diff --git a/docs/kalis-me-tutorial-code/contracts/Casino.sol b/docs/kalis-me-tutorial-code/contracts/Casino.sol
index 463ffda..7116288 100644
--- a/docs/kalis-me-tutorial-code/contracts/Casino.sol
+++ b/docs/kalis-me-tutorial-code/contracts/Casino.sol
@@ -1,6 +1,6 @@
 pragma solidity ^0.5.8;
 
-import "./Killable.sol";
+import './Killable.sol';
 
 contract Casino is Killable {
     event Play(address payable indexed player, uint256 betSize, uint8 betNumber, uint8 winningNumber);
@@ -9,8 +9,8 @@ contract Casino is Killable {
     function fund() external payable {}
 
     function bet(uint8 number) external payable {
-        require(msg.value <= getMaxBet(), "Bet amount can not exceed max bet size");
-        require(msg.value > 0, "A bet should be placed");
+        require(msg.value <= getMaxBet(), 'Bet amount can not exceed max bet size');
+        require(msg.value > 0, 'A bet should be placed');
 
         uint8 winningNumber = generateWinningNumber();
         emit Play(msg.sender, msg.value, number, winningNumber);
@@ -25,7 +25,7 @@ contract Casino is Killable {
     }
 
     function generateWinningNumber() internal view returns (uint8) {
-        return uint8(block.number % 10 + 1); // Don't do this in production
+        return uint8((block.number % 10) + 1); // Don't do this in production
     }
 
     function payout(address payable winner, uint256 amount) internal {
diff --git a/docs/kalis-me-tutorial-code/contracts/Killable.sol b/docs/kalis-me-tutorial-code/contracts/Killable.sol
index 468995d..4636f2e 100644
--- a/docs/kalis-me-tutorial-code/contracts/Killable.sol
+++ b/docs/kalis-me-tutorial-code/contracts/Killable.sol
@@ -8,7 +8,7 @@ contract Killable {
     }
 
     function kill() external {
-        require(msg.sender == owner, "Only the owner can kill this contract");
+        require(msg.sender == owner, 'Only the owner can kill this contract');
         selfdestruct(owner);
     }
 }
diff --git a/examples/metacoin/contracts/ConvertLib.sol b/examples/metacoin/contracts/ConvertLib.sol
index c16bdb1..5ce0403 100644
--- a/examples/metacoin/contracts/ConvertLib.sol
+++ b/examples/metacoin/contracts/ConvertLib.sol
@@ -2,12 +2,11 @@
 pragma solidity >=0.4.25 <0.9.0;
 
 library ConvertLib {
-	struct TestStruct {
-		uint256 name;
-	}
+    struct TestStruct {
+        uint256 name;
+    }
 
-	function convert(uint amount,uint conversionRate) public pure returns (uint convertedAmount)
-	{
-		return amount * conversionRate;
-	}
+    function convert(uint amount, uint conversionRate) public pure returns (uint convertedAmount) {
+        return amount * conversionRate;
+    }
 }
diff --git a/examples/metacoin/contracts/MetaCoin.sol b/examples/metacoin/contracts/MetaCoin.sol
index 0e388ba..c3cd73b 100644
--- a/examples/metacoin/contracts/MetaCoin.sol
+++ b/examples/metacoin/contracts/MetaCoin.sol
@@ -2,7 +2,7 @@
 pragma experimental ABIEncoderV2;
 pragma solidity >=0.4.25 <0.9.0;
 
-import "./ConvertLib.sol";
+import './ConvertLib.sol';
 
 // This is just a simple example of a coin-like contract.
 // It is not standards compatible and cannot be expected to talk to other
@@ -10,31 +10,31 @@ import "./ConvertLib.sol";
 // token, see: https://github.com/ConsenSys/Tokens. Cheers!
 
 contract MetaCoin {
-	mapping (address => uint) balances;
+    mapping(address => uint) balances;
 
-	event Transfer(address indexed _from, address indexed _to, uint256 _value);
+    event Transfer(address indexed _from, address indexed _to, uint256 _value);
 
-	constructor() public {
-		balances[tx.origin] = 10000;
-	}
+    constructor() public {
+        balances[tx.origin] = 10000;
+    }
 
