e2b 100644
--- a/package.json
+++ b/package.json
@@ -27,9 +27,9 @@
     "@truffle/provider": "^0.1.17",
     "chalk": "^2.4.2",
     "death": "^1.1.0",
-    "fs-extra": "^8.1.0",
     "detect-port": "^1.3.0",
-    "ganache-core-sc": "2.7.0-sc.0",
+    "fs-extra": "^8.1.0",
+    "ganache-cli": "6.7.0",
     "ghost-testrpc": "^0.0.2",
     "global-modules": "^2.0.0",
     "globby": "^10.0.1",
@@ -39,15 +39,17 @@
     "node-emoji": "^1.10.0",
     "pify": "^4.0.1",
     "shelljs": "^0.8.3",
-    "solidity-parser-antlr": "^0.4.7",
+    "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",
+    "@nomiclabs/buidler": "^1.0.1",
+    "@nomiclabs/buidler-truffle5": "^1.0.1",
+    "@nomiclabs/buidler-web3": "^1.0.1",
+    "@truffle/contract": "^4.0.36",
     "decache": "^4.5.1",
+    "ganache-core-sc": "^2.7.0-sc.0",
     "mocha": "5.2.0",
     "nyc": "^14.1.1",
     "solc": "^0.5.10",
diff --git a/test/util/util.js b/test/util/util.js
index 987f337..8587405 100644
--- a/test/util/util.js
+++ b/test/util/util.js
@@ -5,7 +5,7 @@
 const fs = require('fs');
 const path = require('path');
 const solc = require('solc');
-const TruffleContract = require('truffle-contract');
+const TruffleContract = require('@truffle/contract');
 
 const Instrumenter = require('./../../lib/instrumenter');
 const DataCollector = require('./../../lib/collector')
diff --git a/yarn.lock b/yarn.lock
index 5cc76b8..5c3e425 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -111,43 +111,113 @@
     "@nodelib/fs.scandir" "2.1.2"
     fastq "^1.6.0"
 
-"@nomiclabs/buidler-truffle5@^1.0.0-beta.8":
-  version "1.0.0-beta.8"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-truffle5/-/buidler-truffle5-1.0.0-beta.8.tgz#d810b2c7d6de7cc58dddff2af227595be7b6e250"
-  integrity sha512-3v4SFcqWCH/aDRxgNTxhESLoCuHrC8CGBZIeeRwYOV6P2jdZBFkaCziW8QbpNd4hpOa3qAxHYzbE823T6A/p5A==
+"@nomiclabs/buidler-truffle5@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-truffle5/-/buidler-truffle5-1.0.1.tgz#6545f52c6441dc8942f66a2f14ef9fdacc899088"
+  integrity sha512-4c36uf62mQz7hrBkKLvLv2+Z7u3VWMoJ7MStm69RMCtUA6iG5kd7Sd+cL3jCHr+eIAMSBGllPmvmAFDp7etFeQ==
   dependencies:
+    "@nomiclabs/truffle-contract" "^4.0.0"
+    "@types/chai" "^4.2.0"
     chai "^4.2.0"
-    truffle-contract "^4.0.14"
+    ethereumjs-util "^6.1.0"
+    fs-extra "^7.0.1"
 
-"@nomiclabs/buidler-web3@^1.0.0-beta.8":
-  version "1.0.0-beta.8"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-web3/-/buidler-web3-1.0.0-beta.8.tgz#75df7a2d5de6ec03d4c73cb1c7369be1e1021f46"
-  integrity sha512-ConceCb/qNV26HjFyWXxv0+kCmkPTpR10C6CS2aZpq6GuKybY4YO6Mks1YzhYdZWii3s/+laJzylDLpjXcwjcg==
+"@nomiclabs/buidler-web3@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-web3/-/buidler-web3-1.0.1.tgz#8e7f42b62a52a9ed9e205b2ff941a686d8705513"
+  integrity sha512-dgMIabIqReVUzp2reN7pWUS4n0wdIZBsJ4pQFjbjpP91bpVtVAMSaGSU71gqUiXWbyqFY3TOT9Hr9Q8VsqFxEA==
 
-"@nomiclabs/buidler@^1.0.0-beta.8":
-  version "1.0.0-beta.8"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler/-/buidler-1.0.0-beta.8.tgz#31aaa351e5f3a15e9821738256417b98a7657665"
-  integrity sha512-qG348aP+kl4xJn1PG4pHgAeDlNOszvffRDS6H2yUJI7XiIgw8o1qkYEd4zFnLEJI+4PPrPtv2zhUg8tXpiaWWw==
-  dependencies:
-    ansi-colors "^3.2.4"
+"@nomiclabs/buidler@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler/-/buidler-1.0.1.tgz#4ac100fa96cf4326a551bf7099922b4c61956a50"
+  integrity sha512-MpjKvp7iYbTCT8gf4/RTYl5LK98owGYkibjUsWZ+B8COtlNQgpt7Eoxrh77lls06oGP8GmseWtVFF+qt9oZczw==
+  dependencies:
+    "@nomiclabs/eth-sig-util" "^2.4.4"
+    "@nomiclabs/ethereumjs-vm" "^4.1.0"
+    "@types/bn.js" "^4.11.5"
+    "@types/lru-cache" "^5.1.0"
+    abort-controller "^3.0.0"
+    bip32 "^2.0.3"
+    bip39 "^3.0.2"
+    chalk "^2.4.2"
+    ci-info "^2.0.0"
+    debug "^4.1.1"
     deepmerge "^2.1.0"
     download "^7.1.0"
     enquirer "^2.3.0"
-    ethereumjs-tx "^1.3.7"
+    ethereumjs-abi "^0.6.8"
+    ethereumjs-account "^3.0.0"
+    ethereumjs-block "^2.2.0"
+    ethereumjs-common "^1.3.2"
+    ethereumjs-tx "^2.1.1"
     ethereumjs-util "^6.1.0"
     find-up "^2.1.0"
+    fp-ts "1.19.3"
     fs-extra "^7.0.1"
     glob "^7.1.3"
-    io-ts "^1.8.6"
+    io-ts "1.10.4"
+    is-installed-globally "^0.2.0"
     lodash "^4.17.11"
+    merkle-patricia-tree "^3.0.0"
     mocha "^5.2.0"
-    semver "^5.6.0"
-    solc "0.5.8"
+    node-fetch "^2.6.0"
+    qs "^6.7.0"
+    semver "^6.3.0"
+    solc "0.5.11"
     solidity-parser-antlr "^0.4.2"
-    source-map-support "^0.5.12"
+    source-map-support "^0.5.13"
     ts-essentials "^2.0.7"
     tsort "0.0.1"
-    web3x "^2.0.0"
+    uuid "^3.3.2"
+
+"@nomiclabs/eth-sig-util@^2.4.4":
+  version "2.4.4"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/eth-sig-util/-/eth-sig-util-2.4.4.tgz#e3518a90027a7952af24204a81713c21b500d546"
+  integrity sha512-t6vqztYHLq9t0CTiULheO+zrNqp1c10EjFgfKNxQGSV+A8hoztJDgU8FRKpczWN6MgQv2qFFgGMRfymadjY4pA==
+  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"
+
+"@nomiclabs/ethereumjs-vm@^4.1.0":
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/ethereumjs-vm/-/ethereumjs-vm-4.1.0.tgz#2767e5e779c9c1db4ce50adb789d87a683622710"
+  integrity sha512-2eordoieZBmNEMkspyOpn3X4jqUtIzKarahGlPUd3WRVPvOSfbf68wNgKN+IbcQ9xND6nvb64fpW3kgckXdclQ==
+  dependencies:
+    async "^2.1.2"
+    async-eventemitter "^0.2.2"
+    core-js-pure "^3.0.1"
+    ethereumjs-account "^3.0.0"
+    ethereumjs-block "~2.2.0"
+    ethereumjs-blockchain "^4.0.1"
+    ethereumjs-common "^1.3.2"
+    ethereumjs-tx "^2.1.1"
+    ethereumjs-util "^6.1.0"
+    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"
+    util.promisify "^1.0.0"
+
+"@nomiclabs/truffle-contract@^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/truffle-contract/-/truffle-contract-4.0.0.tgz#14a1f6c880eaf6b0ff2b8a208419972c6e7b9b4a"
+  integrity sha512-CTehoNcdZO+PAvOcMlVu3XEdVkxugJLdVui46vrmBF+AJuuiLwMbA+unM0AJtVpwhqcNt5Zb4KyMixqlH7VEEQ==
+  dependencies:
+    "@truffle/blockchain-utils" "^0.0.12"
+    "@truffle/contract-schema" "^3.0.16"
+    "@truffle/error" "^0.0.7"
+    "@truffle/interface-adapter" "^0.2.6"
+    bignumber.js "^7.2.1"
+    ethers "^4.0.0-beta.1"
+    web3 "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-utils "1.2.1"
 
 "@sindresorhus/is@^0.14.0":
   version "0.14.0"
@@ -166,6 +236,41 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@truffle/blockchain-utils@^0.0.12":
+  version "0.0.12"
+  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.12.tgz#ad75c7eb7ef65ee954850470745873de59392309"
+  integrity sha512-Khoc0zxksDL3xEHg4j0qpD7+4xyRdRS1Sa5ghwwBCa23I6ofQUmntEoQasZsXo7g6PDkErrJzxOWxTs8gpHQnA==
+
+"@truffle/blockchain-utils@^0.0.13":
+  version "0.0.13"
+  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.13.tgz#2b6302586248fe2068ba160be53855c3c923a4e2"
+  integrity sha512-58PNluLrJ967BjoBymWmfa+j9tfDa2GpAjEOiKkQav94aVbrBecDwmd3jOTl3gAhJA21AB3UZxri50mKVHopKw==
+
+"@truffle/contract-schema@^3.0.16":
+  version "3.0.16"
+  resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.0.16.tgz#0de8670b2b0dacba57b43b65911c5376dd00bbdf"
+  integrity sha512-E88YTZNVvnSprvKS8qMx7e5zm3VAgkCAciQrX1VC+h14EbCJxHyg/9iBVm26ySKgghRzV3Ia8Y6ZJQt6o2iSJw==
+  dependencies:
+    ajv "^6.10.0"
+    crypto-js "^3.1.9-1"
+    debug "^4.1.0"
+
+"@truffle/contract@^4.0.36":
+  version "4.0.36"
+  resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.0.36.tgz#9c5d22034f034866f7566eb1ff6d46af0404090d"
+  integrity sha512-Bhgpd45ZB+o01fKS35xJbvz+ipBWBtE6fzSEEEF6nQvW+OR1jZJ2eKoVSfPU1h3wV5jSzBbQuLbWCtNA+RrNqg==
+  dependencies:
+    "@truffle/blockchain-utils" "^0.0.13"
+    "@truffle/contract-schema" "^3.0.16"
+    "@truffle/error" "^0.0.7"
+    "@truffle/interface-adapter" "^0.2.7"
+    bignumber.js "^7.2.1"
+    ethers "^4.0.0-beta.1"
+    web3 "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-utils "1.2.1"
+
 "@truffle/error@^0.0.7":
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.7.tgz#e9db39885575647ef08bf624b0c13fe46d41a209"
@@ -181,6 +286,16 @@
     lodash "^4.17.13"
     web3 "1.2.1"
 
