REF: INR rate source

ios/BlueWallet.xcodeproj/xcshareddata/xcschemes/BlueWallet.xcscheme

@@ -69,6 +69,13 @@
             ReferencedContainer = "container:BlueWallet.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "_XCWidgetKind"
+            value = "PriceWidget"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

ios/Widgets/Shared/WidgetAPI.swift

@@ -33,6 +33,8 @@ class WidgetAPI {
       urlString = "https://bitcoinduliban.org/api.php?key=lbpusd"
     case "Exir":
       urlString = "https://api.exir.io/v1/ticker?symbol=btc-irt"
+    case "wazirx":
+      urlString = "https://api.wazirx.com/api/v2/tickers/btcinr"
     default:
       urlString = "https://api.coindesk.com/v1/bpi/currentprice/\(endPointKey).json"
     }
@@ -69,6 +71,13 @@ class WidgetAPI {
         let rateString = String(rateDouble)
         let lastUpdatedString = ISO8601DateFormatter().string(from: Date())
         latestRateDataStore = WidgetDataStore(rate: rateString, lastUpdate: lastUpdatedString, rateDouble: rateDouble)
+      case "wazirx":
+        guard let tickerDict = json["ticker"] as? [String: Any],
+              let rateString = tickerDict["buy"] as? String,
+              let rateDouble = Double(rateString)
+        else { break }
+        let lastUpdatedString = ISO8601DateFormatter().string(from: Date())
+        latestRateDataStore = WidgetDataStore(rate: rateString, lastUpdate: lastUpdatedString, rateDouble: rateDouble)
       default:
         guard let bpi = json["bpi"] as? Dictionary<String, Any>,
               let preferredCurrency = bpi[endPointKey] as? Dictionary<String, Any>,

models/fiatUnit.ts

@@ -5,6 +5,7 @@ export const FiatUnitSource = {
   Yadio: 'Yadio',
   BitcoinduLiban: 'BitcoinduLiban',
   Exir: 'Exir',
+  wazirx: 'wazirx',
 } as const;
 
 const RateExtractors = {
@@ -71,14 +72,30 @@ const RateExtractors = {
     if (!(rate >= 0)) throw new Error(`Could not update rate for ${ticker}: data is wrong`);
     return rate;
   },
+
+  wazirx: async (ticker: string): Promise<number> => {
+    let json;
+    try {
+      const res = await fetch(`https://api.wazirx.com/api/v2/tickers/btcinr`);
+      json = await res.json();
+    } catch (e) {
+      throw new Error(`Could not update rate for ${ticker}: ${e.message}`);
+    }
+    let rate = json?.ticker?.buy; // eslint-disable-line
+    if (!rate) throw new Error(`Could not update rate for ${ticker}: data is wrong`);
+
+    rate = Number(rate);
+    if (!(rate >= 0)) throw new Error(`Could not update rate for ${ticker}: data is wrong`);
+    return rate;
+  },
 } as const;
 
 type FiatUnit = {
   [key: string]: {
     endPointKey: string;
     symbol: string;
     locale: string;
-    source: 'CoinDesk' | 'Yadio' | 'Exir' | 'BitcoinduLiban';
+    source: 'CoinDesk' | 'Yadio' | 'Exir' | 'BitcoinduLiban' | 'wazirx';
   };
 };
 export const FiatUnit = untypedFiatUnit as FiatUnit;

models/fiatUnits.json

@@ -111,7 +111,7 @@
       "endPointKey": "INR",
       "symbol": "₹",
       "locale": "hi-HN",
-      "source": "CoinDesk"
+      "source": "wazirx"
     },
     "IRT": {
       "endPointKey": "IRT",