-	function sendCoin(address receiver, uint amount) public returns(bool sufficient) {
-		if (balances[msg.sender] < amount) return false;
-		balances[msg.sender] -= amount;
-		balances[receiver] += amount;
-		emit Transfer(msg.sender, receiver, amount);
-		return true;
-	}
+    function sendCoin(address receiver, uint amount) public returns (bool sufficient) {
+        if (balances[msg.sender] < amount) return false;
+        balances[msg.sender] -= amount;
+        balances[receiver] += amount;
+        emit Transfer(msg.sender, receiver, amount);
+        return true;
+    }
 
-	function getBalanceInEth(address addr) public view returns(uint){
-		return ConvertLib.convert(getBalance(addr),2);
-	}
+    function getBalanceInEth(address addr) public view returns (uint) {
+        return ConvertLib.convert(getBalance(addr), 2);
+    }
 
-	function getBalance(address addr) public view returns(uint) {
-		return balances[addr];
-	}
+    function getBalance(address addr) public view returns (uint) {
+        return balances[addr];
+    }
 
-	function test(ConvertLib.TestStruct memory testObj) public pure {
-		require(testObj.name > 10);
-	}
+    function test(ConvertLib.TestStruct memory testObj) public pure {
+        require(testObj.name > 10);
+    }
 }
diff --git a/examples/metacoin/contracts/WrappedMetaCoin.sol b/examples/metacoin/contracts/WrappedMetaCoin.sol
index e831d37..02e619b 100644
--- a/examples/metacoin/contracts/WrappedMetaCoin.sol
+++ b/examples/metacoin/contracts/WrappedMetaCoin.sol
@@ -1,24 +1,24 @@
 // SPDX-License-Identifier: MIT
 pragma solidity >=0.4.25 <0.9.0;
 
-import { MetaCoin as Coin } from "./MetaCoin.sol";
+import {MetaCoin as Coin} from './MetaCoin.sol';
 
 contract WrappedMetaCoin {
-	Coin public underlying;
+    Coin public underlying;
 
-	constructor(Coin _underlying) public {
-		underlying = _underlying;
-	}
+    constructor(Coin _underlying) public {
+        underlying = _underlying;
+    }
 
-	function sendCoin(address receiver, uint amount) public returns(bool sufficient) {
-		return underlying.sendCoin(receiver, amount);
-	}
+    function sendCoin(address receiver, uint amount) public returns (bool sufficient) {
+        return underlying.sendCoin(receiver, amount);
+    }
 
-	function getBalanceInEth(address addr) public view returns(uint){
-		return underlying.getBalanceInEth(addr);
-	}
+    function getBalanceInEth(address addr) public view returns (uint) {
+        return underlying.getBalanceInEth(addr);
+    }
 
-	function getBalance(address addr) public view returns(uint) {
-		return underlying.getBalance(addr);
-	}
+    function getBalance(address addr) public view returns (uint) {
+        return underlying.getBalance(addr);
+    }
 }
diff --git a/examples/openzeppelin-token/contracts/SimpleProxyAdmin.sol b/examples/openzeppelin-token/contracts/SimpleProxyAdmin.sol
index ff73f97..0cb6f8f 100644
--- a/examples/openzeppelin-token/contracts/SimpleProxyAdmin.sol
+++ b/examples/openzeppelin-token/contracts/SimpleProxyAdmin.sol
@@ -4,5 +4,4 @@ pragma solidity 0.8.9;
 
 import '@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol';
 
-contract SimpleProxyAdmin is ProxyAdmin{}
-
+contract SimpleProxyAdmin is ProxyAdmin {}
diff --git a/examples/openzeppelin-token/contracts/SimpleToken.sol b/examples/openzeppelin-token/contracts/SimpleToken.sol
index e12a5cd..6963fec 100644
--- a/examples/openzeppelin-token/contracts/SimpleToken.sol
+++ b/examples/openzeppelin-token/contracts/SimpleToken.sol
@@ -1,8 +1,8 @@
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
-import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
-import "truffle/console.sol";
+import '@openzeppelin/contracts/token/ERC20/ERC20.sol';
+import 'truffle/console.sol';
 
