use of com.samourai.wallet.segwit.SegwitAddress in project samourai-wallet-android by Samourai-Wallet.
the class CahootsUtil method doSTONEWALLx2_2.
//
// sender
//
public Cahoots doSTONEWALLx2_2(STONEWALLx2 stonewall1) throws Exception {
Transaction transaction = stonewall1.getTransaction();
debug("CahootsUtil", "step2 tx:" + org.spongycastle.util.encoders.Hex.toHexString(transaction.bitcoinSerialize()));
int nbIncomingInputs = transaction.getInputs().size();
List<UTXO> utxos = getCahootsUTXO(stonewall1.getAccount());
Collections.shuffle(utxos);
debug("CahootsUtil", "BIP84 utxos:" + utxos.size());
List<String> seenTxs = new ArrayList<String>();
for (TransactionInput input : transaction.getInputs()) {
if (!seenTxs.contains(input.getOutpoint().getHash().toString())) {
seenTxs.add(input.getOutpoint().getHash().toString());
}
}
List<UTXO> selectedUTXO = new ArrayList<UTXO>();
long totalSelectedAmount = 0L;
int nbTotalSelectedOutPoints = 0;
for (int step = 0; step < 3; step++) {
if (stonewall1.getCounterpartyAccount() == 0) {
step = 2;
}
List<String> _seenTxs = seenTxs;
selectedUTXO = new ArrayList<UTXO>();
nbTotalSelectedOutPoints = 0;
for (UTXO utxo : utxos) {
switch(step) {
case 0:
if (utxo.getPath() != null && utxo.getPath().length() > 3 && utxo.getPath().charAt(2) != '0') {
continue;
}
break;
case 1:
if (utxo.getPath() != null && utxo.getPath().length() > 3 && utxo.getPath().charAt(2) != '1') {
continue;
}
break;
default:
break;
}
UTXO _utxo = new UTXO();
for (MyTransactionOutPoint outpoint : utxo.getOutpoints()) {
if (!_seenTxs.contains(outpoint.getTxHash().toString())) {
_utxo.getOutpoints().add(outpoint);
_seenTxs.add(outpoint.getTxHash().toString());
}
}
if (_utxo.getOutpoints().size() > 0) {
selectedUTXO.add(_utxo);
totalSelectedAmount += _utxo.getValue();
nbTotalSelectedOutPoints += _utxo.getOutpoints().size();
debug("CahootsUtil", "BIP84 selected utxo:" + _utxo.getValue());
}
if (totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 4).longValue() + stonewall1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
break;
}
}
if (totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 4).longValue() + stonewall1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
break;
}
}
if (!(totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 4).longValue() + stonewall1.getSpendAmount() + SamouraiWallet.bDust.longValue())) {
return null;
}
debug("CahootsUtil", "BIP84 selected utxos:" + selectedUTXO.size());
long fee = FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 4).longValue();
debug("CahootsUtil", "fee:" + fee);
if (fee % 2L != 0) {
fee++;
}
debug("CahootsUtil", "fee pair:" + fee);
stonewall1.setFeeAmount(fee);
debug("CahootsUtil", "destination:" + stonewall1.getDestination());
if (transaction.getOutputs() != null && transaction.getOutputs().size() == 2) {
int idx = -1;
for (int i = 0; i < 2; i++) {
byte[] buf = transaction.getOutputs().get(i).getScriptBytes();
byte[] script = new byte[buf.length];
script[0] = 0x00;
System.arraycopy(buf, 1, script, 1, script.length - 1);
debug("CahootsUtil", "script:" + new Script(script).toString());
debug("CahootsUtil", "script hex:" + Hex.toHexString(script));
debug("CahootsUtil", "address from script:" + Bech32Util.getInstance().getAddressFromScript(new Script(script)));
