private Hash SettleSwapToExternal(Hash sourceHash, string destPlatform)
{
var swap = OracleReader.ReadTransaction(DomainSettings.PlatformName, DomainSettings.RootChainName, sourceHash);
var transfers = swap.Transfers.Where(x => x.destinationAddress.IsInterop).ToArray();
// TODO not support yet
if (transfers.Length != 1)
{
Logger.Warning($"Not implemented: Swap support for multiple transfers in a single transaction");
return(Hash.Null);
}
var transfer = transfers[0];
var token = Nexus.GetTokenInfo(Nexus.RootStorage, transfer.Symbol);
lock (StateModificationLock)
{
var destHash = GetSettleHash(DomainSettings.PlatformName, sourceHash);
Logger.Debug("settleHash in settleswap: " + destHash);
if (destHash != Hash.Null)
{
return(destHash);
}
if (!_swappers.ContainsKey(destPlatform))
{
return(Hash.Null); // just in case, should never happen
}
var chainSwapper = _swappers[destPlatform];
destHash = chainSwapper.SettleSwap(sourceHash, transfer.destinationAddress, token, transfer.Value);
// if the asset transfer was sucessfull, we prepare a fee settlement on the mainnet
if (destHash != Hash.Null)
{
var pendingList = new StorageList(PendingTag, this.Storage);
var settle = new PendingFee()
{
sourceHash = sourceHash, destinationHash = destHash, settleHash = Hash.Null, time = DateTime.UtcNow, status = SwapStatus.Settle
};
pendingList.Add <PendingFee>(settle);
}
return(destHash);
}
}
private void ProcessBlock(InteropBlock block, ref List <PendingSwap> result)
{
foreach (var txHash in block.Transactions)
{
var interopTx = OracleReader.ReadTransaction(BSCWallet.BSCPlatform, "bsc", txHash);
foreach (var interopTransfer in interopTx.Transfers)
{
result.Add(
new PendingSwap(
this.PlatformName
, txHash
, interopTransfer.sourceAddress
, interopTransfer.interopAddress)
);
}
}
}
private void ProcessBlock(InteropBlock block, List <PendingSwap> result)
{
foreach (var txHash in block.Transactions)
{
var interopTx = OracleReader.ReadTransaction("neo", "neo", txHash);
if (interopTx.Transfers.Length == 0)
{
continue;
}
if (interopTx.Transfers.Length == 0)
{
continue;
}
InteropTransfer transfer;
if (interopTx.Transfers.Length != 1)
{
var sources = interopTx.Transfers.Select(x => x.sourceAddress).Distinct();
if (sources.Count() > 1)
{
throw new OracleException("neo transfers with multiple source addresses not supported yet");
}
var dests = interopTx.Transfers.Select(x => x.destinationAddress).Distinct();
if (dests.Count() > 1)
{
throw new OracleException("neo transfers with multiple destination addresses not supported yet");
}
var interops = interopTx.Transfers.Select(x => x.interopAddress).Distinct();
if (interops.Count() > 1)
{
throw new OracleException("neo transfers with multiple interop addresses not supported yet");
}
var symbols = interopTx.Transfers.Select(x => x.Symbol).Distinct();
if (symbols.Count() > 1)
{
throw new OracleException("neo transfers with multiple tokens not supported yet");
}
PBigInteger sum = 0;
foreach (var temp in interopTx.Transfers)
{
sum += temp.Value;
}
var first = interopTx.Transfers.First();
if (first.Data != null && first.Data.Length > 0)
{
throw new OracleException("neo transfers with custom data are not supported yet");
}
transfer = new InteropTransfer(first.sourceChain, first.sourceAddress, first.destinationChain, first.destinationAddress, first.interopAddress, first.Symbol, sum);
}
else
{
transfer = interopTx.Transfers.First();
}
if (transfer.sourceAddress == transfer.destinationAddress) // ignore this tx, this is a utxo consolidation
{
continue;
}
result.Add(
new PendingSwap(
this.PlatformName
, txHash
, transfer.sourceAddress
, transfer.interopAddress)
);
}
}