+"@truffle/interface-adapter@^0.2.7":
+  version "0.2.7"
+  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.2.7.tgz#43331d29539e09432a70cfb9fb614b8afaa7b290"
+  integrity sha512-GJF0V7VAX+8MQOt/kWGXaQu44QpoKUu4wJpqHxmBMaeVxU9LWB7i7Opa1cR/7rjRnLam2+mCxB5cjoQ9pHD4eQ==
+  dependencies:
+    bn.js "^4.11.8"
+    ethers "^4.0.32"
+    lodash "^4.17.13"
+    web3 "1.2.1"
+
 "@truffle/provider@^0.1.17":
   version "0.1.17"
   resolved "https://registry.yarnpkg.com/@truffle/provider/-/provider-0.1.17.tgz#9b72a76a7ce18a054eabb3ebd21a55a33dc7d7b6"
@@ -190,13 +305,18 @@
     "@truffle/interface-adapter" "^0.2.6"
     web3 "1.2.1"
 
-"@types/bn.js@^4.11.2":
+"@types/bn.js@^4.11.5":
   version "4.11.5"
   resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.5.tgz#40e36197433f78f807524ec623afcf0169ac81dc"
   integrity sha512-AEAZcIZga0JgVMHNtl1CprA/hXX7/wPt79AgR4XqaDt7jyj3QWYw6LPoOiznPtugDmlubUnAahMs2PFxGcQrng==
   dependencies:
     "@types/node" "*"
 
+"@types/chai@^4.2.0":
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.3.tgz#419477a3d5202bad19e14c787940a61dc9ea6407"
+  integrity sha512-VRw2xEGbll3ZiTQ4J02/hUjNqZoue1bMhoo2dgM2LXjDdyaq4q80HgBDHwpI0/VKlo4Eg+BavyQMv/NYgTetzA==
+
 "@types/events@*":
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
@@ -211,6 +331,11 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
+"@types/lru-cache@^5.1.0":
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/@types/lru-cache/-/lru-cache-5.1.0.tgz#57f228f2b80c046b4a1bd5cac031f81f207f4f03"
+  integrity sha512-RaE0B+14ToE4l6UqdarKPnXwVDuigfFv+5j9Dze/Nqr23yyuqdNvzcZi3xB+3Agvi5R4EOgAksfv3lXX4vBt9w==
+
 "@types/minimatch@*":
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
@@ -221,19 +346,21 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.8.tgz#e469b4bf9d1c9832aee4907ba8a051494357c12c"
   integrity sha512-aX+gFgA5GHcDi89KG5keey2zf0WfZk/HAQotEamsK2kbey+8yGKcson0hbK8E+v0NArlCJQCqMP161YhV6ZXLg==
 
-"@types/node@^10.12.0", "@types/node@^10.3.2":
+"@types/node@10.12.18":
+  version "10.12.18"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
+  integrity sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ==
+
+"@types/node@11.11.6":
+  version "11.11.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-11.11.6.tgz#df929d1bb2eee5afdda598a41930fe50b43eaa6a"
+  integrity sha512-Exw4yUWMBXM3X+8oqzJNRqZSwUAaS4+7NdvHqQuFi/d+synz++xmX3QIf+BFqneW8N31R8Ky+sikfZUXq07ggQ==
+
+"@types/node@^10.3.2":
   version "10.14.13"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.14.13.tgz#ac786d623860adf39a3f51d629480aacd6a6eec7"
   integrity sha512-yN/FNNW1UYsRR1wwAoyOwqvDuLDtVXnaJTZ898XIw/Q5cCaeVAlVwvsmXLX5PuiScBYwZsZU4JYSHB3TvfdwvQ==
 
-"@types/ws@^6.0.1":
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-6.0.1.tgz#ca7a3f3756aa12f62a0a62145ed14c6db25d5a28"
-  integrity sha512-EzH8k1gyZ4xih/MaZTXwT2xOkPiIMSrhQ9b8wrlX88L0T02eYsddatQlwVFlEPyEqV0ChpdpNnE51QPH6NVT4Q==
-  dependencies:
-    "@types/events" "*"
-    "@types/node" "*"
-
 JSONStream@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.5.tgz#3208c1f08d3a4d99261ab64f92302bc15e111ca0"
@@ -252,6 +379,13 @@ abbrev@1.0.x:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
   integrity sha1-kbR5JYinc4wl813W9jdSovh3YTU=
 
+abort-controller@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/abort-controller/-/abort-controller-3.0.0.tgz#eaf54d53b62bae4138e809ca225c8439a6efb392"
+  integrity sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==
+  dependencies:
+    event-target-shim "^5.0.0"
+
 abstract-leveldown@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-3.0.0.tgz#5cb89f958a44f526779d740d1440e743e0c30a57"
@@ -346,7 +480,7 @@ ansi-align@^3.0.0:
   dependencies:
     string-width "^3.0.0"
 
-ansi-colors@^3.2.1, ansi-colors@^3.2.4:
+ansi-colors@^3.2.1:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.4.tgz#e3a3da4bfbae6c86a9c285625de124a234026fbf"
   integrity sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==
@@ -1033,9 +1167,9 @@ balanced-match@^1.0.0:
   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==
+  version "3.0.7"
+  resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.7.tgz#1c5a7fafe8f66b4114063e8da102799d4e7c408f"
+  integrity sha512-zAKJGuQPihXW22fkrfOclUUZXM2g92z5GzlSMHxhO6r6Qj+Nm0ccaGNBzDZojzwOMkpjAv4J0fOv1U4go+a4iw==
   dependencies:
     safe-buffer "^5.0.1"
 
@@ -1056,13 +1190,26 @@ bignumber.js@^7.2.1:
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
   integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
 
-bindings@^1.2.1, bindings@^1.5.0:
+bindings@^1.2.1, bindings@^1.3.0, bindings@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.5.0.tgz#10353c9e945334bc0511a6d90b38fbc7c9c504df"
   integrity sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==
   dependencies:
     file-uri-to-path "1.0.0"
 
+bip32@^2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/bip32/-/bip32-2.0.4.tgz#b662bd28710d4676fb351ba8a13be45cb4d85d01"
+  integrity sha512-ioPytarPDIrWckWMuK4RNUtvwhvWEc2fvuhnO0WEwu732k5OLjUXv4rXi2c/KJHw9ZMNQMkYRJrBw81RujShGQ==
+  dependencies:
+    "@types/node" "10.12.18"
+    bs58check "^2.1.1"
+    create-hash "^1.2.0"
+    create-hmac "^1.1.7"
+    tiny-secp256k1 "^1.1.0"
+    typeforce "^1.11.5"
+    wif "^2.0.6"
+
 bip39@2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/bip39/-/bip39-2.5.0.tgz#51cbd5179460504a63ea3c000db3f787ca051235"
@@ -1074,16 +1221,15 @@ bip39@2.5.0:
     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"
-  integrity sha512-RrnQRG2EgEoqO24ea+Q/fftuPUZLmrEM3qNhhGsA3PbaXaCW791LTzPuVyx/VprXQcTbPJ3K3UeTna8ZnVl2sg==
+bip39@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/bip39/-/bip39-3.0.2.tgz#2baf42ff3071fc9ddd5103de92e8f80d9257ee32"
+  integrity sha512-J4E1r2N0tUylTKt07ibXvhpT2c5pyAFgvuA5q1H9uDy6dEGpjV8jmymh3MTYJDLCNbIVClSB9FbND49I6N24MQ==
   dependencies:
+    "@types/node" "11.11.6"
     create-hash "^1.1.0"
     pbkdf2 "^3.0.9"
     randombytes "^2.0.1"
-    safe-buffer "^5.0.1"
-    unorm "^1.3.3"
 
 bip66@^1.1.5:
   version "1.1.5"
@@ -1112,11 +1258,16 @@ bluebird@^2.9.34:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
   integrity sha1-U0uQM8AiyVecVro7Plpcqvu2UOE=
 
-bluebird@^3.5.0, bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
+bluebird@^3.5.0:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
   integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
 
+bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.0.tgz#56a6a886e03f6ae577cffedeb524f8f2450293cf"
+  integrity sha512-aBQ1FxIa7kSWCcmKHlcHFlT2jt6J/l4FzC7KcPELkOJOsPOb/bccdhmIrKDfXhwFrmc7vDoDrrepFvGqjyXGJg==
+
 bn.js@4.11.6:
   version "4.11.6"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
@@ -1182,7 +1333,7 @@ browser-stdout@1.3.1:
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
   integrity sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6, browserify-aes@^1.2.0:
+browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
@@ -1262,7 +1413,7 @@ bs58@^4.0.0:
   dependencies:
     base-x "^3.0.2"
 
-bs58check@^2.1.2:
+bs58check@<3.0.0, bs58check@^2.1.1, 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==
@@ -1342,10 +1493,10 @@ bytewise@~1.1.0:
     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"
-  integrity sha512-ifKgxH2CKhJEg6tNdAwziu6Q33EvuG26tYcda6PT3WKisZcYDXsnEdnRv67Po3yCzFfaSoMjGZzJyD2c3DT1dg==
+cacache@^12.0.0, cacache@^12.0.2:
+  version "12.0.3"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-12.0.3.tgz#be99abba4e1bf5df461cd5a2c1071fc432573390"
+  integrity sha512-kqdmfXEGFepesTuROHMs3MpFLWrPkSSpRqOw80RCflZXy/khxaArvFrQ7uJxSUduzAufc6G0g1VUCOZXxWavPw==
   dependencies:
     bluebird "^3.5.5"
     chownr "^1.1.1"
@@ -1423,9 +1574,9 @@ camelcase@^5.0.0, camelcase@^5.3.1:
   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==
+  version "1.0.30000999"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000999.tgz#427253a69ad7bea4aa8d8345687b8eec51ca0e43"
+  integrity sha512-1CUyKyecPeksKwXZvYw0tEoaMCo/RwBlXmEtN5vVnabvO0KPd9RQLcaAuR9/1F+KDMv6esmOFWlsXuzDk+8rxg==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1491,6 +1642,11 @@ chownr@^1.1.1:
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.2.tgz#a18f1e0b269c8a6a5d3c86eb298beb14c3dd7bf6"
   integrity sha512-GkfeAQh+QNy3wquu9oIZr6SS5x7wGdSgNQvD10X3r+AZr1Oys22HW8kAmDMvNg2+Dm0TeGaEuO8gFwdBXxwO8A==
 
+chownr@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
+  integrity sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==
+
 ci-info@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-2.0.0.tgz#67a9e964be31a51e15e5010d58e6f12834002f46"
@@ -1598,7 +1754,17 @@ commander@2.15.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
   integrity sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==
 
-commander@^2.20.0, commander@^2.8.1, commander@~2.20.0:
+commander@^2.8.1:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
+commander@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
+  integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
+
+commander@~2.20.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
@@ -1696,6 +1862,11 @@ copy-concurrently@^1.0.0:
     rimraf "^2.5.4"
     run-queue "^1.0.0"
 
