diff --git a/package-lock.json b/package-lock.json
index 76d3cce..bb96d94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@uniswap/v2-core": "^1.0.1",
         "@uniswap/v2-periphery": "^1.1.0-beta.0",
         "debug": "^4.3.1",
-        "ethers": "^4.0.47",
+        "ethers": "^5.5.4",
         "node-fetch": "2.6.1",
         "web3": "1.2.4"
       },
@@ -157,6 +157,718 @@
         "node": ">= 4"
       }
     },
+    "node_modules/@ethersproject/abi": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.5.0.tgz",
+      "integrity": "sha512-loW7I4AohP5KycATvc0MgujU6JyCHPqHdeoo9z3Nr9xEiNioxa65ccdm1+fsoJhkuhdRtfcL8cfyGamz2AxZ5w==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/abstract-provider": {
+      "version": "5.5.1",
+      "resolved": "https://registry.npmjs.org/@ethersproject/abstract-provider/-/abstract-provider-5.5.1.tgz",
+      "integrity": "sha512-m+MA/ful6eKbxpr99xUYeRvLkfnlqzrF8SZ46d/xFB1A7ZVknYc/sXJG0RcufF52Qn2jeFj1hhcoQ7IXjNKUqg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/abstract-signer": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/abstract-signer/-/abstract-signer-5.5.0.tgz",
+      "integrity": "sha512-lj//7r250MXVLKI7sVarXAbZXbv9P50lgmJQGr2/is82EwEb8r7HrxsmMqAjTsztMYy7ohrIhGMIml+Gx4D3mA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/address": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/address/-/address-5.5.0.tgz",
+      "integrity": "sha512-l4Nj0eWlTUh6ro5IbPTgbpT4wRbdH5l8CQf7icF7sb/SI3Nhd9Y9HzhonTSTi6CefI0necIw7LJqQPopPLZyWw==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/base64": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/base64/-/base64-5.5.0.tgz",
+      "integrity": "sha512-tdayUKhU1ljrlHzEWbStXazDpsx4eg1dBXUSI6+mHlYklOXoXF6lZvw8tnD6oVaWfnMxAgRSKROg3cVKtCcppA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/basex": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/basex/-/basex-5.5.0.tgz",
+      "integrity": "sha512-ZIodwhHpVJ0Y3hUCfUucmxKsWQA5TMnavp5j/UOuDdzZWzJlRmuOjcTMIGgHCYuZmHt36BfiSyQPSRskPxbfaQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/properties": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/bignumber": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/bignumber/-/bignumber-5.5.0.tgz",
+      "integrity": "sha512-6Xytlwvy6Rn3U3gKEc1vP7nR92frHkv6wtVr95LFR3jREXiCPzdWxKQ1cx4JGQBXxcguAwjA8murlYN2TSiEbg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0",
+        "bn.js": "^4.11.9"
+      }
+    },
+    "node_modules/@ethersproject/bytes": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/bytes/-/bytes-5.5.0.tgz",
+      "integrity": "sha512-ABvc7BHWhZU9PNM/tANm/Qx4ostPGadAuQzWTr3doklZOhDlmcBqclrQe/ZXUIj3K8wC28oYeuRa+A37tX9kog==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/constants": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/constants/-/constants-5.5.0.tgz",
+      "integrity": "sha512-2MsRRVChkvMWR+GyMGY4N1sAX9Mt3J9KykCsgUFd/1mwS0UH1qw+Bv9k1UJb3X3YJYFco9H20pjSlOIfCG5HYQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bignumber": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/contracts": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/contracts/-/contracts-5.5.0.tgz",
+      "integrity": "sha512-2viY7NzyvJkh+Ug17v7g3/IJC8HqZBDcOjYARZLdzRxrfGlRgmYgl6xPRKVbEzy1dWKw/iv7chDcS83pg6cLxg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/hash": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/hash/-/hash-5.5.0.tgz",
+      "integrity": "sha512-dnGVpK1WtBjmnp3mUT0PlU2MpapnwWI0PibldQEq1408tQBAbZpPidkWoVVuNMOl/lISO3+4hXZWCL3YV7qzfg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/hdnode": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/hdnode/-/hdnode-5.5.0.tgz",
