diff --git a/contracts/interfaces/IUniswapV2Factory.sol b/contracts/interfaces/IUniswapV2Factory.sol
index 35f0f67..db1b8cc 100644
--- a/contracts/interfaces/IUniswapV2Factory.sol
+++ b/contracts/interfaces/IUniswapV2Factory.sol
@@ -8,7 +8,7 @@ interface IUniswapV2Factory {
     function sortTokens(address tokenA, address tokenB) external pure returns (address, address);
     function getExchange(address tokenA, address tokenB) external view returns (address);
     function getTokens(address exchange) external view returns (address, address);
-    function getExchanges() external view returns (address[] memory);
+    function getExchanges(uint) external view returns (address);
     function getExchangesCount() external view returns (uint);
 
     function createExchange(address tokenA, address tokenB) external returns (address exchange);
diff --git a/package.json b/package.json
index ce936d4..ac99d3c 100644
--- a/package.json
+++ b/package.json
@@ -6,15 +6,16 @@
     "solc": "0.5.13"
   },
   "devDependencies": {
-    "@types/chai": "^4.2.3",
+    "@types/chai": "^4.2.6",
     "@types/mocha": "^5.2.7",
     "chai": "^4.2.0",
-    "ethereum-waffle": "^2.1.1",
-    "ethereumjs-util": "^6.1.0",
+    "ethereum-waffle": "2.1.0",
+    "ethereumjs-util": "^6.2.0",
+    "ethers": "^4.0.40",
     "mocha": "^6.2.2",
-    "prettier": "^1.18.2",
-    "ts-node": "^8.4.1",
-    "typescript": "^3.6.4"
+    "prettier": "^1.19.1",
+    "ts-node": "^8.5.4",
+    "typescript": "^3.7.3"
   },
   "scripts": {
     "prettier:check": "yarn prettier ./test/*.ts --check",
diff --git a/test/UniswapV2Factory.spec.ts b/test/UniswapV2Factory.spec.ts
index dfc4442..69f2b23 100644
--- a/test/UniswapV2Factory.spec.ts
+++ b/test/UniswapV2Factory.spec.ts
@@ -32,7 +32,7 @@ describe('UniswapV2Factory', () => {
 
   it('exchangeBytecode', async () => {
     expect(await factory.exchangeBytecode()).to.eq(bytecode)
-    expect(await factory.getExchangesLength()).to.eq(0)
+    expect(await factory.getExchangesCount()).to.eq(0)
   })
 
   async function createExchange(tokens: string[]) {
@@ -46,14 +46,11 @@ describe('UniswapV2Factory', () => {
       'UniswapV2Factory: EXCHANGE_EXISTS'
     )
 
-    expect(await factory.getExchangesLength()).to.eq(1)
-    expect(await factory.getTokens(create2Address)).to.deep.eq([TEST_ADDRESSES.token0, TEST_ADDRESSES.token1])
     expect(await factory.getExchange(...tokens)).to.eq(create2Address)
     expect(await factory.getExchange(...tokens.slice().reverse())).to.eq(create2Address)
-    expect(await factory.getOtherTokens(tokens[0])).to.deep.eq([tokens[1]])
-    expect(await factory.getOtherTokens(tokens[1])).to.deep.eq([tokens[0]])
-    expect(await factory.getOtherTokensLength(tokens[0])).to.deep.eq(bigNumberify(1))
-    expect(await factory.getOtherTokensLength(tokens[1])).to.deep.eq(bigNumberify(1))
+    expect(await factory.getTokens(create2Address)).to.deep.eq([TEST_ADDRESSES.token0, TEST_ADDRESSES.token1])
+    expect(await factory.getExchanges(0)).to.eq(create2Address)
+    expect(await factory.getExchangesCount()).to.eq(1)
 
     const exchange = new Contract(create2Address, JSON.stringify(UniswapV2.abi), provider)
     expect(await exchange.factory()).to.eq(factory.address)
diff --git a/yarn.lock b/yarn.lock
index 721421d..779866c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -51,12 +51,19 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
-"@types/chai@^4.2.3":
-  version "4.2.4"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.4.tgz#8936cffad3c96ec470a2dc26a38c3ba8b9b6f619"
-  integrity sha512-7qvf9F9tMTzo0akeswHPGqgUx/gIaJqrOEET/FCD8CFRkSUHlygQiM5yB6OvjrtdxBVLSyw7COJubsFYs0683g==
+"@types/bn.js@^4.11.3":
+  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/ganache-core@^2.7.0":
+"@types/chai@^4.2.6":
+  version "4.2.6"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.6.tgz#a55625d151d9c7c7a0a95920632131d66480bce9"
+  integrity sha512-HF8faEUA4JurIm+68VaA2KedtZf5LYdXpQEAbIAN79DwWQbO82BNTksZgCH3UMqbZHXex9C6TrBfg7OUInRISQ==
+
+"@types/ganache-core@^2.1.2":
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/@types/ganache-core/-/ganache-core-2.7.0.tgz#867ecc7f3f34a9b7bfac45567db8fab1d051c1ab"
   integrity sha512-kNnP+XBHmyEMYGLFzA+5PDt6P1TazTjALtZoJXExVisVT9buU8Al1xY24f3V+ROWshghQCL1cqofi8YsmacIew==
@@ -68,10 +75,15 @@
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-5.2.7.tgz#315d570ccb56c53452ff8638738df60726d5b6ea"
   integrity sha512-NYrtPht0wGzhwe9+/idPaBB+TqkY9AhTvOLMkThm0IoEfLaiVQZwBwyJ5puCkO3AUCWrmcoePjp2mbFocKy4SQ==
 
+"@types/node@*":
+  version "12.12.14"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.14.tgz#1c1d6e3c75dba466e0326948d56e8bd72a1903d2"
+  integrity sha512-u/SJDyXwuihpwjXy7hOOghagLEV1KdAST6syfnOk6QZAMzZuWZqXy5aYYZbh8Jdpd4escVFP0MvftHNDb9pruA==
+
 "@types/node@^10.3.2":
-  version "10.17.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.2.tgz#41b5afbcde1a5a805302a4da3cf399499f1bbf64"
-  integrity sha512-sAh60KDol+MpwOr1RTK0+HgBEYejKsxdpmrOS1Wts5bI03dLzq8F7T0sRXDKeaEK8iWDlGfdzxrzg6vx/c5pNA==
+  version "10.17.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.6.tgz#1aaabd6f6470a6ac3824ab1e94d731ca1326d93d"
+  integrity sha512-0a2X6cgN3RdPBL2MIlR6Lt0KlM7fOFsutuXcdglcOq6WvLnYXgPQSh0Mx6tO1KCAE8MxbHSOSTWDoUxRq+l3DA==
 
 abbrev@1:
   version "1.1.1"
@@ -185,7 +197,7 @@ ansi-wrap@0.1.0, ansi-wrap@^0.1.0:
   resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
   integrity sha1-qCJQ3bABXponyoLoLqYDu/pF768=
 
-any-promise@1.3.0:
+any-promise@1.3.0, any-promise@^1.0.0, any-promise@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
   integrity sha1-q8av7tzqUugJzcA3au0845Y10X8=
@@ -224,9 +236,9 @@ are-we-there-yet@~1.1.2:
     readable-stream "^2.0.6"
 
 arg@^4.1.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.1.tgz#485f8e7c390ce4c5f78257dbea80d4be11feda4c"
-  integrity sha512-SlmP3fEA88MBv0PypnXZ8ZfJhwmDeIE3SP71j37AiXQBXYosPV0x6uISAaHYSlSVhmHOVkomen0tbGk6Anlebw==
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.2.tgz#e70c90579e02c63d80e3ad4e31d8bfdb8bd50064"
+  integrity sha512-+ytCkGcBtHZ3V2r2Z06AncYO8jz46UEamcspGoU8lHcEbpn6J77QK0vdWvChsclg/tM5XIJC5tnjmPp7Eq6Obg==
 
 argparse@^1.0.7:
   version "1.0.10"
@@ -408,9 +420,9 @@ aws-sign2@~0.7.0:
   integrity sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=
 
 aws4@^1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
-  integrity sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.9.0.tgz#24390e6ad61386b0a747265754d2a17219de862c"
+  integrity sha512-Uvq6hVe90D0B2WEnUqtdgY1bATGz3mw33nH9Y+dmA+w5DHvUmBgkr5rM/KCHpCsiFNRUfokW/szpPPgMK2hm4A==
 
 babel-code-frame@^6.26.0:
   version "6.26.0"
@@ -1028,10 +1040,22 @@ bl@^1.0.0:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
+block-stream@*:
+  version "0.0.9"
+  resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
+  integrity sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=
+  dependencies:
+    inherits "~2.0.0"
+
+bluebird@^2.9.34:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
+  integrity sha1-U0uQM8AiyVecVro7Plpcqvu2UOE=
+
 bluebird@^3.5.0:
-  version "3.7.1"
-  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.1.tgz#df70e302b471d7473489acf26a93d63b53f874de"
-  integrity sha512-DdmyoGCleJnkbp3nkbxTLJ18rjDsE4yCggEwKNXkeV123sPNfOCYeDoeuOY+F2FrSjO1YXcTU+dsy96KMy+gcg==
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
+  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
 
 bn.js@4.11.6:
   version "4.11.6"
@@ -1300,9 +1324,9 @@ camelcase@^5.0.0:
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
 caniuse-lite@^1.0.30000844:
-  version "1.0.30001006"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001006.tgz#5b6e8288792cfa275f007b2819a00ccad7112655"
-  integrity sha512-MXnUVX27aGs/QINz+QG1sWSLDr3P1A3Hq5EUWoIt0T7K24DuvMxZEnh3Y5aHlJW6Bz2aApJdSewdYLd8zQnUuw==
+  version "1.0.30001015"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001015.tgz#15a7ddf66aba786a71d99626bc8f2b91c6f0f5f0"
+  integrity sha512-/xL2AbW/XWHNu1gnIrO8UitBGoFthcsDgU9VLK1/dpsoxbaD5LscHozKze05R6WLsBvLhqv78dAPozMFQBYLbQ==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1508,6 +1532,11 @@ commander@3.0.2:
   resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
   integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
 
