user logout in the vault changed to queuing mechanism, and add function of batch sending WUSD

abis/ILending.json

@@ -19,6 +19,16 @@
     "name": "InsufficientReserves",
     "type": "error"
   },
+  {
+    "inputs": [],
+    "name": "InvalidBorrowCollateralFactor",
+    "type": "error"
+  },
+  {
+    "inputs": [],
+    "name": "InvalidLiquidateCollateralFactor",
+    "type": "error"
+  },
   {
     "inputs": [],
     "name": "InvalidLiquidationFactor",

abis/Lending.json

@@ -66,11 +66,21 @@
     "name": "InsufficientReserves",
     "type": "error"
   },
+  {
+    "inputs": [],
+    "name": "InvalidBorrowCollateralFactor",
+    "type": "error"
+  },
   {
     "inputs": [],
     "name": "InvalidInitialization",
     "type": "error"
   },
+  {
+    "inputs": [],
+    "name": "InvalidLiquidateCollateralFactor",
+    "type": "error"
+  },
   {
     "inputs": [],
     "name": "InvalidLiquidationFactor",

abis/YTAssetVault.json

@@ -152,6 +152,11 @@
     "name": "InvalidAmount",
     "type": "error"
   },
+  {
+    "inputs": [],
+    "name": "InvalidBatchSize",
+    "type": "error"
+  },
   {
     "inputs": [],
     "name": "InvalidHardCap",
@@ -177,6 +182,16 @@
     "name": "ReentrancyGuardReentrantCall",
     "type": "error"
   },
+  {
+    "inputs": [],
+    "name": "RequestAlreadyProcessed",
+    "type": "error"
+  },
+  {
+    "inputs": [],
+    "name": "RequestNotFound",
+    "type": "error"
+  },
   {
     "inputs": [
       {
@@ -266,6 +281,37 @@
     "name": "AssetsWithdrawn",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "startIndex",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "endIndex",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "processedCount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "totalWusdDistributed",
+        "type": "uint256"
+      }
+    ],
+    "name": "BatchProcessed",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -457,6 +503,68 @@
     "name": "Upgraded",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint256",
+        "name": "requestId",
+        "type": "uint256"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "user",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "ytAmount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "wusdAmount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "queueIndex",
+        "type": "uint256"
+      }
+    ],
+    "name": "WithdrawRequestCreated",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "uint256",
+        "name": "requestId",
+        "type": "uint256"
+      },
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "user",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "wusdAmount",
+        "type": "uint256"
+      }
+    ],
+    "name": "WithdrawRequestProcessed",
+    "type": "event"
+  },
   {
     "inputs": [],
     "name": "PRICE_PRECISION",
@@ -621,6 +729,93 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [],
+    "name": "getPendingRequestsCount",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "getQueueProgress",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "currentIndex",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "totalRequests",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "pendingRequests",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_requestId",
+        "type": "uint256"
+      }
+    ],
+    "name": "getRequestDetails",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "address",
+            "name": "user",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "ytAmount",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "wusdAmount",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "requestTime",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "queueIndex",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bool",
+            "name": "processed",
+            "type": "bool"
+          }
+        ],
+        "internalType": "struct YTAssetVault.WithdrawRequest",
+        "name": "request",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [],
     "name": "getTimeUntilNextRedemption",
@@ -634,6 +829,76 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "_user",
+        "type": "address"
+      }
+    ],
+    "name": "getUserPendingRequests",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "address",
+            "name": "user",
+            "type": "address"
+          },
+          {
+            "internalType": "uint256",
+            "name": "ytAmount",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "wusdAmount",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "requestTime",
+            "type": "uint256"
+          },
+          {
+            "internalType": "uint256",
+            "name": "queueIndex",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bool",
+            "name": "processed",
+            "type": "bool"
+          }
+        ],
+        "internalType": "struct YTAssetVault.WithdrawRequest[]",
+        "name": "pendingRequests",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "_user",
+        "type": "address"
+      }
+    ],
+    "name": "getUserRequestIds",
+    "outputs": [
+      {
+        "internalType": "uint256[]",
+        "name": "",
+        "type": "uint256[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [],
     "name": "getVaultInfo",
@@ -828,6 +1093,19 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [],
+    "name": "pendingRequestsCount",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -866,6 +1144,43 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_batchSize",
+        "type": "uint256"
+      }
+    ],
+    "name": "processBatchWithdrawals",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "processedCount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "totalDistributed",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "processedUpToIndex",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [],
     "name": "proxiableUUID",
@@ -879,6 +1194,19 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "inputs": [],
+    "name": "requestIdCounter",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -1071,6 +1399,50 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "withdrawRequests",
+    "outputs": [
+      {
+        "internalType": "address",
+        "name": "user",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "ytAmount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "wusdAmount",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "requestTime",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "queueIndex",
+        "type": "uint256"
+      },
+      {
+        "internalType": "bool",
+        "name": "processed",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -1083,7 +1455,7 @@
     "outputs": [
       {
         "internalType": "uint256",
-        "name": "wusdAmount",
+        "name": "requestId",
         "type": "uint256"
       }
     ],