order placement doesnt crash

vault.js

@@ -24,22 +24,28 @@ export function vaultAddress(chainId, owner, num=0) {
 export async function loginAddress(socket, chainId, address) {
     if( socket.user_room !== undefined)
         socket.leave(socket.user_room)
-    socket.user_room = `${chainId}|${address}`
-    socket.join(socket.user_room)
-    const found = []
-    for( let num = 0; ; num++ ) {
-        const vault = vaultAddress(chainId, address, num)
-        if(await vaults.contains(chainId, vault))
-            found.push(vault)
-        else
-            break
+    if( address === undefined ) {
+        socket.emit('vaults', [])
+    }
+    else {
+        socket.user_room = `${chainId}|${address}`
+        socket.join(socket.user_room)
+        const found = []
+        for( let num = 0; ; num++ ) {
+            const vault = vaultAddress(chainId, address, num)
+            if(await vaults.contains(chainId, vault))
+                found.push(vault)
+            else
+                break
+        }
+        socket.emit('vaults', found)
     }
-    socket.emit('vaults', found)
 }
 
 
 export async function ensureVault(socket, chainId, owner, num) {
     const address = vaultAddress(chainId, owner, num)
+    console.log('ensureVault', chainId, owner, num, address)
     if (!await vaults.contains(chainId,address)) {
         try {
             await createVault(chainId, owner, num)
@@ -53,6 +59,7 @@ export async function ensureVault(socket, chainId, owner, num) {
 
 
 async function createVault(chainId, owner, num) {
+    console.log('createVault', chainId, owner, )
     const signer = getSigner(chainId);
     const deployer = new ethers.Contract(chainInfo[chainId].factory, factoryAbi, signer)
     try {
@@ -64,7 +71,7 @@ async function createVault(chainId, owner, num) {
         const vault = new ethers.Contract(addr, vaultAbi, getProvider(chainId))
         try {
             const ver = await vault.version()
-            // console.log(`vault already deployed at ${addr} with version ${ver}`)
+            console.log(`vault already deployed at ${addr} with version ${ver}`)
         }
         catch (e2) {
             console.error('could not deploy vault:',e)