Examples with TransactionInput org.bitcoinj.core.TransactionInput used on opensource projects

Example 36 with TransactionInput

use of org.bitcoinj.core.TransactionInput in project samourai-wallet-android by Samourai-Wallet.

the class SendActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_send);
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    SendActivity.this.getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
    if (SamouraiWallet.getInstance().getShowTotalBalance()) {
        if (SamouraiWallet.getInstance().getCurrentSelectedAccount() == 2) {
            selectedAccount = 1;
        } else {
            selectedAccount = 0;
        }
    } else {
        selectedAccount = 0;
    }
    tvMaxPrompt = (TextView) findViewById(R.id.max_prompt);
    tvMax = (TextView) findViewById(R.id.max);
    try {
        balance = APIFactory.getInstance(SendActivity.this).getXpubAmounts().get(HD_WalletFactory.getInstance(SendActivity.this).get().getAccount(selectedAccount).xpubstr());
    } catch (IOException ioe) {
        balance = 0L;
    } catch (MnemonicException.MnemonicLengthException mle) {
        balance = 0L;
    } catch (java.lang.NullPointerException npe) {
        balance = 0L;
    }
    final String strAmount;
    NumberFormat nf = NumberFormat.getInstance(Locale.US);
    nf.setMaximumFractionDigits(8);
    nf.setMinimumFractionDigits(1);
    nf.setMinimumIntegerDigits(1);
    strAmount = nf.format(balance / 1e8);
    tvMax.setText(strAmount + " " + getDisplayUnits());
    tvMaxPrompt.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View v, MotionEvent event) {
            edAmountBTC.setText(strAmount);
            return false;
        }
    });
    tvMax.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View v, MotionEvent event) {
            edAmountBTC.setText(strAmount);
            return false;
        }
    });
    DecimalFormat format = (DecimalFormat) DecimalFormat.getInstance(Locale.US);
    DecimalFormatSymbols symbols = format.getDecimalFormatSymbols();
    defaultSeparator = Character.toString(symbols.getDecimalSeparator());
    strFiat = PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.CURRENT_FIAT, "USD");
    btc_fx = ExchangeRateFactory.getInstance(SendActivity.this).getAvgPrice(strFiat);
    tvFiatSymbol = (TextView) findViewById(R.id.fiatSymbol);
    tvFiatSymbol.setText(getDisplayUnits() + "-" + strFiat);
    edAddress = (EditText) findViewById(R.id.destination);
    textWatcherAddress = new TextWatcher() {

        public void afterTextChanged(Editable s) {
            validateSpend();
        }

        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            ;
        }

        public void onTextChanged(CharSequence s, int start, int before, int count) {
            ;
        }
    };
    edAddress.addTextChangedListener(textWatcherAddress);
    edAddress.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View v, MotionEvent event) {
            // final int DRAWABLE_LEFT = 0;
            // final int DRAWABLE_TOP = 1;
            final int DRAWABLE_RIGHT = 2;
            if (event.getAction() == MotionEvent.ACTION_UP && event.getRawX() >= (edAddress.getRight() - edAddress.getCompoundDrawables()[DRAWABLE_RIGHT].getBounds().width())) {
                final List<String> entries = new ArrayList<String>();
                entries.addAll(BIP47Meta.getInstance().getSortedByLabels(false));
                final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(SendActivity.this, android.R.layout.select_dialog_singlechoice);
                for (int i = 0; i < entries.size(); i++) {
                    arrayAdapter.add(BIP47Meta.getInstance().getDisplayLabel(entries.get(i)));
                }
                AlertDialog.Builder dlg = new AlertDialog.Builder(SendActivity.this);
                dlg.setIcon(R.drawable.ic_launcher);
                dlg.setTitle(R.string.app_name);
                dlg.setAdapter(arrayAdapter, new DialogInterface.OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        // Toast.makeText(SendActivity.this, BIP47Meta.getInstance().getDisplayLabel(entries.get(which)), Toast.LENGTH_SHORT).show();
                        // Toast.makeText(SendActivity.this, entries.get(which), Toast.LENGTH_SHORT).show();
                        processPCode(entries.get(which), null);
                    }
                });
                dlg.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {

                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                });
                dlg.show();
                return true;
            }
            return false;
        }
    });
    edAmountBTC = (EditText) findViewById(R.id.amountBTC);
    edAmountFiat = (EditText) findViewById(R.id.amountFiat);
    textWatcherBTC = new TextWatcher() {

        public void afterTextChanged(Editable s) {
            edAmountBTC.removeTextChangedListener(this);
            edAmountFiat.removeTextChangedListener(textWatcherFiat);
            int max_len = 8;
            NumberFormat btcFormat = NumberFormat.getInstance(Locale.US);
            btcFormat.setMaximumFractionDigits(max_len + 1);
            btcFormat.setMinimumFractionDigits(0);
            double d = 0.0;
            try {
                d = NumberFormat.getInstance(Locale.US).parse(s.toString()).doubleValue();
                String s1 = btcFormat.format(d);
                if (s1.indexOf(defaultSeparator) != -1) {
                    String dec = s1.substring(s1.indexOf(defaultSeparator));
                    if (dec.length() > 0) {
                        dec = dec.substring(1);
                        if (dec.length() > max_len) {
                            edAmountBTC.setText(s1.substring(0, s1.length() - 1));
                            edAmountBTC.setSelection(edAmountBTC.getText().length());
                            s = edAmountBTC.getEditableText();
                        }
                    }
                }
            } catch (NumberFormatException nfe) {
                ;
            } catch (ParseException pe) {
                ;
            }
            if (d > 21000000.0) {
                edAmountFiat.setText("0.00");
                edAmountFiat.setSelection(edAmountFiat.getText().length());
                edAmountBTC.setText("0");
                edAmountBTC.setSelection(edAmountBTC.getText().length());
                Toast.makeText(SendActivity.this, R.string.invalid_amount, Toast.LENGTH_SHORT).show();
            } else {
                edAmountFiat.setText(MonetaryUtil.getInstance().getFiatFormat(strFiat).format(d * btc_fx));
                edAmountFiat.setSelection(edAmountFiat.getText().length());
            }
            edAmountFiat.addTextChangedListener(textWatcherFiat);
            edAmountBTC.addTextChangedListener(this);
            validateSpend();
        }

