diff --git a/contracts/UniswapV2.sol b/contracts/UniswapV2.sol
index bc530f6..a6b4ad2 100644
--- a/contracts/UniswapV2.sol
+++ b/contracts/UniswapV2.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 import "./interfaces/IUniswapV2.sol";
 
diff --git a/contracts/UniswapV2Factory.sol b/contracts/UniswapV2Factory.sol
index 0ecf4c1..4d0cd1b 100644
--- a/contracts/UniswapV2Factory.sol
+++ b/contracts/UniswapV2Factory.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 import "./interfaces/IUniswapV2Factory.sol";
 import "./UniswapV2.sol";
diff --git a/contracts/interfaces/IERC20.sol b/contracts/interfaces/IERC20.sol
index 17b2f29..d229b72 100644
--- a/contracts/interfaces/IERC20.sol
+++ b/contracts/interfaces/IERC20.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 interface IERC20 {
     event Transfer(address indexed from, address indexed to, uint value);
diff --git a/contracts/interfaces/IUniswapV2.sol b/contracts/interfaces/IUniswapV2.sol
index cc9725f..c48ef24 100644
--- a/contracts/interfaces/IUniswapV2.sol
+++ b/contracts/interfaces/IUniswapV2.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 interface IUniswapV2 {
     event LiquidityMinted(
diff --git a/contracts/interfaces/IUniswapV2Factory.sol b/contracts/interfaces/IUniswapV2Factory.sol
index c901c36..35f0f67 100644
--- a/contracts/interfaces/IUniswapV2Factory.sol
+++ b/contracts/interfaces/IUniswapV2Factory.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 interface IUniswapV2Factory {
     event ExchangeCreated(address indexed token0, address indexed token1, address exchange, uint256 exchangeNumber);
diff --git a/contracts/libraries/Math.sol b/contracts/libraries/Math.sol
index eb1a846..3c8619a 100644
--- a/contracts/libraries/Math.sol
+++ b/contracts/libraries/Math.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 library Math {
     function add512(uint x0, uint64 x1, uint y0, uint64 y1) internal pure returns (uint z0, uint64 z1) {
diff --git a/contracts/libraries/SafeMath.sol b/contracts/libraries/SafeMath.sol
index 5b59311..ab3d7b3 100644
--- a/contracts/libraries/SafeMath.sol
+++ b/contracts/libraries/SafeMath.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 library SafeMath {
     function add(uint x, uint y) internal pure returns (uint z) {
diff --git a/contracts/libraries/UQ128x128.sol b/contracts/libraries/UQ128x128.sol
index 9a3ea7e..6b2c9cb 100644
--- a/contracts/libraries/UQ128x128.sol
+++ b/contracts/libraries/UQ128x128.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 // helpful links
 // https://en.wikipedia.org/wiki/Q_(number_format)
diff --git a/contracts/token/ERC20.sol b/contracts/token/ERC20.sol
index 10bfd00..7079b81 100644
--- a/contracts/token/ERC20.sol
+++ b/contracts/token/ERC20.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 import "../interfaces/IERC20.sol";
 
diff --git a/contracts/token/SafeTransfer.sol b/contracts/token/SafeTransfer.sol
index 4310b56..e6f4350 100644
--- a/contracts/token/SafeTransfer.sol
+++ b/contracts/token/SafeTransfer.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.12;
+pragma solidity 0.5.13;
 
 contract SafeTransfer {
     function safeTransfer(address token, address to, uint value) internal {
diff --git a/package.json b/package.json
index 391f862..ce936d4 100644
--- a/package.json
+++ b/package.json
@@ -3,13 +3,13 @@
     "node": "^10"
   },
   "dependencies": {
-    "solc": "0.5.12"
+    "solc": "0.5.13"
   },
   "devDependencies": {
     "@types/chai": "^4.2.3",
     "@types/mocha": "^5.2.7",
     "chai": "^4.2.0",
-    "ethereum-waffle": "^2.1.0",
+    "ethereum-waffle": "^2.1.1",
     "ethereumjs-util": "^6.1.0",
     "mocha": "^6.2.2",
     "prettier": "^1.18.2",
diff --git a/yarn.lock b/yarn.lock
index 76426b4..721421d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -39,24 +39,29 @@
     path-browserify "^1.0.0"
     url "^0.11.0"
 
+"@sindresorhus/is@^0.14.0":
+  version "0.14.0"
+  resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
+  integrity sha512-9NET910DNaIPngYnLLPeg+Ogzqsi9uM4mSboU5y6p8S5DzMTVEsJZrawi+BoDNUVBa2DhJqQYUFvMDfgU062LQ==
+
+"@szmarczak/http-timer@^1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@szmarczak/http-timer/-/http-timer-1.1.2.tgz#b1665e2c461a2cd92f4c1bbf50d5454de0d4b421"
+  integrity sha512-XIB2XbzHTN6ieIjfIMV9hlVcfPU26s2vafYWQcZHWXHOxiaRZYEDKEwdl129Zyg50+foYV2jCgtrqSA6qNuNSA==
+  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/ethereum-protocol@*":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@types/ethereum-protocol/-/ethereum-protocol-1.0.0.tgz#416e3827d5fdfa4658b0045b35a008747871b271"
-  integrity sha512-3DiI3Zxf81CgX+VhxNNFJBv/sfr1BFBKQK2sQ85hU9FwWJJMWV5gRDV79OUNShiwj3tYYIezU94qpucsb3dThQ==
+"@types/ganache-core@^2.7.0":
+  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==
   dependencies:
-    bignumber.js "7.2.1"
-
-"@types/ganache-core@^2.1.2":
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/@types/ganache-core/-/ganache-core-2.1.2.tgz#e4db6ce901da03be4d2a66de34e06b1f9b90c5e8"
-  integrity sha512-Pp0YWCsMPTQlQDACZEm+5RTD3NEq00AXCJLQyLMLhuTflwgjdpRKxKen1MhzE71JRmdcSwPwNY0NvxqZJL+hFQ==
-  dependencies:
-    "@types/ethereum-protocol" "*"
+    ganache-core "*"
 
