order placement works, including automatic vault creation

src/store/store.js

@@ -4,10 +4,12 @@ import {knownTokens} from "@/tokens.js";
 
 export const useStore = defineStore('app', {
   state: () => ({
-    chainInfo: null,
     chainId: null,
+    chainInfo: null,
+    vaultInitCodeHash: null,
     account: null,
-    vault: null,
+    vaults: [],
+    pendingOrders: [], // created but not yet sent to metamask. maybe waiting on vault creation.
     errors: [{
       title: 'DANGER!',
       text: 'This is early development (alpha) software, which could have severe bugs that lose all your money. Thank you for testing a SMALL amount!',