+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@~2.8.1:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
@@ -1553,9 +1582,9 @@ content-type@~1.0.4:
   integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
 
 convert-source-map@^1.5.0, convert-source-map@^1.5.1:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.6.0.tgz#51b537a8c43e0f04dec1993bffcdd504e758ac20"
-  integrity sha512-eFu7XigvxdZ1ETfbgPBohgyQ/Z++C0eEhTor0qRwBw9unw+L0/6V8wkSuGgzdThkiS5lSpdptOQPD8Ak40a+7A==
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.7.0.tgz#17a2cb882d7f77d3490585e2ce6c524424a3a442"
+  integrity sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==
   dependencies:
     safe-buffer "~5.1.1"
 
@@ -1588,9 +1617,9 @@ copy-props@^2.0.1:
     is-plain-object "^2.0.1"
 
 core-js@^2.4.0, core-js@^2.5.0:
-  version "2.6.10"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.10.tgz#8a5b8391f8cc7013da703411ce5b585706300d7f"
-  integrity sha512-I39t74+4t+zau64EN1fE5v2W31Adtc/REhzWN+gWRRXg6WH5qAsZm62DHpQ1+Yhe4047T55jvzz7MUqF/dBBlA==
+  version "2.6.11"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
+  integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
@@ -1859,9 +1888,9 @@ depd@~1.1.2:
   integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
 
 des.js@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
-  integrity sha1-wHTS4qpqipoH29YfmhXCzYPsjsw=
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.1.tgz#5382142e1bdc53f85d86d53e5f4aa7deb91e0843"
+  integrity sha512-Q0I4pfFrv2VPd34/vfLrFOoRmlYj3OV50i7fskps1jZWK1kApMWWT9G6RRUeYedLcBDIhnSDaUvJMb3AhUlaEA==
   dependencies:
     inherits "^2.0.1"
     minimalistic-assert "^1.0.0"
@@ -1958,9 +1987,9 @@ ee-first@1.1.1:
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 electron-to-chromium@^1.3.47:
-  version "1.3.296"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.296.tgz#a1d4322d742317945285d3ba88966561b67f3ac8"
-  integrity sha512-s5hv+TSJSVRsxH190De66YHb50pBGTweT9XGWYu/LMR20KX6TsjFzObo36CjVAzM+PUeeKSBRtm/mISlCzeojQ==
+  version "1.3.322"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.322.tgz#a6f7e1c79025c2b05838e8e344f6e89eb83213a8"
+  integrity sha512-Tc8JQEfGQ1MzfSzI/bTlSr7btJv/FFO7Yh6tanqVmIWOuNCu6/D1MilIEgLtmWqIrsv+o4IjpLAhgMBr/ncNAA==
 
 elliptic@6.3.3:
   version "6.3.3"
@@ -1972,10 +2001,10 @@ elliptic@6.3.3:
     hash.js "^1.0.0"
     inherits "^2.0.1"
 
-elliptic@^6.0.0, elliptic@^6.4.0, elliptic@^6.4.1:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.1.tgz#c380f5f909bf1b9b4428d028cd18d3b0efd6b52b"
-  integrity sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==
+elliptic@6.5.2, elliptic@^6.0.0, elliptic@^6.4.0, elliptic@^6.4.1:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
+  integrity sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"
@@ -2034,38 +2063,38 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
-es-abstract@^1.13.0, es-abstract@^1.5.0, es-abstract@^1.5.1:
-  version "1.16.0"
-  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.16.0.tgz#d3a26dc9c3283ac9750dca569586e976d9dcc06d"
-  integrity sha512-xdQnfykZ9JMEiasTAJZJdMWCQ1Vm00NBw79/AWi7ELfZuuPCSOMDZbT9mkOfSctVtfhb+sAAzrm+j//GjjLHLg==
+es-abstract@^1.5.0, es-abstract@^1.5.1:
+  version "1.16.3"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.16.3.tgz#52490d978f96ff9f89ec15b5cf244304a5bca161"
+  integrity sha512-WtY7Fx5LiOnSYgF5eg/1T+GONaGmpvpPdCpSnYij+U2gDTL0UPfWrhDw7b2IYb+9NQJsYpCA0wOQvZfsd6YwRw==
   dependencies:
-    es-to-primitive "^1.2.0"
+    es-to-primitive "^1.2.1"
     function-bind "^1.1.1"
     has "^1.0.3"
-    has-symbols "^1.0.0"
+    has-symbols "^1.0.1"
     is-callable "^1.1.4"
     is-regex "^1.0.4"
-    object-inspect "^1.6.0"
+    object-inspect "^1.7.0"
     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"
-  integrity sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  integrity sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==
   dependencies:
     is-callable "^1.1.4"
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
 es5-ext@^0.10.35, es5-ext@^0.10.46, es5-ext@^0.10.50:
-  version "0.10.52"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.52.tgz#bb21777e919a04263736ded120a9d665f10ea63f"
-  integrity sha512-bWCbE9fbpYQY4CU6hJbJ1vSz70EClMlDgJ7BmwI+zEJhxrwjesZRPglGJlsZhu0334U3hI+gaspwksH9IGD6ag==
+  version "0.10.53"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.53.tgz#93c5a3acfdbef275220ad72644ad02ee18368de1"
+  integrity sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==
   dependencies:
     es6-iterator "~2.0.3"
-    es6-symbol "~3.1.2"
+    es6-symbol "~3.1.3"
     next-tick "~1.0.0"
 
 es6-iterator@^2.0.1, es6-iterator@^2.0.3, es6-iterator@~2.0.3:
@@ -2077,7 +2106,7 @@ es6-iterator@^2.0.1, es6-iterator@^2.0.3, es6-iterator@~2.0.3:
     es5-ext "^0.10.35"
     es6-symbol "^3.1.1"
 
-es6-symbol@^3.1.1, es6-symbol@~3.1.2:
+es6-symbol@^3.1.1, es6-symbol@~3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
   integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
@@ -2170,16 +2199,7 @@ eth-json-rpc-middleware@^1.5.0:
     promise-to-callback "^1.0.0"
     tape "^4.6.3"
 
-eth-lib@0.2.7:
-  version "0.2.7"
-  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.7.tgz#2f93f17b1e23aec3759cd4a3fe20c1286a3fc1ca"
-  integrity sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=
-  dependencies:
-    bn.js "^4.11.6"
-    elliptic "^6.4.0"
-    xhr-request-promise "^0.1.2"
-
-eth-lib@^0.1.26:
+eth-lib@0.1.27:
   version "0.1.27"
   resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.1.27.tgz#f0b0fd144f865d2d6bf8257a40004f2e75ca1dd6"
   integrity sha512-B8czsfkJYzn2UIEMwjc7Mbj+Cy72V+/OXH/tb44LV8jhrjizQJJ325xMOMyk3+ETa6r6oi0jsUY14+om8mQMWA==
@@ -2192,6 +2212,27 @@ eth-lib@^0.1.26:
     ws "^3.0.0"
     xhr-request-promise "^0.1.2"
 
+eth-lib@0.2.7:
+  version "0.2.7"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.7.tgz#2f93f17b1e23aec3759cd4a3fe20c1286a3fc1ca"
+  integrity sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=
+  dependencies:
+    bn.js "^4.11.6"
+    elliptic "^6.4.0"
+    xhr-request-promise "^0.1.2"
+
+eth-lib@^0.1.26:
+  version "0.1.29"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.1.29.tgz#0c11f5060d42da9f931eab6199084734f4dbd1d9"
+  integrity sha512-bfttrr3/7gG4E02HoWTDUcDDslN003OlOoBxk9virpAZQ1ja/jDgwkWB8QfJF7ojuEowrqy+lzp9VcJG7/k5bQ==
+  dependencies:
+    bn.js "^4.11.6"
+    elliptic "^6.4.0"
+    nano-json-stream-parser "^0.1.2"
+    servify "^0.1.12"
+    ws "^3.0.0"
+    xhr-request-promise "^0.1.2"
+
 eth-query@^2.0.2, eth-query@^2.1.0, eth-query@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/eth-query/-/eth-query-2.1.2.tgz#d6741d9000106b51510c72db92d6365456a6da5e"
@@ -2200,6 +2241,18 @@ eth-query@^2.0.2, eth-query@^2.1.0, eth-query@^2.1.2:
     json-rpc-random-id "^1.0.0"
     xtend "^4.0.1"
 
