diff --git a/package.json b/package.json
index df2b78798..c52f62700 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
   },
   "devDependencies": {
     "@nomiclabs/buidler": "^1.2.0",
-    "@nomiclabs/buidler-truffle5": "^1.0.1",
+    "@nomiclabs/buidler-truffle5": "^1.2.0",
     "@nomiclabs/buidler-web3": "^1.2.0",
     "@types/web3": "^1.0.19",
     "codecov": "^3.6.5",
diff --git a/yarn.lock b/yarn.lock
index 00e69e5b2..39ec23396 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -217,12 +217,12 @@
     "@nodelib/fs.scandir" "2.1.3"
     fastq "^1.6.0"
 
-"@nomiclabs/buidler-truffle5@^1.0.1":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-truffle5/-/buidler-truffle5-1.0.1.tgz#6545f52c6441dc8942f66a2f14ef9fdacc899088"
-  integrity sha512-4c36uf62mQz7hrBkKLvLv2+Z7u3VWMoJ7MStm69RMCtUA6iG5kd7Sd+cL3jCHr+eIAMSBGllPmvmAFDp7etFeQ==
+"@nomiclabs/buidler-truffle5@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-truffle5/-/buidler-truffle5-1.2.0.tgz#2a23171426a58d315be7c5166042f3f9998375b7"
+  integrity sha512-1/ZbSt2o+cafe+MUsThrJjUrWCbgiDj4G3Ds+1/PNeuHuB/hmTVNkz3BFT7kje+QYgfNr21tOlxPaBdoe91cZA==
   dependencies:
-    "@nomiclabs/truffle-contract" "^4.0.0"
+    "@nomiclabs/truffle-contract" "^4.1.2"
     "@types/chai" "^4.2.0"
     chai "^4.2.0"
     ethereumjs-util "^6.1.0"
@@ -303,16 +303,17 @@
     safe-buffer "^5.1.1"
     util.promisify "^1.0.0"
 
-"@nomiclabs/truffle-contract@^4.0.0":
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/truffle-contract/-/truffle-contract-4.0.0.tgz#14a1f6c880eaf6b0ff2b8a208419972c6e7b9b4a"
-  integrity sha512-CTehoNcdZO+PAvOcMlVu3XEdVkxugJLdVui46vrmBF+AJuuiLwMbA+unM0AJtVpwhqcNt5Zb4KyMixqlH7VEEQ==
+"@nomiclabs/truffle-contract@^4.1.2":
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/truffle-contract/-/truffle-contract-4.1.2.tgz#669f87482f3dcf81c5bed37e53bffe339d583374"
+  integrity sha512-6tmEmsv5mdH6W+PvJzczNdAD6DMUQNaPPLZdDmGvS5NZVgQl9W0ikf5s+5VPZjGNYv5akreOda6S7q3Hj/D91w==
   dependencies:
-    "@truffle/blockchain-utils" "^0.0.12"
-    "@truffle/contract-schema" "^3.0.16"
-    "@truffle/error" "^0.0.7"
-    "@truffle/interface-adapter" "^0.2.6"
+    "@truffle/blockchain-utils" "^0.0.17"
+    "@truffle/contract-schema" "^3.0.19"
+    "@truffle/error" "^0.0.8"
+    "@truffle/interface-adapter" "^0.4.1"
     bignumber.js "^7.2.1"
+    ethereum-ens "^0.7.7"
     ethers "^4.0.0-beta.1"
     web3 "1.2.1"
     web3-core-promievent "1.2.1"
@@ -615,15 +616,15 @@
   resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.0.0.tgz#9c13c2574c92d4503b005feca8f2e16cc1611506"
   integrity sha512-KYyTT/T6ALPkIRd2Ge080X/BsXvy9O0hcWTtMWkPvwAwF99+vn6Dv4GzrFT/Nn1LePr+FFDbRXXlqmsy9lw2zA==
 
-"@truffle/blockchain-utils@^0.0.12":
-  version "0.0.12"
-  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.12.tgz#ad75c7eb7ef65ee954850470745873de59392309"
-  integrity sha512-Khoc0zxksDL3xEHg4j0qpD7+4xyRdRS1Sa5ghwwBCa23I6ofQUmntEoQasZsXo7g6PDkErrJzxOWxTs8gpHQnA==
+"@truffle/blockchain-utils@^0.0.17":
+  version "0.0.17"
+  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.17.tgz#a1ab0ec9a9c3cbc6ada769f606d6b07f8e515120"
+  integrity sha512-SqvkHCn65QbRFlNpA3M91tqcV8dVMSEfOu3lfXrPozKJyTTtFg/A8WMvMMs79/Q8SJlUuJARjsXwQmo5V3V78A==
 
