private bool CalculateValidity()
{
string difficultyMarker = new string('0', this.Difficulty);
for (int i = 0; i < this.Length; i++)
{
Bloq <T> currentBloq = this.chain[i];
if (!currentBloq.Hash.StartsWith(difficultyMarker))
{
return(false);
}
if (currentBloq.Hash != currentBloq.CalculateHash())
{
return(false);
}
if (i < this.Length - 1)
{
Bloq <T> nextBloq = this.chain[i + 1];
if (nextBloq.PreviousHash != currentBloq.Hash)
{
return(false);
}
}
}
return(true);
}
public void AddBloq(T data)
{
if (EqualityComparer <T> .Default.Equals(data, default(T)))
{
throw new ArgumentException("The data you are trying to add is the default for the type. Use actual data for the bloq", nameof(data));
}
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
Bloq <T> bloqToAdd = new Bloq <T>(this.Length, 0, DateTime.UtcNow, data, this.chain[this.Length - 1].Hash);
bloqToAdd.Mine(this.Difficulty);
this.chain.Add(bloqToAdd);
}
public BloqChain(int difficulty)
{
if (difficulty < 0)
{
throw new ArgumentOutOfRangeException(nameof(difficulty), "Difficulty must be zero a positive number");
}
this.Difficulty = difficulty;
var genesisBloq = new Bloq <T>();
genesisBloq.Mine(this.Difficulty);
this.chain = new List <Bloq <T> >
{
genesisBloq
};
}
