public async Task IndexCashinEventsForErc20Deposits()
{
var indexerStatusResponse = await _indexerApi.ApiIsAliveGetWithHttpMessagesAsync();
if (indexerStatusResponse.Response.IsSuccessStatusCode)
{
var responseContent = await indexerStatusResponse.Response.Content.ReadAsStringAsync();
var indexerStatus = JObject.Parse(responseContent);
var lastIndexedBlock = BigInteger.Parse(indexerStatus["blockchainTip"].Value <string>());
var lastSyncedBlock = await GetLastSyncedBlockNumber(HotWalletMarker);
while (lastSyncedBlock <= lastIndexedBlock)
{
//Get all transfers from block
var transfersResponse = await _indexerApi.ApiErc20TransferHistoryGetErc20TransfersPostAsync
(
new GetErc20TransferHistoryRequest
{
BlockNumber = (long)lastSyncedBlock,
}
);
switch (transfersResponse)
{
case IEnumerable <Erc20TransferHistoryResponse> transfers:
foreach (var transfer in transfers)
{
// Ignore transfers from not deposit contract addresses
var checkResult = await _depositContractService.ContainsWithTypeAsync(transfer.To);
if (!checkResult.Item1)
{
continue;
}
string trHash = transfer.TransactionHash ?? "";
string id =
(await _airHotWalletCashoutTransactionRepository.GetByTransactionHashAsync(trHash))
?.OperationId ??
(await _lpHotWalletCashoutTransactionRepository.GetByTransactionHashAsync(trHash))
?.OperationId ?? null;
await _rabbitQueuePublisher.PublshEvent(new TransferEvent(id,
transfer.TransactionHash,
transfer.TransferAmount,
transfer.Contract,
transfer.FromProperty,
transfer.To,
transfer.BlockHash,
(ulong)transfer.BlockNumber,
SenderType.Customer,
EventType.Detected,
(Job.EthereumCore.Contracts.Enums.LykkePay.WorkflowType)checkResult.Item2,
DateTime.UtcNow
));
}
break;
case ApiException exception:
throw new Exception($"Ethereum indexer responded with error: {exception.Error.Message}");
default:
throw new Exception($"Ethereum indexer returned unexpected response");
}
var blockCurrent = (await _indexerApi.ApiBlockNumberByBlockNumberGetAsync((long)lastSyncedBlock)) as BlockResponse;
if (blockCurrent == null)
{
return;
}
var parentBlock = await _blockSyncedRepository.GetByPartitionAndHashAsync(HotWalletMarker, blockCurrent.ParentHash);
if (parentBlock == null)
{
lastSyncedBlock--;
await _blockSyncedRepository.DeleteByPartitionAndHashAsync(HotWalletMarker, blockCurrent.ParentHash);
continue;
}
await _blockSyncedRepository.InsertAsync(new BlockSyncedByHash()
{
BlockNumber = lastSyncedBlock.ToString(),
Partition = HotWalletMarker,
BlockHash = blockCurrent.BlockHash
});
lastSyncedBlock++;
}
}
else
{
throw new Exception("Can not obtain ethereum indexer status.");
}
}