+core-js-pure@^3.0.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.2.1.tgz#879a23699cff46175bfd2d09158b5c50645a3c45"
+  integrity sha512-+qpvnYrsi/JDeQTArB7NnNc2VoMYLE1YSkziCDHgjexC2KH7OFiGhLUd3urxfyWmNjSwSW7NYXPWHMhuIJx9Ow==
+
 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"
@@ -1744,7 +1915,7 @@ create-hash@^1.1.0, create-hash@^1.1.1, create-hash@^1.1.2, create-hash@^1.2.0:
     ripemd160 "^2.0.1"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4, create-hmac@^1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
@@ -1781,6 +1952,17 @@ cross-spawn@^5.0.1:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+cross-spawn@^6.0.0:
+  version "6.0.5"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
+  integrity sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==
+  dependencies:
+    nice-try "^1.0.4"
+    path-key "^2.0.1"
+    semver "^5.5.0"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
 crypto-browserify@3.12.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
@@ -1808,10 +1990,10 @@ crypto-random-string@^1.0.0:
   resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-1.0.0.tgz#a230f64f568310e1498009940790ec99545bca7e"
   integrity sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=
 
-cyclist@~0.2.2:
-  version "0.2.2"
-  resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
-  integrity sha1-GzN5LhHpFKL9bW7WRHRkRE5fpkA=
+cyclist@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-1.0.1.tgz#596e9698fd0c80e12038c2b82d6eb1b35b6224d9"
+  integrity sha1-WW6WmP0MgOEgOMK4LW6xs1tiJNk=
 
 d@1:
   version "1.0.1"
@@ -1992,7 +2174,7 @@ deferred-leveldown@~4.0.0:
     abstract-leveldown "~5.0.0"
     inherits "^2.0.3"
 
-define-properties@^1.1.2:
+define-properties@^1.1.2, define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
   integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
@@ -2131,9 +2313,9 @@ ee-first@1.1.1:
   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==
+  version "1.3.281"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.281.tgz#2dbeb9f0bdffddb1662f9ca00d26c49d31dc0f7e"
+  integrity sha512-oxXKngPjTWRmXFy4vV9FeAkPl7wU4xMejfOY+HXjGrj4T0z9l96loWWVDLJEtbT/aPKOWKrSz6xoYxd+YJ/gJA==
 
 elliptic@6.3.3:
   version "6.3.3"
@@ -2194,9 +2376,9 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
     once "^1.4.0"
 
 enquirer@^2.3.0:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/enquirer/-/enquirer-2.3.1.tgz#f1bf52ea38470525f41412d723a62ba6868559c6"
-  integrity sha512-7slmHsJY+mvnIrzD0Z0FfTFLmVJuIzRNCW72X9s35BshOoC+MI4jLJ8aPyAC/BelAirXBZB+Mu1wSqP0wpW4Kg==
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/enquirer/-/enquirer-2.3.2.tgz#1c30284907cadff5ed2404bd8396036dd3da070e"
+  integrity sha512-PLhTMPUXlnaIv9D3Cq3/Zr1xb7soeDDgunobyCmYLUG19n24dvC8i+ZZgm2DekGpDnx7JvFSHV7lxfM58PMtbA==
   dependencies:
     ansi-colors "^3.2.1"
 
@@ -2231,6 +2413,22 @@ es-abstract@^1.5.0:
     is-regex "^1.0.4"
     object-keys "^1.0.12"
 
+es-abstract@^1.5.1:
+  version "1.15.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.15.0.tgz#8884928ec7e40a79e3c9bc812d37d10c8b24cc57"
+  integrity sha512-bhkEqWJ2t2lMeaJDuk7okMkJWI/yqgH/EoGwpcvv0XW9RWQsRspI4wt6xuyuvMvvQE3gg/D9HXppgk21w78GyQ==
+  dependencies:
+    es-to-primitive "^1.2.0"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.0"
+    is-callable "^1.1.4"
+    is-regex "^1.0.4"
+    object-inspect "^1.6.0"
+    object-keys "^1.1.1"
+    string.prototype.trimleft "^2.1.0"
+    string.prototype.trimright "^2.1.0"
+
 es-to-primitive@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.0.tgz#edf72478033456e8dda8ef09e00ad9650707f377"
@@ -2352,15 +2550,14 @@ eth-ens-namehash@2.0.8:
     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==
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/eth-json-rpc-infura/-/eth-json-rpc-infura-3.2.1.tgz#26702a821067862b72d979c016fd611502c6057f"
+  integrity sha512-W7zR4DZvyTn23Bxc0EWsq4XGDdD63+XPUCEhV2zQvQGavDVC4ZpFDK4k99qN7bd7/fjj37+rxmuBOBeIqCA5Mw==
   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"
@@ -2483,14 +2680,22 @@ ethereumjs-abi@0.6.7:
     bn.js "^4.11.8"
     ethereumjs-util "^6.0.0"
 
+ethereumjs-abi@^0.6.8:
+  version "0.6.8"
+  resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.8.tgz#71bc152db099f70e62f108b7cdfca1b362c6fcae"
+  integrity sha512-Tx0r/iXI6r+lRsdvkFDlut0N08jWMnKRZ6Gkq+Nmw75lZe4e6o3EkSnkaBP5NF6+m5PTGAr9JP43N3LyeoglsA==
+  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"
+  version "0.6.8"
+  resolved "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b"
   dependencies:
     bn.js "^4.11.8"
     ethereumjs-util "^6.0.0"
 
-ethereumjs-account@3.0.0:
+ethereumjs-account@3.0.0, 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==
@@ -2508,7 +2713,7 @@ ethereumjs-account@^2.0.3:
     rlp "^2.0.0"
     safe-buffer "^5.1.1"
 
-ethereumjs-block@2.2.0, ethereumjs-block@~2.2.0:
+ethereumjs-block@2.2.0, 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==
@@ -2546,12 +2751,28 @@ ethereumjs-blockchain@^3.4.0:
     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-blockchain@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-blockchain/-/ethereumjs-blockchain-4.0.1.tgz#db113dfed4fcc5197d223391f10adbc5a1b3536b"
+  integrity sha512-twf2yeyzeBXzCgclLyF9wZEyCKbCweM2KZdZkTsnlqGgaffgnSgY44+z+9BHUIVoWY+gxMj+XsTlTgVcbha8rg==
+  dependencies:
+    async "^2.6.1"
+    ethashjs "~0.0.7"
+    ethereumjs-block "~2.2.0"
+    ethereumjs-common "^1.1.0"
+    ethereumjs-util "~6.1.0"
+    flow-stoplight "^1.0.0"
+    level-mem "^3.0.1"
+    lru-cache "^5.1.1"
+    rlp "^2.2.2"
+    semaphore "^1.1.0"
 
-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:
+ethereumjs-common@^1.1.0, ethereumjs-common@^1.3.1, ethereumjs-common@^1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/ethereumjs-common/-/ethereumjs-common-1.3.2.tgz#5a20831e52199a31ff4b68ef361e34c05c976ed0"
+  integrity sha512-GkltYRIqBLzaZLmF/K3E+g9lZ4O4FL+TtpisAlD3N+UVlR+mrtoG+TvxavqVa6PwOY4nKIEMe5pl6MrTio3Lww==
+
+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:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz#88323a2d875b10549b8347e09f4862b546f3d89a"
   integrity sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==
@@ -2559,7 +2780,15 @@ ethereumjs-tx@1.3.7, ethereumjs-tx@^1.1.1, ethereumjs-tx@^1.2.0, ethereumjs-tx@^
     ethereum-common "^0.0.18"
     ethereumjs-util "^5.0.0"
 
-ethereumjs-util@6.1.0, ethereumjs-util@^6.0.0, ethereumjs-util@^6.1.0:
+ethereumjs-tx@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-2.1.1.tgz#7d204e2b319156c9bc6cec67e9529424a26e8ccc"
+  integrity sha512-QtVriNqowCFA19X9BCRPMgdVNJ0/gMBS91TQb1DfrhsbR748g4STwxZptFAwfqehMyrF8rDwB23w87PQwru0wA==
+  dependencies:
+    ethereumjs-common "^1.3.1"
+    ethereumjs-util "^6.0.0"
+
+ethereumjs-util@6.1.0, ethereumjs-util@^6.0.0, ethereumjs-util@^6.1.0, 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==
@@ -2583,7 +2812,7 @@ ethereumjs-util@^4.0.1, ethereumjs-util@^4.3.0:
     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:
+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, ethereumjs-util@^5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz#3e0c0d1741471acf1036052d048623dee54ad642"
   integrity sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==
@@ -2659,10 +2888,10 @@ ethereumjs-wallet@0.6.3:
     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"
-  integrity sha512-SoYhktEbLxf+fiux5SfCEwdzWENMvgIbMZD90I62s4GZD9nEjgEWy8ZboI3hck193Vs0bDoTohDISx84f2H2tw==
+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"
@@ -2675,10 +2904,10 @@ 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==
+ethers@^4.0.0-beta.1:
+  version "4.0.37"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.37.tgz#dfa70d59498663878c5e4a977d14356660ca5b90"
+  integrity sha512-B7bDdyQ45A5lPr6k2HOkEKMtYOuqlfy+nNf8glnRvWidkDQnToKw1bv7UyrwlbsIgY2mE03UxTVtouXcT6Vvcw==
   dependencies:
     "@types/node" "^10.3.2"
     aes-js "3.0.0"
@@ -2686,12 +2915,12 @@ ethers@4.0.0-beta.3:
     elliptic "6.3.3"
     hash.js "1.1.3"
     js-sha3 "0.5.7"
-    scrypt-js "2.0.3"
+    scrypt-js "2.0.4"
     setimmediate "1.0.4"
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
-ethers@^4.0.0-beta.1, ethers@^4.0.32:
+ethers@^4.0.32:
   version "4.0.33"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.33.tgz#f7b88d2419d731a39aefc37843a3f293e396f918"
   integrity sha512-lAHkSPzBe0Vj+JrhmkEHLtUEKEheVktIjGDyE9gbzF4zf1vibjYgB57LraDHu4/ItqWVkztgsm8GWqcDMN+6vQ==
@@ -2723,6 +2952,11 @@ ethjs-util@0.1.6, ethjs-util@^0.1.3, ethjs-util@^0.1.6:
     is-hex-prefixed "1.0.0"
     strip-hex-prefix "1.0.0"
 
+event-target-shim@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/event-target-shim/-/event-target-shim-5.0.1.tgz#5d4d3ebdf9583d63a5333ce2deb7480ab2b05789"
+  integrity sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==
+
 eventemitter3@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.1.1.tgz#47786bdaa087caf7b1b75e73abc5c7d540158cd0"
@@ -2759,6 +2993,19 @@ execa@^0.7.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+execa@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-1.0.0.tgz#c6236a5bb4df6d6f15e88e7f017798216749ddd8"
+  integrity sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==
+  dependencies:
+    cross-spawn "^6.0.0"
+    get-stream "^4.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
 express@^4.14.0:
   version "4.17.1"
   resolved "https://registry.yarnpkg.com/express/-/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
@@ -3032,6 +3279,11 @@ forwarded@~0.1.2:
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
   integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
 
