Merge branch 'master' into settingsui

2025-01-18 21:35:21 +01:00 · 2020-03-16 22:39:38 -04:00 · 2020-03-16 22:39:38 -04:00 · d4b27bb73c
commit d4b27bb73c
parent fb6a138b79 db9caf18bc
41 changed files with 2480 additions and 1554 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -1,25 +1,23 @@
-# Javascript Node CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-javascript/ for more details
-#
 version: 2
 jobs:
  build:
    docker:
-      # specify the version you desire here
-      - image: circleci/node:8-stretch
-
-      # Specify service dependencies here if necessary
-      # CircleCI maintains a library of pre-built images
-      # documented at https://circleci.com/docs/2.0/circleci-images/
-      # - image: circleci/mongo:3.4.4
+      - image: circleci/node:10.16.3

    working_directory: ~/repo

    steps:
      - checkout

+      - restore_cache:
+          key: node_modules-{{ checksum "package-lock.json" }}
+
      - run: npm i

+      - save_cache:
+          key: node_modules-{{ checksum "package-lock.json" }}
+          paths:
+            - node_modules
+
      # run tests!
      - run: npm run test
--- a/BlueComponents.js
+++ b/BlueComponents.js
@ -2089,7 +2089,7 @@ export class BlueAddressInput extends Component {
        <TouchableOpacity
          disabled={this.props.isLoading}
          onPress={() => {
-            NavigationService.navigate('ScanQrAddress', { onBarScanned: this.props.onBarScanned, launchedBy: this.props.launchedBy });
+            NavigationService.navigate('ScanQRCode', { onBarScanned: this.props.onBarScanned, launchedBy: this.props.launchedBy });
            Keyboard.dismiss();
          }}
          style={{
--- a/BlueElectrum.js
+++ b/BlueElectrum.js
@ -295,7 +295,7 @@ module.exports.multiGetHistoryByAddress = async function(addresses, batchsize) {
 };

 module.exports.multiGetTransactionByTxid = async function(txids, batchsize, verbose) {
-  batchsize = batchsize || 81;
+  batchsize = batchsize || 61;
  // this value is fine-tuned so althrough wallets in test suite will occasionally
  // throw 'response too large (over 1,000,000 bytes', test suite will pass
  verbose = verbose !== false;
@ -341,7 +341,7 @@ module.exports.waitTillConnected = async function() {
        clearInterval(waitTillConnectedInterval);
        reject(new Error('Waiting for Electrum connection timeout'));
      }
-    }, 1000);
+    }, 500);
  });
 };

--- a/MainBottomTabs.js
+++ b/MainBottomTabs.js
@ -28,8 +28,6 @@ import SelectWallet from './screen/wallets/selectWallet';

 import details from './screen/transactions/details';
 import TransactionStatus from './screen/transactions/transactionStatus';
-import rbf from './screen/transactions/RBF';
-import createrbf from './screen/transactions/RBF-create';
 import cpfp from './screen/transactions/CPFP';
 import rbfBumpFee from './screen/transactions/RBFBumpFee';
 import rbfCancel from './screen/transactions/RBFCancel';
@ -37,7 +35,7 @@ import rbfCancel from './screen/transactions/RBFCancel';
 import receiveDetails from './screen/receive/details';

 import sendDetails from './screen/send/details';
-import ScanQRCode from './screen/send/scanQrAddress';
+import ScanQRCode from './screen/send/ScanQRCode';
 import sendCreate from './screen/send/create';
 import Confirm from './screen/send/confirm';
 import PsbtWithHardwareWallet from './screen/send/psbtWithHardwareWallet';
@ -78,12 +76,6 @@ const WalletsStackNavigator = createStackNavigator(
    WalletDetails: {
      screen: WalletDetails,
    },
-    RBF: {
-      screen: rbf,
-    },
-    CreateRBF: {
-      screen: createrbf,
-    },
    CPFP: {
      screen: cpfp,
    },
@ -259,7 +251,7 @@ const HandleOffchainAndOnChainStackNavigator = createStackNavigator(
        header: null,
      },
    },
-    ScanQrAddress: {
+    ScanQRCode: {
      screen: ScanQRCode,
    },
    SendDetails: {
@ -330,7 +322,7 @@ const MainBottomTabs = createStackNavigator(
        header: null,
      },
    },
-    ScanQrAddress: {
+    ScanQRCode: {
      screen: ScanQRCode,
    },
    LappBrowser: {
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@ -119,7 +119,7 @@ android {
        minSdkVersion rootProject.ext.minSdkVersion
        targetSdkVersion rootProject.ext.targetSdkVersion
        versionCode 1
-        versionName "5.0.1"
+        versionName "5.1.0"
        multiDexEnabled true
        missingDimensionStrategy 'react-native-camera', 'general'
    }
--- a/class/abstract-hd-electrum-wallet.js
+++ b/class/abstract-hd-electrum-wallet.js
@ -635,22 +635,39 @@ export class AbstractHDElectrumWallet extends AbstractHDWallet {
  }

  async fetchUtxo() {
-    // considering only confirmed balance
-    // also, fetching utxo of addresses that only have some balance
+    // fetching utxo of addresses that only have some balance
    let addressess = [];

+    // considering confirmed balance:
    for (let c = 0; c < this.next_free_address_index + this.gap_limit; c++) {
      if (this._balances_by_external_index[c] && this._balances_by_external_index[c].c && this._balances_by_external_index[c].c > 0) {
        addressess.push(this._getExternalAddressByIndex(c));
      }
    }
-
    for (let c = 0; c < this.next_free_change_address_index + this.gap_limit; c++) {
      if (this._balances_by_internal_index[c] && this._balances_by_internal_index[c].c && this._balances_by_internal_index[c].c > 0) {
        addressess.push(this._getInternalAddressByIndex(c));
      }
    }

+    // considering UNconfirmed balance:
+    for (let c = 0; c < this.next_free_address_index + this.gap_limit; c++) {
+      if (this._balances_by_external_index[c] && this._balances_by_external_index[c].u && this._balances_by_external_index[c].u > 0) {
+        addressess.push(this._getExternalAddressByIndex(c));
+      }
+    }
+    for (let c = 0; c < this.next_free_change_address_index + this.gap_limit; c++) {
+      if (this._balances_by_internal_index[c] && this._balances_by_internal_index[c].u && this._balances_by_internal_index[c].u > 0) {
+        addressess.push(this._getInternalAddressByIndex(c));
+      }
+    }
+
+    // note: we could remove checks `.c` and `.u` to simplify code, but the resulting `addressess` array would be bigger, thus bigger batch
+    // to fetch (or maybe even several fetches), which is not critical but undesirable.
+    // anyway, result has `.confirmations` property for each utxo, so outside caller can easily filter out unconfirmed if he wants to
+
+    addressess = [...new Set(addressess)]; // deduplicate just for any case
+
    this._utxo = [];
    for (let arr of Object.values(await BlueElectrum.multiGetUtxoByAddress(addressess))) {
      this._utxo = this._utxo.concat(arr);
@ -665,8 +682,25 @@ export class AbstractHDElectrumWallet extends AbstractHDWallet {
      u.wif = this._getWifForAddress(u.address);
      u.confirmations = u.height ? 1 : 0;
    }
+
+    this.utxo = this.utxo.sort((a, b) => a.amount - b.amount);
+    // more consistent, so txhex in unit tests wont change
  }

+  /**
+   * Getter for previously fetched UTXO. For example:
+   *     [ { height: 0,
+   *    value: 666,
+   *    address: 'string',
+   *    txId: 'string',
+   *    vout: 1,
+   *    txid: 'string',
+   *    amount: 666,
+   *    wif: 'string',
+   *    confirmations: 0 } ]
+   *
+   * @returns {[]}
+   */
  getUtxo() {
    return this._utxo;
  }
--- a/class/abstract-hd-wallet.js
+++ b/class/abstract-hd-wallet.js
@ -4,6 +4,9 @@ const bitcoin = require('bitcoinjs-lib');
 const bip39 = require('bip39');
 const BlueElectrum = require('../BlueElectrum');

+/**
+ * @deprecated
+ */
 export class AbstractHDWallet extends LegacyWallet {
  static type = 'abstract';
  static typeReadable = 'abstract';
--- a/class/abstract-wallet.js
+++ b/class/abstract-wallet.js
@ -105,7 +105,7 @@ export class AbstractWallet {
  }

  weOwnAddress(address) {
-    return this._address === address;
+    throw Error('not implemented');
  }

  /**
@ -128,7 +128,12 @@ export class AbstractWallet {
  }

  setSecret(newSecret) {
-    this.secret = newSecret.trim();
+    this.secret = newSecret
+      .trim()
+      .replace('bitcoin:', '')
+      .replace('BITCOIN:', '');
+
+    if (this.secret.startsWith('BC1')) this.secret = this.secret.toLowerCase();

    try {
      const parsedSecret = JSON.parse(this.secret);
--- a/class/hd-legacy-breadwallet-wallet.js
+++ b/class/hd-legacy-breadwallet-wallet.js
@ -1,5 +1,4 @@
-import { AbstractHDWallet } from './abstract-hd-wallet';
-import Frisbee from 'frisbee';
+import { AbstractHDElectrumWallet } from './abstract-hd-electrum-wallet';
 import bip39 from 'bip39';
 const bip32 = require('bip32');
 const bitcoinjs = require('bitcoinjs-lib');
@ -8,7 +7,7 @@ const bitcoinjs = require('bitcoinjs-lib');
 * HD Wallet (BIP39).
 * In particular, Breadwallet-compatible (Legacy addresses)
 */
-export class HDLegacyBreadwalletWallet extends AbstractHDWallet {
+export class HDLegacyBreadwalletWallet extends AbstractHDElectrumWallet {
  static type = 'HDLegacyBreadwallet';
  static typeReadable = 'HD Legacy Breadwallet (P2PKH)';

@ -35,15 +34,10 @@ export class HDLegacyBreadwalletWallet extends AbstractHDWallet {
  _getExternalAddressByIndex(index) {
    index = index * 1; // cast to int
    if (this.external_addresses_cache[index]) return this.external_addresses_cache[index]; // cache hit
-    const mnemonic = this.secret;
-    const seed = bip39.mnemonicToSeed(mnemonic);
-    const root = bip32.fromSeed(seed);
-
-    const path = "m/0'/0/" + index;
-    const child = root.derivePath(path);

+    const node = bitcoinjs.bip32.fromBase58(this.getXpub());
    const address = bitcoinjs.payments.p2pkh({
-      pubkey: child.publicKey,
+      pubkey: node.derive(0).derive(index).publicKey,
    }).address;

    return (this.external_addresses_cache[index] = address);
@ -52,15 +46,10 @@ export class HDLegacyBreadwalletWallet extends AbstractHDWallet {
  _getInternalAddressByIndex(index) {
    index = index * 1; // cast to int
    if (this.internal_addresses_cache[index]) return this.internal_addresses_cache[index]; // cache hit
-    const mnemonic = this.secret;
-    const seed = bip39.mnemonicToSeed(mnemonic);
-    const root = bip32.fromSeed(seed);
-
-    const path = "m/0'/1/" + index;
-    const child = root.derivePath(path);

+    const node = bitcoinjs.bip32.fromBase58(this.getXpub());
    const address = bitcoinjs.payments.p2pkh({
-      pubkey: child.publicKey,
+      pubkey: node.derive(1).derive(index).publicKey,
    }).address;

    return (this.internal_addresses_cache[index] = address);
@ -90,26 +79,4 @@ export class HDLegacyBreadwalletWallet extends AbstractHDWallet {

    return child.keyPair.toWIF();
  }
-
-  /**
-   * @inheritDoc
-   */
-  async fetchBalance() {
-    try {
-      const api = new Frisbee({ baseURI: 'https://blockchain.info' });
-
-      let response = await api.get('/balance?active=' + this.getXpub());
-
-      if (response && response.body) {
-        for (let xpub of Object.keys(response.body)) {
-          this.balance = response.body[xpub].final_balance / 100000000;
-        }
-        this._lastBalanceFetch = +new Date();
-      } else {
-        throw new Error('Could not fetch balance from API: ' + response.err);
-      }
-    } catch (err) {
-      console.warn(err);
-    }
-  }
 }
--- a/class/hd-legacy-p2pkh-wallet.js
+++ b/class/hd-legacy-p2pkh-wallet.js
@ -1,7 +1,7 @@
-import { AbstractHDWallet } from './abstract-hd-wallet';
 import bip39 from 'bip39';
 import BigNumber from 'bignumber.js';
 import signer from '../models/signer';
+import { AbstractHDElectrumWallet } from './abstract-hd-electrum-wallet';
 const bitcoin = require('bitcoinjs-lib');
 const HDNode = require('bip32');

@ -10,7 +10,7 @@ const HDNode = require('bip32');
 * In particular, BIP44 (P2PKH legacy addressess)
 * @see https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki
 */
-export class HDLegacyP2PKHWallet extends AbstractHDWallet {
+export class HDLegacyP2PKHWallet extends AbstractHDElectrumWallet {
  static type = 'HDlegacyP2PKH';
  static typeReadable = 'HD Legacy (BIP44 P2PKH)';

