private BlockChain CreateChainWithTransactions(int i)
{
var blockChain = new BlockChain($"transactionTest{i}.chain");
if (blockChain.Size() == 1)
{
var block1 = blockChain.GetNextBlock();
var transaction1 = new Transaction
{
To = "dillon",
From = "",
Amount = 23
};
block1.Alpha = 0;
block1.TimeStamp = DateTime.Now;
block1.Data = SerializeObject(new List <Transaction>
{
transaction1
});
blockChain.AddNextBlock(block1);
}
return(blockChain);
}
public void TestVerifyChainFailure_BlockPrevHashModified()
{
var blockChain = new BlockChain();
var block1 = blockChain.GetNextBlock();
block1.Data = "eli snores";
block1.Alpha = 21;
block1.TimeStamp = DateTime.Now;
block1.PreviousHash = "ppop";
Assert.False(blockChain.AddNextBlock(block1));
}
public void TestVerifyChainFailure_BlockIndexModified()
{
var blockChain = new BlockChain();
var block1 = blockChain.GetNextBlock();
block1.Data = "eli snores";
block1.Alpha = 21;
block1.TimeStamp = DateTime.Now;
block1.Index = 0;
Assert.Throws <ArgumentException>(() => blockChain.AddNextBlock(block1));
}
public void TestVerifyChainSuccess()
{
var blockChain = new BlockChain();
var block1 = blockChain.GetNextBlock();
block1.Data = "eli snores";
block1.Alpha = 21;
block1.TimeStamp = DateTime.Now;
blockChain.AddNextBlock(block1);
var block2 = blockChain.GetNextBlock();
block2.Data = "eli sleep talks";
block2.Alpha = 2;
block2.TimeStamp = DateTime.Now;
blockChain.AddNextBlock(block2);
Assert.True(blockChain.VerifyChain());
}
public void TestVerifyChain_UnloadinLoading()
{
var blockChain = new BlockChain();
var block = blockChain.GetNextBlock();
block.Data = "hi";
block.Alpha = 1;
block.TimeStamp = DateTime.Now;
blockChain.AddNextBlock(block);
blockChain.Dispose();
var loadedChain = new BlockChain("dotcoin.chain");
Assert.True(loadedChain.Size() == 2);
}