fix: swiflint issues in ETHRegistrarController.swift

Author: JeneaVranceanu

Sources/web3swift/Utils/ENS/ETHRegistrarController.swift

@@ -15,9 +15,11 @@ public extension ENS {
         public let address: EthereumAddress
 
         lazy var contract: Web3.Contract = {
+            // swiftlint:disable force_unwrapping
             let contract = self.web3.contract(Web3.Utils.ethRegistrarControllerABI, at: self.address, abiVersion: 2)
             precondition(contract != nil)
             return contract!
+            // swiftlint:enable force_unwrapping
         }()
 
         lazy var defaultTransaction: CodableTransaction = {
@@ -31,28 +33,28 @@ public extension ENS {
 
         public func getRentPrice(name: String, duration: UInt) async throws -> BigUInt {
             guard let transaction = self.contract.createReadOperation("rentPrice", parameters: [name, duration]) else { throw Web3Error.transactionSerializationError }
-            guard let result = try? await transaction.callContractMethod() else {throw Web3Error.processingError(desc: "Can't call transaction")}
+            guard let result = try? await transaction.callContractMethod() else { throw Web3Error.processingError(desc: "Can't call transaction") }
             guard let price = result["0"] as? BigUInt else { throw Web3Error.processingError(desc: "Can't get answer") }
             return price
         }
 
         public func checkNameValidity(name: String) async throws -> Bool {
             guard let transaction = self.contract.createReadOperation("valid", parameters: [name]) else { throw Web3Error.transactionSerializationError }
-            guard let result = try? await transaction.callContractMethod() else {throw Web3Error.processingError(desc: "Can't call transaction")}
+            guard let result = try? await transaction.callContractMethod() else { throw Web3Error.processingError(desc: "Can't call transaction") }
             guard let valid = result["0"] as? Bool else { throw Web3Error.processingError(desc: "Can't get answer") }
             return valid
         }
 
         public func isNameAvailable(name: String) async throws -> Bool {
             guard let transaction = self.contract.createReadOperation("available", parameters: [name]) else { throw Web3Error.transactionSerializationError }
-            guard let result = try? await transaction.callContractMethod() else {throw Web3Error.processingError(desc: "Can't call transaction")}
+            guard let result = try? await transaction.callContractMethod() else { throw Web3Error.processingError(desc: "Can't call transaction") }
             guard let available = result["0"] as? Bool else { throw Web3Error.processingError(desc: "Can't get answer") }
             return available
         }
 
         public func calculateCommitmentHash(name: String, owner: EthereumAddress, secret: String) async throws -> Data {
             guard let transaction = self.contract.createReadOperation("makeCommitment", parameters: [name, owner.address, secret]) else { throw Web3Error.transactionSerializationError }
-            guard let result = try? await transaction.callContractMethod() else {throw Web3Error.processingError(desc: "Can't call transaction")}
+            guard let result = try? await transaction.callContractMethod() else { throw Web3Error.processingError(desc: "Can't call transaction") }
             guard let hash = result["0"] as? Data else { throw Web3Error.processingError(desc: "Can't get answer") }
             return hash
         }
@@ -65,7 +67,7 @@ public extension ENS {
         }
 
         public func registerName(from: EthereumAddress, name: String, owner: EthereumAddress, duration: UInt, secret: String, price: String) throws -> WriteOperation {
-            guard let amount = Utilities.parseToBigUInt(price, units: .ether) else {throw Web3Error.inputError(desc: "Wrong price: no way for parsing to ether units")}
+            guard let amount = Utilities.parseToBigUInt(price, units: .ether) else { throw Web3Error.inputError(desc: "Wrong price: no way for parsing to ether units") }
             defaultTransaction.value = amount
             defaultTransaction.from = from
             defaultTransaction.to = self.address
@@ -74,7 +76,7 @@ public extension ENS {
         }
 
         public func extendNameRegistration(from: EthereumAddress, name: String, duration: UInt32, price: String) throws -> WriteOperation {
-            guard let amount = Utilities.parseToBigUInt(price, units: .ether) else {throw Web3Error.inputError(desc: "Wrong price: no way for parsing to ether units")}
+            guard let amount = Utilities.parseToBigUInt(price, units: .ether) else { throw Web3Error.inputError(desc: "Wrong price: no way for parsing to ether units") }
             defaultTransaction.value = amount
             defaultTransaction.from = from
             defaultTransaction.to = self.address