public async Task <Transaction> GetTransactionFromNodeAsync(string transactionHash) { var body = new Models.Node.JsonRpcBody("eth_getTransactionByHash", 1); body.AddParam(transactionHash); var client = new RestClient(GetNodeUrl()); var request = new RestRequest(Method.POST); request.AddParameter("application/json; charset=utf-8", Newtonsoft.Json.JsonConvert.SerializeObject(body), ParameterType.RequestBody); request.RequestFormat = DataFormat.Json; var cancellationTokenSource = new CancellationTokenSource(); var restResponse = await client.ExecuteTaskAsync(request, cancellationTokenSource.Token); if (restResponse.StatusCode == HttpStatusCode.OK) { var response = Newtonsoft.Json.JsonConvert.DeserializeObject <Models.Node.GetTransactionResponse>(restResponse.Content); return(response.result != null?ConversionService.Convert(response.result) : null); } else { if (string.IsNullOrEmpty(restResponse.Content)) { throw new Exception($"Error posting to node: {restResponse.ErrorException}"); } else { throw new Exception($"Error posting to node: {restResponse.Content}"); } } }
public async Task <Models.DTOs.Block> GetBlockFromNodeAsync(ulong blockNumber) { var body = new Models.Node.JsonRpcBody("eth_getBlockByNumber", 1); body.AddParam(blockNumber.ToHexString()); body.AddParam(true); var client = new RestClient(GetNodeUrl()); var request = new RestRequest(Method.POST); request.AddParameter("application/json; charset=utf-8", JsonConvert.SerializeObject(body), ParameterType.RequestBody); request.RequestFormat = DataFormat.Json; var cancellationTokenSource = new CancellationTokenSource(); var restResponse = await client.ExecuteTaskAsync(request, cancellationTokenSource.Token); if (restResponse.StatusCode == HttpStatusCode.OK) { var response = JsonConvert.DeserializeObject <Models.Node.GetBlockResponse>(restResponse.Content); return(ConversionService.Convert(response.result)); } else { if (string.IsNullOrEmpty(restResponse.Content)) { throw new Exception($"Error posting to node: {restResponse.ErrorException}"); } else { throw new Exception($"Error posting to node: {restResponse.Content}"); } } }
public async Task <List <Transaction> > GetPendingTransactionsFromNodeAsync() { var body = new Models.Node.JsonRpcBody("eth_getBlockByNumber", 1); body.AddParam("pending"); body.AddParam(true); var client = new RestClient(GetNodeUrl()); var request = new RestRequest(Method.POST); request.AddParameter("application/json; charset=utf-8", Newtonsoft.Json.JsonConvert.SerializeObject(body), ParameterType.RequestBody); request.RequestFormat = DataFormat.Json; var cancellationTokenSource = new CancellationTokenSource(); var restResponse = await client.ExecuteTaskAsync(request, cancellationTokenSource.Token); if (restResponse.StatusCode == HttpStatusCode.OK) { var response = Newtonsoft.Json.JsonConvert.DeserializeObject <Models.Node.GetBlockResponse>(restResponse.Content); var transactions = new List <Transaction>(); if (response.result != null) { foreach (var transaction in response.result.transactions) { transactions.Add(ConversionService.Convert(transaction)); } } return(transactions); } else { if (string.IsNullOrEmpty(restResponse.Content)) { throw new Exception($"Error posting to node: {restResponse.ErrorException}"); } else { throw new Exception($"Error posting to node: {restResponse.Content}"); } } }