 "@types/mocha@^5.2.7":
   version "5.2.7"
@@ -180,7 +185,7 @@ 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@^1.0.0, any-promise@^1.3.0:
+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=
@@ -985,11 +990,6 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
-bignumber.js@7.2.1:
-  version "7.2.1"
-  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
-  integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
-
 binary-extensions@^1.0.0:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
@@ -1028,18 +1028,6 @@ 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"
@@ -1050,7 +1038,7 @@ bn.js@4.11.6:
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
   integrity sha1-UzRK2xRhehP26N0s4okF0cC6MhU=
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.10.0, bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.4.0, bn.js@^4.8.0:
+bn.js@4.11.8, bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.10.0, bn.js@^4.11.0, bn.js@^4.11.1, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.4.0, bn.js@^4.8.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
   integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
@@ -1280,6 +1268,19 @@ cache-base@^1.0.1:
     union-value "^1.0.0"
     unset-value "^1.0.0"
 
+cacheable-request@^6.0.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/cacheable-request/-/cacheable-request-6.1.0.tgz#20ffb8bd162ba4be11e9567d823db651052ca912"
+  integrity sha512-Oj3cAGPCqOZX7Rz64Uny2GYAZNliQSqfbePrgAQ1wKAihYmCUnraBtJtKcGR4xz7wF+LoJC+ssFZvv5BgF9Igg==
+  dependencies:
+    clone-response "^1.0.2"
+    get-stream "^5.1.0"
+    http-cache-semantics "^4.0.0"
+    keyv "^3.0.0"
+    lowercase-keys "^2.0.0"
+    normalize-url "^4.1.0"
+    responselike "^1.0.2"
+
 cachedown@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/cachedown/-/cachedown-1.0.0.tgz#d43f036e4510696b31246d7db31ebf0f7ac32d15"
@@ -1417,6 +1418,13 @@ clone-buffer@^1.0.0:
   resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
   integrity sha1-4+JbIHrE5wGvch4staFnksrD3Fg=
 
+clone-response@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz#d1dc973920314df67fbeb94223b4ee350239e96b"
+  integrity sha1-0dyXOSAxTfZ/vrlCI7TuNQI56Ws=
+  dependencies:
+    mimic-response "^1.0.0"
+
 clone-stats@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
@@ -1495,10 +1503,10 @@ command-exists@^1.2.8:
   resolved "https://registry.yarnpkg.com/command-exists/-/command-exists-1.2.8.tgz#715acefdd1223b9c9b37110a149c6392c2852291"
   integrity sha512-PM54PkseWbiiD/mMsbvW351/u+dafwTJ0ye2qB60G1aGQP9j3xK2gmMDc+R34L3nDtx4qMCitXT75mkbkGJDLw==
 
-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@~2.8.1:
   version "2.8.1"
@@ -1781,6 +1789,11 @@ default-resolution@^2.0.0:
   resolved "https://registry.yarnpkg.com/default-resolution/-/default-resolution-2.0.0.tgz#bcb82baa72ad79b426a76732f1a81ad6df26d684"
   integrity sha1-vLgrqnKtebQmp2cy8aga1t8m1oQ=
 
+defer-to-connect@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/defer-to-connect/-/defer-to-connect-1.1.1.tgz#88ae694b93f67b81815a2c8c769aef6574ac8f2f"
+  integrity sha512-J7thop4u3mRTkYRQ+Vpfwy2G5Ehoy82I14+14W4YMDLKdWloI9gSzRbV30s/NckQGVJtPkWNcW4oMAUigTdqiQ==
+
 deferred-leveldown@~1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-1.2.2.tgz#3acd2e0b75d1669924bc0a4b642851131173e1eb"
@@ -2120,6 +2133,14 @@ eth-block-tracker@^3.0.0:
     pify "^2.3.0"
     tape "^4.6.3"
 
+eth-ens-namehash@2.0.8:
+  version "2.0.8"
+  resolved "https://registry.yarnpkg.com/eth-ens-namehash/-/eth-ens-namehash-2.0.8.tgz#229ac46eca86d52e0c991e7cb2aef83ff0f68bcf"
+  integrity sha1-IprEbsqG1S4MmR58sq74P/D2i88=
+  dependencies:
+    idna-uts46-hx "^2.3.1"
+    js-sha3 "^0.5.7"
+
 eth-json-rpc-infura@^3.1.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/eth-json-rpc-infura/-/eth-json-rpc-infura-3.2.1.tgz#26702a821067862b72d979c016fd611502c6057f"
@@ -2149,7 +2170,16 @@ eth-json-rpc-middleware@^1.5.0:
     promise-to-callback "^1.0.0"
     tape "^4.6.3"
 