+      "integrity": "sha512-mcSOo9zeUg1L0CoJH7zmxwUG5ggQHU1UrRf8jyTYy6HxdZV+r0PBoL1bxr+JHIPXRzS6u/UW4mEn43y0tmyF8Q==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/json-wallets": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/json-wallets/-/json-wallets-5.5.0.tgz",
+      "integrity": "sha512-9lA21XQnCdcS72xlBn1jfQdj2A1VUxZzOzi9UkNdnokNKke/9Ya2xA9aIK1SC3PQyBDLt4C+dfps7ULpkvKikQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/keccak256": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/keccak256/-/keccak256-5.5.0.tgz",
+      "integrity": "sha512-5VoFCTjo2rYbBe1l2f4mccaRFN/4VQEYFwwn04aJV2h7qf4ZvI2wFxUE1XOX+snbwCLRzIeikOqtAoPwMza9kg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "js-sha3": "0.8.0"
+      }
+    },
+    "node_modules/@ethersproject/keccak256/node_modules/js-sha3": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
+    },
+    "node_modules/@ethersproject/logger": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/logger/-/logger-5.5.0.tgz",
+      "integrity": "sha512-rIY/6WPm7T8n3qS2vuHTUBPdXHl+rGxWxW5okDfo9J4Z0+gRRZT0msvUdIJkE4/HS29GUMziwGaaKO2bWONBrg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ]
+    },
+    "node_modules/@ethersproject/networks": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/@ethersproject/networks/-/networks-5.5.2.tgz",
+      "integrity": "sha512-NEqPxbGBfy6O3x4ZTISb90SjEDkWYDUbEeIFhJly0F7sZjoQMnj5KYzMSkMkLKZ+1fGpx00EDpHQCy6PrDupkQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/pbkdf2": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/pbkdf2/-/pbkdf2-5.5.0.tgz",
+      "integrity": "sha512-SaDvQFvXPnz1QGpzr6/HToLifftSXGoXrbpZ6BvoZhmx4bNLHrxDe8MZisuecyOziP1aVEwzC2Hasj+86TgWVg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/sha2": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/properties": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/properties/-/properties-5.5.0.tgz",
+      "integrity": "sha512-l3zRQg3JkD8EL3CPjNK5g7kMx4qSwiR60/uk5IVjd3oq1MZR5qUg40CNOoEJoX5wc3DyY5bt9EbMk86C7x0DNA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/providers": {
+      "version": "5.5.3",
+      "resolved": "https://registry.npmjs.org/@ethersproject/providers/-/providers-5.5.3.tgz",
+      "integrity": "sha512-ZHXxXXXWHuwCQKrgdpIkbzMNJMvs+9YWemanwp1fA7XZEv7QlilseysPvQe0D7Q7DlkJX/w/bGA1MdgK2TbGvA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/providers/node_modules/ws": {
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
+      "engines": {
+        "node": ">=8.3.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@ethersproject/random": {
+      "version": "5.5.1",
+      "resolved": "https://registry.npmjs.org/@ethersproject/random/-/random-5.5.1.tgz",
+      "integrity": "sha512-YaU2dQ7DuhL5Au7KbcQLHxcRHfgyNgvFV4sQOo0HrtW3Zkrc9ctWNz8wXQ4uCSfSDsqX2vcjhroxU5RQRV0nqA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/rlp": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/rlp/-/rlp-5.5.0.tgz",
+      "integrity": "sha512-hLv8XaQ8PTI9g2RHoQGf/WSxBfTB/NudRacbzdxmst5VHAqd1sMibWG7SENzT5Dj3yZ3kJYx+WiRYEcQTAkcYA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/sha2": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/sha2/-/sha2-5.5.0.tgz",
+      "integrity": "sha512-B5UBoglbCiHamRVPLA110J+2uqsifpZaTmid2/7W5rbtYVz6gus6/hSDieIU/6gaKIDcOj12WnOdiymEUHIAOA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0",
+        "hash.js": "1.1.7"
+      }
+    },
+    "node_modules/@ethersproject/sha2/node_modules/hash.js": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
