/// <summary>
/// A private method to process transactions from API and store as ledgers in local data store.
/// </summary>
/// <param name="txs">Transactions from API</param>
/// <returns>None.</returns>
private async Task ProcessingLedger(ApiTransactionCollections txs)
{
if (txs.txs.Count() > 0)
{
foreach (var tx in txs.txs)
{
tx.blockheight = await api.GetBlockHeight(tx.blockhash);
var record = tx.ToLedger(contract, contractService);
if (record != null && !ledger.Exists(Query.EQ("TxId", record.TxId)))
{
record.Status = ProcessStatus.NotProcessed;
ledger.Upsert(record);
}
}
ledger.EnsureIndex(l => l.TxId);
ledger.EnsureIndex(l => l.Blockheight);
ledger.EnsureIndex(l => l.Operation);
ledger.EnsureIndex(l => l.TokenSenderHash);
ledger.EnsureIndex(l => l.TokenReceiverHash);
ledger.EnsureIndex(l => l.Time);
contract.LastSyncedBlock = txs.txs.Max(t => t.blockheight);
contractService.UpdateContract(contract);
}
}
public async Task <ApiTransactionCollections> GetAllTransaction(string address, int limitHeight = 0)
{
int count = 3;
while (count >= 0)
{
try
{
int i = 0;
int totalPage = 1;
ApiTransactionCollections allTxs = new ApiTransactionCollections();
allTxs.txs = new List <ApiTransaction>();
bool stopLimit = false;
while (i < totalPage && !stopLimit)
{
var result = await client.GetStringAsync($"/api/txs/?address={address}&pageNum={i}"); //not respond when Disconnect
var tempTxs = JsonConvert.DeserializeObject <ApiTransactionCollections>(result);
totalPage = tempTxs.pagesTotal;
foreach (var tx in tempTxs.txs)
{
var height = await GetBlockHeight(tx.blockhash);
if (height > limitHeight)
{
allTxs.txs.Add(tx);
}
else
{
stopLimit = true;
break;
}
}
i++;
}
allTxs.pagesTotal = i;
return(allTxs);
}
catch (Exception)
{
Thread.Sleep(3000);
count--;
continue;
}
}
throw new Exception("Cannot connect to API block explorer.");
}
public async Task <ApiTransactionCollections> GetAllTransactionByPage(string address, int page = 0)
{
ApiTransactionCollections allTxs = new ApiTransactionCollections();
allTxs.txs = new List <ApiTransaction>();
var result = await client.GetStringAsync($"/api/txs/?address={address}&pageNum={page}");
var tempTxs = JsonConvert.DeserializeObject <ApiTransactionCollections>(result);
return(tempTxs);
//foreach (var tx in tempTxs.txs)
//{
// allTxs.txs.Add(tx);
//}
//allTxs.pagesTotal = page;
//return allTxs;
}