From f06bd394a4769e1e8feccc0729133d3f59df1ba7 Mon Sep 17 00:00:00 2001
From: Gabriel <gabrielbazan89@gmail.com>
Date: Tue, 13 Jul 2021 10:48:58 -0300
Subject: [PATCH] [FEAT] Litecoin Support

---
 app-template/build-electron-template.js       |  1 +
 app-template/config-template.xml              |  3 +-
 electron/main.js                              |  2 +
 package.json                                  |  4 +-
 src/app/app.component.ts                      |  3 +
 src/app/app.scss                              |  4 +
 src/assets/img/currencies/ltc.svg             |  1 +
 src/assets/img/icon-ltc-small.svg             |  1 +
 src/components/coin-icon/coin-icon.html       |  1 +
 src/components/coin-icon/coin-icon.scss       |  3 +
 .../incoming-data-menu.html                   |  2 +-
 .../add/select-currency/select-currency.html  |  2 +-
 src/pages/send/confirm/confirm.ts             |  1 +
 src/pages/send/multi-send/multi-send.ts       |  7 +-
 src/pages/send/select-inputs/select-inputs.ts |  7 +-
 src/pages/send/send.ts                        |  2 +
 src/providers/address/address.ts              | 15 +++-
 src/providers/bwc/bwc.ts                      |  4 +
 src/providers/changelly/changelly.ts          |  3 +-
 src/providers/clipboard/clipboard.ts          |  3 +-
 src/providers/currency/coin.ts                | 37 +++++++++
 src/providers/currency/currency.ts            |  3 +-
 .../derivation-path-helper.ts                 |  8 ++
 src/providers/incoming-data/incoming-data.ts  | 78 ++++++++++++++++++-
 src/providers/simplex/simplex.ts              |  3 +-
 src/theme/lists.scss                          |  3 +
 26 files changed, 185 insertions(+), 16 deletions(-)
 create mode 100644 src/assets/img/currencies/ltc.svg
 create mode 100644 src/assets/img/icon-ltc-small.svg

diff --git a/app-template/build-electron-template.js b/app-template/build-electron-template.js
index b8cac817d7..c1751c6f49 100644
--- a/app-template/build-electron-template.js
+++ b/app-template/build-electron-template.js
@@ -28,6 +28,7 @@ builder
           'ethereum',
           'ripple',
           'dogecoin',
+          'litecoin',
           '*NAME*'
         ]
       },
diff --git a/app-template/config-template.xml b/app-template/config-template.xml
index 3add1487c7..cc138f45fd 100644
--- a/app-template/config-template.xml
+++ b/app-template/config-template.xml
@@ -91,7 +91,7 @@
     <plugin name="cordova-plugin-vibration" spec="3.1.1" />
     <plugin name="cordova-plugin-file" spec="6.0.2" />
     <plugin name="cordova-custom-config" spec="5.1.0" />
-    <plugin name="cordova-plugin-customurlscheme-ng" spec="10.0.0">
+    <plugin name="cordova-plugin-customurlscheme-ng" spec="11.0.0">
       <variable name="URL_SCHEME" value="bitcoin" />
       <variable name="SECOND_URL_SCHEME" value="*APPURI*" />
       <variable name="THIRD_URL_SCHEME" value="bitcoincash" />
@@ -100,6 +100,7 @@
       <variable name="SIXTH_URL_SCHEME" value="ripple" />
       <variable name="SEVENTH_URL_SCHEME" value="wc" />
       <variable name="EIGHTH_URL_SCHEME" value="dogecoin" />
+      <variable name="NINTH_URL_SCHEME" value="litecoin" />
       <variable name="ANDROID_SCHEME" value="" />
       <variable name="ANDROID_HOST" value="" />
       <variable name="ANDROID_PATHPREFIX" value="" />
diff --git a/electron/main.js b/electron/main.js
index f293fb82bb..38d14ea5d8 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -139,6 +139,8 @@ if (!app.isDefaultProtocolClient('ripple'))
   app.setAsDefaultProtocolClient('ripple');
 if (!app.isDefaultProtocolClient('dogecoin'))
   app.setAsDefaultProtocolClient('dogecoin');
+if (!app.isDefaultProtocolClient('litecoin'))
+  app.setAsDefaultProtocolClient('litecoin');
 if (!app.isDefaultProtocolClient(appConfig.name))
   app.setAsDefaultProtocolClient(appConfig.name);
 