        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            ;
        }

        public void onTextChanged(CharSequence s, int start, int before, int count) {
            ;
        }
    };
    edAmountBTC.addTextChangedListener(textWatcherBTC);
    textWatcherFiat = new TextWatcher() {

        public void afterTextChanged(Editable s) {
            edAmountFiat.removeTextChangedListener(this);
            edAmountBTC.removeTextChangedListener(textWatcherBTC);
            int max_len = 2;
            NumberFormat fiatFormat = NumberFormat.getInstance(Locale.US);
            fiatFormat.setMaximumFractionDigits(max_len + 1);
            fiatFormat.setMinimumFractionDigits(0);
            double d = 0.0;
            try {
                d = NumberFormat.getInstance(Locale.US).parse(s.toString()).doubleValue();
                String s1 = fiatFormat.format(d);
                if (s1.indexOf(defaultSeparator) != -1) {
                    String dec = s1.substring(s1.indexOf(defaultSeparator));
                    if (dec.length() > 0) {
                        dec = dec.substring(1);
                        if (dec.length() > max_len) {
                            edAmountFiat.setText(s1.substring(0, s1.length() - 1));
                            edAmountFiat.setSelection(edAmountFiat.getText().length());
                        }
                    }
                }
            } catch (NumberFormatException nfe) {
                ;
            } catch (ParseException pe) {
                ;
            }
            if ((d / btc_fx) > 21000000.0) {
                edAmountFiat.setText("0.00");
                edAmountFiat.setSelection(edAmountFiat.getText().length());
                edAmountBTC.setText("0");
                edAmountBTC.setSelection(edAmountBTC.getText().length());
                Toast.makeText(SendActivity.this, R.string.invalid_amount, Toast.LENGTH_SHORT).show();
            } else {
                edAmountBTC.setText(MonetaryUtil.getInstance().getBTCFormat().format(d / btc_fx));
                edAmountBTC.setSelection(edAmountBTC.getText().length());
            }
            edAmountBTC.addTextChangedListener(textWatcherBTC);
            edAmountFiat.addTextChangedListener(this);
            validateSpend();
        }

