Draft collateral swap script

package.json

@@ -17,7 +17,7 @@
     "typescript": "^5.7.3"
   },
   "dependencies": {
-    "@cowprotocol/cow-sdk": "6.0.0-RC.42",
+    "@cowprotocol/cow-sdk": "6.0.0-RC.47",
     "@cowprotocol/app-data": "3.0.0-rc.1",
     "@cowprotocol/contracts": "^1.7.0",
     "axios": "^1.7.9",

src/index.ts

@@ -35,13 +35,15 @@ import { run as getTradingQuote } from "./scripts/trading/getQuote";
 import { run as getAcrossBridgingId } from "./scripts/bridging/getAcrossBridgingId";
 import { run as getEthFlowId } from "./scripts/ethflow/getEthFlowId";
 import { run as minimalAppData } from "./scripts/app-data/minimalAppData";
+import { run as collateralSwapAave } from "./scripts/flash-loans/collateralSwapAave";
 
 dotenv.config();
 
 // Just to dev things easily using watch-mode  :)
 const JOBS: (() => Promise<unknown>)[] = [
   // approveTokenSepolia, // Required to approve the token before trading
   // getQuoteAndPostOrder, // Simplest way to integrate!
+  // getQuoteAndPostOrderNative,
   //
   // swapWithPk,
   // swapSell,
@@ -64,7 +66,7 @@ const JOBS: (() => Promise<unknown>)[] = [
   // nativeSell, // FIXME: Throws error creating the eth flow order. Doesn't recognize 'gas' property - I believe expects 'gasLimit')
   //
   // approveTokenMainnet,
-  getQuoteAndPostOrderMainnet,
+  // getQuoteAndPostOrderMainnet,
   // swapAndBridgeUsingOmnibridge,
   // swapAndBridgeUsingXdaiBridge,
   //
@@ -83,6 +85,7 @@ const JOBS: (() => Promise<unknown>)[] = [
   // getAcrossBridgingId,
   // getEthFlowId,
   // minimalAppData,
+  collateralSwapAave,
 ];
 
 async function main() {

src/scripts/bridging/swapAndBridgeSdk.ts

@@ -122,7 +122,7 @@ export async function run() {
   }
 
   // Post the order
-  const orderId = await quote.postSwapOrderFromQuote();
+  const { orderId } = await quote.postSwapOrderFromQuote();
 
   // Print the order creation
   console.log(

src/scripts/flash-loans/abi/OrderHelperAbi.ts

@@ -0,0 +1,156 @@
+export const orderHelperAbi = [
+  {
+    type: "function",
+    name: "AAVE_LENDING_POOL",
+    inputs: [],
+    outputs: [{ name: "", type: "address", internalType: "address" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "SETTLEMENT",
+    inputs: [],
+    outputs: [{ name: "", type: "address", internalType: "address" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "appData",
+    inputs: [],
+    outputs: [{ name: "", type: "bytes32", internalType: "bytes32" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "borrower",
+    inputs: [],
+    outputs: [{ name: "", type: "address", internalType: "address" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "initialize",
+    inputs: [
+      { name: "_owner", type: "address", internalType: "address" },
+      { name: "_borrower", type: "address", internalType: "address" },
+      {
+        name: "_oldCollateral",
+        type: "address",
+        internalType: "address",
+      },
+      {
+        name: "_oldCollateralAmount",
+        type: "uint256",
+        internalType: "uint256",
+      },
+      {
+        name: "_newCollateral",
+        type: "address",
+        internalType: "address",
+      },
+      {
+        name: "_minSupplyAmount",
+        type: "uint256",
+        internalType: "uint256",
+      },
+      { name: "_validTo", type: "uint32", internalType: "uint32" },
+      { name: "_appData", type: "bytes32", internalType: "bytes32" },
+    ],
+    outputs: [],
+    stateMutability: "nonpayable",
+  },
+  {
+    type: "function",
+    name: "isValidSignature",
+    inputs: [
+      { name: "_orderHash", type: "bytes32", internalType: "bytes32" },
+      { name: "_signature", type: "bytes", internalType: "bytes" },
+    ],
+    outputs: [{ name: "", type: "bytes4", internalType: "bytes4" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "minSupplyAmount",
+    inputs: [],
+    outputs: [{ name: "", type: "uint256", internalType: "uint256" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "newCollateral",
+    inputs: [],
+    outputs: [{ name: "", type: "address", internalType: "contract IERC20" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "oldCollateral",
+    inputs: [],
+    outputs: [{ name: "", type: "address", internalType: "contract IERC20" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "oldCollateralAmount",
+    inputs: [],
+    outputs: [{ name: "", type: "uint256", internalType: "uint256" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "owner",
+    inputs: [],
+    outputs: [{ name: "", type: "address", internalType: "address" }],
+    stateMutability: "view",
+  },
+  {
+    type: "function",
+    name: "swapCollateral",
+    inputs: [],
+    outputs: [],
+    stateMutability: "nonpayable",
+  },
+  {
+    type: "function",
+    name: "validTo",
+    inputs: [],
+    outputs: [{ name: "", type: "uint32", internalType: "uint32" }],
+    stateMutability: "view",
+  },
+  {
+    type: "event",
+    name: "Initialized",
+    inputs: [
+      {
+        name: "version",
+        type: "uint64",
+        indexed: false,
+        internalType: "uint64",
+      },
+    ],
+    anonymous: false,
+  },
+  { type: "error", name: "AppDataDoesNotMatch", inputs: [] },
+  { type: "error", name: "BadBuyToken", inputs: [] },
+  { type: "error", name: "BadParameters", inputs: [] },
+  { type: "error", name: "BadReceiver", inputs: [] },
+  { type: "error", name: "BadSellAmount", inputs: [] },
+  { type: "error", name: "BadSellToken", inputs: [] },
+  { type: "error", name: "FeeIsNotZero", inputs: [] },
+  { type: "error", name: "InvalidInitialization", inputs: [] },
+  { type: "error", name: "NoPartiallyFillable", inputs: [] },
+  { type: "error", name: "NotEnoughBuyAmount", inputs: [] },
+  { type: "error", name: "NotEnoughSupplyAmount", inputs: [] },
+  { type: "error", name: "NotInitializing", inputs: [] },
+  { type: "error", name: "NotLongerValid", inputs: [] },
+  { type: "error", name: "NotSellOrder", inputs: [] },
+  { type: "error", name: "OnlyBalanceERC20", inputs: [] },
+  { type: "error", name: "OrderDoesNotMatchMessageHash", inputs: [] },
+  {
+    type: "error",
+    name: "SafeERC20FailedOperation",
+    inputs: [{ name: "token", type: "address", internalType: "address" }],
+  },
+  { type: "error", name: "WrongValidTo", inputs: [] },
+];