-eth-lib@0.1.27, eth-lib@^0.1.26:
+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 "0.1.27"
   resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.1.27.tgz#f0b0fd144f865d2d6bf8257a40004f2e75ca1dd6"
   integrity sha512-B8czsfkJYzn2UIEMwjc7Mbj+Cy72V+/OXH/tb44LV8jhrjizQJJ325xMOMyk3+ETa6r6oi0jsUY14+om8mQMWA==
@@ -2162,15 +2192,6 @@ eth-lib@0.1.27, 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-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"
@@ -2179,10 +2200,10 @@ 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==
+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"
+  integrity sha512-ugD1AvaggvKaZDgnS19W5qOfepjGc7qHrt7TrAaL54gJw9SHvgIXJ3r2xOMW30RWJZNP+1GlTOy5oye7yXA4xA==
   dependencies:
     buffer "^5.2.1"
     elliptic "^6.4.0"
@@ -2235,16 +2256,17 @@ 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@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/ethereum-waffle/-/ethereum-waffle-2.1.0.tgz#c1ccef575b7e26e43f91cc077189d5840ea47aa6"
-  integrity sha512-toDUD0Nhjfse3Ti7I6gW7gvxitIpDCHHUZFPxErzSry8pss428Xz0eTYPtIk2bOjumTCpjH7UqsLki3b8wNCuA==
+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==
   dependencies:
     "@resolver-engine/imports" "^0.3.3"
     "@resolver-engine/imports-fs" "^0.3.3"
-    "@types/ganache-core" "^2.1.2"
+    "@types/ganache-core" "^2.7.0"
     ethers "^4.0.0"
-    ganache-core "2.6.1"
+    ganache-core "^2.8.0"
+    mkdirp "^0.5.1"
     solc "^0.5.10"
 
 ethereumjs-abi@0.6.5:
@@ -2439,6 +2461,22 @@ ethereumjs-wallet@0.6.3:
     utf8 "^3.0.0"
     uuid "^3.3.2"
 
+ethers@4.0.0-beta.3:
+  version "4.0.0-beta.3"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.0-beta.3.tgz#15bef14e57e94ecbeb7f9b39dd0a4bd435bc9066"
+  integrity sha512-YYPogooSknTwvHg3+Mv71gM/3Wcrx+ZpCzarBj3mqs9njjRkrOo2/eufzhHloOCo3JSoNI4TQJJ6yU5ABm3Uog==
+  dependencies:
+    "@types/node" "^10.3.2"
+    aes-js "3.0.0"
+    bn.js "^4.4.0"
+    elliptic "6.3.3"
+    hash.js "1.1.3"
+    js-sha3 "0.5.7"
+    scrypt-js "2.0.3"
+    setimmediate "1.0.4"
+    uuid "2.0.1"
+    xmlhttprequest "1.8.0"
+
 ethers@^4.0.0:
   version "4.0.39"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.39.tgz#5ce9dfffedb03936415743f63b37d96280886a47"
@@ -2471,10 +2509,10 @@ 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"
+  integrity sha512-tvtQIeLVHjDkJYnzf2dgVMxfuSGJeM/7UCG17TT4EumTfNtF+0nebF/4zWOIkCreAbtNqhGEboB6BWrwqNaw4Q==
 
 events@^3.0.0:
   version "3.0.0"
@@ -2817,13 +2855,14 @@ 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=
+fs-extra@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
+  integrity sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==
   dependencies:
     graceful-fs "^4.1.2"
-    jsonfile "^2.1.0"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
 
 fs-minipass@^1.2.5:
   version "1.2.7"
@@ -2840,16 +2879,6 @@ 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"
@@ -2863,16 +2892,6 @@ 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"
@@ -2883,10 +2902,10 @@ 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@2.6.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/ganache-core/-/ganache-core-2.6.1.tgz#b97156cd53d0492477c1229d57f8a97763d30d46"
-  integrity sha512-P3X8yo1GAabYuc8SOnWAFyHL8LhOlNOG6amtItgOEDBTUXMKlkGKP42OxjKovxCAlE7d9CXmYXo1Bu0rffBm9w==
+ganache-core@*, ganache-core@^2.8.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/ganache-core/-/ganache-core-2.8.0.tgz#eeadc7f7fc3a0c20d99f8f62021fb80b5a05490c"
+  integrity sha512-hfXqZGJx700jJqwDHNXrU2BnPYuETn1ekm36oRHuXY3oOuJLFs5C+cFdUFaBlgUxcau1dOgZUUwKqTAy0gTA9Q==
   dependencies:
     abstract-leveldown "3.0.0"
     async "2.6.2"
@@ -2895,7 +2914,7 @@ ganache-core@2.6.1:
     clone "2.1.2"
     debug "3.2.6"
     encoding-down "5.0.4"
-    eth-sig-util "2.2.0"
+    eth-sig-util "2.3.0"
     ethereumjs-abi "0.6.7"
     ethereumjs-account "3.0.0"
     ethereumjs-block "2.2.0"
@@ -2910,11 +2929,11 @@ ganache-core@2.6.1:
     seedrandom "3.0.1"
     source-map-support "0.5.12"
     tmp "0.1.0"
-    web3-provider-engine "14.2.0"
+    web3-provider-engine "14.2.1"
     websocket "1.0.29"
   optionalDependencies:
     ethereumjs-wallet "0.6.3"
-    web3 "1.0.0-beta.35"
+    web3 "1.2.1"
 
 gauge@~2.7.3:
   version "2.7.4"
@@ -2958,6 +2977,20 @@ get-stream@^3.0.0:
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
   integrity sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=
 
+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==
+  dependencies:
+    pump "^3.0.0"
+
+get-stream@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-5.1.0.tgz#01203cdc92597f9b909067c3e656cc1f4d3c4dc9"
+  integrity sha512-EXr1FOzrzTfGeL0gQdeFEvOMm2mzMOglyiOXSTpPC+iAjAKftbr3jpCMWynogwYnM+eSj9sHGc6wjIcDvYiygw==
+  dependencies:
+    pump "^3.0.0"
+
 get-value@^2.0.3, get-value@^2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/get-value/-/get-value-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
@@ -3070,7 +3103,24 @@ glogg@^1.0.0:
   dependencies:
     sparkles "^1.0.0"
 
