LocalTestCase async fix

Author: yaroslavyaroslav

Tests/web3swiftTests/localTests/LocalTestCase.swift

@@ -8,37 +8,38 @@ import web3swift
 // while this class does show up in the navigator, it has no associated tests
 class LocalTestCase: XCTestCase {
     static let url = URL.init(string: "http://127.0.0.1:8545")!
-    let ganache = try! Web3.new(LocalTestCase.url)
     static var isSetUp = false
 
     override class func setUp() {
         super.setUp()
 
-        // check to see if we need to run the one-time setup
-        if isSetUp { return }
-        isSetUp = true
+        Task {
+            // check to see if we need to run the one-time setup
+            if isSetUp { return }
+            isSetUp = true
 
-        let web3 = try! Web3.new(LocalTestCase.url)
+            let web3 = try! await Web3.new(LocalTestCase.url)
 
-        let block = try! web3.eth.getBlockNumber()
-        if block >= 25 { return }
+            let block = try! await web3.eth.getBlockNumber()
+            if block >= 25 { return }
 
-        print("\n ****** Preloading Ganache (\(25 - block) blocks) *****\n")
+            print("\n ****** Preloading Ganache (\(25 - block) blocks) *****\n")
 
-        let allAddresses = try! web3.eth.getAccounts()
-        let sendToAddress = allAddresses[0]
-        let contract = web3.contract(Web3.Utils.coldWalletABI, at: sendToAddress, abiVersion: 2)
-        let value = Web3.Utils.parseToBigUInt("1.0", units: .eth)
+            let allAddresses = try! await web3.eth.getAccounts()
+            let sendToAddress = allAddresses[0]
+            let contract = web3.contract(Web3.Utils.coldWalletABI, at: sendToAddress, abiVersion: 2)
+            let value = Web3.Utils.parseToBigUInt("1.0", units: .eth)
 
-        let from = allAddresses[0]
-        let writeTX = contract!.write("fallback")!
-        writeTX.transactionOptions.from = from
-        writeTX.transactionOptions.value = value
-        writeTX.transactionOptions.gasLimit = .manual(78423)
-        writeTX.transactionOptions.gasPrice = .manual(20000000000)
+            let from = allAddresses[0]
+            let writeTX = contract!.write("fallback")!
+            writeTX.transactionOptions.from = from
+            writeTX.transactionOptions.value = value
+            writeTX.transactionOptions.gasLimit = .manual(78423)
+            writeTX.transactionOptions.gasPrice = .manual(20000000000)
 
-        for _ in block..<25 {
-            let _ = try! writeTX.sendPromise(password: "").wait()
+            for _ in block..<25 {
+                let _ = try! await writeTX.send(password: "")
+            }
         }
     }
 }