public void Serialize(BitcoinStream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
// Write the utxo
// If there is a non-witness utxo, then don't serialize the witness one.
if (witness_utxo != null)
{
// key
stream.ReadWriteAsVarInt(ref defaultKeyLen);
var key = PSBTConstants.PSBT_IN_WITNESS_UTXO;
stream.ReadWrite(ref key);
// value
var data = witness_utxo.ToBytes();
stream.ReadWriteAsVarString(ref data);
}
if (non_witness_utxo != null)
{
// key
stream.ReadWriteAsVarInt(ref defaultKeyLen);
var key = PSBTConstants.PSBT_IN_NON_WITNESS_UTXO;
stream.ReadWrite(ref key);
// value
byte[] data = non_witness_utxo.ToBytes();
stream.ReadWriteAsVarString(ref data);
}
// Write the sighash type
if (sighash_type > 0)
{
stream.ReadWriteAsVarInt(ref defaultKeyLen);
var key = PSBTConstants.PSBT_IN_SIGHASH;
stream.ReadWrite(ref key);
var tmp = Utils.ToBytes((uint)sighash_type, true);
stream.ReadWriteAsVarString(ref tmp);
}
// Write the redeem script
if (redeem_script != null)
{
stream.ReadWriteAsVarInt(ref defaultKeyLen);
var key = PSBTConstants.PSBT_IN_REDEEMSCRIPT;
stream.ReadWrite(ref key);
var value = redeem_script.ToBytes();
stream.ReadWriteAsVarString(ref value);
}
// Write the witness script
if (witness_script != null)
{
stream.ReadWriteAsVarInt(ref defaultKeyLen);
var key = PSBTConstants.PSBT_IN_WITNESSSCRIPT;
stream.ReadWrite(ref key);
var value = witness_script.ToBytes();
stream.ReadWriteAsVarString(ref value);
}
// Write any partial signatures
foreach (var sig_pair in partial_sigs)
{
var key = new byte[] { PSBTConstants.PSBT_IN_PARTIAL_SIG }.Concat(sig_pair.Key.ToBytes());
stream.ReadWriteAsVarString(ref key);
var sig = sig_pair.Value.ToBytes();
stream.ReadWriteAsVarString(ref sig);
}
// Write any hd keypaths
foreach (var pathPair in hd_keypaths)
{
var key = new byte[] { PSBTConstants.PSBT_IN_BIP32_DERIVATION }.Concat(pathPair.Key.ToBytes());
stream.ReadWriteAsVarString(ref key);
var masterFingerPrint = pathPair.Value.MasterFingerprint;
var path = pathPair.Value.KeyPath.ToBytes();
var pathInfo = masterFingerPrint.ToBytes().Concat(path);
stream.ReadWriteAsVarString(ref pathInfo);
}
// Write script sig
if (final_script_sig != null)
{
stream.ReadWriteAsVarInt(ref defaultKeyLen);
var key = PSBTConstants.PSBT_IN_SCRIPTSIG;
stream.ReadWrite(ref key);
byte[] value = final_script_sig.ToBytes();
stream.ReadWriteAsVarString(ref value);
}
// write script witness
if (final_script_witness != null)
{
stream.ReadWriteAsVarInt(ref defaultKeyLen);
var key = PSBTConstants.PSBT_IN_SCRIPTWITNESS;
stream.ReadWrite(ref key);
var stack = final_script_witness.ToBytes();
stream.ReadWriteAsVarString(ref stack);
}
// Write unknown things
foreach (var entry in unknown)
{
var k = entry.Key;
var v = entry.Value;
stream.ReadWriteAsVarString(ref k);
stream.ReadWriteAsVarString(ref v);
}
var sep = PSBTConstants.PSBT_SEPARATOR;
stream.ReadWrite(ref sep);
}
