| static private WriteUint32BE ( System data, long index ) : void | ||
| data | System | |
| index | long | |
| return | void | |
public byte[] UntrustedHashSign(KeyPath keyPath, UserPin pin, LockTime lockTime, SigHash sigHashType)
{
MemoryStream data = new MemoryStream();
byte[] path = Serializer.Serialize(keyPath);
BufferUtils.WriteBuffer(data, path);
var pinBytes = pin == null ? new byte[0] : pin.ToBytes();
data.WriteByte((byte)pinBytes.Length);
BufferUtils.WriteBuffer(data, pinBytes);
BufferUtils.WriteUint32BE(data, (uint)lockTime);
data.WriteByte((byte)sigHashType);
return(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_HASH_SIGN, (byte)0x00, (byte)0x00, data.ToArray()));
}
public async Task <TrustedInput> GetTrustedInputAsync(Transaction transaction, int outputIndex, CancellationToken cancellation = default(CancellationToken))
{
if (outputIndex >= transaction.Outputs.Count)
{
throw new ArgumentOutOfRangeException("outputIndex is bigger than the number of outputs in the transaction", "outputIndex");
}
List <byte[]> apdus = new List <byte[]>();
MemoryStream data = new MemoryStream();
// Header
BufferUtils.WriteUint32BE(data, outputIndex);
BufferUtils.WriteBuffer(data, transaction.Version);
VarintUtils.write(data, transaction.Inputs.Count);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, (byte)0x00, (byte)0x00, data.ToArray()));
// Each input
foreach (var input in transaction.Inputs)
{
data = new MemoryStream();
BufferUtils.WriteBuffer(data, input.PrevOut);
VarintUtils.write(data, input.ScriptSig.Length);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, (byte)0x80, (byte)0x00, data.ToArray()));
data = new MemoryStream();
BufferUtils.WriteBuffer(data, input.ScriptSig.ToBytes());
apdus.AddRange(CreateApduSplit2(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, (byte)0x80, (byte)0x00, data.ToArray(), Utils.ToBytes(input.Sequence, true)));
}
// Number of outputs
data = new MemoryStream();
VarintUtils.write(data, transaction.Outputs.Count);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, (byte)0x80, (byte)0x00, data.ToArray()));
// Each output
foreach (var output in transaction.Outputs)
{
data = new MemoryStream();
BufferUtils.WriteBuffer(data, Utils.ToBytes((ulong)output.Value.Satoshi, true));
VarintUtils.write(data, output.ScriptPubKey.Length);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, (byte)0x80, (byte)0x00, data.ToArray()));
data = new MemoryStream();
BufferUtils.WriteBuffer(data, output.ScriptPubKey.ToBytes());
apdus.AddRange(CreateAPDUSplit(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, (byte)0x80, (byte)0x00, data.ToArray()));
}
// Locktime
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, (byte)0x80, (byte)0x00, transaction.LockTime.ToBytes()));
byte[] response = await ExchangeApdusAsync(apdus.ToArray(), OK, cancellation).ConfigureAwait(false);
return(new TrustedInput(response));
}
private List <byte[]> GetTrustedInputAPDUs(Transaction transaction, int outputIndex)
{
if (outputIndex >= transaction.Outputs.Count)
{
throw new ArgumentOutOfRangeException("outputIndex is bigger than the number of outputs in the transaction", "outputIndex");
}
var apdus = new List <byte[]>();
var data = new MemoryStream();
// Header
BufferUtils.WriteUint32BE(data, outputIndex);
BufferUtils.WriteBuffer(data, transaction.Version);
VarintUtils.write(data, transaction.Inputs.Count);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, 0x00, 0x00, data.ToArray()));
// Each input
foreach (var input in transaction.Inputs)
{
data = new MemoryStream();
BufferUtils.WriteBuffer(data, input.PrevOut);
VarintUtils.write(data, input.ScriptSig.Length);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, 0x80, 0x00, data.ToArray()));
data = new MemoryStream();
BufferUtils.WriteBuffer(data, input.ScriptSig.ToBytes());
apdus.AddRange(CreateApduSplit2(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, 0x80, 0x00, data.ToArray(), Utils.ToBytes(input.Sequence, true)));
}
// Number of outputs
data = new MemoryStream();
VarintUtils.write(data, transaction.Outputs.Count);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, 0x80, 0x00, data.ToArray()));
// Each output
foreach (var output in transaction.Outputs)
{
data = new MemoryStream();
BufferUtils.WriteBuffer(data, Utils.ToBytes((ulong)output.Value.Satoshi, true));
VarintUtils.write(data, output.ScriptPubKey.Length);
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, 0x80, 0x00, data.ToArray()));
data = new MemoryStream();
BufferUtils.WriteBuffer(data, output.ScriptPubKey.ToBytes());
apdus.AddRange(CreateAPDUSplit(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, 0x80, 0x00, data.ToArray()));
}
// Locktime
apdus.Add(CreateAPDU(LedgerWalletConstants.LedgerWallet_CLA, LedgerWalletConstants.LedgerWallet_INS_GET_TRUSTED_INPUT, 0x80, 0x00, transaction.LockTime.ToBytes()));
return(apdus);
}
