private async Task <BlockSummary> GetBlockSummary(IHeader header, UInt64 height, UInt64 topHeight)
{
var hashStr = Binary.ByteArrayToHexString(header.Hash);
var key = "blockSummary" + hashStr;
if (memoryCache_.TryGetValue(key, out BlockSummary ret))
{
return(ret);
}
using (var blockHeaderResult = await chain_.FetchBlockHeaderByHashTxSizesAsync(header.Hash))
{
Utils.CheckBitprimApiErrorCode(blockHeaderResult.ErrorCode,
"FetchBlockHeaderByHashTxSizesAsync(" + header.Hash + ") failed, check error log");
PoolInfo poolInfo;
using (DisposableApiCallResult <GetTxDataResult> coinbase = await chain_.FetchTransactionAsync(blockHeaderResult.Result.TransactionHashes[0], true))
{
Utils.CheckBitprimApiErrorCode(coinbase.ErrorCode, "FetchTransactionAsync(" + blockHeaderResult.Result.TransactionHashes[0] + ") failed, check error log");
poolInfo = poolsInfo_.GetPoolInfo(coinbase.Result.Tx);
}
var blockSummary = new BlockSummary
{
height = height,
size = blockHeaderResult.Result.SerializedBlockSize,
hash = Binary.ByteArrayToHexString(header.Hash),
time = header.Timestamp,
txlength = blockHeaderResult.Result.TransactionHashes.Count,
poolInfo = new DTOs.PoolInfo {
poolName = poolInfo.Name, url = poolInfo.Url
}
};
var confirmations = topHeight - height + 1;
if (confirmations >= Constants.Cache.BLOCK_CACHE_CONFIRMATIONS)
{
memoryCache_.Set(key, blockSummary, new MemoryCacheEntryOptions {
Size = Constants.Cache.BLOCK_CACHE_SUMMARY_SIZE
});
}
return(blockSummary);
}
}
public void SummarizeBlocks(int begin, int end)
{
//columns: blocknum, time, difficulty, valuein, valueout, reward, fees, version
OutputColumns();
for (int i = end; i >= begin; i--)
{
var s = new BlockSummary();
var hash = Bit.InvokeMethod("getblockhash", i)["result"];
var info = Bit.InvokeMethod("getblock", hash)["result"];
s.BlockNum = info["height"].ToObject <int>();
s.Version = info["version"].ToObject <int>();
s.Time = info["time"].ToObject <long>().AsUnixTimestamp().ToUniversalTime().ToString("MM/dd/yyyy HH:mm:ss");
s.Difficulty = info["difficulty"].ToObject <decimal>();
//tallies
decimal fees = 0M;
decimal reward = 0M;
decimal valuein = 0M;
decimal valueout = 0M;
//info about the genesis transaction is difficult to get at
if (i == 0)
{
WriteSummaryLine(s);
continue;
}
int txn = 0;
List <string> PayoutAddresses = new List <string>(2);
foreach (var t in info["tx"])
{
var txcode = Bit.InvokeMethod("getrawtransaction", t, 1)["result"];
if (txcode == null)
{
throw new NotSupportedException("apparently doesn't support getrawtransaction. such shitcoin");
}
bool coinbase = false;
decimal txin = 0M;
decimal txout = 0M;
foreach (var vin in txcode["vin"])
{
if (vin["coinbase"] != null)
{
coinbase = true;
//mined
continue;
}
txin += GetValueOut(vin["txid"].ToString(), vin["vout"].ToObject <int>());
}
foreach (var vout in txcode["vout"])
{
decimal tmp = vout["value"].ToObject <decimal>();
if (coinbase)
{
reward += tmp;
var pubkey = vout["scriptPubKey"];
if (pubkey != null && pubkey["addresses"] != null)
{
foreach (var address in pubkey["addresses"])
{
PayoutAddresses.Add(address.ToString());
}
}
}
txout += tmp;
}
if (!coinbase)
{
decimal txfees = txin - txout;
if (txfees < 0)
{
if (txn == 1 &&
decimal.Parse(txcode["vout"][0]["value"].ToString()) == 0M &&
txcode["vout"][0]["scriptPubKey"]["asm"].ToString() == "" &&
reward == 0)
{
//PoS reward
reward += -txfees;
txfees = 0;
s.Type = "PoS";
}
else
{
throw new ApplicationException("This transaction appears to have negative fees. This could mean the network has an exploit, or that this code can't handle some portion of it");
}
}
fees = txfees;
}
s.TxCount++;
valuein += txin;
valueout += txout;
txn++;
}
//this is by no means meant to be exact or secure. It is only for eye balling where rewards go for blocks and what pool it's going to
string payouts = ""; //ugh not possible with linq?!
foreach (var addr in PayoutAddresses)
{
payouts += addr;
}
var hasher = new RIPEMD160Managed();
s.AddressHash = BitConverter.ToString(hasher.ComputeHash(Encoding.ASCII.GetBytes(payouts))).Replace("-", "").ToLower().Substring(0, 6);
s.ValueIn = valuein;
s.ValueOut = valueout;
s.Fees = fees;
s.Reward = reward - fees;
WriteSummaryLine(s);
}
}
void WriteSummaryLine(BlockSummary s)
{
Console.WriteLine("{0,-10} {1,-20} {2,-15} {3,-10} {4,-20} {5,-20} {6,-20} {7,-20} {8,-10} {9,-6} {10,-10}", s.BlockNum, s.Time, s.Difficulty, s.TxCount, s.ValueIn, s.ValueOut, s.Reward, s.Fees, s.Version, s.Type, s.AddressHash);
}