+eth-sig-util@2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-2.2.0.tgz#769fa3d296b450f6618dedeefe076642c923a16f"
+  integrity sha512-bAxW35bL4U2lrtjjV8rFGJ8B27z4Sn5v9eIaNdpPUnPfUAtrvx5j8atfyV+k+JOnbppcvKhWCO1rQSBk4kkAhw==
+  dependencies:
+    buffer "^5.2.1"
+    elliptic "^6.4.0"
+    ethereumjs-abi "0.6.5"
+    ethereumjs-util "^5.1.1"
+    tweetnacl "^1.0.0"
+    tweetnacl-util "^0.15.0"
+
 eth-sig-util@2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-2.3.0.tgz#c54a6ac8e8796f7e25f59cf436982a930e645231"
@@ -2256,17 +2309,16 @@ ethereum-common@^0.0.18:
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
   integrity sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=
 
-ethereum-waffle@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/ethereum-waffle/-/ethereum-waffle-2.1.1.tgz#ddbd43d1a393a1e04e2fc20aa160444fc18412df"
-  integrity sha512-79Yb/KgiKoIRkKVVLqPUdpaHAphW/Y6uF1EuhoxP109VY3zRf0Y7pV5ya9kYq0puLd9PmNUHIBnJLqyfQxp7Ig==
+ethereum-waffle@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/ethereum-waffle/-/ethereum-waffle-2.1.0.tgz#c1ccef575b7e26e43f91cc077189d5840ea47aa6"
+  integrity sha512-toDUD0Nhjfse3Ti7I6gW7gvxitIpDCHHUZFPxErzSry8pss428Xz0eTYPtIk2bOjumTCpjH7UqsLki3b8wNCuA==
   dependencies:
     "@resolver-engine/imports" "^0.3.3"
     "@resolver-engine/imports-fs" "^0.3.3"
-    "@types/ganache-core" "^2.7.0"
+    "@types/ganache-core" "^2.1.2"
     ethers "^4.0.0"
-    ganache-core "^2.8.0"
-    mkdirp "^0.5.1"
+    ganache-core "2.6.1"
     solc "^0.5.10"
 
 ethereumjs-abi@0.6.5:
@@ -2310,7 +2362,7 @@ 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:
   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==
@@ -2332,6 +2384,17 @@ ethereumjs-block@^1.2.2, ethereumjs-block@^1.4.1, ethereumjs-block@^1.6.0:
     ethereumjs-util "^5.0.0"
     merkle-patricia-tree "^2.1.2"
 
+ethereumjs-block@~2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-block/-/ethereumjs-block-2.2.1.tgz#5fba423305b40ab6486a6b81922e5312b2667c8d"
+  integrity sha512-ze8I1844m5oKZL7hiHuezRcPzqdi4Iv0ssqQyuRaJ9Je0/YCYfXobJHvNLnex2ETgs5JypicdtLYrCNWdgcLvg==
+  dependencies:
+    async "^2.0.1"
+    ethereumjs-common "^1.1.0"
+    ethereumjs-tx "^2.1.1"
+    ethereumjs-util "^5.0.0"
+    merkle-patricia-tree "^2.1.2"
+
 ethereumjs-blockchain@^3.4.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-blockchain/-/ethereumjs-blockchain-3.4.0.tgz#92240da6ecd86b3d8d324df69510b381f26c966b"
@@ -2348,10 +2411,10 @@ ethereumjs-blockchain@^3.4.0:
     safe-buffer "^5.1.2"
     semaphore "^1.1.0"
 
-ethereumjs-common@^1.1.0:
-  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-common@^1.1.0, ethereumjs-common@^1.3.1:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-common/-/ethereumjs-common-1.4.0.tgz#a940685f88f3c2587e4061630fe720b089c965b8"
+  integrity sha512-ser2SAplX/YI5W2AnzU8wmSjKRy4KQd4uxInJ36BzjS3m18E/B9QedPUIresZN1CSEQb/RgNQ2gN7C/XbpTafA==
 
 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"
@@ -2361,7 +2424,15 @@ 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:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz#e9c51e5549e8ebd757a339cc00f5380507e799c8"
   integrity sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==
@@ -2398,6 +2469,19 @@ ethereumjs-util@^5.0.0, ethereumjs-util@^5.0.1, ethereumjs-util@^5.1.1, ethereum
     safe-buffer "^5.1.1"
     secp256k1 "^3.0.1"
 
+ethereumjs-util@^6.0.0, ethereumjs-util@^6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.2.0.tgz#23ec79b2488a7d041242f01e25f24e5ad0357960"
+  integrity sha512-vb0XN9J2QGdZGIEKG2vXM+kUdEivUfU6Wmi5y0cg+LRhDYKnXIZ/Lz7XjFbHRR9VIKq2lVGLzGBkA++y2nOdOQ==
+  dependencies:
+    "@types/bn.js" "^4.11.3"
+    bn.js "^4.11.0"
+    create-hash "^1.1.2"
+    ethjs-util "0.1.6"
+    keccak "^2.0.0"
+    rlp "^2.2.3"
+    secp256k1 "^3.0.1"
+
 ethereumjs-util@~6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-6.0.0.tgz#f14841c182b918615afefd744207c7932c8536c0"
@@ -2477,15 +2561,14 @@ ethers@4.0.0-beta.3:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
-ethers@^4.0.0:
-  version "4.0.39"
-  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.39.tgz#5ce9dfffedb03936415743f63b37d96280886a47"
-  integrity sha512-QVtC8TTUgTrnlQjQvdFJ7fkSWKwp8HVTbKRmrdbVryrPzJHMTf3WSeRNvLF2enGyAFtyHJyFNnjN0fSshcEr9w==
+ethers@^4.0.0, ethers@^4.0.40:
+  version "4.0.40"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.40.tgz#6e1963d10b5d336a13cd81b519c230cc17624653"
+  integrity sha512-MC9BtV7Hpq4dgFONEfanx9aU9GhhoWU270F+/wegHZXA7FR+2KXFdt36YIQYLmVY5ykUWswDxd+f9EVkIa7JOA==
   dependencies:
-    "@types/node" "^10.3.2"
     aes-js "3.0.0"
     bn.js "^4.4.0"
-    elliptic "6.3.3"
+    elliptic "6.5.2"
     hash.js "1.1.3"
     js-sha3 "0.5.7"
     scrypt-js "2.0.4"
@@ -2509,6 +2592,11 @@ 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"
 
+eventemitter3@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.1.1.tgz#47786bdaa087caf7b1b75e73abc5c7d540158cd0"
+  integrity sha1-R3hr2qCHyvext15zq8XH1UAVjNA=
+
 eventemitter3@3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-3.1.2.tgz#2d3d48f9c346698fce83a85d7d664e98535df6e7"
@@ -2584,9 +2672,9 @@ express@^4.14.0:
     vary "~1.1.2"
 
 ext@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/ext/-/ext-1.1.2.tgz#d1d216c83641bb4cb7684622b063cff44a19ce35"
-  integrity sha512-/KLjJdTNyDepCihrk4HQt57nAE1IRCEo5jUt+WgWGCr1oARhibDvmI2DMcSNWood1T9AUWwq+jaV1wvRqaXfnA==
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/ext/-/ext-1.4.0.tgz#89ae7a07158f79d35517882904324077e4379244"
+  integrity sha512-Key5NIsUxdqKg3vIsdw9dSuXpPCQ297y6wBjL30edxwPgt2E44WcWBZey/ZvUc6sERLTxKdyCu4gZFmUbk1Q7A==
   dependencies:
     type "^2.0.0"
 
@@ -2789,7 +2877,7 @@ flush-write-stream@^1.0.2:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-for-each@^0.3.3, for-each@~0.3.3:
+for-each@~0.3.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.3.tgz#69b447e88a0a5d32c3e7084f3f1710034b21376e"
   integrity sha512-jqYfLp7mo9vIyQf8ykW2v7A+2N4QjeCeI5+Dz9XraiO1ign81wjiH7Fb9vSOWvQfNtmSa4H2RoQTrrXivdUZmw==
@@ -2855,6 +2943,14 @@ fs-extra@^0.30.0:
     path-is-absolute "^1.0.0"
     rimraf "^2.2.8"
 
+fs-extra@^2.0.0, fs-extra@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-2.1.2.tgz#046c70163cef9aad46b0e4a7fa467fb22d71de35"
+  integrity sha1-BGxwFjzvmq1GsOSn+kZ/si1x3jU=
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+
 fs-extra@^4.0.2:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
@@ -2879,6 +2975,16 @@ fs-mkdirp-stream@^1.0.0:
     graceful-fs "^4.1.11"
     through2 "^2.0.3"
 