--- a/class/hd-segwit-bech32-wallet.js
+++ b/class/hd-segwit-bech32-wallet.js
@ -20,4 +20,8 @@ export class HDSegwitBech32Wallet extends AbstractHDElectrumWallet {
  allowSendMax() {
    return true;
  }
+
+  allowRBF() {
+    return true;
+  }
 }
--- a/class/legacy-wallet.js
+++ b/class/legacy-wallet.js
@ -1,7 +1,5 @@
 import { AbstractWallet } from './abstract-wallet';
-import { SegwitBech32Wallet } from './';
-import { useBlockcypherTokens } from './constants';
-import Frisbee from 'frisbee';
+import { HDSegwitBech32Wallet } from './';
 import { NativeModules } from 'react-native';
 const bitcoin = require('bitcoinjs-lib');
 const { RNRandomBytes } = NativeModules;
@ -37,7 +35,7 @@ export class LegacyWallet extends AbstractWallet {
   * @return {boolean}
   */
  timeToRefreshTransaction() {
-    for (let tx of this.transactions) {
+    for (let tx of this.getTransactions()) {
      if (tx.confirmations < 7) {
        return true;
      }
@ -104,24 +102,13 @@ export class LegacyWallet extends AbstractWallet {
   */
  async fetchBalance() {
    try {
-      const api = new Frisbee({
-        baseURI: 'https://api.blockcypher.com/v1/btc/main/addrs/',
-      });
-
-      let response = await api.get(
-        this.getAddress() + '/balance' + ((useBlockcypherTokens && '?token=' + this.getRandomBlockcypherToken()) || ''),
-      );
-      let json = response.body;
-      if (typeof json === 'undefined' || typeof json.final_balance === 'undefined') {
-        throw new Error('Could not fetch balance from API: ' + response.err + ' ' + JSON.stringify(response.body));
-      }
-
-      this.balance = Number(json.final_balance);
-      this.unconfirmed_balance = new BigNumber(json.unconfirmed_balance);
-      this.unconfirmed_balance = this.unconfirmed_balance.dividedBy(100000000).toString() * 1;
+      let balance = await BlueElectrum.getBalanceByAddress(this.getAddress());
+      this.balance = Number(balance.confirmed);
+      this.unconfirmed_balance = new BigNumber(balance.unconfirmed);
+      this.unconfirmed_balance = this.unconfirmed_balance.dividedBy(100000000).toString() * 1; // wtf
      this._lastBalanceFetch = +new Date();
-    } catch (err) {
-      console.warn(err);
+    } catch (Error) {
+      console.warn(Error);
    }
  }

@ -131,230 +118,116 @@ export class LegacyWallet extends AbstractWallet {
   * @return {Promise.<void>}
   */
  async fetchUtxo() {
-    const api = new Frisbee({
-      baseURI: 'https://api.blockcypher.com/v1/btc/main/addrs/',
-    });
-
-    let response;
    try {
-      let maxHeight = 0;
-      this.utxo = [];
-      let json;
+      let utxos = await BlueElectrum.multiGetUtxoByAddress([this.getAddress()]);
+      for (let arr of Object.values(utxos)) {
+        this.utxo = this.utxo.concat(arr);
+      }
+    } catch (Error) {
+      console.warn(Error);
+    }

-      do {
-        response = await api.get(
-          this.getAddress() +
-            '?limit=2000&after=' +
-            maxHeight +
-            ((useBlockcypherTokens && '&token=' + this.getRandomBlockcypherToken()) || ''),
-        );
-        json = response.body;
-        if (typeof json === 'undefined' || typeof json.final_balance === 'undefined') {
-          throw new Error('Could not fetch UTXO from API' + response.err);
-        }
-        json.txrefs = json.txrefs || []; // case when source address is empty (or maxheight too high, no txs)
-
-        for (let txref of json.txrefs) {
-          maxHeight = Math.max(maxHeight, txref.block_height) + 1;
-          if (typeof txref.spent !== 'undefined' && txref.spent === false) {
-            this.utxo.push(txref);
-          }
-        }
-      } while (json.txrefs.length);
-
-      json.unconfirmed_txrefs = json.unconfirmed_txrefs || [];
-      this.utxo = this.utxo.concat(json.unconfirmed_txrefs);
-    } catch (err) {
-      console.warn(err);
+    // backward compatibility
+    for (let u of this.utxo) {
+      u.tx_output_n = u.vout;
+      u.tx_hash = u.txId;
+      u.confirmations = u.height ? 1 : 0;
    }
  }

+  getUtxo() {
+    return this.utxo;
+  }
+
  /**
-   * Fetches transactions via API. Returns VOID.
-   * Use getter to get the actual list.
+   * Fetches transactions via Electrum. Returns VOID.
+   * Use getter to get the actual list.   *
+   * @see AbstractHDElectrumWallet.fetchTransactions()
   *
   * @return {Promise.<void>}
   */
  async fetchTransactions() {
-    try {
-      const api = new Frisbee({
-        baseURI: 'https://api.blockcypher.com/',
-      });
+    // Below is a simplified copypaste from HD electrum wallet
+    this._txs_by_external_index = [];
+    let addresses2fetch = [this.getAddress()];

-      let after = 0;
-      let before = 100500100;
-
-      for (let oldTx of this.getTransactions()) {
-        if (oldTx.block_height && oldTx.confirmations < 7) {
-          after = Math.max(after, oldTx.block_height);
-        }
+    // first: batch fetch for all addresses histories
+    let histories = await BlueElectrum.multiGetHistoryByAddress(addresses2fetch);
+    let txs = {};
+    for (let history of Object.values(histories)) {
+      for (let tx of history) {
+        txs[tx.tx_hash] = tx;
      }
-
-      while (1) {
-        let response = await api.get(
-          'v1/btc/main/addrs/' +
-            this.getAddress() +
-            '/full?after=' +
-            after +
-            '&before=' +
-            before +
-            '&limit=50' +
-            ((useBlockcypherTokens && '&token=' + this.getRandomBlockcypherToken()) || ''),
-        );
-        let json = response.body;
-        if (typeof json === 'undefined' || !json.txs) {
-          throw new Error('Could not fetch transactions from API:' + response.err);
-        }
-
-        let alreadyFetchedTransactions = this.transactions;
-        this.transactions = json.txs;
-        this._lastTxFetch = +new Date();
-
-        // now, calculating value per each transaction...
-        for (let tx of this.transactions) {
-          if (tx.block_height) {
-            before = Math.min(before, tx.block_height); // so next time we fetch older TXs
-          }
-
-          // now, if we dont have enough outputs or inputs in response we should collect them from API:
-          if (tx.next_outputs) {
-            let newOutputs = await this._fetchAdditionalOutputs(tx.next_outputs);
-            tx.outputs = tx.outputs.concat(newOutputs);
-          }
-          if (tx.next_inputs) {
-            let newInputs = await this._fetchAdditionalInputs(tx.next_inputs);
-            tx.inputs = tx.inputs.concat(newInputs);
-          }
-
-          // how much came in...
-          let value = 0;
-          for (let out of tx.outputs) {
-            if (out && out.addresses && out.addresses.indexOf(this.getAddress()) !== -1) {
-              // found our address in outs of this TX
-              value += out.value;
-            }
-          }
-          tx.value = value;
-          // end
-
-          // how much came out
-          value = 0;
-          for (let inp of tx.inputs) {
-            if (!inp.addresses) {
-              // console.log('inp.addresses empty');
-              // console.log('got witness', inp.witness); // TODO
-
-              inp.addresses = [];
-              if (inp.witness && inp.witness[1]) {
-                let address = SegwitBech32Wallet.witnessToAddress(inp.witness[1]);
-                inp.addresses.push(address);
-              } else {
-                inp.addresses.push('???');
-              }
-            }
-            if (inp && inp.addresses && inp.addresses.indexOf(this.getAddress()) !== -1) {
-              // found our address in outs of this TX
-              value -= inp.output_value;
-            }
-          }
-          tx.value += value;
-          // end
-        }
-
-        this.transactions = alreadyFetchedTransactions.concat(this.transactions);
-
-        let txsUnconf = [];
-        let txs = [];
-        let hashPresent = {};
-        // now, rearranging TXs. unconfirmed go first:
-        for (let tx of this.transactions.reverse()) {
-          if (hashPresent[tx.hash]) continue;
-          hashPresent[tx.hash] = 1;
-          if (tx.block_height && tx.block_height === -1) {
-            // unconfirmed
-            console.log(tx);
-            if (+new Date(tx.received) < +new Date() - 3600 * 24 * 1000) {
-              // nop, too old unconfirmed tx - skipping it
-            } else {
-              txsUnconf.push(tx);
-            }
-          } else {
-            txs.push(tx);
-          }
-        }
-        this.transactions = txsUnconf.reverse().concat(txs.reverse());
-        // all reverses needed so freshly fetched TXs replace same old TXs
-
-        this.transactions = this.transactions.sort((a, b) => {
-          return a.received < b.received;
-        });
-
-        if (json.txs.length < 50) {
-          // final batch, so it has les than max txs
-          break;
-        }
-      }
-    } catch (err) {
-      console.warn(err);
    }
+
+    // next, batch fetching each txid we got
+    let txdatas = await BlueElectrum.multiGetTransactionByTxid(Object.keys(txs));
+
+    // now, tricky part. we collect all transactions from inputs (vin), and batch fetch them too.
+    // then we combine all this data (we need inputs to see source addresses and amounts)
+    let vinTxids = [];
+    for (let txdata of Object.values(txdatas)) {
+      for (let vin of txdata.vin) {
+        vinTxids.push(vin.txid);
+      }
+    }
+    let vintxdatas = await BlueElectrum.multiGetTransactionByTxid(vinTxids);
+
+    // fetched all transactions from our inputs. now we need to combine it.
+    // iterating all _our_ transactions:
+    for (let txid of Object.keys(txdatas)) {
+      // iterating all inputs our our single transaction:
+      for (let inpNum = 0; inpNum < txdatas[txid].vin.length; inpNum++) {
+        let inpTxid = txdatas[txid].vin[inpNum].txid;
+        let inpVout = txdatas[txid].vin[inpNum].vout;
+        // got txid and output number of _previous_ transaction we shoud look into
+        if (vintxdatas[inpTxid] && vintxdatas[inpTxid].vout[inpVout]) {
+          // extracting amount & addresses from previous output and adding it to _our_ input:
+          txdatas[txid].vin[inpNum].addresses = vintxdatas[inpTxid].vout[inpVout].scriptPubKey.addresses;
+          txdatas[txid].vin[inpNum].value = vintxdatas[inpTxid].vout[inpVout].value;
+        }
+      }
+    }
+
+    // now, we need to put transactions in all relevant `cells` of internal hashmaps: this.transactions_by_internal_index && this.transactions_by_external_index
+
+    for (let tx of Object.values(txdatas)) {
+      for (let vin of tx.vin) {
+        if (vin.addresses && vin.addresses.indexOf(this.getAddress()) !== -1) {
+          // this TX is related to our address
+          let clonedTx = Object.assign({}, tx);
+          clonedTx.inputs = tx.vin.slice(0);
+          clonedTx.outputs = tx.vout.slice(0);
+          delete clonedTx.vin;
+          delete clonedTx.vout;
+
+          this._txs_by_external_index.push(clonedTx);
+        }
+      }
+      for (let vout of tx.vout) {
+        if (vout.scriptPubKey.addresses.indexOf(this.getAddress()) !== -1) {
+          // this TX is related to our address
+          let clonedTx = Object.assign({}, tx);
+          clonedTx.inputs = tx.vin.slice(0);
+          clonedTx.outputs = tx.vout.slice(0);
+          delete clonedTx.vin;
+          delete clonedTx.vout;
+
+          this._txs_by_external_index.push(clonedTx);
+        }
+      }
+    }
+
+    this._lastTxFetch = +new Date();
  }

-  async _fetchAdditionalOutputs(nextOutputs) {
-    let outputs = [];
-    let baseURI = nextOutputs.split('/');
-    baseURI = baseURI[0] + '/' + baseURI[1] + '/' + baseURI[2] + '/';
-    const api = new Frisbee({
-      baseURI: baseURI,
-    });
+  getTransactions() {
+    // a hacky code reuse from electrum HD wallet:
+    this._txs_by_external_index = this._txs_by_external_index || [];
+    this._txs_by_internal_index = [];

-    do {
-      await (() => new Promise(resolve => setTimeout(resolve, 1000)))();
-      nextOutputs = nextOutputs.replace(baseURI, '');
-
-      let response = await api.get(nextOutputs + ((useBlockcypherTokens && '&token=' + this.getRandomBlockcypherToken()) || ''));
-      let json = response.body;
-      if (typeof json === 'undefined') {
-        throw new Error('Could not fetch transactions from API:' + response.err);
-      }
-
-      if (json.outputs && json.outputs.length) {
-        outputs = outputs.concat(json.outputs);
-        nextOutputs = json.next_outputs;
-      } else {
-        break;
-      }
-    } while (1);
-
-    return outputs;
-  }
-
-  async _fetchAdditionalInputs(nextInputs) {
-    let inputs = [];
-    let baseURI = nextInputs.split('/');
-    baseURI = baseURI[0] + '/' + baseURI[1] + '/' + baseURI[2] + '/';
-    const api = new Frisbee({
-      baseURI: baseURI,
-    });
-
-    do {
-      await (() => new Promise(resolve => setTimeout(resolve, 1000)))();
-      nextInputs = nextInputs.replace(baseURI, '');
-
-      let response = await api.get(nextInputs + ((useBlockcypherTokens && '&token=' + this.getRandomBlockcypherToken()) || ''));
-      let json = response.body;
-      if (typeof json === 'undefined') {
-        throw new Error('Could not fetch transactions from API:' + response.err);
-      }
-
-      if (json.inputs && json.inputs.length) {
-        inputs = inputs.concat(json.inputs);
-        nextInputs = json.next_inputs;
-      } else {
-        break;
-      }
-    } while (1);
-
-    return inputs;
+    let hd = new HDSegwitBech32Wallet();
+    return hd.getTransactions.apply(this);
  }

  async broadcastTx(txhex) {
@ -366,66 +239,8 @@ export class LegacyWallet extends AbstractWallet {
    }
  }

