public static string ToHex(this ISerializedType st)
{
BytesList list = new BytesList();
st.ToBytes(list);
return(list.BytesHex());
}
public void Prepare(IKeyPair keyPair, Amount fee, UInt32 sequence, UInt32 lastLedgerSequence)
{
// This won't always be specified
if (lastLedgerSequence != null)
{
Txn.Add(UInt32.LastLedgerSequence, lastLedgerSequence);
}
Txn.Add(UInt32.Sequence, sequence);
Txn.Add(Amount.Fee, fee);
Txn.Add(VariableLength.SigningPubKey, keyPair.PubBytes());
if (Transaction.CanonicalFlagDeployed)
{
Txn.SetCanonicalSignatureFlag();
}
SigningHash = Txn.SigningHash();
if (PreviousSigningHash != null && SigningHash.Equals(PreviousSigningHash))
{
return;
}
try
{
byte[] signature = keyPair.Sign(SigningHash.Bytes);
Txn.Add(VariableLength.TxnSignature, signature);
var blob = new BytesList();
Hash256.HalfSha512 id = Hash256.Prefixed256(HashPrefix.TransactionId);
Txn.ToBytesSink(new MultiSink(blob, id));
TxBlob = blob.BytesHex();
Hash = id.Finish();
}
catch (Exception e)
{
// electric paranoia
PreviousSigningHash = null;
throw new ApplicationException("Something went wrong.", e);
}
PreviousSigningHash = SigningHash;
}