-got@7.1.0, got@^7.1.0:
+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:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz#05450fd84094e6bbea56f451a43a9c289166385a"
   integrity sha512-Y5WMo7xKKq1muPsxD+KmrR8DH5auG7fBdDVueZwETwV6VytKyU9OX/ddpq2/1hp1vIPvVb4T81dKQz3BivkNLw==
@@ -3303,6 +3353,11 @@ hosted-git-info@^2.1.4, hosted-git-info@^2.6.0:
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.5.tgz#759cfcf2c4d156ade59b0b2dfabddc42a6b9c70c"
   integrity sha512-kssjab8CvdXfcXMXVcvsXum4Hwdq9XGtRD3TteMEvEbq0LXyiNQr6AprqKqfeaDXze7SxWvRxdpwE6ku7ikLkg==
 
+http-cache-semantics@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-4.0.3.tgz#495704773277eeef6e43f9ab2c2c7d259dda25c5"
+  integrity sha512-TcIMG3qeVLgDr1TEd2XvHaTnMPwYQUQMIBLy+5pLSDKYFc7UIqj39w8EGzZkaxoLv/l2K8HaI0t5AVA+YYgUew==
+
 http-errors@1.7.2:
   version "1.7.2"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
@@ -3346,6 +3401,13 @@ iconv-lite@0.4.24, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+idna-uts46-hx@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/idna-uts46-hx/-/idna-uts46-hx-2.3.1.tgz#a1dc5c4df37eee522bf66d969cc980e00e8711f9"
+  integrity sha512-PWoF9Keq6laYdIRwwCdhTPl60xRqAloYNMQLiyUnG42VjT53oW07BXIRM+NK7eQjzXjAk2gUvX9caRxlnF9TAA==
+  dependencies:
+    punycode "2.1.0"
+
 ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
@@ -3371,7 +3433,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3, inherits@~2.0.4:
+inherits@2, inherits@2.0.4, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, 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==
@@ -3701,7 +3763,7 @@ isurl@^1.0.0-alpha5:
     has-to-string-tag-x "^1.2.0"
     is-object "^1.0.1"
 
-js-sha3@0.5.7:
+js-sha3@0.5.7, js-sha3@^0.5.7:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
   integrity sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=
@@ -3749,6 +3811,11 @@ jsesc@~0.5.0:
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
   integrity sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=
 
+json-buffer@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.0.tgz#5b1f397afc75d677bde8bcfc0e47e1f9a3d9a898"
+  integrity sha1-Wx85evx11ne96Lz8Dkfh+aPZqJg=
+
 json-rpc-engine@^3.4.0, json-rpc-engine@^3.6.0:
   version "3.8.0"
   resolved "https://registry.yarnpkg.com/json-rpc-engine/-/json-rpc-engine-3.8.0.tgz#9d4ff447241792e1d0a232f6ef927302bb0c62a9"
@@ -3812,6 +3879,13 @@ jsonfile@^2.1.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonfile@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
+  integrity sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
@@ -3850,6 +3924,13 @@ keccakjs@^0.2.0, keccakjs@^0.2.1:
     browserify-sha3 "^0.0.4"
     sha3 "^1.2.2"
 
+keyv@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/keyv/-/keyv-3.1.0.tgz#ecc228486f69991e49e9476485a5be1e8fc5c4d9"
+  integrity sha512-9ykJ/46SN/9KPM/sichzQ7OvXyGDYKGTaDlKMGCAlg2UK8KRy4jb0d8sFc+0Tt0YYnThq8X2RZgCg74RPxgcVA==
+  dependencies:
+    json-buffer "3.0.0"
+
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -4106,11 +4187,16 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^3.0.0 || ^4.0.0"
 
-lowercase-keys@^1.0.0:
+lowercase-keys@^1.0.0, lowercase-keys@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
   integrity sha512-G2Lj61tXDnVFFOi8VZds+SoQjtQC3dgokKdDG2mTm1tx4m50NUHBOZSBwQQHyy0V12A0JTG4icfZQH+xPyh8VA==
 
+lowercase-keys@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
+  integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
+
 lru-cache@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-3.2.0.tgz#71789b3b7f5399bec8565dda38aa30d2a097efee"
@@ -4287,7 +4373,7 @@ mime@1.6.0:
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
   integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
 
-mimic-response@^1.0.0:
+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"
   integrity sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==
@@ -4356,7 +4442,7 @@ mkdirp-promise@^5.0.1:
   dependencies:
     mkdirp "*"
 
-mkdirp@*, mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1:
+mkdirp@*, mkdirp@0.5.1, 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=
@@ -4397,11 +4483,6 @@ mock-fs@^4.1.0:
   resolved "https://registry.yarnpkg.com/mock-fs/-/mock-fs-4.10.2.tgz#ee11e5a3288b0235fb345efe8b25610f7dd397b8"
   integrity sha512-ewPQ83O4U8/Gd8I15WoB6vgTTmq5khxBskUWCRvswUqjCfOOTREmxllztQOm+PXMWUxATry+VBWXQJloAyxtbQ==
 
-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"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -4422,21 +4503,12 @@ 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@^2.3.3:
+nan@^2.0.8, nan@^2.11.0, nan@^2.12.1, nan@^2.14.0, nan@^2.2.1:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
@@ -4549,6 +4621,11 @@ normalize-path@^3.0.0:
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
   integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
 
+normalize-url@^4.1.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
+  integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
+
 now-and-later@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/now-and-later/-/now-and-later-2.0.1.tgz#8e579c8685764a7cc02cb680380e94f43ccb1f7c"
@@ -4684,10 +4761,10 @@ 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=
+oboe@2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/oboe/-/oboe-2.1.4.tgz#20c88cdb0c15371bb04119257d4fdd34b0aa49f6"
+  integrity sha1-IMiM2wwVNxuwQRklfU/dNLCqSfY=
   dependencies:
     http-https "^1.0.0"
 
