private void SubscribeToChannels()
{
foreach (var channelInfo in typeof(Constants.PUBSUB_CHANNEL).GetProperties())
{
_ILogger.LogInformation($"Subscribing to Channel : {channelInfo.Name}");
this.Subscriber.Subscribe(string.Concat("*", "-", channelInfo.Name)).OnMessage(channelMessage =>
{
//Note: exceptions are caught and discarded by StackExchange.Redis here, to prevent cascading failures. To handle failures, use a try/catch inside your handler to do as you wish with any exceptions.
//Discard Self published message
if (((string)channelMessage.Channel).StartsWith(Constants.PUBSUB_CHANNEL_PPREFIX))
{
_ILogger.LogInformation($"Discarded Self Published Message from Channel : {(string)channelMessage.Channel}");
return;
}
_ILogger.LogInformation($"Channel : {(string)channelMessage.Channel} => {(string)channelMessage.Message} ");
switch (((string)channelMessage.Channel).Substring(37, ((string)channelMessage.Channel).Length - 37))
{
case "BLOCKCHAIN":
try
{
var newChain = JsonConvert.DeserializeObject <ReadOnlyCollection <Block> >(channelMessage.Message);
if (this._IBlockChain.ReplaceChain(newChain))
{
_ITransactionPool.ClearBlockchainTransaction(this._IBlockChain.LocalChain);
}
}
catch (Exception ex)
{
_ILogger.LogError(ex, $"Error while processing a message from Channel : BLOCKCHAIN");
}
break;
case "TRANSACTION":
try
{
var newTransaction = JsonConvert.DeserializeObject <Transaction>(channelMessage.Message);
this._ITransactionPool.SetTransaction(newTransaction);
}
catch (Exception ex)
{
_ILogger.LogError(ex, $"Error while processing a message from Channel : TRANSACTION");
}
break;
default:
_ILogger.LogInformation($"Discarded a message from Channel : {(string)channelMessage.Channel}");
break;
}
});
}
}
public async Task MineTransaction()
{
//ToDo
//get transaction pool's valid transactions
//generate the miner reward
//add a block consisting of these transactions to the blockchain
//broadcast the updated blockchain
//clear the pool
var validTransactions = _ITransactionPool.ValidTransactions();
var minerReward = Transaction.RewardTransaction(this._IWallet);
validTransactions.Add(minerReward);
_IBlockChain.AddBlock(validTransactions);
await _IRedis.BroadcastChain();
_ITransactionPool.ClearBlockchainTransaction(_IBlockChain.LocalChain);
}
