feat: use multiple charges balance endpoint (one call only)

lnbits/extensions/satspay/templates/satspay/index.html

@@ -296,6 +296,7 @@
         walletLinks: [],
         chargeLinks: [],
         onchainwallet: '',
+        rescanning: false,
         mempool: {
           endpoint: ''
         },
@@ -444,28 +445,30 @@
       },
       timerCount: function () {
         setInterval(async () => {
-          for (i = 0; i < this.chargeLinks.length - 1; i++) {
-            if (this.chargeLinks[i]['paid'] == 'True') {
-              setTimeout(async () => {
+          const activeLinkIds = this.chargeLinks
+            .filter(c => !c.paid && !c.time_elapsed)
+            .map(c => c.id)
+            .join(',')
           await LNbits.api.request(
             'GET',
-                  '/satspay/api/v1/charges/balance/' +
-                    this.chargeLinks[i]['id'],
+            '/satspay/api/v1/charges/balance/' + activeLinkIds,
             'filla'
           )
-              }, 2000)
-            }
-          }
           await this.getCharges()
         }, 20000)
       },
       rescanOnchainAddresses: async function () {
+        if (this.rescanning) return
+        this.rescanning = true
         const {
           bitcoin: {addresses: addressesAPI}
         } = mempoolJS()
 
-        const onchainCharges = this.chargeLinks.filter(c => c.onchainaddress)
-        for (const charge of onchainCharges) {
+        try {
+          const onchainActiveCharges = this.chargeLinks.filter(
+            c => c.onchainaddress && !c.paid && !c.time_elapsed
+          )
+          for (const charge of onchainActiveCharges) {
             const fn = async () =>
               addressesAPI.getAddressTxsUtxo({
                 address: charge.onchainaddress
@@ -474,6 +477,11 @@
             const utxos = await retryWithDelay(fn)
             charge.balance = utxos.reduce((t, u) => t + u.value, 0)
           }
+        } catch (error) {
+          console.error(error)
+        } finally {
+          this.rescanning = false
+        }
       },
       createCharge: async function (wallet, data) {
         try {
@@ -523,13 +531,12 @@
       }
     },
     created: async function () {
-      console.log(this.g.user)
       await this.getCharges()
       await this.getWalletLinks()
       await this.getWalletConfig()
       this.timerCount()
       await this.rescanOnchainAddresses()
-      setInterval(() => this.rescanOnchainAddresses(), 30 * 1000)
+      setInterval(() => this.rescanOnchainAddresses(), 10 * 1000)
     }
   })
 </script>