Merge f2377cb into a2ca63d

.gitignore

@@ -5,6 +5,8 @@
 /electron/node_modules
 /electron/ui/node_modules
 /electron/ui/build
+/src/coin-icons.scss
+/public/coin-icons.png
 /.pnp
 .pnp.js
 

check-coin-explorers-availability.js

@@ -0,0 +1,57 @@
+const fetch = require('node-fetch');
+const coins = require('./src/lib/coins');
+
+let coinsToRemove = [];
+
+(async () => {
+  const getInfo = async explorerUrl => {
+    try {
+      const response = await fetch(`${explorerUrl}/status?q=getInfo`);
+      const isJson = response.headers.get('Content-Type').includes('application/json');
+
+      const body = isJson ? await response.json() : await response.text();
+
+      if (!response.ok) {
+        throw new Error(body);
+      }
+
+      return body;
+    } catch (e) {
+      return null;
+    }
+  };
+
+  const checkApiEndpoints = async coin => {
+    const getInfoRes = await Promise.all(coins[coin].api.map((value, index) => {
+      return getInfo(value);
+    }));
+    let longestBlockHeight = 0;
+    let apiEndPointIndex = null;
+
+    console.log('checkExplorerEndpoints', getInfoRes);
+
+    for (let i = 0; i < coins[coin].api.length; i++) {
+      if (getInfoRes[i] &&
+          'info' in getInfoRes[i] &&
+          'version' in getInfoRes[i].info) {
+        if (getInfoRes[i].info.blocks > longestBlockHeight) {
+          longestBlockHeight = getInfoRes[i].info.blocks;
+          apiEndPointIndex = i;
+        }
+      }
+    }
+
+    console.log('apiEndPointIndex', apiEndPointIndex);
+
+    return apiEndPointIndex !== null ? coins[coin].api[apiEndPointIndex] : null;
+  };
+
+  for (let coin in coins) {
+    const explorerUrl = await checkApiEndpoints(coin);
+    if (!explorerUrl) coinsToRemove.push(coin)
+    console.log(`${coin} explorer url`, explorerUrl);
+  }
+
+  console.log('all done!');
+  console.log('coins to remove', coinsToRemove);
+})();