welcome dialog; order UI facelift

src/blockchain/wallet.js

@@ -619,3 +619,26 @@ export async function addNetwork(chainId) {
   });
 }
 
+export async function addNetworkAndConnectWallet(chainId) {
+    try {
+        await switchChain(chainId)
+    } catch (e) {
+        if (e.code === 4001) {
+            // explicit user rejection
+            return
+        } else if (e.code === 4902) {
+            try {
+                await addNetwork(chainId)
+            } catch (e) {
+                console.log(`Could not add network ${chainId}`)
+            }
+        } else
+            console.log('switchChain() failure', e)
+    }
+    try {
+        await connectWallet(chainId)
+    } catch (e) {
+        if (e.code !== 4001)
+            console.log('connectWallet() failed', e)
+    }
+}