-  async _broadcastTxBtczen(txhex) {
-    const api = new Frisbee({
-      baseURI: 'https://btczen.com',
-      headers: {
-        Accept: 'application/json',
-        'Content-Type': 'application/json',
-      },
-    });
-
-    let res = await api.get('/broadcast/' + txhex);
-    console.log('response btczen', res.body);
-    return res.body;
-  }
-
-  async _broadcastTxChainso(txhex) {
-    const api = new Frisbee({
-      baseURI: 'https://chain.so',
-      headers: {
-        Accept: 'application/json',
-        'Content-Type': 'application/json',
-      },
-    });
-
-    let res = await api.post('/api/v2/send_tx/BTC', {
-      body: { tx_hex: txhex },
-    });
-    return res.body;
-  }
-
-  async _broadcastTxSmartbit(txhex) {
-    const api = new Frisbee({
-      baseURI: 'https://api.smartbit.com.au',
-      headers: {
-        Accept: 'application/json',
-        'Content-Type': 'application/json',
-      },
-    });
-
-    let res = await api.post('/v1/blockchain/pushtx', {
-      body: { hex: txhex },
-    });
-    return res.body;
-  }
-
-  async _broadcastTxBlockcypher(txhex) {
-    const api = new Frisbee({
-      baseURI: 'https://api.blockcypher.com',
-      headers: {
-        Accept: 'application/json',
-        'Content-Type': 'application/json',
-      },
-    });
-
-    let res = await api.post('/v1/btc/main/txs/push', { body: { tx: txhex } });
-    // console.log('blockcypher response', res);
-    return res.body;
-  }
-
  /**
-   * Takes UTXOs (as presented by blockcypher api), transforms them into
+   * Takes UTXOs, transforms them into
   * format expected by signer module, creates tx and returns signed string txhex.
   *
   * @param utxos Unspent outputs, expects blockcypher format
@ -462,22 +277,12 @@ export class LegacyWallet extends AbstractWallet {
    return new Date(max).toString();
  }

-  getRandomBlockcypherToken() {
-    return (array => {
-      for (let i = array.length - 1; i > 0; i--) {
-        let j = Math.floor(Math.random() * (i + 1));
-        [array[i], array[j]] = [array[j], array[i]];
-      }
-      return array[0];
-    })([
-      '0326b7107b4149559d18ce80612ef812',
-      'a133eb7ccacd4accb80cb1225de4b155',
-      '7c2b1628d27b4bd3bf8eaee7149c577f',
-      'f1e5a02b9ec84ec4bc8db2349022e5f5',
-      'e5926dbeb57145979153adc41305b183',
-    ]);
-  }
-
+  /**
+   * Validates any address, including legacy, p2sh and bech32
+   *
+   * @param address
+   * @returns {boolean}
+   */
  isAddressValid(address) {
    try {
      bitcoin.address.toOutputScript(address);
@ -486,4 +291,8 @@ export class LegacyWallet extends AbstractWallet {
      return false;
    }
  }
+
+  weOwnAddress(address) {
+    return this.getAddress() === address || this._address === address;
+  }
 }
--- a/class/segwit-bech-wallet.js
+++ b/class/segwit-bech-wallet.js
@ -10,6 +10,10 @@ export class SegwitBech32Wallet extends LegacyWallet {
    let address;
    try {
      let keyPair = bitcoin.ECPair.fromWIF(this.secret);
+      if (!keyPair.compressed) {
+        console.warn('only compressed public keys are good for segwit');
+        return false;
+      }
      address = bitcoin.payments.p2wpkh({
        pubkey: keyPair.publicKey,
      }).address;
--- a/class/segwit-p2sh-wallet.js
+++ b/class/segwit-p2sh-wallet.js
@ -22,10 +22,6 @@ export class SegwitP2SHWallet extends LegacyWallet {
  static type = 'segwitP2SH';
  static typeReadable = 'SegWit (P2SH)';

-  allowRBF() {
-    return true;
-  }
-
  static witnessToAddress(witness) {
    const pubKey = Buffer.from(witness, 'hex');
    return pubkeyToP2shSegwitAddress(pubKey);
--- a/class/walletImport.js
+++ b/class/walletImport.js
@ -125,7 +125,7 @@ export default class WalletImport {
      if (hd4.validateMnemonic()) {
        await hd4.fetchBalance();
        if (hd4.getBalance() > 0) {
-          await hd4.fetchTransactions();
+          // await hd4.fetchTransactions(); // experiment: dont fetch tx now. it will import faster. user can refresh his wallet later
          return WalletImport._saveWallet(hd4);
        }
      }
@ -168,7 +168,7 @@ export default class WalletImport {
      if (hd1.validateMnemonic()) {
        await hd1.fetchBalance();
        if (hd1.getBalance() > 0) {
-          await hd1.fetchTransactions();
+          // await hd1.fetchTransactions(); // experiment: dont fetch tx now. it will import faster. user can refresh his wallet later
          return WalletImport._saveWallet(hd1);
        }
      }
@ -178,7 +178,7 @@ export default class WalletImport {
      if (hd2.validateMnemonic()) {
        await hd2.fetchBalance();
        if (hd2.getBalance() > 0) {
-          await hd2.fetchTransactions();
+          // await hd2.fetchTransactions(); // experiment: dont fetch tx now. it will import faster. user can refresh his wallet later
          return WalletImport._saveWallet(hd2);
        }
      }
@ -188,7 +188,7 @@ export default class WalletImport {
      if (hd3.validateMnemonic()) {
        await hd3.fetchBalance();
        if (hd3.getBalance() > 0) {
-          await hd3.fetchTransactions();
+          // await hd3.fetchTransactions(); // experiment: dont fetch tx now. it will import faster. user can refresh his wallet later
          return WalletImport._saveWallet(hd3);
        }
      }
@ -230,7 +230,7 @@ export default class WalletImport {
      let watchOnly = new WatchOnlyWallet();
      watchOnly.setSecret(importText);
      if (watchOnly.valid()) {
-        await watchOnly.fetchTransactions();
+        // await watchOnly.fetchTransactions(); // experiment: dont fetch tx now. it will import faster. user can refresh his wallet later
        await watchOnly.fetchBalance();
        return WalletImport._saveWallet(watchOnly, additionalProperties);
      }
--- a/ios/BlueWallet/Info.plist
+++ b/ios/BlueWallet/Info.plist
@ -48,7 +48,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.0.1</string>
+	<string>5.1.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>
--- a/Extension/Info.plist
+++ b/Extension/Info.plist
@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>XPC!</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.0.1</string>
+	<string>5.1.0</string>
 	<key>CFBundleVersion</key>
 	<string>239</string>
 	<key>CLKComplicationPrincipalClass</key>
--- a/ios/BlueWalletWatch/Info.plist
+++ b/ios/BlueWalletWatch/Info.plist
@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.0.1</string>
+	<string>5.1.0</string>
 	<key>CFBundleVersion</key>
 	<string>239</string>
 	<key>UISupportedInterfaceOrientations</key>
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@ -68,25 +68,23 @@ PODS:
    - React
  - react-native-blur (0.8.0):
    - React
-  - react-native-camera (3.4.0):
+  - react-native-camera (3.17.0):
    - React
-    - react-native-camera/RCT (= 3.4.0)
-    - react-native-camera/RN (= 3.4.0)
-  - react-native-camera/RCT (3.4.0):
+    - react-native-camera/RCT (= 3.17.0)
+    - react-native-camera/RN (= 3.17.0)
+  - react-native-camera/RCT (3.17.0):
    - React
-  - react-native-camera/RN (3.4.0):
+  - react-native-camera/RN (3.17.0):
    - React
  - react-native-document-picker (3.2.0):
    - React
-  - react-native-haptic-feedback (1.7.1):
-    - React
  - react-native-image-picker (1.1.0):
    - React
  - react-native-randombytes (3.5.3):
    - React
  - react-native-slider (2.0.8):
    - React
-  - react-native-webview (6.9.0):
+  - react-native-webview (6.11.1):
    - React
  - React-RCTActionSheet (0.60.5):
    - React-Core (= 0.60.5)
@ -115,30 +113,32 @@ PODS:
    - React
  - RemobileReactNativeQrcodeLocalImage (1.0.4):
    - React
-  - RNCAsyncStorage (1.6.2):
+  - RNCAsyncStorage (1.7.1):
    - React
  - RNDefaultPreference (1.4.1):
    - React
  - RNDeviceInfo (4.0.1):
    - React
-  - RNFS (2.13.3):
+  - RNFS (2.16.4):
    - React
-  - RNGestureHandler (1.3.0):
+  - RNGestureHandler (1.5.6):
    - React
  - RNHandoff (0.0.3):
    - React
  - RNQuickAction (0.3.13):
    - React
-  - RNRate (1.0.1):
+  - RNRate (1.1.10):
+    - React
+  - RNReactNativeHapticFeedback (1.9.0):
    - React
  - RNSecureKeyStore (1.0.0):
    - React
-  - RNSentry (1.2.1):
+  - RNSentry (1.3.1):
    - React
    - Sentry (~> 4.4.0)
  - RNShare (2.0.0):
    - React
-  - RNSVG (9.5.1):
+  - RNSVG (9.13.6):
    - React
  - RNVectorIcons (6.6.0):
    - React
@ -172,7 +172,6 @@ DEPENDENCIES:
  - "react-native-blur (from `../node_modules/@react-native-community/blur`)"
  - react-native-camera (from `../node_modules/react-native-camera`)
  - react-native-document-picker (from `../node_modules/react-native-document-picker`)
-  - react-native-haptic-feedback (from `../node_modules/react-native-haptic-feedback`)
  - react-native-image-picker (from `../node_modules/react-native-image-picker`)
  - react-native-randombytes (from `../node_modules/react-native-randombytes`)
  - "react-native-slider (from `../node_modules/@react-native-community/slider`)"
@ -196,7 +195,8 @@ DEPENDENCIES:
  - RNGestureHandler (from `../node_modules/react-native-gesture-handler`)
  - RNHandoff (from `../node_modules/react-native-handoff`)
  - RNQuickAction (from `../node_modules/react-native-quick-actions`)
-  - RNRate (from `../node_modules/react-native-rate/ios`)
+  - RNRate (from `../node_modules/react-native-rate`)
+  - RNReactNativeHapticFeedback (from `../node_modules/react-native-haptic-feedback`)
  - RNSecureKeyStore (from `../node_modules/react-native-secure-key-store/ios`)
  - "RNSentry (from `../node_modules/@sentry/react-native`)"
  - RNShare (from `../node_modules/react-native-share`)
@ -208,7 +208,7 @@ DEPENDENCIES:
  - yoga (from `../node_modules/react-native/ReactCommon/yoga`)

 SPEC REPOS:
-  https://github.com/cocoapods/specs.git:
+  trunk:
    - boost-for-react-native
    - EFQRCode
    - lottie-ios
@ -248,8 +248,6 @@ EXTERNAL SOURCES:
    :path: "../node_modules/react-native-camera"
  react-native-document-picker:
    :path: "../node_modules/react-native-document-picker"
-  react-native-haptic-feedback:
-    :path: "../node_modules/react-native-haptic-feedback"
  react-native-image-picker:
    :path: "../node_modules/react-native-image-picker"
  react-native-randombytes:
@ -297,7 +295,9 @@ EXTERNAL SOURCES:
  RNQuickAction:
    :path: "../node_modules/react-native-quick-actions"
  RNRate:
-    :path: "../node_modules/react-native-rate/ios"
+    :path: "../node_modules/react-native-rate"
+  RNReactNativeHapticFeedback:
+    :path: "../node_modules/react-native-haptic-feedback"
  RNSecureKeyStore:
    :path: "../node_modules/react-native-secure-key-store/ios"
  RNSentry:
@ -335,13 +335,12 @@ SPEC CHECKSUMS:
  React-jsinspector: e08662d1bf5b129a3d556eb9ea343a3f40353ae4
  react-native-biometrics: c892904948a32295b128f633bcc11eda020645c5
  react-native-blur: cad4d93b364f91e7b7931b3fa935455487e5c33c
-  react-native-camera: 203091b4bf99d48b788a0682ad573e8718724893
+  react-native-camera: 4ead7a30a89f275f531d80aa720cc69363c38135
  react-native-document-picker: e3516aff0dcf65ee0785d9bcf190eb10e2261154
-  react-native-haptic-feedback: 22c9dc85fd8059f83bf9edd9212ac4bd4ae6074d
  react-native-image-picker: 3637d63fef7e32a230141ab4660d3ceb773c824f
  react-native-randombytes: 991545e6eaaf700b4ee384c291ef3d572e0b2ca8
  react-native-slider: b2f361499888302147205f17f6fffa921a7bda70
-  react-native-webview: f72ac4078e115dfa741cc588acb1cca25566457d
+  react-native-webview: f11ac6c8bcaba5b71ddda1c12a10c8ea059b080f
  React-RCTActionSheet: b0f1ea83f4bf75fb966eae9bfc47b78c8d3efd90
  React-RCTAnimation: 359ba1b5690b1e87cc173558a78e82d35919333e
  React-RCTBlob: 5e2b55f76e9a1c7ae52b826923502ddc3238df24
@ -354,18 +353,19 @@ SPEC CHECKSUMS:
  React-RCTWebSocket: cd932a16b7214898b6b7f788c8bddb3637246ac4
  ReactNativePrivacySnapshot: cc295e45dc22810e9ff2c93380d643de20a77015
  RemobileReactNativeQrcodeLocalImage: 57aadc12896b148fb5e04bc7c6805f3565f5c3fa
-  RNCAsyncStorage: 5ae4d57458804e99f73d427214442a6b10a53856
+  RNCAsyncStorage: 8539fc80a0075fcc9c8e2dff84cd22dc5bf1dacf
  RNDefaultPreference: 12d246dd2222e66dadcd76cc1250560663befc3a
  RNDeviceInfo: 12faae605ba42a1a5041c3c41a77834bc23f049d
-  RNFS: c9bbde46b0d59619f8e7b735991c60e0f73d22c1
-  RNGestureHandler: 5329a942fce3d41c68b84c2c2276ce06a696d8b0
+  RNFS: 90d1a32d3bc8f75cc7fc3dd2f67506049664346b
+  RNGestureHandler: 911d3b110a7a233a34c4f800e7188a84b75319c6
  RNHandoff: d3b0754cca3a6bcd9b25f544f733f7f033ccf5fa
  RNQuickAction: 6d404a869dc872cde841ad3147416a670d13fa93
-  RNRate: 29be49c24b314c4e8ec09d848c3965f61cb0be47
+  RNRate: d44a8bca6ee08f5d890ecccddaec2810955ffbb3
+  RNReactNativeHapticFeedback: 2566b468cc8d0e7bb2f84b23adc0f4614594d071
  RNSecureKeyStore: f1ad870e53806453039f650720d2845c678d89c8
-  RNSentry: 9b1d983b2d5d1c215ba6490348fd2a4cc23a8a9d
+  RNSentry: 6458ba85aa3f8ae291abed4f72abbd7080839c71
  RNShare: 8b171d4b43c1d886917fdd303bf7a4b87167b05c
-  RNSVG: 0eb087cfb5d7937be93c45b163b26352a647e681
+  RNSVG: 8ba35cbeb385a52fd960fd28db9d7d18b4c2974f
  RNVectorIcons: 0bb4def82230be1333ddaeee9fcba45f0b288ed4
  RNWatch: a36ea17fac675b98b1d8cd41604af68cf1fa9a03
  Sentry: 14bdd673870e8cf64932b149fad5bbbf39a9b390
@ -376,4 +376,4 @@ SPEC CHECKSUMS:

