chore: formatting in Web3+Signing.swift

Author: JeneaVranceanu

Sources/web3swift/Web3/Web3+Signing.swift

@@ -2,7 +2,7 @@
 //  Created by Alex Vlasov.
 //  Copyright © 2018 Alex Vlasov. All rights reserved.
 //
-// Refactor to support EIP-2718 Enveloping by Mark Loit 2022
+//  Refactor to support EIP-2718 Enveloping by Mark Loit 2022
 
 import Foundation
 import BigInt
@@ -27,7 +27,9 @@ public struct Web3Signer {
         var privateKey = try keystore.UNSAFE_getPrivateKeyData(password: password, account: account)
         defer { Data.zero(&privateKey) }
         guard let hash = Utilities.hashPersonalMessage(personalMessage) else { return nil }
-        let (compressedSignature, _) = SECP256K1.signForRecovery(hash: hash, privateKey: privateKey, useExtraEntropy: useExtraEntropy)
+        let (compressedSignature, _) = SECP256K1.signForRecovery(hash: hash,
+                                                                 privateKey: privateKey,
+                                                                 useExtraEntropy: useExtraEntropy)
         return compressedSignature
     }
 
@@ -38,15 +40,15 @@ public struct Web3Signer {
                                   password: String? = nil,
                                   chainId: BigUInt? = nil) throws -> Data {
 
-        let domainSeparator: EIP712DomainHashable = EIP712Domain(chainId: chainId, verifyingContract: verifyingContract)
-
-        let password = password ?? ""
+        let domainSeparator: EIP712Hashable = EIP712Domain(chainId: chainId, verifyingContract: verifyingContract)
         let hash = try eip712encode(domainSeparator: domainSeparator, message: eip712Hashable)
-
-        guard let signature = try Web3Signer.signPersonalMessage(hash, keystore: keystore, account: account, password: password) else {
+        guard let signature = try Web3Signer.signPersonalMessage(hash,
+                                                                 keystore: keystore,
+                                                                 account: account,
+                                                                 password: password ?? "")
+        else {
             throw Web3Error.dataError
         }
-
         return signature
     }
 }