private static async Task BuyCard()
{
var accountEtherBalance = await web3.Eth.GetBalance.SendRequestAsync(account.Address);
var accountLinkBalance = Web3.Convert.FromWei(await CsService.GetLinkBalanceQueryAsync(account.Address));
Console.WriteLine($" Account: {account.Address}\n Ether Balance: {Web3.Convert.FromWei(accountEtherBalance)}\n Link Balance: {accountLinkBalance}\n");
// Approving the contract to use 1 link.
var approveHandler = web3.Eth.GetContractTransactionHandler <ApproveFunction>();
var approve = new ApproveFunction()
{
Spender = ScratchContractAddress,
TokenAmount = Web3.Convert.ToWei(1)
};
await approveHandler.SendRequestAndWaitForReceiptAsync("0xa36085F69e2889c224210F603D836748e7dC0088", approve);
// Get Price of a card.
//var LinkPrice = await CsService.RequestLinkPriceQueryAsync();
//var CardValue = Web3.Convert.FromWei((2000000000000000000 / LinkPrice) * 100000000);
// Getting ScratchCardRound handler.
var address = await CsService.GetCardRoundQueryAsync();
Console.WriteLine($"Card Round address: {address}");
ScratchCardRoundService RS = new ScratchCardRoundService(web3, address);
var CardValue = Web3.Convert.FromWei(await RS.GetCardPriceQueryAsync() + 100000000000000000);
Console.WriteLine($"Price of Card: {CardValue} \n");
Console.WriteLine("Buying card...");
// Generating a seed
Random rand = new Random();
uint seed = (uint)rand.Next();
var buyCard = await CsService.BuyScatchCardRequestAndWaitForReceiptAsync(seed);
// Getting the RequestID emited from the BuyScratchCard Request.
var RequestID = buyCard.DecodeAllEvents <RequestIDEventDTO>()[0].Event.RequestId.ToHex();
//Console.WriteLine($"RequestID: {RequestID}");
/*
* var fulfillHandler = CsService.ContractHandler.GetEvent<RequestFulfilledEventDTO>();
*
* var filterFulfill = fulfillHandler.CreateFilterInput();
*
* while (true)
* {
* var requests = await fulfillHandler.GetAllChanges(filterFulfill);
* if(requests.Count > 0)
* {
* Console.WriteLine($"Raw Random Number: {requests[0].Event.Randomness}");
* break;
* }
*
* }*/
var PrizeEventHandler = RS.ContractHandler.GetEvent <PrizeClaimEventDTO>();
var filterPrizeEvents = PrizeEventHandler.CreateFilterInput();
decimal prize = 0;
// Getting the PrizeClaim event with the correct RequestID
while (true)
{
var allRequestEvents = await PrizeEventHandler.GetAllChanges(filterPrizeEvents);
if (allRequestEvents.Count > 0)
{
bool brk = false;
foreach (EventLog <PrizeClaimEventDTO> e in allRequestEvents)
{
//Console.WriteLine($"Scratch Card result, Address: {e.Event.Player}, RequestID: {e.Event.RequestId.ToHex()}, Prize Number: {e.Event.Number}, Prize: {Web3.Convert.FromWei(e.Event.Prize)}\n");
if (e.Event.RequestId.ToHex().Equals(RequestID))
{
Console.WriteLine($"Scratch Card result, Address: {e.Event.Player}, RequestID: {e.Event.RequestId.ToHex()}, Prize Number: {e.Event.Number}, Prize: {Web3.Convert.FromWei(e.Event.Prize)}\n");
prize = Web3.Convert.FromWei(e.Event.Prize);
brk = true;
}
}
if (brk)
{
break;
}
}
}
Console.WriteLine($"Initial Account Link Balance: {accountLinkBalance}, Card Value: {CardValue}, Prize value: {prize}");
Console.WriteLine($"Expected Link Balance: {accountLinkBalance - CardValue + prize}\n");
accountLinkBalance = Web3.Convert.FromWei(await CsService.GetLinkBalanceQueryAsync(account.Address));
Console.WriteLine($"Link Balance: {accountLinkBalance}\n");
var ScratchTokenAddress = await CsService.GetTokenQueryAsync();
ScratchTokenService tokenService = new ScratchTokenService(web3, ScratchTokenAddress);
var ScratchTokenBalance = await tokenService.BalanceOfQueryAsync(account.Address);
Console.WriteLine($"Scratch Token Balance: {ScratchTokenBalance}");
}