 PODFILE CHECKSUM: f93db402b02d7f01a8bc51d9b2cc10a39391b081

-COCOAPODS: 1.7.5
+COCOAPODS: 1.8.4
--- a/ios/TodayExtension/Info.plist
+++ b/ios/TodayExtension/Info.plist
@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.0.1</string>
+	<string>5.1.0</string>
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>NSExtension</key>
--- a/ios/fastlane/metadata/en-US/release_notes.txt
+++ b/ios/fastlane/metadata/en-US/release_notes.txt
@ -1,3 +1,18 @@
+v5.1.0
+======
+
+* FIX: weird import screen scan qr code behaviour
+* FIX: allow using unconfirmed utxo when creating transaction
+* REF: removed obsolete single address RBF;
+* REF: refactored breadwallet format a bit
+* FIX: Wallet name input character entry bug
+* REF: experimental - dont fetch transactions when importing wallet, only balance. should be faster. txs can be fetched later manually
+* FIX: Import ColdCard wallet using JSON's label.
+* REF: German translations
+* REF: now BIP44 works through electrum
+* REF: single-address wallets now work through electrum
+* REF: wallet export screen improvements
+
 v5.0.0
 ======

@ -40,19 +55,4 @@ v4.9.2
 * FIX: Don't show wallet export warning if wallet was imported
 * REF: Reworked Import wallet flow
 * REF: BIP49 to use electrum
-* REF: Custom receive
-
-
-v4.9.0
-======
-
-* ADD: Native segwit (BIP84) are now default wallets
-* ADD: Toggle to turn off RBF when creating a transaction
-* ADD: Scroll to end of wallets list when adding a wallet
-* FIX: Default LN invoice expiry is now 24h instead of 1h
-* FIX: Speeded up lighnint wallets
-* FIX: Force Light theme mode even if system is in dark mode
-* FIX: Hide Manage Funds button if wallet doesn't allow onchain refill.
-* FIX: LN Scan to receive is more visible
-* FIX: Quick actions not appearing on non-3d touch devices.
-* FIX: Dont show clipboard modal when biometrics  is dismissed
+* REF: Custom receive
--- a/loc/de_DE.js
+++ b/loc/de_DE.js
@ -25,8 +25,8 @@ module.exports = {
      empty_txs1: 'Deine Transaktionen erscheinen hier',
      empty_txs2: 'Noch keine Transaktionen',
      empty_txs1_lightning:
-        'Lightning wallet should be used for your daily transactions. Fees are unfairly cheap and speed is blazing fast.',
-      empty_txs2_lightning: '\nTo start using it tap on "manage funds" and topup your balance.',
+        'Verwende das Lightning Wallet für Deine täglichen Bezahlungen. Lightning Transaktionen sind konkurrenzlos günstig und verblüffend schnell.',
+      empty_txs2_lightning: '\nDrücke zum Starten «Beträge verwalten», um das Wallet zu laden.',
      tap_here_to_buy: 'Klicke hier, um Bitcoin zu kaufen',
    },
    reorder: {
@ -52,7 +52,7 @@ module.exports = {
    details: {
      title: 'Wallet',
      address: 'Adresse',
-      master_fingerprint: 'Master fingerprint',
+      master_fingerprint: 'Fingerabdruckerkennung',
      type: 'Typ',
      label: 'Bezeichnung',
      destination: 'Zieladresse',
@ -105,7 +105,7 @@ module.exports = {
      tabBarLabel: 'Transaktionen',
      title: 'Transaktionen',
      description: 'Eine Liste eingehender oder ausgehender Transaktionen deiner Wallets',
-      conf: 'conf',
+      conf: 'Konf',
    },
    details: {
      title: 'Transaktionen',
@ -130,7 +130,7 @@ module.exports = {
      fee_placeholder: 'plus Gebühr (in BTC)',
      note_placeholder: 'Notiz',
      cancel: 'Abbrechen',
-      scan: 'Scan',
+      scan: 'Scannen',
      send: 'Senden',
      create: 'Erstellen',
      remaining_balance: 'Verfügbarer Betrag',
@ -165,10 +165,10 @@ module.exports = {
      share: 'Teilen',
      copiedToClipboard: 'In die Zwischenablage kopiert.',
      label: 'Beschreibung',
-      create: 'Create',
+      create: 'Erstelle',
      setAmount: 'Zu erhaltender Betrag',
    },
-    scan_lnurl: 'Scan to receive',
+    scan_lnurl: 'Scannen, zum Erhalten',
  },
  buyBitcoin: {
    header: 'Kaufe Bitcoin',
@ -190,14 +190,14 @@ module.exports = {
      'Bitte installier Lndhub, um mit deiner eigenen LND Node zu verbinden' +
      ' und setz seine URL hier in den Einstellungen. Lass das Feld leer, um Standard- ' +
      'LndHub\n (lndhub.io) zu verwenden',
-    electrum_settings: 'Electrum Settings',
-    electrum_settings_explain: 'Set to blank to use default',
+    electrum_settings: 'Electrum Einstellungen',
+    electrum_settings_explain: 'Leer lassen, um den Standard zu verwenden.',
    save: 'Speichern',
    about: 'Über',
    language: 'Sprache',
    currency: 'Währung',
-    advanced_options: 'Advanced Options',
-    enable_advanced_mode: 'Enable advanced mode',
+    advanced_options: 'Erweiterte Optionen',
+    enable_advanced_mode: 'Erweiterter Modus verwenden',
  },
  plausibledeniability: {
    title: 'Glaubhafte Täuschung',
@ -226,24 +226,24 @@ module.exports = {
    refill_lnd_balance: 'Lade deine Lightning Wallet auf',
    refill: 'Aufladen',
    withdraw: 'Abheben',
-    expired: 'Expired',
-    placeholder: 'Invoice',
+    expired: 'Abgelaufen',
+    placeholder: 'Rechnung',
    sameWalletAsInvoiceError:
      'Du kannst nicht die Rechnung mit der Wallet begleichen, die du für die Erstellung dieser Rechnung verwendet hast.',
  },
  pleasebackup: {
-    title: 'Your wallet is created...',
+    title: 'Ihr Wallet wird erstellt...',
    text:
-      "Please take a moment to write down this mnemonic phrase on a piece of paper. It's your backup you can use to restore the wallet on other device.",
-    ok: 'OK, I wrote this down!',
+      'Nimm Dir Zeit die mnemonischen Wörter zur späteren Wiederherstellung des Wallets aufzuschreiben. Die Wörter sind dien einziges Backup im Fall eines Geräteverlustes.',
+    ok: 'Ja, mein Geld ist sicher!',
  },
  lndViewInvoice: {
-    wasnt_paid_and_expired: 'This invoice was not paid for and has expired',
-    has_been_paid: 'This invoice has been paid for',
-    please_pay: 'Please pay',
+    wasnt_paid_and_expired: 'Diese Rechnung ist unbezahlt und abgelaufen.',
+    has_been_paid: 'Diese Rechnung wurde bezahlt.',
+    please_pay: 'Bitte zahle',
    sats: 'sats',
-    for: 'For:',
+    for: 'für:',
    additional_info: 'Additional Information',
-    open_direct_channel: 'Open direct channel with this node:',
+    open_direct_channel: 'Direkten Kanal zu diesem Knoten eröffnen:',
  },
 };
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
  "name": "BlueWallet",
-  "version": "5.0.1",
+  "version": "5.1.0",
  "devDependencies": {
    "@babel/core": "^7.5.0",
    "@babel/runtime": "^7.5.1",
@ -52,31 +52,31 @@
    ]
  },
  "dependencies": {
-    "@babel/preset-env": "7.5.0",
-    "@react-native-community/async-storage": "1.6.2",
+    "@babel/preset-env": "7.8.4",
+    "@react-native-community/async-storage": "1.7.1",
    "@react-native-community/blur": "3.4.1",
    "@react-native-community/slider": "2.0.8",
    "@remobile/react-native-qrcode-local-image": "git+https://github.com/BlueWallet/react-native-qrcode-local-image.git",
-    "@sentry/react-native": "1.2.1",
-    "amplitude-js": "5.6.0",
+    "@sentry/react-native": "1.3.1",
+    "amplitude-js": "5.9.0",
    "bech32": "1.1.3",
    "bignumber.js": "9.0.0",
    "bip21": "2.0.2",
-    "bip32": "2.0.3",
+    "bip32": "2.0.5",
    "bip39": "2.5.0",
    "bitcoinjs-lib": "5.1.6",
    "bolt11": "1.2.7",
-    "buffer": "5.2.1",
+    "buffer": "5.4.3",
    "buffer-reverse": "1.0.1",
    "coinselect": "3.1.11",
    "crypto-js": "3.1.9-1",
-    "dayjs": "1.8.14",
+    "dayjs": "1.8.20",
    "ecurve": "1.0.6",
    "electrum-client": "git+https://github.com/BlueWallet/rn-electrum-client.git",
    "eslint-config-prettier": "6.10.0",
    "eslint-config-standard": "12.0.0",
    "eslint-config-standard-react": "7.0.2",
-    "eslint-plugin-prettier": "3.1.0",
+    "eslint-plugin-prettier": "3.1.2",
    "eslint-plugin-standard": "4.0.0",
    "events": "1.1.1",
    "frisbee": "2.0.9",
@ -85,50 +85,50 @@
    "mocha": "5.2.0",
    "node-libs-react-native": "1.0.3",
    "path-browserify": "1.0.0",
-    "prettier": "1.18.2",
+    "prettier": "1.19.1",
    "process": "0.11.10",
    "prop-types": "15.7.2",
    "react": "16.8.6",
-    "react-localization": "1.0.13",
+    "react-localization": "1.0.15",
    "react-native": "0.60.5",
    "react-native-biometrics": "git+https://github.com/BlueWallet/react-native-biometrics.git#2.0.0",
-    "react-native-camera": "3.4.0",
+    "react-native-camera": "3.17.0",
    "react-native-default-preference": "1.4.1",
    "react-native-device-info": "4.0.1",
    "react-native-document-picker": "git+https://github.com/BlueWallet/react-native-document-picker.git#9ce83792db340d01b1361d24b19613658abef4aa",
    "react-native-elements": "0.19.0",
    "react-native-flexi-radio-button": "0.2.2",
-    "react-native-fs": "2.13.3",
-    "react-native-gesture-handler": "1.3.0",
+    "react-native-fs": "2.16.4",
+    "react-native-gesture-handler": "1.5.6",
    "react-native-handoff": "git+https://github.com/marcosrdz/react-native-handoff.git",
-    "react-native-haptic-feedback": "1.7.1",
+    "react-native-haptic-feedback": "1.9.0",
    "react-native-image-picker": "1.1.0",
    "react-native-level-fs": "3.0.1",
-    "react-native-linear-gradient": "2.5.4",
-    "react-native-modal": "11.1.0",
+    "react-native-linear-gradient": "2.5.6",
+    "react-native-modal": "11.5.3",
    "react-native-obscure": "1.2.1",
    "react-native-popup-menu-android": "1.0.3",
    "react-native-privacy-snapshot": "git+https://github.com/BlueWallet/react-native-privacy-snapshot.git",
    "react-native-prompt-android": "git+https://github.com/marcosrdz/react-native-prompt-android.git",
-    "react-native-qrcode-svg": "5.1.2",
+    "react-native-qrcode-svg": "5.3.2",
    "react-native-quick-actions": "0.3.13",
    "react-native-randombytes": "3.5.3",
-    "react-native-rate": "1.1.7",
+    "react-native-rate": "1.1.10",
    "react-native-secure-key-store": "git+https://github.com/marcosrdz/react-native-secure-key-store.git#38332f629f577cdd57c69fc8cc971b3cbad193c9",
    "react-native-share": "2.0.0",
    "react-native-snap-carousel": "3.8.4",
    "react-native-sortable-list": "0.0.23",
-    "react-native-svg": "9.5.1",
+    "react-native-svg": "9.13.6",
    "react-native-swiper": "git+https://github.com/BlueWallet/react-native-swiper.git#1.5.14",
    "react-native-tcp": "git+https://github.com/aprock/react-native-tcp.git",
    "react-native-tooltip": "git+https://github.com/marcosrdz/react-native-tooltip.git",
    "react-native-vector-icons": "6.6.0",
    "react-native-watch-connectivity": "0.4.2",
-    "react-native-webview": "6.9.0",
+    "react-native-webview": "6.11.1",
    "react-navigation": "3.11.0",
    "react-navigation-hooks": "1.1.0",
    "react-test-render": "1.1.2",
-    "readable-stream": "3.4.0",
+    "readable-stream": "3.6.0",
    "secure-random": "1.1.2",
    "stream-browserify": "2.0.2",
    "url": "0.11.0",
--- a/screen/lnd/lndCreateInvoice.js
+++ b/screen/lnd/lndCreateInvoice.js
@ -79,8 +79,7 @@ export default class LNDCreateInvoice extends Component {
        onFailure: () => {
          this.props.navigation.dismiss();
          this.props.navigation.navigate('WalletExport', {
-            address: this.state.fromWallet.getAddress(),
-            secret: this.state.fromWallet.getSecret(),
+            wallet: this.state.fromWallet,
          });
        },
      });
@ -210,7 +209,7 @@ export default class LNDCreateInvoice extends Component {
      <TouchableOpacity
        disabled={this.state.isLoading}
        onPress={() => {
-          NavigationService.navigate('ScanQrAddress', {
+          NavigationService.navigate('ScanQRCode', {
            onBarScanned: this.processLnurl,
            launchedBy: this.props.navigation.state.routeName,
          });
--- a/screen/receive/details.js
+++ b/screen/receive/details.js
@ -109,8 +109,7 @@ export default class ReceiveDetails extends Component {
          onFailure: () => {
            this.props.navigation.goBack();
            this.props.navigation.navigate('WalletExport', {
-              address: this.wallet.getAddress(),
-              secret: this.wallet.getSecret(),
+              wallet: this.wallet,
            });
          },
        });
--- a/screen/send/scanQrAddress.js
+++ b/screen/send/scanQrAddress.js
@ -9,6 +9,7 @@ import { useNavigationParam, useNavigation } from 'react-navigation-hooks';
 import DocumentPicker from 'react-native-document-picker';
 import RNFS from 'react-native-fs';
 const LocalQRCode = require('@remobile/react-native-qrcode-local-image');
+const createHash = require('create-hash');

 const ScanQRCode = ({
  onBarScanned = useNavigationParam('onBarScanned'),
@ -21,7 +22,23 @@ const ScanQRCode = ({
  const [isLoading, setIsLoading] = useState(false);
  const { navigate, goBack } = useNavigation();