+      "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "minimalistic-assert": "^1.0.1"
+      }
+    },
+    "node_modules/@ethersproject/signing-key": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/signing-key/-/signing-key-5.5.0.tgz",
+      "integrity": "sha512-5VmseH7qjtNmDdZBswavhotYbWB0bOwKIlOTSlX14rKn5c11QmJwGt4GHeo7NrL/Ycl7uo9AHvEqs5xZgFBTng==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/signing-key/node_modules/hash.js": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
+      "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "minimalistic-assert": "^1.0.1"
+      }
+    },
+    "node_modules/@ethersproject/solidity": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/solidity/-/solidity-5.5.0.tgz",
+      "integrity": "sha512-9NgZs9LhGMj6aCtHXhtmFQ4AN4sth5HuFXVvAQtzmm0jpSCNOTGtrHZJAeYTh7MBjRR8brylWZxBZR9zDStXbw==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/strings": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/strings/-/strings-5.5.0.tgz",
+      "integrity": "sha512-9fy3TtF5LrX/wTrBaT8FGE6TDJyVjOvXynXJz5MT5azq+E6D92zuKNx7i29sWW2FjVOaWjAsiZ1ZWznuduTIIQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/constants": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/transactions": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/transactions/-/transactions-5.5.0.tgz",
+      "integrity": "sha512-9RZYSKX26KfzEd/1eqvv8pLauCKzDTub0Ko4LfIgaERvRuwyaNV78mJs7cpIgZaDl6RJui4o49lHwwCM0526zA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/units": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/units/-/units-5.5.0.tgz",
+      "integrity": "sha512-7+DpjiZk4v6wrikj+TCyWWa9dXLNU73tSTa7n0TSJDxkYbV3Yf1eRh9ToMLlZtuctNYu9RDNNy2USq3AdqSbag==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "dependencies": {
+        "@ethersproject/bignumber": "^5.5.0",
+        "@ethersproject/constants": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "node_modules/@ethersproject/wallet": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/wallet/-/wallet-5.5.0.tgz",
+      "integrity": "sha512-Mlu13hIctSYaZmUOo7r2PhNSd8eaMPVXe1wxrz4w4FCE4tDYBywDH+bAR1Xz2ADyXGwqYMwstzTrtUVIsKDO0Q==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/web": {
+      "version": "5.5.1",
+      "resolved": "https://registry.npmjs.org/@ethersproject/web/-/web-5.5.1.tgz",
+      "integrity": "sha512-olvLvc1CB12sREc1ROPSHTdFCdvMh0J5GSJYiQg2D0hdD4QmJDy8QYDb1CvoqD/bF1c++aeKv2sR5uduuG9dQg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
+    "node_modules/@ethersproject/wordlists": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/wordlists/-/wordlists-5.5.0.tgz",
+      "integrity": "sha512-bL0UTReWDiaQJJYOC9sh/XcRu/9i2jMrzf8VLRmPKx58ckSlOJiohODkECCO50dtLZHcGU6MLXQ4OOrgBwP77Q==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "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"
+      }
+    },
     "node_modules/@humanwhocodes/config-array": {
       "version": "0.5.0",
       "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.5.0.tgz",
@@ -731,6 +1443,11 @@
         "tweetnacl": "^0.14.3"
       }
     },
+    "node_modules/bech32": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/bech32/-/bech32-1.1.4.tgz",
+      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ=="
+    },
     "node_modules/bignumber.js": {
       "version": "9.0.1",
       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.1.tgz",
@@ -1937,11 +2654,6 @@
         "minimalistic-assert": "^1.0.1"
       }
     },
-    "node_modules/ethereum-cryptography/node_modules/scrypt-js": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
