public async Task <BlockTemplate> GetBlockTemplate()
{
var httpClient = _httpClientFactory.BuildClient();
var jObj = new JObject();
jObj.Add("id", Guid.NewGuid().ToString());
jObj.Add("method", Constants.RpcOperations.Getblocktemplate);
var content = new StringContent(jObj.ToString(), System.Text.Encoding.UTF8, ContentType);
var request = new HttpRequestMessage
{
Method = HttpMethod.Post,
Content = content,
RequestUri = GetUri()
};
var response = await httpClient.SendAsync(request).ConfigureAwait(false);
var json = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
string errorCode = null;
var jsonObj = JObject.Parse(json);
if (TryGetError(jsonObj, out errorCode))
{
throw new RpcException(errorCode);
}
var resultObj = jsonObj.GetValue("result") as JObject;
if (resultObj == null)
{
return(null);
}
return(BlockTemplate.Deserialize(resultObj));
}
public static BlockTemplate Deserialize(JObject jObj)
{
if (jObj == null)
{
throw new ArgumentNullException(nameof(jObj));
}
var result = new BlockTemplate();
var coinBaseTxn = jObj.SelectToken("coinbasetxn");
if (coinBaseTxn != null)
{
var coinBaseTxnDataObj = coinBaseTxn as JObject;
if (coinBaseTxnDataObj != null)
{
JToken coinBaseTxnDataToken = null;
if (coinBaseTxnDataObj.TryGetValue("data", out coinBaseTxnDataToken))
{
var data = coinBaseTxnDataToken.ToString().FromHexString();
result.CoinBaseTx = BaseTransaction.Deserialize(data).Key as BcBaseTransaction;
}
}
}
JToken previousBlockHashToken = null;
if (jObj.TryGetValue("previousblockhash", out previousBlockHashToken))
{
result.PreviousBlockHash = previousBlockHashToken.ToString().FromHexString();
}
JToken transactionsToken = null;
if (jObj.TryGetValue("transactions", out transactionsToken))
{
var transactionsArr = transactionsToken as JArray;
if (transactionsArr != null)
{
var transactions = new List <BaseTransaction>();
foreach (var transactionObj in transactionsArr)
{
transactions.Add(BaseTransaction.Deserialize(transactionObj.ToString().FromHexString()).Key);
}
result.Transactions = transactions;
}
}
JToken heightToken = null;
if (jObj.TryGetValue("height", out heightToken))
{
result.Height = int.Parse(heightToken.ToString());
}
JToken versionToken = null;
if (jObj.TryGetValue("version", out versionToken))
{
result.Version = int.Parse(versionToken.ToString());
}
JToken curTimeToken = null;
if (jObj.TryGetValue("curtime", out curTimeToken))
{
result.CurrentTime = uint.Parse(curTimeToken.ToString());
}
JToken bitsToken = null;
if (jObj.TryGetValue("bits", out bitsToken))
{
result.Bits = uint.Parse(bitsToken.ToString());
}
JToken targetToken = null;
if (jObj.TryGetValue("target", out targetToken))
{
result.Target = targetToken.ToString().FromHexString().ToArray();
}
JToken expiresToken = null;
if (jObj.TryGetValue("expires", out expiresToken))
{
result.Expires = double.Parse(expiresToken.ToString());
}
return(result);
}
