bump polkadot-js/api v4.17.1 & add XCM support & fix webview double load issue

Author: RomeroYang

CHANGELOG.md

@@ -1,3 +1,10 @@
+## [0.2.4] - 20210706
+
+* fix DApp webView double-callback bug
+* add isXCMSupport flag
+* add DOT/KSM staking minNominatorBond
+* bump polkadot-js/api v4.17.1
+
 ## [0.2.3] - 20210628
 
 * add crowdLoan api

example/pubspec.lock

@@ -372,7 +372,7 @@ packages:
       name: webview_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.7"
+    version: "2.0.9"
   win32:
     dependency: transitive
     description:
@@ -389,4 +389,4 @@ packages:
     version: "0.2.0"
 sdks:
   dart: ">=2.13.0 <3.0.0"
-  flutter: ">=1.22.2"
+  flutter: ">=2.0.0"

js_api/dist/main.js

@@ -24,10 +24,10 @@
     "build-dev": "webpack -d --mode development"
   },
   "resolutions": {
-    "@polkadot/api": "^4.16.2"
+    "@polkadot/api": "^4.17.1"
   },
   "dependencies": {
-    "@polkadot/api": "^4.16.2",
+    "@polkadot/api": "^4.17.1",
     "@polkadot/ui-shared": "0.82.1",
     "@polkadot/extension-dapp": "^0.38.7",
     "@walletconnect/client": "2.0.0-alpha.26",

js_api/package.json

@@ -183,7 +183,7 @@ async function _queryAuctionInfo(api: ApiPromise) {
       leaseEnd: auctionInfo.leasePeriod.add(api.consts.auctions.leasePeriodsPerSlot as u32).isub(BN_ONE).toNumber()
     },
     funds,
-    winners: _mergeCrowdLoanBids(winningData[0].winners, loans),
+    winners: _mergeCrowdLoanBids(winningData[0]?.winners || [], loans),
   };
 }
 

js_api/src/service/parachain.ts

@@ -555,12 +555,13 @@ async function querySortedTargets(api: ApiPromise) {
   api.derive.staking.electedInfo({withExposure: true, withPrefs: true}),
   api.derive.staking.waitingInfo({withPrefs: true}),
   api.derive.session.info(),
+  api.query.staking.minNominatorBond(),
  ]);
 
  const partial = data[1] && data[2] && data[3] && data[4]
  ? _extractTargetsInfo(api, data[2], data[3], data[1], _transfromEra(data[4]), data[0])
  : {};
- return { inflation: { inflation: 0, stakedReturn: 0 }, medianComm: 0, ...partial };
+ return { inflation: { inflation: 0, stakedReturn: 0 }, medianComm: 0, ...partial, minNominatorBond: data[5] };
 }
 
 async function _getOwnStash(api: ApiPromise, accountId: string): Promise<[string, boolean]> {