+fs-promise@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/fs-promise/-/fs-promise-2.0.3.tgz#f64e4f854bcf689aa8bddcba268916db3db46854"
+  integrity sha1-9k5PhUvPaJqovdy6JokW2z20aFQ=
+  dependencies:
+    any-promise "^1.3.0"
+    fs-extra "^2.0.0"
+    mz "^2.6.0"
+    thenify-all "^1.6.0"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -2892,6 +2998,16 @@ fsevents@^1.2.7:
     nan "^2.12.1"
     node-pre-gyp "^0.12.0"
 
+fstream@^1.0.12, fstream@^1.0.8:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.12.tgz#4e8ba8ee2d48be4f7d0de505455548eae5932045"
+  integrity sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==
+  dependencies:
+    graceful-fs "^4.1.2"
+    inherits "~2.0.0"
+    mkdirp ">=0.5 0"
+    rimraf "2"
+
 function-bind@^1.0.2, function-bind@^1.1.1, function-bind@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
@@ -2902,7 +3018,7 @@ 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@*, ganache-core@^2.8.0:
+ganache-core@*:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/ganache-core/-/ganache-core-2.8.0.tgz#eeadc7f7fc3a0c20d99f8f62021fb80b5a05490c"
   integrity sha512-hfXqZGJx700jJqwDHNXrU2BnPYuETn1ekm36oRHuXY3oOuJLFs5C+cFdUFaBlgUxcau1dOgZUUwKqTAy0gTA9Q==
@@ -2935,6 +3051,39 @@ ganache-core@*, ganache-core@^2.8.0:
     ethereumjs-wallet "0.6.3"
     web3 "1.2.1"
 
+ganache-core@2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/ganache-core/-/ganache-core-2.6.1.tgz#b97156cd53d0492477c1229d57f8a97763d30d46"
+  integrity sha512-P3X8yo1GAabYuc8SOnWAFyHL8LhOlNOG6amtItgOEDBTUXMKlkGKP42OxjKovxCAlE7d9CXmYXo1Bu0rffBm9w==
+  dependencies:
+    abstract-leveldown "3.0.0"
+    async "2.6.2"
+    bip39 "2.5.0"
+    cachedown "1.0.0"
+    clone "2.1.2"
+    debug "3.2.6"
+    encoding-down "5.0.4"
+    eth-sig-util "2.2.0"
+    ethereumjs-abi "0.6.7"
+    ethereumjs-account "3.0.0"
+    ethereumjs-block "2.2.0"
+    ethereumjs-tx "1.3.7"
+    ethereumjs-util "6.1.0"
+    ethereumjs-vm "3.0.0"
+    heap "0.2.6"
+    level-sublevel "6.6.4"
+    levelup "3.1.1"
+    lodash "4.17.14"
+    merkle-patricia-tree "2.3.2"
+    seedrandom "3.0.1"
+    source-map-support "0.5.12"
+    tmp "0.1.0"
+    web3-provider-engine "14.2.0"
+    websocket "1.0.29"
+  optionalDependencies:
+    ethereumjs-wallet "0.6.3"
+    web3 "1.0.0-beta.35"
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -3052,9 +3201,9 @@ glob@7.1.3:
     path-is-absolute "^1.0.0"
 
 glob@^7.1.1, glob@^7.1.3, glob@~7.1.4:
-  version "7.1.5"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.5.tgz#6714c69bee20f3c3e64c4dd905553e532b40cdc0"
-  integrity sha512-J9dlskqUXK1OeTOYBEn5s8aMukWMwWfs+rPTn/jn50Ux4MNXVhubL1wu/j2t+H4NVI+cXEcCaYellqaPVGXNqQ==
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
   dependencies:
     fs.realpath "^1.0.0"
     inflight "^1.0.4"
@@ -3103,24 +3252,7 @@ glogg@^1.0.0:
   dependencies:
     sparkles "^1.0.0"
 
-got@9.6.0:
-  version "9.6.0"
-  resolved "https://registry.yarnpkg.com/got/-/got-9.6.0.tgz#edf45e7d67f99545705de1f7bbeeeb121765ed85"
-  integrity sha512-R7eWptXuGYxwijs0eV+v3o6+XH1IqVK8dJOEecQfTmkncw9AV4dcw/Dhxi8MdlqPthxxpZyizMzyg8RTmEsG+Q==
-  dependencies:
-    "@sindresorhus/is" "^0.14.0"
-    "@szmarczak/http-timer" "^1.1.2"
-    cacheable-request "^6.0.0"
-    decompress-response "^3.3.0"
-    duplexer3 "^0.1.4"
-    get-stream "^4.1.0"
-    lowercase-keys "^1.0.1"
-    mimic-response "^1.0.1"
-    p-cancelable "^1.0.0"
-    to-readable-stream "^1.0.0"
-    url-parse-lax "^3.0.0"
-
-got@^7.1.0:
+got@7.1.0, got@^7.1.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz#05450fd84094e6bbea56f451a43a9c289166385a"
   integrity sha512-Y5WMo7xKKq1muPsxD+KmrR8DH5auG7fBdDVueZwETwV6VytKyU9OX/ddpq2/1hp1vIPvVb4T81dKQz3BivkNLw==
@@ -3140,6 +3272,23 @@ got@^7.1.0:
     url-parse-lax "^1.0.0"
     url-to-options "^1.0.1"
 
+got@9.6.0:
+  version "9.6.0"
+  resolved "https://registry.yarnpkg.com/got/-/got-9.6.0.tgz#edf45e7d67f99545705de1f7bbeeeb121765ed85"
+  integrity sha512-R7eWptXuGYxwijs0eV+v3o6+XH1IqVK8dJOEecQfTmkncw9AV4dcw/Dhxi8MdlqPthxxpZyizMzyg8RTmEsG+Q==
+  dependencies:
+    "@sindresorhus/is" "^0.14.0"
+    "@szmarczak/http-timer" "^1.1.2"
+    cacheable-request "^6.0.0"
+    decompress-response "^3.3.0"
+    duplexer3 "^0.1.4"
+    get-stream "^4.1.0"
+    lowercase-keys "^1.0.1"
+    mimic-response "^1.0.1"
+    p-cancelable "^1.0.0"
+    to-readable-stream "^1.0.0"
+    url-parse-lax "^3.0.0"
+
 graceful-fs@^4.0.0, graceful-fs@^4.1.10, graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
@@ -3226,10 +3375,10 @@ has-symbol-support-x@^1.4.1:
   resolved "https://registry.yarnpkg.com/has-symbol-support-x/-/has-symbol-support-x-1.4.2.tgz#1409f98bc00247da45da67cee0a36f282ff26455"
   integrity sha512-3ToOva++HaW+eCpgqZrCfN51IPB+7bJNVT6CUATzueB5Heb8o6Nam0V3HG5dlDvZU1Gn5QLcbahiKw/XVk5JJw==
 
-has-symbols@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
-  integrity sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=
+has-symbols@^1.0.0, has-symbols@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
+  integrity sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==
 
 has-to-string-tag-x@^1.2.0:
   version "1.4.1"
@@ -3433,7 +3582,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3, inherits@~2.0.4:
+inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3, inherits@~2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
@@ -3685,11 +3834,11 @@ is-stream@^1.0.0, is-stream@^1.0.1, is-stream@^1.1.0:
   integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
 
 is-symbol@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.2.tgz#a055f6ae57192caee329e7a860118b497a950f38"
-  integrity sha512-HS8bZ9ox60yCJLH9snBpIwv9pYUAkcuLhSA1oero1UB5y9aiQpRA8y2ex945AOtCZL1lJDeIk3G5LthswI46Lw==
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.3.tgz#38e1014b9e6329be0de9d24a414fd7441ec61937"
+  integrity sha512-OwijhaRSgqvhm/0ZdAcXNZt9lYdKFpcRDT5ULUuYXPoT794UNOdU+gpT6Rzo7b4V2HUl/op6GqY894AZwv9faQ==
   dependencies:
-    has-symbols "^1.0.0"
+    has-symbols "^1.0.1"
 
 is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   version "1.0.0"
@@ -3916,6 +4065,16 @@ keccak@^1.0.2:
     nan "^2.2.1"
     safe-buffer "^5.1.0"
 
+keccak@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/keccak/-/keccak-2.1.0.tgz#734ea53f2edcfd0f42cdb8d5f4c358fef052752b"
+  integrity sha512-m1wbJRTo+gWbctZWay9i26v5fFnYkOn7D5PCxJ3fZUGUEb49dE1Pm4BREUYCt/aoO6di7jeoGmhvqN9Nzylm3Q==
+  dependencies:
+    bindings "^1.5.0"
+    inherits "^2.0.4"
+    nan "^2.14.0"
+    safe-buffer "^5.2.0"
+
 keccakjs@^0.2.0, keccakjs@^0.2.1:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/keccakjs/-/keccakjs-0.2.3.tgz#5e4e969ce39689a3861f445d7752ee3477f9fe72"
@@ -4356,17 +4515,17 @@ miller-rabin@^4.0.0:
     bn.js "^4.0.0"
     brorand "^1.0.1"
 