+fp-ts@1.19.3:
+  version "1.19.3"
+  resolved "https://registry.yarnpkg.com/fp-ts/-/fp-ts-1.19.3.tgz#261a60d1088fbff01f91256f91d21d0caaaaa96f"
+  integrity sha512-H5KQDspykdHuztLTg+ajGN0Z2qUjcEf3Ybxc6hLt0k7/zPkn29XnKnxlBPyW2XIddWrGaJBzBl4VLYOtk39yZg==
+
 fp-ts@^1.0.0:
   version "1.19.5"
   resolved "https://registry.yarnpkg.com/fp-ts/-/fp-ts-1.19.5.tgz#3da865e585dfa1fdfd51785417357ac50afc520a"
@@ -3153,7 +3405,16 @@ functional-red-black-tree@^1.0.1, functional-red-black-tree@~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:
+ganache-cli@6.7.0:
+  version "6.7.0"
+  resolved "https://registry.yarnpkg.com/ganache-cli/-/ganache-cli-6.7.0.tgz#b59845578221bdf686cf124d007c5ee62e85a62f"
+  integrity sha512-9CZsClo9hl5MxGL7hkk14mie89Q94P0idh92jcV7LmppTYTCG7SHatuwcfqN7emFHArMt3fneN4QbH2do2N6Ow==
+  dependencies:
+    ethereumjs-util "6.1.0"
+    source-map-support "0.5.12"
+    yargs "13.2.4"
+
+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==
@@ -3231,7 +3492,7 @@ get-stream@^2.2.0:
     object-assign "^4.0.1"
     pinkie-promise "^2.0.0"
 
-get-stream@^4.1.0:
+get-stream@^4.0.0, get-stream@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-4.1.0.tgz#c1b255575f3dc21d59bfc79cd3d2b46b1c3a54b5"
   integrity sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==
@@ -3302,7 +3563,7 @@ glob@^7.0.0, glob@^7.1.3, glob@^7.1.4, glob@~7.1.4:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-global-dirs@^0.1.0:
+global-dirs@^0.1.0, global-dirs@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/global-dirs/-/global-dirs-0.1.1.tgz#b319c0dd4607f353f3be9cca4c72fc148c49f445"
   integrity sha1-sxnA3UYH81PzvpzKTHL8FIxJ9EU=
@@ -3377,7 +3638,7 @@ 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:
+got@9.6.0, 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==
@@ -3574,11 +3835,16 @@ home-or-tmp@^2.0.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.1"
 
-hosted-git-info@^2.1.4, hosted-git-info@^2.6.0:
+hosted-git-info@^2.1.4:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
   integrity sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w==
 
+hosted-git-info@^2.7.1:
+  version "2.8.5"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.5.tgz#759cfcf2c4d156ade59b0b2dfabddc42a6b9c70c"
+  integrity sha512-kssjab8CvdXfcXMXVcvsXum4Hwdq9XGtRD3TteMEvEbq0LXyiNQr6AprqKqfeaDXze7SxWvRxdpwE6ku7ikLkg==
+
 http-cache-semantics@3.8.1, http-cache-semantics@^3.8.1:
   version "3.8.1"
   resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-3.8.1.tgz#39b0e16add9b605bf0a9ef3d9daaf4843b4cacd2"
@@ -3673,9 +3939,9 @@ iferr@^0.1.5:
   integrity sha1-xg7taebY/bazEEofy8ocGS3FtQE=
 
 ignore-walk@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.1.tgz#a83e62e7d272ac0e3b551aaa82831a19b69f82f8"
-  integrity sha512-DTVlMx3IYPe0/JJcYP7Gxg7ttZZu3IInhuEhbchuqneY9wWe5Ojy2mXLBaQFUQmo0AW2r3qG7m1mg86js+gnlQ==
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.3.tgz#017e2447184bfeade7c238e4aefdd1e8f95b1e37"
+  integrity sha512-m7o6xuOaT1aqheYHKf8W6J5pYH85ZI9w077erOzLje3JsB1gkafkAhHHY19dqjulgIZHFm32Cp5uNZgcQqdJKw==
   dependencies:
     minimatch "^3.0.4"
 
@@ -3699,7 +3965,7 @@ imurmurhash@^0.1.4:
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
   integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
 
-infer-owner@^1.0.3:
+infer-owner@^1.0.3, infer-owner@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/infer-owner/-/infer-owner-1.0.4.tgz#c4cefcaa8e51051c2a40ba2ce8a3d27295af9467"
   integrity sha512-IClj+Xz94+d7irH5qRyfJonOdfTzuDaifE6ZPWfx0N0+/ATZCbuTPq2prFl526urkQd90WyUKIh1DfBQ2hMz9A==
@@ -3752,7 +4018,12 @@ invert-kv@^1.0.0:
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
   integrity sha1-EEqOSqym09jNFXqO+L+rLXo//bY=
 
-io-ts@^1.8.6:
+invert-kv@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-2.0.0.tgz#7393f5afa59ec9ff5f67a27620d11c226e3eec02"
+  integrity sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==
+
+io-ts@1.10.4:
   version "1.10.4"
   resolved "https://registry.yarnpkg.com/io-ts/-/io-ts-1.10.4.tgz#cd5401b138de88e4f920adbcb7026e2d1967e6e2"
   integrity sha512-b23PteSnYXSONJ6JQXRAlvJhuw8KOtkqa87W4wDtvMrud/DTJd5X+NpOOI+O/zZwVq6v0VLAaJ+1EDViKEuN9g==
@@ -3845,6 +4116,14 @@ is-installed-globally@^0.1.0:
     global-dirs "^0.1.0"
     is-path-inside "^1.0.0"
 
+is-installed-globally@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/is-installed-globally/-/is-installed-globally-0.2.0.tgz#8cde07ade508458b51f14bcda315ffaf4898de30"
+  integrity sha512-g3TzWCnR/eO4Q3abCwgFjOFw7uVOfxG4m8hMr/39Jcf2YvE5mHrFKqpyuraWV4zwx9XhjnVO4nY0ZI4llzl0Pg==
+  dependencies:
+    global-dirs "^0.1.1"
+    is-path-inside "^2.1.0"
+
 is-natural-number@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
@@ -3877,6 +4156,13 @@ is-path-inside@^1.0.0:
   dependencies:
     path-is-inside "^1.0.1"
 
+is-path-inside@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-2.1.0.tgz#7c9810587d659a40d27bcdb4d5616eab059494b2"
+  integrity sha512-wiyhTzfDWsvwAW53OBWF5zuvaOGlZ6PwYxAbPVDhpm+gM09xKQGjBq/8uYN12aDvMxnAnq3dxTyoSoRNmg5YFg==
+  dependencies:
+    path-is-inside "^1.0.2"
+
 is-plain-obj@^1.0.0, is-plain-obj@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
@@ -3889,11 +4175,16 @@ is-regex@^1.0.4:
   dependencies:
     has "^1.0.1"
 
-is-retry-allowed@^1.0.0, is-retry-allowed@^1.1.0:
+is-retry-allowed@^1.0.0:
   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-retry-allowed@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.2.0.tgz#d778488bd0a4666a3be8a1482b9f2baafedea8b4"
+  integrity sha512-RUbUeKwvm3XG2VYamhJL1xFktgjvPzL0Hq8C+6yrWIswDy3BIXGqCxhxkc30N9jqK311gVU137K8Ei55/zVJRg==
+
 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"
@@ -3931,11 +4222,6 @@ isexe@^2.0.0:
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
   integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
 
-isomorphic-ws@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/isomorphic-ws/-/isomorphic-ws-4.0.1.tgz#55fd4cd6c5e6491e76dc125938dd863f5cd4f2dc"
-  integrity sha512-BhBvN2MBpWTaSHdWRb/bwdZJ1WaehQ2L1KngkCkfLUGF0mAWAT1sQUQacEmQ0jXkFw/czDXPNQSL5u2/Krsz1w==
-
 isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
@@ -4031,6 +4317,11 @@ js-sha3@0.5.7, js-sha3@^0.5.7:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
   integrity sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=
 
+js-sha3@0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
+  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
+
 js-sha3@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.6.1.tgz#5b89f77a7477679877f58c4a075240934b1f95c0"
@@ -4143,9 +4434,9 @@ json5@^0.5.1:
   integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
 
 json5@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/json5/-/json5-2.1.0.tgz#e7a0c62c48285c628d20a10b85c89bb807c32850"
-  integrity sha512-8Mh9h6xViijj36g7Dxi+Y4S6hNGV96vcJZr/SrlHh1LR/pEn/8j/+qIBbs44YKl69Lrfctp4QD+AdWLTMqEZAQ==
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-2.1.1.tgz#81b6cb04e9ba496f1c7005d07b4368a2638f90b6"
+  integrity sha512-l+3HXD0GEI3huGq1njuqtzYK8OYJyXMkOLtQ53pjWh89tvWS2h6l+1zMkYWqlb57+SiQodKZyvMEFb2X+KrFhQ==
   dependencies:
     minimist "^1.2.0"
 
@@ -4232,7 +4523,7 @@ klaw@^1.0.0:
   optionalDependencies:
     graceful-fs "^4.1.9"
 
-kleur@^3.0.2:
+kleur@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.3.tgz#a79c9ecc86ee1ce3fa6206d1216c501f147fc07e"
   integrity sha512-eTIzlVOSUR+JxdDFepEYcBMtZ9Qqdef+rnzWdRZuMbOywu5tO2w2N7rqjoANZ5k9vywhL6Br1VRjUIgTQx4E8w==
@@ -4251,6 +4542,13 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+lcid@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-2.0.0.tgz#6ef5d2df60e52f82eb228a4c373e8d1f397253cf"
+  integrity sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==
+  dependencies:
+    invert-kv "^2.0.0"
+
 level-codec@^9.0.0:
   version "9.0.1"
   resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-9.0.1.tgz#042f4aa85e56d4328ace368c950811ba802b7247"
@@ -4357,6 +4655,15 @@ level-ws@0.0.0:
     readable-stream "~1.0.15"
     xtend "~2.1.1"
 
+level-ws@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/level-ws/-/level-ws-1.0.0.tgz#19a22d2d4ac57b18cc7c6ecc4bd23d899d8f603b"
+  integrity sha512-RXEfCmkd6WWFlArh3X8ONvQPm8jNpfA0s/36M4QzLqrLEIt1iJE9WBHLZ5vZJK6haMjJPJGJCQWfjMNnRcq/9Q==
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^2.2.8"
+    xtend "^4.0.1"
+
 levelup@3.1.1, levelup@^3.0.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/levelup/-/levelup-3.1.1.tgz#c2c0b3be2b4dc316647c53b42e2f559e232d2189"
@@ -4445,7 +4752,7 @@ lodash@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:
+lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, 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==
@@ -4546,6 +4853,13 @@ make-fetch-happen@^5.0.0:
     socks-proxy-agent "^4.0.0"
     ssri "^6.0.0"
 
+map-age-cleaner@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz#7d583a7306434c055fe474b0f45078e6e1b4b92a"
+  integrity sha512-bJzx6nMoP6PDLPBFmg7+xRKeFZvFboMrGlxmNj9ClvX53KrmvM5bXFXEWjbz4cz1AFn+jWJ9z/DJSz7hrs0w3w==
+  dependencies:
+    p-defer "^1.0.0"
+
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"
@@ -4567,6 +4881,15 @@ mem@^1.1.0:
   dependencies:
     mimic-fn "^1.0.0"
 
