feat: added mock usdc and updated exchange contract

Author: dannweeeee

abis/ExchangeAbiV1.json

@@ -10,6 +10,11 @@
                 "internalType": "address",
                 "name": "_usdcAddress",
                 "type": "address"
+            },
+            {
+                "internalType": "address",
+                "name": "_vaultAddress",
+                "type": "address"
             }
         ],
         "stateMutability": "nonpayable",
@@ -89,6 +94,43 @@
         "name": "Transfer",
         "type": "event"
     },
+    {
+        "anonymous": false,
+        "inputs": [
+            {
+                "indexed": true,
+                "internalType": "address",
+                "name": "from",
+                "type": "address"
+            },
+            {
+                "indexed": true,
+                "internalType": "address",
+                "name": "to",
+                "type": "address"
+            },
+            {
+                "indexed": false,
+                "internalType": "uint256",
+                "name": "amount",
+                "type": "uint256"
+            },
+            {
+                "indexed": false,
+                "internalType": "uint256",
+                "name": "shares",
+                "type": "uint256"
+            },
+            {
+                "indexed": false,
+                "internalType": "string",
+                "name": "uen",
+                "type": "string"
+            }
+        ],
+        "name": "VaultDeposit",
+        "type": "event"
+    },
     {
         "inputs": [
             {
@@ -127,6 +169,25 @@
         "stateMutability": "view",
         "type": "function"
     },
+    {
+        "inputs": [
+            {
+                "internalType": "address",
+                "name": "_account",
+                "type": "address"
+            }
+        ],
+        "name": "getVaultBalance",
+        "outputs": [
+            {
+                "internalType": "uint256",
+                "name": "",
+                "type": "uint256"
+            }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+    },
     {
         "inputs": [],
         "name": "registry",
@@ -158,6 +219,24 @@
         "stateMutability": "nonpayable",
         "type": "function"
     },
+    {
+        "inputs": [
+            {
+                "internalType": "string",
+                "name": "_uen",
+                "type": "string"
+            },
+            {
+                "internalType": "uint256",
+                "name": "_amount",
+                "type": "uint256"
+            }
+        ],
+        "name": "transferToVault",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+    },
     {
         "inputs": [],
         "name": "usdcToken",
@@ -170,5 +249,18 @@
         ],
         "stateMutability": "view",
         "type": "function"
+    },
+    {
+        "inputs": [],
+        "name": "vault",
+        "outputs": [
+            {
+                "internalType": "contract IERC4626",
+                "name": "",
+                "type": "address"
+            }
+        ],
+        "stateMutability": "view",
+        "type": "function"
     }
 ]