-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@1.42.0:
+  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"
-  integrity sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==
+  version "2.1.25"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.25.tgz#39772d46621f93e2a80a856c53b86a62156a6437"
+  integrity sha512-5KhStqB5xpTAeGqKBAMgwaYMnQik7teQN4IAzC7npDv6kzeU6prfkR67bc87J1kWMPGkoaZSq1npmexMgkmEVg==
   dependencies:
-    mime-db "1.40.0"
+    mime-db "1.42.0"
 
 mime@1.6.0:
   version "1.6.0"
@@ -4442,7 +4601,7 @@ mkdirp-promise@^5.0.1:
   dependencies:
     mkdirp "*"
 
-mkdirp@*, mkdirp@0.5.1, mkdirp@^0.5.0, mkdirp@^0.5.1:
+mkdirp@*, mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
@@ -4479,9 +4638,14 @@ mocha@^6.2.2:
     yargs-unparser "1.6.0"
 
 mock-fs@^4.1.0:
-  version "4.10.2"
-  resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-4.10.2.tgz#ee11e5a3288b0235fb345efe8b25610f7dd397b8"
-  integrity sha512-ewPQ83O4U8/Gd8I15WoB6vgTTmq5khxBskUWCRvswUqjCfOOTREmxllztQOm+PXMWUxATry+VBWXQJloAyxtbQ==
+  version "4.10.4"
+  resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-4.10.4.tgz#4eaa3d6f7da2f44e1f3dd6b462cbbcb7b082e3d4"
+  integrity sha512-gDfZDLaPIvtOusbusLinfx6YSe2YpQsDT8qdP41P47dQ/NQggtkHukz7hwqgt8QvMBmAv+Z6DGmXPyb5BWX2nQ==
+
+mout@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/mout/-/mout-0.11.1.tgz#ba3611df5f0e5b1ffbfd01166b8f02d1f5fa2b99"
+  integrity sha1-ujYR318OWx/7/QEWa48C0fX6K5k=
 
 ms@2.0.0:
   version "2.0.0"
@@ -4503,12 +4667,21 @@ mute-stdout@^1.0.0:
   resolved "https://registry.yarnpkg.com/mute-stdout/-/mute-stdout-1.0.1.tgz#acb0300eb4de23a7ddeec014e3e96044b3472331"
   integrity sha512-kDcwXR4PS7caBpuRYYBUz9iVixUk3anO3f5OYFiIPwK/20vCzKCHyKoulbiDY1S53zD2bxUpxN/IJ+TnXjfvxg==
 
+mz@^2.6.0:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/mz/-/mz-2.7.0.tgz#95008057a56cafadc2bc63dde7f9ff6955948e32"
+  integrity sha512-z81GNO7nnYMEhrGh9LeymoE4+Yr0Wn5McHIZMK5cfQCl+NDX08sCZgUc9/6MHni9IWuFLm1Z3HTCXu2z9fN62Q==
+  dependencies:
+    any-promise "^1.0.0"
+    object-assign "^4.0.1"
+    thenify-all "^1.0.0"
+
 nan@2.13.2:
   version "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@^2.11.0, nan@^2.12.1, nan@^2.14.0, nan@^2.2.1:
+nan@^2.0.8, nan@^2.11.0, nan@^2.12.1, nan@^2.14.0, nan@^2.2.1, nan@^2.3.3:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
@@ -4634,9 +4807,9 @@ now-and-later@^2.0.0:
     once "^1.3.2"
 
 npm-bundled@^1.0.1:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.6.tgz#e7ba9aadcef962bb61248f91721cd932b3fe6bdd"
-  integrity sha512-8/JCaftHwbd//k6y2rEWp6k1wxVfpFzB6t1p825+cUb7Ym2XQfhwIC5KwhrvzZRJu+LtDE585zVaS32+CGtf0g==
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.1.0.tgz#2e8fdb7e69eff2df963937b696243316537c284b"
+  integrity sha512-ez6dcKBFNo4FvlMqscBEFUum6M2FTLW5grqm3DyBKB5XOyKVCeeWvAuoZtbmW/5Cv8EM2bQUOA6ufxa/TKVN0g==
 
 npm-packlist@^1.1.6:
   version "1.4.6"
@@ -4688,7 +4861,12 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
-object-inspect@^1.6.0, object-inspect@~1.6.0:
+object-inspect@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.7.0.tgz#f4f6bd181ad77f006b5ece60bd0b6f398ff74a67"
+  integrity sha512-a7pEHdh1xKIAgTySUGgLMx/xwDZskN1Ud6egYYN3EdRW4ZMPNEDUTF+hwy2LUC+Bl+SyLXANnwz/jyh/qutKUw==
+
+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==
@@ -4761,6 +4939,13 @@ object.reduce@^1.0.0:
     for-own "^1.0.0"
     make-iterator "^1.0.0"
 
+oboe@2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.3.tgz#2b4865dbd46be81225713f4e9bfe4bcf4f680a4f"
+  integrity sha1-K0hl29Rr6BIlcT9Om/5Lz09oCk8=
+  dependencies:
+    http-https "^1.0.0"
+
 oboe@2.1.4:
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.4.tgz#20c88cdb0c15371bb04119257d4fdd34b0aa49f6"
@@ -4877,12 +5062,9 @@ parse-filepath@^1.0.1:
     path-root "^0.1.1"
 
 parse-headers@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/parse-headers/-/parse-headers-2.0.2.tgz#9545e8a4c1ae5eaea7d24992bca890281ed26e34"
-  integrity sha512-/LypJhzFmyBIDYP9aDVgeyEb5sQfbfY5mnDq4hVhlQ69js87wXfmEI5V3xI6vvXasqebp0oCytYFLxsBVfCzSg==
-  dependencies:
-    for-each "^0.3.3"
-    string.prototype.trim "^1.1.2"
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/parse-headers/-/parse-headers-2.0.3.tgz#5e8e7512383d140ba02f0c7aa9f49b4399c92515"
+  integrity sha512-QhhZ+DCCit2Coi2vmAKbq5RGTRcQUOE2+REgv8vdyu7MnYx2eZztegqtTx99TZ86GTIwqiy3+4nQTWZ2tgmdCA==
 
 parse-json@^2.2.0:
   version "2.2.0"
@@ -5037,10 +5219,10 @@ prepend-http@^2.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
-prettier@^1.18.2:
-  version "1.18.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.18.2.tgz#6823e7c5900017b4bd3acf46fe9ac4b4d7bda9ea"
-  integrity sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==
+prettier@^1.19.1:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
 
 pretty-hrtime@^1.0.0:
   version "1.0.3"
@@ -5089,9 +5271,9 @@ pseudomap@^1.0.1:
   integrity sha1-8FKijacOYYkX7wqKw0wa5aaChrM=
 
 psl@^1.1.24:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/psl/-/psl-1.4.0.tgz#5dd26156cdb69fa1fdb8ab1991667d3f80ced7c2"
-  integrity sha512-HZzqCGPecFLyoRj5HLfuDSKYTJkAfB5thKBIkRHtGjWwY7p1dAyveIbXIq4tO0KYfDF2tHqPUgY9SDnGm00uFw==
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.6.0.tgz#60557582ee23b6c43719d9890fb4170ecd91e110"
+  integrity sha512-SYKKmVel98NCOYXpkwUqZqh0ahZeeKfmisiLIcEZdsb+WbLv02g/dI5BUmZnIyOe7RzZtLax81nnb2HbvC2tzA==
 
 public-encrypt@^4.0.0:
   version "4.0.3"
@@ -5501,9 +5683,9 @@ resolve-url@^0.2.1:
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
 resolve@^1.1.6, resolve@^1.1.7, resolve@^1.10.0, resolve@^1.4.0:
-  version "1.12.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.12.0.tgz#3fc644a35c84a48554609ff26ec52b66fa577df6"
-  integrity sha512-B/dOmuoAik5bKcD6s6nXDCjzUKnaDvdkRyAk6rsmsKLipWj4797iothd7jmmUhWTfinVMU+wc56rYKsit2Qy4w==
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.13.1.tgz#be0aa4c06acd53083505abb35f4d66932ab35d16"
+  integrity sha512-CxqObCX8K8YtAhOBRg+lrcdn+LK+WYOS8tSjqSFbjtrI5PnS63QPhZl4+yKfrU9tdsbMu9Anr/amegT87M9Z6w==
   dependencies:
     path-parse "^1.0.6"
 
@@ -5533,7 +5715,7 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
-rimraf@^2.2.8, rimraf@^2.6.1, rimraf@^2.6.3:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.6.1, rimraf@^2.6.3:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
@@ -5548,13 +5730,12 @@ 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:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.3.tgz#7f94aef86cec412df87d5ea1d8cb116a47d45f0e"
-  integrity sha512-l6YVrI7+d2vpW6D6rS05x2Xrmq8oW7v3pieZOJKBEdjuTF4Kz/iwk55Zyh1Zaz+KOB2kC8+2jZlp2u9L4tTzCQ==
+rlp@^2.0.0, rlp@^2.2.1, rlp@^2.2.3:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.2.4.tgz#d6b0e1659e9285fc509a5d169a9bd06f704951c1"
+  integrity sha512-fdq2yYCWpAQBhwkZv+Z8o/Z4sPmYm1CUq6P7n6lVTOdb949CnqA0sndXal5C1NleSVSZm6q5F3iEbauyVln/iw==
   dependencies:
     bn.js "^4.11.1"
-    safe-buffer "^5.1.1"
 
 rustbn.js@~0.2.0:
   version "0.2.0"
@@ -5566,7 +5747,7 @@ 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:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
@@ -5605,6 +5786,14 @@ scrypt-js@2.0.4:
   resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.4.tgz#32f8c5149f0797672e551c07e230f834b6af5f16"
   integrity sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw==
 