@@ -4742,6 +4819,11 @@ p-cancelable@^0.3.0:
   resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-0.3.0.tgz#b9e123800bcebb7ac13a479be195b507b98d30fa"
   integrity sha512-RVbZPLso8+jFeq1MfNvgXtCRED2raz/dKpacfTNxsx6pLEpEomM7gah6VeHSYV3+vo0OAi4MkArtQcWWXuQoyw==
 
+p-cancelable@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/p-cancelable/-/p-cancelable-1.1.0.tgz#d078d15a3af409220c886f1d9a0ca2e441ab26cc"
+  integrity sha512-s73XxOZ4zpt1edZYZzvhqFa6uvQc1vwUa0K0BdtIZgQMAJj9IbebH+JkgKZc9h+B05PKHLOTl4ajG1BmNrVZlw==
+
 p-finally@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
@@ -4950,6 +5032,11 @@ prepend-http@^1.0.1:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
   integrity sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=
 
+prepend-http@^2.0.0:
+  version "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"
@@ -5074,6 +5161,14 @@ pump@^2.0.0:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
+pump@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-3.0.0.tgz#b4a2116815bde2f4e1ea602354e8c75565107a64"
+  integrity sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
 pumpify@^1.3.5:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.5.1.tgz#36513be246ab27570b1a374a5ce278bfd74370ce"
@@ -5088,6 +5183,11 @@ punycode@1.3.2:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
   integrity sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0=
 
+punycode@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.0.tgz#5f863edc89b96db09074bad7947bf09056ca4e7d"
+  integrity sha1-X4Y+3Im5bbCQdLrXlHvwkFbKTn0=
+
 punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
@@ -5414,6 +5514,13 @@ resolve@~1.11.1:
   dependencies:
     path-parse "^1.0.6"
 
+responselike@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/responselike/-/responselike-1.0.2.tgz#918720ef3b631c5642be068f15ade5a46f4ba1e7"
+  integrity sha1-kYcg7ztjHFZCvgaPFa3lpG9Loec=
+  dependencies:
+    lowercase-keys "^1.0.0"
+
 resumer@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
@@ -5426,7 +5533,7 @@ 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, rimraf@^2.2.8, rimraf@^2.6.1, rimraf@^2.6.3:
+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==
@@ -5488,19 +5595,16 @@ sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
+scrypt-js@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-2.0.3.tgz#bb0040be03043da9a012a2cea9fc9f852cfc87d4"
+  integrity sha1-uwBAvgMEPamgEqLOqfyfhSz8h9Q=
+
 scrypt-js@2.0.4:
   version "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"
@@ -5517,6 +5621,11 @@ scrypt@^6.0.2:
   dependencies:
     nan "^2.0.8"
 
+scryptsy@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-2.1.0.tgz#8d1e8d0c025b58fdd25b6fa9a0dc905ee8faa790"
+  integrity sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==
+
 scryptsy@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-1.2.1.tgz#a3225fa4b2524f802700761e2855bdf3b2d92163"
@@ -5567,6 +5676,11 @@ semver-greatest-satisfied-range@^1.1.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
+semver@6.2.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.2.0.tgz#4d813d9590aaf8a9192693d6c85b9344de5901db"
+  integrity sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==
+
 semver@~5.4.1:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
@@ -5716,7 +5830,21 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-solc@0.5.12, solc@^0.5.10:
+solc@0.5.13:
+  version "0.5.13"
+  resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.13.tgz#2a5ba2b7681898c6293759441e0a768fb6955def"
+  integrity sha512-osybDVPGjAqcmSKLU3vh5iHuxbhGlJjQI5ZvI7nRDR0fgblQqYte4MGvNjbew8DPvCrmoH0ZBiz/KBBLlPxfMg==
+  dependencies:
+    command-exists "^1.2.8"
+    commander "3.0.2"
+    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"
+
+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==
@@ -6024,23 +6152,22 @@ 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==
+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==
   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"
+    fs-extra "^4.0.2"
     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"
+    tar "^4.0.2"
     xhr-request-promise "^0.1.2"
 
 tape@^4.6.3:
@@ -6075,27 +6202,7 @@ 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, tar@^4.0.2:
   version "4.4.13"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
   integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
@@ -6108,20 +6215,6 @@ tar@^4:
     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"
@@ -6192,6 +6285,11 @@ to-object-path@^0.3.0:
   dependencies:
     kind-of "^3.0.2"
 
+to-readable-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/to-readable-stream/-/to-readable-stream-1.0.0.tgz#ce0aa0c2f3df6adf852efb404a783e77c0475771"
+  integrity sha512-Iq25XBt6zD5npPhlLVXGFN3/gyR2/qODcKNNyTMd4vbm39HUaOiAM4PMq0eMVC/Tkxz+Zjdsc55g9yyz+Yq00Q==
+
 to-regex-range@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
@@ -6291,7 +6389,7 @@ 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@^3.1.2, typedarray-to-buffer@^3.1.5:
+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==
@@ -6343,10 +6441,10 @@ 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"
+  integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
 
 undertaker-registry@^1.0.0:
   version "1.0.1"
@@ -6386,6 +6484,11 @@ unique-stream@^2.0.2:
     json-stable-stringify-without-jsonify "^1.0.1"
     through2-filter "^3.0.0"
 
+universalify@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
+  integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
+
 unorm@^1.3.3:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/unorm/-/unorm-1.6.0.tgz#029b289661fba714f1a9af439eb51d9b16c205af"
@@ -6428,6 +6531,13 @@ url-parse-lax@^1.0.0:
   dependencies:
     prepend-http "^1.0.1"
 