        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            ;
        }

        public void onTextChanged(CharSequence s, int start, int before, int count) {
            ;
        }
    };
    edAmountFiat.addTextChangedListener(textWatcherFiat);
    SPEND_TYPE = PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.USE_BIP126, true) ? SPEND_BIP126 : SPEND_SIMPLE;
    if (SPEND_TYPE > SPEND_BIP126) {
        SPEND_TYPE = SPEND_BIP126;
        PrefsUtil.getInstance(SendActivity.this).setValue(PrefsUtil.SPEND_TYPE, SPEND_BIP126);
    }
    swRicochet = (Switch) findViewById(R.id.ricochet);
    swRicochet.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            if (isChecked) {
                SPEND_TYPE = SPEND_RICOCHET;
            } else {
                SPEND_TYPE = PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.SPEND_TYPE, SPEND_BIP126);
            }
        }
    });
    btLowFee = (Button) findViewById(R.id.low_fee);
    btAutoFee = (Button) findViewById(R.id.auto_fee);
    btPriorityFee = (Button) findViewById(R.id.priority_fee);
    btCustomFee = (Button) findViewById(R.id.custom_fee);
    tvFeePrompt = (TextView) findViewById(R.id.current_fee_prompt);
    FEE_TYPE = PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.CURRENT_FEE_TYPE, FEE_NORMAL);
    long lo = FeeUtil.getInstance().getLowFee().getDefaultPerKB().longValue() / 1000L;
    long mi = FeeUtil.getInstance().getNormalFee().getDefaultPerKB().longValue() / 1000L;
    long hi = FeeUtil.getInstance().getHighFee().getDefaultPerKB().longValue() / 1000L;
    if (lo == mi && mi == hi) {
        lo = (long) ((double) mi * 0.85);
        hi = (long) ((double) mi * 1.15);
        SuggestedFee lo_sf = new SuggestedFee();
        lo_sf.setDefaultPerKB(BigInteger.valueOf(lo * 1000L));
        FeeUtil.getInstance().setLowFee(lo_sf);
        SuggestedFee hi_sf = new SuggestedFee();
        hi_sf.setDefaultPerKB(BigInteger.valueOf(hi * 1000L));
        FeeUtil.getInstance().setHighFee(hi_sf);
    } else if (lo == mi || mi == hi) {
        mi = (lo + hi) / 2L;
        SuggestedFee mi_sf = new SuggestedFee();
        mi_sf.setDefaultPerKB(BigInteger.valueOf(mi * 1000L));
        FeeUtil.getInstance().setNormalFee(mi_sf);
    } else {
        ;
    }
    switch(FEE_TYPE) {
        case FEE_LOW:
            FeeUtil.getInstance().setSuggestedFee(FeeUtil.getInstance().getLowFee());
            btLowFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.blue));
            btAutoFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btPriorityFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btCustomFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btLowFee.setTypeface(null, Typeface.BOLD);
            btAutoFee.setTypeface(null, Typeface.NORMAL);
            btPriorityFee.setTypeface(null, Typeface.NORMAL);
            btCustomFee.setTypeface(null, Typeface.NORMAL);
            tvFeePrompt.setText(getText(R.string.fee_low_priority) + " " + getText(R.string.blocks_to_cf));
            break;
        case FEE_PRIORITY:
            FeeUtil.getInstance().setSuggestedFee(FeeUtil.getInstance().getHighFee());
            btLowFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btAutoFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btPriorityFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.blue));
            btCustomFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btLowFee.setTypeface(null, Typeface.NORMAL);
            btAutoFee.setTypeface(null, Typeface.NORMAL);
            btPriorityFee.setTypeface(null, Typeface.BOLD);
            btCustomFee.setTypeface(null, Typeface.NORMAL);
            tvFeePrompt.setText(getText(R.string.fee_high_priority) + " " + getText(R.string.blocks_to_cf));
            break;
        default:
            FeeUtil.getInstance().setSuggestedFee(FeeUtil.getInstance().getNormalFee());
            btLowFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btAutoFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.blue));
            btPriorityFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btCustomFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btLowFee.setTypeface(null, Typeface.NORMAL);
            btAutoFee.setTypeface(null, Typeface.BOLD);
            btPriorityFee.setTypeface(null, Typeface.NORMAL);
            btCustomFee.setTypeface(null, Typeface.NORMAL);
            tvFeePrompt.setText(getText(R.string.fee_mid_priority) + " " + getText(R.string.blocks_to_cf));
            break;
    }
    btLowFee.setText((FeeUtil.getInstance().getLowFee().getDefaultPerKB().longValue() / 1000L) + "\n" + getString(R.string.sat_b));
    btPriorityFee.setText((FeeUtil.getInstance().getHighFee().getDefaultPerKB().longValue() / 1000L) + "\n" + getString(R.string.sat_b));
    btAutoFee.setText((FeeUtil.getInstance().getNormalFee().getDefaultPerKB().longValue() / 1000L) + "\n" + getString(R.string.sat_b));
    btLowFee.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            FeeUtil.getInstance().setSuggestedFee(FeeUtil.getInstance().getLowFee());
            PrefsUtil.getInstance(SendActivity.this).setValue(PrefsUtil.CURRENT_FEE_TYPE, FEE_LOW);
            btLowFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.blue));
            btAutoFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btPriorityFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btCustomFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btLowFee.setTypeface(null, Typeface.BOLD);
            btAutoFee.setTypeface(null, Typeface.NORMAL);
            btPriorityFee.setTypeface(null, Typeface.NORMAL);
            btCustomFee.setTypeface(null, Typeface.NORMAL);
            btCustomFee.setText(R.string.custom_fee);
            tvFeePrompt.setText(getText(R.string.fee_low_priority) + " " + getText(R.string.blocks_to_cf));
        }
    });
    btAutoFee.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            FeeUtil.getInstance().setSuggestedFee(FeeUtil.getInstance().getNormalFee());
            PrefsUtil.getInstance(SendActivity.this).setValue(PrefsUtil.CURRENT_FEE_TYPE, FEE_NORMAL);
            btLowFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btAutoFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.blue));
            btPriorityFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btCustomFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btLowFee.setTypeface(null, Typeface.NORMAL);
            btAutoFee.setTypeface(null, Typeface.BOLD);
            btPriorityFee.setTypeface(null, Typeface.NORMAL);
            btCustomFee.setTypeface(null, Typeface.NORMAL);
            btCustomFee.setText(R.string.custom_fee);
            tvFeePrompt.setText(getText(R.string.fee_mid_priority) + " " + getText(R.string.blocks_to_cf));
        }
    });
    btPriorityFee.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            FeeUtil.getInstance().setSuggestedFee(FeeUtil.getInstance().getHighFee());
            PrefsUtil.getInstance(SendActivity.this).setValue(PrefsUtil.CURRENT_FEE_TYPE, FEE_PRIORITY);
            btLowFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btAutoFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btPriorityFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.blue));
