Add test transaction endpoint and UI integration: implement API for simulating transactions with mock data, including commission and discount calculations. Enhance frontend to trigger test transactions and display results in a dialog, improving user experience and testing capabilities.

static/js/index.js

@@ -60,6 +60,7 @@ window.app = Vue.createApp({
       lastPollTime: null,
       testingConnection: false,
       runningManualPoll: false,
+      runningTestTransaction: false,
       lamassuConfig: null,
       
       // Config dialog
@@ -515,6 +516,57 @@ window.app = Vue.createApp({
         this.runningManualPoll = false
       }
     },
+    
+    async testTransaction() {
+      this.runningTestTransaction = true
+      try {
+        const {data} = await LNbits.api.request(
+          'POST',
+          '/myextension/api/v1/dca/test-transaction',
+          this.g.user.wallets[0].adminkey
+        )
+        
+        // Show detailed results in a dialog
+        const details = data.transaction_details
+        
+        let dialogContent = `<strong>Test Transaction Results</strong><br/><br/>`
+        dialogContent += `<strong>Transaction ID:</strong> ${details.transaction_id}<br/>`
+        dialogContent += `<strong>Total Amount:</strong> ${details.total_amount_sats} sats<br/>`
+        dialogContent += `<strong>Base Amount:</strong> ${details.base_amount_sats} sats<br/>`
+        dialogContent += `<strong>Commission:</strong> ${details.commission_amount_sats} sats (${details.commission_percentage}%)<br/>`
+        if (details.discount > 0) {
+          dialogContent += `<strong>Discount:</strong> ${details.discount}%<br/>`
+          dialogContent += `<strong>Effective Commission:</strong> ${details.effective_commission}%<br/>`
+        }
+        dialogContent += `<br/><strong>Check your wallets to see the distributions!</strong>`
+        
+        this.$q.dialog({
+          title: 'Test Transaction Completed',
+          message: dialogContent,
+          html: true,
+          ok: {
+            color: 'positive',
+            label: 'Great!'
+          }
+        })
+        
+        // Also show a brief notification
+        this.$q.notify({
+          type: 'positive',
+          message: `Test transaction processed: ${details.total_amount_sats} sats distributed`,
+          timeout: 5000
+        })
+        
+        // Refresh data
+        await this.getDeposits()
+        await this.getLamassuConfig()
+        
+      } catch (error) {
+        LNbits.utils.notifyApiError(error)
+      } finally {
+        this.runningTestTransaction = false
+      }
+    },
 
     // Legacy Methods (keep for backward compatibility)
     async closeFormDialog() {

templates/myextension/index.html

@@ -383,6 +383,16 @@
                 >
                   Manual Poll
                 </q-btn>
+                <q-btn 
+                  v-if="lamassuConfig && lamassuConfig.source_wallet_id"
+                  size="sm" 
+                  color="warning" 
+                  @click="testTransaction" 
+                  :loading="runningTestTransaction"
+                  class="q-ml-sm"
+                >
+                  Test Transaction
+                </q-btn>
               </div>
             </q-card-section>
           </q-expansion-item>

views_api.py

@@ -390,6 +390,66 @@ async def api_manual_poll(
         )
 
 
+@myextension_api_router.post("/api/v1/dca/test-transaction")
+async def api_test_transaction(
+    wallet: WalletTypeInfo = Depends(require_admin_key),
+    crypto_atoms: int = 103,
+    commission_percentage: float = 0.03,
+    discount: float = 0.0,
+) -> dict:
+    """Test transaction processing with simulated Lamassu transaction data"""
+    try:
+        from .transaction_processor import transaction_processor
+        import uuid
+        from datetime import datetime, timezone
+        
+        # Create a mock transaction that mimics Lamassu database structure
+        mock_transaction = {
+            "transaction_id": str(uuid.uuid4())[:8],  # Short ID for testing
+            "crypto_amount": crypto_atoms,  # Total sats including commission
+            "fiat_amount": 100,  # Mock fiat amount (100 centavos = 1 GTQ)
+            "commission_percentage": commission_percentage,  # Already as decimal
+            "discount": discount,
+            "transaction_time": datetime.now(timezone.utc),
+            "crypto_code": "BTC",
+            "fiat_code": "GTQ",
+            "device_id": "test_device",
+            "status": "confirmed"
+        }
+        
+        # Process the mock transaction through the complete DCA flow
+        await transaction_processor.process_transaction(mock_transaction)
+        
+        # Calculate commission for response
+        if commission_percentage > 0:
+            effective_commission = commission_percentage * (100 - discount) / 100
+            base_crypto_atoms = int(crypto_atoms / (1 + effective_commission))
+            commission_amount_sats = crypto_atoms - base_crypto_atoms
+        else:
+            base_crypto_atoms = crypto_atoms
+            commission_amount_sats = 0
+        
+        return {
+            "success": True,
+            "message": "Test transaction processed successfully",
+            "transaction_details": {
+                "transaction_id": mock_transaction["transaction_id"],
+                "total_amount_sats": crypto_atoms,
+                "base_amount_sats": base_crypto_atoms,
+                "commission_amount_sats": commission_amount_sats,
+                "commission_percentage": commission_percentage * 100,  # Show as percentage
+                "effective_commission": effective_commission * 100 if commission_percentage > 0 else 0,
+                "discount": discount
+            }
+        }
+            
+    except Exception as e:
+        raise HTTPException(
+            status_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+            detail=f"Error processing test transaction: {str(e)}"
+        )
+
+
 # Lamassu Configuration Endpoints
 
 @myextension_api_router.get("/api/v1/dca/config")