 /**
  * @title SimpleToken
@@ -11,12 +11,11 @@ import "truffle/console.sol";
  * `ERC20` functions.
  */
 contract SimpleToken is ERC20 {
-
     /**
      * @dev Constructor that gives msg.sender all of existing tokens.
      */
-    constructor () ERC20("Simple Token", "SIM") {
+    constructor() ERC20('Simple Token', 'SIM') {
         _mint(msg.sender, 1000000 * (10 ** uint256(decimals())));
-        console.log("Deployer address is %s", msg.sender);
+        console.log('Deployer address is %s', msg.sender);
     }
 }
diff --git a/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable.sol b/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable.sol
index 39a32f1..a37aeee 100644
--- a/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable.sol
+++ b/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable.sol
@@ -1,11 +1,11 @@
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
-import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
+import '@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol';
 
 contract SimpleTokenUpgradeable is ERC20Upgradeable {
     function __SimpleToken_init() external initializer {
-        __ERC20_init("Simple Token", "SIM");
+        __ERC20_init('Simple Token', 'SIM');
         _mint(msg.sender, 1000000 * (10 ** uint256(decimals())));
     }
 }
diff --git a/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable2.sol b/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable2.sol
index 392f087..de0973f 100644
--- a/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable2.sol
+++ b/examples/openzeppelin-token/contracts/SimpleTokenUpgradeable2.sol
@@ -1,11 +1,11 @@
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
-import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
+import '@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol';
 
 contract SimpleTokenUpgradeable2 is ERC20Upgradeable {
     function __SimpleToken_init() external initializer {
-        __ERC20_init("Simple Token", "SIM");
+        __ERC20_init('Simple Token', 'SIM');
         _mint(msg.sender, 1000000 * (10 ** uint256(decimals())));
     }
 }
diff --git a/src/types.ts b/src/types.ts
index 73fbfb4..25cd5ab 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,4 +1,4 @@
-import type TruffleResolver from "@truffle/resolver";
+import type TruffleResolver from '@truffle/resolver';
 
 export interface Logger extends Console {
   level(level: string): void;
diff --git a/src/util.ts b/src/util.ts
index 7cacc1b..c0186cb 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -1,4 +1,3 @@
-import fs from 'fs';
 import path from 'path';
 import { promisify } from 'util';
 import { INDENT, NULL_ADDRESS, StorageSlot } from './constants';
diff --git a/src/verifier/SourcifyVerifier.ts b/src/verifier/SourcifyVerifier.ts
index 130e9d7..2a582a3 100644
--- a/src/verifier/SourcifyVerifier.ts
+++ b/src/verifier/SourcifyVerifier.ts
@@ -58,17 +58,17 @@ export class SourcifyVerifier extends AbstractVerifier implements Verifier {
       if (result.storageTimestamp) return VerificationStatus.ALREADY_VERIFIED;
       if (result.status === 'partial') return VerificationStatus.PARTIAL;
       if (result.status === 'perfect') return VerificationStatus.SUCCESS;
-      return `${VerificationStatus.FAILED}: ${result?.message}`
+      return `${VerificationStatus.FAILED}: ${result?.message}`;
     } catch (error: any) {
       const errorResponse = error?.response?.data;
       const errorResponseMessage = errorResponse?.message ?? errorResponse?.error;
 
       this.logger.debug(`Error: ${error?.message}`);
-      logObject(this.logger, 'debug', error?.response?.data, 2)
+      logObject(this.logger, 'debug', error?.response?.data, 2);
 
       // If an error message is present in the checked response, this likely indicates a failed verification
       if (errorResponseMessage) {
-        return `${VerificationStatus.FAILED}: ${errorResponseMessage}`
+        return `${VerificationStatus.FAILED}: ${errorResponseMessage}`;
       }
 
       // If no message was passed in the response, this likely indicates a failed connection
diff --git a/src/verifier/Verifier.ts b/src/verifier/Verifier.ts
index c194414..872d86b 100644
--- a/src/verifier/Verifier.ts
+++ b/src/verifier/Verifier.ts
@@ -1,4 +1,3 @@
-import { VerificationStatus } from '../constants';
 import { Artifact, Options } from '../types';
 
 export interface Verifier {
diff --git a/src/verify.ts b/src/verify.ts
index 6885757..2c50d4a 100644
--- a/src/verify.ts
+++ b/src/verify.ts
@@ -1,6 +1,6 @@
+import TruffleResolver from '@truffle/resolver';
 import axios from 'axios';
 import tunnel from 'tunnel';
-import TruffleResolver from "@truffle/resolver";
 import { API_URLS, EXPLORER_URLS, INDENT, SUPPORTED_VERIFIERS, VERSION } from './constants';
 import { Logger, Options, TruffleConfig } from './types';
 import { enforce, getApiKey, getNetwork } from './util';