            btCustomFee.setBackgroundColor(SendActivity.this.getResources().getColor(R.color.darkgrey));
            btLowFee.setTypeface(null, Typeface.NORMAL);
            btAutoFee.setTypeface(null, Typeface.NORMAL);
            btPriorityFee.setTypeface(null, Typeface.BOLD);
            btCustomFee.setTypeface(null, Typeface.NORMAL);
            btCustomFee.setText(R.string.custom_fee);
            tvFeePrompt.setText(getText(R.string.fee_high_priority) + " " + getText(R.string.blocks_to_cf));
        }
    });
    btCustomFee.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            doCustomFee();
        }
    });
    btSend = (Button) findViewById(R.id.send);
    btSend.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            btSend.setClickable(false);
            btSend.setActivated(false);
            double btc_amount = 0.0;
            try {
                btc_amount = NumberFormat.getInstance(Locale.US).parse(edAmountBTC.getText().toString().trim()).doubleValue();
            // Log.i("SendFragment", "amount entered:" + btc_amount);
            } catch (NumberFormatException nfe) {
                btc_amount = 0.0;
            } catch (ParseException pe) {
                btc_amount = 0.0;
            }
            double dAmount = btc_amount;
            long amount = (long) (Math.round(dAmount * 1e8));
            ;
            // Log.i("SendActivity", "amount:" + amount);
            final String address = strDestinationBTCAddress == null ? edAddress.getText().toString() : strDestinationBTCAddress;
            final int accountIdx = selectedAccount;
            final boolean isSegwitChange = (FormatsUtil.getInstance().isValidBech32(address) || Address.fromBase58(SamouraiWallet.getInstance().getCurrentNetworkParams(), address).isP2SHAddress()) || PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.USE_LIKE_TYPED_CHANGE, true) == false;
            final HashMap<String, BigInteger> receivers = new HashMap<String, BigInteger>();
            receivers.put(address, BigInteger.valueOf(amount));
            // store current change index to restore value in case of sending fail
            int change_index = 0;
            if (isSegwitChange) {
                change_index = BIP49Util.getInstance(SendActivity.this).getWallet().getAccount(0).getChange().getAddrIdx();
            } else {
                try {
                    change_index = HD_WalletFactory.getInstance(SendActivity.this).get().getAccount(0).getChange().getAddrIdx();
                // Log.d("SendActivity", "storing change index:" + change_index);
                } catch (IOException ioe) {
                    ;
                } catch (MnemonicException.MnemonicLengthException mle) {
                    ;
                }
            }
            // get all UTXO
            List<UTXO> utxos = null;
            // if possible, get UTXO by input 'type': p2pkh or p2sh-p2wpkh, else get all UTXO
            long neededAmount = 0L;
            if (FormatsUtil.getInstance().isValidBech32(address) || Address.fromBase58(SamouraiWallet.getInstance().getCurrentNetworkParams(), address).isP2SHAddress()) {
                neededAmount += FeeUtil.getInstance().estimatedFeeSegwit(0, UTXOFactory.getInstance().getCountP2SH_P2WPKH(), 4).longValue();
            // Log.d("SendActivity", "segwit:" + neededAmount);
            } else {
                neededAmount += FeeUtil.getInstance().estimatedFeeSegwit(UTXOFactory.getInstance().getCountP2PKH(), 0, 4).longValue();
            // Log.d("SendActivity", "p2pkh:" + neededAmount);
            }
            neededAmount += amount;
            neededAmount += SamouraiWallet.bDust.longValue();
            if ((FormatsUtil.getInstance().isValidBech32(address) || Address.fromBase58(SamouraiWallet.getInstance().getCurrentNetworkParams(), address).isP2SHAddress()) && (UTXOFactory.getInstance().getP2SH_P2WPKH().size() > 0 && UTXOFactory.getInstance().getTotalP2SH_P2WPKH() > neededAmount)) {
                utxos = new ArrayList<UTXO>(UTXOFactory.getInstance().getP2SH_P2WPKH().values());
            // Log.d("SendActivity", "segwit utxos:" + utxos.size());
            } else if ((UTXOFactory.getInstance().getP2PKH().size() > 0) && (UTXOFactory.getInstance().getTotalP2PKH() > neededAmount)) {
                utxos = new ArrayList<UTXO>(UTXOFactory.getInstance().getP2PKH().values());
            // Log.d("SendActivity", "p2pkh utxos:" + utxos.size());
            } else {
                utxos = APIFactory.getInstance(SendActivity.this).getUtxos(true);
            // Log.d("SendActivity", "all filtered utxos:" + utxos.size());
            }
            final List<UTXO> selectedUTXO = new ArrayList<UTXO>();
            long totalValueSelected = 0L;
            long change = 0L;
            BigInteger fee = null;
            // insufficient funds
            if (amount > balance) {
                Toast.makeText(SendActivity.this, R.string.insufficient_funds, Toast.LENGTH_SHORT).show();
            } else // entire balance (can only be simple spend)
            if (amount == balance) {
                // make sure we are using simple spend
                SPEND_TYPE = SPEND_SIMPLE;
                // Log.d("SendActivity", "amount == balance");
                // take all utxos, deduct fee
                selectedUTXO.addAll(utxos);
                for (UTXO u : selectedUTXO) {
                    totalValueSelected += u.getValue();
                }
            // Log.d("SendActivity", "balance:" + balance);
            // Log.d("SendActivity", "total value selected:" + totalValueSelected);
            } else {
                ;
            }
            org.apache.commons.lang3.tuple.Pair<ArrayList<MyTransactionOutPoint>, ArrayList<TransactionOutput>> pair = null;
            if (SPEND_TYPE == SPEND_RICOCHET) {
                boolean samouraiFeeViaBIP47 = false;
                if (BIP47Meta.getInstance().getOutgoingStatus(BIP47Meta.strSamouraiDonationPCode) == BIP47Meta.STATUS_SENT_CFM) {
                    samouraiFeeViaBIP47 = true;
                }
                final JSONObject jObj = RicochetMeta.getInstance(SendActivity.this).script(amount, FeeUtil.getInstance().getSuggestedFee().getDefaultPerKB().longValue(), address, 4, strPCode, samouraiFeeViaBIP47);
                if (jObj != null) {
                    try {
                        long totalAmount = jObj.getLong("total_spend");
                        if (totalAmount > balance) {
                            Toast.makeText(SendActivity.this, R.string.insufficient_funds, Toast.LENGTH_SHORT).show();
                            return;
                        }
                        String msg = getText(R.string.ricochet_spend1) + " " + address + " " + getText(R.string.ricochet_spend2) + " " + Coin.valueOf(totalAmount).toPlainString() + " " + getText(R.string.ricochet_spend3);
                        AlertDialog.Builder dlg = new AlertDialog.Builder(SendActivity.this).setTitle(R.string.app_name).setMessage(msg).setCancelable(false).setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {

                            public void onClick(DialogInterface dialog, int whichButton) {
                                RicochetMeta.getInstance(SendActivity.this).add(jObj);
                                dialog.dismiss();
                                Intent intent = new Intent(SendActivity.this, RicochetActivity.class);
                                startActivityForResult(intent, RICOCHET);
                            }
                        }).setNegativeButton(R.string.no, new DialogInterface.OnClickListener() {

                            public void onClick(DialogInterface dialog, int whichButton) {
                                dialog.dismiss();
                            }
                        });
                        if (!isFinishing()) {
                            dlg.show();
                        }
                        return;
                    } catch (JSONException je) {
                        return;
                    }
                }
                return;
            } else // if BIP126 try both hetero/alt, if fails change type to SPEND_SIMPLE
            if (SPEND_TYPE == SPEND_BIP126) {
                List<UTXO> _utxos = utxos;
                // Collections.shuffle(_utxos);
                // sort in descending order by value
                Collections.sort(_utxos, new UTXO.UTXOComparator());
                // hetero
                pair = SendFactory.getInstance(SendActivity.this).heterogeneous(_utxos, BigInteger.valueOf(amount), address);
                if (pair == null) {
                    // Collections.sort(_utxos, new UTXO.UTXOComparator());
                    // alt
                    pair = SendFactory.getInstance(SendActivity.this).altHeterogeneous(_utxos, BigInteger.valueOf(amount), address);
                }
                if (pair == null) {
                    // can't do BIP126, revert to SPEND_SIMPLE
                    SPEND_TYPE = SPEND_SIMPLE;
                }
            } else {
                ;
            }
            // simple spend (less than balance)
            if (SPEND_TYPE == SPEND_SIMPLE) {
                List<UTXO> _utxos = utxos;
                // sort in ascending order by value
                Collections.sort(_utxos, new UTXO.UTXOComparator());
                Collections.reverse(_utxos);
                // get smallest 1 UTXO > than spend + fee + dust
                for (UTXO u : _utxos) {
                    Pair<Integer, Integer> outpointTypes = FeeUtil.getInstance().getOutpointCount(u.getOutpoints());
                    if (u.getValue() >= (amount + SamouraiWallet.bDust.longValue() + FeeUtil.getInstance().estimatedFeeSegwit(outpointTypes.getLeft(), outpointTypes.getRight(), 2).longValue())) {
                        selectedUTXO.add(u);
                        totalValueSelected += u.getValue();
                        // Log.d("SendActivity", "nb inputs:" + u.getOutpoints().size());
                        break;
                    }
                }
                if (selectedUTXO.size() == 0) {
                    // sort in descending order by value
                    Collections.sort(_utxos, new UTXO.UTXOComparator());
                    int selected = 0;
                    int p2pkh = 0;
                    int p2wpkh = 0;
                    // get largest UTXOs > than spend + fee + dust
                    for (UTXO u : _utxos) {
                        selectedUTXO.add(u);
                        totalValueSelected += u.getValue();
                        selected += u.getOutpoints().size();
                        // Log.d("SendActivity", "value selected:" + u.getValue());
                        // Log.d("SendActivity", "total value selected/threshold:" + totalValueSelected + "/" + (amount + SamouraiWallet.bDust.longValue() + FeeUtil.getInstance().estimatedFee(selected, 2).longValue()));
                        Pair<Integer, Integer> outpointTypes = FeeUtil.getInstance().getOutpointCount(u.getOutpoints());
                        p2pkh += outpointTypes.getLeft();
                        p2wpkh += outpointTypes.getRight();
                        if (totalValueSelected >= (amount + SamouraiWallet.bDust.longValue() + FeeUtil.getInstance().estimatedFeeSegwit(p2pkh, p2wpkh, 2).longValue())) {
                            // Log.d("SendActivity", "nb inputs:" + selected);
                            break;
                        }
                    }
                }
            } else if (pair != null) {
                selectedUTXO.clear();
                receivers.clear();
                long inputAmount = 0L;
                long outputAmount = 0L;
                for (MyTransactionOutPoint outpoint : pair.getLeft()) {
                    UTXO u = new UTXO();
                    List<MyTransactionOutPoint> outs = new ArrayList<MyTransactionOutPoint>();
                    outs.add(outpoint);
                    u.setOutpoints(outs);
                    totalValueSelected += u.getValue();
                    selectedUTXO.add(u);
                    inputAmount += u.getValue();
                }
                for (TransactionOutput output : pair.getRight()) {
                    try {
                        Script script = new Script(output.getScriptBytes());
                        receivers.put(script.getToAddress(SamouraiWallet.getInstance().getCurrentNetworkParams()).toString(), BigInteger.valueOf(output.getValue().longValue()));
                        outputAmount += output.getValue().longValue();
                    } catch (Exception e) {
                        Toast.makeText(SendActivity.this, R.string.error_bip126_output, Toast.LENGTH_SHORT).show();
                        return;
                    }
                }
                change = outputAmount - amount;
                fee = BigInteger.valueOf(inputAmount - outputAmount);
            } else {
                Toast.makeText(SendActivity.this, R.string.cannot_select_utxo, Toast.LENGTH_SHORT).show();
                return;
            }
            // do spend here
            if (selectedUTXO.size() > 0) {
                // estimate fee for simple spend, already done if BIP126
                if (SPEND_TYPE == SPEND_SIMPLE) {
                    List<MyTransactionOutPoint> outpoints = new ArrayList<MyTransactionOutPoint>();
                    for (UTXO utxo : selectedUTXO) {
                        outpoints.addAll(utxo.getOutpoints());
                    }
                    Pair<Integer, Integer> outpointTypes = FeeUtil.getInstance().getOutpointCount(outpoints);
                    fee = FeeUtil.getInstance().estimatedFeeSegwit(outpointTypes.getLeft(), outpointTypes.getRight(), 2);
                }
                // Log.d("SendActivity", "spend type:" + SPEND_TYPE);
                // Log.d("SendActivity", "amount:" + amount);
                // Log.d("SendActivity", "total value selected:" + totalValueSelected);
                // Log.d("SendActivity", "fee:" + fee.longValue());
                // Log.d("SendActivity", "nb inputs:" + selectedUTXO.size());
                change = totalValueSelected - (amount + fee.longValue());
                // Log.d("SendActivity", "change:" + change);
                boolean changeIsDust = false;
                if (change < SamouraiWallet.bDust.longValue() && SPEND_TYPE == SPEND_SIMPLE) {
                    change = 0L;
                    fee = fee.add(BigInteger.valueOf(change));
                    amount = totalValueSelected - fee.longValue();
                    // Log.d("SendActivity", "fee:" + fee.longValue());
                    // Log.d("SendActivity", "change:" + change);
                    // Log.d("SendActivity", "amount:" + amount);
                    receivers.put(address, BigInteger.valueOf(amount));
                    changeIsDust = true;
                }
                final long _change = change;
                final BigInteger _fee = fee;
                final int _change_index = change_index;
                String dest = null;
                if (strPCode != null && strPCode.length() > 0) {
                    dest = BIP47Meta.getInstance().getDisplayLabel(strPCode);
                } else {
                    dest = address;
                }
                final String strPrivacyWarning;
                if (SendAddressUtil.getInstance().get(address) == 1) {
                    strPrivacyWarning = getString(R.string.send_privacy_warning) + "\n\n";
                } else {
                    strPrivacyWarning = "";
                }
                String strChangeIsDust = null;
                if (changeIsDust) {
                    strChangeIsDust = getString(R.string.change_is_dust) + "\n\n";
                } else {
                    strChangeIsDust = "";
                }
                String message = strChangeIsDust + strPrivacyWarning + "Send " + Coin.valueOf(amount).toPlainString() + " to " + dest + " (fee:" + Coin.valueOf(_fee.longValue()).toPlainString() + ")?\n";
                final long _amount = amount;
                AlertDialog.Builder builder = new AlertDialog.Builder(SendActivity.this);
                builder.setTitle(R.string.app_name);
                builder.setMessage(message);
                final CheckBox cbShowAgain;
                if (strPrivacyWarning.length() > 0) {
                    cbShowAgain = new CheckBox(SendActivity.this);
                    cbShowAgain.setText(R.string.do_not_repeat_sent_to);
                    cbShowAgain.setChecked(false);
                    builder.setView(cbShowAgain);
                } else {
                    cbShowAgain = null;
                }
                builder.setCancelable(false);
                builder.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {

                    public void onClick(final DialogInterface dialog, int whichButton) {
                        final ProgressDialog progress = new ProgressDialog(SendActivity.this);
                        progress.setCancelable(false);
                        progress.setTitle(R.string.app_name);
                        progress.setMessage(getString(R.string.please_wait_sending));
                        progress.show();
                        final List<MyTransactionOutPoint> outPoints = new ArrayList<MyTransactionOutPoint>();
                        for (UTXO u : selectedUTXO) {
                            outPoints.addAll(u.getOutpoints());
                        }
                        // add change
                        if (_change > 0L) {
                            if (SPEND_TYPE == SPEND_SIMPLE) {
                                if (isSegwitChange) {
                                    String change_address = BIP49Util.getInstance(SendActivity.this).getAddressAt(AddressFactory.CHANGE_CHAIN, BIP49Util.getInstance(SendActivity.this).getWallet().getAccount(0).getChange().getAddrIdx()).getAddressAsString();
                                    receivers.put(change_address, BigInteger.valueOf(_change));
                                } else {
                                    try {
                                        String change_address = HD_WalletFactory.getInstance(SendActivity.this).get().getAccount(0).getChange().getAddressAt(HD_WalletFactory.getInstance(SendActivity.this).get().getAccount(0).getChange().getAddrIdx()).getAddressString();
                                        receivers.put(change_address, BigInteger.valueOf(_change));
                                    } catch (IOException ioe) {
                                        Toast.makeText(SendActivity.this, R.string.error_change_output, Toast.LENGTH_SHORT).show();
                                        return;
                                    } catch (MnemonicException.MnemonicLengthException mle) {
                                        Toast.makeText(SendActivity.this, R.string.error_change_output, Toast.LENGTH_SHORT).show();
                                        return;
                                    }
                                }
                            } else if (SPEND_TYPE == SPEND_BIP126) {
                            // do nothing, change addresses included
                            } else {
                                ;
                            }
                        }
                        // make tx
                        Transaction tx = SendFactory.getInstance(SendActivity.this).makeTransaction(0, outPoints, receivers);
                        final RBFSpend rbf;
                        if (PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.RBF_OPT_IN, false) == true) {
                            rbf = new RBFSpend();
                            for (TransactionInput input : tx.getInputs()) {
                                boolean _isBIP49 = false;
                                String _addr = null;
                                Address _address = input.getConnectedOutput().getAddressFromP2PKHScript(SamouraiWallet.getInstance().getCurrentNetworkParams());
                                if (_address != null) {
                                    _addr = _address.toString();
                                }
                                if (_addr == null) {
                                    _addr = input.getConnectedOutput().getAddressFromP2SH(SamouraiWallet.getInstance().getCurrentNetworkParams()).toString();
                                    _isBIP49 = true;
                                }
                                String path = APIFactory.getInstance(SendActivity.this).getUnspentPaths().get(_addr);
                                if (path != null) {
                                    if (_isBIP49) {
                                        rbf.addKey(input.getOutpoint().toString(), path + "/49");
                                    } else {
                                        rbf.addKey(input.getOutpoint().toString(), path);
                                    }
                                } else {
                                    String pcode = BIP47Meta.getInstance().getPCode4Addr(_addr);
                                    int idx = BIP47Meta.getInstance().getIdx4Addr(_addr);
                                    rbf.addKey(input.getOutpoint().toString(), pcode + "/" + idx);
                                }
                            }
                        } else {
                            rbf = null;
                        }
                        if (tx != null) {
                            tx = SendFactory.getInstance(SendActivity.this).signTransaction(tx);
                            final Transaction _tx = tx;
                            final String hexTx = new String(Hex.encode(tx.bitcoinSerialize()));
                            // Log.d("SendActivity", hexTx);
                            final String strTxHash = tx.getHashAsString();
                            if (PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.BROADCAST_TX, true) == false) {
                                if (progress != null && progress.isShowing()) {
                                    progress.dismiss();
                                }
                                doShowTx(hexTx, strTxHash);
                                return;
                            }
                            new Thread(new Runnable() {