if (Bech32Util.getInstance().getAddressFromScript(new Script(script)).equalsIgnoreCase(stonewall1.getCollabChange())) {
idx = i;
break;
}
}
if (idx == 0 || idx == 1) {
Coin value = transaction.getOutputs().get(idx).getValue();
Coin _value = Coin.valueOf(value.longValue() - (fee / 2L));
debug("CahootsUtil", "output value post fee:" + _value);
transaction.getOutputs().get(idx).setValue(_value);
stonewall1.getPSBT().setTransaction(transaction);
} else {
return null;
}
} else {
return null;
}
NetworkParameters params = stonewall1.getParams();
//
//
// step2: B verif, utxos -> A (take smallest that cover amount)
//
//
String zpub = BIP84Util.getInstance(context).getWallet().getAccountAt(stonewall1.getAccount()).zpubstr();
HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>> inputsB = new HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>>();
for (UTXO utxo : selectedUTXO) {
for (MyTransactionOutPoint outpoint : utxo.getOutpoints()) {
_TransactionOutPoint _outpoint = new _TransactionOutPoint(outpoint);
ECKey eckey = SendFactory.getPrivKey(_outpoint.getAddress(), stonewall1.getAccount());
String path = APIFactory.getInstance(context).getUnspentPaths().get(_outpoint.getAddress());
inputsB.put(_outpoint, Triple.of(eckey.getPubKey(), FormatsUtil.getInstance().getFingerprintFromXPUB(zpub), path));
}
}
// spender change output
HashMap<_TransactionOutput, Triple<byte[], byte[], String>> outputsB = new HashMap<_TransactionOutput, Triple<byte[], byte[], String>>();
if (stonewall1.getAccount() == WhirlpoolMeta.getInstance(context).getWhirlpoolPostmix()) {
int idx = AddressFactory.getInstance(context).getHighestPostChangeIdx();
SegwitAddress segwitAddress = BIP84Util.getInstance(context).getAddressAt(stonewall1.getAccount(), 1, idx);
Pair<Byte, byte[]> pair0 = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress.getBech32AsString());
byte[] scriptPubKey_B0 = Bech32Segwit.getScriptPubkey(pair0.getLeft(), pair0.getRight());
_TransactionOutput output_B0 = new _TransactionOutput(params, null, Coin.valueOf((totalSelectedAmount - stonewall1.getSpendAmount()) - (fee / 2L)), scriptPubKey_B0);
outputsB.put(output_B0, Triple.of(segwitAddress.getECKey().getPubKey(), stonewall1.getFingerprint(), "M/1/" + idx));
} else {
int idx = BIP84Util.getInstance(context).getWallet().getAccount(0).getChange().getAddrIdx();
SegwitAddress segwitAddress = BIP84Util.getInstance(context).getAddressAt(0, 1, idx);
Pair<Byte, byte[]> pair0 = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress.getBech32AsString());
byte[] scriptPubKey_B0 = Bech32Segwit.getScriptPubkey(pair0.getLeft(), pair0.getRight());
_TransactionOutput output_B0 = new _TransactionOutput(params, null, Coin.valueOf((totalSelectedAmount - stonewall1.getSpendAmount()) - (fee / 2L)), scriptPubKey_B0);
outputsB.put(output_B0, Triple.of(segwitAddress.getECKey().getPubKey(), stonewall1.getFingerprint(), "M/1/" + idx));
}
STONEWALLx2 stonewall2 = new STONEWALLx2(stonewall1);
stonewall2.inc(inputsB, outputsB, null);
return stonewall2;
}
use of com.samourai.wallet.segwit.SegwitAddress in project samourai-wallet-android by Samourai-Wallet.
the class CahootsUtil method doSTONEWALLx2_1.