+url-parse-lax@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/url-parse-lax/-/url-parse-lax-3.0.0.tgz#16b5cafc07dbe3676c1b1999177823d6503acb0c"
+  integrity sha1-FrXK/Afb42dsGxmZF3gj1lA6yww=
+  dependencies:
+    prepend-http "^2.0.0"
+
 url-set-query@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/url-set-query/-/url-set-query-1.0.0.tgz#016e8cfd7c20ee05cafe7795e892bd0702faa339"
@@ -6451,12 +6561,7 @@ 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, utf8@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
   integrity sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==
@@ -6476,6 +6581,11 @@ uuid@2.0.1:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.1.tgz#c2a30dedb3e535d72ccf82e343941a50ba8533ac"
   integrity sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w=
 
+uuid@3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
+  integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
+
 uuid@^3.3.2:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.3.tgz#4568f0216e78760ee1dbf3a4d2cf53e224112866"
@@ -6563,163 +6673,178 @@ 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==
+web3-bzz@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.2.1.tgz#c3bd1e8f0c02a13cd6d4e3c3e9e1713f144f6f0d"
+  integrity sha512-LdOO44TuYbGIPfL4ilkuS89GQovxUpmLz6C1UC7VYVVRILeZS740FVB3j9V4P4FHUk1RenaDfKhcntqgVCHtjw==
   dependencies:
-    got "7.1.0"
-    swarm-js "0.1.37"
-    underscore "1.8.3"
+    got "9.6.0"
+    swarm-js "0.1.39"
+    underscore "1.9.1"
 
-web3-core-helpers@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.35.tgz#d681d218a0c6e3283ee1f99a078ab9d3eef037f1"
-  integrity sha512-APOu3sEsamyqWt//8o4yq9KF25/uqGm+pQShson/sC4gKzmfJB07fLo2ond0X30E8fIqAPeVCotPXQxGciGUmA==
+web3-core-helpers@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.2.1.tgz#f5f32d71c60a4a3bd14786118e633ce7ca6d5d0d"
+  integrity sha512-Gx3sTEajD5r96bJgfuW377PZVFmXIH4TdqDhgGwd2lZQCcMi+DA4TgxJNJGxn0R3aUVzyyE76j4LBrh412mXrw==
   dependencies:
-    underscore "1.8.3"
-    web3-eth-iban "1.0.0-beta.35"
-    web3-utils "1.0.0-beta.35"
+    underscore "1.9.1"
+    web3-eth-iban "1.2.1"
+    web3-utils "1.2.1"
 
-web3-core-method@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.35.tgz#fc10e2d546cf4886038e6130bd5726b0952a4e5f"
-  integrity sha512-jidImCide8q0GpfsO4L73qoHrbkeWgwU3uOH5DKtJtv0ccmG086knNMRgryb/o9ZgetDWLmDEsJnHjBSoIwcbA==
+web3-core-method@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.2.1.tgz#9df1bafa2cd8be9d9937e01c6a47fc768d15d90a"
+  integrity sha512-Ghg2WS23qi6Xj8Od3VCzaImLHseEA7/usvnOItluiIc5cKs00WYWsNy2YRStzU9a2+z8lwQywPYp0nTzR/QXdQ==
   dependencies:
-    underscore "1.8.3"
-    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"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-utils "1.2.1"
 
-web3-core-promievent@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.35.tgz#4f1b24737520fa423fee3afee110fbe82bcb8691"
-  integrity sha512-GvqXqKq07OmHuVi5uNRg6k79a1/CI0ViCC+EtNv4CORHtDRmYEt5Bvdv6z6FJEiaaQkD0lKbFwNhLxutx7HItw==
+web3-core-promievent@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.2.1.tgz#003e8a3eb82fb27b6164a6d5b9cad04acf733838"
+  integrity sha512-IVUqgpIKoeOYblwpex4Hye6npM0aMR+kU49VP06secPeN0rHMyhGF0ZGveWBrGvf8WDPI7jhqPBFIC6Jf3Q3zw==
   dependencies:
     any-promise "1.3.0"
-    eventemitter3 "1.1.1"
+    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==
+web3-core-requestmanager@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.2.1.tgz#fa2e2206c3d738db38db7c8fe9c107006f5c6e3d"
+  integrity sha512-xfknTC69RfYmLKC+83Jz73IC3/sS2ZLhGtX33D4Q5nQ8yc39ElyAolxr9sJQS8kihOcM6u4J+8gyGMqsLcpIBg==
   dependencies:
-    underscore "1.8.3"
-    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"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+    web3-providers-http "1.2.1"
+    web3-providers-ipc "1.2.1"
+    web3-providers-ws "1.2.1"
 
-web3-core-subscriptions@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.35.tgz#c1b76a2ad3c6e80f5d40b8ba560f01e0f4628758"
-  integrity sha512-gXzLrWvcGkGiWq1y33Z4Y80XI8XMrwowiQJkrPSjQ81K5PBKquOGwcMffLaKcwdmEy/NpsOXDeFo3eLE1Ghvvw==
+web3-core-subscriptions@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.2.1.tgz#8c2368a839d4eec1c01a4b5650bbeb82d0e4a099"
+  integrity sha512-nmOwe3NsB8V8UFsY1r+sW6KjdOS68h8nuh7NzlWxBQT/19QSUGiERRTaZXWu5BYvo1EoZRMxCKyCQpSSXLc08g==
   dependencies:
-    eventemitter3 "1.1.1"
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.35"
+    eventemitter3 "3.1.2"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
 
-web3-core@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.35.tgz#0c44d3c50d23219b0b1531d145607a9bc7cd4b4f"
-  integrity sha512-ayGavbgVk4KL9Y88Uv411fBJ0SVgVfKhKEBweKYzmP0zOqneMzWt6YsyD1n6kRvjAbqA0AfUPEOKyMNjcx2tjw==
+web3-core@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.1.tgz#7278b58fb6495065e73a77efbbce781a7fddf1a9"
+  integrity sha512-5ODwIqgl8oIg/0+Ai4jsLxkKFWJYE0uLuE1yUKHNVCL4zL6n3rFjRMpKPokd6id6nJCNgeA64KdWQ4XfpnjdMg==
   dependencies:
-    web3-core-helpers "1.0.0-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-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-requestmanager "1.2.1"
+    web3-utils "1.2.1"
 
