private static Block CreateGenesis(NetworkParameters networkParameters)
{
var genesisBlock = new Block(networkParameters);
var transaction = new Transaction(networkParameters);
// A script containing the difficulty bits and the following message:
// "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"
var bytes = Hex.Decode("04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73");
transaction.AddInput(new TransactionInput(networkParameters, transaction, bytes));
using (var scriptPubKeyBytes = new MemoryStream())
{
Script.WriteBytes(scriptPubKeyBytes,Hex.Decode("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"));
scriptPubKeyBytes.Write(Script.OpCheckSig);
transaction.AddOutput(new TransactionOutput(networkParameters, transaction, scriptPubKeyBytes.ToArray()));
}
genesisBlock.AddTransaction(transaction);
return genesisBlock;
}
/// <summary>
/// Returns a solved block that builds on top of this one. This exists for unit tests.
/// </summary>
internal Block CreateNextBlock(Address toAddress, uint time)
{
var block = new Block(NetworkParameters) {TargetDifficulty = _targetDifficulty};
block.AddCoinbaseTransaction(EmptyBytes);
// Add a transaction paying 50 coins to the "to" address.
var transaction = new Transaction(NetworkParameters);
transaction.AddOutput(new TransactionOutput(NetworkParameters, transaction, Utils.ToNanoCoins(50, 0),
toAddress));
// The input does not really need to be a valid signature, as long as it has the right general form.
var input = new TransactionInput(NetworkParameters, transaction,
Script.CreateInputScript(EmptyBytes, EmptyBytes));
// Importantly the outpoint hash cannot be zero as that's how we detect a coinbase transaction in isolation
// but it must be unique to avoid 'different' transactions looking the same.
var counter = new byte[32];
counter[0] = (byte) _transactionCounter++;
input.Outpoint.Hash = new Sha256Hash(counter);
transaction.AddInput(input);
block.AddTransaction(transaction);
block.PreviousBlockHash = Hash;
block.TimeSeconds = time;
block.Solve();
block.VerifyHeader();
return block;
}