public Block GenerateBlock(
ByteArray blockHash,
ByteArray transactionHash,
InputInfo[] inputs,
OutputInfo[] outputs)
{
BlockHeader blockHeader = new BlockHeader()
{
BlockHash = blockHash,
BlockNonce = 0,
BlockTargetDifficulty = 0,
BlockTimestamp = this.GetCurrentBlockTimeStamp(),
BlockTimestampUnix = 0,
BlockVersion = 1,
MerkleRootHash = ByteArray.Empty,
PreviousBlockHash = this.previousBlockHash,
};
this.blockTimeStamp = this.blockTimeStamp.AddDays(1);
string expectedFileName = string.Format(CultureInfo.InvariantCulture, "blk{0:00000}.dat", this.GetCurentBlockchainFileIndex());
Block block = new Block(expectedFileName, blockHeader);
Transaction transaction = new Transaction()
{
TransactionHash = transactionHash,
TransactionLockTime = 0,
TransactionVersion = 1,
};
foreach (InputInfo inputInfo in inputs)
{
TransactionInput transactionInput = new TransactionInput()
{
InputScript = ByteArray.Empty,
SourceTransactionHash = inputInfo.SourceTransactionHash,
SourceTransactionOutputIndex = inputInfo.SourceTransactionOutputIndex,
};
transaction.AddInput(transactionInput);
}
foreach (OutputInfo outputInfo in outputs)
{
TransactionOutput transactionOutput = new TransactionOutput()
{
OutputScript = ByteArray.Empty,
OutputValueSatoshi = (ulong)(outputInfo.OutputValueSatoshi * DatabaseGenerator.BtcToSatoshi),
};
transaction.AddOutput(transactionOutput);
}
block.AddTransaction(transaction);
this.previousBlockHash = block.BlockHeader.BlockHash;
return block;
}
/// <summary>
/// Adds a new input to the list of transaction inputs.
/// </summary>
/// <param name="transactionInput">
/// The transaction input to be added to the list of transaction inputs.
/// </param>
public void AddInput(TransactionInput transactionInput)
{
this.transactionInputs.Add(transactionInput);
}
/// <summary>
/// Adds a new input to the list of transaction inputs.
/// </summary>
/// <param name="transactionInput">
/// The transaction input to be added to the list of transaction inputs.
/// </param>
public void AddInput(TransactionInput transactionInput)
{
this.transactionInputs.Add(transactionInput);
}
/// <summary>
/// Parses a Bitcoin transaction input.
/// </summary>
/// <param name="blockMemoryStreamReader">
/// Provides access to a section of the Bitcoin blockchain file.
/// </param>
/// <returns>
/// The Bitcoin transaction input that was parsed.
/// </returns>
private static TransactionInput ParseTransactionInput(BlockMemoryStreamReader blockMemoryStreamReader)
{
TransactionInput transactionInput = new TransactionInput();
transactionInput.SourceTransactionHash = new ByteArray(blockMemoryStreamReader.ReadBytes(32).ReverseByteArray());
transactionInput.SourceTransactionOutputIndex = blockMemoryStreamReader.ReadUInt32();
int scriptLength = (int)blockMemoryStreamReader.ReadVariableLengthInteger();
// Ignore the script portion.
transactionInput.InputScript = new ByteArray(blockMemoryStreamReader.ReadBytes(scriptLength));
// Ignore the sequence number.
blockMemoryStreamReader.SkipBytes(4);
return transactionInput;
}