src/scripts/flash-loans/abi/OrderHelperFactoryAbi.ts

@@ -0,0 +1,112 @@
+export const orderHelperFactoryAbi = [
+  {
+    type: "constructor",
+    inputs: [
+      {
+        name: "_helperImplementation",
+        type: "address",
+        internalType: "address",
+      },
+    ],
+    stateMutability: "nonpayable",
+  },
+  {
+    type: "function",
+    name: "deployOrderHelper",
+    inputs: [
+      { name: "_owner", type: "address", internalType: "address" },
+      { name: "_borrower", type: "address", internalType: "address" },
+      {
+        name: "_oldCollateral",
+        type: "address",
+        internalType: "address",
+      },
+      {
+        name: "_oldCollateralAmount",
+        type: "uint256",
+        internalType: "uint256",
+      },
+      {
+        name: "_newCollateral",
+        type: "address",
+        internalType: "address",
+      },
+      {
+        name: "_minSupplyAmount",
+        type: "uint256",
+        internalType: "uint256",
+      },
+      { name: "_validTo", type: "uint32", internalType: "uint32" },
+    ],
+    outputs: [
+      {
+        name: "orderHelperAddress",
+        type: "address",
+        internalType: "address",
+      },
+    ],
+    stateMutability: "nonpayable",
+  },
+  {
+    type: "function",
+    name: "getOrderHelperAddress",
+    inputs: [
+      { name: "_owner", type: "address", internalType: "address" },
+      { name: "_borrower", type: "address", internalType: "address" },
+      {
+        name: "_oldCollateral",
+        type: "address",
+        internalType: "address",
+      },
+      {
+        name: "_oldCollateralAmount",
+        type: "uint256",
+        internalType: "uint256",
+      },
+      {
+        name: "_newCollateral",
+        type: "address",
+        internalType: "address",
+      },
+      {
+        name: "_minSupplyAmount",
+        type: "uint256",
+        internalType: "uint256",
+      },
+      { name: "_validTo", type: "uint32", internalType: "uint32" },
+    ],
+    outputs: [
+      {
+        name: "orderHelperAddress",
+        type: "address",
+        internalType: "address",
+      },
+    ],
+    stateMutability: "view",
+  },
+  {
+    type: "event",
+    name: "NewOrderHelper",
+    inputs: [
+      {
+        name: "helper",
+        type: "address",
+        indexed: true,
+        internalType: "address",
+      },
+    ],
+    anonymous: false,
+  },
+  { type: "error", name: "ContractAlreadyDeployed", inputs: [] },
+  { type: "error", name: "FailedDeployment", inputs: [] },
+  {
+    type: "error",
+    name: "InsufficientBalance",
+    inputs: [
+      { name: "balance", type: "uint256", internalType: "uint256" },
+      { name: "needed", type: "uint256", internalType: "uint256" },
+    ],
+  },
+  { type: "error", name: "InvalidImplementationContract", inputs: [] },
+  { type: "error", name: "OrderHelperDeploymentFailed", inputs: [] },
+] as const;