+  const scannedCache = {};
+
+  const HashIt = function(s) {
+    return createHash('sha256')
+      .update(s)
+      .digest()
+      .toString('hex');
+  };
+
  const onBarCodeRead = ret => {
+    const h = HashIt(ret.data);
+    if (scannedCache[h]) {
+      // this QR was already scanned by this ScanQRCode, lets prevent firing duplicate callbacks
+      return;
+    }
+    scannedCache[h] = +new Date();
+
    if (!isLoading && !cameraPreviewIsPaused) {
      setIsLoading(true);
      try {
@ -51,7 +68,7 @@ const ScanQRCode = ({
        if (fileParsed.keystore.ckcc_xfp) {
          masterFingerprint = Number(fileParsed.keystore.ckcc_xfp);
        }
-        onBarCodeRead({ data: fileParsed.keystore.xpub, additionalProperties: { masterFingerprint } });
+        onBarCodeRead({ data: fileParsed.keystore.xpub, additionalProperties: { masterFingerprint, label: fileParsed.keystore.label } });
      } else {
        throw new Error();
      }
--- a/screen/settings/about.js
+++ b/screen/settings/about.js
@ -121,12 +121,10 @@ const About = () => {
          <BlueText h3>Built with awesome:</BlueText>
          <BlueSpacing20 />
          <BlueText h4>* React Native</BlueText>
-          <BlueText h4>* Bitcoinjs-lib</BlueText>
-          <BlueText h4>* blockcypher.com API</BlueText>
+          <BlueText h4>* bitcoinjs-lib</BlueText>
          <BlueText h4>* Nodejs</BlueText>
-          <BlueText h4>* react-native-elements</BlueText>
-          <BlueText h4>* rn-nodeify</BlueText>
-          <BlueText h4>* bignumber.js</BlueText>
+          <BlueText h4>* Electrum server</BlueText>
+          <BlueSpacing20 />
          <BlueSpacing20 />

          <BlueButton onPress={handleOnReleaseNotesPress} title="Release notes" />
--- a/screen/transactions/RBF-create.js
+++ b/screen/transactions/RBF-create.js
@ -1,255 +0,0 @@
-/** @type {AppStorage}  */
-/* global alert */
-import React, { Component } from 'react';
-import { TextInput, View, ActivtyIndicator } from 'react-native';
-import { FormValidationMessage } from 'react-native-elements';
-import {
-  BlueLoading,
-  BlueSpacing20,
-  BlueButton,
-  SafeBlueArea,
-  BlueCard,
-  BlueText,
-  BlueSpacing,
-  BlueNavigationStyle,
-} from '../../BlueComponents';
-import PropTypes from 'prop-types';
-const bitcoinjs = require('bitcoinjs-lib');
-let BigNumber = require('bignumber.js');
-let BlueApp = require('../../BlueApp');
-
-export default class SendCreate extends Component {
-  static navigationOptions = () => ({
-    ...BlueNavigationStyle(null, false),
-    title: 'Create RBF',
-  });
-  constructor(props) {
-    super(props);
-    console.log('send/create constructor');
-    if (!props.navigation.state.params.feeDelta) {
-      props.navigation.state.params.feeDelta = '0';
-    }
-    this.state = {
-      isLoading: true,
-      feeDelta: props.navigation.state.params.feeDelta,
-      newDestinationAddress: props.navigation.state.params.newDestinationAddress,
-      txid: props.navigation.state.params.txid,
-      sourceTx: props.navigation.state.params.sourceTx,
-      fromWallet: props.navigation.state.params.sourceWallet,
-    };
-  }
-
-  async componentDidMount() {
-    console.log('RBF-create - componentDidMount');
-
-    let utxo = [];
-
-    let lastSequence = 0;
-    let totalInputAmountSatoshi = 0;
-    for (let input of this.state.sourceTx.inputs) {
-      if (input.sequence > lastSequence) {
-        lastSequence = input.sequence;
-      }
-      totalInputAmountSatoshi += input.output_value;
-      // let amount = new BigNumber(input.output_value)
-      // amount = amount.div(10000000).toString(10)
-      utxo.push({
-        tx_hash: input.prev_hash,
-        tx_output_n: input.output_index,
-        value: input.output_value,
-      });
-    }
-
-    // check seq=MAX and fail if it is
-    if (lastSequence === bitcoinjs.Transaction.DEFAULT_SEQUENCE) {
-      return this.setState({
-        isLoading: false,
-        nonReplaceable: true,
-      });
-      // lastSequence = 1
-    }
-
-    let txMetadata = BlueApp.tx_metadata[this.state.txid];
-    if (txMetadata) {
-      if (txMetadata.last_sequence) {
-        lastSequence = Math.max(lastSequence, txMetadata.last_sequence);
-      }
-    }
-
-    lastSequence += 1;
-
-    let changeAddress;
-    let transferAmount;
-    let totalOutputAmountSatoshi = 0;
-    for (let o of this.state.sourceTx.outputs) {
-      totalOutputAmountSatoshi += o.value;
-      if (o.addresses[0] === this.state.fromWallet.getAddress()) {
-        // change
-        changeAddress = o.addresses[0];
-      } else {
-        transferAmount = new BigNumber(o.value);
-        transferAmount = transferAmount.dividedBy(100000000).toString(10);
-      }
-    }
-    let oldFee = new BigNumber(totalInputAmountSatoshi - totalOutputAmountSatoshi);
-    oldFee = parseFloat(oldFee.dividedBy(100000000).toString(10));
-
-    console.log('changeAddress = ', changeAddress);
-    console.log('utxo', utxo);
-    console.log('lastSequence', lastSequence);
-    console.log('totalInputAmountSatoshi', totalInputAmountSatoshi);
-    console.log('totalOutputAmountSatoshi', totalOutputAmountSatoshi);
-    console.log('transferAmount', transferAmount);
-    console.log('oldFee', oldFee);
-
-    let newFee = new BigNumber(oldFee);
-    newFee = newFee.plus(this.state.feeDelta).toString(10);
-    console.log('new Fee', newFee);
-
-    // creating TX
-
-    setTimeout(() => {
-      // more responsive
-      let tx;
-      try {
-        tx = this.state.fromWallet.createTx(utxo, transferAmount, newFee, this.state.newDestinationAddress, false, lastSequence);
-        BlueApp.tx_metadata[this.state.txid] = txMetadata || {};
-        BlueApp.tx_metadata[this.state.txid]['last_sequence'] = lastSequence;
-
-        // in case new TX get confirmed, we must save metadata under new txid
-        let bitcoin = bitcoinjs;
-        let txDecoded = bitcoin.Transaction.fromHex(tx);
-        let txid = txDecoded.getId();
-        BlueApp.tx_metadata[txid] = BlueApp.tx_metadata[this.state.txid];
-        BlueApp.tx_metadata[txid]['txhex'] = tx;
-        //
-        BlueApp.saveToDisk();
-        console.log('BlueApp.txMetadata[this.state.txid]', BlueApp.tx_metadata[this.state.txid]);
-      } catch (err) {
-        console.log(err);
-        return this.setState({
-          isError: true,
-          errorMessage: JSON.stringify(err.message),
-        });
-      }
-
-      let newFeeSatoshi = new BigNumber(newFee);
-      newFeeSatoshi = parseInt(newFeeSatoshi.multipliedBy(100000000));
-      let satoshiPerByte = Math.round(newFeeSatoshi / (tx.length / 2));
-      this.setState({
-        isLoading: false,
-        size: Math.round(tx.length / 2),
-        tx,
-        satoshiPerByte: satoshiPerByte,
-        amount: transferAmount,
-        fee: newFee,
-      });
-    }, 10);
-  }
-
-  async broadcast() {
-    this.setState({ isLoading: true }, async () => {
-      console.log('broadcasting', this.state.tx);
-      let result = await this.state.fromWallet.broadcastTx(this.state.tx);
-      console.log('broadcast result = ', result);
-      if (typeof result === 'string') {
-        try {
-          result = JSON.parse(result);
-        } catch (_) {
-          result = { result };
-        }
-      }
-      if (result && result.error) {
-        alert(JSON.stringify(result.error));
-        this.setState({ isLoading: false });
-      } else {
-        alert(JSON.stringify(result.result || result.txid));
-        this.props.navigation.navigate('TransactionStatus');
-      }
-    });
-  }
-
-  render() {
-    if (this.state.isError) {
-      return (
-        <SafeBlueArea style={{ flex: 1, paddingTop: 20 }}>
-          <BlueSpacing />
-          <BlueCard title={'Replace Transaction'} style={{ alignItems: 'center', flex: 1 }}>
-            <BlueText>Error creating transaction. Invalid address or send amount?</BlueText>
-            <FormValidationMessage>{this.state.errorMessage}</FormValidationMessage>
-          </BlueCard>
-          <BlueButton onPress={() => this.props.navigation.goBack()} title="Go back" />
-        </SafeBlueArea>
-      );
-    }
-
-    if (this.state.isLoading) {
-      return <BlueLoading />;
-    }
-
-    if (this.state.nonReplaceable) {
-      return (
-        <SafeBlueArea style={{ flex: 1, paddingTop: 20 }}>
-          <View style={{ flex: 1, justifyContent: 'center', alignContent: 'center' }}>
-            <BlueText h4 style={{ textAlign: 'center' }}>
-              This transaction is not replaceable
-            </BlueText>
-          </View>
-        </SafeBlueArea>
-      );
-    }
-
-    return (
-      <SafeBlueArea style={{ flex: 1, paddingTop: 20 }}>
-        <BlueSpacing />
-        <BlueCard title={'Replace Transaction'} style={{ alignItems: 'center', flex: 1 }}>
-          <BlueText>This is your transaction's hex, signed and ready to be broadcasted to the network. Continue?</BlueText>
-
-          <TextInput
-            style={{
-              borderColor: '#ebebeb',
-              borderWidth: 1,
-              marginTop: 20,
-              color: '#ebebeb',
-            }}
-            maxHeight={70}
-            multiline
-            editable={false}
-            value={this.state.tx}
-          />
-
-          <BlueSpacing20 />
-
-          <BlueText style={{ paddingTop: 20 }}>To: {this.state.newDestinationAddress}</BlueText>
-          <BlueText>Amount: {this.state.amount} BTC</BlueText>
-          <BlueText>Fee: {this.state.fee} BTC</BlueText>
-          <BlueText>TX size: {this.state.size} Bytes</BlueText>
-          <BlueText>satoshiPerByte: {this.state.satoshiPerByte} Sat/B</BlueText>
-        </BlueCard>
-        {this.state.isLoading ? (
-          <ActivtyIndicator />
-        ) : (
-          <BlueButton icon={{ name: 'bullhorn', type: 'font-awesome' }} onPress={() => this.broadcast()} title="Broadcast" />
-        )}
-      </SafeBlueArea>
-    );
-  }
-}
-
-SendCreate.propTypes = {
-  navigation: PropTypes.shape({
-    goBack: PropTypes.func,
-    navigate: PropTypes.func,
-    state: PropTypes.shape({
-      params: PropTypes.shape({
-        address: PropTypes.string,
-        feeDelta: PropTypes.string,
-        fromAddress: PropTypes.string,
-        newDestinationAddress: PropTypes.string,
-        txid: PropTypes.string,
-        sourceTx: PropTypes.object,
-        sourceWallet: PropTypes.object,
-      }),
-    }),
-  }),
-};
--- a/screen/transactions/RBF.js
+++ b/screen/transactions/RBF.js
@ -1,202 +0,0 @@
-import React, { Component } from 'react';
-import { ActivityIndicator, View, TextInput } from 'react-native';
-import { BlueSpacing20, BlueButton, SafeBlueArea, BlueCard, BlueText, BlueSpacing, BlueNavigationStyle } from '../../BlueComponents';
-import PropTypes from 'prop-types';
-import { SegwitBech32Wallet } from '../../class';
-/** @type {AppStorage} */
-let BlueApp = require('../../BlueApp');
-
-export default class RBF extends Component {
-  static navigationOptions = () => ({
-    ...BlueNavigationStyle(null, false),
-    title: 'RBF',
-  });
-
-  constructor(props) {
-    super(props);
-    let txid;
-    if (props.navigation.state.params) txid = props.navigation.state.params.txid;
-
-    let sourceWallet;
-    let sourceTx;
-    for (let w of BlueApp.getWallets()) {
-      for (let t of w.getTransactions()) {
-        if (t.hash === txid) {
-          // found our source wallet
-          sourceWallet = w;
-          sourceTx = t;
-          console.log(t);
-        }
-      }
-    }
-
-    let destinationAddress;
-
-    for (let o of sourceTx.outputs) {
-      if (!o.addresses && o.script) {
-        // probably bech32 output, so we need to decode address
-        o.addresses = [SegwitBech32Wallet.scriptPubKeyToAddress(o.script)];
-      }
-
-      if (o.addresses && o.addresses[0] === sourceWallet.getAddress()) {
-        // change
-        // nop
-      } else {
-        // DESTINATION address
-
-        destinationAddress = (o.addresses && o.addresses[0]) || '';
-        console.log('dest = ', destinationAddress);
-      }
-    }
-
-    if (!destinationAddress || sourceWallet.type === 'legacy') {
-      // for now I'm too lazy to add RBF support for legacy addresses
-      this.state = {
-        isLoading: false,
-        nonReplaceable: true,
-      };
-      return;
-    }
-
-    this.state = {
-      isLoading: true,
-      txid,
-      sourceTx,
-      sourceWallet,
-      newDestinationAddress: destinationAddress,
-      feeDelta: '',
-    };
-  }
-
-  async componentDidMount() {
-    let startTime = Date.now();
-    console.log('transactions/RBF - componentDidMount');
-    this.setState({
-      isLoading: false,
-    });
-    let endTime = Date.now();
-    console.log('componentDidMount took', (endTime - startTime) / 1000, 'sec');
-  }
-
-  createTransaction() {
-    this.props.navigation.navigate('CreateRBF', {
-      feeDelta: this.state.feeDelta,
-      newDestinationAddress: this.state.newDestinationAddress,
-      txid: this.state.txid,
-      sourceTx: this.state.sourceTx,
-      sourceWallet: this.state.sourceWallet,
-    });
-  }
-
-  render() {
-    if (this.state.isLoading) {
-      return (
-        <View style={{ flex: 1, paddingTop: 20 }}>
-          <ActivityIndicator />
-        </View>
-      );
-    }
-
-    if (this.state.nonReplaceable) {
-      return (
-        <SafeBlueArea style={{ flex: 1, paddingTop: 20 }}>
-          <BlueSpacing20 />
-          <BlueSpacing20 />
-          <BlueSpacing20 />
-          <BlueSpacing20 />
-          <BlueSpacing20 />
-
-          <BlueText h4>This transaction is not replaceable</BlueText>
-
-          <BlueButton onPress={() => this.props.navigation.goBack()} title="Back" />
-        </SafeBlueArea>
-      );
-    }
-
-    if (!this.state.sourceWallet.getAddress) {
-      return (
-        <SafeBlueArea style={{ flex: 1, paddingTop: 20 }}>
-          <BlueText>System error: Source wallet not found (this should never happen)</BlueText>
-          <BlueButton onPress={() => this.props.navigation.goBack()} title="Back" />
-        </SafeBlueArea>
-      );
-    }
-
-    return (
-      <SafeBlueArea style={{ flex: 1, paddingTop: 20 }}>
-        <BlueSpacing />
-        <BlueCard title={'Replace By Fee'} style={{ alignItems: 'center', flex: 1 }}>
-          <BlueText>RBF allows you to increase fee on already sent but not confirmed transaction, thus speeding up mining</BlueText>
-          <BlueSpacing20 />
-
-          <BlueText>
-            From wallet '{this.state.sourceWallet.getLabel()}' ({this.state.sourceWallet.getAddress()})
-          </BlueText>
-          <BlueSpacing20 />
-
-          <View
-            style={{
-              flexDirection: 'row',
-              borderColor: '#d2d2d2',
-              borderBottomColor: '#d2d2d2',
-              borderWidth: 1.0,
-              borderBottomWidth: 0.5,
-              backgroundColor: '#f5f5f5',
-              minHeight: 44,
-              height: 44,
-              alignItems: 'center',
-              marginVertical: 8,
-              borderRadius: 4,
-            }}
-          >
-            <TextInput
-              onChangeText={text => this.setState({ newDestinationAddress: text })}
-              placeholder={'receiver address here'}
-              value={this.state.newDestinationAddress}
-              style={{ flex: 1, minHeight: 33, marginHorizontal: 8 }}
-            />
-          </View>
-
-          <View
-            style={{
-              flexDirection: 'row',
-              borderColor: '#d2d2d2',
-              borderBottomColor: '#d2d2d2',
-              borderWidth: 1.0,
-              borderBottomWidth: 0.5,
-              backgroundColor: '#f5f5f5',
-              minHeight: 44,
-              height: 44,
-              alignItems: 'center',
-              marginVertical: 8,
-              borderRadius: 4,
-            }}
-          >
-            <TextInput
-              onChangeText={text => this.setState({ feeDelta: text })}
-              keyboardType={'numeric'}
-              placeholder={'fee to add (in BTC)'}
-              value={this.state.feeDelta + ''}
-              style={{ flex: 1, minHeight: 33, marginHorizontal: 8 }}
-            />
-          </View>
-        </BlueCard>
-        <BlueSpacing />
-
-        <BlueButton onPress={() => this.createTransaction()} title="Create" />
-      </SafeBlueArea>
-    );
-  }
-}
-
-RBF.propTypes = {
-  navigation: PropTypes.shape({
-    goBack: PropTypes.func,
-    navigate: PropTypes.func,
-    state: PropTypes.shape({
-      params: PropTypes.shape({
-        txid: PropTypes.string,
-      }),
-    }),
-  }),
-};
--- a/screen/transactions/transactionStatus.js
+++ b/screen/transactions/transactionStatus.js
@ -13,7 +13,7 @@ import {
  BlueNavigationStyle,
 } from '../../BlueComponents';
 import PropTypes from 'prop-types';
-import { HDSegwitBech32Transaction, HDSegwitBech32Wallet } from '../../class';
+import { HDSegwitBech32Transaction } from '../../class';
 import { BitcoinUnit } from '../../models/bitcoinUnits';
 import { Icon } from 'react-native-elements';
 import Handoff from 'react-native-handoff';
@ -93,7 +93,7 @@ export default class TransactionsStatus extends Component {
  }

