diff --git a/backend/src/models/subSchedule.js b/backend/src/models/subSchedule.js
index 054fc28e..b3787706 100644
--- a/backend/src/models/subSchedule.js
+++ b/backend/src/models/subSchedule.js
@@ -27,8 +27,7 @@ const SubSchedule = sequelize.define('SubSchedule', {
     allowNull: false,
   },
   cliff_duration: {
-    type: DataTypes.INTEGER,
-    allowNull: true,
+
   },
   cliff_date: {
     type: DataTypes.DATE,
diff --git a/backend/src/services/vestingService.js b/backend/src/services/vestingService.js
index 095f517a..ffea5c7f 100644
--- a/backend/src/services/vestingService.js
+++ b/backend/src/services/vestingService.js
@@ -1,15 +1,3 @@
-class VestingService {
-
-  async exampleFunction() {
-    try {
-      return {
-        success: true,
-        message: "Vesting service is working"
-      };
-    } catch (error) {
-      throw error;
-    }
-  }
 
 }
 
diff --git a/backend/test-projection-mock.js b/backend/test-projection-mock.js
new file mode 100644
index 00000000..acfe26d3
--- /dev/null
+++ b/backend/test-projection-mock.js
@@ -0,0 +1,43 @@
+const { Vault } = require('./src/models');
+const vestingService = require('./src/services/vestingService');
+
+console.log('Vault:', Vault);
+
+// Mock Vault.findOne
+Vault.findOne = async (options) => {
+  console.log('Mock Vault.findOne called with:', options);
+  return {
+    id: 'mock-vault-id',
+    subSchedules: [
+      {
+        top_up_amount: '500',
+        top_up_timestamp: new Date('2024-01-01T00:00:00Z'),
+        cliff_date: new Date('2024-01-02T00:00:00Z'), // 1 day cliff
+        vesting_start_date: new Date('2024-01-02T00:00:00Z'),
+        vesting_duration: 86400 * 10, // 10 days
+        created_at: new Date('2024-01-01T00:00:00Z')
+      },
+      {
+        top_up_amount: '500',
+        top_up_timestamp: new Date('2024-01-01T00:00:00Z'),
+        cliff_date: null,
+        vesting_start_date: new Date('2024-01-01T00:00:00Z'),
+        vesting_duration: 86400 * 5, // 5 days
+        created_at: new Date('2024-01-01T00:00:00Z')
+      }
+    ]
+  };
+};
+
+async function test() {
+  console.log('Starting test...');
+  try {
+    const projection = await vestingService.getVaultProjection('mock-vault-id');
+    console.log('Projection Result:');
+    console.log(JSON.stringify(projection, null, 2));
+  } catch (err) {
+    console.error('Test Error:', err);
+  }
+}
+
+test();
diff --git a/backend/test-projection.js b/backend/test-projection.js
new file mode 100644
index 00000000..af70ffcc
--- /dev/null
+++ b/backend/test-projection.js
@@ -0,0 +1,61 @@
+const { sequelize } = require('./src/database/connection');
+const { Vault, SubSchedule } = require('./src/models');
+const vestingService = require('./src/services/vestingService');
+
+async function testProjection() {
+  try {
+    await sequelize.authenticate();
+    console.log('Database connected');
+
+    // 1. Create a dummy vault
+    const vault = await Vault.create({
+      vault_address: '0x' + Math.random().toString(16).slice(2),
+      token_address: '0x' + Math.random().toString(16).slice(2),
+      owner_address: '0x' + Math.random().toString(16).slice(2),
+      total_amount: 1000,
+      name: 'Test Projection Vault'
+    });
+    console.log('Created Vault:', vault.id);
+
+    // 2. Create sub-schedules
+    const now = new Date();
+    const startDate = new Date(now.getTime());
+    
+    // Schedule 1: 500 tokens, 1 day cliff, 10 days vesting
+    await SubSchedule.create({
+      vault_id: vault.id,
+      top_up_amount: 500,
+      top_up_timestamp: startDate,
+      cliff_date: new Date(startDate.getTime() + 86400 * 1000), // 1 day
+      vesting_start_date: new Date(startDate.getTime() + 86400 * 1000),
+      vesting_duration: 86400 * 10, // 10 days
+      created_at: startDate
+    });
+
+    // Schedule 2: 500 tokens, no cliff, 5 days vesting
+    await SubSchedule.create({
+      vault_id: vault.id,
+      top_up_amount: 500,
+      top_up_timestamp: startDate,
+      vesting_start_date: startDate,
+      vesting_duration: 86400 * 5, // 5 days
+      created_at: startDate
+    });
+
+    // 3. Get Projection
+    console.log('Fetching projection...');
+    const projection = await vestingService.getVaultProjection(vault.id);
+    console.log('Projection Result:', JSON.stringify(projection, null, 2));
+
+    // Cleanup
+    await SubSchedule.destroy({ where: { vault_id: vault.id } });
+    await Vault.destroy({ where: { id: vault.id } });
+
+  } catch (error) {
+    console.error('Test Failed:', error);
+  } finally {
+    await sequelize.close();
+  }
+}
+
+testProjection();