private async Task IndexBlocksAsync(long blockNumber, long lastConfirmedBlockNumber)
{
var batchSize = _blockBatchSize ?? 1000;
var processEventsTasks = new List <Task>();
for (var i = blockNumber; i <= lastConfirmedBlockNumber; i += batchSize)
{
var batchTo = Math.Min(i + batchSize, lastConfirmedBlockNumber);
var transactionLogs = await _ethereumNodeJobClient.GetTransactionsLogs(blockNumber, batchTo);
var processLogsTask = ProcessEventLogs(transactionLogs);
processEventsTasks.Add(processLogsTask);
}
await Task.WhenAll(processEventsTasks);
await _indexingStateRepository.SaveLastIndexedBlockNumber(lastConfirmedBlockNumber);
_lastIndexedBlock = lastConfirmedBlockNumber;
_log.Info($"Blocks from [{blockNumber}] to [{lastConfirmedBlockNumber}] has been indexed.");
}
private async Task <IndexedBlock> IndexBlockAsync(
long blockNumber)
{
var block = await _web3.Eth.Blocks.GetBlockWithTransactionsHashesByNumber.SendRequestAsync(blockNumber);
#region Logging
_log.Debug
(
$"Got block [{blockNumber}] from RPC node.",
new { BlockNumber = blockNumber }
);
#endregion
// workaround to decrease the num,ber of parallel calls to blockchain node
var transactions = await _web3.Eth.Transactions.GetTransactionsAsync(block.TransactionHashes);
var receipts = await _web3.Eth.Transactions.GetReceiptsAsync(block.TransactionHashes);
#region Logging
_log.Debug
(
$"Got {block.TransactionHashes.Length} transactions and receipts for block [{blockNumber}] from RPC node.",
new { BlockNumber = blockNumber }
);
#endregion
var indexedBlock = NethereumBlockMapper.MapBlock(block, transactions, receipts);
await Task.WhenAll(
_transactionRepository.SaveBlockTransactionsAsync(indexedBlock),
_indexingStateRepository.SaveLastIndexedBlockNumber(indexedBlock.Number));
#region Logging
_log.Debug
(
$"Block [{blockNumber}] has been saved to DB.",
new { BlockNumber = blockNumber }
);
#endregion
return(indexedBlock);
}
private async Task <bool> IndexBlockAsync(long blockNumber, string context)
{
_log.Info($"Block {blockNumber} indexing started", context: context);
var blockWithTransactions =
await _retryPolicy.ExecuteAsync(() => _ethNodeClient.GetBlockWithTransactionHashesAsync(blockNumber));
if (blockWithTransactions == null)
{
return(false);
}
var transactionReceipts =
await _retryPolicy.ExecuteAsync(() => _ethNodeClient.GetTransactionReceiptsAsync(blockWithTransactions));
if (transactionReceipts.Any(receipts => receipts == null))
{
return(false);
}
_log.Info($"Info about block", context: new
{
blockNumber,
blockWithTransactions.Number,
Count = blockWithTransactions.TransactionHashes?.Length,
blockWithTransactions.Timestamp,
blockWithTransactions.Nonce,
blockWithTransactions.Author
});
foreach (var transactionReceipt in transactionReceipts)
{
if (transactionReceipt.Status.Value == 1)
{
var undecodedEvents = ProcessUndecodedEvents(transactionReceipt);
var collectedFeesEvents = ProcessFeeCollectedEvents(transactionReceipt);
var completedTransactionEvents = ProcessCompletedTransactionAsync(transactionReceipt);
var processCustomerRegisteredEvents = ProcessCustomerRegisteredEvents(transactionReceipt);
var processMintEvents = ProcessMintEvents(transactionReceipt);
var processTransferEvents = ProcessTransferEvents(transactionReceipt);
var processStakeIncreasedEvents = ProcessStakeIncreasedEvents(transactionReceipt);
var processStakeDecreasedEvents = ProcessStakeDecreasedEvents(transactionReceipt);
var processSeizedFromEvents = ProcessSeizedEvents(transactionReceipt);
await Task.WhenAll(
completedTransactionEvents,
processCustomerRegisteredEvents,
processMintEvents,
processTransferEvents,
undecodedEvents,
processStakeDecreasedEvents,
processStakeIncreasedEvents,
collectedFeesEvents,
processSeizedFromEvents);
}
else
{
await ProcessFailedTransactionAsync(transactionReceipt);
}
}
await _indexingStateRepository.SaveLastIndexedBlockNumber(blockNumber);
_lastIndexedBlock = blockNumber;
#region Logging
_log.Info(
$"Block [{blockNumber}] has been indexed.",
new { blockNumber, blockHash = blockWithTransactions.BlockHash, context });
#endregion
return(true);
}