//
// counterparty
//
public Cahoots doSTONEWALLx2_1(STONEWALLx2 stonewall0) throws Exception {
List<UTXO> utxos = getCahootsUTXO(stonewall0.getCounterpartyAccount());
Collections.shuffle(utxos);
debug("CahootsUtil", "BIP84 utxos:" + utxos.size());
List<UTXO> selectedUTXO = new ArrayList<UTXO>();
long totalContributedAmount = 0L;
for (int step = 0; step < 3; step++) {
if (stonewall0.getCounterpartyAccount() == 0) {
step = 2;
}
List<String> seenTxs = new ArrayList<String>();
selectedUTXO = new ArrayList<UTXO>();
totalContributedAmount = 0L;
for (UTXO utxo : utxos) {
switch(step) {
case 0:
if (utxo.getPath() != null && utxo.getPath().length() > 3 && utxo.getPath().charAt(2) != '0') {
continue;
}
break;
case 1:
if (utxo.getPath() != null && utxo.getPath().length() > 3 && utxo.getPath().charAt(2) != '1') {
continue;
}
break;
default:
break;
}
UTXO _utxo = new UTXO();
for (MyTransactionOutPoint outpoint : utxo.getOutpoints()) {
if (!seenTxs.contains(outpoint.getTxHash().toString())) {
_utxo.getOutpoints().add(outpoint);
seenTxs.add(outpoint.getTxHash().toString());
}
}
if (_utxo.getOutpoints().size() > 0) {
selectedUTXO.add(_utxo);
totalContributedAmount += _utxo.getValue();
debug("CahootsUtil", "BIP84 selected utxo:" + _utxo.getValue());
}
if (totalContributedAmount > stonewall0.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
break;
}
}
if (totalContributedAmount > stonewall0.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
break;
}
}
if (!(totalContributedAmount > stonewall0.getSpendAmount() + SamouraiWallet.bDust.longValue())) {
return null;
}
debug("CahootsUtil", "BIP84 selected utxos:" + selectedUTXO.size());
NetworkParameters params = stonewall0.getParams();
//
//
// step1: A utxos -> B (take largest that cover amount)
//
//
String zpub = BIP84Util.getInstance(context).getWallet().getAccountAt(stonewall0.getCounterpartyAccount()).zpubstr();
HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>> inputsA = new HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>>();
for (UTXO utxo : selectedUTXO) {
for (MyTransactionOutPoint outpoint : utxo.getOutpoints()) {
_TransactionOutPoint _outpoint = new _TransactionOutPoint(outpoint);
ECKey eckey = SendFactory.getPrivKey(_outpoint.getAddress(), stonewall0.getCounterpartyAccount());
String path = APIFactory.getInstance(context).getUnspentPaths().get(_outpoint.getAddress());
inputsA.put(_outpoint, Triple.of(eckey.getPubKey(), stonewall0.getFingerprintCollab(), path));
}
}
HashMap<_TransactionOutput, Triple<byte[], byte[], String>> outputsA = new HashMap<_TransactionOutput, Triple<byte[], byte[], String>>();
if (stonewall0.getCounterpartyAccount() == WhirlpoolMeta.getInstance(context).getWhirlpoolPostmix()) {
// contributor mix output
int idx = AddressFactory.getInstance(context).getHighestPostChangeIdx();
SegwitAddress segwitAddress0 = BIP84Util.getInstance(context).getAddressAt(stonewall0.getCounterpartyAccount(), 1, idx);
Pair<Byte, byte[]> pair0 = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress0.getBech32AsString());
byte[] scriptPubKey_A0 = Bech32Segwit.getScriptPubkey(pair0.getLeft(), pair0.getRight());
_TransactionOutput output_A0 = new _TransactionOutput(params, null, Coin.valueOf(stonewall0.getSpendAmount()), scriptPubKey_A0);
outputsA.put(output_A0, Triple.of(segwitAddress0.getECKey().getPubKey(), stonewall0.getFingerprintCollab(), "M/1/" + idx));
// contributor change output
++idx;
SegwitAddress segwitAddress1 = BIP84Util.getInstance(context).getAddressAt(stonewall0.getCounterpartyAccount(), 1, idx);
Pair<Byte, byte[]> pair1 = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress1.getBech32AsString());