-"@truffle/contract-schema@^3.0.16":
-  version "3.0.16"
-  resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.0.16.tgz#0de8670b2b0dacba57b43b65911c5376dd00bbdf"
-  integrity sha512-E88YTZNVvnSprvKS8qMx7e5zm3VAgkCAciQrX1VC+h14EbCJxHyg/9iBVm26ySKgghRzV3Ia8Y6ZJQt6o2iSJw==
+"@truffle/contract-schema@^3.0.19":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.1.0.tgz#00c04c427a2ecd74fe4399e1896dda49820959c4"
+  integrity sha512-eCMc1CwAmxIpQDsuGM9rCp4q/6GMcdQLTw3Tzd1qufyuti0vWGQwJbBAgSvfofr9ItXHueGwn7I5lVsIbOVYpQ==
   dependencies:
     ajv "^6.10.0"
     crypto-js "^3.1.9-1"
@@ -639,6 +640,11 @@
   resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.7.tgz#e9db39885575647ef08bf624b0c13fe46d41a209"
   integrity sha512-UIfVKsXSXocKnn5+RNklUXNoGd/JVj7V8KmC48TQzmjU33HQI86PX0JDS7SpHMHasI3w9X//1q7Lu7nZtj3Zzg==
 
+"@truffle/error@^0.0.8":
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.8.tgz#dc94ca36393403449d4b7461bf9452c241e53ec1"
+  integrity sha512-x55rtRuNfRO1azmZ30iR0pf0OJ6flQqbax1hJz+Avk1K5fdmOv5cr22s9qFnwTWnS6Bw0jvJEoR0ITsM7cPKtQ==
+
 "@truffle/hdwallet-provider@^1.0.28":
   version "1.0.30"
   resolved "https://registry.yarnpkg.com/@truffle/hdwallet-provider/-/hdwallet-provider-1.0.30.tgz#55f5f21d9fbc76b3597d25f709e9f00998a91738"
@@ -654,16 +660,6 @@
     web3 "1.2.1"
     web3-provider-engine "https://github.com/trufflesuite/provider-engine#web3-one"
 
-"@truffle/interface-adapter@^0.2.6":
-  version "0.2.7"
-  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.2.7.tgz#43331d29539e09432a70cfb9fb614b8afaa7b290"
-  integrity sha512-GJF0V7VAX+8MQOt/kWGXaQu44QpoKUu4wJpqHxmBMaeVxU9LWB7i7Opa1cR/7rjRnLam2+mCxB5cjoQ9pHD4eQ==
-  dependencies:
-    bn.js "^4.11.8"
-    ethers "^4.0.32"
-    lodash "^4.17.13"
-    web3 "1.2.1"
-
 "@truffle/interface-adapter@^0.3.0":
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.3.3.tgz#61305378cf81776769ef36c60d394e568ac4a2ee"
@@ -674,6 +670,16 @@
     lodash "^4.17.13"
     web3 "1.2.2"
 
+"@truffle/interface-adapter@^0.4.1":
+  version "0.4.6"
+  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.4.6.tgz#d904e2ae6e03712f310eb4da858a1fe07fa27d11"
+  integrity sha512-FZAUb7tx/7VbxpAbo70+K2v22j1O7y4BwhWypRwYpf1YbE2C1OCo/L8zInaW5LfzRd2BEsfb2GjUgbK9VaFrDA==
+  dependencies:
+    bn.js "^4.11.8"
+    ethers "^4.0.32"
+    source-map-support "^0.5.16"
+    web3 "1.2.1"
+
 "@truffle/provider@^0.1.17":
   version "0.1.19"
   resolved "https://registry.yarnpkg.com/@truffle/provider/-/provider-0.1.19.tgz#3e6f15fdd8475ca5d0c846d2b412cc823f1fb767"
@@ -849,6 +855,25 @@
     "@types/bn.js" "*"
     "@types/underscore" "*"
 
+"@web3-js/scrypt-shim@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@web3-js/scrypt-shim/-/scrypt-shim-0.1.0.tgz#0bf7529ab6788311d3e07586f7d89107c3bea2cc"
+  integrity sha512-ZtZeWCc/s0nMcdx/+rZwY1EcuRdemOK9ag21ty9UsHkFxsNb/AaoucUz0iPuyGe0Ku+PFuRmWZG7Z7462p9xPw==
+  dependencies:
+    scryptsy "^2.1.0"
+    semver "^6.3.0"
+
+"@web3-js/websocket@^1.0.29":
+  version "1.0.30"
+  resolved "https://registry.yarnpkg.com/@web3-js/websocket/-/websocket-1.0.30.tgz#9ea15b7b582cf3bf3e8bc1f4d3d54c0731a87f87"
+  integrity sha512-fDwrD47MiDrzcJdSeTLF75aCcxVVt8B1N74rA+vh2XCAvFy4tEWJjtnUtj2QG7/zlQ6g9cQ88bZFBxwd9/FmtA==
+  dependencies:
+    debug "^2.2.0"
+    es5-ext "^0.10.50"
+    nan "^2.14.0"
+    typedarray-to-buffer "^3.1.5"
+    yaeti "^0.0.6"
+
 JSONStream@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.5.tgz#3208c1f08d3a4d99261ab64f92302bc15e111ca0"
@@ -1873,7 +1898,7 @@ bl@^1.0.0:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
-bluebird@^3.4.1, bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
+bluebird@^3.4.1, bluebird@^3.4.7, bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
   version "3.7.2"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
   integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
@@ -3415,7 +3440,7 @@ eth-block-tracker@^3.0.0:
     pify "^2.3.0"
     tape "^4.6.3"
 
-eth-ens-namehash@2.0.8:
+eth-ens-namehash@2.0.8, eth-ens-namehash@^2.0.0:
   version "2.0.8"
   resolved "https://registry.yarnpkg.com/eth-ens-namehash/-/eth-ens-namehash-2.0.8.tgz#229ac46eca86d52e0c991e7cb2aef83ff0f68bcf"
   integrity sha1-IprEbsqG1S4MmR58sq74P/D2i88=
@@ -3474,6 +3499,15 @@ eth-lib@^0.1.26:
     ws "^3.0.0"
     xhr-request-promise "^0.1.2"
 
+eth-lib@^0.2.8:
+  version "0.2.8"
+  resolved "https://registry.yarnpkg.com/eth-lib/-/eth-lib-0.2.8.tgz#b194058bef4b220ad12ea497431d6cb6aa0623c8"
+  integrity sha512-ArJ7x1WcWOlSpzdoTBX8vkwlkSQ85CjjifSZtV4co64vWxSV8geWfPI9x4SVYu3DSxnX4yWFVTtGL+j9DUFLNw==
+  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"
@@ -3545,6 +3579,18 @@ ethereum-common@^0.0.18:
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
   integrity sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=
 
+ethereum-ens@^0.7.7:
+  version "0.7.8"
+  resolved "https://registry.yarnpkg.com/ethereum-ens/-/ethereum-ens-0.7.8.tgz#102874541801507774fef21c9a626fabb1ed0630"
+  integrity sha512-HJBDmF5/abP/IIM6N7rGHmmlQ4yCKIVK4kzT/Mu05+eZn0i5ZlR25LTAE47SVZ7oyTBvOkNJhxhSkWRvjh7srg==
+  dependencies:
+    bluebird "^3.4.7"
+    eth-ens-namehash "^2.0.0"
+    js-sha3 "^0.5.7"
+    pako "^1.0.4"
+    underscore "^1.8.3"
+    web3 "^1.0.0-beta.34"
+
 ethereum-protocol@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ethereum-protocol/-/ethereum-protocol-1.0.1.tgz#b7d68142f4105e0ae7b5e178cf42f8d4dc4b93cf"
@@ -7261,6 +7307,11 @@ pacote@^9.5.8:
     unique-filename "^1.1.1"
     which "^1.3.1"
 
+pako@^1.0.4:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.11.tgz#6c9599d340d54dfd3946380252a35705a6b992bf"
+  integrity sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==
+
 parallel-transform@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.2.0.tgz#9049ca37d6cb2182c3b1d2c720be94d14a5814fc"
@@ -8627,6 +8678,14 @@ source-map-support@^0.5.13, source-map-support@^0.5.6:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
+source-map-support@^0.5.16:
+  version "0.5.16"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.16.tgz#0ae069e7fe3ba7538c64c98515e35339eac5a042"
+  integrity sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -9420,6 +9479,11 @@ underscore@1.9.1:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
   integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
 
+underscore@^1.8.3:
+  version "1.10.2"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.10.2.tgz#73d6aa3668f3188e4adb0f1943bd12cfd7efaaaf"
+  integrity sha512-N4P+Q/BuyuEKFJ43B9gYuOj4TQUHXX+j2FqguVOpjkssLUUrnJofCcBccJSCoeturDoZU6GorDTHSvUDlSQbTg==
+
 underscore@^1.9.1:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.2.tgz#0c8d6f536d6f378a5af264a72f7bec50feb7cf2f"
@@ -9637,6 +9701,16 @@ web3-bzz@1.2.2:
     swarm-js "0.1.39"
     underscore "1.9.1"
 
+web3-bzz@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.2.6.tgz#0b88c0b96029eaf01b10cb47c4d5f79db4668883"
+  integrity sha512-9NiHLlxdI1XeFtbPJAmi2jnnIHVF+GNy517wvOS72P7ZfuJTPwZaSNXfT01vWgPPE9R96/uAHDWHOg+T4WaDQQ==
+  dependencies:
+    "@types/node" "^10.12.18"
+    got "9.6.0"
+    swarm-js "0.1.39"
+    underscore "1.9.1"
+
 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"
@@ -9655,6 +9729,15 @@ web3-core-helpers@1.2.2:
     web3-eth-iban "1.2.2"
     web3-utils "1.2.2"
 
+web3-core-helpers@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.2.6.tgz#7aacd25bf8015adcdfc0f3243d0dcfdff0373f7d"
+  integrity sha512-gYKWmC2HmO7RcDzpo4L1K8EIoy5L8iubNDuTC6q69UxczwqKF/Io0kbK/1Z10Av++NlzOSiuyGp2gc4t4UOsDw==
+  dependencies:
+    underscore "1.9.1"
+    web3-eth-iban "1.2.6"
+    web3-utils "1.2.6"
+
 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"
@@ -9677,6 +9760,17 @@ web3-core-method@1.2.2:
     web3-core-subscriptions "1.2.2"
     web3-utils "1.2.2"
 
+web3-core-method@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.2.6.tgz#f5a3e4d304abaf382923c8ab88ec8eeef45c1b3b"
+  integrity sha512-r2dzyPEonqkBg7Mugq5dknhV5PGaZTHBZlS/C+aMxNyQs3T3eaAsCTqlQDitwNUh/sUcYPEGF0Vo7ahYK4k91g==
+  dependencies:
+    underscore "1.9.1"
+    web3-core-helpers "1.2.6"
+    web3-core-promievent "1.2.6"
+    web3-core-subscriptions "1.2.6"
+    web3-utils "1.2.6"
+
 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"
@@ -9693,6 +9787,14 @@ web3-core-promievent@1.2.2:
     any-promise "1.3.0"
     eventemitter3 "3.1.2"
 
+web3-core-promievent@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.2.6.tgz#b1550a3a4163e48b8b704c1fe4b0084fc2dad8f5"
+  integrity sha512-km72kJef/qtQNiSjDJJVHIZvoVOm6ytW3FCYnOcCs7RIkviAb5JYlPiye0o4pJOLzCXYID7DK7Q9bhY8qWb1lw==
+  dependencies:
+    any-promise "1.3.0"
+    eventemitter3 "3.1.2"
+
 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"
@@ -9715,6 +9817,17 @@ web3-core-requestmanager@1.2.2:
     web3-providers-ipc "1.2.2"
     web3-providers-ws "1.2.2"
 
+web3-core-requestmanager@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.2.6.tgz#5808c0edc0d6e2991a87b65508b3a1ab065b68ec"
+  integrity sha512-QU2cbsj9Dm0r6om40oSwk8Oqbp3wTa08tXuMpSmeOTkGZ3EMHJ1/4LiJ8shwg1AvPMrKVU0Nri6+uBNCdReZ+g==
+  dependencies:
+    underscore "1.9.1"
+    web3-core-helpers "1.2.6"
+    web3-providers-http "1.2.6"
+    web3-providers-ipc "1.2.6"
+    web3-providers-ws "1.2.6"
+
 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"
@@ -9733,6 +9846,15 @@ web3-core-subscriptions@1.2.2:
     underscore "1.9.1"
     web3-core-helpers "1.2.2"
 
+web3-core-subscriptions@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.2.6.tgz#9d44189e2321f8f1abc31f6c09103b5283461b57"
+  integrity sha512-M0PzRrP2Ct13x3wPulFtc5kENH4UtnPxO9YxkfQlX2WRKENWjt4Rfq+BCVGYEk3rTutDfWrjfzjmqMRvXqEY5Q==
+  dependencies:
+    eventemitter3 "3.1.2"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.6"
+
 web3-core@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.1.tgz#7278b58fb6495065e73a77efbbce781a7fddf1a9"
@@ -9755,6 +9877,18 @@ web3-core@1.2.2:
     web3-core-requestmanager "1.2.2"
     web3-utils "1.2.2"
 
+web3-core@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.6.tgz#bb42a1d7ae49a7258460f0d95ddb00906f59ef92"
+  integrity sha512-y/QNBFtr5cIR8vxebnotbjWJpOnO8LDYEAzZjeRRUJh2ijmhjoYk7dSNx9ExgC0UCfNFRoNCa9dGRu/GAxwRlw==
+  dependencies:
+    "@types/bn.js" "^4.11.4"
+    "@types/node" "^12.6.1"
+    web3-core-helpers "1.2.6"
+    web3-core-method "1.2.6"
+    web3-core-requestmanager "1.2.6"
+    web3-utils "1.2.6"
+
 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"
@@ -9773,6 +9907,15 @@ web3-eth-abi@1.2.2:
     underscore "1.9.1"
     web3-utils "1.2.2"
 
+web3-eth-abi@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.2.6.tgz#b495383cc5c0d8e2857b26e7fe25606685983b25"
+  integrity sha512-w9GAyyikn8nSifSDZxAvU9fxtQSX+W2xQWMmrtTXmBGCaE4/ywKOSPAO78gq8AoU4Wq5yqVGKZLLbfpt7/sHlA==
+  dependencies:
+    ethers "4.0.0-beta.3"
+    underscore "1.9.1"
+    web3-utils "1.2.6"
+
 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"
@@ -9808,6 +9951,24 @@ web3-eth-accounts@1.2.2:
     web3-core-method "1.2.2"
     web3-utils "1.2.2"
 
+web3-eth-accounts@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.2.6.tgz#a1ba4bf75fa8102a3ec6cddd0eccd72462262720"
+  integrity sha512-cDVtonHRgzqi/ZHOOf8kfCQWFEipcfQNAMzXIaKZwc0UUD9mgSI5oJrN45a89Ze+E6Lz9m77cDG5Ax9zscSkcw==
+  dependencies:
+    "@web3-js/scrypt-shim" "^0.1.0"
+    any-promise "1.3.0"
+    crypto-browserify "3.12.0"
+    eth-lib "^0.2.8"
+    ethereumjs-common "^1.3.2"
+    ethereumjs-tx "^2.1.1"
+    underscore "1.9.1"
+    uuid "3.3.2"
+    web3-core "1.2.6"
+    web3-core-helpers "1.2.6"
+    web3-core-method "1.2.6"
+    web3-utils "1.2.6"
+
 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"
@@ -9837,6 +9998,21 @@ web3-eth-contract@1.2.2:
     web3-eth-abi "1.2.2"
     web3-utils "1.2.2"
 
+web3-eth-contract@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.2.6.tgz#39111543960035ed94c597a239cf5aa1da796741"
+  integrity sha512-ak4xbHIhWgsbdPCkSN+HnQc1SH4c856y7Ly+S57J/DQVzhFZemK5HvWdpwadJrQTcHET3ZeId1vq3kmW7UYodw==
+  dependencies:
+    "@types/bn.js" "^4.11.4"
+    underscore "1.9.1"
+    web3-core "1.2.6"
+    web3-core-helpers "1.2.6"
+    web3-core-method "1.2.6"
+    web3-core-promievent "1.2.6"
+    web3-core-subscriptions "1.2.6"
+    web3-eth-abi "1.2.6"
+    web3-utils "1.2.6"
+
 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"
@@ -9865,6 +10041,20 @@ web3-eth-ens@1.2.2:
     web3-eth-contract "1.2.2"
     web3-utils "1.2.2"
 
+web3-eth-ens@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.2.6.tgz#bf86a624c4c72bc59913c2345180d3ea947e110d"
+  integrity sha512-8UEqt6fqR/dji/jBGPFAyBs16OJjwi0t2dPWXPyGXmty/fH+osnXwWXE4HRUyj4xuafiM5P1YkXMsPhKEadjiw==
+  dependencies:
+    eth-ens-namehash "2.0.8"
+    underscore "1.9.1"
+    web3-core "1.2.6"
+    web3-core-helpers "1.2.6"
+    web3-core-promievent "1.2.6"
+    web3-eth-abi "1.2.6"
+    web3-eth-contract "1.2.6"
+    web3-utils "1.2.6"
+
 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"
@@ -9881,6 +10071,14 @@ web3-eth-iban@1.2.2:
     bn.js "4.11.8"
     web3-utils "1.2.2"
 
+web3-eth-iban@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.2.6.tgz#0b22191fd1aa6e27f7ef0820df75820bfb4ed46b"
+  integrity sha512-TPMc3BW9Iso7H+9w+ytbqHK9wgOmtocyCD3PaAe5Eie50KQ/j7ThA60dGJnxItVo6yyRv5pZAYxPVob9x/fJlg==
+  dependencies:
+    bn.js "4.11.8"
+    web3-utils "1.2.6"
+
 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"
@@ -9904,6 +10102,18 @@ web3-eth-personal@1.2.2:
     web3-net "1.2.2"
     web3-utils "1.2.2"
 
+web3-eth-personal@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.2.6.tgz#47a0a0657ec04dd77f95451a6869d4751d324b6b"
+  integrity sha512-T2NUkh1plY8d7wePXSoHnaiKOd8dLNFaQfgBl9JHU6S7IJrG9jnYD9bVxLEgRUfHs9gKf9tQpDf7AcPFdq/A8g==
+  dependencies:
+    "@types/node" "^12.6.1"
+    web3-core "1.2.6"
+    web3-core-helpers "1.2.6"
+    web3-core-method "1.2.6"
+    web3-net "1.2.6"
+    web3-utils "1.2.6"
+
 web3-eth@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.1.tgz#b9989e2557c73a9e8ffdc107c6dafbe72c79c1b0"
@@ -9942,6 +10152,25 @@ web3-eth@1.2.2:
     web3-net "1.2.2"
     web3-utils "1.2.2"
 
+web3-eth@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.6.tgz#15a8c65fdde0727872848cae506758d302d8d046"
+  integrity sha512-ROWlDPzh4QX6tlGGGlAK6X4kA2n0/cNj/4kb0nNVWkRouGmYO0R8k6s47YxYHvGiXt0s0++FUUv5vAbWovtUQw==
+  dependencies:
+    underscore "1.9.1"
+    web3-core "1.2.6"
+    web3-core-helpers "1.2.6"
+    web3-core-method "1.2.6"
+    web3-core-subscriptions "1.2.6"
+    web3-eth-abi "1.2.6"
+    web3-eth-accounts "1.2.6"
+    web3-eth-contract "1.2.6"
+    web3-eth-ens "1.2.6"
+    web3-eth-iban "1.2.6"
+    web3-eth-personal "1.2.6"
+    web3-net "1.2.6"
+    web3-utils "1.2.6"
+
 web3-net@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.1.tgz#edd249503315dd5ab4fa00220f6509d95bb7ab10"
@@ -9960,6 +10189,15 @@ web3-net@1.2.2:
     web3-core-method "1.2.2"
     web3-utils "1.2.2"
 
+web3-net@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.6.tgz#035ca0fbe55282fda848ca17ebb4c8966147e5ea"
+  integrity sha512-hsNHAPddrhgjWLmbESW0KxJi2GnthPcow0Sqpnf4oB6+/+ZnQHU9OsIyHb83bnC1OmunrK2vf9Ye2mLPdFIu3A==
+  dependencies:
+    web3-core "1.2.6"
+    web3-core-method "1.2.6"
+    web3-utils "1.2.6"
+
 "web3-provider-engine@https://github.com/trufflesuite/provider-engine#web3-one":
   version "14.0.6"
   resolved "https://github.com/trufflesuite/provider-engine#3538c60bc4836b73ccae1ac3f64c8fed8ef19c1a"
@@ -10001,6 +10239,14 @@ web3-providers-http@1.2.2:
     web3-core-helpers "1.2.2"
     xhr2-cookies "1.1.0"
 
+web3-providers-http@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.2.6.tgz#3c7b1252751fb37e53b873fce9dbb6340f5e31d9"
+  integrity sha512-2+SaFCspb5f82QKuHB3nEPQOF9iSWxRf7c18fHtmnLNVkfG9SwLN1zh67bYn3tZGUdOI3gj8aX4Uhfpwx9Ezpw==
+  dependencies:
+    web3-core-helpers "1.2.6"
+    xhr2-cookies "1.1.0"
+
 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"
@@ -10019,6 +10265,15 @@ web3-providers-ipc@1.2.2:
     underscore "1.9.1"
     web3-core-helpers "1.2.2"
 
+web3-providers-ipc@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.2.6.tgz#adabab5ac66b3ff8a26c7dc97af3f1a6a7609701"
+  integrity sha512-b0Es+/GTZyk5FG3SgUDW+2/mBwJAXWt5LuppODptiOas8bB2khLjG6+Gm1K4uwOb+1NJGPt5mZZ8Wi7vibtQ+A==
+  dependencies:
+    oboe "2.1.4"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.6"
+
 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"
@@ -10037,6 +10292,15 @@ web3-providers-ws@1.2.2:
     web3-core-helpers "1.2.2"
     websocket "github:web3-js/WebSocket-Node#polyfill/globalThis"
 
+web3-providers-ws@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.2.6.tgz#3cecc49f7c99f07a75076d3c54247050bc4f7e11"
+  integrity sha512-20waSYX+gb5M5yKhug5FIwxBBvkKzlJH7sK6XEgdOx6BZ9YYamLmvg9wcRVtnSZO8hV/3cWenO/tRtTrHVvIgQ==
+  dependencies:
+    "@web3-js/websocket" "^1.0.29"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.6"
+
 web3-shh@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.1.tgz#4460e3c1e07faf73ddec24ccd00da46f89152b0c"
@@ -10057,6 +10321,16 @@ web3-shh@1.2.2:
     web3-core-subscriptions "1.2.2"
     web3-net "1.2.2"
 
+web3-shh@1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.6.tgz#2492616da4cac32d4c7534b890f43bac63190c14"
+  integrity sha512-rouWyOOM6YMbLQd65grpj8BBezQfgNeRRX+cGyW4xsn6Xgu+B73Zvr6OtA/ftJwwa9bqHGpnLrrLMeWyy4YLUw==
+  dependencies:
+    web3-core "1.2.6"
+    web3-core-method "1.2.6"
+    web3-core-subscriptions "1.2.6"
+    web3-net "1.2.6"
+
 web3-utils@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.1.tgz#21466e38291551de0ab34558de21512ac4274534"
@@ -10084,7 +10358,7 @@ web3-utils@1.2.2:
     underscore "1.9.1"
     utf8 "3.0.0"
 
-web3-utils@^1.0.0:
+web3-utils@1.2.6, web3-utils@^1.0.0:
   version "1.2.6"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.6.tgz#b9a25432da00976457fcc1094c4af8ac6d486db9"
   integrity sha512-8/HnqG/l7dGmKMgEL9JeKPTtjScxOePTzopv5aaKFExPfaBrYRkgoMqhoowCiAl/s16QaTn4DoIF1QC4YsT7Mg==
@@ -10125,6 +10399,20 @@ web3@1.2.2:
     web3-shh "1.2.2"
     web3-utils "1.2.2"
 
+web3@^1.0.0-beta.34:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.2.6.tgz#c497dcb14cdd8d6d9fb6b445b3b68ff83f8ccf68"
+  integrity sha512-tpu9fLIComgxGrFsD8LUtA4s4aCZk7px8UfcdEy6kS2uDi/ZfR07KJqpXZMij7Jvlq+cQrTAhsPSiBVvoMaivA==
+  dependencies:
+    "@types/node" "^12.6.1"
+    web3-bzz "1.2.6"
+    web3-core "1.2.6"
+    web3-eth "1.2.6"
+    web3-eth-personal "1.2.6"
+    web3-net "1.2.6"
+    web3-shh "1.2.6"
+    web3-utils "1.2.6"
+
 websocket-driver@>=0.5.1:
   version "0.7.3"
   resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.7.3.tgz#a2d4e0d4f4f116f1e6297eba58b05d430100e9f9"