From d60323961bbbb4094766234d0b2e6cd6f2aaba9d Mon Sep 17 00:00:00 2001
From: Marcos Rodriguez <marcospr@pm.me>
Date: Tue, 10 Dec 2019 23:13:40 -0500
Subject: [PATCH] ADD: Toggle for RBF

Update hd-segwit-bech32-wallet.js

Update details.js

Update details.js
---
 class/hd-segwit-bech32-wallet.js |  6 +++++-
 screen/send/details.js           | 22 +++++++++++++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/class/hd-segwit-bech32-wallet.js b/class/hd-segwit-bech32-wallet.js
index 1dc0b894d..cfbe55bfe 100644
--- a/class/hd-segwit-bech32-wallet.js
+++ b/class/hd-segwit-bech32-wallet.js
@@ -727,7 +727,11 @@ export class HDSegwitBech32Wallet extends AbstractHDWallet {
    */
   createTransaction(utxos, targets, feeRate, changeAddress, sequence, skipSigning = false) {
     if (!changeAddress) throw new Error('No change address provided');
-    sequence = sequence || HDSegwitBech32Wallet.defaultRBFSequence;
+    if (sequence === false) {
+      sequence = undefined;
+    } else {
+      sequence = sequence || HDSegwitBech32Wallet.defaultRBFSequence;
+    }
 
     let algo = coinSelectAccumulative;
     if (targets.length === 1 && targets[0] && !targets[0].value) {
diff --git a/screen/send/details.js b/screen/send/details.js
index 9c04a5fdc..31e2f68d9 100644
--- a/screen/send/details.js
+++ b/screen/send/details.js
@@ -84,6 +84,7 @@ export default class SendDetails extends Component {
         showSendMax: false,
         isFeeSelectionModalVisible: false,
         isAdvancedTransactionOptionsVisible: false,
+        isTransactionReplaceable: fromWallet.type === HDSegwitBech32Wallet.type,
         recipientsScrollIndex: 0,
         fromAddress,
         fromWallet,
@@ -535,7 +536,13 @@ export default class SendDetails extends Component {
       targets = [{ address: firstTransaction.address, amount: BitcoinUnit.MAX }];
     }
 
-    let { tx, fee, psbt } = wallet.createTransaction(wallet.getUtxo(), targets, requestedSatPerByte, changeAddress);
+    let { tx, fee, psbt } = wallet.createTransaction(
+      wallet.getUtxo(),
+      targets,
+      requestedSatPerByte,
+      changeAddress,
+      this.state.isTransactionReplaceable === true ? HDSegwitBech32Wallet.defaultRBFSequence : false,
+    );
 
     if (wallet.type === WatchOnlyWallet.type) {
       // watch-only wallets with enabled HW wallet support have different flow. we have to show PSBT to user as QR code
@@ -720,6 +727,15 @@ export default class SendDetails extends Component {
                 onPress={this.onUseAllPressed}
               />
             )}
+            {this.state.fromWallet.type === HDSegwitBech32Wallet.type && (
+              <BlueListItem
+                title="Allow Fee Bump"
+                hideChevron
+                switchButton
+                switched={this.state.isTransactionReplaceable}
+                onSwitch={this.onReplaceableFeeSwitchValueChanged}
+              />
+            )}
             {this.state.fromWallet.allowBatchSend() && (
               <>
                 <BlueListItem
@@ -770,6 +786,10 @@ export default class SendDetails extends Component {
     );
   };
 
+  onReplaceableFeeSwitchValueChanged = value => {
+    this.setState({ isTransactionReplaceable: value });
+  };
+
   renderCreateButton = () => {
     return (
       <View style={{ marginHorizontal: 56, marginVertical: 16, alignContent: 'center', backgroundColor: '#FFFFFF', minHeight: 44 }}>