byte[] scriptPubKey_A1 = Bech32Segwit.getScriptPubkey(pair1.getLeft(), pair1.getRight());
_TransactionOutput output_A1 = new _TransactionOutput(params, null, Coin.valueOf(totalContributedAmount - stonewall0.getSpendAmount()), scriptPubKey_A1);
outputsA.put(output_A1, Triple.of(segwitAddress1.getECKey().getPubKey(), stonewall0.getFingerprintCollab(), "M/1/" + idx));
stonewall0.setCollabChange(segwitAddress1.getBech32AsString());
} else {
// contributor mix output
int idx = BIP84Util.getInstance(context).getWallet().getAccount(0).getReceive().getAddrIdx();
SegwitAddress segwitAddress0 = BIP84Util.getInstance(context).getAddressAt(0, 0, idx);
if (segwitAddress0.getBech32AsString().equalsIgnoreCase(stonewall0.getDestination())) {
segwitAddress0 = BIP84Util.getInstance(context).getAddressAt(0, 0, idx + 1);
}
Pair<Byte, byte[]> pair0 = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress0.getBech32AsString());
byte[] scriptPubKey_A0 = Bech32Segwit.getScriptPubkey(pair0.getLeft(), pair0.getRight());
_TransactionOutput output_A0 = new _TransactionOutput(params, null, Coin.valueOf(stonewall0.getSpendAmount()), scriptPubKey_A0);
outputsA.put(output_A0, Triple.of(segwitAddress0.getECKey().getPubKey(), stonewall0.getFingerprintCollab(), "M/0/" + idx));
// contributor change output
idx = BIP84Util.getInstance(context).getWallet().getAccount(0).getChange().getAddrIdx();
SegwitAddress segwitAddress1 = BIP84Util.getInstance(context).getAddressAt(0, 1, idx);
Pair<Byte, byte[]> pair1 = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress1.getBech32AsString());
byte[] scriptPubKey_A1 = Bech32Segwit.getScriptPubkey(pair1.getLeft(), pair1.getRight());
_TransactionOutput output_A1 = new _TransactionOutput(params, null, Coin.valueOf(totalContributedAmount - stonewall0.getSpendAmount()), scriptPubKey_A1);
outputsA.put(output_A1, Triple.of(segwitAddress1.getECKey().getPubKey(), stonewall0.getFingerprintCollab(), "M/1/" + idx));
stonewall0.setCollabChange(segwitAddress1.getBech32AsString());
}
STONEWALLx2 stonewall1 = new STONEWALLx2(stonewall0);
stonewall1.inc(inputsA, outputsA, null);
return stonewall1;
}
use of com.samourai.wallet.segwit.SegwitAddress in project samourai-wallet-android by Samourai-Wallet.
the class CahootsUtil method doStowaway2.
//
// sender
//
public Cahoots doStowaway2(Stowaway stowaway1) throws Exception {
debug("CahootsUtil", "sender account (2):" + stowaway1.getAccount());
Transaction transaction = stowaway1.getTransaction();
debug("CahootsUtil", "step2 tx:" + org.spongycastle.util.encoders.Hex.toHexString(transaction.bitcoinSerialize()));
int nbIncomingInputs = transaction.getInputs().size();
List<UTXO> utxos = getCahootsUTXO(stowaway1.getAccount());
// sort in ascending order by value
Collections.sort(utxos, new UTXO.UTXOComparator());
Collections.reverse(utxos);
debug("CahootsUtil", "BIP84 utxos:" + utxos.size());
List<UTXO> selectedUTXO = new ArrayList<UTXO>();
int nbTotalSelectedOutPoints = 0;
long totalSelectedAmount = 0L;
List<UTXO> lowUTXO = new ArrayList<UTXO>();
for (UTXO utxo : utxos) {
if (utxo.getValue() < stowaway1.getSpendAmount()) {
lowUTXO.add(utxo);
}
}
List<List<UTXO>> listOfLists = new ArrayList<List<UTXO>>();
Collections.shuffle(lowUTXO);
listOfLists.add(lowUTXO);
listOfLists.add(utxos);
for (List<UTXO> list : listOfLists) {
selectedUTXO.clear();
totalSelectedAmount = 0L;
nbTotalSelectedOutPoints = 0;
for (UTXO utxo : list) {
selectedUTXO.add(utxo);
totalSelectedAmount += utxo.getValue();
debug("BIP84 selected utxo:", "" + utxo.getValue());
nbTotalSelectedOutPoints += utxo.getOutpoints().size();
if (totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
// discard "extra" utxo, if any
List<UTXO> _selectedUTXO = new ArrayList<UTXO>();
