public static double getBalance(string pubkey)
{
double balance = 0.0;
string[] files = System.IO.Directory.GetFiles(System.IO.Directory.GetCurrentDirectory() + "\\Chain\\");
int count = 0;
foreach (string file in files)
{
string index = count.ToString("0000000000");
Block b = Serialize.ReadBlock(index);
Ledger l = b.GetData();
balance += l.getBalance(pubkey);
count++;
}
return(balance);
}
public async Task <bool> LoadBlockchain()
{
// TODO: When loading chain confirm integrity against peers
string[] files = System.IO.Directory.GetFiles(System.IO.Directory.GetCurrentDirectory() + "\\Chain\\");
await Task.Run(() =>
{
foreach (string file in files)
{
string index = ConvertToChainString(blockHeight);
Block b = Serialize.ReadBlock(index);
if (blockHeight > 0)
{
// Testing: Compare hashes
// MessageBox.Show(chain.ElementAt(blockHeight - 1).HashBlock() + "\n\n" + b.previousHash);
// Check to see if blockchain was tampered with
if (b.previousHash != chain.ElementAt(blockHeight - 1).HashBlock())
{
//MessageBox.Show("Chain has been modified. Exiting...");
//break;
}
}
chain.Add(b);
blockHeight++;
network.blockheight = blockHeight;
}
// Start timer to keep chain in sync
timer.Enabled = true;
previousBlock = chain.ElementAt(blockHeight - 1);
currentBlock = new Block();
currentBlock.NewBlock(blockHeight, previousBlock.HashBlock());
});
return(true);
}
private Block LoadGenesisBlock()
{
return(Serialize.ReadBlock("0000000000"));
}