protected override async Task RefundTimeReachedHandler(
Swap swap,
CancellationToken cancellationToken = default)
{
Log.Debug("Refund time reached for swap {@swapId}", swap.Id);
try
{
var isRefundedResult = await TezosSwapRefundedHelper.IsRefundedAsync(
swap : swap,
currency : XtzConfig,
attempts : MaxRefundCheckAttempts,
attemptIntervalInSec : RefundCheckAttemptIntervalInSec,
cancellationToken : cancellationToken)
.ConfigureAwait(false);
if (!isRefundedResult.HasError)
{
if (isRefundedResult.Value)
{
await RefundConfirmedEventHandler(swap, swap.RefundTx, cancellationToken)
.ConfigureAwait(false);
}
else
{
await RefundAsync(swap, cancellationToken)
.ConfigureAwait(false);
}
}
}
catch (Exception e)
{
Log.Error(e, "Error in refund time reached handler");
}
}
public override async Task RedeemAsync(
Swap swap,
CancellationToken cancellationToken = default)
{
var xtzConfig = XtzConfig;
var secretResult = await TezosSwapRedeemedHelper
.IsRedeemedAsync(
swap : swap,
currency : xtzConfig,
attempts : MaxRedeemCheckAttempts,
attemptIntervalInSec : RedeemCheckAttemptIntervalInSec,
cancellationToken : cancellationToken)
.ConfigureAwait(false);
if (!secretResult.HasError && secretResult.Value != null)
{
await RedeemConfirmedEventHandler(swap, null, cancellationToken)
.ConfigureAwait(false);
return;
}
if (swap.StateFlags.HasFlag(SwapStateFlags.IsRedeemBroadcast) &&
swap.RedeemTx != null &&
swap.RedeemTx.CreationTime != null &&
swap.RedeemTx.CreationTime.Value.ToUniversalTime() + TimeSpan.FromMinutes(5) > DateTime.UtcNow)
{
// redeem already broadcast
_ = TrackTransactionConfirmationAsync(
swap: swap,
currency: xtzConfig,
dataRepository: _account.DataRepository,
txId: swap.RedeemTx.Id,
confirmationHandler: RedeemConfirmedEventHandler,
cancellationToken: cancellationToken);
return;
}
// check already refunded by initiator
if (swap.IsAcceptor &&
swap.TimeStamp.ToUniversalTime().AddSeconds(DefaultInitiatorLockTimeInSeconds) < DateTime.UtcNow)
{
var isRefundedByParty = await TezosSwapRefundedHelper
.IsRefundedAsync(swap, xtzConfig, cancellationToken)
.ConfigureAwait(false);
if (isRefundedByParty != null &&
!isRefundedByParty.HasError &&
isRefundedByParty.Value)
{
swap.StateFlags |= SwapStateFlags.IsUnsettled;
await UpdateSwapAsync(swap, SwapStateFlags.IsUnsettled, cancellationToken)
.ConfigureAwait(false);
return;
}
}
if (swap.IsInitiator)
{
var redeemDeadline = swap.TimeStamp.ToUniversalTime().AddSeconds(DefaultAcceptorLockTimeInSeconds) - RedeemTimeReserve;
if (DateTime.UtcNow > redeemDeadline)
{
Log.Error("Redeem dedline reached for swap {@swap}", swap.Id);
return;
}
}
Log.Debug("Create redeem for swap {@swapId}", swap.Id);
var walletAddress = await _account
.GetAddressAsync(swap.RedeemFromAddress, cancellationToken)
.ConfigureAwait(false);
if (walletAddress == null)
{
Log.Error("Can't get address {@address} for redeem from local db", swap.RedeemFromAddress);
return;
}
var feeAmountInMtz = xtzConfig.RedeemFee + xtzConfig.RevealFee;
var storageLimitInMtz = xtzConfig.RedeemStorageLimit * xtzConfig.StorageFeeMultiplier;
if (walletAddress.Balance.ToMicroTez() < feeAmountInMtz + storageLimitInMtz)
{
Log.Error("Insufficient funds for redeem");
return;
}
var redeemTx = new TezosTransaction
{
Currency = xtzConfig.Name,
CreationTime = DateTime.UtcNow,
From = walletAddress.Address,
To = xtzConfig.SwapContractAddress,
Amount = 0,
Fee = xtzConfig.RedeemFee + xtzConfig.RevealFee,
GasLimit = xtzConfig.RedeemGasLimit,
StorageLimit = xtzConfig.RedeemStorageLimit,
Params = CreateRedeemParams(swap),
Type = BlockchainTransactionType.Output | BlockchainTransactionType.SwapRedeem,
UseRun = true,
UseSafeStorageLimit = true,
UseOfflineCounter = true
};
try
{
await _account.AddressLocker
.LockAsync(redeemTx.From, cancellationToken)
.ConfigureAwait(false);
using var securePublicKey = _account.Wallet
.GetPublicKey(xtzConfig, walletAddress.KeyIndex, walletAddress.KeyType);
// fill operation
var(fillResult, isRunSuccess, hasReveal) = await redeemTx
.FillOperationsAsync(
securePublicKey : securePublicKey,
tezosConfig : xtzConfig,
headOffset : TezosConfig.HeadOffset,
cancellationToken : cancellationToken)
.ConfigureAwait(false);
