private async Task <BroadcastTxResponse> PostTxAsync(TxJsonRpcRequest tx)
{
string body = JsonConvert.SerializeObject(tx);
Logger.Log(LogTag, "PostTx Body: " + body);
byte[] bodyRaw = new UTF8Encoding().GetBytes(body);
using (var r = new UnityWebRequest(this.writeUrl, "POST"))
{
r.uploadHandler = (UploadHandler) new UploadHandlerRaw(bodyRaw);
r.downloadHandler = (DownloadHandler) new DownloadHandlerBuffer();
r.SetRequestHeader("Content-Type", "application/json");
await r.SendWebRequest();
this.HandleError(r);
if (r.downloadHandler != null && !String.IsNullOrEmpty(r.downloadHandler.text))
{
Logger.Log(LogTag, "Response: " + r.downloadHandler.text);
return(JsonConvert.DeserializeObject <BroadcastTxResponse>(r.downloadHandler.text));
}
}
return(null);
}
/// <summary>
/// Commits a transaction to the DAppChain.
/// </summary>
/// <param name="tx">Transaction to commit.</param>
/// <returns>Commit metadata.</returns>
public async Task <BroadcastTxResult> CommitTxAsync(IMessage tx)
{
byte[] txBytes = tx.ToByteArray();
if (this.TxMiddleware != null)
{
txBytes = await this.TxMiddleware.Handle(txBytes);
}
string payload = CryptoBytes.ToBase64String(txBytes);
Logger.Log(LogTag, "Tx: " + payload);
var req = new TxJsonRpcRequest("broadcast_tx_commit", new string[] { payload }, Guid.NewGuid().ToString());
var resp = await this.PostTxAsync(req);
var result = resp.Result;
if (result != null)
{
if (result.CheckTx.Code != 0)
{
if (string.IsNullOrEmpty(result.CheckTx.Error))
{
throw new Exception(String.Format("Failed to commit Tx: {0}", result.CheckTx.Code));
}
throw new Exception(String.Format("Failed to commit Tx: {0}", result.CheckTx.Error));
}
if (result.DeliverTx.Code != 0)
{
if (string.IsNullOrEmpty(result.DeliverTx.Error))
{
throw new Exception(String.Format("Failed to commit Tx: {0}", result.DeliverTx.Code));
}
throw new Exception(String.Format("Failed to commit Tx: {0}", result.DeliverTx.Error));
}
}
return(result);
}