Update to latest upstream changes

Author: krebernisak

package.json

@@ -33,8 +33,9 @@
   "devDependencies": {
     "@chainlink/optimism-utils": "https://github.com/smartcontractkit/optimism-utils.git",
     "@eth-optimism/hardhat-ovm": "^0.2.2",
-    "@ethersproject/bignumber": "^5.1.1",
-    "@ethersproject/units": "^5.1.0",
+    "@ethersproject/bignumber": "^5.4.0",
+    "@ethersproject/providers": "^5.4.0",
+    "@ethersproject/units": "^5.4.0",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
     "@typechain/ethers-v5": "^7.0.1",
@@ -48,7 +49,7 @@
     "chai": "^4.3.4",
     "dotenv": "^8.2.0",
     "ethereum-waffle": "^3.4.0",
-    "ethers": "^5.1.4",
+    "ethers": "^5.4.0",
     "glob": "^7.1.6",
     "hardhat": "^2.4.3",
     "hardhat-contract-sizer": "^2.0.3",

src/contract-defs.ts

@@ -1,7 +1,6 @@
 import * as path from 'path'
 import * as glob from 'glob'
-import { ethers, ContractFactory, Signer, Contract } from 'ethers'
-import { Interface } from 'ethers/lib/utils'
+import { ContractFactory, ContractInterface, Signer, Contract } from 'ethers'
 import { Targets, Versions } from '.'
 
 export const getContractDefinition = (
@@ -26,9 +25,9 @@ export const getContractInterface = (
   name: string,
   version?: Versions,
   target: Targets = Targets.EVM,
-): Interface => {
+): ContractInterface => {
   const definition = getContractDefinition(name, version, target)
-  return new ethers.utils.Interface(definition.abi)
+  return definition.abi
 }
 
 export const getContractFactory = (