-      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
-    },
     "node_modules/ethereum-cryptography/node_modules/setimmediate": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
@@ -1978,19 +2690,50 @@
       }
     },
     "node_modules/ethers": {
-      "version": "4.0.49",
-      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.49.tgz",
-      "integrity": "sha512-kPltTvWiyu+OktYy1IStSO16i2e7cS9D9OxZ81q2UUaiNPVrm/RTcbxamCXF9VUSKzJIdJV68EAIhTEVBalRWg==",
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-5.5.4.tgz",
+      "integrity": "sha512-N9IAXsF8iKhgHIC6pquzRgPBJEzc9auw3JoRkaKe+y4Wl/LFBtDDunNe7YmdomontECAcC5APaAgWZBiu1kirw==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
       "dependencies": {
-        "aes-js": "3.0.0",
-        "bn.js": "^4.11.9",
-        "elliptic": "6.5.4",
-        "hash.js": "1.1.3",
-        "js-sha3": "0.5.7",
-        "scrypt-js": "2.0.4",
-        "setimmediate": "1.0.4",
-        "uuid": "2.0.1",
-        "xmlhttprequest": "1.8.0"
+        "@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"
       }
     },
     "node_modules/ethjs-unit": {
@@ -3849,9 +4592,9 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "node_modules/scrypt-js": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.4.tgz",
-      "integrity": "sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw=="
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
+      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
     },
     "node_modules/scryptsy": {
       "version": "2.1.0",
@@ -5304,6 +6047,412 @@
         }
       }
     },
+    "@ethersproject/abi": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.5.0.tgz",
+      "integrity": "sha512-loW7I4AohP5KycATvc0MgujU6JyCHPqHdeoo9z3Nr9xEiNioxa65ccdm1+fsoJhkuhdRtfcL8cfyGamz2AxZ5w==",
+      "requires": {
+        "@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/abstract-provider": {
+      "version": "5.5.1",
+      "resolved": "https://registry.npmjs.org/@ethersproject/abstract-provider/-/abstract-provider-5.5.1.tgz",
+      "integrity": "sha512-m+MA/ful6eKbxpr99xUYeRvLkfnlqzrF8SZ46d/xFB1A7ZVknYc/sXJG0RcufF52Qn2jeFj1hhcoQ7IXjNKUqg==",
+      "requires": {
+        "@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-signer": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/abstract-signer/-/abstract-signer-5.5.0.tgz",
+      "integrity": "sha512-lj//7r250MXVLKI7sVarXAbZXbv9P50lgmJQGr2/is82EwEb8r7HrxsmMqAjTsztMYy7ohrIhGMIml+Gx4D3mA==",
+      "requires": {
+        "@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/address": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/address/-/address-5.5.0.tgz",
+      "integrity": "sha512-l4Nj0eWlTUh6ro5IbPTgbpT4wRbdH5l8CQf7icF7sb/SI3Nhd9Y9HzhonTSTi6CefI0necIw7LJqQPopPLZyWw==",
+      "requires": {
+        "@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/base64": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/base64/-/base64-5.5.0.tgz",
+      "integrity": "sha512-tdayUKhU1ljrlHzEWbStXazDpsx4eg1dBXUSI6+mHlYklOXoXF6lZvw8tnD6oVaWfnMxAgRSKROg3cVKtCcppA==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0"
+      }
+    },
+    "@ethersproject/basex": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/basex/-/basex-5.5.0.tgz",
+      "integrity": "sha512-ZIodwhHpVJ0Y3hUCfUucmxKsWQA5TMnavp5j/UOuDdzZWzJlRmuOjcTMIGgHCYuZmHt36BfiSyQPSRskPxbfaQ==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/properties": "^5.5.0"
+      }
+    },
+    "@ethersproject/bignumber": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/bignumber/-/bignumber-5.5.0.tgz",