-web3-eth-abi@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.35.tgz#2eb9c1c7c7233db04010defcb192293e0db250e6"
-  integrity sha512-KUDC+EtFFYG8z01ZleKrASdjj327/rtWHzEt6RWsEj7bBa0bGp9nEh+nqdZx/Sdgz1O8tnfFzJlrRcXpfr1vGg==
+web3-eth-abi@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.2.1.tgz#9b915b1c9ebf82f70cca631147035d5419064689"
+  integrity sha512-jI/KhU2a/DQPZXHjo2GW0myEljzfiKOn+h1qxK1+Y9OQfTcBMxrQJyH5AP89O6l6NZ1QvNdq99ThAxBFoy5L+g==
   dependencies:
-    bn.js "4.11.6"
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.35"
-    web3-utils "1.0.0-beta.35"
+    ethers "4.0.0-beta.3"
+    underscore "1.9.1"
+    web3-utils "1.2.1"
 
-web3-eth-accounts@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.35.tgz#7d0e5a69f510dc93874471599eb7abfa9ddf3e63"
-  integrity sha512-duIgRsfht/0kAW/eQ0X9lKtVIykbETrnM2H7EnvplCzPHtQLodpib4o9JXfh9n6ZDgdDC7cuJoiVB9QJg089ew==
+web3-eth-accounts@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.2.1.tgz#2741a8ef337a7219d57959ac8bd118b9d68d63cf"
+  integrity sha512-26I4qq42STQ8IeKUyur3MdQ1NzrzCqPsmzqpux0j6X/XBD7EjZ+Cs0lhGNkSKH5dI3V8CJasnQ5T1mNKeWB7nQ==
   dependencies:
     any-promise "1.3.0"
     crypto-browserify "3.12.0"
     eth-lib "0.2.7"
-    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"
+    scryptsy "2.1.0"
+    semver "6.2.0"
+    underscore "1.9.1"
+    uuid "3.3.2"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-utils "1.2.1"
 
-web3-eth-contract@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.35.tgz#5276242d8a3358d9f1ce92b71575c74f9015935c"
-  integrity sha512-foPohOg5O1UCGKGZOIs+kQK5IZdV2QQ7pAWwNxH8WHplUA+fre1MurXNpoxknUmH6mYplFhXjqgYq2MsrBpHrA==
+web3-eth-contract@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.2.1.tgz#3542424f3d341386fd9ff65e78060b85ac0ea8c4"
+  integrity sha512-kYFESbQ3boC9bl2rYVghj7O8UKMiuKaiMkxvRH5cEDHil8V7MGEGZNH0slSdoyeftZVlaWSMqkRP/chfnKND0g==
   dependencies:
-    underscore "1.8.3"
-    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"
+    underscore "1.9.1"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-utils "1.2.1"
 
-web3-eth-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==
+web3-eth-ens@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.2.1.tgz#a0e52eee68c42a8b9865ceb04e5fb022c2d971d5"
+  integrity sha512-lhP1kFhqZr2nnbu3CGIFFrAnNxk2veXpOXBY48Tub37RtobDyHijHgrj+xTh+mFiPokyrapVjpFsbGa+Xzye4Q==
   dependencies:
-    bn.js "4.11.6"
-    web3-utils "1.0.0-beta.35"
+    eth-ens-namehash "2.0.8"
+    underscore "1.9.1"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-promievent "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-eth-contract "1.2.1"
+    web3-utils "1.2.1"
 
-web3-eth-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==
+web3-eth-iban@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.2.1.tgz#2c3801718946bea24e9296993a975c80b5acf880"
+  integrity sha512-9gkr4QPl1jCU+wkgmZ8EwODVO3ovVj6d6JKMos52ggdT2YCmlfvFVF6wlGLwi0VvNa/p+0BjJzaqxnnG/JewjQ==
   dependencies:
-    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"
+    bn.js "4.11.8"
+    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==
+web3-eth-personal@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.2.1.tgz#244e9911b7b482dc17c02f23a061a627c6e47faf"
+  integrity sha512-RNDVSiaSoY4aIp8+Hc7z+X72H7lMb3fmAChuSBADoEc7DsJrY/d0R5qQDK9g9t2BO8oxgLrLNyBP/9ub2Hc6Bg==
   dependencies:
-    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-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-net "1.2.1"
+    web3-utils "1.2.1"
 
-web3-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==
+web3-eth@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.1.tgz#b9989e2557c73a9e8ffdc107c6dafbe72c79c1b0"
+  integrity sha512-/2xly4Yry5FW1i+uygPjhfvgUP/MS/Dk+PDqmzp5M88tS86A+j8BzKc23GrlA8sgGs0645cpZK/999LpEF5UdA==
   dependencies:
-    web3-core "1.0.0-beta.35"
-    web3-core-method "1.0.0-beta.35"
-    web3-utils "1.0.0-beta.35"
+    underscore "1.9.1"
+    web3-core "1.2.1"
+    web3-core-helpers "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-eth-abi "1.2.1"
+    web3-eth-accounts "1.2.1"
+    web3-eth-contract "1.2.1"
+    web3-eth-ens "1.2.1"
+    web3-eth-iban "1.2.1"
+    web3-eth-personal "1.2.1"
+    web3-net "1.2.1"
+    web3-utils "1.2.1"
 