+scrypt.js@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.2.0.tgz#af8d1465b71e9990110bedfc593b9479e03a8ada"
+  integrity sha1-r40UZbcemZARC+38WTuUeeA6ito=
+  dependencies:
+    scrypt "^6.0.2"
+    scryptsy "^1.2.1"
+
 scrypt.js@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/scrypt.js/-/scrypt.js-0.3.0.tgz#6c62d61728ad533c8c376a2e5e3e86d41a95c4c0"
@@ -5770,9 +5959,9 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     safe-buffer "^5.0.1"
 
 sha3@^1.2.2:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/sha3/-/sha3-1.2.3.tgz#ed5958fa8331df1b1b8529ca9fdf225a340c5418"
-  integrity sha512-sOWDZi8cDBRkLfWOw18wvJyNblXDHzwMGnRWut8zNNeIeLnmMRO17bjpLc7OzMuj1ASUgx2IyohzUCAl+Kx5vA==
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/sha3/-/sha3-1.2.6.tgz#102aa3e47dc793e2357902c3cce8760822f9e905"
+  integrity sha512-KgLGmJGrmNB4JWVsAV11Yk6KbvsAiygWJc7t5IebWva/0NukNrjJqhtKhzy3Eiv2AKuGvhZZt7dt1mDo7HkoiQ==
   dependencies:
     nan "2.13.2"
 
@@ -5830,7 +6019,7 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-solc@0.5.13:
+solc@0.5.13, solc@^0.5.10:
   version "0.5.13"
   resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.13.tgz#2a5ba2b7681898c6293759441e0a768fb6955def"
   integrity sha512-osybDVPGjAqcmSKLU3vh5iHuxbhGlJjQI5ZvI7nRDR0fgblQqYte4MGvNjbew8DPvCrmoH0ZBiz/KBBLlPxfMg==
@@ -5844,20 +6033,6 @@ solc@0.5.13:
     semver "^5.5.0"
     tmp "0.0.33"
 
-solc@^0.5.10:
-  version "0.5.12"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.12.tgz#e63047dce04c82ec6f469f6e28febfbde713b808"
-  integrity sha512-OX/AGZT04tuUsagoVXSZBiBZYJReA02hdwZOfRkB03/eeYP9Dl3pr+M+au+1MhssgiuWBlFPN7sRXFiqwkAW2g==
-  dependencies:
-    command-exists "^1.2.8"
-    fs-extra "^0.30.0"
-    js-sha3 "0.8.0"
-    memorystream "^0.3.1"
-    require-from-string "^2.0.0"
-    semver "^5.5.0"
-    tmp "0.0.33"
-    yargs "^13.2.0"
-
 source-map-resolve@^0.5.0:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.2.tgz#72e2cc34095543e43b2c62b2c4c10d4a9054f259"
@@ -6032,15 +6207,6 @@ string-width@^3.0.0, string-width@^3.1.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^5.1.0"
 
-string.prototype.trim@^1.1.2:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.2.0.tgz#75a729b10cfc1be439543dae442129459ce61e3d"
-  integrity sha512-9EIjYD/WdlvLpn987+ctkLf0FfvBefOCuiEr2henD8X+7jfwPnyvTdmW8OJhj5p+M0/96mBdynLWkxUr+rHlpg==
-  dependencies:
-    define-properties "^1.1.3"
-    es-abstract "^1.13.0"
-    function-bind "^1.1.1"
-
 string.prototype.trim@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz#d04de2c89e137f4d7d206f086b5ed2fae6be8cea"
@@ -6152,6 +6318,25 @@ sver-compat@^1.5.0:
     es6-iterator "^2.0.1"
     es6-symbol "^3.1.1"
 
+swarm-js@0.1.37:
+  version "0.1.37"
+  resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.37.tgz#27d485317a340bbeec40292af783cc10acfa4663"
+  integrity sha512-G8gi5fcXP/2upwiuOShJ258sIufBVztekgobr3cVgYXObZwJ5AXLqZn52AI+/ffft29pJexF9WNdUxjlkVehoQ==
+  dependencies:
+    bluebird "^3.5.0"
+    buffer "^5.0.5"
+    decompress "^4.0.0"
+    eth-lib "^0.1.26"
+    fs-extra "^2.1.2"
+    fs-promise "^2.0.0"
+    got "^7.1.0"
+    mime-types "^2.1.16"
+    mkdirp-promise "^5.0.1"
+    mock-fs "^4.1.0"
+    setimmediate "^1.0.5"
+    tar.gz "^1.0.5"
+    xhr-request-promise "^0.1.2"
+
 swarm-js@0.1.39:
   version "0.1.39"
   resolved "https://registry.yarnpkg.com/swarm-js/-/swarm-js-0.1.39.tgz#79becb07f291d4b2a178c50fee7aa6e10342c0e8"
@@ -6202,6 +6387,26 @@ tar-stream@^1.5.2:
     to-buffer "^1.1.1"
     xtend "^4.0.0"
 
+tar.gz@^1.0.5:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/tar.gz/-/tar.gz-1.0.7.tgz#577ef2c595faaa73452ef0415fed41113212257b"
+  integrity sha512-uhGatJvds/3diZrETqMj4RxBR779LKlIE74SsMcn5JProZsfs9j0QBwWO1RW+IWNJxS2x8Zzra1+AW6OQHWphg==
+  dependencies:
+    bluebird "^2.9.34"
+    commander "^2.8.1"
+    fstream "^1.0.8"
+    mout "^0.11.0"
+    tar "^2.1.1"
+
+tar@^2.1.1:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.2.tgz#0ca8848562c7299b8b446ff6a4d60cdbb23edc40"
+  integrity sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==
+  dependencies:
+    block-stream "*"
+    fstream "^1.0.12"
+    inherits "2"
+
 tar@^4, tar@^4.0.2:
   version "4.4.13"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
@@ -6215,6 +6420,20 @@ tar@^4, tar@^4.0.2:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
+thenify-all@^1.0.0, thenify-all@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/thenify-all/-/thenify-all-1.6.0.tgz#1a1918d402d8fc3f98fbf234db0bcc8cc10e9726"
+  integrity sha1-GhkY1ALY/D+Y+/I02wvMjMEOlyY=
+  dependencies:
+    thenify ">= 3.1.0 < 4"
+
+"thenify@>= 3.1.0 < 4":
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/thenify/-/thenify-3.3.0.tgz#e69e38a1babe969b0108207978b9f62b88604839"
+  integrity sha1-5p44obq+lpsBCCB5eLn2K4hgSDk=
+  dependencies:
+    any-promise "^1.0.0"
+
 through2-filter@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/through2-filter/-/through2-filter-3.0.0.tgz#700e786df2367c2c88cd8aa5be4cf9c1e7831254"
@@ -6333,10 +6552,10 @@ trim-right@^1.0.1:
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
   integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
 
-ts-node@^8.4.1:
-  version "8.4.1"
-  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.4.1.tgz#270b0dba16e8723c9fa4f9b4775d3810fd994b4f"
-  integrity sha512-5LpRN+mTiCs7lI5EtbXmF/HfMeCjzt7DH9CZwtkr6SywStrNQC723wG+aOWFiLNn7zT3kD/RnFqi3ZUfr4l5Qw==
+ts-node@^8.5.4:
+  version "8.5.4"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.5.4.tgz#a152add11fa19c221d0b48962c210cf467262ab2"
+  integrity sha512-izbVCRV68EasEPQ8MSIGBNK9dc/4sYJJKYA+IarMQct1RtEot6Xp0bXuClsbUSnKpg50ho+aOAx8en5c+y4OFw==
   dependencies:
     arg "^4.1.0"
     diff "^4.0.1"
@@ -6389,7 +6608,7 @@ type@^2.0.0:
   resolved "https://registry.yarnpkg.com/type/-/type-2.0.0.tgz#5f16ff6ef2eb44f260494dae271033b29c09a9c3"
   integrity sha512-KBt58xCHry4Cejnc2ISQAF7QY+ORngsWfxezO68+12hKV6lQY8P/psIkcbjeHWn7MqcgciWJyCCevFMJdIXpow==
 
-typedarray-to-buffer@^3.1.5:
+typedarray-to-buffer@^3.1.2, typedarray-to-buffer@^3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
   integrity sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==
@@ -6401,10 +6620,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^3.6.4:
-  version "3.6.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.4.tgz#b18752bb3792bc1a0281335f7f6ebf1bbfc5b91d"
-  integrity sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==
+typescript@^3.7.3:
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.3.tgz#b36840668a16458a7025b9eabfad11b66ab85c69"
+  integrity sha512-Mcr/Qk7hXqFBXMN7p7Lusj1ktCBydylfQM/FZCk5glCNQJrCUKPkMHdo9R0MTFWsC/4kPFvDS0fDPvukfCkFsw==
 
 typewise-core@^1.2, typewise-core@^1.2.0:
   version "1.2.0"
@@ -6441,6 +6660,11 @@ unc-path-regex@^0.1.2:
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
   integrity sha1-5z3T17DXxe2G+6xrCufYxqadUPo=
 
