private async Task SyncContractsChanged(Event contractsChangedEvent, ulong fromBlockNumber, ulong toBlockNumber,
Contract hubContract, Web3 web3, MySqlConnection connection, int blockchainID)
{
var eventsOfChange = await contractsChangedEvent.GetAllChangesDefault(
contractsChangedEvent.CreateFilterInput(new BlockParameter(fromBlockNumber),
new BlockParameter(toBlockNumber)));
foreach (var eventLog in eventsOfChange)
{
Function setContractAddressFunction = hubContract.GetFunction("setContractAddress");
var transaction = await web3.Eth.Transactions.GetTransactionByHash.SendRequestAsync(eventLog.Log.TransactionHash);
var data = setContractAddressFunction.DecodeInput(transaction.Input);
if (data == null)
{
continue;
}
var contractName = (string)data.First(d => d.Parameter.Name == "contractName").Result;
var newContractAddress = (string)data.First(d => d.Parameter.Name == "newContractAddress").Result;
if (Enum.TryParse(typeof(ContractTypeEnum), contractName, true, out var result))
{
await OTContract.InsertOrUpdate(connection,
new OTContract(fromBlockNumber, fromBlockNumber)
{
Address = newContractAddress,
IsLatest = false,
Type = (int)result,
BlockchainID = blockchainID
}, true);
}
}
await HubAddress.UpdateSyncBlockNumber(connection, blockchainID, hubContract.Address, toBlockNumber);
}
private async Task <HubAddress> GetHubAddressModel(MySqlConnection connection, string hubAddress,
int blockchainID, bool isLatest)
{
ulong fromBlockNumber = await connection.ExecuteScalarAsync <UInt64>(
"SELECT FromBlockNumber FROM blockchains where id = @id", new
{
id = blockchainID
});
if (!await HubAddress.Exists(connection, blockchainID, hubAddress))
{
await HubAddress.Insert(connection, blockchainID, hubAddress, fromBlockNumber);
}
HubAddress hubAddressModel = await HubAddress.GetByID(connection, blockchainID, hubAddress);
if (!isLatest && !hubAddressModel.DateReplaced.HasValue)
{
await HubAddress.MarkAsReplaced(connection, blockchainID, hubAddress);
}
return(hubAddressModel);
}
private async Task PopulateSmartContracts(MySqlConnection connection, string hubAddress, bool isLatest,
int blockchainID, BlockchainType blockchain, BlockchainNetwork network)
{
var web3 = await GetWeb3(connection, blockchainID, blockchain);
EthApiService eth = new EthApiService(web3.Client);
var hubContract = new Contract(eth, AbiHelper.GetContractAbi(ContractTypeEnum.Hub, blockchain, network),
hubAddress);
HubAddress hubAddressModel = await GetHubAddressModel(connection, hubAddress, blockchainID, isLatest);
if (blockchain == BlockchainType.Ethereum && network == BlockchainNetwork.Mainnet)
{
await PopulateOriginalETHContracts(connection, blockchainID, hubAddressModel.FromBlockNumber);
}
Event contractsChangedEvent = hubContract.GetEvent("ContractsChanged");
ulong diff = (ulong)LatestBlockNumber.Value - hubAddressModel.SyncBlockNumber;
ulong size = (ulong)10000;
beforeSync:
if (diff > size)
{
ulong currentStart = hubAddressModel.SyncBlockNumber;
ulong currentEnd = currentStart + size;
if (currentEnd > LatestBlockNumber.Value)
{
currentEnd = (ulong)LatestBlockNumber.Value;
}
bool canRetry = true;
while (currentStart == 0 || currentStart < LatestBlockNumber.Value)
{
start:
try
{
await SyncContractsChanged(contractsChangedEvent,
currentStart, currentEnd,
hubContract, web3, connection, blockchainID);
}
catch (RpcResponseException ex) when(ex.Message.Contains("query returned more than"))
{
size = size / 2;
Logger.WriteLine(Source.BlockchainSync, "Swapping to block sync size of " + size);
goto beforeSync;
}
catch (RpcClientUnknownException ex) when(canRetry &&
ex.GetBaseException().Message.Contains("Gateway"))
{
canRetry = false;
goto start;
}
currentStart = currentEnd;
currentEnd = currentStart + size;
if (currentEnd > LatestBlockNumber.Value)
{
currentEnd = (ulong)LatestBlockNumber.Value;
}
}
}
else
{
await SyncContractsChanged(contractsChangedEvent,
hubAddressModel.SyncBlockNumber, (ulong)LatestBlockNumber.Value,
hubContract, web3, connection, blockchainID);
}
await SyncLatestContractsOnHub(hubAddressModel.FromBlockNumber, hubContract, connection, blockchainID, isLatest);
}