var signResult = await SignTransactionAsync(redeemTx, cancellationToken)
.ConfigureAwait(false);
if (!signResult)
{
Log.Error("Transaction signing error");
return;
}
swap.RedeemTx = redeemTx;
swap.StateFlags |= SwapStateFlags.IsRedeemSigned;
await UpdateSwapAsync(swap, SwapStateFlags.IsRedeemSigned, cancellationToken)
.ConfigureAwait(false);
await BroadcastTxAsync(swap, redeemTx, cancellationToken)
.ConfigureAwait(false);
}
catch
{
throw;
}
finally
{
_account.AddressLocker.Unlock(redeemTx.From);
}
swap.RedeemTx = redeemTx;
swap.StateFlags |= SwapStateFlags.IsRedeemBroadcast;
await UpdateSwapAsync(swap, SwapStateFlags.IsRedeemBroadcast, cancellationToken)
.ConfigureAwait(false);
_ = TrackTransactionConfirmationAsync(
swap: swap,
currency: xtzConfig,
dataRepository: _account.DataRepository,
txId: redeemTx.Id,
confirmationHandler: RedeemConfirmedEventHandler,
cancellationToken: cancellationToken);
}
public override async Task RedeemAsync(
Swap swap,
CancellationToken cancellationToken = default)
{
var xtz = Xtz;
var secretResult = await TezosSwapRedeemedHelper
.IsRedeemedAsync(
swap : swap,
currency : xtz,
attempts : MaxRedeemCheckAttempts,
attemptIntervalInSec : RedeemCheckAttemptIntervalInSec,
cancellationToken : cancellationToken)
.ConfigureAwait(false);
if (!secretResult.HasError && secretResult.Value != null)
{
RedeemConfirmedEventHandler(swap, null, cancellationToken);
return;
}
if (swap.StateFlags.HasFlag(SwapStateFlags.IsRedeemBroadcast) &&
swap.RedeemTx != null &&
swap.RedeemTx.CreationTime != null &&
swap.RedeemTx.CreationTime.Value.ToUniversalTime() + TimeSpan.FromMinutes(5) > DateTime.UtcNow)
{
// redeem already broadcast
TrackTransactionConfirmationAsync(
swap: swap,
currency: xtz,
txId: swap.RedeemTx.Id,
confirmationHandler: RedeemConfirmedEventHandler,
cancellationToken: cancellationToken)
.FireAndForget();
return;
}
// check already refunded by initiator
if (swap.IsAcceptor &&
swap.TimeStamp.ToUniversalTime().AddSeconds(DefaultInitiatorLockTimeInSeconds) < DateTime.UtcNow)
{
var isRefundedByParty = await TezosSwapRefundedHelper
.IsRefundedAsync(swap, xtz, cancellationToken)
.ConfigureAwait(false);
if (isRefundedByParty != null &&
!isRefundedByParty.HasError &&
isRefundedByParty.Value)
{
swap.StateFlags |= SwapStateFlags.IsUnsettled;
RaiseSwapUpdated(swap, SwapStateFlags.IsUnsettled);
return;
}
}
if (swap.IsInitiator)
{
var redeemDeadline = swap.TimeStamp.ToUniversalTime().AddSeconds(DefaultAcceptorLockTimeInSeconds) - RedeemTimeReserve;
if (DateTime.UtcNow > redeemDeadline)
{
Log.Error("Redeem dedline reached for swap {@swap}", swap.Id);
return;
}
}
Log.Debug("Create redeem for swap {@swapId}", swap.Id);
var walletAddress = (await _account
.GetUnspentAddressesAsync(
toAddress: swap.ToAddress,
amount: 0,
fee: 0,
feePrice: 0,
feeUsagePolicy: FeeUsagePolicy.EstimatedFee,
addressUsagePolicy: AddressUsagePolicy.UseOnlyOneAddress,
transactionType: BlockchainTransactionType.SwapRedeem,
cancellationToken: cancellationToken)
.ConfigureAwait(false))
.FirstOrDefault();
if (walletAddress == null)
{
Log.Error("Insufficient funds for redeem");
return;
}
var redeemTx = new TezosTransaction
{
Currency = xtz,
CreationTime = DateTime.UtcNow,
From = walletAddress.Address,
To = xtz.SwapContractAddress,
Amount = 0,
Fee = xtz.RedeemFee + xtz.RevealFee,
GasLimit = xtz.RedeemGasLimit,
StorageLimit = xtz.RedeemStorageLimit,
Params = RedeemParams(swap),
UseDefaultFee = true,
Type = BlockchainTransactionType.Output | BlockchainTransactionType.SwapRedeem
};
var signResult = await SignTransactionAsync(redeemTx, cancellationToken)
.ConfigureAwait(false);
if (!signResult)
{
Log.Error("Transaction signing error");
return;
}
swap.RedeemTx = redeemTx;
swap.StateFlags |= SwapStateFlags.IsRedeemSigned;
RaiseSwapUpdated(swap, SwapStateFlags.IsRedeemSigned);
await BroadcastTxAsync(swap, redeemTx, cancellationToken)
.ConfigureAwait(false);
swap.RedeemTx = redeemTx;
swap.StateFlags |= SwapStateFlags.IsRedeemBroadcast;
RaiseSwapUpdated(swap, SwapStateFlags.IsRedeemBroadcast);
TrackTransactionConfirmationAsync(
swap: swap,
currency: xtz,
txId: redeemTx.Id,
confirmationHandler: RedeemConfirmedEventHandler,
cancellationToken: cancellationToken)
.FireAndForget();
}