+underscore@1.8.3:
+  version "1.8.3"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+  integrity sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=
+
 underscore@1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
@@ -6561,6 +6785,11 @@ use@^3.1.0:
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
   integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
+utf8@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.1.tgz#2e01db02f7d8d0944f77104f1609eb0c304cf768"
+  integrity sha1-LgHbAvfY0JRPdxBPFgnrDDBM92g=
+
 utf8@3.0.0, utf8@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
@@ -6673,6 +6902,15 @@ vinyl@^2.0.0:
     remove-trailing-separator "^1.0.1"
     replace-ext "^1.0.0"
 
+web3-bzz@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.0.0-beta.35.tgz#9d5e1362b3db2afd77d65619b7cd46dd5845c192"
+  integrity sha512-BhAU0qhlr8zltm4gs/+P1gki2VkxHJaM2Rrh4DGesDW0lzwufRoNvWFlwx1bKHoFPWNbSmm9PRkHOYOINL/Tgw==
+  dependencies:
+    got "7.1.0"
+    swarm-js "0.1.37"
+    underscore "1.8.3"
+
 web3-bzz@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.2.1.tgz#c3bd1e8f0c02a13cd6d4e3c3e9e1713f144f6f0d"
@@ -6682,6 +6920,15 @@ web3-bzz@1.2.1:
     swarm-js "0.1.39"
     underscore "1.9.1"
 
+web3-core-helpers@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.35.tgz#d681d218a0c6e3283ee1f99a078ab9d3eef037f1"
+  integrity sha512-APOu3sEsamyqWt//8o4yq9KF25/uqGm+pQShson/sC4gKzmfJB07fLo2ond0X30E8fIqAPeVCotPXQxGciGUmA==
+  dependencies:
+    underscore "1.8.3"
+    web3-eth-iban "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-core-helpers@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.2.1.tgz#f5f32d71c60a4a3bd14786118e633ce7ca6d5d0d"
@@ -6691,6 +6938,17 @@ web3-core-helpers@1.2.1:
     web3-eth-iban "1.2.1"
     web3-utils "1.2.1"
 
+web3-core-method@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.35.tgz#fc10e2d546cf4886038e6130bd5726b0952a4e5f"
+  integrity sha512-jidImCide8q0GpfsO4L73qoHrbkeWgwU3uOH5DKtJtv0ccmG086knNMRgryb/o9ZgetDWLmDEsJnHjBSoIwcbA==
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-promievent "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-core-method@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.2.1.tgz#9df1bafa2cd8be9d9937e01c6a47fc768d15d90a"
@@ -6702,6 +6960,14 @@ web3-core-method@1.2.1:
     web3-core-subscriptions "1.2.1"
     web3-utils "1.2.1"
 
+web3-core-promievent@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.35.tgz#4f1b24737520fa423fee3afee110fbe82bcb8691"
+  integrity sha512-GvqXqKq07OmHuVi5uNRg6k79a1/CI0ViCC+EtNv4CORHtDRmYEt5Bvdv6z6FJEiaaQkD0lKbFwNhLxutx7HItw==
+  dependencies:
+    any-promise "1.3.0"
+    eventemitter3 "1.1.1"
+
 web3-core-promievent@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.2.1.tgz#003e8a3eb82fb27b6164a6d5b9cad04acf733838"
@@ -6710,6 +6976,17 @@ web3-core-promievent@1.2.1:
     any-promise "1.3.0"
     eventemitter3 "3.1.2"
 
+web3-core-requestmanager@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.35.tgz#2b77cbf6303720ad68899b39fa7f584dc03dbc8f"
+  integrity sha512-S+zW2h17ZZQU9oe3yaCJE0E7aJS4C3Kf4kGPDv+nXjW0gKhQQhgVhw1Doq/aYQGqNSWJp7f1VHkz5gQWwg6RRg==
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-providers-http "1.0.0-beta.35"
+    web3-providers-ipc "1.0.0-beta.35"
+    web3-providers-ws "1.0.0-beta.35"
+
 web3-core-requestmanager@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.2.1.tgz#fa2e2206c3d738db38db7c8fe9c107006f5c6e3d"
@@ -6721,6 +6998,15 @@ web3-core-requestmanager@1.2.1:
     web3-providers-ipc "1.2.1"
     web3-providers-ws "1.2.1"
 
+web3-core-subscriptions@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.35.tgz#c1b76a2ad3c6e80f5d40b8ba560f01e0f4628758"
+  integrity sha512-gXzLrWvcGkGiWq1y33Z4Y80XI8XMrwowiQJkrPSjQ81K5PBKquOGwcMffLaKcwdmEy/NpsOXDeFo3eLE1Ghvvw==
+  dependencies:
+    eventemitter3 "1.1.1"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+
 web3-core-subscriptions@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.2.1.tgz#8c2368a839d4eec1c01a4b5650bbeb82d0e4a099"
@@ -6730,6 +7016,16 @@ web3-core-subscriptions@1.2.1:
     underscore "1.9.1"
     web3-core-helpers "1.2.1"
 
+web3-core@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.35.tgz#0c44d3c50d23219b0b1531d145607a9bc7cd4b4f"
+  integrity sha512-ayGavbgVk4KL9Y88Uv411fBJ0SVgVfKhKEBweKYzmP0zOqneMzWt6YsyD1n6kRvjAbqA0AfUPEOKyMNjcx2tjw==
+  dependencies:
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-requestmanager "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-core@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.1.tgz#7278b58fb6495065e73a77efbbce781a7fddf1a9"
@@ -6740,6 +7036,16 @@ web3-core@1.2.1:
     web3-core-requestmanager "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-abi@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.35.tgz#2eb9c1c7c7233db04010defcb192293e0db250e6"
+  integrity sha512-KUDC+EtFFYG8z01ZleKrASdjj327/rtWHzEt6RWsEj7bBa0bGp9nEh+nqdZx/Sdgz1O8tnfFzJlrRcXpfr1vGg==
+  dependencies:
+    bn.js "4.11.6"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-abi@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz#9b915b1c9ebf82f70cca631147035d5419064689"
@@ -6749,6 +7055,22 @@ web3-eth-abi@1.2.1:
     underscore "1.9.1"
     web3-utils "1.2.1"
 
+web3-eth-accounts@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.35.tgz#7d0e5a69f510dc93874471599eb7abfa9ddf3e63"
+  integrity sha512-duIgRsfht/0kAW/eQ0X9lKtVIykbETrnM2H7EnvplCzPHtQLodpib4o9JXfh9n6ZDgdDC7cuJoiVB9QJg089ew==
+  dependencies:
+    any-promise "1.3.0"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.7"
+    scrypt.js "0.2.0"
+    underscore "1.8.3"
+    uuid "2.0.1"
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-accounts@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.2.1.tgz#2741a8ef337a7219d57959ac8bd118b9d68d63cf"
@@ -6766,6 +7088,20 @@ web3-eth-accounts@1.2.1:
     web3-core-method "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-contract@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.35.tgz#5276242d8a3358d9f1ce92b71575c74f9015935c"
+  integrity sha512-foPohOg5O1UCGKGZOIs+kQK5IZdV2QQ7pAWwNxH8WHplUA+fre1MurXNpoxknUmH6mYplFhXjqgYq2MsrBpHrA==
+  dependencies:
+    underscore "1.8.3"
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-promievent "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-eth-abi "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-contract@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.2.1.tgz#3542424f3d341386fd9ff65e78060b85ac0ea8c4"
@@ -6794,6 +7130,14 @@ web3-eth-ens@1.2.1:
     web3-eth-contract "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-iban@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.35.tgz#5aa10327a9abb26bcfc4ba79d7bad18a002b332c"
+  integrity sha512-H5wkcNcAIc+h/WoDIKv7ZYmrM2Xqu3O7jBQl1IWo73EDVQji+AoB2i3J8tuwI1yZRInRwrfpI3Zuwuf54hXHmQ==
+  dependencies:
+    bn.js "4.11.6"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-iban@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.2.1.tgz#2c3801718946bea24e9296993a975c80b5acf880"
@@ -6802,6 +7146,17 @@ web3-eth-iban@1.2.1:
     bn.js "4.11.8"
     web3-utils "1.2.1"
 
