change WUSD payment to USDC

abis/YTVault.json

@@ -1,4 +1,9 @@
 [
+  {
+    "inputs": [],
+    "stateMutability": "nonpayable",
+    "type": "constructor"
+  },
   {
     "inputs": [
       {
@@ -207,6 +212,25 @@
     "name": "EmergencyModeSet",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "oldGov",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "newGov",
+        "type": "address"
+      }
+    ],
+    "name": "GovChanged",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -220,6 +244,25 @@
     "name": "Initialized",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "oldManager",
+        "type": "address"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "newManager",
+        "type": "address"
+      }
+    ],
+    "name": "PoolManagerChanged",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [