diff --git a/backend/package.json b/backend/package.json
index 003aea9..4b826b6 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,7 +14,7 @@
     "typechain:build": "yarn run typechain --target ethers-v5 --out-dir typechain abi/*.json abi/**/*.json"
   },
   "dependencies": {
-    "ethers": "5.5.4",
+    "ethers": "6.0.0",
     "jsonwebtoken": "^8.5.1",
     "node-fetch": "2.6.7",
     "typechain": "^7.0.0"
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 7a759ea..9176df7 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -2,6 +2,11 @@
 # yarn lockfile v1
 
 
+"@adraffy/ens-normalize@1.8.9":
+  version "1.8.9"
+  resolved "https://registry.yarnpkg.com/@adraffy/ens-normalize/-/ens-normalize-1.8.9.tgz#67b3acadebbb551669c9a1da15fac951db795b85"
+  integrity sha512-93OmGCV0vO8+JQ3FHG+gZk/MPHzzMPDRiCiFcCQNTCnHaaxsacO3ScTPGlu2wX2dOtgfalbchPcw1cOYYjHCYQ==
+
 "@babel/code-frame@7.12.11":
   version "7.12.11"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.12.11.tgz#f4ad435aa263db935b8f10f2c552d23fb716a63f"
@@ -52,21 +57,6 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
-"@ethersproject/abi@5.5.0", "@ethersproject/abi@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.5.0.tgz#fb52820e22e50b854ff15ce1647cc508d6660613"
-  integrity sha512-loW7I4AohP5KycATvc0MgujU6JyCHPqHdeoo9z3Nr9xEiNioxa65ccdm1+fsoJhkuhdRtfcL8cfyGamz2AxZ5w==
-  dependencies:
-    "@ethersproject/address" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/constants" "^5.5.0"
-    "@ethersproject/hash" "^5.5.0"
-    "@ethersproject/keccak256" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-
 "@ethersproject/abi@^5.0.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/abi/-/abi-5.6.0.tgz#ea07cbc1eec2374d32485679c12408005895e9f3"
@@ -82,19 +72,6 @@
     "@ethersproject/properties" "^5.6.0"
     "@ethersproject/strings" "^5.6.0"
 
-"@ethersproject/abstract-provider@5.5.1", "@ethersproject/abstract-provider@^5.5.0":
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.5.1.tgz#2f1f6e8a3ab7d378d8ad0b5718460f85649710c5"
-  integrity sha512-m+MA/ful6eKbxpr99xUYeRvLkfnlqzrF8SZ46d/xFB1A7ZVknYc/sXJG0RcufF52Qn2jeFj1hhcoQ7IXjNKUqg==
-  dependencies:
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/networks" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/transactions" "^5.5.0"
-    "@ethersproject/web" "^5.5.0"
-
 "@ethersproject/abstract-provider@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/abstract-provider/-/abstract-provider-5.6.0.tgz#0c4ac7054650dbd9c476cf5907f588bbb6ef3061"
@@ -108,17 +85,6 @@
     "@ethersproject/transactions" "^5.6.0"
     "@ethersproject/web" "^5.6.0"
 
-"@ethersproject/abstract-signer@5.5.0", "@ethersproject/abstract-signer@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.5.0.tgz#590ff6693370c60ae376bf1c7ada59eb2a8dd08d"
-  integrity sha512-lj//7r250MXVLKI7sVarXAbZXbv9P50lgmJQGr2/is82EwEb8r7HrxsmMqAjTsztMYy7ohrIhGMIml+Gx4D3mA==
-  dependencies:
-    "@ethersproject/abstract-provider" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-
 "@ethersproject/abstract-signer@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/abstract-signer/-/abstract-signer-5.6.0.tgz#9cd7ae9211c2b123a3b29bf47aab17d4d016e3e7"
@@ -130,17 +96,6 @@
     "@ethersproject/logger" "^5.6.0"
     "@ethersproject/properties" "^5.6.0"
 
-"@ethersproject/address@5.5.0", "@ethersproject/address@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.5.0.tgz#bcc6f576a553f21f3dd7ba17248f81b473c9c78f"
-  integrity sha512-l4Nj0eWlTUh6ro5IbPTgbpT4wRbdH5l8CQf7icF7sb/SI3Nhd9Y9HzhonTSTi6CefI0necIw7LJqQPopPLZyWw==
-  dependencies:
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/keccak256" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/rlp" "^5.5.0"
-
 "@ethersproject/address@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/address/-/address-5.6.0.tgz#13c49836d73e7885fc148ad633afad729da25012"
@@ -152,13 +107,6 @@
     "@ethersproject/logger" "^5.6.0"
     "@ethersproject/rlp" "^5.6.0"
 
-"@ethersproject/base64@5.5.0", "@ethersproject/base64@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.5.0.tgz#881e8544e47ed976930836986e5eb8fab259c090"
-  integrity sha512-tdayUKhU1ljrlHzEWbStXazDpsx4eg1dBXUSI6+mHlYklOXoXF6lZvw8tnD6oVaWfnMxAgRSKROg3cVKtCcppA==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-
 "@ethersproject/base64@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/base64/-/base64-5.6.0.tgz#a12c4da2a6fb86d88563216b0282308fc15907c9"
@@ -166,14 +114,6 @@
   dependencies:
     "@ethersproject/bytes" "^5.6.0"
 
-"@ethersproject/basex@5.5.0", "@ethersproject/basex@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/basex/-/basex-5.5.0.tgz#e40a53ae6d6b09ab4d977bd037010d4bed21b4d3"
-  integrity sha512-ZIodwhHpVJ0Y3hUCfUucmxKsWQA5TMnavp5j/UOuDdzZWzJlRmuOjcTMIGgHCYuZmHt36BfiSyQPSRskPxbfaQ==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-
 "@ethersproject/basex@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/basex/-/basex-5.6.0.tgz#9ea7209bf0a1c3ddc2a90f180c3a7f0d7d2e8a69"
@@ -182,15 +122,6 @@
     "@ethersproject/bytes" "^5.6.0"
     "@ethersproject/properties" "^5.6.0"
 
-"@ethersproject/bignumber@5.5.0", "@ethersproject/bignumber@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.5.0.tgz#875b143f04a216f4f8b96245bde942d42d279527"
-  integrity sha512-6Xytlwvy6Rn3U3gKEc1vP7nR92frHkv6wtVr95LFR3jREXiCPzdWxKQ1cx4JGQBXxcguAwjA8murlYN2TSiEbg==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    bn.js "^4.11.9"
-
 "@ethersproject/bignumber@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/bignumber/-/bignumber-5.6.0.tgz#116c81b075c57fa765a8f3822648cf718a8a0e26"
@@ -200,13 +131,6 @@
     "@ethersproject/logger" "^5.6.0"
     bn.js "^4.11.9"
 
-"@ethersproject/bytes@5.5.0", "@ethersproject/bytes@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.5.0.tgz#cb11c526de657e7b45d2e0f0246fb3b9d29a601c"
-  integrity sha512-ABvc7BHWhZU9PNM/tANm/Qx4ostPGadAuQzWTr3doklZOhDlmcBqclrQe/ZXUIj3K8wC28oYeuRa+A37tX9kog==
-  dependencies:
-    "@ethersproject/logger" "^5.5.0"
-
 "@ethersproject/bytes@^5.0.0", "@ethersproject/bytes@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/bytes/-/bytes-5.6.0.tgz#81652f2a0e04533575befadce555213c11d8aa20"
@@ -214,13 +138,6 @@
   dependencies:
     "@ethersproject/logger" "^5.6.0"
 
-"@ethersproject/constants@5.5.0", "@ethersproject/constants@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.5.0.tgz#d2a2cd7d94bd1d58377d1d66c4f53c9be4d0a45e"
-  integrity sha512-2MsRRVChkvMWR+GyMGY4N1sAX9Mt3J9KykCsgUFd/1mwS0UH1qw+Bv9k1UJb3X3YJYFco9H20pjSlOIfCG5HYQ==
-  dependencies:
-    "@ethersproject/bignumber" "^5.5.0"
-
 "@ethersproject/constants@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/constants/-/constants-5.6.0.tgz#55e3eb0918584d3acc0688e9958b0cedef297088"
@@ -228,36 +145,6 @@
   dependencies:
     "@ethersproject/bignumber" "^5.6.0"
 
-"@ethersproject/contracts@5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/contracts/-/contracts-5.5.0.tgz#b735260d4bd61283a670a82d5275e2a38892c197"
-  integrity sha512-2viY7NzyvJkh+Ug17v7g3/IJC8HqZBDcOjYARZLdzRxrfGlRgmYgl6xPRKVbEzy1dWKw/iv7chDcS83pg6cLxg==
-  dependencies:
-    "@ethersproject/abi" "^5.5.0"
-    "@ethersproject/abstract-provider" "^5.5.0"
-    "@ethersproject/abstract-signer" "^5.5.0"
-    "@ethersproject/address" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/constants" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/transactions" "^5.5.0"
-
-"@ethersproject/hash@5.5.0", "@ethersproject/hash@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.5.0.tgz#7cee76d08f88d1873574c849e0207dcb32380cc9"
-  integrity sha512-dnGVpK1WtBjmnp3mUT0PlU2MpapnwWI0PibldQEq1408tQBAbZpPidkWoVVuNMOl/lISO3+4hXZWCL3YV7qzfg==
-  dependencies:
-    "@ethersproject/abstract-signer" "^5.5.0"
-    "@ethersproject/address" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/keccak256" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-
 "@ethersproject/hash@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/hash/-/hash-5.6.0.tgz#d24446a5263e02492f9808baa99b6e2b4c3429a2"
@@ -272,51 +159,6 @@
     "@ethersproject/properties" "^5.6.0"
     "@ethersproject/strings" "^5.6.0"
 
-"@ethersproject/hdnode@5.5.0", "@ethersproject/hdnode@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/hdnode/-/hdnode-5.5.0.tgz#4a04e28f41c546f7c978528ea1575206a200ddf6"
-  integrity sha512-mcSOo9zeUg1L0CoJH7zmxwUG5ggQHU1UrRf8jyTYy6HxdZV+r0PBoL1bxr+JHIPXRzS6u/UW4mEn43y0tmyF8Q==
-  dependencies:
-    "@ethersproject/abstract-signer" "^5.5.0"
-    "@ethersproject/basex" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/pbkdf2" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/sha2" "^5.5.0"
-    "@ethersproject/signing-key" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-    "@ethersproject/transactions" "^5.5.0"
-    "@ethersproject/wordlists" "^5.5.0"
-
-"@ethersproject/json-wallets@5.5.0", "@ethersproject/json-wallets@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/json-wallets/-/json-wallets-5.5.0.tgz#dd522d4297e15bccc8e1427d247ec8376b60e325"
-  integrity sha512-9lA21XQnCdcS72xlBn1jfQdj2A1VUxZzOzi9UkNdnokNKke/9Ya2xA9aIK1SC3PQyBDLt4C+dfps7ULpkvKikQ==
-  dependencies:
-    "@ethersproject/abstract-signer" "^5.5.0"
-    "@ethersproject/address" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/hdnode" "^5.5.0"
-    "@ethersproject/keccak256" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/pbkdf2" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/random" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-    "@ethersproject/transactions" "^5.5.0"
-    aes-js "3.0.0"
-    scrypt-js "3.0.1"
-
-"@ethersproject/keccak256@5.5.0", "@ethersproject/keccak256@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.5.0.tgz#e4b1f9d7701da87c564ffe336f86dcee82983492"
-  integrity sha512-5VoFCTjo2rYbBe1l2f4mccaRFN/4VQEYFwwn04aJV2h7qf4ZvI2wFxUE1XOX+snbwCLRzIeikOqtAoPwMza9kg==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    js-sha3 "0.8.0"
-
 "@ethersproject/keccak256@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/keccak256/-/keccak256-5.6.0.tgz#fea4bb47dbf8f131c2e1774a1cecbfeb9d606459"
@@ -325,23 +167,11 @@
     "@ethersproject/bytes" "^5.6.0"
     js-sha3 "0.8.0"
 
-"@ethersproject/logger@5.5.0", "@ethersproject/logger@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.5.0.tgz#0c2caebeff98e10aefa5aef27d7441c7fd18cf5d"
-  integrity sha512-rIY/6WPm7T8n3qS2vuHTUBPdXHl+rGxWxW5okDfo9J4Z0+gRRZT0msvUdIJkE4/HS29GUMziwGaaKO2bWONBrg==
-
 "@ethersproject/logger@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/logger/-/logger-5.6.0.tgz#d7db1bfcc22fd2e4ab574cba0bb6ad779a9a3e7a"
   integrity sha512-BiBWllUROH9w+P21RzoxJKzqoqpkyM1pRnEKG69bulE9TSQD8SAIvTQqIMZmmCO8pUNkgLP1wndX1gKghSpBmg==
 
-"@ethersproject/networks@5.5.2", "@ethersproject/networks@^5.5.0":
-  version "5.5.2"
-  resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.5.2.tgz#784c8b1283cd2a931114ab428dae1bd00c07630b"
-  integrity sha512-NEqPxbGBfy6O3x4ZTISb90SjEDkWYDUbEeIFhJly0F7sZjoQMnj5KYzMSkMkLKZ+1fGpx00EDpHQCy6PrDupkQ==
-  dependencies:
-    "@ethersproject/logger" "^5.5.0"
-
 "@ethersproject/networks@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/networks/-/networks-5.6.0.tgz#486d03fff29b4b6b5414d47a232ded09fe10de5e"
@@ -349,21 +179,6 @@
   dependencies:
     "@ethersproject/logger" "^5.6.0"
 
-"@ethersproject/pbkdf2@5.5.0", "@ethersproject/pbkdf2@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/pbkdf2/-/pbkdf2-5.5.0.tgz#e25032cdf02f31505d47afbf9c3e000d95c4a050"
-  integrity sha512-SaDvQFvXPnz1QGpzr6/HToLifftSXGoXrbpZ6BvoZhmx4bNLHrxDe8MZisuecyOziP1aVEwzC2Hasj+86TgWVg==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/sha2" "^5.5.0"
-
-"@ethersproject/properties@5.5.0", "@ethersproject/properties@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.5.0.tgz#61f00f2bb83376d2071baab02245f92070c59995"
-  integrity sha512-l3zRQg3JkD8EL3CPjNK5g7kMx4qSwiR60/uk5IVjd3oq1MZR5qUg40CNOoEJoX5wc3DyY5bt9EbMk86C7x0DNA==
-  dependencies:
-    "@ethersproject/logger" "^5.5.0"
-
 "@ethersproject/properties@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/properties/-/properties-5.6.0.tgz#38904651713bc6bdd5bdd1b0a4287ecda920fa04"
@@ -371,31 +186,6 @@
   dependencies:
     "@ethersproject/logger" "^5.6.0"
 
-"@ethersproject/providers@5.5.3":
-  version "5.5.3"
-  resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.5.3.tgz#56c2b070542ac44eb5de2ed3cf6784acd60a3130"
-  integrity sha512-ZHXxXXXWHuwCQKrgdpIkbzMNJMvs+9YWemanwp1fA7XZEv7QlilseysPvQe0D7Q7DlkJX/w/bGA1MdgK2TbGvA==
-  dependencies:
-    "@ethersproject/abstract-provider" "^5.5.0"
-    "@ethersproject/abstract-signer" "^5.5.0"
-    "@ethersproject/address" "^5.5.0"
-    "@ethersproject/basex" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/constants" "^5.5.0"
-    "@ethersproject/hash" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/networks" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/random" "^5.5.0"
-    "@ethersproject/rlp" "^5.5.0"
-    "@ethersproject/sha2" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-    "@ethersproject/transactions" "^5.5.0"
-    "@ethersproject/web" "^5.5.0"
-    bech32 "1.1.4"
-    ws "7.4.6"
-
 "@ethersproject/providers@^5.0.0":
   version "5.6.1"
   resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.6.1.tgz#9a05f00ecbac59565bf6907c8d2af8ac33303b48"
@@ -421,14 +211,6 @@
     bech32 "1.1.4"
     ws "7.4.6"
 
-"@ethersproject/random@5.5.1", "@ethersproject/random@^5.5.0":
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/@ethersproject/random/-/random-5.5.1.tgz#7cdf38ea93dc0b1ed1d8e480ccdaf3535c555415"
-  integrity sha512-YaU2dQ7DuhL5Au7KbcQLHxcRHfgyNgvFV4sQOo0HrtW3Zkrc9ctWNz8wXQ4uCSfSDsqX2vcjhroxU5RQRV0nqA==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-
 "@ethersproject/random@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/random/-/random-5.6.0.tgz#1505d1ab6a250e0ee92f436850fa3314b2cb5ae6"
@@ -437,14 +219,6 @@
     "@ethersproject/bytes" "^5.6.0"
     "@ethersproject/logger" "^5.6.0"
 
-"@ethersproject/rlp@5.5.0", "@ethersproject/rlp@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.5.0.tgz#530f4f608f9ca9d4f89c24ab95db58ab56ab99a0"
-  integrity sha512-hLv8XaQ8PTI9g2RHoQGf/WSxBfTB/NudRacbzdxmst5VHAqd1sMibWG7SENzT5Dj3yZ3kJYx+WiRYEcQTAkcYA==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-
 "@ethersproject/rlp@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/rlp/-/rlp-5.6.0.tgz#55a7be01c6f5e64d6e6e7edb6061aa120962a717"
@@ -453,15 +227,6 @@
     "@ethersproject/bytes" "^5.6.0"
     "@ethersproject/logger" "^5.6.0"
 
-"@ethersproject/sha2@5.5.0", "@ethersproject/sha2@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/sha2/-/sha2-5.5.0.tgz#a40a054c61f98fd9eee99af2c3cc6ff57ec24db7"
-  integrity sha512-B5UBoglbCiHamRVPLA110J+2uqsifpZaTmid2/7W5rbtYVz6gus6/hSDieIU/6gaKIDcOj12WnOdiymEUHIAOA==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    hash.js "1.1.7"
-
 "@ethersproject/sha2@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/sha2/-/sha2-5.6.0.tgz#364c4c11cc753bda36f31f001628706ebadb64d9"
@@ -471,18 +236,6 @@
     "@ethersproject/logger" "^5.6.0"
     hash.js "1.1.7"
 
-"@ethersproject/signing-key@5.5.0", "@ethersproject/signing-key@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.5.0.tgz#2aa37169ce7e01e3e80f2c14325f624c29cedbe0"
-  integrity sha512-5VmseH7qjtNmDdZBswavhotYbWB0bOwKIlOTSlX14rKn5c11QmJwGt4GHeo7NrL/Ycl7uo9AHvEqs5xZgFBTng==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    bn.js "^4.11.9"
-    elliptic "6.5.4"
-    hash.js "1.1.7"
-
 "@ethersproject/signing-key@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/signing-key/-/signing-key-5.6.0.tgz#4f02e3fb09e22b71e2e1d6dc4bcb5dafa69ce042"
@@ -495,27 +248,6 @@
     elliptic "6.5.4"
     hash.js "1.1.7"
 
-"@ethersproject/solidity@5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/solidity/-/solidity-5.5.0.tgz#2662eb3e5da471b85a20531e420054278362f93f"
-  integrity sha512-9NgZs9LhGMj6aCtHXhtmFQ4AN4sth5HuFXVvAQtzmm0jpSCNOTGtrHZJAeYTh7MBjRR8brylWZxBZR9zDStXbw==
-  dependencies:
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/keccak256" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/sha2" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-
-"@ethersproject/strings@5.5.0", "@ethersproject/strings@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.5.0.tgz#e6784d00ec6c57710755699003bc747e98c5d549"
-  integrity sha512-9fy3TtF5LrX/wTrBaT8FGE6TDJyVjOvXynXJz5MT5azq+E6D92zuKNx7i29sWW2FjVOaWjAsiZ1ZWznuduTIIQ==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/constants" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-
 "@ethersproject/strings@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/strings/-/strings-5.6.0.tgz#9891b26709153d996bf1303d39a7f4bc047878fd"
@@ -525,21 +257,6 @@
     "@ethersproject/constants" "^5.6.0"
     "@ethersproject/logger" "^5.6.0"
 
-"@ethersproject/transactions@5.5.0", "@ethersproject/transactions@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.5.0.tgz#7e9bf72e97bcdf69db34fe0d59e2f4203c7a2908"
-  integrity sha512-9RZYSKX26KfzEd/1eqvv8pLauCKzDTub0Ko4LfIgaERvRuwyaNV78mJs7cpIgZaDl6RJui4o49lHwwCM0526zA==
-  dependencies:
-    "@ethersproject/address" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/constants" "^5.5.0"
-    "@ethersproject/keccak256" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/rlp" "^5.5.0"
-    "@ethersproject/signing-key" "^5.5.0"
-
 "@ethersproject/transactions@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/transactions/-/transactions-5.6.0.tgz#4b594d73a868ef6e1529a2f8f94a785e6791ae4e"
@@ -555,47 +272,6 @@
     "@ethersproject/rlp" "^5.6.0"
     "@ethersproject/signing-key" "^5.6.0"
 
-"@ethersproject/units@5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/units/-/units-5.5.0.tgz#104d02db5b5dc42cc672cc4587bafb87a95ee45e"
-  integrity sha512-7+DpjiZk4v6wrikj+TCyWWa9dXLNU73tSTa7n0TSJDxkYbV3Yf1eRh9ToMLlZtuctNYu9RDNNy2USq3AdqSbag==
-  dependencies:
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/constants" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-
-"@ethersproject/wallet@5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/wallet/-/wallet-5.5.0.tgz#322a10527a440ece593980dca6182f17d54eae75"
-  integrity sha512-Mlu13hIctSYaZmUOo7r2PhNSd8eaMPVXe1wxrz4w4FCE4tDYBywDH+bAR1Xz2ADyXGwqYMwstzTrtUVIsKDO0Q==
-  dependencies:
-    "@ethersproject/abstract-provider" "^5.5.0"
-    "@ethersproject/abstract-signer" "^5.5.0"
-    "@ethersproject/address" "^5.5.0"
-    "@ethersproject/bignumber" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/hash" "^5.5.0"
-    "@ethersproject/hdnode" "^5.5.0"
-    "@ethersproject/json-wallets" "^5.5.0"
-    "@ethersproject/keccak256" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/random" "^5.5.0"
-    "@ethersproject/signing-key" "^5.5.0"
-    "@ethersproject/transactions" "^5.5.0"
-    "@ethersproject/wordlists" "^5.5.0"
-
-"@ethersproject/web@5.5.1", "@ethersproject/web@^5.5.0":
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.5.1.tgz#cfcc4a074a6936c657878ac58917a61341681316"
-  integrity sha512-olvLvc1CB12sREc1ROPSHTdFCdvMh0J5GSJYiQg2D0hdD4QmJDy8QYDb1CvoqD/bF1c++aeKv2sR5uduuG9dQg==
-  dependencies:
-    "@ethersproject/base64" "^5.5.0"
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-
 "@ethersproject/web@^5.6.0":
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/@ethersproject/web/-/web-5.6.0.tgz#4bf8b3cbc17055027e1a5dd3c357e37474eaaeb8"
@@ -607,17 +283,6 @@
     "@ethersproject/properties" "^5.6.0"
     "@ethersproject/strings" "^5.6.0"
 
-"@ethersproject/wordlists@5.5.0", "@ethersproject/wordlists@^5.5.0":
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/@ethersproject/wordlists/-/wordlists-5.5.0.tgz#aac74963aa43e643638e5172353d931b347d584f"
-  integrity sha512-bL0UTReWDiaQJJYOC9sh/XcRu/9i2jMrzf8VLRmPKx58ckSlOJiohODkECCO50dtLZHcGU6MLXQ4OOrgBwP77Q==
-  dependencies:
-    "@ethersproject/bytes" "^5.5.0"
-    "@ethersproject/hash" "^5.5.0"
-    "@ethersproject/logger" "^5.5.0"
-    "@ethersproject/properties" "^5.5.0"
-    "@ethersproject/strings" "^5.5.0"
-
 "@humanwhocodes/config-array@^0.5.0":
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.5.0.tgz#1407967d4c6eecd7388f83acf1eaf4d0c6e58ef9"
@@ -632,6 +297,16 @@
   resolved "https://registry.yarnpkg.com/@humanwhocodes/object-schema/-/object-schema-1.2.1.tgz#b520529ec21d8e5945a1851dfd1c32e94e39ff45"
   integrity sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==
 
+"@noble/hashes@1.1.2":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.1.2.tgz#e9e035b9b166ca0af657a7848eb2718f0f22f183"
+  integrity sha512-KYRCASVTv6aeUi1tsF8/vpyR7zpfs3FUzy2Jqm+MU+LmUKhQ0y2FpfwqkCcxSg2ua4GALJd8k2R76WxwZGbQpA==
+
+"@noble/secp256k1@1.6.3":
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/@noble/secp256k1/-/secp256k1-1.6.3.tgz#7eed12d9f4404b416999d0c87686836c4c5c9b94"
+  integrity sha512-T04e4iTurVy7I8Sw4+c5OSN9/RkPlo1uKxAomtxQNLq8j1uPAqnsqG1bqvY3Jv7c13gyr6dui0zmh/I3+f/JaQ==
+
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz#7619c2eb21b25483f6d167548b4cfd5a7488c3d5"
@@ -844,10 +519,10 @@ acorn@^7.4.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
-aes-js@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.0.0.tgz#e21df10ad6c2053295bcbb8dab40b09dbea87e4d"
-  integrity sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=
+aes-js@4.0.0-beta.3:
+  version "4.0.0-beta.3"
+  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-4.0.0-beta.3.tgz#da2253f0ff03a0b3a9e445c8cbdf78e7fda7d48c"
+  integrity sha512-/xJX0/VTPcbc5xQE2VUP91y1xN8q/rDfhEzLm+vLc3hYvb5+qHCnpJRuFcrKn63zumK/sCwYYzhG8HP78JYSTA==
 
 ajv@^6.10.0, ajv@^6.12.4:
   version "6.12.6"
@@ -1414,41 +1089,17 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
-ethers@5.5.4:
-  version "5.5.4"
-  resolved "https://registry.yarnpkg.com/ethers/-/ethers-5.5.4.tgz#e1155b73376a2f5da448e4a33351b57a885f4352"
-  integrity sha512-N9IAXsF8iKhgHIC6pquzRgPBJEzc9auw3JoRkaKe+y4Wl/LFBtDDunNe7YmdomontECAcC5APaAgWZBiu1kirw==
-  dependencies:
-    "@ethersproject/abi" "5.5.0"
-    "@ethersproject/abstract-provider" "5.5.1"
-    "@ethersproject/abstract-signer" "5.5.0"
-    "@ethersproject/address" "5.5.0"
-    "@ethersproject/base64" "5.5.0"
-    "@ethersproject/basex" "5.5.0"
-    "@ethersproject/bignumber" "5.5.0"
-    "@ethersproject/bytes" "5.5.0"
-    "@ethersproject/constants" "5.5.0"
-    "@ethersproject/contracts" "5.5.0"
-    "@ethersproject/hash" "5.5.0"
-    "@ethersproject/hdnode" "5.5.0"
-    "@ethersproject/json-wallets" "5.5.0"
-    "@ethersproject/keccak256" "5.5.0"
-    "@ethersproject/logger" "5.5.0"
-    "@ethersproject/networks" "5.5.2"
-    "@ethersproject/pbkdf2" "5.5.0"
-    "@ethersproject/properties" "5.5.0"
-    "@ethersproject/providers" "5.5.3"
-    "@ethersproject/random" "5.5.1"
-    "@ethersproject/rlp" "5.5.0"
-    "@ethersproject/sha2" "5.5.0"
-    "@ethersproject/signing-key" "5.5.0"
-    "@ethersproject/solidity" "5.5.0"
-    "@ethersproject/strings" "5.5.0"
-    "@ethersproject/transactions" "5.5.0"
-    "@ethersproject/units" "5.5.0"
-    "@ethersproject/wallet" "5.5.0"
-    "@ethersproject/web" "5.5.1"
-    "@ethersproject/wordlists" "5.5.0"
+ethers@6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-6.0.0.tgz#c2a0622bdd5d1597f6d67d7a57327f5f7b365d99"
+  integrity sha512-3zI3VqRS6ERFoRMDIaOPTlR2CFeRYLh21OgoIEL4P5thF2xleWCM6R4ks3qdPp0qYUNzkTV4F+NbczbxxD8ybQ==
+  dependencies:
+    "@adraffy/ens-normalize" "1.8.9"
+    "@noble/hashes" "1.1.2"
+    "@noble/secp256k1" "1.6.3"
+    aes-js "4.0.0-beta.3"
+    tslib "2.4.0"
+    ws "8.5.0"
 
 event-target-shim@^5.0.0:
   version "5.0.1"
@@ -2250,11 +1901,6 @@ safe-buffer@^5.0.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
 
-scrypt-js@3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/scrypt-js/-/scrypt-js-3.0.1.tgz#d314a57c2aef69d1ad98a138a21fe9eafa9ee312"
-  integrity sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==
-
 semver-diff@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-3.1.1.tgz#05f77ce59f325e00e2706afd67bb506ddb1ca32b"
@@ -2452,6 +2098,11 @@ ts-node@8.9.1:
     source-map-support "^0.5.17"
     yn "3.1.1"
 
+tslib@2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tslib@^1.8.1:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
@@ -2646,6 +2297,11 @@ ws@7.4.6:
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
   integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
+ws@8.5.0:
+  version "8.5.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.5.0.tgz#bfb4be96600757fe5382de12c670dab984a1ed4f"
+  integrity sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==
+
 ws@^7.4.4:
   version "7.5.6"
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.6.tgz#e59fc509fb15ddfb65487ee9765c5a51dec5fe7b"