  async checkPossibilityOfCPFP() {
-    if (this.state.wallet.type !== HDSegwitBech32Wallet.type) {
+    if (!this.state.wallet.allowRBF()) {
      return this.setState({ isCPFPpossible: buttonStatus.notPossible });
    }

@ -106,7 +106,7 @@ export default class TransactionsStatus extends Component {
  }

  async checkPossibilityOfRBFBumpFee() {
-    if (this.state.wallet.type !== HDSegwitBech32Wallet.type) {
+    if (!this.state.wallet.allowRBF()) {
      return this.setState({ isRBFBumpFeePossible: buttonStatus.notPossible });
    }

@ -119,7 +119,7 @@ export default class TransactionsStatus extends Component {
  }

  async checkPossibilityOfRBFCancel() {
-    if (this.state.wallet.type !== HDSegwitBech32Wallet.type) {
+    if (!this.state.wallet.allowRBF()) {
      return this.setState({ isRBFCancelPossible: buttonStatus.notPossible });
    }

@ -250,24 +250,6 @@ export default class TransactionsStatus extends Component {
          </BlueCard>

          <View style={{ alignSelf: 'center', justifyContent: 'center' }}>
-            {(() => {
-              if (this.state.tx.confirmations === 0 && this.state.wallet && this.state.wallet.allowRBF()) {
-                return (
-                  <React.Fragment>
-                    <BlueButton
-                      onPress={() =>
-                        this.props.navigation.navigate('RBF', {
-                          txid: this.state.tx.hash,
-                        })
-                      }
-                      title="Replace-By-Fee (RBF)"
-                    />
-                    <BlueSpacing20 />
-                  </React.Fragment>
-                );
-              }
-            })()}
-
            {(() => {
              if (this.state.isCPFPpossible === buttonStatus.unknown) {
                return (
--- a/screen/wallets/add.js
+++ b/screen/wallets/add.js
@ -98,36 +98,35 @@ export default class WalletsAdd extends Component {
      <SafeBlueArea forceInset={{ horizontal: 'always' }} style={{ flex: 1, paddingTop: 40 }}>
        <ScrollView>
          <BlueFormLabel>{loc.wallets.add.wallet_name}</BlueFormLabel>
-          <KeyboardAvoidingView
-            style={{
-              flexDirection: 'row',
-              borderColor: '#d2d2d2',
-              borderBottomColor: '#d2d2d2',
-              borderWidth: 1.0,
-              borderBottomWidth: 0.5,
-              backgroundColor: '#f5f5f5',
-              minHeight: 44,
-              height: 44,
-              marginHorizontal: 20,
-              alignItems: 'center',
-              marginVertical: 16,
-              borderRadius: 4,
-            }}
-            enabled
-            behavior={Platform.OS === 'ios' ? 'position' : null}
-            keyboardVerticalOffset={20}
-          >
-            <TextInput
-              value={this.state.label}
-              placeholderTextColor="#81868e"
-              placeholder="my first wallet"
-              onChangeText={text => {
-                this.setLabel(text);
+          <KeyboardAvoidingView enabled behavior={Platform.OS === 'ios' ? 'position' : null} keyboardVerticalOffset={20}>
+            <View
+              style={{
+                flexDirection: 'row',
+                borderColor: '#d2d2d2',
+                borderBottomColor: '#d2d2d2',
+                borderWidth: 1.0,
+                borderBottomWidth: 0.5,
+                backgroundColor: '#f5f5f5',
+                minHeight: 44,
+                height: 44,
+                marginHorizontal: 20,
+                alignItems: 'center',
+                marginVertical: 16,
+                borderRadius: 4,
              }}
-              style={{ flex: 1, marginHorizontal: 8, color: '#81868e' }}
-              editable={!this.state.isLoading}
-              underlineColorAndroid="transparent"
-            />
+            >
+              <TextInput
+                value={this.state.label}
+                placeholderTextColor="#81868e"
+                placeholder="my first wallet"
+                onChangeText={text => {
+                  this.setLabel(text);
+                }}
+                style={{ flex: 1, marginHorizontal: 8, color: '#81868e' }}
+                editable={!this.state.isLoading}
+                underlineColorAndroid="transparent"
+              />
+            </View>
          </KeyboardAvoidingView>
          <BlueFormLabel>{loc.wallets.add.wallet_type}</BlueFormLabel>

--- a/screen/wallets/details.js
+++ b/screen/wallets/details.js
@ -218,8 +218,7 @@ export default class WalletDetails extends Component {
                  <BlueButton
                    onPress={() =>
                      this.props.navigation.navigate('WalletExport', {
-                        address: this.state.wallet.getAddress(),
-                        secret: this.state.wallet.getSecret(),
+                        wallet: this.state.wallet,
                      })
                    }
                    title={loc.wallets.details.export_backup}
--- a/screen/wallets/export.js
+++ b/screen/wallets/export.js
@ -5,7 +5,7 @@ import { BlueSpacing20, SafeBlueArea, BlueNavigationStyle, BlueText, BlueCopyTex
 import PropTypes from 'prop-types';
 import Privacy from '../../Privacy';
 import Biometric from '../../class/biometrics';
-import { LightningCustodianWallet } from '../../class';
+import { LegacyWallet, LightningCustodianWallet, SegwitBech32Wallet, SegwitP2SHWallet } from '../../class';
 /** @type {AppStorage} */
 let BlueApp = require('../../BlueApp');
 let loc = require('../../loc');
@ -20,17 +20,7 @@ export default class WalletExport extends Component {

  constructor(props) {
    super(props);
-
-    let address = props.navigation.state.params.address;
-    let secret = props.navigation.state.params.secret;
-    let wallet;
-    for (let w of BlueApp.getWallets()) {
-      if ((address && w.getAddress() === address) || w.getSecret() === secret) {
-        // found our wallet
-        wallet = w;
-      }
-    }
-
+    let wallet = props.navigation.state.params.wallet;
    this.state = {
      isLoading: true,
      qrCodeHeight: height > width ? width - 40 : width / 2,
@ -89,7 +79,7 @@ export default class WalletExport extends Component {
          </View>

          {(() => {
-            if (this.state.wallet.getAddress()) {
+            if ([LegacyWallet.type, SegwitBech32Wallet.type, SegwitP2SHWallet.type].includes(this.state.wallet.type)) {
              return (
                <BlueCard>
                  <BlueText>{this.state.wallet.getAddress()}</BlueText>
@ -125,8 +115,7 @@ WalletExport.propTypes = {
  navigation: PropTypes.shape({
    state: PropTypes.shape({
      params: PropTypes.shape({
-        address: PropTypes.string,
-        secret: PropTypes.string,
+        wallet: PropTypes.object.isRequired,
      }),
    }),
    navigate: PropTypes.func,
--- a/screen/wallets/import.js
+++ b/screen/wallets/import.js
@ -120,7 +120,7 @@ const WalletsImport = () => {
        <BlueButtonLink
          title={loc.wallets.import.scan_qr}
          onPress={() => {
-            navigate('ScanQrAddress', { launchedBy: 'ImportWallet', onBarScanned, showFileImportButton: true });
+            navigate('ScanQRCode', { launchedBy: 'ImportWallet', onBarScanned, showFileImportButton: true });
          }}
        />
      </View>
--- a/screen/wallets/list.js
+++ b/screen/wallets/list.js
@ -19,7 +19,7 @@ import PropTypes from 'prop-types';
 import { PlaceholderWallet } from '../../class';
 import WalletImport from '../../class/walletImport';
 import Swiper from 'react-native-swiper';
-import ScanQRCode from '../send/scanQrAddress';
+import ScanQRCode from '../send/ScanQRCode';
 import DeeplinkSchemaMatch from '../../class/deeplinkSchemaMatch';
 let EV = require('../../events');
 let A = require('../../analytics');
--- a/screen/wallets/transactions.js
+++ b/screen/wallets/transactions.js
@ -466,8 +466,7 @@ export default class WalletTransactions extends Component {
                },
                onFailure: () =>
                  this.props.navigation.navigate('WalletExport', {
-                    address: this.state.wallet.getAddress(),
-                    secret: this.state.wallet.getSecret(),
+                    wallet: this.state.wallet,
                  }),
              });
            }
--- a/tests/integration/App.test.js
+++ b/tests/integration/App.test.js
@ -1,6 +1,6 @@
 /* global describe, it, expect, jest, jasmine */
 import React from 'react';
-import { LegacyWallet, SegwitP2SHWallet, AppStorage } from '../../class';
+import { AppStorage } from '../../class';
 import TestRenderer from 'react-test-renderer';
 import Settings from '../../screen/settings/settings';
 import Selftest from '../../screen/selftest';
@ -49,28 +49,6 @@ jest.mock('ScrollView', () => {
  return ScrollView;
 });