                                @Override
                                public void run() {
                                    Looper.prepare();
                                    boolean isOK = false;
                                    String response = null;
                                    try {
                                        if (PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.USE_TRUSTED_NODE, false) == true) {
                                            if (TrustedNodeUtil.getInstance().isSet()) {
                                                response = PushTx.getInstance(SendActivity.this).trustedNode(hexTx);
                                                JSONObject jsonObject = new org.json.JSONObject(response);
                                                if (jsonObject.has("result")) {
                                                    if (jsonObject.getString("result").matches("^[A-Za-z0-9]{64}$")) {
                                                        isOK = true;
                                                    } else {
                                                        Toast.makeText(SendActivity.this, R.string.trusted_node_tx_error, Toast.LENGTH_SHORT).show();
                                                    }
                                                }
                                            } else {
                                                Toast.makeText(SendActivity.this, R.string.trusted_node_not_valid, Toast.LENGTH_SHORT).show();
                                            }
                                        } else {
                                            response = PushTx.getInstance(SendActivity.this).samourai(hexTx);
                                            if (response != null) {
                                                JSONObject jsonObject = new org.json.JSONObject(response);
                                                if (jsonObject.has("status")) {
                                                    if (jsonObject.getString("status").equals("ok")) {
                                                        isOK = true;
                                                    }
                                                }
                                            } else {
                                                Toast.makeText(SendActivity.this, R.string.pushtx_returns_null, Toast.LENGTH_SHORT).show();
                                            }
                                        }
                                        if (isOK) {
                                            if (PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.USE_TRUSTED_NODE, false) == false) {
                                                Toast.makeText(SendActivity.this, R.string.tx_sent, Toast.LENGTH_SHORT).show();
                                            } else {
                                                Toast.makeText(SendActivity.this, R.string.trusted_node_tx_sent, Toast.LENGTH_SHORT).show();
                                            }
                                            if (_change > 0L && SPEND_TYPE == SPEND_SIMPLE) {
                                                if (isSegwitChange) {
                                                    BIP49Util.getInstance(SendActivity.this).getWallet().getAccount(0).getChange().incAddrIdx();
                                                } else {
                                                    try {
                                                        HD_WalletFactory.getInstance(SendActivity.this).get().getAccount(0).getChange().incAddrIdx();
                                                    } catch (IOException ioe) {
                                                        ;
                                                    } catch (MnemonicException.MnemonicLengthException mle) {
                                                        ;
                                                    }
                                                }
                                            }
                                            if (PrefsUtil.getInstance(SendActivity.this).getValue(PrefsUtil.RBF_OPT_IN, false) == true) {
                                                for (TransactionOutput out : _tx.getOutputs()) {
                                                    try {
                                                        if (!isSegwitChange && !address.equals(out.getAddressFromP2PKHScript(SamouraiWallet.getInstance().getCurrentNetworkParams()).toString())) {
                                                            rbf.addChangeAddr(out.getAddressFromP2PKHScript(SamouraiWallet.getInstance().getCurrentNetworkParams()).toString());
                                                        } else if (isSegwitChange && !address.equals(out.getAddressFromP2SH(SamouraiWallet.getInstance().getCurrentNetworkParams()).toString())) {
                                                            rbf.addChangeAddr(out.getAddressFromP2SH(SamouraiWallet.getInstance().getCurrentNetworkParams()).toString());
                                                        } else {
                                                            ;
                                                        }
                                                    } catch (NullPointerException npe) {
                                                        // test for bech32, skip for now as it's not a change address
                                                        ;
                                                    }
                                                }
                                                rbf.setHash(strTxHash);
                                                rbf.setSerializedTx(hexTx);
                                                RBFUtil.getInstance().add(rbf);
                                            }
                                            // increment counter if BIP47 spend
                                            if (strPCode != null && strPCode.length() > 0) {
                                                BIP47Meta.getInstance().getPCode4AddrLookup().put(address, strPCode);
                                                BIP47Meta.getInstance().inc(strPCode);
                                                SimpleDateFormat sd = new SimpleDateFormat("dd MMM");
                                                String strTS = sd.format(currentTimeMillis());
                                                String event = strTS + " " + SendActivity.this.getString(R.string.sent) + " " + MonetaryUtil.getInstance().getBTCFormat().format((double) _amount / 1e8) + " BTC";
                                                BIP47Meta.getInstance().setLatestEvent(strPCode, event);
                                                strPCode = null;
                                            }
                                            if (strPrivacyWarning.length() > 0 && cbShowAgain != null) {
                                                SendAddressUtil.getInstance().add(address, cbShowAgain.isChecked() ? false : true);
                                            } else if (SendAddressUtil.getInstance().get(address) == 0) {
                                                SendAddressUtil.getInstance().add(address, false);
                                            } else {
                                                SendAddressUtil.getInstance().add(address, true);
                                            }
                                            Intent intent = new Intent("com.samourai.wallet.BalanceFragment.REFRESH");
                                            intent.putExtra("notifTx", false);
                                            intent.putExtra("fetch", true);
                                            LocalBroadcastManager.getInstance(SendActivity.this).sendBroadcast(intent);
                                            View view = SendActivity.this.getCurrentFocus();
                                            if (view != null) {
                                                InputMethodManager imm = (InputMethodManager) SendActivity.this.getSystemService(Context.INPUT_METHOD_SERVICE);
                                                imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
                                            }
                                            if (bViaMenu) {
                                                SendActivity.this.finish();
                                            } else {
                                                Intent _intent = new Intent(SendActivity.this, BalanceActivity.class);
                                                _intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);
                                                startActivity(_intent);
                                            }
                                        } else {
                                            Toast.makeText(SendActivity.this, R.string.tx_failed, Toast.LENGTH_SHORT).show();
                                            // reset change index upon tx fail
                                            if (isSegwitChange) {
                                                BIP49Util.getInstance(SendActivity.this).getWallet().getAccount(0).getChange().setAddrIdx(_change_index);
                                            } else {
                                                HD_WalletFactory.getInstance(SendActivity.this).get().getAccount(0).getChange().setAddrIdx(_change_index);
                                            }
                                        }
                                    } catch (JSONException je) {
                                        Toast.makeText(SendActivity.this, "pushTx:" + je.getMessage(), Toast.LENGTH_SHORT).show();
                                    } catch (MnemonicException.MnemonicLengthException mle) {
                                        Toast.makeText(SendActivity.this, "pushTx:" + mle.getMessage(), Toast.LENGTH_SHORT).show();
                                    } catch (DecoderException de) {
                                        Toast.makeText(SendActivity.this, "pushTx:" + de.getMessage(), Toast.LENGTH_SHORT).show();
                                    } catch (IOException ioe) {
                                        Toast.makeText(SendActivity.this, "pushTx:" + ioe.getMessage(), Toast.LENGTH_SHORT).show();
                                    } finally {
                                        SendActivity.this.runOnUiThread(new Runnable() {

                                            @Override
                                            public void run() {
                                                btSend.setActivated(true);
                                                btSend.setClickable(true);
                                                progress.dismiss();
                                                dialog.dismiss();
                                            }
                                        });
                                    }
                                    Looper.loop();
                                }
                            }).start();
                        } else {
                            // Log.d("SendActivity", "tx error");
                            Toast.makeText(SendActivity.this, "tx error", Toast.LENGTH_SHORT).show();
                        }
                    }
                });
                builder.setNegativeButton(R.string.no, new DialogInterface.OnClickListener() {

                    public void onClick(final DialogInterface dialog, int whichButton) {
                        try {
                            // reset change index upon 'NO'
                            if (isSegwitChange) {
                                BIP49Util.getInstance(SendActivity.this).getWallet().getAccount(0).getChange().setAddrIdx(_change_index);
                            } else {
                                HD_WalletFactory.getInstance(SendActivity.this).get().getAccount(0).getChange().setAddrIdx(_change_index);
                            }
                        } catch (Exception e) {
                            // Log.d("SendActivity", e.getMessage());
                            Toast.makeText(SendActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
                        } finally {
                            SendActivity.this.runOnUiThread(new Runnable() {

                                @Override
                                public void run() {
                                    btSend.setActivated(true);
                                    btSend.setClickable(true);
                                    dialog.dismiss();
                                }
                            });
                        }
                    }
                });
                AlertDialog alert = builder.create();
                alert.show();
            }
        }
    });
    Bundle extras = getIntent().getExtras();
    if (extras != null) {
        bViaMenu = extras.getBoolean("via_menu", false);
        String strUri = extras.getString("uri");
        strPCode = extras.getString("pcode");
        if (strUri != null && strUri.length() > 0) {
            processScan(strUri);
        }
        if (strPCode != null && strPCode.length() > 0) {
            processPCode(strPCode, null);
        }
    }
    validateSpend();
}