+      "integrity": "sha512-6Xytlwvy6Rn3U3gKEc1vP7nR92frHkv6wtVr95LFR3jREXiCPzdWxKQ1cx4JGQBXxcguAwjA8murlYN2TSiEbg==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0",
+        "bn.js": "^4.11.9"
+      }
+    },
+    "@ethersproject/bytes": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/bytes/-/bytes-5.5.0.tgz",
+      "integrity": "sha512-ABvc7BHWhZU9PNM/tANm/Qx4ostPGadAuQzWTr3doklZOhDlmcBqclrQe/ZXUIj3K8wC28oYeuRa+A37tX9kog==",
+      "requires": {
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "@ethersproject/constants": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/constants/-/constants-5.5.0.tgz",
+      "integrity": "sha512-2MsRRVChkvMWR+GyMGY4N1sAX9Mt3J9KykCsgUFd/1mwS0UH1qw+Bv9k1UJb3X3YJYFco9H20pjSlOIfCG5HYQ==",
+      "requires": {
+        "@ethersproject/bignumber": "^5.5.0"
+      }
+    },
+    "@ethersproject/contracts": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/contracts/-/contracts-5.5.0.tgz",
+      "integrity": "sha512-2viY7NzyvJkh+Ug17v7g3/IJC8HqZBDcOjYARZLdzRxrfGlRgmYgl6xPRKVbEzy1dWKw/iv7chDcS83pg6cLxg==",
+      "requires": {
+        "@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": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/hash/-/hash-5.5.0.tgz",
+      "integrity": "sha512-dnGVpK1WtBjmnp3mUT0PlU2MpapnwWI0PibldQEq1408tQBAbZpPidkWoVVuNMOl/lISO3+4hXZWCL3YV7qzfg==",
+      "requires": {
+        "@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/hdnode": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/hdnode/-/hdnode-5.5.0.tgz",
+      "integrity": "sha512-mcSOo9zeUg1L0CoJH7zmxwUG5ggQHU1UrRf8jyTYy6HxdZV+r0PBoL1bxr+JHIPXRzS6u/UW4mEn43y0tmyF8Q==",
+      "requires": {
+        "@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": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/json-wallets/-/json-wallets-5.5.0.tgz",
+      "integrity": "sha512-9lA21XQnCdcS72xlBn1jfQdj2A1VUxZzOzi9UkNdnokNKke/9Ya2xA9aIK1SC3PQyBDLt4C+dfps7ULpkvKikQ==",
+      "requires": {
+        "@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": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/keccak256/-/keccak256-5.5.0.tgz",
+      "integrity": "sha512-5VoFCTjo2rYbBe1l2f4mccaRFN/4VQEYFwwn04aJV2h7qf4ZvI2wFxUE1XOX+snbwCLRzIeikOqtAoPwMza9kg==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "js-sha3": "0.8.0"
+      },
+      "dependencies": {
+        "js-sha3": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+          "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
+        }
+      }
+    },
+    "@ethersproject/logger": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/logger/-/logger-5.5.0.tgz",
+      "integrity": "sha512-rIY/6WPm7T8n3qS2vuHTUBPdXHl+rGxWxW5okDfo9J4Z0+gRRZT0msvUdIJkE4/HS29GUMziwGaaKO2bWONBrg=="
+    },
+    "@ethersproject/networks": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/@ethersproject/networks/-/networks-5.5.2.tgz",
+      "integrity": "sha512-NEqPxbGBfy6O3x4ZTISb90SjEDkWYDUbEeIFhJly0F7sZjoQMnj5KYzMSkMkLKZ+1fGpx00EDpHQCy6PrDupkQ==",
+      "requires": {
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "@ethersproject/pbkdf2": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/pbkdf2/-/pbkdf2-5.5.0.tgz",
+      "integrity": "sha512-SaDvQFvXPnz1QGpzr6/HToLifftSXGoXrbpZ6BvoZhmx4bNLHrxDe8MZisuecyOziP1aVEwzC2Hasj+86TgWVg==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/sha2": "^5.5.0"
+      }
+    },
+    "@ethersproject/properties": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/properties/-/properties-5.5.0.tgz",
+      "integrity": "sha512-l3zRQg3JkD8EL3CPjNK5g7kMx4qSwiR60/uk5IVjd3oq1MZR5qUg40CNOoEJoX5wc3DyY5bt9EbMk86C7x0DNA==",