-web3-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==
+web3-net@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.1.tgz#edd249503315dd5ab4fa00220f6509d95bb7ab10"
+  integrity sha512-Yt1Bs7WgnLESPe0rri/ZoPWzSy55ovioaP35w1KZydrNtQ5Yq4WcrAdhBzcOW7vAkIwrsLQsvA+hrOCy7mNauw==
+  dependencies:
+    web3-core "1.2.1"
+    web3-core-method "1.2.1"
+    web3-utils "1.2.1"
+
+web3-provider-engine@14.2.1:
+  version "14.2.1"
+  resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-14.2.1.tgz#ef351578797bf170e08d529cb5b02f8751329b95"
+  integrity sha512-iSv31h2qXkr9vrL6UZDm4leZMc32SjWJFGOp/D92JXfcEboCqraZyuExDkpxKw8ziTufXieNM7LSXNHzszYdJw==
   dependencies:
     async "^2.5.0"
     backoff "^2.5.0"
@@ -6742,67 +6867,67 @@ web3-provider-engine@14.2.0:
     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==
+web3-providers-http@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.2.1.tgz#c93ea003a42e7b894556f7e19dd3540f947f5013"
+  integrity sha512-BDtVUVolT9b3CAzeGVA/np1hhn7RPUZ6YYGB/sYky+GjeO311Yoq8SRDUSezU92x8yImSC2B+SMReGhd1zL+bQ==
   dependencies:
-    web3-core-helpers "1.0.0-beta.35"
+    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==
+web3-providers-ipc@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz#017bfc687a8fc5398df2241eb98f135e3edd672c"
+  integrity sha512-oPEuOCwxVx8L4CPD0TUdnlOUZwGBSRKScCz/Ws2YHdr9Ium+whm+0NLmOZjkjQp5wovQbyBzNa6zJz1noFRvFA==
   dependencies:
-    oboe "2.1.3"
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.35"
+    oboe "2.1.4"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
 
-web3-providers-ws@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.35.tgz#5d38603fd450243a26aae0ff7f680644e77fa240"
-  integrity sha512-Cx64NgDStynKaUGDIIOfaCd0fZusL8h5avKTkdTjUu2aHhFJhZoVBGVLhoDtUaqZGWIZGcBJOoVf2JkGUOjDRQ==
+web3-providers-ws@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz#2d941eaf3d5a8caa3214eff8dc16d96252b842cb"
+  integrity sha512-oqsQXzu+ejJACVHy864WwIyw+oB21nw/pI65/sD95Zi98+/HQzFfNcIFneF1NC4bVF3VNX4YHTNq2I2o97LAiA==
   dependencies:
-    underscore "1.8.3"
-    web3-core-helpers "1.0.0-beta.35"
-    websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.1"
+    websocket "github:web3-js/WebSocket-Node#polyfill/globalThis"
 
-web3-shh@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.0.0-beta.35.tgz#7e4a585f8beee0c1927390937c6537748a5d1a58"
-  integrity sha512-8qSonk/x0xabERS9Sr6AIADN/Ty+5KwARkkGIfSYHKqFpdMDz+76F7cUCxtoCZoS8K04xgZlDKYe0TJXLYA0Fw==
+web3-shh@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.1.tgz#4460e3c1e07faf73ddec24ccd00da46f89152b0c"
+  integrity sha512-/3Cl04nza5kuFn25bV3FJWa0s3Vafr5BlT933h26xovQ6HIIz61LmvNQlvX1AhFL+SNJOTcQmK1SM59vcyC8bA==
   dependencies:
-    web3-core "1.0.0-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-core "1.2.1"
+    web3-core-method "1.2.1"
+    web3-core-subscriptions "1.2.1"
+    web3-net "1.2.1"
 
-web3-utils@1.0.0-beta.35:
-  version "1.0.0-beta.35"
-  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.35.tgz#ced9e1df47c65581c441c5f2af76b05a37a273d7"
-  integrity sha512-Dq6f0SOKj3BDFRgOPnE6ALbzBDCKVIW8mKWVf7tGVhTDHf+wQaWwQSC3aArFSqdExB75BPBPyDpuMTNszhljpA==
+web3-utils@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.1.tgz#21466e38291551de0ab34558de21512ac4274534"
+  integrity sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==
   dependencies:
-    bn.js "4.11.6"
-    eth-lib "0.1.27"
+    bn.js "4.11.8"
+    eth-lib "0.2.7"
     ethjs-unit "0.1.6"
     number-to-bn "1.7.0"
     randomhex "0.1.5"
-    underscore "1.8.3"
-    utf8 "2.1.1"
+    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==
+web3@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.2.1.tgz#5d8158bcca47838ab8c2b784a2dee4c3ceb4179b"
+  integrity sha512-nNMzeCK0agb5i/oTWNdQ1aGtwYfXzHottFP2Dz0oGIzavPMGSKyVlr8ibVb1yK5sJBjrWVnTdGaOC2zKDFuFRw==
   dependencies:
-    web3-bzz "1.0.0-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-bzz "1.2.1"
+    web3-core "1.2.1"
+    web3-eth "1.2.1"
+    web3-eth-personal "1.2.1"
+    web3-net "1.2.1"
+    web3-shh "1.2.1"
+    web3-utils "1.2.1"
 
 websocket@1.0.29:
   version "1.0.29"
@@ -6815,13 +6940,14 @@ 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"
+"websocket@github:web3-js/WebSocket-Node#polyfill/globalThis":
+  version "1.0.29"
+  resolved "https://codeload.github.com/web3-js/WebSocket-Node/tar.gz/905deb4812572b344f5801f8c9ce8bb02799d82e"
   dependencies:
     debug "^2.2.0"
-    nan "^2.3.3"
-    typedarray-to-buffer "^3.1.2"
+    es5-ext "^0.10.50"
+    nan "^2.14.0"
+    typedarray-to-buffer "^3.1.5"
     yaeti "^0.0.6"
 
 whatwg-fetch@2.0.4: