private List <MinedBlockInfo> GetWholeChainFromPeer(Peer peer)
{
var resp = HttpUtils.DoApiGet <List <MinedBlockInfoResponse> >(peer.Url, GET_SYNC_BLOCKCHAIN_API_PATH);
var chain = resp?.ConvertAll(i =>
new MinedBlockInfo(MiningBlockInfo.FromMinedBlockInfo(i))
{
DateCreated = i.DateCreated,
Nonce = i.Nonce
});
return(chain);
}
private bool IsPeersBlockValid(MinedBlockInfo block)
{
var mbi = new MinedBlockInfo(MiningBlockInfo.FromMinedBlockInfo(block))
{
Nonce = block.Nonce,
DateCreated = block.DateCreated,
};
var isGenesisBlock = block.Index == 0;
var hashCoversDifficulty = mbi.BlockHash.StartsWith("".PadLeft(appSettings.Difficulty, '0'));
var hashesMatch = mbi.BlockHash == block.BlockHash;
return(hashesMatch && (hashCoversDifficulty || isGenesisBlock));
}
public MiningBlockInfo GetMiningBlockInfo(string address)
{
lock (dbService.GetTransactionsLockObject())
{
var transactions = new List <Transaction>(dbService.GetTransactions().ToArray());//shallow copy, so we can keep a snapshot
var lbi = dbService.GetLastBlock().Index + 1;
//reward for the miner
var t = new Transaction()
{
DateCreated = DateTime.UtcNow,
Fee = 0,
To = address,
Value = appSettings.MinerReward + transactions.Aggregate(0, (sum, tr) => sum + tr.Fee),
From = ZERO_HASH,
MinedInBlockIndex = lbi,
TransferSuccessful = true
};
t.TransactionHashHex = t.CalculateTransactionHashHex();
transactions.Insert(0, t);
var info = new MiningBlockInfo
{
Difficulty = appSettings.Difficulty,
Index = lbi,
MinedBy = address,
PreviousBlockHash = dbService.GetLastBlock().BlockHash,
Transactions = transactions
};
dbService.AddMiningInfo(info);
return(MiningBlockInfoResponse.FromMiningBlockInfo(info));
}
}
public void AddMiningInfo(MiningBlockInfo info)
{
allBlockInfos.TryAdd(info.BlockDataHash, info);
}