+      "requires": {
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "@ethersproject/providers": {
+      "version": "5.5.3",
+      "resolved": "https://registry.npmjs.org/@ethersproject/providers/-/providers-5.5.3.tgz",
+      "integrity": "sha512-ZHXxXXXWHuwCQKrgdpIkbzMNJMvs+9YWemanwp1fA7XZEv7QlilseysPvQe0D7Q7DlkJX/w/bGA1MdgK2TbGvA==",
+      "requires": {
+        "@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"
+      },
+      "dependencies": {
+        "ws": {
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+          "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
+          "requires": {}
+        }
+      }
+    },
+    "@ethersproject/random": {
+      "version": "5.5.1",
+      "resolved": "https://registry.npmjs.org/@ethersproject/random/-/random-5.5.1.tgz",
+      "integrity": "sha512-YaU2dQ7DuhL5Au7KbcQLHxcRHfgyNgvFV4sQOo0HrtW3Zkrc9ctWNz8wXQ4uCSfSDsqX2vcjhroxU5RQRV0nqA==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "@ethersproject/rlp": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/rlp/-/rlp-5.5.0.tgz",
+      "integrity": "sha512-hLv8XaQ8PTI9g2RHoQGf/WSxBfTB/NudRacbzdxmst5VHAqd1sMibWG7SENzT5Dj3yZ3kJYx+WiRYEcQTAkcYA==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "@ethersproject/sha2": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/sha2/-/sha2-5.5.0.tgz",
+      "integrity": "sha512-B5UBoglbCiHamRVPLA110J+2uqsifpZaTmid2/7W5rbtYVz6gus6/hSDieIU/6gaKIDcOj12WnOdiymEUHIAOA==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0",
+        "hash.js": "1.1.7"
+      },
+      "dependencies": {
+        "hash.js": {
+          "version": "1.1.7",
+          "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
+          "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "minimalistic-assert": "^1.0.1"
+          }
+        }
+      }
+    },
+    "@ethersproject/signing-key": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/signing-key/-/signing-key-5.5.0.tgz",
+      "integrity": "sha512-5VmseH7qjtNmDdZBswavhotYbWB0bOwKIlOTSlX14rKn5c11QmJwGt4GHeo7NrL/Ycl7uo9AHvEqs5xZgFBTng==",
+      "requires": {
+        "@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"
+      },
+      "dependencies": {
+        "hash.js": {
+          "version": "1.1.7",
+          "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
+          "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "minimalistic-assert": "^1.0.1"
+          }
+        }
+      }
+    },
+    "@ethersproject/solidity": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/solidity/-/solidity-5.5.0.tgz",
+      "integrity": "sha512-9NgZs9LhGMj6aCtHXhtmFQ4AN4sth5HuFXVvAQtzmm0jpSCNOTGtrHZJAeYTh7MBjRR8brylWZxBZR9zDStXbw==",
+      "requires": {
+        "@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": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/strings/-/strings-5.5.0.tgz",
+      "integrity": "sha512-9fy3TtF5LrX/wTrBaT8FGE6TDJyVjOvXynXJz5MT5azq+E6D92zuKNx7i29sWW2FjVOaWjAsiZ1ZWznuduTIIQ==",
+      "requires": {
+        "@ethersproject/bytes": "^5.5.0",
+        "@ethersproject/constants": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "@ethersproject/transactions": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/transactions/-/transactions-5.5.0.tgz",
+      "integrity": "sha512-9RZYSKX26KfzEd/1eqvv8pLauCKzDTub0Ko4LfIgaERvRuwyaNV78mJs7cpIgZaDl6RJui4o49lHwwCM0526zA==",
+      "requires": {
+        "@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/units": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/units/-/units-5.5.0.tgz",
+      "integrity": "sha512-7+DpjiZk4v6wrikj+TCyWWa9dXLNU73tSTa7n0TSJDxkYbV3Yf1eRh9ToMLlZtuctNYu9RDNNy2USq3AdqSbag==",
+      "requires": {
+        "@ethersproject/bignumber": "^5.5.0",
+        "@ethersproject/constants": "^5.5.0",
+        "@ethersproject/logger": "^5.5.0"
+      }
+    },
+    "@ethersproject/wallet": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/wallet/-/wallet-5.5.0.tgz",
+      "integrity": "sha512-Mlu13hIctSYaZmUOo7r2PhNSd8eaMPVXe1wxrz4w4FCE4tDYBywDH+bAR1Xz2ADyXGwqYMwstzTrtUVIsKDO0Q==",
+      "requires": {
+        "@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": {
+      "version": "5.5.1",
+      "resolved": "https://registry.npmjs.org/@ethersproject/web/-/web-5.5.1.tgz",
+      "integrity": "sha512-olvLvc1CB12sREc1ROPSHTdFCdvMh0J5GSJYiQg2D0hdD4QmJDy8QYDb1CvoqD/bF1c++aeKv2sR5uduuG9dQg==",
+      "requires": {
+        "@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/wordlists": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@ethersproject/wordlists/-/wordlists-5.5.0.tgz",
+      "integrity": "sha512-bL0UTReWDiaQJJYOC9sh/XcRu/9i2jMrzf8VLRmPKx58ckSlOJiohODkECCO50dtLZHcGU6MLXQ4OOrgBwP77Q==",
+      "requires": {
+        "@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": {
       "version": "0.5.0",
       "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.5.0.tgz",
@@ -5716,6 +6865,11 @@
         "tweetnacl": "^0.14.3"
       }
     },
+    "bech32": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/bech32/-/bech32-1.1.4.tgz",
+      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ=="
+    },
     "bignumber.js": {
       "version": "9.0.1",
       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.1.tgz",
@@ -6710,11 +7864,6 @@
             "minimalistic-assert": "^1.0.1"
           }
         },
-        "scrypt-js": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
-          "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
-        },
         "setimmediate": {
           "version": "1.0.5",
           "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
@@ -6751,19 +7900,40 @@
       }
     },
     "ethers": {
-      "version": "4.0.49",
-      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.49.tgz",
-      "integrity": "sha512-kPltTvWiyu+OktYy1IStSO16i2e7cS9D9OxZ81q2UUaiNPVrm/RTcbxamCXF9VUSKzJIdJV68EAIhTEVBalRWg==",
-      "requires": {
-        "aes-js": "3.0.0",
-        "bn.js": "^4.11.9",
-        "elliptic": "6.5.4",
-        "hash.js": "1.1.3",
-        "js-sha3": "0.5.7",
-        "scrypt-js": "2.0.4",
-        "setimmediate": "1.0.4",
-        "uuid": "2.0.1",
-        "xmlhttprequest": "1.8.0"
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-5.5.4.tgz",
+      "integrity": "sha512-N9IAXsF8iKhgHIC6pquzRgPBJEzc9auw3JoRkaKe+y4Wl/LFBtDDunNe7YmdomontECAcC5APaAgWZBiu1kirw==",
+      "requires": {
+        "@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"
       }
     },
     "ethjs-unit": {
@@ -8228,9 +9398,9 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "scrypt-js": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.4.tgz",
-      "integrity": "sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw=="
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
+      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
     },
     "scryptsy": {
       "version": "2.1.0",
diff --git a/package.json b/package.json
index c3a5af7..5360b37 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "@uniswap/v2-core": "^1.0.1",
     "@uniswap/v2-periphery": "^1.1.0-beta.0",
     "debug": "^4.3.1",
-    "ethers": "^4.0.47",
+    "ethers": "^5.5.4",
     "node-fetch": "2.6.1",
     "web3": "1.2.4"
   },