Collections.reverse(selectedUTXO);
int _nbTotalSelectedOutPoints = 0;
long _totalSelectedAmount = 0L;
for (UTXO utxoSel : selectedUTXO) {
_selectedUTXO.add(utxoSel);
_totalSelectedAmount += utxoSel.getValue();
debug("CahootsUtil", "BIP84 post selected utxo:" + utxoSel.getValue());
_nbTotalSelectedOutPoints += utxoSel.getOutpoints().size();
if (_totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, _nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
selectedUTXO.clear();
selectedUTXO.addAll(_selectedUTXO);
totalSelectedAmount = _totalSelectedAmount;
nbTotalSelectedOutPoints = _nbTotalSelectedOutPoints;
break;
}
}
break;
}
}
if (totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
break;
}
}
/*
if(lowUTXO.size() > 0) {
Collections.shuffle(lowUTXO);
for (UTXO utxo : lowUTXO) {
selectedUTXO.add(utxo);
totalSelectedAmount += utxo.getValue();
debug("BIP84 selected utxo:", "" + utxo.getValue());
nbTotalSelectedOutPoints += utxo.getOutpoints().size();
if (totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
// discard "extra" utxo, if any
List<UTXO> _selectedUTXO = new ArrayList<UTXO>();
Collections.reverse(selectedUTXO);
int _nbTotalSelectedOutPoints = 0;
long _totalSelectedAmount = 0L;
for (UTXO utxoSel : selectedUTXO) {
_selectedUTXO.add(utxoSel);
_totalSelectedAmount += utxoSel.getValue();
debug("CahootsUtil", "BIP84 post selected utxo:" + utxoSel.getValue());
_nbTotalSelectedOutPoints += utxoSel.getOutpoints().size();
if (_totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, _nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
selectedUTXO.clear();
selectedUTXO.addAll(_selectedUTXO);
totalSelectedAmount = _totalSelectedAmount;
nbTotalSelectedOutPoints = _nbTotalSelectedOutPoints;
break;
}
}
break;
}
}
}
if (!(totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue())) {
selectedUTXO.clear();
totalSelectedAmount = 0L;
nbTotalSelectedOutPoints = 0;
for (UTXO utxo : utxos) {
selectedUTXO.add(utxo);
totalSelectedAmount += utxo.getValue();
debug("BIP84 selected utxo:", "" + utxo.getValue());
nbTotalSelectedOutPoints += utxo.getOutpoints().size();
if (totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
// discard "extra" utxo, if any
List<UTXO> _selectedUTXO = new ArrayList<UTXO>();
Collections.reverse(selectedUTXO);
int _nbTotalSelectedOutPoints = 0;
long _totalSelectedAmount = 0L;
for (UTXO utxoSel : selectedUTXO) {
_selectedUTXO.add(utxoSel);
_totalSelectedAmount += utxoSel.getValue();
debug("CahootsUtil", "BIP84 post selected utxo:" + utxoSel.getValue());
_nbTotalSelectedOutPoints += utxoSel.getOutpoints().size();
if (_totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, _nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
selectedUTXO.clear();
selectedUTXO.addAll(_selectedUTXO);
totalSelectedAmount = _totalSelectedAmount;
nbTotalSelectedOutPoints = _nbTotalSelectedOutPoints;
break;
}
}
break;
}
}
}
*/
if (!(totalSelectedAmount > FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue() + stowaway1.getSpendAmount() + SamouraiWallet.bDust.longValue())) {
return null;
}
debug("CahootsUtil", "BIP84 selected utxos:" + selectedUTXO.size());
long fee = FeeUtil.getInstance().estimatedFeeSegwit(0, 0, nbTotalSelectedOutPoints + nbIncomingInputs, 2).longValue();
debug("CahootsUtil", "fee:" + fee);
NetworkParameters params = stowaway1.getParams();
//
//
// step2: B verif, utxos -> A (take smallest that cover amount)
//
//
String zpub = BIP84Util.getInstance(context).getWallet().getAccountAt(stowaway1.getAccount()).zpubstr();
HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>> inputsB = new HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>>();
for (UTXO utxo : selectedUTXO) {