+mem@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/mem/-/mem-4.3.0.tgz#461af497bc4ae09608cdb2e60eefb69bff744178"
+  integrity sha512-qX2bG48pTqYRVmDB37rn/6PT7LcR8T7oAX3bf99u1Tt1nzxYfxkgqDwUwolPlXweM0XzBOBFzSx4kfp7KP1s/w==
+  dependencies:
+    map-age-cleaner "^0.1.1"
+    mimic-fn "^2.0.0"
+    p-is-promise "^2.0.0"
+
 memdown@^1.0.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/memdown/-/memdown-1.4.1.tgz#b4e4e192174664ffbae41361aa500f3119efe215"
@@ -4627,6 +4950,19 @@ merkle-patricia-tree@2.3.2, merkle-patricia-tree@^2.1.2, merkle-patricia-tree@^2
     rlp "^2.0.0"
     semaphore ">=1.0.1"
 
+merkle-patricia-tree@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-3.0.0.tgz#448d85415565df72febc33ca362b8b614f5a58f8"
+  integrity sha512-soRaMuNf/ILmw3KWbybaCjhx86EYeBbD8ph0edQCTed0JN/rxDt1EBN52Ajre3VyGo+91f8+/rfPIRQnnGMqmQ==
+  dependencies:
+    async "^2.6.1"
+    ethereumjs-util "^5.2.0"
+    level-mem "^3.0.1"
+    level-ws "^1.0.0"
+    readable-stream "^3.0.6"
+    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"
@@ -4648,11 +4984,16 @@ miller-rabin@^4.0.0:
     bn.js "^4.0.0"
     brorand "^1.0.1"
 
-mime-db@1.40.0, mime-db@^1.28.0:
+mime-db@1.40.0:
   version "1.40.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.40.0.tgz#a65057e998db090f732a68f6c276d387d4126c32"
   integrity sha512-jYdeOMPy9vnxEqFRRo6ZvTZ8d9oPb+k18PKoYNYUe2stVEBPPwsln/qWzdbmaIvnhZ9v2P+CuecK+fpUfsV2mA==
 
+mime-db@^1.28.0:
+  version "1.42.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.42.0.tgz#3e252907b4c7adb906597b4b65636272cf9e7bac"
+  integrity sha512-UbfJCR4UAVRNgMpfImz05smAXK7+c+ZntjaA26ANtkXLlOe947Aag5zdIcKQULAiF9Cq4WxBi9jUs5zkA84bYQ==
+
 mime-types@^2.1.12, mime-types@^2.1.16, mime-types@~2.1.19, mime-types@~2.1.24:
   version "2.1.24"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.24.tgz#b6f8d0b3e951efb77dedeca194cff6d16f676f81"
@@ -4670,6 +5011,11 @@ mimic-fn@^1.0.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"
   integrity sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==
 
+mimic-fn@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
+  integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
+
 mimic-response@^1.0.0, mimic-response@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-1.0.1.tgz#4923538878eef42063cb8a3e3b0798781487ab1b"
@@ -4722,6 +5068,14 @@ minipass@^2.2.1, minipass@^2.3.5:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
+minipass@^2.8.6:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
+  integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
+  dependencies:
+    safe-buffer "^5.1.2"
+    yallist "^3.0.0"
+
 minizlib@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.1.tgz#dd27ea6136243c7c880684e8672bb3a45fd9b614"
@@ -4827,7 +5181,7 @@ 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@^2.13.2, 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==
@@ -4862,6 +5216,11 @@ next-tick@^1.0.0:
   resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
   integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
 
+nice-try@^1.0.4:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
+  integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
+
 node-alias@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/node-alias/-/node-alias-1.0.4.tgz#1f1b916b56b9ea241c0135f97ced6940f556f292"
@@ -4898,6 +5257,11 @@ node-fetch@2.1.2:
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
   integrity sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=
 
+node-fetch@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
+  integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
+
 node-fetch@~1.7.1:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
@@ -4906,11 +5270,6 @@ node-fetch@~1.7.1:
     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==
-
 nopt@3.x:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
@@ -4948,27 +5307,27 @@ npm-bundled@^1.0.1:
   integrity sha512-8/JCaftHwbd//k6y2rEWp6k1wxVfpFzB6t1p825+cUb7Ym2XQfhwIC5KwhrvzZRJu+LtDE585zVaS32+CGtf0g==
 
 npm-check-updates@^3.1.11:
-  version "3.1.20"
-  resolved "https://registry.yarnpkg.com/npm-check-updates/-/npm-check-updates-3.1.20.tgz#9dd719bc04af9c273b33b44a7d5368d5e85ae9c2"
-  integrity sha512-mc9BAoOYSTwP/IvoA+ofdkWSipwRvhgC0qop1PvlMZojgzi7N/dykdxOIWrw0OlZPnEKvXkKFEuPk97LrvXE1A==
+  version "3.1.24"
+  resolved "https://registry.yarnpkg.com/npm-check-updates/-/npm-check-updates-3.1.24.tgz#bbb27267c786aa4c052cfd6f5f45b02ae00c021f"
+  integrity sha512-8CxlXsSPo8RCAHHqycxU9gcDcSkoBI0I2bkh37HJry2VJhqGxeVnEVq8vtFcigzIRrUgbSOyKgSm+jvu3ookMw==
   dependencies:
     chalk "^2.4.2"
     cint "^8.2.1"
     cli-table "^0.3.1"
-    commander "^2.20.0"
+    commander "^3.0.2"
     fast-diff "^1.2.0"
     find-up "4.1.0"
     get-stdin "^7.0.0"
     json-parse-helpfulerror "^1.0.3"
     libnpmconfig "^1.2.1"
-    lodash "^4.17.13"
+    lodash "^4.17.15"
     node-alias "^1.0.4"
-    pacote "^9.5.1"
+    pacote "^9.5.8"
     progress "^2.0.3"
-    prompts "^2.1.0"
+    prompts "^2.2.1"
     rc-config-loader "^2.0.4"
     requireg "^0.2.2"
-    semver "^6.2.0"
+    semver "^6.3.0"
     semver-utils "^1.1.4"
     spawn-please "^0.3.0"
     update-notifier "^3.0.1"
@@ -4982,36 +5341,36 @@ npm-conf@^1.1.0:
     pify "^3.0.0"
 
 npm-package-arg@^6.0.0, npm-package-arg@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/npm-package-arg/-/npm-package-arg-6.1.0.tgz#15ae1e2758a5027efb4c250554b85a737db7fcc1"
-  integrity sha512-zYbhP2k9DbJhA0Z3HKUePUgdB1x7MfIfKssC+WLPFMKTBZKpZh5m13PgexJjCq6KW7j17r0jHWcCpxEqnnncSA==
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/npm-package-arg/-/npm-package-arg-6.1.1.tgz#02168cb0a49a2b75bf988a28698de7b529df5cb7"
+  integrity sha512-qBpssaL3IOZWi5vEKUKW0cO7kzLeT+EQO9W8RsLOZf76KF9E/K9+wH0C7t06HXPpaH8WH5xF1MExLuCwbTqRUg==
   dependencies:
-    hosted-git-info "^2.6.0"
+    hosted-git-info "^2.7.1"
     osenv "^0.1.5"
-    semver "^5.5.0"
+    semver "^5.6.0"
     validate-npm-package-name "^3.0.0"
 
 npm-packlist@^1.1.12:
-  version "1.4.4"
-  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.4.4.tgz#866224233850ac534b63d1a6e76050092b5d2f44"
-  integrity sha512-zTLo8UcVYtDU3gdeaFu2Xu0n0EvelfHDGuqtNIn5RO7yQj4H1TqNdBc/yZjxnWA0PVB8D3Woyp0i5B43JwQ6Vw==
+  version "1.4.6"
+  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.4.6.tgz#53ba3ed11f8523079f1457376dd379ee4ea42ff4"
+  integrity sha512-u65uQdb+qwtGvEJh/DgQgW1Xg7sqeNbmxYyrvlNznaVTjV3E5P6F/EFjM+BVHXl7JJlsdG8A64M0XI8FI/IOlg==
   dependencies:
     ignore-walk "^3.0.1"
     npm-bundled "^1.0.1"
 
-npm-pick-manifest@^2.2.3:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/npm-pick-manifest/-/npm-pick-manifest-2.2.3.tgz#32111d2a9562638bb2c8f2bf27f7f3092c8fae40"
-  integrity sha512-+IluBC5K201+gRU85vFlUwX3PFShZAbAgDNp2ewJdWMVSppdo/Zih0ul2Ecky/X7b51J7LrrUAP+XOmOCvYZqA==
+npm-pick-manifest@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/npm-pick-manifest/-/npm-pick-manifest-3.0.2.tgz#f4d9e5fd4be2153e5f4e5f9b7be8dc419a99abb7"
+  integrity sha512-wNprTNg+X5nf+tDi+hbjdHhM4bX+mKqv6XmPh7B5eG+QY9VARfQPfCEH013H5GqfNj6ee8Ij2fg8yk0mzps1Vw==
   dependencies:
     figgy-pudding "^3.5.1"
     npm-package-arg "^6.0.0"
     semver "^5.4.1"
 
 npm-registry-fetch@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/npm-registry-fetch/-/npm-registry-fetch-4.0.0.tgz#5ef75845b605855c7964472542c25da172af8677"
-  integrity sha512-Jllq35Jag8dtv0M17ue74XtdQTyqKzuAYGiX9mAjOhkmNjib3bBUgK6mUY61+AHnXeSRobQkpY3/xIOS/omptw==
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/npm-registry-fetch/-/npm-registry-fetch-4.0.2.tgz#2b1434f93ccbe6b6385f8e45f45db93e16921d7a"
+  integrity sha512-Z0IFtPEozNdeZRPh3aHHxdG+ZRpzcbQaJLthsm3VhNf6DScicTFRHZzK82u8RsJUsUHkX+QH/zcB/5pmd20H4A==
   dependencies:
     JSONStream "^1.3.4"
     bluebird "^3.5.1"
@@ -5019,6 +5378,7 @@ npm-registry-fetch@^4.0.0:
     lru-cache "^5.1.1"
     make-fetch-happen "^5.0.0"
     npm-package-arg "^6.1.0"
+    safe-buffer "^5.2.0"
 
 npm-run-path@^2.0.0:
   version "2.0.2"
@@ -5081,12 +5441,12 @@ object-assign@^4, object-assign@^4.0.0, object-assign@^4.0.1, object-assign@^4.1
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
   integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
 
-object-inspect@~1.6.0:
+object-inspect@^1.6.0, 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@^1.0.12:
+object-keys@^1.0.12, object-keys@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
   integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
@@ -5096,6 +5456,14 @@ object-keys@~0.4.0:
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
   integrity sha1-KKaq50KN0sOpLz2V8hM13SBOAzY=
 
+object.getownpropertydescriptors@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
+  integrity sha1-h1jIRvW0B62rDyNuCYbxSwUcqhY=
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.5.1"
+
 oboe@2.1.3:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.3.tgz#2b4865dbd46be81225713f4e9bfe4bcf4f680a4f"
@@ -5163,6 +5531,15 @@ os-locale@^2.0.0:
     lcid "^1.0.0"
     mem "^1.1.0"
 
