reworked to optionally use Hardhat in mock; chain id 31337; refactored TransactionJob management; execute() mostly commented out for minimalism

src/components/TokenChoice.vue

@@ -87,17 +87,11 @@ const s = useStore()
 
 async function addExtraToken(addr) {
   const prom = new Promise((resolve)=>{
-    socket.emit('lookupToken', s.chainId, addr, (info) => {
+    const chainId = s.chainId
+    socket.emit('lookupToken', chainId, addr, (info) => {
       if( info === null )
         return resolve(null)
-      s.$patch((state)=>{
-        let extras = state.extraTokens[state.chainId]
-        if( extras === undefined ) {
-          extras = {}
-          state.extraTokens[state.chainId] = extras
-        }
-        extras[info.address] = info
-      })
+      s.addToken(chainId, info)
       resolve(info)
     })
   })