diff --git a/package.json b/package.json
index 9a7f16ae71..c8308f517c 100644
--- a/package.json
+++ b/package.json
@@ -130,7 +130,7 @@
     "apple-wallet-ng": "1.1.1",
     "base64-js": "1.3.0",
     "bitauth": "git+https://github.com/bitpay/bitauth.git#68cf0353bf517a7e5293478608839fa904351eb6",
-    "bitcore-wallet-client": "8.25.11",
+    "bitcore-wallet-client": "8.25.13",
     "buffer-compare": "1.1.1",
     "chart.js": "2.9.4",
     "cordova": "9.0.0",
@@ -144,7 +144,7 @@
     "cordova-plugin-add-swift-support": "2.0.2",
     "cordova-plugin-advanced-http": "2.1.0",
     "cordova-plugin-compat": "1.2.0",
-    "cordova-plugin-customurlscheme-ng": "10.0.0",
+    "cordova-plugin-customurlscheme-ng": "11.0.0",
     "cordova-plugin-device": "2.0.1",
     "cordova-plugin-dialogs": "2.0.2",
     "cordova-plugin-fcm-ng": "8.3.0",
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index c02acbccba..65a81746b7 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -785,6 +785,9 @@ export class CopayApp {
     } else if (pathData.indexOf('dogecoin:/') != -1) {
       this.logger.debug('Dogecoin URL found');
       this.handleOpenUrl(pathData.substring(pathData.indexOf('dogecoin:/')));
+    } else if (pathData.indexOf('litecoin:/') != -1) {
+      this.logger.debug('Litecoin URL found');
+      this.handleOpenUrl(pathData.substring(pathData.indexOf('litecoin:/')));
     } else if (pathData.indexOf(this.appProvider.info.name + '://') != -1) {
       this.logger.debug(this.appProvider.info.name + ' URL found');
       this.handleOpenUrl(
diff --git a/src/app/app.scss b/src/app/app.scss
index cee9ce2532..4635a707e3 100644
--- a/src/app/app.scss
+++ b/src/app/app.scss
@@ -323,6 +323,10 @@ ion-spinner * {
   background-color: #d8c172;
 }
 