+web3-eth-personal@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.35.tgz#ecac95b7a53d04a567447062d5cae5f49879e89f"
+  integrity sha512-AcM9nnlxu7ZRRxPvkrFB9eLxMM4A2cPfj2aCg21Wb2EpMnhR+b/O1cT33k7ApRowoMpM+T9M8vx2oPNwXfaCOQ==
+  dependencies:
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth-personal@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.2.1.tgz#244e9911b7b482dc17c02f23a061a627c6e47faf"
@@ -6813,6 +7168,24 @@ web3-eth-personal@1.2.1:
     web3-net "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.0.0-beta.35.tgz#c52c804afb95e6624b6f5e72a9af90fbf5005b68"
+  integrity sha512-04mcb2nGPXThawuuYICPOxv0xOHofvQKsjZeIq+89nyOC8DQMGTAErDkGyMHQYtjpth5XDhic0wuEsA80AmFZA==
+  dependencies:
+    underscore "1.8.3"
+    web3-core "1.0.0-beta.35"
+    web3-core-helpers "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-eth-abi "1.0.0-beta.35"
+    web3-eth-accounts "1.0.0-beta.35"
+    web3-eth-contract "1.0.0-beta.35"
+    web3-eth-iban "1.0.0-beta.35"
+    web3-eth-personal "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-eth@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.1.tgz#b9989e2557c73a9e8ffdc107c6dafbe72c79c1b0"
@@ -6832,6 +7205,15 @@ web3-eth@1.2.1:
     web3-net "1.2.1"
     web3-utils "1.2.1"
 
+web3-net@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.0.0-beta.35.tgz#5c6688e0dea71fcd910ee9dc5437b94b7f6b3354"
+  integrity sha512-bbwaQ/KohGjIJ6HAKbZ6KrklCAaG6/B7hIbAbVLSFLxF+Yz9lmAgQYaDInpidpC/NLb3WOmcbRF+P77J4qMVIA==
+  dependencies:
+    web3-core "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3-net@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.1.tgz#edd249503315dd5ab4fa00220f6509d95bb7ab10"
@@ -6841,6 +7223,32 @@ web3-net@1.2.1:
     web3-core-method "1.2.1"
     web3-utils "1.2.1"
 
+web3-provider-engine@14.2.0:
+  version "14.2.0"
+  resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-14.2.0.tgz#2efec157b2c429c5c674c079aea96b0a06de8b3d"
+  integrity sha512-sfLH5VhGjJrJJT5WcF8aGehcIKRUQ553q9tjQkkLaKU2AaLsRcwffnnWvrgeTkmKSf0y9dwkDTa48RVp+GUCSg==
+  dependencies:
+    async "^2.5.0"
+    backoff "^2.5.0"
+    clone "^2.0.0"
+    cross-fetch "^2.1.0"
+    eth-block-tracker "^3.0.0"
+    eth-json-rpc-infura "^3.1.0"
+    eth-sig-util "^1.4.2"
+    ethereumjs-block "^1.2.2"
+    ethereumjs-tx "^1.2.0"
+    ethereumjs-util "^5.1.5"
+    ethereumjs-vm "^2.3.4"
+    json-rpc-error "^2.0.0"
+    json-stable-stringify "^1.0.1"
+    promise-to-callback "^1.0.0"
+    readable-stream "^2.2.9"
+    request "^2.85.0"
+    semaphore "^1.0.3"
+    ws "^5.1.1"
+    xhr "^2.2.0"
+    xtend "^4.0.1"
+
 web3-provider-engine@14.2.1:
   version "14.2.1"
   resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-14.2.1.tgz#ef351578797bf170e08d529cb5b02f8751329b95"
@@ -6867,6 +7275,14 @@ web3-provider-engine@14.2.1:
     xhr "^2.2.0"
     xtend "^4.0.1"
 
+web3-providers-http@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.0.0-beta.35.tgz#92059d9d6de6e9f82f4fae30b743efd841afc1e1"
+  integrity sha512-DcIMFq52Fb08UpWyZ3ZlES6NsNqJnco4hBS/Ej6eOcASfuUayPI+GLkYVZsnF3cBYqlH+DOKuArcKSuIxK7jIA==
+  dependencies:
+    web3-core-helpers "1.0.0-beta.35"
+    xhr2-cookies "1.1.0"
+
 web3-providers-http@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.2.1.tgz#c93ea003a42e7b894556f7e19dd3540f947f5013"
@@ -6875,6 +7291,15 @@ web3-providers-http@1.2.1:
     web3-core-helpers "1.2.1"
     xhr2-cookies "1.1.0"
 
+web3-providers-ipc@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.35.tgz#031afeb10fade2ebb0ef2fb82f5e58c04be842d9"
+  integrity sha512-iB0FG0HcpUnayfa8pn4guqEQ4Y1nrroi/jffdtQgFkrNt0sD3fMSwwC0AbmECqj3tDLl0e1slBR0RENll+ZF0g==
+  dependencies:
+    oboe "2.1.3"
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+
 web3-providers-ipc@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz#017bfc687a8fc5398df2241eb98f135e3edd672c"
@@ -6884,6 +7309,15 @@ web3-providers-ipc@1.2.1:
     underscore "1.9.1"
     web3-core-helpers "1.2.1"
 
+web3-providers-ws@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.35.tgz#5d38603fd450243a26aae0ff7f680644e77fa240"
+  integrity sha512-Cx64NgDStynKaUGDIIOfaCd0fZusL8h5avKTkdTjUu2aHhFJhZoVBGVLhoDtUaqZGWIZGcBJOoVf2JkGUOjDRQ==
+  dependencies:
+    underscore "1.8.3"
+    web3-core-helpers "1.0.0-beta.35"
+    websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
+
 web3-providers-ws@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz#2d941eaf3d5a8caa3214eff8dc16d96252b842cb"
@@ -6893,6 +7327,16 @@ web3-providers-ws@1.2.1:
     web3-core-helpers "1.2.1"
     websocket "github:web3-js/WebSocket-Node#polyfill/globalThis"
 
+web3-shh@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.0.0-beta.35.tgz#7e4a585f8beee0c1927390937c6537748a5d1a58"
+  integrity sha512-8qSonk/x0xabERS9Sr6AIADN/Ty+5KwARkkGIfSYHKqFpdMDz+76F7cUCxtoCZoS8K04xgZlDKYe0TJXLYA0Fw==
+  dependencies:
+    web3-core "1.0.0-beta.35"
+    web3-core-method "1.0.0-beta.35"
+    web3-core-subscriptions "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+
 web3-shh@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.1.tgz#4460e3c1e07faf73ddec24ccd00da46f89152b0c"
@@ -6903,6 +7347,19 @@ web3-shh@1.2.1:
     web3-core-subscriptions "1.2.1"
     web3-net "1.2.1"
 
+web3-utils@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.35.tgz#ced9e1df47c65581c441c5f2af76b05a37a273d7"
+  integrity sha512-Dq6f0SOKj3BDFRgOPnE6ALbzBDCKVIW8mKWVf7tGVhTDHf+wQaWwQSC3aArFSqdExB75BPBPyDpuMTNszhljpA==
+  dependencies:
+    bn.js "4.11.6"
+    eth-lib "0.1.27"
+    ethjs-unit "0.1.6"
+    number-to-bn "1.7.0"
+    randomhex "0.1.5"
+    underscore "1.8.3"
+    utf8 "2.1.1"
+
 web3-utils@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.1.tgz#21466e38291551de0ab34558de21512ac4274534"
@@ -6916,6 +7373,19 @@ web3-utils@1.2.1:
     underscore "1.9.1"
     utf8 "3.0.0"
 
+web3@1.0.0-beta.35:
+  version "1.0.0-beta.35"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.0.0-beta.35.tgz#6475095bd451a96e50a32b997ddee82279292f11"
+  integrity sha512-xwDmUhvTcHQvvNnOPcPZZgCxKUsI2e+GbHy7JkTK3/Rmnutazy8x7fsAXT9myw7V1qpi3GgLoZ3fkglSUbg1Mg==
+  dependencies:
+    web3-bzz "1.0.0-beta.35"
+    web3-core "1.0.0-beta.35"
+    web3-eth "1.0.0-beta.35"
+    web3-eth-personal "1.0.0-beta.35"
+    web3-net "1.0.0-beta.35"
+    web3-shh "1.0.0-beta.35"
+    web3-utils "1.0.0-beta.35"
+
 web3@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.2.1.tgz#5d8158bcca47838ab8c2b784a2dee4c3ceb4179b"
@@ -6940,6 +7410,15 @@ websocket@1.0.29:
     typedarray-to-buffer "^3.1.5"
     yaeti "^0.0.6"
 
+"websocket@git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible":
+  version "1.0.26"
+  resolved "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"
+  dependencies:
+    debug "^2.2.0"
+    nan "^2.3.3"
+    typedarray-to-buffer "^3.1.2"
+    yaeti "^0.0.6"
+
 "websocket@github:web3-js/WebSocket-Node#polyfill/globalThis":
   version "1.0.29"
   resolved "https://codeload.github.com/web3-js/WebSocket-Node/tar.gz/905deb4812572b344f5801f8c9ce8bb02799d82e"
@@ -7115,7 +7594,7 @@ yargs-unparser@1.6.0:
     lodash "^4.17.15"
     yargs "^13.3.0"
 
-yargs@13.3.0, yargs@^13.2.0, yargs@^13.3.0:
+yargs@13.3.0, yargs@^13.3.0:
   version "13.3.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.0.tgz#4c657a55e07e5f2cf947f8a366567c04a0dedc83"
   integrity sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==