bugfix: vault creation loop

src/blockchain/abi.js

@@ -80,6 +80,7 @@ const SwapOrder = `(
 )`
 
 export const vaultAbi = [
+    'function version() view returns (uint8)',
     'function withdraw(uint256 amount)',
     'function withdrawTo(address payable recipient, uint256 amount)',
     'function withdraw(address token, uint256 amount)',

src/blockchain/wallet.js

@@ -3,6 +3,7 @@ import {useStore} from "@/store/store";
 import {socket} from "@/socket.js";
 import {contractOrNull, vaultAddress} from "@/blockchain/contract.js";
 import {vaultAbi} from "@/blockchain/abi.js";
+import {SingletonCoroutine, sleep} from "@/misc.js";
 
 
 export function onChainChanged(chainId) {
@@ -118,12 +119,13 @@ async function _discoverVaults(owner) {
   // todo multi-vault scan
   const num = 0
   const addr = vaultAddress(owner, num)
+  console.log(`vault ${num} at`, addr)
   const s = useStore()
   const vault = new ethers.Contract(addr, vaultAbi, s.provider)
   let version = -1
   try {
     version = await vault.version();
-    if( version === 1 ) {
+    if( Number(version) === 1 ) {
       console.log(`found vault ${num} at ${addr}`)
       result.push(addr)
     }
@@ -131,7 +133,7 @@ async function _discoverVaults(owner) {
       console.error(`bad vault version ${version}`)
   }
   catch (e) {
-    console.log(`no vault ${num}`)
+    console.log(`no vault ${num}`, e)
   }
   return result
 }
@@ -157,9 +159,16 @@ export function ensureVault2(chainId, owner, num) {
     console.log('cannot create vault: no account logged in')
     return
   }
-  socket.emit('ensureVault', chainId, owner, num)
+  ensureVaultRoutine.invoke(chainId, owner, num)
 }
 
+async function doEnsureVault(chainId, owner, num) {
+  socket.emit('ensureVault', chainId, owner, num)
+  await sleep()
+}
+
+const ensureVaultRoutine = new SingletonCoroutine(doEnsureVault, 100, false)
+
 
 export async function pendOrder(order) {
   console.log('order', JSON.stringify(order))

src/misc.js

@@ -124,3 +124,5 @@ export function pairPrice(baseToken, quoteToken, price, decimals=null) {
     return price
 }
 
+export const sleep = ms => new Promise(r => setTimeout(r, ms))
+