+.ltc-background {
+  background-color: #2962ff;
+}
+
 button.item {
   &.activated {
     background-color: $feather;
diff --git a/src/assets/img/currencies/ltc.svg b/src/assets/img/currencies/ltc.svg
new file mode 100644
index 0000000000..13e76a40ee
--- /dev/null
+++ b/src/assets/img/currencies/ltc.svg
@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 82.6 82.6"><title>litecoin-ltc-logo</title><circle cx="41.3" cy="41.3" r="36.83" style="fill:#fff"/><path d="M41.3,0A41.3,41.3,0,1,0,82.6,41.3h0A41.18,41.18,0,0,0,41.54,0ZM42,42.7,37.7,57.2h23a1.16,1.16,0,0,1,1.2,1.12v.38l-2,6.9a1.49,1.49,0,0,1-1.5,1.1H23.2l5.9-20.1-6.6,2L24,44l6.6-2,8.3-28.2a1.51,1.51,0,0,1,1.5-1.1h8.9a1.16,1.16,0,0,1,1.2,1.12v.38L43.5,38l6.6-2-1.4,4.8Z" style="fill:#345d9d"/></svg>
\ No newline at end of file
diff --git a/src/assets/img/icon-ltc-small.svg b/src/assets/img/icon-ltc-small.svg
new file mode 100644
index 0000000000..a6eb4c0243
--- /dev/null
+++ b/src/assets/img/icon-ltc-small.svg
@@ -0,0 +1 @@
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" width="20" height="25" viewBox="0 0 82.6 82.6"><title>litecoin-ltc-logo</title><circle cx="41.3" cy="41.3" r="36.83" style="fill:#fff"/><path d="M41.3,0A41.3,41.3,0,1,0,82.6,41.3h0A41.18,41.18,0,0,0,41.54,0ZM42,42.7,37.7,57.2h23a1.16,1.16,0,0,1,1.2,1.12v.38l-2,6.9a1.49,1.49,0,0,1-1.5,1.1H23.2l5.9-20.1-6.6,2L24,44l6.6-2,8.3-28.2a1.51,1.51,0,0,1,1.5-1.1h8.9a1.16,1.16,0,0,1,1.2,1.12v.38L43.5,38l6.6-2-1.4,4.8Z" style="fill:#345d9d"/></svg>
\ No newline at end of file
diff --git a/src/components/coin-icon/coin-icon.html b/src/components/coin-icon/coin-icon.html
index 166e92e199..ef25824fd2 100644
--- a/src/components/coin-icon/coin-icon.html
+++ b/src/components/coin-icon/coin-icon.html
@@ -10,6 +10,7 @@
 'background_dai': coin == 'dai',
 'background_wbtc': coin == 'wbtc',
 'background_doge': coin == 'doge',
+'background_ltc': coin == 'ltc',
 'testnet': network === 'testnet'
 }" item-start>
   <img src="assets/img/currencies/{{coin}}.svg" />
diff --git a/src/components/coin-icon/coin-icon.scss b/src/components/coin-icon/coin-icon.scss
index b88ec72bdb..864f7fd145 100644
--- a/src/components/coin-icon/coin-icon.scss
+++ b/src/components/coin-icon/coin-icon.scss
@@ -47,6 +47,9 @@ coin-icon {
       &_doge {
         background-color: #d8c172;
       }
+      &_ltc {
+        background-color: #2962ff;
+      }
       &_default {
         background-color: #e6f8e9;
       }
diff --git a/src/components/incoming-data-menu/incoming-data-menu.html b/src/components/incoming-data-menu/incoming-data-menu.html
index bc608fe847..d9e5fcc74c 100644
--- a/src/components/incoming-data-menu/incoming-data-menu.html
+++ b/src/components/incoming-data-menu/incoming-data-menu.html
@@ -1,5 +1,5 @@
 <action-sheet>
-  <ion-list class="bp-list" *ngIf="type === 'bitcoinAddress' || type === 'ethereumAddress' || type === 'rippleAddress' || type === 'dogecoinAddress'">
+  <ion-list class="bp-list" *ngIf="type === 'bitcoinAddress' || type === 'ethereumAddress' || type === 'rippleAddress' || type === 'dogecoinAddress' || type === 'litecoinAddress'">
     <ion-item-divider *ngIf="coinName">{{'{coinName} Address' | translate: { coinName: coinName } }}</ion-item-divider>
     <ion-item>
       {{data}}
diff --git a/src/pages/add/select-currency/select-currency.html b/src/pages/add/select-currency/select-currency.html
index 087ba70a1e..28f3b68b40 100644
--- a/src/pages/add/select-currency/select-currency.html
+++ b/src/pages/add/select-currency/select-currency.html
@@ -52,7 +52,7 @@
     </div>
   </div>
   <div footer-content *ngIf="isZeroState && !isJoin">
-    <button ion-button class="button-standard" [ngClass]="{'no-margin-bottom': !isOnboardingFlow}" [disabled]="!coinsSelected.btc && !coinsSelected.bch && !coinsSelected.eth && !coinsSelected.xrp && !coinsSelected.doge" (click)="createWallets()">
+    <button ion-button class="button-standard" [ngClass]="{'no-margin-bottom': !isOnboardingFlow}" [disabled]="!coinsSelected.btc && !coinsSelected.bch && !coinsSelected.eth && !coinsSelected.xrp && !coinsSelected.doge && !coinsSelected.ltc" (click)="createWallets()">
       {{isOnboardingFlow ? 'Continue' : 'Create' | translate}}
     </button>
     <button ion-button clear class="button-standard" (click)="goToImportWallet()" *ngIf="!isOnboardingFlow">
diff --git a/src/pages/send/confirm/confirm.ts b/src/pages/send/confirm/confirm.ts
index 6ad34b4dfe..95ec8e58e3 100644
--- a/src/pages/send/confirm/confirm.ts
+++ b/src/pages/send/confirm/confirm.ts
@@ -1655,6 +1655,7 @@ export class ConfirmPage {
       'BitcoinCashUri',
       'EthereumUri',
       'DogecoinUri',
+      'LitecoinUri',
       'RippleUri',
       'InvoiceUri'
     ]);
diff --git a/src/pages/send/multi-send/multi-send.ts b/src/pages/send/multi-send/multi-send.ts
index a1665c2038..35c7246190 100644
--- a/src/pages/send/multi-send/multi-send.ts
+++ b/src/pages/send/multi-send/multi-send.ts
@@ -52,10 +52,12 @@ export class MultiSendPage {
     'BitcoinCashAddress',
     'EthereumAddress',
     'DogecoinAddress',
+    'LitecoinAddress',
     'EthereumUri',
     'BitcoinUri',
     'BitcoinCashUri',
-    'DogecoinUri'
+    'DogecoinUri',
+    'LitecoinUri'
   ];
 
   constructor(
@@ -78,7 +80,8 @@ export class MultiSendPage {
     this.bitcore = {
       btc: this.bwcProvider.getBitcore(),
       bch: this.bwcProvider.getBitcoreCash(),
-      doge: this.bwcProvider.getBitcoreDoge()
+      doge: this.bwcProvider.getBitcoreDoge(),
+      ltc: this.bwcProvider.getBitcoreLtc()
     };
     this.isCordova = this.platformProvider.isCordova;
     this.isDisabledContinue = true;
diff --git a/src/pages/send/select-inputs/select-inputs.ts b/src/pages/send/select-inputs/select-inputs.ts
index 5426fa39fa..3f0603aa98 100644
--- a/src/pages/send/select-inputs/select-inputs.ts
+++ b/src/pages/send/select-inputs/select-inputs.ts
@@ -49,10 +49,12 @@ export class SelectInputsPage {
     'BitcoinCashAddress',
     'EthereumAddress',
     'DogecoinAddress',
+    'LitecoinAddress',
     'EthereumUri',
     'BitcoinUri',
     'BitcoinCashUri',
-    'DogecoinUri'
+    'DogecoinUri',
+    'LitecoinUri'
   ];
   constructor(
     private navCtrl: NavController,
@@ -76,7 +78,8 @@ export class SelectInputsPage {
     this.bitcore = {
       btc: this.bwcProvider.getBitcore(),
       bch: this.bwcProvider.getBitcoreCash(),
-      doge: this.bwcProvider.getBitcoreDoge()
+      doge: this.bwcProvider.getBitcoreDoge(),
+      ltc: this.bwcProvider.getBitcoreLtc()
     };
     this.reverse = false;
     this.isCordova = this.platformProvider.isCordova;
diff --git a/src/pages/send/send.ts b/src/pages/send/send.ts
index 916ed6cb7c..0d251f27bf 100644
--- a/src/pages/send/send.ts
+++ b/src/pages/send/send.ts
@@ -55,10 +55,12 @@ export class SendPage {
     'EthereumUri',
     'RippleAddress',
     'DogecoinAddress',
+    'LitecoinAddress',
     'RippleUri',
     'BitcoinUri',
     'BitcoinCashUri',
     'DogecoinUri',
+    'LitecoinUri',
     'BitPayUri'
   ];
   private pageMap = {
diff --git a/src/providers/address/address.ts b/src/providers/address/address.ts
index b00a0a8a5b..32fd68a057 100644
--- a/src/providers/address/address.ts
+++ b/src/providers/address/address.ts
@@ -13,12 +13,14 @@ export class AddressProvider {
   private bitcore;
   private bitcoreCash;
   private bitcoreDoge;
+  private bitcoreLtc;
   private core;
 
   constructor(private bwcProvider: BwcProvider, private logger: Logger) {
     this.bitcore = this.bwcProvider.getBitcore();
     this.bitcoreCash = this.bwcProvider.getBitcoreCash();
     this.bitcoreDoge = this.bwcProvider.getBitcoreDoge();
+    this.bitcoreLtc = this.bwcProvider.getBitcoreLtc();
     this.core = this.bwcProvider.getCore();
   }
 
@@ -77,7 +79,12 @@ export class AddressProvider {
               network = this.bitcoreDoge.Address(address).network.name;
               return { coin: 'doge', network };
             } catch (e) {
-              return null;
+              try {
+                network = this.bitcoreLtc.Address(address).network.name;
+                return { coin: 'ltc', network };
+              } catch (e) {
+                return null;
+              }
             }
           }
         }
@@ -94,12 +101,16 @@ export class AddressProvider {
     const URICash = this.bitcoreCash.URI;
     const AddressDoge = this.bitcoreDoge.Address;
     const URIDoge = this.bitcoreDoge.URI;
+    const AddressLtc = this.bitcoreLtc.Address;
+    const URILtc = this.bitcoreLtc.URI;
+
     const { Validation } = this.core;
 
     // Bip21 uri
     if (URI.isValid(str)) return true;
     if (URICash.isValid(str)) return true;
     if (URIDoge.isValid(str)) return true;
+    if (URILtc.isValid(str)) return true;
     if (Validation.validateUri('ETH', str)) return true;
     if (Validation.validateUri('XRP', str)) return true;
 
@@ -110,6 +121,8 @@ export class AddressProvider {
     if (AddressCash.isValid(str, 'testnet')) return true;
     if (AddressDoge.isValid(str, 'livenet')) return true;
     if (AddressDoge.isValid(str, 'testnet')) return true;
+    if (AddressLtc.isValid(str, 'livenet')) return true;
+    if (AddressLtc.isValid(str, 'testnet')) return true;
     if (Validation.validateAddress('XRP', 'livenet', str)) return true;
     if (Validation.validateAddress('ETH', 'livenet', str)) return true;
 
diff --git a/src/providers/bwc/bwc.ts b/src/providers/bwc/bwc.ts
index 128d7f0ab6..aae0f19677 100644
--- a/src/providers/bwc/bwc.ts
+++ b/src/providers/bwc/bwc.ts
@@ -23,6 +23,10 @@ export class BwcProvider {
     return BWC.BitcoreDoge;
   }
 
+  public getBitcoreLtc() {
+    return BWC.BitcoreLtc;
+  }
+
   public getCore() {
     return BWC.Core;
   }
diff --git a/src/providers/changelly/changelly.ts b/src/providers/changelly/changelly.ts
index 9c887df39e..3c52cda976 100644
--- a/src/providers/changelly/changelly.ts
+++ b/src/providers/changelly/changelly.ts
@@ -31,7 +31,8 @@ export class ChangellyProvider {
       'usdc',
       'gusd',
       'dai',
-      'doge'
+      'doge',
+      'ltc'
     ];
   }
 
diff --git a/src/providers/clipboard/clipboard.ts b/src/providers/clipboard/clipboard.ts
index be01a7068c..751f6536b4 100644
--- a/src/providers/clipboard/clipboard.ts
+++ b/src/providers/clipboard/clipboard.ts
@@ -15,7 +15,8 @@ const validDataByCoin = {
   bch: ['BitcoinCashUri', 'BitcoinCashAddress'],
   eth: ['EthereumUri', 'EthereumAddress'],
   xrp: ['RippleUri', 'RippleAddress'],
-  doge: ['DogecoinUri', 'DogecoinAddress']
+  doge: ['DogecoinUri', 'DogecoinAddress'],
+  ltc: ['LitecoinUri', 'LitecoinAddress']
 };
 
 @Injectable()
diff --git a/src/providers/currency/coin.ts b/src/providers/currency/coin.ts
index 0ca3c2e097..b4853f2a33 100644
--- a/src/providers/currency/coin.ts
+++ b/src/providers/currency/coin.ts
@@ -450,5 +450,42 @@ export const availableCoins: CoinsMap<CoinOpts> = {
       backgroundColor: '#d8c172',
       gradientBackgroundColor: '#d8c172'
     }
+  },
+  ltc: {
+    name: 'Litecoin',
+    chain: 'LTC',
+    coin: 'ltc',
+    unitInfo: {
+      unitName: 'LTC',
+      unitToSatoshi: 100000000,
+      unitDecimals: 8,
+      unitCode: 'ltc'
+    },
+    properties: {
+      hasMultiSig: true,
+      hasMultiSend: true,
+      isUtxo: true,
+      isERCToken: false,
+      isStableCoin: false,
+      singleAddress: false
+    },
+    paymentInfo: {
+      paymentCode: 'BIP73',
+      protocolPrefix: { livenet: 'litecoin', testnet: 'litecoin' },
+      ratesApi: 'https://bws.bitpay.com/bws/api/v3/fiatrates/ltc',
+      blockExplorerUrls: 'bitpay.com/insight/#/LTC/mainnet/',
+      blockExplorerUrlsTestnet: 'bitpay.com/insight/#/LTC/testnet/'
+    },
+    feeInfo: {
+      feeUnit: 'sat/byte',
+      feeUnitAmount: 1000,
+      blockTime: 10,
+      maxMerchantFee: 'urgent'
+    },
+    theme: {
+      coinColor: '#f7931a',
+      backgroundColor: '#f7921a',
+      gradientBackgroundColor: '#f7921a'
+    }
   }
 };
diff --git a/src/providers/currency/currency.ts b/src/providers/currency/currency.ts
index 427f32abed..38ffb35e6e 100644
--- a/src/providers/currency/currency.ts
+++ b/src/providers/currency/currency.ts
@@ -14,7 +14,8 @@ export enum Coin {
   BUSD = 'busd',
   DAI = 'dai',
   WBTC = 'wbtc',
-  DOGE = 'doge'
+  DOGE = 'doge',
+  LTC = 'ltc'
 }
 
 export type CoinsMap<T> = { [key in Coin]: T };
diff --git a/src/providers/derivation-path-helper/derivation-path-helper.ts b/src/providers/derivation-path-helper/derivation-path-helper.ts
index 9c92e7c2e3..183ccee828 100644
--- a/src/providers/derivation-path-helper/derivation-path-helper.ts
+++ b/src/providers/derivation-path-helper/derivation-path-helper.ts
@@ -7,6 +7,7 @@ export class DerivationPathHelperProvider {
   public defaultETH: string;
   public defaultXRP: string;
   public defaultDOGE: string;
+  public defaultLTC: string;
   public defaultTestnet: string;
   public defaultMultisigBTC: string;
   public defaultMultisigBCH: string;
@@ -18,6 +19,7 @@ export class DerivationPathHelperProvider {
     this.defaultETH = "m/44'/60'/0'";
     this.defaultXRP = "m/44'/144'/0'";
     this.defaultDOGE = "m/44'/3'/0'";
+    this.defaultLTC = "m/44'/2'/0'";
     this.defaultMultisigBTC = "m/48'/0'/0'";
     this.defaultMultisigBCH = "m/48'/145'/0'";
     this.defaultMultisigDOGE = "m/48'/3'/0'";
@@ -77,6 +79,9 @@ export class DerivationPathHelperProvider {
       case "3'": // for DOGE
         networkName = 'livenet';
         break;
+      case "2'": // for LTC
+        networkName = 'livenet';
+        break;
     }
     return networkName;
   }
@@ -115,6 +120,9 @@ export class DerivationPathHelperProvider {
       case 'doge':
         isValid = ["3'", "1'"].indexOf(coinCode) > -1;
         break;
+      case 'ltc':
+        isValid = ["2'", "1'"].indexOf(coinCode) > -1;
+        break;
     }
 
     return isValid;
diff --git a/src/providers/incoming-data/incoming-data.ts b/src/providers/incoming-data/incoming-data.ts
index ef63a67507..5a7a963a06 100644
--- a/src/providers/incoming-data/incoming-data.ts
+++ b/src/providers/incoming-data/incoming-data.ts
@@ -81,7 +81,7 @@ export class IncomingDataProvider {
 
   private isValidPayPro(data: string): boolean {
     data = this.sanitizeUri(data);
-    return !!/^(bitcoin|bitcoincash|bchtest|ethereum|ripple|dogecoin)?:\?r=[\w+]/.exec(
+    return !!/^(bitcoin|bitcoincash|bchtest|ethereum|ripple|dogecoin|litecoin)?:\?r=[\w+]/.exec(
       data
     );
   }
@@ -128,6 +128,11 @@ export class IncomingDataProvider {
     return !!this.bwcProvider.getBitcoreDoge().URI.isValid(data);
   }
 
+  private isValidLitecoinUri(data: string): boolean {
+    data = this.sanitizeUri(data);
+    return !!this.bwcProvider.getBitcoreLtc().URI.isValid(data);
+  }
+
   private isValidWalletConnectUri(data: string): boolean {
     return !!/^(wc)?:/.exec(data);
   }
@@ -187,6 +192,13 @@ export class IncomingDataProvider {
     );
   }
 
+  private isValidLitecoinAddress(data: string): boolean {
+    return !!(
+      this.bwcProvider.getBitcoreLtc().Address.isValid(data, 'livenet') ||
+      this.bwcProvider.getBitcoreLtc().Address.isValid(data, 'testnet')
+    );
+  }
+
   private isValidCoinbaseUri(data: string): boolean {
     data = this.sanitizeUri(data);
     return !!(
@@ -482,6 +494,21 @@ export class IncomingDataProvider {
     } else this.goSend(address, amount, message, coin);
   }
 
+  private handleLitecoinUri(data: string, redirParams?: RedirParams): void {
+    this.logger.debug('Incoming-data: Litecoin URI');
+    let amountFromRedirParams =
+      redirParams && redirParams.amount ? redirParams.amount : '';
+    const coin = Coin.LTC;
+    let parsed = this.bwcProvider.getBitcoreLtc().URI(data);
+    let address = parsed.address ? parsed.address.toString() : '';
+    let message = parsed.message;
+    let amount = parsed.amount || amountFromRedirParams;
+    if (parsed.r) {
+      const payProUrl = this.getPayProUrl(parsed.r);
+      this.goToPayPro(payProUrl, coin);
+    } else this.goSend(address, amount, message, coin);
+  }
+
   private handleWalletConnectUri(uri: string): void {
     // Disable Wallet Connect
     if (!this.appProvider.info._enabledExtensions.walletConnect) {
@@ -628,6 +655,25 @@ export class IncomingDataProvider {
     }
   }
 