-describe('unit - LegacyWallet', function() {
-  it('serialize and unserialize work correctly', () => {
-    let a = new LegacyWallet();
-    a.setLabel('my1');
-    let key = JSON.stringify(a);
-
-    let b = LegacyWallet.fromJson(key);
-    assert(key === JSON.stringify(b));
-
-    assert.strictEqual(key, JSON.stringify(b));
-  });
-
-  it('can validate addresses', () => {
-    let w = new LegacyWallet();
-    assert.ok(w.isAddressValid('12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG'));
-    assert.ok(!w.isAddressValid('12eQ9m4sgAwTSQoNXkRABKhCXCsjm2j'));
-    assert.ok(w.isAddressValid('3BDsBDxDimYgNZzsqszNZobqQq3yeUoJf2'));
-    assert.ok(!w.isAddressValid('3BDsBDxDimYgNZzsqszNZobqQq3yeUo'));
-    assert.ok(!w.isAddressValid('12345'));
-  });
-});
-
 it('BlueHeader works', () => {
  const rendered = TestRenderer.create(<BlueHeader />).toJSON();
  expect(rendered).toBeTruthy();
@ -105,92 +83,6 @@ it('Selftest work', () => {
  assert.ok(okFound, 'OK not found. Got: ' + allTests.join('; '));
 });

-it('Wallet can fetch UTXO', async () => {
-  jasmine.DEFAULT_TIMEOUT_INTERVAL = 30000;
-  let w = new SegwitP2SHWallet();
-  w._address = '12c6DSiU4Rq3P4ZxziKxzrL5LmMBrzjrJX';
-  await w.fetchUtxo();
-  assert.ok(w.utxo.length > 0, 'unexpected empty UTXO');
-});
-
-it('SegwitP2SHWallet can generate segwit P2SH address from WIF', async () => {
-  let l = new SegwitP2SHWallet();
-  l.setSecret('Kxr9tQED9H44gCmp6HAdmemAzU3n84H3dGkuWTKvE23JgHMW8gct');
-  assert.ok(l.getAddress() === '34AgLJhwXrvmkZS1o5TrcdeevMt22Nar53', 'expected ' + l.getAddress());
-  assert.ok(l.getAddress() === (await l.getAddressAsync()));
-});
-
-it('Wallet can fetch balance', async () => {
-  jasmine.DEFAULT_TIMEOUT_INTERVAL = 30000;
-  let w = new LegacyWallet();
-  w._address = '115fUy41sZkAG14CmdP1VbEKcNRZJWkUWG'; // hack internals
-  assert.ok(w.getBalance() === 0);
-  assert.ok(w.getUnconfirmedBalance() === 0);
-  assert.ok(w._lastBalanceFetch === 0);
-  await w.fetchBalance();
-  assert.ok(w.getBalance() === 18262000);
-  assert.ok(w.getUnconfirmedBalance() === 0);
-  assert.ok(w._lastBalanceFetch > 0);
-});
-
-it('Wallet can fetch TXs', async () => {
-  let w = new LegacyWallet();
-  w._address = '12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG';
-  await w.fetchTransactions();
-  assert.strictEqual(w.getTransactions().length, 2);
-
-  let tx0 = w.getTransactions()[0];
-  let txExpected = {
-    block_hash: '0000000000000000000d05c54a592db8532f134e12b4c3ae0821ce582fad3566',
-    block_height: 530933,
-    block_index: 1587,
-    hash: '4924f3a29acdee007ebcf6084d2c9e1752c4eb7f26f7d1a06ef808780bf5fe6d',
-    addresses: ['12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG', '3BDsBDxDimYgNZzsqszNZobqQq3yeUoJf2'],
-    total: 800,
-    fees: 200,
-    size: 190,
-    preference: 'low',
-    relayed_by: '18.197.135.148:8333',
-    confirmed: '2018-07-07T20:05:30Z',
-    received: '2018-07-07T20:02:01.637Z',
-    ver: 1,
-    double_spend: false,
-    vin_sz: 1,
-    vout_sz: 1,
-    confirmations: 593,
-    confidence: 1,
-    inputs: [
-      {
-        prev_hash: 'd0432027a86119c63a0be8fa453275c2333b59067f1e559389cd3e0e377c8b96',
-        output_index: 1,
-        script:
-          '483045022100e443784abe25b6d39e01c95900834bf4eeaa82505ac0eb84c08e11c287d467de02203327c2b1136f4976f755ed7631b427d66db2278414e7faf1268eedf44c034e0c012103c69b905f7242b3688122f06951339a1ee00da652f6ecc6527ea6632146cace62',
-        output_value: 1000,
-        sequence: 4294967295,
-        addresses: ['12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG'],
-        script_type: 'pay-to-pubkey-hash',
-        age: 530926,
-      },
-    ],
-    outputs: [
-      {
-        value: 800,
-        script: 'a914688eb9af71aab8ca221f4e6171a45fc46ea8743b87',
-        spent_by: '009c6219deeac341833642193e4a3b72e511105a61b48e375c5025b1bcbd6fb5',
-        addresses: ['3BDsBDxDimYgNZzsqszNZobqQq3yeUoJf2'],
-        script_type: 'pay-to-script-hash',
-      },
-    ],
-    value: -1000,
-  };
-
-  delete tx0.confirmations;
-  delete txExpected.confirmations;
-  delete tx0.preference; // that bs is not always the same
-  delete txExpected.preference;
-  assert.deepStrictEqual(tx0, txExpected);
-});
-
 describe('currency', () => {
  it('fetches exchange rate and saves to AsyncStorage', async () => {
    jasmine.DEFAULT_TIMEOUT_INTERVAL = 15000;
--- a/tests/integration/HDWallet.test.js
+++ b/tests/integration/HDWallet.test.js
@ -306,7 +306,7 @@ it('Legacy HD (BIP44) can generate addressess based on xpub', async function() {
  assert.strictEqual(hd._getInternalAddressByIndex(1), '13CW9WWBsWpDUvLtbFqYziWBWTYUoQb4nU');
 });

-it.skip('Legacy HD (BIP44) can create TX', async () => {
+it('Legacy HD (BIP44) can create TX', async () => {
  if (!process.env.HD_MNEMONIC) {
    console.error('process.env.HD_MNEMONIC not set, skipped');
    return;
@ -315,15 +315,14 @@ it.skip('Legacy HD (BIP44) can create TX', async () => {
  hd.setSecret(process.env.HD_MNEMONIC);
  assert.ok(hd.validateMnemonic());

+  await hd.fetchBalance();
  await hd.fetchUtxo();
  assert.strictEqual(hd.utxo.length, 4);
-  await hd.getChangeAddressAsync(); // to refresh internal pointer to next free address
-  await hd.getAddressAsync(); // to refresh internal pointer to next free address
  let txhex = hd.createTx(hd.utxo, 0.0008, 0.000005, '3GcKN7q7gZuZ8eHygAhHrvPa5zZbG5Q1rK');

  assert.strictEqual(
    txhex,
-    '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',
+    '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',
  );

  var tx = bitcoin.Transaction.fromHex(txhex);
@ -346,22 +345,7 @@ it.skip('Legacy HD (BIP44) can create TX', async () => {
  assert.strictEqual(tx.outs[0].value, 99800);
 });

-it('Legacy HD (BIP44) can fetch UTXO', async function() {
-  let hd = new HDLegacyP2PKHWallet();
-  hd.usedAddresses = ['1Ez69SnzzmePmZX3WpEzMKTrcBF2gpNQ55', '1BiTCHeYzJNMxBLFCMkwYXNdFEdPJP53ZV']; // hacking internals
-  await hd.fetchUtxo();
-  assert.ok(hd.utxo.length >= 12);
-  assert.ok(typeof hd.utxo[0].confirmations === 'number');
-  assert.ok(hd.utxo[0].txid);
-  assert.ok(hd.utxo[0].vout);
-  assert.ok(hd.utxo[0].amount);
-  assert.ok(
-    hd.utxo[0].address &&
-      (hd.utxo[0].address === '1Ez69SnzzmePmZX3WpEzMKTrcBF2gpNQ55' || hd.utxo[0].address === '1BiTCHeYzJNMxBLFCMkwYXNdFEdPJP53ZV'),
-  );
-});
-
-it.skip('HD breadwallet works', async function() {
+it('HD breadwallet works', async function() {
  if (!process.env.HD_MNEMONIC_BREAD) {
    console.error('process.env.HD_MNEMONIC_BREAD not set, skipped');
    return;
@ -379,17 +363,17 @@ it.skip('HD breadwallet works', async function() {
    'xpub68nLLEi3KERQY7jyznC9PQSpSjmekrEmN8324YRCXayMXaavbdEJsK4gEcX2bNf9vGzT4xRks9utZ7ot1CTHLtdyCn9udvv1NWvtY7HXroh',
  );
  await hdBread.fetchBalance();
-  assert.strictEqual(hdBread.balance, 0);
+  assert.strictEqual(hdBread.getBalance(), 123456);

  assert.ok(hdBread._lastTxFetch === 0);
  await hdBread.fetchTransactions();
  assert.ok(hdBread._lastTxFetch > 0);
-  assert.strictEqual(hdBread.getTransactions().length, 177);
+  assert.strictEqual(hdBread.getTransactions().length, 178);
  for (let tx of hdBread.getTransactions()) {
    assert.ok(tx.confirmations);
  }

-  assert.strictEqual(hdBread.next_free_address_index, 10);
+  assert.strictEqual(hdBread.next_free_address_index, 11);
  assert.strictEqual(hdBread.next_free_change_address_index, 118);