for (MyTransactionOutPoint outpoint : utxo.getOutpoints()) {
_TransactionOutPoint _outpoint = new _TransactionOutPoint(outpoint);
ECKey eckey = SendFactory.getPrivKey(_outpoint.getAddress(), stowaway1.getAccount());
String path = APIFactory.getInstance(context).getUnspentPaths().get(_outpoint.getAddress());
inputsB.put(_outpoint, Triple.of(eckey.getPubKey(), stowaway1.getFingerprint(), path));
}
}
debug("CahootsUtil", "inputsB:" + inputsB.size());
// change output
SegwitAddress segwitAddress = null;
int idx = 0;
if (stowaway1.getAccount() == WhirlpoolMeta.getInstance(context).getWhirlpoolPostmix()) {
idx = AddressFactory.getInstance(context).getHighestPostChangeIdx();
HD_Address addr = BIP84Util.getInstance(context).getWallet().getAccountAt(stowaway1.getAccount()).getChange().getAddressAt(idx);
segwitAddress = new SegwitAddress(addr.getPubKey(), SamouraiWallet.getInstance().getCurrentNetworkParams());
} else {
idx = BIP84Util.getInstance(context).getWallet().getAccount(0).getChange().getAddrIdx();
segwitAddress = BIP84Util.getInstance(context).getAddressAt(1, idx);
}
HashMap<_TransactionOutput, Triple<byte[], byte[], String>> outputsB = new HashMap<_TransactionOutput, Triple<byte[], byte[], String>>();
Pair<Byte, byte[]> pair = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress.getBech32AsString());
byte[] scriptPubKey_B = Bech32Segwit.getScriptPubkey(pair.getLeft(), pair.getRight());
_TransactionOutput output_B0 = new _TransactionOutput(params, null, Coin.valueOf((totalSelectedAmount - stowaway1.getSpendAmount()) - fee), scriptPubKey_B);
outputsB.put(output_B0, Triple.of(segwitAddress.getECKey().getPubKey(), stowaway1.getFingerprint(), "M/1/" + idx));
debug("CahootsUtil", "outputsB:" + outputsB.size());
Stowaway stowaway2 = new Stowaway(stowaway1);
stowaway2.inc(inputsB, outputsB, null);
stowaway2.setFeeAmount(fee);
return stowaway2;
}
use of com.samourai.wallet.segwit.SegwitAddress in project samourai-wallet-android by Samourai-Wallet.
the class CahootsUtil method doStowaway1.
//
// receiver
//
public Cahoots doStowaway1(Stowaway stowaway0) throws Exception {
List<UTXO> utxos = getCahootsUTXO(0);
// sort in descending order by value
Collections.sort(utxos, new UTXO.UTXOComparator());
debug("CahootsUtil", "BIP84 utxos:" + utxos.size());
List<UTXO> selectedUTXO = new ArrayList<UTXO>();
long totalContributedAmount = 0L;
List<UTXO> highUTXO = new ArrayList<UTXO>();
for (UTXO utxo : utxos) {
if (utxo.getValue() > stowaway0.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
highUTXO.add(utxo);
}
}
if (highUTXO.size() > 0) {
SecureRandom random = new SecureRandom();
UTXO utxo = highUTXO.get(random.nextInt(highUTXO.size()));
debug("CahootsUtil", "BIP84 selected random utxo:" + utxo.getValue());
selectedUTXO.add(utxo);
totalContributedAmount = utxo.getValue();
}
if (selectedUTXO.size() == 0) {
for (UTXO utxo : utxos) {
selectedUTXO.add(utxo);
totalContributedAmount += utxo.getValue();
debug("CahootsUtil", "BIP84 selected utxo:" + utxo.getValue());
if (totalContributedAmount > stowaway0.getSpendAmount() + SamouraiWallet.bDust.longValue()) {
break;
}
}
}
if (!(totalContributedAmount > stowaway0.getSpendAmount() + SamouraiWallet.bDust.longValue())) {
return null;
}
debug("CahootsUtil", "BIP84 selected utxos:" + selectedUTXO.size());
NetworkParameters params = stowaway0.getParams();
//
//
// step1: A utxos -> B (take largest that cover amount)
//
//
String zpub = BIP84Util.getInstance(context).getWallet().getAccount(0).zpubstr();
HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>> inputsA = new HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>>();
for (UTXO utxo : selectedUTXO) {