+  private handlePlainLitecoinAddress(
+    data: string,
+    redirParams?: RedirParams
+  ): void {
+    this.logger.debug('Incoming-data: Litecoin plain address');
+    const coin = Coin.LTC;
+    if (redirParams && redirParams.activePage === 'ScanPage') {
+      this.showMenu({
+        data,
+        type: 'litecoinAddress',
+        coin
+      });
+    } else if (redirParams && redirParams.amount) {
+      this.goSend(data, redirParams.amount, '', coin);
+    } else {
+      this.goToAmountPage(data, coin);
+    }
+  }
+
   private goToImportByPrivateKey(data: string): void {
     this.logger.debug('Incoming-data (redirect): QR code export feature');
 
@@ -881,6 +927,11 @@ export class IncomingDataProvider {
       this.handleDogecoinUri(data, redirParams);
       return true;
 
+      // Litecoin URI
+    } else if (this.isValidLitecoinUri(data)) {
+      this.handleLitecoinUri(data, redirParams);
+      return true;
+
       // Wallet Connect URI
     } else if (this.isValidWalletConnectUri(data)) {
       this.handleWalletConnectUri(data);
@@ -921,6 +972,11 @@ export class IncomingDataProvider {
       this.handlePlainDogecoinAddress(data, redirParams);
       return true;
 
+      // Plain Address (Litecoin)
+    } else if (this.isValidLitecoinAddress(data)) {
+      this.handlePlainLitecoinAddress(data, redirParams);
+      return true;
+
       // Coinbase
     } else if (this.isValidCoinbaseUri(data)) {
       this.goToCoinbase(data);
@@ -1113,6 +1169,13 @@ export class IncomingDataProvider {
         type: 'DogecoinUri',
         title: 'Dogecoin URI'
       };
+      // Litecoin URI
+    } else if (this.isValidLitecoinUri(data)) {
+      return {
+        data,
+        type: 'LitecoinUri',
+        title: 'Litecoin URI'
+      };
       // Wallet Connect URI
     } else if (this.isValidWalletConnectUri(data)) {
       return {
@@ -1177,6 +1240,14 @@ export class IncomingDataProvider {
         title: this.translate.instant('Doge Address')
       };
 
+      // Plain Address (Litecoin)
+    } else if (this.isValidLitecoinAddress(data)) {
+      return {
+        data,
+        type: 'LitecoinAddress',
+        title: this.translate.instant('Litecoin Address')
+      };
+
       // Coinbase
     } else if (this.isValidCoinbaseUri(data)) {
       return {
@@ -1255,7 +1326,10 @@ export class IncomingDataProvider {
 
   public getPayProUrl(data: string): string {
     return decodeURIComponent(
-      data.replace(/(bitcoin|bitcoincash|ethereum|ripple|dogecoin)?:\?r=/, '')
+      data.replace(
+        /(bitcoin|bitcoincash|ethereum|ripple|dogecoin|litecoin)?:\?r=/,
+        ''
+      )
     );
   }
 
diff --git a/src/providers/simplex/simplex.ts b/src/providers/simplex/simplex.ts
index e916b48c9e..67629601ba 100644
--- a/src/providers/simplex/simplex.ts
+++ b/src/providers/simplex/simplex.ts
@@ -101,7 +101,8 @@ export class SimplexProvider {
       'busd',
       'doge',
       'dai',
-      'usdc'
+      'usdc',
+      'ltc'
     ];
     this.fiatAmountLimits = {
       min: 50,
diff --git a/src/theme/lists.scss b/src/theme/lists.scss
index f33e1e6dd7..2827d2d89e 100644
--- a/src/theme/lists.scss
+++ b/src/theme/lists.scss
@@ -97,6 +97,9 @@
         &_doge {
           background-color: #d8c172;
         }
+        &_ltc {
+          background-color: #2962ff;
+        }
       }
     }
   }