  // checking that internal pointer and async address getter return the same address
--- a/tests/integration/LegacyWallet.test.js
+++ b/tests/integration/LegacyWallet.test.js
@ -0,0 +1,154 @@
+/* global describe, it, jasmine, afterAll, beforeAll */
+import { LegacyWallet, SegwitP2SHWallet, SegwitBech32Wallet } from '../../class';
+let assert = require('assert');
+global.net = require('net'); // needed by Electrum client. For RN it is proviced in shim.js
+let BlueElectrum = require('../../BlueElectrum'); // so it connects ASAP
+
+jasmine.DEFAULT_TIMEOUT_INTERVAL = 30000;
+
+afterAll(async () => {
+  // after all tests we close socket so the test suite can actually terminate
+  BlueElectrum.forceDisconnect();
+  return new Promise(resolve => setTimeout(resolve, 10000)); // simple sleep to wait for all timeouts termination
+});
+
+beforeAll(async () => {
+  // awaiting for Electrum to be connected. For RN Electrum would naturally connect
+  // while app starts up, but for tests we need to wait for it
+  await BlueElectrum.waitTillConnected();
+});
+
+describe('LegacyWallet', function() {
+  it('can serialize and unserialize correctly', () => {
+    let a = new LegacyWallet();
+    a.setLabel('my1');
+    let key = JSON.stringify(a);
+
+    let b = LegacyWallet.fromJson(key);
+    assert(key === JSON.stringify(b));
+
+    assert.strictEqual(key, JSON.stringify(b));
+  });
+
+  it('can validate addresses', () => {
+    let w = new LegacyWallet();
+    assert.ok(w.isAddressValid('12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG'));
+    assert.ok(!w.isAddressValid('12eQ9m4sgAwTSQoNXkRABKhCXCsjm2j'));
+    assert.ok(w.isAddressValid('3BDsBDxDimYgNZzsqszNZobqQq3yeUoJf2'));
+    assert.ok(!w.isAddressValid('3BDsBDxDimYgNZzsqszNZobqQq3yeUo'));
+    assert.ok(!w.isAddressValid('12345'));
+    assert.ok(w.isAddressValid('bc1quuafy8htjjj263cvpj7md84magzmc8svmh8lrm'));
+    assert.ok(w.isAddressValid('BC1QH6TF004TY7Z7UN2V5NTU4MKF630545GVHS45U7'));
+  });
+
+  it('can fetch balance', async () => {
+    let w = new LegacyWallet();
+    w._address = '115fUy41sZkAG14CmdP1VbEKcNRZJWkUWG'; // hack internals
+    assert.ok(w.weOwnAddress('115fUy41sZkAG14CmdP1VbEKcNRZJWkUWG'));
+    assert.ok(!w.weOwnAddress('aaa'));
+    assert.ok(w.getBalance() === 0);
+    assert.ok(w.getUnconfirmedBalance() === 0);
+    assert.ok(w._lastBalanceFetch === 0);
+    await w.fetchBalance();
+    assert.ok(w.getBalance() === 18262000);
+    assert.ok(w.getUnconfirmedBalance() === 0);
+    assert.ok(w._lastBalanceFetch > 0);
+  });
+
+  it('can fetch TXs', async () => {
+    let w = new LegacyWallet();
+    w._address = '12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG';
+    await w.fetchTransactions();
+    assert.strictEqual(w.getTransactions().length, 2);
+
+    for (let tx of w.getTransactions()) {
+      assert.ok(tx.hash);
+      assert.ok(tx.value);
+      assert.ok(tx.received);
+      assert.ok(tx.confirmations > 1);
+    }
+  });
+
+  it('can fetch UTXO', async () => {
+    let w = new LegacyWallet();
+    w._address = '12c6DSiU4Rq3P4ZxziKxzrL5LmMBrzjrJX';
+    await w.fetchUtxo();
+    assert.ok(w.utxo.length > 0, 'unexpected empty UTXO');
+    assert.ok(w.getUtxo().length > 0, 'unexpected empty UTXO');
+
+    assert.ok(w.getUtxo()[0]['value']);
+    assert.ok(w.getUtxo()[0]['tx_output_n'] === 0 || w.getUtxo()[0]['tx_output_n'] === 1, JSON.stringify(w.getUtxo()[0]));
+    assert.ok(w.getUtxo()[0]['tx_hash']);
+    assert.ok(w.getUtxo()[0]['confirmations']);
+  });
+});
+
+describe('SegwitP2SHWallet', function() {
+  it('can generate segwit P2SH address from WIF', async () => {
+    let l = new SegwitP2SHWallet();
+    l.setSecret('Kxr9tQED9H44gCmp6HAdmemAzU3n84H3dGkuWTKvE23JgHMW8gct');
+    assert.ok(l.getAddress() === '34AgLJhwXrvmkZS1o5TrcdeevMt22Nar53', 'expected ' + l.getAddress());
+    assert.ok(l.getAddress() === (await l.getAddressAsync()));
+    assert.ok(l.weOwnAddress('34AgLJhwXrvmkZS1o5TrcdeevMt22Nar53'));
+  });
+});
+
+describe('SegwitBech32Wallet', function() {
+  it('can fetch balance', async () => {
+    let w = new SegwitBech32Wallet();
+    w._address = 'bc1qn887fmetaytw4vj68vsh529ft408q8j9x3dndc';
+    assert.ok(w.weOwnAddress('bc1qn887fmetaytw4vj68vsh529ft408q8j9x3dndc'));
+    await w.fetchBalance();
+    assert.strictEqual(w.getBalance(), 100000);
+  });
+
+  it('can fetch UTXO', async () => {
+    let w = new SegwitBech32Wallet();
+    w._address = 'bc1qn887fmetaytw4vj68vsh529ft408q8j9x3dndc';
+    await w.fetchUtxo();
+    assert.ok(w.getUtxo().length > 0, 'unexpected empty UTXO');
+
+    assert.ok(w.getUtxo()[0]['value']);
+    assert.ok(w.getUtxo()[0]['tx_output_n'] === 0);
+    assert.ok(w.getUtxo()[0]['tx_hash']);
+    assert.ok(w.getUtxo()[0]['confirmations']);
+  });
+
+  it('can fetch TXs', async () => {
+    let w = new LegacyWallet();
+    w._address = 'bc1quhnve8q4tk3unhmjts7ymxv8cd6w9xv8wy29uv';
+    await w.fetchTransactions();
+    assert.strictEqual(w.getTransactions().length, 2);
+
+    for (let tx of w.getTransactions()) {
+      assert.ok(tx.hash);
+      assert.ok(tx.value);
+      assert.ok(tx.received);
+      assert.ok(tx.confirmations > 1);
+    }
+
+    assert.strictEqual(w.getTransactions()[0].value, -892111);
+    assert.strictEqual(w.getTransactions()[1].value, 892111);
+  });
+
+  it('can fetch TXs', async () => {
+    let w = new LegacyWallet();
+    w._address = 'bc1qn887fmetaytw4vj68vsh529ft408q8j9x3dndc';
+    assert.ok(w.weOwnAddress('bc1qn887fmetaytw4vj68vsh529ft408q8j9x3dndc'));
+    await w.fetchTransactions();
+    assert.strictEqual(w.getTransactions().length, 1);
+
+    for (let tx of w.getTransactions()) {
+      assert.ok(tx.hash);
+      assert.strictEqual(tx.value, 100000);
+      assert.ok(tx.received);
+      assert.ok(tx.confirmations > 1);
+    }
+
+    let tx0 = w.getTransactions()[0];
+    assert.ok(tx0['inputs']);
+    assert.ok(tx0['inputs'].length === 1);
+    assert.ok(tx0['outputs']);
+    assert.ok(tx0['outputs'].length === 3);
+  });
+});
--- a/tests/integration/WatchOnlyWallet.test.js
+++ b/tests/integration/WatchOnlyWallet.test.js
@ -16,6 +16,8 @@ beforeAll(async () => {
  await BlueElectrum.waitTillConnected();
 });

+jasmine.DEFAULT_TIMEOUT_INTERVAL = 500 * 1000;
+
 describe('Watch only wallet', () => {
  it('can fetch balance', async () => {
    let w = new WatchOnlyWallet();
@ -25,12 +27,11 @@ describe('Watch only wallet', () => {
  });

  it('can fetch tx', async () => {
-    jasmine.DEFAULT_TIMEOUT_INTERVAL = 150 * 1000;
    let w = new WatchOnlyWallet();
-
    w.setSecret('167zK5iZrs1U6piDqubD3FjRqUTM2CZnb8');
    await w.fetchTransactions();
-    assert.strictEqual(w.getTransactions().length, 233);
+    assert.ok(w.getTransactions().length >= 215);
+    // should be 233 but electrum server cant return huge transactions >.<

    w = new WatchOnlyWallet();
    w.setSecret('1BiJW1jyUaxcJp2JWwbPLPzB1toPNWTFJV');
@ -42,8 +43,33 @@ describe('Watch only wallet', () => {
    assert.strictEqual(w.getTransactions().length, 2);
  });

+  it('can fetch TXs with values', async () => {
+    let w = new WatchOnlyWallet();
+    for (let sec of [
+      'bc1quhnve8q4tk3unhmjts7ymxv8cd6w9xv8wy29uv',
+      'BC1QUHNVE8Q4TK3UNHMJTS7YMXV8CD6W9XV8WY29UV',
+      'bitcoin:bc1quhnve8q4tk3unhmjts7ymxv8cd6w9xv8wy29uv',
+      'BITCOIN:BC1QUHNVE8Q4TK3UNHMJTS7YMXV8CD6W9XV8WY29UV',
+    ]) {
+      w.setSecret(sec);
+      assert.strictEqual(w.getAddress(), 'bc1quhnve8q4tk3unhmjts7ymxv8cd6w9xv8wy29uv');
+      assert.strictEqual(await w.getAddressAsync(), 'bc1quhnve8q4tk3unhmjts7ymxv8cd6w9xv8wy29uv');
+      assert.ok(w.weOwnAddress('bc1quhnve8q4tk3unhmjts7ymxv8cd6w9xv8wy29uv'));
+      await w.fetchTransactions();
+
+      for (let tx of w.getTransactions()) {
+        assert.ok(tx.hash);
+        assert.ok(tx.value);
+        assert.ok(tx.received);
+        assert.ok(tx.confirmations > 1);
+      }
+
+      assert.strictEqual(w.getTransactions()[0].value, -892111);
+      assert.strictEqual(w.getTransactions()[1].value, 892111);
+    }
+  });
+
  it('can fetch complex TXs', async () => {
-    jasmine.DEFAULT_TIMEOUT_INTERVAL = 120 * 1000;
    let w = new WatchOnlyWallet();
    w.setSecret('3NLnALo49CFEF4tCRhCvz45ySSfz3UktZC');
    await w.fetchTransactions();
@ -54,28 +80,34 @@ describe('Watch only wallet', () => {

  it('can validate address', async () => {
    let w = new WatchOnlyWallet();
-    w.setSecret('12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG');
-    assert.ok(w.valid());
-    assert.strictEqual(w.isHd(), false);
-    w.setSecret('3BDsBDxDimYgNZzsqszNZobqQq3yeUoJf2');
-    assert.ok(w.valid());
-    assert.strictEqual(w.isHd(), false);
+    for (let secret of [
+      'bc1quhnve8q4tk3unhmjts7ymxv8cd6w9xv8wy29uv',
+      '12eQ9m4sgAwTSQoNXkRABKhCXCsjm2jdVG',
+      '3BDsBDxDimYgNZzsqszNZobqQq3yeUoJf2',
+      'BC1QUHNVE8Q4TK3UNHMJTS7YMXV8CD6W9XV8WY29UV',
+    ]) {
+      w.setSecret(secret);
+      assert.ok(w.valid());
+      assert.strictEqual(w.isHd(), false);
+    }
+
    w.setSecret('not valid');
    assert.ok(!w.valid());

-    w.setSecret('xpub6CQdfC3v9gU86eaSn7AhUFcBVxiGhdtYxdC5Cw2vLmFkfth2KXCMmYcPpvZviA89X6DXDs4PJDk5QVL2G2xaVjv7SM4roWHr1gR4xB3Z7Ps');
-    assert.ok(w.valid());
-    w.setSecret('ypub6XRzrn3HB1tjhhvrHbk1vnXCecZEdXohGzCk3GXwwbDoJ3VBzZ34jNGWbC6WrS7idXrYjjXEzcPDX5VqnHEnuNf5VAXgLfSaytMkJ2rwVqy');
-    assert.ok(w.valid());
-    w.setSecret('zpub6r7jhKKm7BAVx3b3nSnuadY1WnshZYkhK8gKFoRLwK9rF3Mzv28BrGcCGA3ugGtawi1WLb2vyjQAX9ZTDGU5gNk2bLdTc3iEXr6tzR1ipNP');
-    assert.ok(w.valid());
-    assert.strictEqual(w.isHd(), true);
-    assert.strictEqual(w.getMasterFingerprint(), false);
-    assert.strictEqual(w.getMasterFingerprintHex(), '00000000');
+    for (let secret of [
+      'xpub6CQdfC3v9gU86eaSn7AhUFcBVxiGhdtYxdC5Cw2vLmFkfth2KXCMmYcPpvZviA89X6DXDs4PJDk5QVL2G2xaVjv7SM4roWHr1gR4xB3Z7Ps',
+      'ypub6XRzrn3HB1tjhhvrHbk1vnXCecZEdXohGzCk3GXwwbDoJ3VBzZ34jNGWbC6WrS7idXrYjjXEzcPDX5VqnHEnuNf5VAXgLfSaytMkJ2rwVqy',
+      'zpub6r7jhKKm7BAVx3b3nSnuadY1WnshZYkhK8gKFoRLwK9rF3Mzv28BrGcCGA3ugGtawi1WLb2vyjQAX9ZTDGU5gNk2bLdTc3iEXr6tzR1ipNP',
+    ]) {
+      w.setSecret(secret);
+      assert.ok(w.valid());
+      assert.strictEqual(w.isHd(), true);
+      assert.strictEqual(w.getMasterFingerprint(), false);
+      assert.strictEqual(w.getMasterFingerprintHex(), '00000000');
+    }
  });

  it('can fetch balance & transactions from zpub HD', async () => {
-    jasmine.DEFAULT_TIMEOUT_INTERVAL = 100 * 1000;
    let w = new WatchOnlyWallet();
    w.setSecret('zpub6r7jhKKm7BAVx3b3nSnuadY1WnshZYkhK8gKFoRLwK9rF3Mzv28BrGcCGA3ugGtawi1WLb2vyjQAX9ZTDGU5gNk2bLdTc3iEXr6tzR1ipNP');
    await w.fetchBalance();
@ -117,7 +149,6 @@ describe('Watch only wallet', () => {
  });

  it('can import coldcard/electrum compatible JSON skeleton wallet, and create a tx with master fingerprint', async () => {
-    jasmine.DEFAULT_TIMEOUT_INTERVAL = 120 * 1000;
    const skeleton =
      '{"keystore": {"ckcc_xpub": "xpub661MyMwAqRbcGmUDQVKxmhEESB5xTk8hbsdTSV3Pmhm3HE9Fj3s45R9Y8LwyaQWjXXPytZjuhTKSyCBPeNrB1VVWQq1HCvjbEZ27k44oNmg", "xpub": "zpub6rFDtF1nuXZ9PUL4XzKURh3vJBW6Kj6TUrYL4qPtFNtDXtcTVfiqjQDyrZNwjwzt5HS14qdqo3Co2282Lv3Re6Y5wFZxAVuMEpeygnnDwfx", "label": "Coldcard Import 168DD603", "ckcc_xfp": 64392470, "type": "hardware", "hw_type": "coldcard", "derivation": "m/84\'/0\'/0\'"}, "wallet_type": "standard", "use_encryption": false, "seed_version": 17}';
    let w = new WatchOnlyWallet();
@ -175,7 +206,6 @@ describe('Watch only wallet', () => {
  });

  it('can fetch balance & transactions from ypub HD', async () => {
-    jasmine.DEFAULT_TIMEOUT_INTERVAL = 100 * 1000;
    let w = new WatchOnlyWallet();
    w.setSecret('ypub6Y9u3QCRC1HkZv3stNxcQVwmw7vC7KX5Ldz38En5P88RQbesP2oy16hNyQocVCfYRQPxdHcd3pmu9AFhLv7NdChWmw5iNLryZ2U6EEHdnfo');
    await w.fetchBalance();
@ -186,7 +216,6 @@ describe('Watch only wallet', () => {
  });

  it('can fetch balance & transactions from xpub HD', async () => {
-    jasmine.DEFAULT_TIMEOUT_INTERVAL = 100 * 1000;
    let w = new WatchOnlyWallet();
    w.setSecret('xpub6CQdfC3v9gU86eaSn7AhUFcBVxiGhdtYxdC5Cw2vLmFkfth2KXCMmYcPpvZviA89X6DXDs4PJDk5QVL2G2xaVjv7SM4roWHr1gR4xB3Z7Ps');
    await w.fetchBalance();
@ -197,7 +226,6 @@ describe('Watch only wallet', () => {
  });

  it('can fetch large HD', async () => {
-    jasmine.DEFAULT_TIMEOUT_INTERVAL = 500 * 1000;
    let w = new WatchOnlyWallet();
    w.setSecret('ypub6WnnYxkQCGeowv4BXq9Y9PHaXgHMJg9TkFaDJkunhcTAfbDw8z3LvV9kFNHGjeVaEoGdsSJgaMWpUBvYvpYGMJd43gTK5opecVVkvLwKttx');
    await w.fetchBalance();