+os-locale@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-3.1.0.tgz#a802a6ee17f24c10483ab9935719cef4ed16bf1a"
+  integrity sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==
+  dependencies:
+    execa "^1.0.0"
+    lcid "^2.0.0"
+    mem "^4.0.0"
+
 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"
@@ -5191,6 +5568,11 @@ p-cancelable@^1.0.0:
   resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-1.1.0.tgz#d078d15a3af409220c886f1d9a0ca2e441ab26cc"
   integrity sha512-s73XxOZ4zpt1edZYZzvhqFa6uvQc1vwUa0K0BdtIZgQMAJj9IbebH+JkgKZc9h+B05PKHLOTl4ajG1BmNrVZlw==
 
+p-defer@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
+  integrity sha1-n26xgvbJqozXQwBKfU+WsZaw+ww=
+
 p-event@^2.1.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/p-event/-/p-event-2.3.1.tgz#596279ef169ab2c3e0cae88c1cfbb08079993ef6"
@@ -5208,6 +5590,11 @@ p-is-promise@^1.1.0:
   resolved "https://registry.yarnpkg.com/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
   integrity sha1-nJRWmJ6fZYgBewQ01WCXZ1w9oF4=
 
+p-is-promise@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/p-is-promise/-/p-is-promise-2.1.0.tgz#918cebaea248a62cf7ffab8e3bca8c5f882fc42e"
+  integrity sha512-Y3W0wlRPK8ZMRbNq97l4M5otioeA5lm1z7bkNkxCka8HSPjR0xRWmpCmc9utiaLP9Jb1eD8BgeIxTW4AIF45Pg==
+
 p-limit@^1.1.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.3.0.tgz#b86bd5f0c25690911c7590fcbfc2010d54b3ccb8"
@@ -5215,13 +5602,20 @@ p-limit@^1.1.0:
   dependencies:
     p-try "^1.0.0"
 
-p-limit@^2.0.0, p-limit@^2.2.0:
+p-limit@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.2.0.tgz#417c9941e6027a9abcba5092dd2904e255b5fbc2"
   integrity sha512-pZbTJpoUsCzV48Mc9Nh51VbwO0X9cuPFE8gYwx9BTCt9SF8/b7Zljd2fVgOxhIF/HDTKgpVzs+GPhyKfjLLFRQ==
   dependencies:
     p-try "^2.0.0"
 
+p-limit@^2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.2.1.tgz#aa07a788cc3151c939b5131f63570f0dd2009537"
+  integrity sha512-85Tk+90UCVWvbDavCLKPOLC9vvY8OwEX/RtKF+/1OADJMVlFfEHOiMTPVyxg7mk/dKa+ipdHm0OUkTvCpMTuwg==
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-2.0.0.tgz#20a0103b222a70c8fd39cc2e580680f3dde5ec43"
@@ -5287,16 +5681,18 @@ package-json@^6.3.0:
     registry-url "^5.0.0"
     semver "^6.2.0"
 
-pacote@^9.5.1:
-  version "9.5.4"
-  resolved "https://registry.yarnpkg.com/pacote/-/pacote-9.5.4.tgz#8baa26f3d1326d13dc2fe0fe84040a364ae30aad"
-  integrity sha512-nWr0ari6E+apbdoN0hToTKZElO5h4y8DGFa2pyNA5GQIdcP0imC96bA0bbPw1gpeguVIiUgHHaAlq/6xfPp8Qw==
+pacote@^9.5.8:
+  version "9.5.8"
+  resolved "https://registry.yarnpkg.com/pacote/-/pacote-9.5.8.tgz#23480efdc4fa74515855c9ecf39cf64078f99786"
+  integrity sha512-0Tl8Oi/K0Lo4MZmH0/6IsT3gpGf9eEAznLXEQPKgPq7FscnbUOyopnVpwXlnQdIbCUaojWy1Wd7VMyqfVsRrIw==
   dependencies:
     bluebird "^3.5.3"
-    cacache "^12.0.0"
+    cacache "^12.0.2"
+    chownr "^1.1.2"
     figgy-pudding "^3.5.1"
     get-stream "^4.1.0"
     glob "^7.1.3"
+    infer-owner "^1.0.4"
     lru-cache "^5.1.1"
     make-fetch-happen "^5.0.0"
     minimatch "^3.0.4"
@@ -5306,7 +5702,7 @@ pacote@^9.5.1:
     normalize-package-data "^2.4.0"
     npm-package-arg "^6.1.0"
     npm-packlist "^1.1.12"
-    npm-pick-manifest "^2.2.3"
+    npm-pick-manifest "^3.0.0"
     npm-registry-fetch "^4.0.0"
     osenv "^0.1.5"
     promise-inflight "^1.0.1"
@@ -5316,16 +5712,16 @@ pacote@^9.5.1:
     safe-buffer "^5.1.2"
     semver "^5.6.0"
     ssri "^6.0.1"
-    tar "^4.4.8"
+    tar "^4.4.10"
     unique-filename "^1.1.1"
     which "^1.3.1"
 
 parallel-transform@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.1.0.tgz#d410f065b05da23081fcd10f28854c29bda33b06"
-  integrity sha1-1BDwZbBdojCB/NEPKIVMKb2jOwY=
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.2.0.tgz#9049ca37d6cb2182c3b1d2c720be94d14a5814fc"
+  integrity sha512-P2vSmIu38uIlvdcU7fDkyrxj33gTUy/ABO5ZUbGowxNCopBq/OoD42bP4UmMrJoPyk4Uqf0mu3mtWBhHCZD8yg==
   dependencies:
-    cyclist "~0.2.2"
+    cyclist "^1.0.1"
     inherits "^2.0.3"
     readable-stream "^2.1.5"
 
@@ -5377,12 +5773,12 @@ path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
 
-path-is-inside@^1.0.1:
+path-is-inside@^1.0.1, path-is-inside@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
   integrity sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=
 
-path-key@^2.0.0:
+path-key@^2.0.0, path-key@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
   integrity sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=
@@ -5414,7 +5810,7 @@ pathval@^1.1.0:
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
   integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
 
-pbkdf2@^3.0.17, pbkdf2@^3.0.3, pbkdf2@^3.0.9:
+pbkdf2@^3.0.3, pbkdf2@^3.0.9:
   version "3.0.17"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.17.tgz#976c206530617b14ebb32114239f7b09336e93a6"
   integrity sha512-U/il5MsrZp7mGg3mSQfn742na2T+1/vHDCG5/iTI3X9MKUuYUZVLQhyRsg06mCgDBTd57TxzgZt7P+fYfjRLtA==
@@ -5535,13 +5931,13 @@ promise-to-callback@^1.0.0:
     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"
-  integrity sha512-+x5TozgqYdOwWsQFZizE/Tra3fKvAoy037kOyU6cgz84n8f6zxngLOV4O32kTwt9FcLCxAqw0P/c8rOr9y+Gfg==
+prompts@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.2.1.tgz#f901dd2a2dfee080359c0e20059b24188d75ad35"
+  integrity sha512-VObPvJiWPhpZI6C5m60XOzTfnYg/xc/an+r9VYymj9WJW3B/DIH+REzjpAACPf8brwPeP+7vz3bIim3S+AaMjw==
   dependencies:
-    kleur "^3.0.2"
-    sisteransi "^1.0.0"
+    kleur "^3.0.3"
+    sisteransi "^1.0.3"
 
 proto-list@~1.2.1:
   version "1.2.4"
@@ -5683,6 +6079,11 @@ qs@6.7.0:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
+qs@^6.7.0:
+  version "6.9.0"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.0.tgz#d1297e2a049c53119cb49cca366adbbacc80b409"
+  integrity sha512-27RP4UotQORTpmNQDX8BHPukOnBP3p1uUJY5UnDhaJB+rMt9iMsok724XL+UHU23bEFOHRMQ2ZhI99qOWUMGFA==
+
 qs@~6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
@@ -5772,7 +6173,7 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.5, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.5, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.8, readable-stream@^2.2.9, readable-stream@^2.3.0, 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==
@@ -5795,6 +6196,15 @@ readable-stream@^1.0.33:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@^3.0.6:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.4.0.tgz#a51c26754658e0a3c21dbf59163bd45ba6f447fc"
+  integrity sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readable-stream@~1.0.15:
   version "1.0.34"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
@@ -5984,7 +6394,14 @@ reusify@^1.0.0:
   resolved "https://registry.yarnpkg.com/reusify/-/reusify-1.0.4.tgz#90da382b1e126efc02146e90845a88db12925d76"
   integrity sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.2, rimraf@^2.6.3:
+rimraf@2, rimraf@^2.5.4:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
+  dependencies:
+    glob "^7.1.3"
+
+rimraf@^2.2.8, 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==
@@ -5999,7 +6416,7 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-rlp@^2.0.0, rlp@^2.2.1:
+rlp@^2.0.0, rlp@^2.2.1, rlp@^2.2.2:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.3.tgz#7f94aef86cec412df87d5ea1d8cb116a47d45f0e"
   integrity sha512-l6YVrI7+d2vpW6D6rS05x2Xrmq8oW7v3pieZOJKBEdjuTF4Kz/iwk55Zyh1Zaz+KOB2kC8+2jZlp2u9L4tTzCQ==
@@ -6029,7 +6446,7 @@ safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0, safe-buffer@~5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
@@ -6135,7 +6552,7 @@ semver-utils@^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@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.6.0:
+"semver@2 || 3 || 4 || 5", 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==
@@ -6145,7 +6562,12 @@ semver@6.2.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.2.0.tgz#4d813d9590aaf8a9192693d6c85b9344de5901db"
   integrity sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==
 
-semver@^6.0.0, semver@^6.2.0:
+semver@^5.0.3, semver@^5.3.0, semver@^5.4.1:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
+
+semver@^6.0.0, semver@^6.2.0, semver@^6.3.0:
   version "6.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
@@ -6275,10 +6697,10 @@ simple-get@^2.7.0:
     once "^1.3.1"
     simple-concat "^1.0.0"
 
-sisteransi@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.2.tgz#ec57d64b6f25c4f26c0e2c7dd23f2d7f12f7e418"
-  integrity sha512-ZcYcZcT69nSLAR2oLN2JwNmLkJEKGooFMCdvOkFrToUt/WfcRWqhIg4P4KwY4dmLbuyXIx4o4YmPsvMRJYJd/w==
+sisteransi@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.3.tgz#98168d62b79e3a5e758e27ae63c4a053d748f4eb"
+  integrity sha512-SbEG75TzH8G7eVXFSN5f9EExILKfly7SUvVY5DhhYLvfhKqhDFY0OzevWa/zwak0RLRfWS5AvfMWpd9gJvr5Yg==
 
 slash@^1.0.0:
   version "1.0.0"
@@ -6311,19 +6733,19 @@ socks@~2.3.2:
     ip "^1.1.5"
     smart-buffer "4.0.2"
 