for (MyTransactionOutPoint outpoint : utxo.getOutpoints()) {
_TransactionOutPoint _outpoint = new _TransactionOutPoint(outpoint);
ECKey eckey = SendFactory.getPrivKey(_outpoint.getAddress(), 0);
String path = APIFactory.getInstance(context).getUnspentPaths().get(_outpoint.getAddress());
inputsA.put(_outpoint, Triple.of(eckey.getPubKey(), stowaway0.getFingerprintCollab(), path));
}
}
// destination output
int idx = BIP84Util.getInstance(context).getWallet().getAccount(0).getReceive().getAddrIdx();
SegwitAddress segwitAddress = BIP84Util.getInstance(context).getAddressAt(0, idx);
HashMap<_TransactionOutput, Triple<byte[], byte[], String>> outputsA = new HashMap<_TransactionOutput, Triple<byte[], byte[], String>>();
// byte[] scriptPubKey_A = getScriptPubKey("tb1qewwlc2dksuez3zauf38d82m7uqd4ewkf2avdl8", params);
Pair<Byte, byte[]> pair = Bech32Segwit.decode(SamouraiWallet.getInstance().isTestNet() ? "tb" : "bc", segwitAddress.getBech32AsString());
byte[] scriptPubKey_A = Bech32Segwit.getScriptPubkey(pair.getLeft(), pair.getRight());
_TransactionOutput output_A0 = new _TransactionOutput(params, null, Coin.valueOf(stowaway0.getSpendAmount()), scriptPubKey_A);
outputsA.put(output_A0, Triple.of(segwitAddress.getECKey().getPubKey(), stowaway0.getFingerprintCollab(), "M/0/" + idx));
stowaway0.setDestination(segwitAddress.getBech32AsString());
Stowaway stowaway1 = new Stowaway(stowaway0);
stowaway1.inc(inputsA, outputsA, null);
return stowaway1;
}
use of com.samourai.wallet.segwit.SegwitAddress in project samourai-wallet-android by Samourai-Wallet.
the class Stowaway method doStep1.
//
// receiver
//
public boolean doStep1(HashMap<_TransactionOutPoint, Triple<byte[], byte[], String>> inputs, HashMap<_TransactionOutput, Triple<byte[], byte[], String>> outputs) throws Exception {
if (this.getStep() != 0 || this.getSpendAmount() == 0L) {
return false;
}
if (this.getType() == Cahoots.CAHOOTS_STONEWALLx2 && outputs == null) {
return false;
}
Transaction transaction = new Transaction(params);
for (_TransactionOutPoint outpoint : inputs.keySet()) {
TransactionInput input = new TransactionInput(params, null, new byte[0], outpoint, outpoint.getValue());
Log.d("Stowaway", "input value:" + input.getValue().longValue());
transaction.addInput(input);
outpoints.put(outpoint.getTxHash().toString() + "-" + outpoint.getTxOutputN(), outpoint.getValue().longValue());
}
for (_TransactionOutput output : outputs.keySet()) {
transaction.addOutput(output);
}
PSBT psbt = new PSBT(transaction);
for (_TransactionOutPoint outpoint : inputs.keySet()) {
Triple triple = inputs.get(outpoint);
// input type 1
SegwitAddress segwitAddress = new SegwitAddress((byte[]) triple.getLeft(), params);
psbt.addInput(PSBT.PSBT_IN_WITNESS_UTXO, null, PSBT.writeSegwitInputUTXO(outpoint.getValue().longValue(), segwitAddress.segWitRedeemScript().getProgram()));
// input type 6
String[] s = ((String) triple.getRight()).split("/");
psbt.addInput(PSBT.PSBT_IN_BIP32_DERIVATION, (byte[]) triple.getLeft(), PSBT.writeBIP32Derivation((byte[]) triple.getMiddle(), 84, params instanceof TestNet3Params ? 1 : 0, account, Integer.valueOf(s[1]), Integer.valueOf(s[2])));
}
for (_TransactionOutput output : outputs.keySet()) {
Triple triple = outputs.get(output);
// output type 2
String[] s = ((String) triple.getRight()).split("/");
psbt.addOutput(PSBT.PSBT_OUT_BIP32_DERIVATION, (byte[]) triple.getLeft(), PSBT.writeBIP32Derivation((byte[]) triple.getMiddle(), 84, params instanceof TestNet3Params ? 1 : 0, account, Integer.valueOf(s[1]), Integer.valueOf(s[2])));
}
this.psbt = psbt;
Log.d("Stowaway", "input value:" + psbt.getTransaction().getInputs().get(0).getValue().longValue());
this.setStep(1);
return true;
}
Aggregations