-solc@0.5.8:
-  version "0.5.8"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.8.tgz#a0aa2714082fc406926f5cb384376d7408080611"
-  integrity sha512-RQ2SlwPBOBSV7ktNQJkvbiQks3t+3V9dsqD014EdstxnJzSxBuOvbt3P5QXpNPYW1DsEmF7dhOaT3JL7yEae/A==
+solc@0.5.11:
+  version "0.5.11"
+  resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.11.tgz#5905261191d01befd78ef52610a006820022ee8f"
+  integrity sha512-F8avCCVDYnJzvIm/ITsU11GFNdFI4HaNsME+zw9lK5a3ojD3LZN2Op2cIfWg7w1HeRYRiMOU1dM77saX6jUIKw==
   dependencies:
     command-exists "^1.2.8"
     fs-extra "^0.30.0"
-    keccak "^1.0.2"
+    js-sha3 "0.8.0"
     memorystream "^0.3.1"
     require-from-string "^2.0.0"
     semver "^5.5.0"
     tmp "0.0.33"
-    yargs "^11.0.0"
+    yargs "^13.2.0"
 
 solc@^0.5.10:
   version "0.5.10"
@@ -6339,13 +6761,18 @@ solc@^0.5.10:
     tmp "0.0.33"
     yargs "^11.0.0"
 
-solidity-parser-antlr@^0.4.2, solidity-parser-antlr@^0.4.7:
+solidity-parser-antlr@0.4.7:
   version "0.4.7"
   resolved "https://registry.yarnpkg.com/solidity-parser-antlr/-/solidity-parser-antlr-0.4.7.tgz#8e18867c95a956958ed008371e43f9e571dee6af"
   integrity sha512-iVjNhgqkXw+o+0E+xoLcji+3KuXLe8Rm8omUuVGhsV14+ZsTwQ70nhBRXg8O3t9xwdS0iST1q9NJ5IqHnqpWkA==
   dependencies:
     npm-check-updates "^3.1.11"
 
+solidity-parser-antlr@^0.4.2:
+  version "0.4.11"
+  resolved "https://registry.yarnpkg.com/solidity-parser-antlr/-/solidity-parser-antlr-0.4.11.tgz#af43e1f13b3b88309a875455f5d6e565b05ee5f1"
+  integrity sha512-4jtxasNGmyC0midtjH/lTFPZYvTTUMy6agYcF+HoMnzW8+cqo3piFrINb4ZCzpPW+7tTVFCGa5ubP34zOzeuMg==
+
 sort-keys-length@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sort-keys-length/-/sort-keys-length-1.0.1.tgz#9cb6f4f4e9e48155a6aa0671edd336ff1479a188"
@@ -6367,7 +6794,7 @@ sort-keys@^2.0.0:
   dependencies:
     is-plain-obj "^1.0.0"
 
-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==
@@ -6382,6 +6809,14 @@ source-map-support@^0.4.15:
   dependencies:
     source-map "^0.5.6"
 
+source-map-support@^0.5.13:
+  version "0.5.13"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.13.tgz#31b24a9c2e73c2de85066c0feb7d44767ed52932"
+  integrity sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map@^0.5.0, 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"
@@ -6535,6 +6970,29 @@ string.prototype.trim@^1.1.2, string.prototype.trim@~1.1.2:
     es-abstract "^1.5.0"
     function-bind "^1.0.2"
 
+string.prototype.trimleft@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz#6cc47f0d7eb8d62b0f3701611715a3954591d634"
+  integrity sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==
+  dependencies:
+    define-properties "^1.1.3"
+    function-bind "^1.1.1"
+
+string.prototype.trimright@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimright/-/string.prototype.trimright-2.1.0.tgz#669d164be9df9b6f7559fa8e89945b168a5a6c58"
+  integrity sha512-fXZTSV55dNBwv16uw+hh5jkghxSnc5oHq+5K/gXgizHwAvMetdAJlHqqoFC1FSDVPYWLkAKl2cxpUT41sV7nSg==
+  dependencies:
+    define-properties "^1.1.3"
+    function-bind "^1.1.1"
+
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
+  dependencies:
+    safe-buffer "~5.2.0"
+
 string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
@@ -6656,7 +7114,7 @@ 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==
@@ -6674,7 +7132,7 @@ swarm-js@0.1.39, swarm-js@^0.1.39:
     tar "^4.0.2"
     xhr-request-promise "^0.1.2"
 
-tape@^4.6.3, tape@^4.8.0:
+tape@^4.6.3:
   version "4.11.0"
   resolved "https://registry.yarnpkg.com/tape/-/tape-4.11.0.tgz#63d41accd95e45a23a874473051c57fdbc58edc1"
   integrity sha512-yixvDMX7q7JIs/omJSzSZrqulOV51EC9dK8dM0TzImTIkHWfe2/kFyL5v+d9C+SrCMaICk59ujsqFAVidDqDaA==
@@ -6726,7 +7184,7 @@ tar@^2.1.1:
     fstream "^1.0.12"
     inherits "2"
 
-tar@^4.0.2, tar@^4.4.8:
+tar@^4.0.2:
   version "4.4.10"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.10.tgz#946b2810b9a5e0b26140cf78bea6b0b0d689eba1"
   integrity sha512-g2SVs5QIxvo6OLp0GudTqEf05maawKUxXru104iaayWA09551tFCTI8f1Asb4lPfkBr91k07iL4c11XO3/b0tA==
@@ -6739,6 +7197,19 @@ tar@^4.0.2, tar@^4.4.8:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
+tar@^4.4.10:
+  version "4.4.13"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
+  integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
+  dependencies:
+    chownr "^1.1.1"
+    fs-minipass "^1.2.5"
+    minipass "^2.8.6"
+    minizlib "^1.2.1"
+    mkdirp "^0.5.0"
+    safe-buffer "^5.1.2"
+    yallist "^3.0.3"
+
 term-size@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/term-size/-/term-size-1.2.0.tgz#458b83887f288fc56d6fffbfad262e26638efa69"
@@ -6788,6 +7259,17 @@ timed-out@^4.0.0, timed-out@^4.0.1:
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
   integrity sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=
 
+tiny-secp256k1@^1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/tiny-secp256k1/-/tiny-secp256k1-1.1.3.tgz#e93b1e1bf62e9bd1ad3ab24af27ff6127ce0e077"
+  integrity sha512-ZpobrhOtHP98VYEN51IYQH1YcrbFpnxFhI6ceWa3OEbJn7eHvSd8YFjGPxbedGCy7PNYU1v/+BRsdvyr5uRd4g==
+  dependencies:
+    bindings "^1.3.0"
+    bn.js "^4.11.8"
+    create-hmac "^1.1.7"
+    elliptic "^6.4.0"
+    nan "^2.13.2"
+
 tmp@0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
@@ -6854,11 +7336,6 @@ trim-right@^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"
@@ -6871,45 +7348,11 @@ truffle-config@^1.1.18:
     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"
-  integrity sha512-YcgSOlrufi6VtnXg8LU5Ma7JHzHpnZQxzB1PSWnb+JOTc1nL02XRoCWTgEO7PkJnFgf6yrwOpW0ajSwHk3zQ7Q==
-  dependencies:
-    ajv "^6.10.0"
-    crypto-js "^3.1.9-1"
-    debug "^4.1.0"
-
-truffle-contract@^4.0.14:
-  version "4.0.25"
-  resolved "https://registry.yarnpkg.com/truffle-contract/-/truffle-contract-4.0.25.tgz#dc58c3ad20a4b1654efc0d55020e3bb8b9adac66"
-  integrity sha512-ngy+ljTCSs/Arv4/9xUjq6mBdAHvQjFvJGqMcBDoNZSXUdvuW4qmX9gu/cOFEt2hdsBcpt0sx7DrXGlY4O97ww==
-  dependencies:
-    bignumber.js "^7.2.1"
-    ethers "^4.0.0-beta.1"
-    truffle-blockchain-utils "^0.0.10"
-    truffle-contract-schema "^3.0.11"
-    truffle-error "^0.0.5"
-    truffle-interface-adapter "^0.2.0"
-    web3 "1.0.0-beta.37"
-    web3-core-promievent "1.0.0-beta.37"
-    web3-eth-abi "1.0.0-beta.37"
-    web3-utils "1.0.0-beta.37"
-
 truffle-error@^0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/truffle-error/-/truffle-error-0.0.5.tgz#6b5740c9f3aac74f47b85d654fff7fe2c1fc5e0e"
   integrity sha512-JpzPLMPSCE0vaZ3vH5NO5u42GpMj/Y1SRBkQ6b69PSw3xMSH1umApN32cEcg1nnh8q5FNYc5FnKu0m4tiBffyQ==
 
-truffle-interface-adapter@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/truffle-interface-adapter/-/truffle-interface-adapter-0.2.0.tgz#8f998dc27c039e5bb93b44c37726f8c32cfd026d"
-  integrity sha512-NMj2gGr96/Ny5P2CvVzvkMAYXFjZfkdLCLt0kOiYGltoTt7EVP+HVLpYUfvxHjmEYytGdjXjrt/1srCfbPbAsQ==
-  dependencies:
-    bn.js "^4.11.8"
-    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"
@@ -6943,11 +7386,6 @@ ts-essentials@^2.0.7:
   resolved "https://registry.yarnpkg.com/ts-essentials/-/ts-essentials-2.0.12.tgz#c9303f3d74f75fa7528c3d49b80e089ab09d8745"
   integrity sha512-3IVX4nI6B5cc31/GFFE+i8ey/N2eA0CZDbo6n0yrz0zDX8ZJ8djmU1p+XRz7G3is0F3bB3pu2pAroFdAWQKU3w==
 
-tslib@^1.9.3:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
-  integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
-
 tsort@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/tsort/-/tsort-0.0.1.tgz#e2280f5e817f8bf4275657fd0f9aebd44f5a2786"
@@ -7017,6 +7455,11 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+typeforce@^1.11.5:
+  version "1.18.0"
+  resolved "https://registry.yarnpkg.com/typeforce/-/typeforce-1.18.0.tgz#d7416a2c5845e085034d70fcc5b6cc4a90edbfdc"
+  integrity sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g==
+
 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"
@@ -7160,11 +7603,19 @@ utf8@3.0.0, utf8@^3.0.0:
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
   integrity sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
 
+util.promisify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/util.promisify/-/util.promisify-1.0.0.tgz#440f7165a459c9a16dc145eb8e72f35687097030"
+  integrity sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==
+  dependencies:
+    define-properties "^1.1.2"
+    object.getownpropertydescriptors "^2.0.3"
+
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
@@ -7218,15 +7669,6 @@ web3-bzz@1.0.0-beta.35:
     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"
-  integrity sha512-E+dho49Nsm/QpQvYWOF35YDsQrMvLB19AApENxhlQsu6HpWQt534DQul0t3Y/aAh8rlKD6Kanxt8LhHDG3vejQ==
-  dependencies:
-    got "7.1.0"
-    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"
@@ -7245,15 +7687,6 @@ web3-core-helpers@1.0.0-beta.35:
     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"
-  integrity sha512-efaLOzN28RMnbugnyelgLwPWWaSwElQzcAJ/x3PZu+uPloM/lE5x0YuBKvIh7/PoSMlHqtRWj1B8CpuQOUQ5Ew==
-  dependencies:
-    underscore "1.8.3"
-    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"
@@ -7274,17 +7707,6 @@ web3-core-method@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"
-  integrity sha512-pKWFUeqnVmzx3VrZg+CseSdrl/Yrk2ioid/HzolNXZE6zdoITZL0uRjnsbqXGEzgRRd1Oe/pFndpTlRsnxXloA==
-  dependencies:
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.37"
-    web3-core-promievent "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"
@@ -7304,14 +7726,6 @@ web3-core-promievent@1.0.0-beta.35:
     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"
-  integrity sha512-GTF2r1lP8nJBeA5Gxq5yZpJy9l8Fb9CXGZPfF8jHvaRdQHtm2Z+NDhqYmF833lcdkokRSyfPcXlz1mlWeClFpg==
-  dependencies:
-    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"
@@ -7331,17 +7745,6 @@ web3-core-requestmanager@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"
-  integrity sha512-66VUqye5BGp1Zz1r8psCxdNH+GtTjaFwroum2Osx+wbC5oRjAiXkkadiitf6wRb+edodjEMPn49u7B6WGNuewQ==
-  dependencies:
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.37"
-    web3-providers-http "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"
@@ -7362,15 +7765,6 @@ web3-core-subscriptions@1.0.0-beta.35:
     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"
-  integrity sha512-FdXl8so9kwkRRWziuCSpFsAuAdg9KvpXa1fQlT16uoGcYYfxwFO/nkwyBGQzkZt7emShI2IRugcazyPCZDwkOA==
-  dependencies:
-    eventemitter3 "1.1.1"
-    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"
@@ -7390,16 +7784,6 @@ web3-core@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"
-  integrity sha512-cIwEqCj7OJyefQNauI0HOgW4sSaOQ98V99H2/HEIlnCZylsDzfw7gtQUdwnRFiIyIxjbWy3iWsjwDPoXNPZBYg==
-  dependencies:
-    web3-core-helpers "1.0.0-beta.37"
-    web3-core-method "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"
@@ -7420,15 +7804,6 @@ web3-eth-abi@1.0.0-beta.35:
     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"
-  integrity sha512-g9DKZGM2OqwKp/tX3W/yihcj7mQCtJ6CXyZXEIZfuDyRBED/iSEIFfieDOd+yo16sokLMig6FG7ADhhu+19hdA==
-  dependencies:
-    ethers "4.0.0-beta.1"
-    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"
@@ -7454,22 +7829,6 @@ web3-eth-accounts@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"
-  integrity sha512-uvbHL62/zwo4GDmwKdqH9c/EgYd8QVnAfpVw8D3epSISpgbONNY7Hr4MRMSd/CqAP12l2Ls9JVQGLhhC83bW6g==
-  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.37"
-    web3-core-helpers "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"
@@ -7501,20 +7860,6 @@ web3-eth-contract@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"
-  integrity sha512-h1B3A8Z/C7BlnTCHkrWbXZQTViDxfR12lKMeTkT8Sqj5phFmxrBlPE4ORy4lf1Dk5b23mZYE0r/IRACx4ThCrQ==
-  dependencies:
-    underscore "1.8.3"
-    web3-core "1.0.0-beta.37"
-    web3-core-helpers "1.0.0-beta.37"
-    web3-core-method "1.0.0-beta.37"
-    web3-core-promievent "1.0.0-beta.37"
-    web3-core-subscriptions "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"
@@ -7529,20 +7874,6 @@ web3-eth-contract@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"
-  integrity sha512-dR3UkrVzdRrJhfP57xBPx0CMiVnCcYFvh+u2XMkGydrhHgupSUkjqGr89xry/j1T0BkuN9mikpbyhdCVMXqMbg==
-  dependencies:
-    eth-ens-namehash "2.0.8"
-    underscore "1.8.3"
-    web3-core "1.0.0-beta.37"
-    web3-core-helpers "1.0.0-beta.37"
-    web3-core-promievent "1.0.0-beta.37"
-    web3-eth-abi "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"
@@ -7565,14 +7896,6 @@ web3-eth-iban@1.0.0-beta.35:
     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"
-  integrity sha512-WQRniGJFxH/XCbd7miO6+jnUG+6bvuzfeufPIiOtCbeIC1ypp1kSqER8YVBDrTyinU1xnf1U5v0KBZ2yiWBJxQ==
-  dependencies:
-    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"
@@ -7592,17 +7915,6 @@ web3-eth-personal@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"
-  integrity sha512-B4dZpGbD+nGnn48i6nJBqrQ+HB7oDmd+Q3wGRKOsHSK5HRWO/KwYeA7wgwamMAElkut50lIsT9EJl4Apfk3G5Q==
-  dependencies:
-    web3-core "1.0.0-beta.37"
-    web3-core-helpers "1.0.0-beta.37"
-    web3-core-method "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"
@@ -7632,25 +7944,6 @@ web3-eth@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"
-  integrity sha512-Eb3aGtkz3G9q+Z9DKgSQNbn/u8RtcZQQ0R4sW9hy5KK47GoT6vab5c6DiD3QWzI0BzitHzR5Ji+3VHf/hPUGgw==
-  dependencies:
-    underscore "1.8.3"
-    web3-core "1.0.0-beta.37"
-    web3-core-helpers "1.0.0-beta.37"
-    web3-core-method "1.0.0-beta.37"
-    web3-core-subscriptions "1.0.0-beta.37"
-    web3-eth-abi "1.0.0-beta.37"
-    web3-eth-accounts "1.0.0-beta.37"
-    web3-eth-contract "1.0.0-beta.37"
-    web3-eth-ens "1.0.0-beta.37"
-    web3-eth-iban "1.0.0-beta.37"
-    web3-eth-personal "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"
@@ -7679,15 +7972,6 @@ web3-net@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"
-  integrity sha512-xG/uBtMdDa1UMXw9KjDUgf3fXA/fDEJUYUS0TDn+U9PMgngA+UVECHNNvQTrVVDxEky38V3sahwIDiopNsQdsw==
-  dependencies:
-    web3-core "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"
@@ -7731,14 +8015,6 @@ web3-providers-http@1.0.0-beta.35:
     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"
-  integrity sha512-FM/1YDB1jtZuTo78habFj7S9tNHoqt0UipdyoQV29b8LkGKZV9Vs3is8L24hzuj1j/tbwkcAH+ewIseHwu0DTg==
-  dependencies:
-    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"
@@ -7756,15 +8032,6 @@ web3-providers-ipc@1.0.0-beta.35:
     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"
-  integrity sha512-NdRPRxYMIU0C3u18NI8u4bwbhI9pCg5nRgDGYcmSAx5uOBxiYcQy+hb0WkJRRhBoyIXJmy+s26FoH8904+UnPg==
-  dependencies:
-    oboe "2.1.3"
-    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"
@@ -7783,15 +8050,6 @@ web3-providers-ws@1.0.0-beta.35:
     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"
-  integrity sha512-8p6ZLv+1JYa5Vs8oBn33Nn3VGFBbF+wVfO+b78RJS1Qf1uIOzjFVDk3XwYDD7rlz9G5BKpxhaQw+6EGQ7L02aw==
-  dependencies:
-    underscore "1.8.3"
-    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"
@@ -7811,16 +8069,6 @@ web3-shh@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"
-  integrity sha512-h5STG/xqZNQWtCLYOu7NiMqwqPea8SfkKQUPUFxXKIPVCFVKpHuQEwW1qcPQRJMLhlQIv17xuoUe1A+RzDNbrw==
-  dependencies:
-    web3-core "1.0.0-beta.37"
-    web3-core-method "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"
@@ -7844,19 +8092,6 @@ web3-utils@1.0.0-beta.35:
     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"
-  integrity sha512-kA1fyhO8nKgU21wi30oJQ/ssvu+9srMdjOTKbHYbQe4ATPcr5YNwwrxG3Bcpbu1bEwRUVKHCkqi+wTvcAWBdlQ==
-  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@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.1.tgz#21466e38291551de0ab34558de21512ac4274534"
@@ -7896,19 +8131,6 @@ web3@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"
-  integrity sha512-8XLgUspdzicC/xHG82TLrcF/Fxzj2XYNJ1KTYnepOI77bj5rvpsxxwHYBWQ6/JOjk0HkZqoBfnXWgcIHCDhZhQ==
-  dependencies:
-    web3-bzz "1.0.0-beta.37"
-    web3-core "1.0.0-beta.37"
-    web3-eth "1.0.0-beta.37"
-    web3-eth-personal "1.0.0-beta.37"
-    web3-net "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"
@@ -7922,31 +8144,6 @@ web3@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"
-  integrity sha512-fyRgoSo3XtUWXApLxXb3ntUOoQ8aaRna3K7kr5iFPNLrhwzEbYihXeQTK9s0HV6Gf+NahQZpgOd61P4K4nORFA==
-  dependencies:
-    "@types/bn.js" "^4.11.2"
-    "@types/node" "^10.12.0"
-    "@types/ws" "^6.0.1"
-    bip39 "^2.5.0"
-    bn.js "^4.11.8"
-    browserify-aes "^1.2.0"
-    elliptic "^6.4.0"
-    got "^9.3.0"
-    hdkey "^1.1.0"
-    idna-uts46-hx "^2.3.1"
-    isomorphic-ws "^4.0.1"
-    mkdirp "^0.5.1"
-    node-http-xhr "^1.3.4"
-    pbkdf2 "^3.0.17"
-    randombytes "^2.0.6"
-    swarm-js "^0.1.39"
-    tslib "^1.9.3"
-    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"
@@ -7990,6 +8187,13 @@ widest-line@^2.0.0:
   dependencies:
     string-width "^2.1.1"
 
+wif@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/wif/-/wif-2.0.6.tgz#08d3f52056c66679299726fade0d432ae74b4704"
+  integrity sha1-CNP1IFbGZnkplyb63g1DKudLRwQ=
+  dependencies:
+    bs58check "<3.0.0"
+
 wordwrap@^1.0.0, wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
@@ -8047,13 +8251,6 @@ ws@^5.1.1:
   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"
-  integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
-  dependencies:
-    async-limiter "~1.0.0"
-
 xdg-basedir@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-3.0.0.tgz#496b2cc109eca8dbacfe2dc72b603c17c5870ad4"
@@ -8138,7 +8335,7 @@ 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@^13.0.0, yargs-parser@^13.1.1:
+yargs-parser@^13.0.0, yargs-parser@^13.1.0, yargs-parser@^13.1.1:
   version "13.1.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"
   integrity sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==
@@ -8153,6 +8350,23 @@ yargs-parser@^9.0.2:
   dependencies:
     camelcase "^4.1.0"
 
+yargs@13.2.4:
+  version "13.2.4"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.2.4.tgz#0b562b794016eb9651b98bd37acf364aa5d6dc83"
+  integrity sha512-HG/DWAJa1PAnHT9JAhNa8AbAv3FPaiLzioSjCcmuXXhP8MlpHO5vwls4g4j6n30Z74GVQj8Xa62dWVx1QCGklg==
+  dependencies:
+    cliui "^5.0.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    os-locale "^3.1.0"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^13.1.0"
+
 yargs@^11.0.0:
   version "11.1.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
@@ -8171,7 +8385,7 @@ yargs@^11.0.0:
     y18n "^3.2.1"
     yargs-parser "^9.0.2"
 
-yargs@^13.2.2:
+yargs@^13.2.0, yargs@^13.2.2:
   version "13.3.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.0.tgz#4c657a55e07e5f2cf947f8a366567c04a0dedc83"
   integrity sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==